From 088108bb5ff60e364b5aa7fdaee87dc2635c490e Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Daniel=20Calvi=C3=B1o=20S=C3=A1nchez?= Date: Mon, 17 Jun 2019 23:44:25 +0200 Subject: Replace PDF.js v1.9.426 files with v2.0.943 files MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The example PDF ("compressed.tracemonkey-pldi-09.pdf") is not needed and thus was not included; "templates/viewer.php" acts as "viewer.html", so the later was not included either. On the other hand, source maps were kept so they could be used in case of need. Signed-off-by: Daniel Calviño Sánchez --- vendor/pdfjs/build/pdf.js | 30163 +++++--- vendor/pdfjs/build/pdf.js.map | 2 +- vendor/pdfjs/build/pdf.worker.js | 74205 ++++++++++--------- vendor/pdfjs/build/pdf.worker.js.map | 2 +- vendor/pdfjs/web/debugger.js | 17 +- .../secondaryToolbarButton-scrollHorizontal.png | Bin 0 -> 218 bytes .../secondaryToolbarButton-scrollHorizontal@2x.png | Bin 0 -> 332 bytes .../secondaryToolbarButton-scrollVertical.png | Bin 0 -> 228 bytes .../secondaryToolbarButton-scrollVertical@2x.png | Bin 0 -> 349 bytes .../secondaryToolbarButton-scrollWrapped.png | Bin 0 -> 297 bytes .../secondaryToolbarButton-scrollWrapped@2x.png | Bin 0 -> 490 bytes .../images/secondaryToolbarButton-spreadEven.png | Bin 0 -> 347 bytes .../secondaryToolbarButton-spreadEven@2x.png | Bin 0 -> 694 bytes .../images/secondaryToolbarButton-spreadNone.png | Bin 0 -> 179 bytes .../secondaryToolbarButton-spreadNone@2x.png | Bin 0 -> 261 bytes .../images/secondaryToolbarButton-spreadOdd.png | Bin 0 -> 344 bytes .../images/secondaryToolbarButton-spreadOdd@2x.png | Bin 0 -> 621 bytes vendor/pdfjs/web/locale/ach/viewer.properties | 28 + vendor/pdfjs/web/locale/an/viewer.properties | 4 + vendor/pdfjs/web/locale/ar/viewer.properties | 60 +- vendor/pdfjs/web/locale/ast/viewer.properties | 20 + vendor/pdfjs/web/locale/az/viewer.properties | 66 +- vendor/pdfjs/web/locale/be/viewer.properties | 58 + vendor/pdfjs/web/locale/bg/viewer.properties | 72 +- vendor/pdfjs/web/locale/bn-BD/viewer.properties | 52 +- vendor/pdfjs/web/locale/br/viewer.properties | 62 + vendor/pdfjs/web/locale/brx/viewer.properties | 167 + vendor/pdfjs/web/locale/bs/viewer.properties | 21 + vendor/pdfjs/web/locale/ca/viewer.properties | 23 + vendor/pdfjs/web/locale/cak/viewer.properties | 242 + vendor/pdfjs/web/locale/crh/viewer.properties | 217 + vendor/pdfjs/web/locale/cs/viewer.properties | 60 +- vendor/pdfjs/web/locale/cy/viewer.properties | 58 + vendor/pdfjs/web/locale/da/viewer.properties | 58 + vendor/pdfjs/web/locale/de/viewer.properties | 49 +- vendor/pdfjs/web/locale/el/viewer.properties | 58 + vendor/pdfjs/web/locale/en-CA/viewer.properties | 242 + vendor/pdfjs/web/locale/en-US/viewer.properties | 58 + vendor/pdfjs/web/locale/eo/viewer.properties | 68 +- vendor/pdfjs/web/locale/es-AR/viewer.properties | 58 + vendor/pdfjs/web/locale/es-CL/viewer.properties | 58 + vendor/pdfjs/web/locale/es-ES/viewer.properties | 359 +- vendor/pdfjs/web/locale/es-MX/viewer.properties | 58 + vendor/pdfjs/web/locale/et/viewer.properties | 62 + vendor/pdfjs/web/locale/eu/viewer.properties | 58 + vendor/pdfjs/web/locale/fa/viewer.properties | 17 + vendor/pdfjs/web/locale/ff/viewer.properties | 17 + vendor/pdfjs/web/locale/fi/viewer.properties | 60 +- vendor/pdfjs/web/locale/fr/viewer.properties | 64 +- vendor/pdfjs/web/locale/fy-NL/viewer.properties | 58 + vendor/pdfjs/web/locale/gd/viewer.properties | 31 + vendor/pdfjs/web/locale/gn/viewer.properties | 242 + vendor/pdfjs/web/locale/gu-IN/viewer.properties | 79 + vendor/pdfjs/web/locale/he/viewer.properties | 56 + vendor/pdfjs/web/locale/hi-IN/viewer.properties | 38 + vendor/pdfjs/web/locale/hsb/viewer.properties | 242 + vendor/pdfjs/web/locale/hto/viewer.properties | 127 + vendor/pdfjs/web/locale/hu/viewer.properties | 60 +- vendor/pdfjs/web/locale/hy-AM/viewer.properties | 21 + vendor/pdfjs/web/locale/ia/viewer.properties | 242 + vendor/pdfjs/web/locale/id/viewer.properties | 58 + vendor/pdfjs/web/locale/is/viewer.properties | 30 + vendor/pdfjs/web/locale/it/viewer.properties | 40 + vendor/pdfjs/web/locale/ja/viewer.properties | 36 + vendor/pdfjs/web/locale/ka/viewer.properties | 160 +- vendor/pdfjs/web/locale/kab/viewer.properties | 242 + vendor/pdfjs/web/locale/kk/viewer.properties | 70 +- vendor/pdfjs/web/locale/kn/viewer.properties | 24 + vendor/pdfjs/web/locale/ko/viewer.properties | 58 + vendor/pdfjs/web/locale/kok/viewer.properties | 167 + vendor/pdfjs/web/locale/ks/viewer.properties | 168 + vendor/pdfjs/web/locale/lij/viewer.properties | 64 +- vendor/pdfjs/web/locale/lo/viewer.properties | 152 + vendor/pdfjs/web/locale/locale.properties | 57 + vendor/pdfjs/web/locale/lt/viewer.properties | 58 + vendor/pdfjs/web/locale/ltg/viewer.properties | 220 + vendor/pdfjs/web/locale/lv/viewer.properties | 62 + vendor/pdfjs/web/locale/meh/viewer.properties | 72 + vendor/pdfjs/web/locale/mk/viewer.properties | 12 + vendor/pdfjs/web/locale/ml/viewer.properties | 16 + vendor/pdfjs/web/locale/mr/viewer.properties | 24 +- vendor/pdfjs/web/locale/ms/viewer.properties | 72 +- vendor/pdfjs/web/locale/my/viewer.properties | 2 +- vendor/pdfjs/web/locale/nb-NO/viewer.properties | 58 + vendor/pdfjs/web/locale/ne-NP/viewer.properties | 184 + vendor/pdfjs/web/locale/nl/viewer.properties | 60 +- vendor/pdfjs/web/locale/nn-NO/viewer.properties | 62 +- vendor/pdfjs/web/locale/oc/viewer.properties | 74 +- vendor/pdfjs/web/locale/pa-IN/viewer.properties | 57 +- vendor/pdfjs/web/locale/pl/viewer.properties | 72 +- vendor/pdfjs/web/locale/pt-BR/viewer.properties | 53 +- vendor/pdfjs/web/locale/pt-PT/viewer.properties | 70 +- vendor/pdfjs/web/locale/rm/viewer.properties | 58 + vendor/pdfjs/web/locale/ro/viewer.properties | 109 +- vendor/pdfjs/web/locale/ru/viewer.properties | 58 + vendor/pdfjs/web/locale/sat/viewer.properties | 134 + vendor/pdfjs/web/locale/sk/viewer.properties | 80 +- vendor/pdfjs/web/locale/sl/viewer.properties | 58 + vendor/pdfjs/web/locale/sq/viewer.properties | 73 +- vendor/pdfjs/web/locale/sr/viewer.properties | 36 + vendor/pdfjs/web/locale/sv-SE/viewer.properties | 58 + vendor/pdfjs/web/locale/ta/viewer.properties | 17 + vendor/pdfjs/web/locale/te/viewer.properties | 36 +- vendor/pdfjs/web/locale/th/viewer.properties | 56 +- vendor/pdfjs/web/locale/tl/viewer.properties | 80 + vendor/pdfjs/web/locale/tr/viewer.properties | 62 +- vendor/pdfjs/web/locale/tsz/viewer.properties | 75 + vendor/pdfjs/web/locale/uk/viewer.properties | 58 + vendor/pdfjs/web/locale/ur/viewer.properties | 31 + vendor/pdfjs/web/locale/uz/viewer.properties | 169 + vendor/pdfjs/web/locale/vi/viewer.properties | 32 + vendor/pdfjs/web/locale/wo/viewer.properties | 6 +- vendor/pdfjs/web/locale/zam/viewer.properties | 90 + vendor/pdfjs/web/locale/zh-CN/viewer.properties | 72 +- vendor/pdfjs/web/locale/zh-TW/viewer.properties | 58 + vendor/pdfjs/web/viewer.css | 462 +- vendor/pdfjs/web/viewer.js | 18966 +++-- vendor/pdfjs/web/viewer.js.map | 2 +- 118 files changed, 76481 insertions(+), 55148 deletions(-) create mode 100644 vendor/pdfjs/web/images/secondaryToolbarButton-scrollHorizontal.png create mode 100644 vendor/pdfjs/web/images/secondaryToolbarButton-scrollHorizontal@2x.png create mode 100644 vendor/pdfjs/web/images/secondaryToolbarButton-scrollVertical.png create mode 100644 vendor/pdfjs/web/images/secondaryToolbarButton-scrollVertical@2x.png create mode 100644 vendor/pdfjs/web/images/secondaryToolbarButton-scrollWrapped.png create mode 100644 vendor/pdfjs/web/images/secondaryToolbarButton-scrollWrapped@2x.png create mode 100644 vendor/pdfjs/web/images/secondaryToolbarButton-spreadEven.png create mode 100644 vendor/pdfjs/web/images/secondaryToolbarButton-spreadEven@2x.png create mode 100644 vendor/pdfjs/web/images/secondaryToolbarButton-spreadNone.png create mode 100644 vendor/pdfjs/web/images/secondaryToolbarButton-spreadNone@2x.png create mode 100644 vendor/pdfjs/web/images/secondaryToolbarButton-spreadOdd.png create mode 100644 vendor/pdfjs/web/images/secondaryToolbarButton-spreadOdd@2x.png create mode 100644 vendor/pdfjs/web/locale/brx/viewer.properties create mode 100644 vendor/pdfjs/web/locale/cak/viewer.properties create mode 100644 vendor/pdfjs/web/locale/crh/viewer.properties create mode 100644 vendor/pdfjs/web/locale/en-CA/viewer.properties create mode 100644 vendor/pdfjs/web/locale/gn/viewer.properties create mode 100644 vendor/pdfjs/web/locale/hsb/viewer.properties create mode 100644 vendor/pdfjs/web/locale/hto/viewer.properties create mode 100644 vendor/pdfjs/web/locale/ia/viewer.properties create mode 100644 vendor/pdfjs/web/locale/kab/viewer.properties create mode 100644 vendor/pdfjs/web/locale/kok/viewer.properties create mode 100644 vendor/pdfjs/web/locale/ks/viewer.properties create mode 100644 vendor/pdfjs/web/locale/lo/viewer.properties create mode 100644 vendor/pdfjs/web/locale/ltg/viewer.properties create mode 100644 vendor/pdfjs/web/locale/meh/viewer.properties create mode 100644 vendor/pdfjs/web/locale/ne-NP/viewer.properties create mode 100644 vendor/pdfjs/web/locale/sat/viewer.properties create mode 100644 vendor/pdfjs/web/locale/tsz/viewer.properties create mode 100644 vendor/pdfjs/web/locale/uz/viewer.properties create mode 100644 vendor/pdfjs/web/locale/zam/viewer.properties diff --git a/vendor/pdfjs/build/pdf.js b/vendor/pdfjs/build/pdf.js index be0ba7d..4d8adb0 100644 --- a/vendor/pdfjs/build/pdf.js +++ b/vendor/pdfjs/build/pdf.js @@ -1,4 +1,8 @@ -/* Copyright 2017 Mozilla Foundation +/** + * @licstart The following is the entire license notice for the + * Javascript code in this page + * + * Copyright 2018 Mozilla Foundation * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -11,6 +15,9 @@ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. + * + * @licend The above is the entire license notice for the + * Javascript code in this page */ (function webpackUniversalModuleDefinition(root, factory) { @@ -21,7 +28,7 @@ else if(typeof exports === 'object') exports["pdfjs-dist/build/pdf"] = factory(); else - root["pdfjs-dist/build/pdf"] = root.pdfjsDistBuildPdf = factory(); + root["pdfjs-dist/build/pdf"] = root.pdfjsLib = factory(); })(this, function() { return /******/ (function(modules) { // webpackBootstrap /******/ // The module cache @@ -58,18 +65,35 @@ return /******/ (function(modules) { // webpackBootstrap /******/ // expose the module cache /******/ __w_pdfjs_require__.c = installedModules; /******/ -/******/ // identity function for calling harmony imports with the correct context -/******/ __w_pdfjs_require__.i = function(value) { return value; }; -/******/ /******/ // define getter function for harmony exports /******/ __w_pdfjs_require__.d = function(exports, name, getter) { /******/ if(!__w_pdfjs_require__.o(exports, name)) { -/******/ Object.defineProperty(exports, name, { -/******/ configurable: false, -/******/ enumerable: true, -/******/ get: getter -/******/ }); +/******/ Object.defineProperty(exports, name, { enumerable: true, get: getter }); +/******/ } +/******/ }; +/******/ +/******/ // define __esModule on exports +/******/ __w_pdfjs_require__.r = function(exports) { +/******/ if(typeof Symbol !== 'undefined' && Symbol.toStringTag) { +/******/ Object.defineProperty(exports, Symbol.toStringTag, { value: 'Module' }); /******/ } +/******/ Object.defineProperty(exports, '__esModule', { value: true }); +/******/ }; +/******/ +/******/ // create a fake namespace object +/******/ // mode & 1: value is a module id, require it +/******/ // mode & 2: merge all properties of value into the ns +/******/ // mode & 4: return value when already ns object +/******/ // mode & 8|1: behave like require +/******/ __w_pdfjs_require__.t = function(value, mode) { +/******/ if(mode & 1) value = __w_pdfjs_require__(value); +/******/ if(mode & 8) return value; +/******/ if((mode & 4) && typeof value === 'object' && value && value.__esModule) return value; +/******/ var ns = Object.create(null); +/******/ __w_pdfjs_require__.r(ns); +/******/ Object.defineProperty(ns, 'default', { enumerable: true, value: value }); +/******/ if(mode & 2 && typeof value != 'string') for(var key in value) __w_pdfjs_require__.d(ns, key, function(key) { return value[key]; }.bind(null, key)); +/******/ return ns; /******/ }; /******/ /******/ // getDefaultExport function for compatibility with non-harmony modules @@ -87,8 +111,9 @@ return /******/ (function(modules) { // webpackBootstrap /******/ // __webpack_public_path__ /******/ __w_pdfjs_require__.p = ""; /******/ +/******/ /******/ // Load entry module and return exports -/******/ return __w_pdfjs_require__(__w_pdfjs_require__.s = 15); +/******/ return __w_pdfjs_require__(__w_pdfjs_require__.s = 0); /******/ }) /************************************************************************/ /******/ ([ @@ -98,24 +123,107 @@ return /******/ (function(modules) { // webpackBootstrap "use strict"; +var pdfjsVersion = '2.0.943'; +var pdfjsBuild = 'dc98bf76'; +var pdfjsSharedUtil = __w_pdfjs_require__(1); +var pdfjsDisplayAPI = __w_pdfjs_require__(129); +var pdfjsDisplayTextLayer = __w_pdfjs_require__(145); +var pdfjsDisplayAnnotationLayer = __w_pdfjs_require__(146); +var pdfjsDisplayDOMUtils = __w_pdfjs_require__(130); +var pdfjsDisplaySVG = __w_pdfjs_require__(147); +var pdfjsDisplayWorkerOptions = __w_pdfjs_require__(135); +var pdfjsDisplayAPICompatibility = __w_pdfjs_require__(132); +{ + var isNodeJS = __w_pdfjs_require__(4); + if (isNodeJS()) { + var PDFNodeStream = __w_pdfjs_require__(148).PDFNodeStream; + pdfjsDisplayAPI.setPDFNetworkStreamFactory(function (params) { + return new PDFNodeStream(params); + }); + } else if (typeof Response !== 'undefined' && 'body' in Response.prototype && typeof ReadableStream !== 'undefined') { + var PDFFetchStream = __w_pdfjs_require__(151).PDFFetchStream; + pdfjsDisplayAPI.setPDFNetworkStreamFactory(function (params) { + return new PDFFetchStream(params); + }); + } else { + var PDFNetworkStream = __w_pdfjs_require__(152).PDFNetworkStream; + pdfjsDisplayAPI.setPDFNetworkStreamFactory(function (params) { + return new PDFNetworkStream(params); + }); + } +} +exports.build = pdfjsDisplayAPI.build; +exports.version = pdfjsDisplayAPI.version; +exports.getDocument = pdfjsDisplayAPI.getDocument; +exports.LoopbackPort = pdfjsDisplayAPI.LoopbackPort; +exports.PDFDataRangeTransport = pdfjsDisplayAPI.PDFDataRangeTransport; +exports.PDFWorker = pdfjsDisplayAPI.PDFWorker; +exports.renderTextLayer = pdfjsDisplayTextLayer.renderTextLayer; +exports.AnnotationLayer = pdfjsDisplayAnnotationLayer.AnnotationLayer; +exports.createPromiseCapability = pdfjsSharedUtil.createPromiseCapability; +exports.PasswordResponses = pdfjsSharedUtil.PasswordResponses; +exports.InvalidPDFException = pdfjsSharedUtil.InvalidPDFException; +exports.MissingPDFException = pdfjsSharedUtil.MissingPDFException; +exports.SVGGraphics = pdfjsDisplaySVG.SVGGraphics; +exports.NativeImageDecoding = pdfjsSharedUtil.NativeImageDecoding; +exports.CMapCompressionType = pdfjsSharedUtil.CMapCompressionType; +exports.PermissionFlag = pdfjsSharedUtil.PermissionFlag; +exports.UnexpectedResponseException = pdfjsSharedUtil.UnexpectedResponseException; +exports.OPS = pdfjsSharedUtil.OPS; +exports.VerbosityLevel = pdfjsSharedUtil.VerbosityLevel; +exports.UNSUPPORTED_FEATURES = pdfjsSharedUtil.UNSUPPORTED_FEATURES; +exports.createValidAbsoluteUrl = pdfjsSharedUtil.createValidAbsoluteUrl; +exports.createObjectURL = pdfjsSharedUtil.createObjectURL; +exports.removeNullCharacters = pdfjsSharedUtil.removeNullCharacters; +exports.shadow = pdfjsSharedUtil.shadow; +exports.Util = pdfjsSharedUtil.Util; +exports.ReadableStream = pdfjsSharedUtil.ReadableStream; +exports.URL = pdfjsSharedUtil.URL; +exports.RenderingCancelledException = pdfjsDisplayDOMUtils.RenderingCancelledException; +exports.getFilenameFromUrl = pdfjsDisplayDOMUtils.getFilenameFromUrl; +exports.LinkTarget = pdfjsDisplayDOMUtils.LinkTarget; +exports.addLinkAttributes = pdfjsDisplayDOMUtils.addLinkAttributes; +exports.loadScript = pdfjsDisplayDOMUtils.loadScript; +exports.GlobalWorkerOptions = pdfjsDisplayWorkerOptions.GlobalWorkerOptions; +exports.apiCompatibilityParams = pdfjsDisplayAPICompatibility.apiCompatibilityParams; + +/***/ }), +/* 1 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + Object.defineProperty(exports, "__esModule", { value: true }); -exports.unreachable = exports.warn = exports.utf8StringToString = exports.stringToUTF8String = exports.stringToPDFString = exports.stringToBytes = exports.string32 = exports.shadow = exports.setVerbosityLevel = exports.ReadableStream = exports.removeNullCharacters = exports.readUint32 = exports.readUint16 = exports.readInt8 = exports.log2 = exports.loadJpegStream = exports.isEvalSupported = exports.isLittleEndian = exports.createValidAbsoluteUrl = exports.isSameOrigin = exports.isNodeJS = exports.isSpace = exports.isString = exports.isNum = exports.isInt = exports.isEmptyObj = exports.isBool = exports.isArrayBuffer = exports.isArray = exports.info = exports.globalScope = exports.getVerbosityLevel = exports.getLookupTableFactory = exports.deprecated = exports.createObjectURL = exports.createPromiseCapability = exports.createBlob = exports.bytesToString = exports.assert = exports.arraysToBytes = exports.arrayByteLength = exports.FormatError = exports.XRefParseException = exports.Util = exports.UnknownErrorException = exports.UnexpectedResponseException = exports.TextRenderingMode = exports.StreamType = exports.StatTimer = exports.PasswordResponses = exports.PasswordException = exports.PageViewport = exports.NotImplementedException = exports.NativeImageDecoding = exports.MissingPDFException = exports.MissingDataException = exports.MessageHandler = exports.InvalidPDFException = exports.AbortException = exports.CMapCompressionType = exports.ImageKind = exports.FontType = exports.AnnotationType = exports.AnnotationFlag = exports.AnnotationFieldFlag = exports.AnnotationBorderStyleType = exports.UNSUPPORTED_FEATURES = exports.VERBOSITY_LEVELS = exports.OPS = exports.IDENTITY_MATRIX = exports.FONT_IDENTITY_MATRIX = undefined; +exports.unreachable = exports.warn = exports.utf8StringToString = exports.stringToUTF8String = exports.stringToPDFString = exports.stringToBytes = exports.string32 = exports.shadow = exports.setVerbosityLevel = exports.URL = exports.ReadableStream = exports.removeNullCharacters = exports.readUint32 = exports.readUint16 = exports.readInt8 = exports.log2 = exports.isEvalSupported = exports.isLittleEndian = exports.createValidAbsoluteUrl = exports.isSameOrigin = exports.isSpace = exports.isString = exports.isNum = exports.isEmptyObj = exports.isBool = exports.isArrayBuffer = exports.info = exports.getVerbosityLevel = exports.getLookupTableFactory = exports.getInheritableProperty = exports.deprecated = exports.createObjectURL = exports.createPromiseCapability = exports.bytesToString = exports.assert = exports.arraysToBytes = exports.arrayByteLength = exports.FormatError = exports.XRefParseException = exports.toRomanNumerals = exports.Util = exports.UnknownErrorException = exports.UnexpectedResponseException = exports.TextRenderingMode = exports.StreamType = exports.PermissionFlag = exports.PasswordResponses = exports.PasswordException = exports.NativeImageDecoding = exports.MissingPDFException = exports.MissingDataException = exports.InvalidPDFException = exports.AbortException = exports.CMapCompressionType = exports.ImageKind = exports.FontType = exports.AnnotationType = exports.AnnotationFlag = exports.AnnotationFieldFlag = exports.AnnotationBorderStyleType = exports.UNSUPPORTED_FEATURES = exports.VerbosityLevel = exports.OPS = exports.IDENTITY_MATRIX = exports.FONT_IDENTITY_MATRIX = undefined; var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; -__w_pdfjs_require__(16); +__w_pdfjs_require__(2); -var _streams_polyfill = __w_pdfjs_require__(17); +var _streams_polyfill = __w_pdfjs_require__(125); -var globalScope = typeof window !== 'undefined' && window.Math === Math ? window : typeof global !== 'undefined' && global.Math === Math ? global : typeof self !== 'undefined' && self.Math === Math ? self : undefined; +var _url_polyfill = __w_pdfjs_require__(127); + +var IDENTITY_MATRIX = [1, 0, 0, 1, 0, 0]; var FONT_IDENTITY_MATRIX = [0.001, 0, 0, 0.001, 0, 0]; var NativeImageDecoding = { NONE: 'none', DECODE: 'decode', DISPLAY: 'display' }; +var PermissionFlag = { + PRINT: 0x04, + MODIFY_CONTENTS: 0x08, + COPY: 0x10, + MODIFY_ANNOTATIONS: 0x20, + FILL_INTERACTIVE_FORMS: 0x100, + COPY_FOR_ACCESSIBILITY: 0x200, + ASSEMBLE: 0x400, + PRINT_HIGH_QUALITY: 0x800 +}; var TextRenderingMode = { FILL: 0, STROKE: 1, @@ -226,10 +334,10 @@ var FontType = { TYPE0: 9, MMTYPE1: 10 }; -var VERBOSITY_LEVELS = { - errors: 0, - warnings: 1, - infos: 5 +var VerbosityLevel = { + ERRORS: 0, + WARNINGS: 1, + INFOS: 5 }; var CMapCompressionType = { NONE: 0, @@ -329,20 +437,34 @@ var OPS = { paintSolidColorImageMask: 90, constructPath: 91 }; -var verbosity = VERBOSITY_LEVELS.warnings; +var UNSUPPORTED_FEATURES = { + unknown: 'unknown', + forms: 'forms', + javaScript: 'javaScript', + smask: 'smask', + shadingPattern: 'shadingPattern', + font: 'font' +}; +var PasswordResponses = { + NEED_PASSWORD: 1, + INCORRECT_PASSWORD: 2 +}; +var verbosity = VerbosityLevel.WARNINGS; function setVerbosityLevel(level) { - verbosity = level; + if (Number.isInteger(level)) { + verbosity = level; + } } function getVerbosityLevel() { return verbosity; } function info(msg) { - if (verbosity >= VERBOSITY_LEVELS.infos) { + if (verbosity >= VerbosityLevel.INFOS) { console.log('Info: ' + msg); } } function warn(msg) { - if (verbosity >= VERBOSITY_LEVELS.warnings) { + if (verbosity >= VerbosityLevel.WARNINGS) { console.log('Warning: ' + msg); } } @@ -357,27 +479,19 @@ function assert(cond, msg) { unreachable(msg); } } -var UNSUPPORTED_FEATURES = { - unknown: 'unknown', - forms: 'forms', - javaScript: 'javaScript', - smask: 'smask', - shadingPattern: 'shadingPattern', - font: 'font' -}; function isSameOrigin(baseUrl, otherUrl) { try { - var base = new URL(baseUrl); + var base = new _url_polyfill.URL(baseUrl); if (!base.origin || base.origin === 'null') { return false; } } catch (e) { return false; } - var other = new URL(otherUrl, base); + var other = new _url_polyfill.URL(otherUrl, base); return base.origin === other.origin; } -function isValidProtocol(url) { +function _isValidProtocol(url) { if (!url) { return false; } @@ -397,8 +511,8 @@ function createValidAbsoluteUrl(url, baseUrl) { return null; } try { - var absoluteUrl = baseUrl ? new URL(url, baseUrl) : new URL(url); - if (isValidProtocol(absoluteUrl)) { + var absoluteUrl = baseUrl ? new _url_polyfill.URL(url, baseUrl) : new _url_polyfill.URL(url); + if (_isValidProtocol(absoluteUrl)) { return absoluteUrl; } } catch (ex) {} @@ -424,10 +538,6 @@ function getLookupTableFactory(initializer) { return lookup; }; } -var PasswordResponses = { - NEED_PASSWORD: 1, - INCORRECT_PASSWORD: 2 -}; var PasswordException = function PasswordExceptionClosure() { function PasswordException(msg, code) { this.name = 'PasswordException'; @@ -476,15 +586,6 @@ var UnexpectedResponseException = function UnexpectedResponseExceptionClosure() UnexpectedResponseException.constructor = UnexpectedResponseException; return UnexpectedResponseException; }(); -var NotImplementedException = function NotImplementedExceptionClosure() { - function NotImplementedException(msg) { - this.message = msg; - } - NotImplementedException.prototype = new Error(); - NotImplementedException.prototype.name = 'NotImplementedException'; - NotImplementedException.constructor = NotImplementedException; - return NotImplementedException; -}(); var MissingDataException = function MissingDataExceptionClosure() { function MissingDataException(begin, end) { this.begin = begin; @@ -596,13 +697,10 @@ function string32(value) { return String.fromCharCode(value >> 24 & 0xff, value >> 16 & 0xff, value >> 8 & 0xff, value & 0xff); } function log2(x) { - var n = 1, - i = 0; - while (x > n) { - n <<= 1; - i++; + if (x <= 0) { + return 0; } - return i; + return Math.ceil(Math.log2(x)); } function readInt8(data, start) { return data[start] << 24 >> 24; @@ -627,7 +725,36 @@ function isEvalSupported() { return false; } } -var IDENTITY_MATRIX = [1, 0, 0, 1, 0, 0]; +function getInheritableProperty(_ref) { + var dict = _ref.dict, + key = _ref.key, + _ref$getArray = _ref.getArray, + getArray = _ref$getArray === undefined ? false : _ref$getArray, + _ref$stopWhenFound = _ref.stopWhenFound, + stopWhenFound = _ref$stopWhenFound === undefined ? true : _ref$stopWhenFound; + + var LOOP_LIMIT = 100; + var loopCount = 0; + var values = void 0; + while (dict) { + var value = getArray ? dict.getArray(key) : dict.get(key); + if (value !== undefined) { + if (stopWhenFound) { + return value; + } + if (!values) { + values = []; + } + values.push(value); + } + if (++loopCount > LOOP_LIMIT) { + warn('getInheritableProperty: maximum loop count exceeded for "' + key + '"'); + break; + } + dict = dict.get('Parent'); + } + return values; +} var Util = function UtilClosure() { function Util() {} var rgbBuf = ['rgb(', 0, ',', 0, ',', 0, ')']; @@ -712,152 +839,29 @@ var Util = function UtilClosure() { } return result; }; - Util.sign = function Util_sign(num) { - return num < 0 ? -1 : 1; - }; - var ROMAN_NUMBER_MAP = ['', 'C', 'CC', 'CCC', 'CD', 'D', 'DC', 'DCC', 'DCCC', 'CM', '', 'X', 'XX', 'XXX', 'XL', 'L', 'LX', 'LXX', 'LXXX', 'XC', '', 'I', 'II', 'III', 'IV', 'V', 'VI', 'VII', 'VIII', 'IX']; - Util.toRoman = function Util_toRoman(number, lowerCase) { - assert(isInt(number) && number > 0, 'The number should be a positive integer.'); - var pos, - romanBuf = []; - while (number >= 1000) { - number -= 1000; - romanBuf.push('M'); - } - pos = number / 100 | 0; - number %= 100; - romanBuf.push(ROMAN_NUMBER_MAP[pos]); - pos = number / 10 | 0; - number %= 10; - romanBuf.push(ROMAN_NUMBER_MAP[10 + pos]); - romanBuf.push(ROMAN_NUMBER_MAP[20 + number]); - var romanStr = romanBuf.join(''); - return lowerCase ? romanStr.toLowerCase() : romanStr; - }; - Util.appendToArray = function Util_appendToArray(arr1, arr2) { - Array.prototype.push.apply(arr1, arr2); - }; - Util.prependToArray = function Util_prependToArray(arr1, arr2) { - Array.prototype.unshift.apply(arr1, arr2); - }; - Util.extendObj = function extendObj(obj1, obj2) { - for (var key in obj2) { - obj1[key] = obj2[key]; - } - }; - Util.getInheritableProperty = function Util_getInheritableProperty(dict, name, getArray) { - while (dict && !dict.has(name)) { - dict = dict.get('Parent'); - } - if (!dict) { - return null; - } - return getArray ? dict.getArray(name) : dict.get(name); - }; - Util.inherit = function Util_inherit(sub, base, prototype) { - sub.prototype = Object.create(base.prototype); - sub.prototype.constructor = sub; - for (var prop in prototype) { - sub.prototype[prop] = prototype[prop]; - } - }; - Util.loadScript = function Util_loadScript(src, callback) { - var script = document.createElement('script'); - var loaded = false; - script.setAttribute('src', src); - if (callback) { - script.onload = function () { - if (!loaded) { - callback(); - } - loaded = true; - }; - } - document.getElementsByTagName('head')[0].appendChild(script); - }; return Util; }(); -var PageViewport = function PageViewportClosure() { - function PageViewport(viewBox, scale, rotation, offsetX, offsetY, dontFlip) { - this.viewBox = viewBox; - this.scale = scale; - this.rotation = rotation; - this.offsetX = offsetX; - this.offsetY = offsetY; - var centerX = (viewBox[2] + viewBox[0]) / 2; - var centerY = (viewBox[3] + viewBox[1]) / 2; - var rotateA, rotateB, rotateC, rotateD; - rotation = rotation % 360; - rotation = rotation < 0 ? rotation + 360 : rotation; - switch (rotation) { - case 180: - rotateA = -1; - rotateB = 0; - rotateC = 0; - rotateD = 1; - break; - case 90: - rotateA = 0; - rotateB = 1; - rotateC = 1; - rotateD = 0; - break; - case 270: - rotateA = 0; - rotateB = -1; - rotateC = -1; - rotateD = 0; - break; - default: - rotateA = 1; - rotateB = 0; - rotateC = 0; - rotateD = -1; - break; - } - if (dontFlip) { - rotateC = -rotateC; - rotateD = -rotateD; - } - var offsetCanvasX, offsetCanvasY; - var width, height; - if (rotateA === 0) { - offsetCanvasX = Math.abs(centerY - viewBox[1]) * scale + offsetX; - offsetCanvasY = Math.abs(centerX - viewBox[0]) * scale + offsetY; - width = Math.abs(viewBox[3] - viewBox[1]) * scale; - height = Math.abs(viewBox[2] - viewBox[0]) * scale; - } else { - offsetCanvasX = Math.abs(centerX - viewBox[0]) * scale + offsetX; - offsetCanvasY = Math.abs(centerY - viewBox[1]) * scale + offsetY; - width = Math.abs(viewBox[2] - viewBox[0]) * scale; - height = Math.abs(viewBox[3] - viewBox[1]) * scale; - } - this.transform = [rotateA * scale, rotateB * scale, rotateC * scale, rotateD * scale, offsetCanvasX - rotateA * scale * centerX - rotateC * scale * centerY, offsetCanvasY - rotateB * scale * centerX - rotateD * scale * centerY]; - this.width = width; - this.height = height; - this.fontScale = scale; - } - PageViewport.prototype = { - clone: function PageViewPort_clone(args) { - args = args || {}; - var scale = 'scale' in args ? args.scale : this.scale; - var rotation = 'rotation' in args ? args.rotation : this.rotation; - return new PageViewport(this.viewBox.slice(), scale, rotation, this.offsetX, this.offsetY, args.dontFlip); - }, - convertToViewportPoint: function PageViewport_convertToViewportPoint(x, y) { - return Util.applyTransform([x, y], this.transform); - }, - convertToViewportRectangle: function PageViewport_convertToViewportRectangle(rect) { - var tl = Util.applyTransform([rect[0], rect[1]], this.transform); - var br = Util.applyTransform([rect[2], rect[3]], this.transform); - return [tl[0], tl[1], br[0], br[1]]; - }, - convertToPdfPoint: function PageViewport_convertToPdfPoint(x, y) { - return Util.applyInverseTransform([x, y], this.transform); - } - }; - return PageViewport; -}(); +var ROMAN_NUMBER_MAP = ['', 'C', 'CC', 'CCC', 'CD', 'D', 'DC', 'DCC', 'DCCC', 'CM', '', 'X', 'XX', 'XXX', 'XL', 'L', 'LX', 'LXX', 'LXXX', 'XC', '', 'I', 'II', 'III', 'IV', 'V', 'VI', 'VII', 'VIII', 'IX']; +function toRomanNumerals(number) { + var lowerCase = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false; + + assert(Number.isInteger(number) && number > 0, 'The number should be a positive integer.'); + var pos = void 0, + romanBuf = []; + while (number >= 1000) { + number -= 1000; + romanBuf.push('M'); + } + pos = number / 100 | 0; + number %= 100; + romanBuf.push(ROMAN_NUMBER_MAP[pos]); + pos = number / 10 | 0; + number %= 10; + romanBuf.push(ROMAN_NUMBER_MAP[10 + pos]); + romanBuf.push(ROMAN_NUMBER_MAP[20 + number]); + var romanStr = romanBuf.join(''); + return lowerCase ? romanStr.toLowerCase() : romanStr; +} var PDFStringTranslateTable = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x2D8, 0x2C7, 0x2C6, 0x2D9, 0x2DD, 0x2DB, 0x2DA, 0x2DC, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x2022, 0x2020, 0x2021, 0x2026, 0x2014, 0x2013, 0x192, 0x2044, 0x2039, 0x203A, 0x2212, 0x2030, 0x201E, 0x201C, 0x201D, 0x2018, 0x2019, 0x201A, 0x2122, 0xFB01, 0xFB02, 0x141, 0x152, 0x160, 0x178, 0x17D, 0x131, 0x142, 0x153, 0x161, 0x17E, 0, 0x20AC]; function stringToPDFString(str) { var i, @@ -890,27 +894,18 @@ function isEmptyObj(obj) { function isBool(v) { return typeof v === 'boolean'; } -function isInt(v) { - return typeof v === 'number' && (v | 0) === v; -} function isNum(v) { return typeof v === 'number'; } function isString(v) { return typeof v === 'string'; } -function isArray(v) { - return v instanceof Array; -} function isArrayBuffer(v) { return (typeof v === 'undefined' ? 'undefined' : _typeof(v)) === 'object' && v !== null && v.byteLength !== undefined; } function isSpace(ch) { return ch === 0x20 || ch === 0x09 || ch === 0x0D || ch === 0x0A; } -function isNodeJS() { - return (typeof process === 'undefined' ? 'undefined' : _typeof(process)) === 'object' && process + '' === '[object process]'; -} function createPromiseCapability() { var capability = {}; capability.promise = new Promise(function (resolve, reject) { @@ -919,77 +914,14 @@ function createPromiseCapability() { }); return capability; } -var StatTimer = function StatTimerClosure() { - function rpad(str, pad, length) { - while (str.length < length) { - str += pad; - } - return str; - } - function StatTimer() { - this.started = Object.create(null); - this.times = []; - this.enabled = true; - } - StatTimer.prototype = { - time: function StatTimer_time(name) { - if (!this.enabled) { - return; - } - if (name in this.started) { - warn('Timer is already running for ' + name); - } - this.started[name] = Date.now(); - }, - timeEnd: function StatTimer_timeEnd(name) { - if (!this.enabled) { - return; - } - if (!(name in this.started)) { - warn('Timer has not been started for ' + name); - } - this.times.push({ - 'name': name, - 'start': this.started[name], - 'end': Date.now() - }); - delete this.started[name]; - }, - toString: function StatTimer_toString() { - var i, ii; - var times = this.times; - var out = ''; - var longest = 0; - for (i = 0, ii = times.length; i < ii; ++i) { - var name = times[i]['name']; - if (name.length > longest) { - longest = name.length; - } - } - for (i = 0, ii = times.length; i < ii; ++i) { - var span = times[i]; - var duration = span.end - span.start; - out += rpad(span['name'], ' ', longest) + ' ' + duration + 'ms\n'; - } - return out; - } - }; - return StatTimer; -}(); -var createBlob = function createBlob(data, contentType) { - if (typeof Blob !== 'undefined') { - return new Blob([data], { type: contentType }); - } - throw new Error('The "Blob" constructor is not supported.'); -}; var createObjectURL = function createObjectURLClosure() { var digits = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/='; return function createObjectURL(data, contentType) { var forceDataSchema = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false; - if (!forceDataSchema && URL.createObjectURL) { - var blob = createBlob(data, contentType); - return URL.createObjectURL(blob); + if (!forceDataSchema && _url_polyfill.URL.createObjectURL) { + var blob = new Blob([data], { type: contentType }); + return _url_polyfill.URL.createObjectURL(blob); } var buffer = 'data:' + contentType + ';base64,'; for (var i = 0, ii = data.length; i < ii; i += 3) { @@ -1005,4577 +937,6872 @@ var createObjectURL = function createObjectURLClosure() { return buffer; }; }(); -function resolveCall(fn, args) { - var thisArg = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : null; - - if (!fn) { - return Promise.resolve(undefined); - } - return new Promise(function (resolve, reject) { - resolve(fn.apply(thisArg, args)); - }); -} -function wrapReason(reason) { - if ((typeof reason === 'undefined' ? 'undefined' : _typeof(reason)) !== 'object') { - return reason; - } - switch (reason.name) { - case 'AbortException': - return new AbortException(reason.message); - case 'MissingPDFException': - return new MissingPDFException(reason.message); - case 'UnexpectedResponseException': - return new UnexpectedResponseException(reason.message, reason.status); - default: - return new UnknownErrorException(reason.message, reason.details); - } -} -function resolveOrReject(capability, success, reason) { - if (success) { - capability.resolve(); - } else { - capability.reject(reason); - } -} -function finalize(promise) { - return Promise.resolve(promise).catch(function () {}); -} -function MessageHandler(sourceName, targetName, comObj) { - var _this = this; - - this.sourceName = sourceName; - this.targetName = targetName; - this.comObj = comObj; - this.callbackId = 1; - this.streamId = 1; - this.postMessageTransfers = true; - this.streamSinks = Object.create(null); - this.streamControllers = Object.create(null); - var callbacksCapabilities = this.callbacksCapabilities = Object.create(null); - var ah = this.actionHandler = Object.create(null); - this._onComObjOnMessage = function (event) { - var data = event.data; - if (data.targetName !== _this.sourceName) { +exports.FONT_IDENTITY_MATRIX = FONT_IDENTITY_MATRIX; +exports.IDENTITY_MATRIX = IDENTITY_MATRIX; +exports.OPS = OPS; +exports.VerbosityLevel = VerbosityLevel; +exports.UNSUPPORTED_FEATURES = UNSUPPORTED_FEATURES; +exports.AnnotationBorderStyleType = AnnotationBorderStyleType; +exports.AnnotationFieldFlag = AnnotationFieldFlag; +exports.AnnotationFlag = AnnotationFlag; +exports.AnnotationType = AnnotationType; +exports.FontType = FontType; +exports.ImageKind = ImageKind; +exports.CMapCompressionType = CMapCompressionType; +exports.AbortException = AbortException; +exports.InvalidPDFException = InvalidPDFException; +exports.MissingDataException = MissingDataException; +exports.MissingPDFException = MissingPDFException; +exports.NativeImageDecoding = NativeImageDecoding; +exports.PasswordException = PasswordException; +exports.PasswordResponses = PasswordResponses; +exports.PermissionFlag = PermissionFlag; +exports.StreamType = StreamType; +exports.TextRenderingMode = TextRenderingMode; +exports.UnexpectedResponseException = UnexpectedResponseException; +exports.UnknownErrorException = UnknownErrorException; +exports.Util = Util; +exports.toRomanNumerals = toRomanNumerals; +exports.XRefParseException = XRefParseException; +exports.FormatError = FormatError; +exports.arrayByteLength = arrayByteLength; +exports.arraysToBytes = arraysToBytes; +exports.assert = assert; +exports.bytesToString = bytesToString; +exports.createPromiseCapability = createPromiseCapability; +exports.createObjectURL = createObjectURL; +exports.deprecated = deprecated; +exports.getInheritableProperty = getInheritableProperty; +exports.getLookupTableFactory = getLookupTableFactory; +exports.getVerbosityLevel = getVerbosityLevel; +exports.info = info; +exports.isArrayBuffer = isArrayBuffer; +exports.isBool = isBool; +exports.isEmptyObj = isEmptyObj; +exports.isNum = isNum; +exports.isString = isString; +exports.isSpace = isSpace; +exports.isSameOrigin = isSameOrigin; +exports.createValidAbsoluteUrl = createValidAbsoluteUrl; +exports.isLittleEndian = isLittleEndian; +exports.isEvalSupported = isEvalSupported; +exports.log2 = log2; +exports.readInt8 = readInt8; +exports.readUint16 = readUint16; +exports.readUint32 = readUint32; +exports.removeNullCharacters = removeNullCharacters; +exports.ReadableStream = _streams_polyfill.ReadableStream; +exports.URL = _url_polyfill.URL; +exports.setVerbosityLevel = setVerbosityLevel; +exports.shadow = shadow; +exports.string32 = string32; +exports.stringToBytes = stringToBytes; +exports.stringToPDFString = stringToPDFString; +exports.stringToUTF8String = stringToUTF8String; +exports.utf8StringToString = utf8StringToString; +exports.warn = warn; +exports.unreachable = unreachable; + +/***/ }), +/* 2 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; + +var globalScope = __w_pdfjs_require__(3); +if (!globalScope._pdfjsCompatibilityChecked) { + globalScope._pdfjsCompatibilityChecked = true; + var isNodeJS = __w_pdfjs_require__(4); + var hasDOM = (typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object' && (typeof document === 'undefined' ? 'undefined' : _typeof(document)) === 'object'; + (function checkNodeBtoa() { + if (globalScope.btoa || !isNodeJS()) { return; } - if (data.stream) { - _this._processStreamMessage(data); - } else if (data.isReply) { - var callbackId = data.callbackId; - if (data.callbackId in callbacksCapabilities) { - var callback = callbacksCapabilities[callbackId]; - delete callbacksCapabilities[callbackId]; - if ('error' in data) { - callback.reject(wrapReason(data.error)); - } else { - callback.resolve(data.data); - } - } else { - throw new Error('Cannot resolve callback ' + callbackId); - } - } else if (data.action in ah) { - var action = ah[data.action]; - if (data.callbackId) { - var _sourceName = _this.sourceName; - var _targetName = data.sourceName; - Promise.resolve().then(function () { - return action[0].call(action[1], data.data); - }).then(function (result) { - comObj.postMessage({ - sourceName: _sourceName, - targetName: _targetName, - isReply: true, - callbackId: data.callbackId, - data: result - }); - }, function (reason) { - if (reason instanceof Error) { - reason = reason + ''; - } - comObj.postMessage({ - sourceName: _sourceName, - targetName: _targetName, - isReply: true, - callbackId: data.callbackId, - error: reason - }); - }); - } else if (data.streamId) { - _this._createStreamSink(data); - } else { - action[0].call(action[1], data.data); - } - } else { - throw new Error('Unknown action from worker: ' + data.action); - } - }; - comObj.addEventListener('message', this._onComObjOnMessage); -} -MessageHandler.prototype = { - on: function on(actionName, handler, scope) { - var ah = this.actionHandler; - if (ah[actionName]) { - throw new Error('There is already an actionName called "' + actionName + '"'); - } - ah[actionName] = [handler, scope]; - }, - send: function send(actionName, data, transfers) { - var message = { - sourceName: this.sourceName, - targetName: this.targetName, - action: actionName, - data: data + globalScope.btoa = function (chars) { + return Buffer.from(chars, 'binary').toString('base64'); }; - this.postMessage(message, transfers); - }, - sendWithPromise: function sendWithPromise(actionName, data, transfers) { - var callbackId = this.callbackId++; - var message = { - sourceName: this.sourceName, - targetName: this.targetName, - action: actionName, - data: data, - callbackId: callbackId + })(); + (function checkNodeAtob() { + if (globalScope.atob || !isNodeJS()) { + return; + } + globalScope.atob = function (input) { + return Buffer.from(input, 'base64').toString('binary'); }; - var capability = createPromiseCapability(); - this.callbacksCapabilities[callbackId] = capability; - try { - this.postMessage(message, transfers); - } catch (e) { - capability.reject(e); + })(); + (function checkCurrentScript() { + if (!hasDOM) { + return; } - return capability.promise; - }, - sendWithStream: function sendWithStream(actionName, data, queueingStrategy, transfers) { - var _this2 = this; - - var streamId = this.streamId++; - var sourceName = this.sourceName; - var targetName = this.targetName; - return new _streams_polyfill.ReadableStream({ - start: function start(controller) { - var startCapability = createPromiseCapability(); - _this2.streamControllers[streamId] = { - controller: controller, - startCall: startCapability, - isClosed: false - }; - _this2.postMessage({ - sourceName: sourceName, - targetName: targetName, - action: actionName, - streamId: streamId, - data: data, - desiredSize: controller.desiredSize - }); - return startCapability.promise; - }, - pull: function pull(controller) { - var pullCapability = createPromiseCapability(); - _this2.streamControllers[streamId].pullCall = pullCapability; - _this2.postMessage({ - sourceName: sourceName, - targetName: targetName, - stream: 'pull', - streamId: streamId, - desiredSize: controller.desiredSize - }); - return pullCapability.promise; + if ('currentScript' in document) { + return; + } + Object.defineProperty(document, 'currentScript', { + get: function get() { + var scripts = document.getElementsByTagName('script'); + return scripts[scripts.length - 1]; }, - cancel: function cancel(reason) { - var cancelCapability = createPromiseCapability(); - _this2.streamControllers[streamId].cancelCall = cancelCapability; - _this2.streamControllers[streamId].isClosed = true; - _this2.postMessage({ - sourceName: sourceName, - targetName: targetName, - stream: 'cancel', - reason: reason, - streamId: streamId - }); - return cancelCapability.promise; - } - }, queueingStrategy); - }, - _createStreamSink: function _createStreamSink(data) { - var _this3 = this; - var self = this; - var action = this.actionHandler[data.action]; - var streamId = data.streamId; - var desiredSize = data.desiredSize; - var sourceName = this.sourceName; - var targetName = data.sourceName; - var capability = createPromiseCapability(); - var sendStreamRequest = function sendStreamRequest(_ref) { - var stream = _ref.stream, - chunk = _ref.chunk, - transfers = _ref.transfers, - success = _ref.success, - reason = _ref.reason; - - _this3.postMessage({ - sourceName: sourceName, - targetName: targetName, - stream: stream, - streamId: streamId, - chunk: chunk, - success: success, - reason: reason - }, transfers); + enumerable: true, + configurable: true + }); + })(); + (function checkChildNodeRemove() { + if (!hasDOM) { + return; + } + if (typeof Element.prototype.remove !== 'undefined') { + return; + } + Element.prototype.remove = function () { + if (this.parentNode) { + this.parentNode.removeChild(this); + } }; - var streamSink = { - enqueue: function enqueue(chunk) { - var size = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 1; - var transfers = arguments[2]; - - if (this.isCancelled) { - return; - } - var lastDesiredSize = this.desiredSize; - this.desiredSize -= size; - if (lastDesiredSize > 0 && this.desiredSize <= 0) { - this.sinkCapability = createPromiseCapability(); - this.ready = this.sinkCapability.promise; - } - sendStreamRequest({ - stream: 'enqueue', - chunk: chunk, - transfers: transfers - }); - }, - close: function close() { - if (this.isCancelled) { - return; - } - sendStreamRequest({ stream: 'close' }); - delete self.streamSinks[streamId]; - }, - error: function error(reason) { - if (this.isCancelled) { - return; - } - this.isCancelled = true; - sendStreamRequest({ - stream: 'error', - reason: reason - }); - }, - - sinkCapability: capability, - onPull: null, - onCancel: null, - isCancelled: false, - desiredSize: desiredSize, - ready: null - }; - streamSink.sinkCapability.resolve(); - streamSink.ready = streamSink.sinkCapability.promise; - this.streamSinks[streamId] = streamSink; - resolveCall(action[0], [data.data, streamSink], action[1]).then(function () { - sendStreamRequest({ - stream: 'start_complete', - success: true - }); - }, function (reason) { - sendStreamRequest({ - stream: 'start_complete', - success: false, - reason: reason - }); - }); - }, - _processStreamMessage: function _processStreamMessage(data) { - var _this4 = this; - - var sourceName = this.sourceName; - var targetName = data.sourceName; - var streamId = data.streamId; - var sendStreamResponse = function sendStreamResponse(_ref2) { - var stream = _ref2.stream, - success = _ref2.success, - reason = _ref2.reason; - - _this4.comObj.postMessage({ - sourceName: sourceName, - targetName: targetName, - stream: stream, - success: success, - streamId: streamId, - reason: reason - }); - }; - var deleteStreamController = function deleteStreamController() { - Promise.all([_this4.streamControllers[data.streamId].startCall, _this4.streamControllers[data.streamId].pullCall, _this4.streamControllers[data.streamId].cancelCall].map(function (capability) { - return capability && finalize(capability.promise); - })).then(function () { - delete _this4.streamControllers[data.streamId]; - }); + })(); + (function checkDOMTokenListToggle() { + if (!hasDOM || isNodeJS()) { + return; + } + var div = document.createElement('div'); + if (div.classList.toggle('test', 0) === false) { + return; + } + var originalDOMTokenListToggle = DOMTokenList.prototype.toggle; + DOMTokenList.prototype.toggle = function (token) { + if (arguments.length > 1) { + var force = !!arguments[1]; + return this[force ? 'add' : 'remove'](token), force; + } + return originalDOMTokenListToggle(token); }; - switch (data.stream) { - case 'start_complete': - resolveOrReject(this.streamControllers[data.streamId].startCall, data.success, wrapReason(data.reason)); - break; - case 'pull_complete': - resolveOrReject(this.streamControllers[data.streamId].pullCall, data.success, wrapReason(data.reason)); - break; - case 'pull': - if (!this.streamSinks[data.streamId]) { - sendStreamResponse({ - stream: 'pull_complete', - success: true - }); - break; - } - if (this.streamSinks[data.streamId].desiredSize <= 0 && data.desiredSize > 0) { - this.streamSinks[data.streamId].sinkCapability.resolve(); - } - this.streamSinks[data.streamId].desiredSize = data.desiredSize; - resolveCall(this.streamSinks[data.streamId].onPull).then(function () { - sendStreamResponse({ - stream: 'pull_complete', - success: true - }); - }, function (reason) { - sendStreamResponse({ - stream: 'pull_complete', - success: false, - reason: reason - }); - }); - break; - case 'enqueue': - assert(this.streamControllers[data.streamId], 'enqueue should have stream controller'); - if (!this.streamControllers[data.streamId].isClosed) { - this.streamControllers[data.streamId].controller.enqueue(data.chunk); - } - break; - case 'close': - assert(this.streamControllers[data.streamId], 'close should have stream controller'); - if (this.streamControllers[data.streamId].isClosed) { - break; - } - this.streamControllers[data.streamId].isClosed = true; - this.streamControllers[data.streamId].controller.close(); - deleteStreamController(); - break; - case 'error': - assert(this.streamControllers[data.streamId], 'error should have stream controller'); - this.streamControllers[data.streamId].controller.error(wrapReason(data.reason)); - deleteStreamController(); - break; - case 'cancel_complete': - resolveOrReject(this.streamControllers[data.streamId].cancelCall, data.success, wrapReason(data.reason)); - deleteStreamController(); - break; - case 'cancel': - if (!this.streamSinks[data.streamId]) { - break; - } - resolveCall(this.streamSinks[data.streamId].onCancel, [wrapReason(data.reason)]).then(function () { - sendStreamResponse({ - stream: 'cancel_complete', - success: true - }); - }, function (reason) { - sendStreamResponse({ - stream: 'cancel_complete', - success: false, - reason: reason - }); - }); - this.streamSinks[data.streamId].sinkCapability.reject(wrapReason(data.reason)); - this.streamSinks[data.streamId].isCancelled = true; - delete this.streamSinks[data.streamId]; - break; - default: - throw new Error('Unexpected stream case'); + })(); + (function checkStringIncludes() { + if (String.prototype.includes) { + return; } - }, - postMessage: function postMessage(message, transfers) { - if (transfers && this.postMessageTransfers) { - this.comObj.postMessage(message, transfers); - } else { - this.comObj.postMessage(message); + __w_pdfjs_require__(5); + })(); + (function checkArrayIncludes() { + if (Array.prototype.includes) { + return; } - }, - destroy: function destroy() { - this.comObj.removeEventListener('message', this._onComObjOnMessage); - } -}; -function loadJpegStream(id, imageUrl, objs) { - var img = new Image(); - img.onload = function loadJpegStream_onloadClosure() { - objs.resolve(id, img); - }; - img.onerror = function loadJpegStream_onerrorClosure() { - objs.resolve(id, null); - warn('Error during JPEG image loading'); - }; - img.src = imageUrl; + __w_pdfjs_require__(33); + })(); + (function checkObjectAssign() { + if (Object.assign) { + return; + } + __w_pdfjs_require__(42); + })(); + (function checkMathLog2() { + if (Math.log2) { + return; + } + Math.log2 = __w_pdfjs_require__(52); + })(); + (function checkNumberIsNaN() { + if (Number.isNaN) { + return; + } + Number.isNaN = __w_pdfjs_require__(54); + })(); + (function checkNumberIsInteger() { + if (Number.isInteger) { + return; + } + Number.isInteger = __w_pdfjs_require__(56); + })(); + (function checkPromise() { + if (globalScope.Promise) { + return; + } + globalScope.Promise = __w_pdfjs_require__(59); + })(); + (function checkWeakMap() { + if (globalScope.WeakMap) { + return; + } + globalScope.WeakMap = __w_pdfjs_require__(94); + })(); + (function checkStringCodePointAt() { + if (String.codePointAt) { + return; + } + String.codePointAt = __w_pdfjs_require__(111); + })(); + (function checkStringFromCodePoint() { + if (String.fromCodePoint) { + return; + } + String.fromCodePoint = __w_pdfjs_require__(113); + })(); + (function checkSymbol() { + if (globalScope.Symbol) { + return; + } + __w_pdfjs_require__(115); + })(); + (function checkObjectValues() { + if (Object.values) { + return; + } + Object.values = __w_pdfjs_require__(122); + })(); } -exports.FONT_IDENTITY_MATRIX = FONT_IDENTITY_MATRIX; -exports.IDENTITY_MATRIX = IDENTITY_MATRIX; -exports.OPS = OPS; -exports.VERBOSITY_LEVELS = VERBOSITY_LEVELS; -exports.UNSUPPORTED_FEATURES = UNSUPPORTED_FEATURES; -exports.AnnotationBorderStyleType = AnnotationBorderStyleType; -exports.AnnotationFieldFlag = AnnotationFieldFlag; -exports.AnnotationFlag = AnnotationFlag; -exports.AnnotationType = AnnotationType; -exports.FontType = FontType; -exports.ImageKind = ImageKind; -exports.CMapCompressionType = CMapCompressionType; -exports.AbortException = AbortException; -exports.InvalidPDFException = InvalidPDFException; -exports.MessageHandler = MessageHandler; -exports.MissingDataException = MissingDataException; -exports.MissingPDFException = MissingPDFException; -exports.NativeImageDecoding = NativeImageDecoding; -exports.NotImplementedException = NotImplementedException; -exports.PageViewport = PageViewport; -exports.PasswordException = PasswordException; -exports.PasswordResponses = PasswordResponses; -exports.StatTimer = StatTimer; -exports.StreamType = StreamType; -exports.TextRenderingMode = TextRenderingMode; -exports.UnexpectedResponseException = UnexpectedResponseException; -exports.UnknownErrorException = UnknownErrorException; -exports.Util = Util; -exports.XRefParseException = XRefParseException; -exports.FormatError = FormatError; -exports.arrayByteLength = arrayByteLength; -exports.arraysToBytes = arraysToBytes; -exports.assert = assert; -exports.bytesToString = bytesToString; -exports.createBlob = createBlob; -exports.createPromiseCapability = createPromiseCapability; -exports.createObjectURL = createObjectURL; -exports.deprecated = deprecated; -exports.getLookupTableFactory = getLookupTableFactory; -exports.getVerbosityLevel = getVerbosityLevel; -exports.globalScope = globalScope; -exports.info = info; -exports.isArray = isArray; -exports.isArrayBuffer = isArrayBuffer; -exports.isBool = isBool; -exports.isEmptyObj = isEmptyObj; -exports.isInt = isInt; -exports.isNum = isNum; -exports.isString = isString; -exports.isSpace = isSpace; -exports.isNodeJS = isNodeJS; -exports.isSameOrigin = isSameOrigin; -exports.createValidAbsoluteUrl = createValidAbsoluteUrl; -exports.isLittleEndian = isLittleEndian; -exports.isEvalSupported = isEvalSupported; -exports.loadJpegStream = loadJpegStream; -exports.log2 = log2; -exports.readInt8 = readInt8; -exports.readUint16 = readUint16; -exports.readUint32 = readUint32; -exports.removeNullCharacters = removeNullCharacters; -exports.ReadableStream = _streams_polyfill.ReadableStream; -exports.setVerbosityLevel = setVerbosityLevel; -exports.shadow = shadow; -exports.string32 = string32; -exports.stringToBytes = stringToBytes; -exports.stringToPDFString = stringToPDFString; -exports.stringToUTF8String = stringToUTF8String; -exports.utf8StringToString = utf8StringToString; -exports.warn = warn; -exports.unreachable = unreachable; /***/ }), -/* 1 */ +/* 3 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; -Object.defineProperty(exports, "__esModule", { - value: true -}); -exports.DOMCMapReaderFactory = exports.DOMCanvasFactory = exports.DEFAULT_LINK_REL = exports.getDefaultSetting = exports.LinkTarget = exports.getFilenameFromUrl = exports.isValidUrl = exports.isExternalLinkTargetSet = exports.addLinkAttributes = exports.RenderingCancelledException = exports.CustomStyle = undefined; +module.exports = typeof window !== 'undefined' && window.Math === Math ? window : typeof global !== 'undefined' && global.Math === Math ? global : typeof self !== 'undefined' && self.Math === Math ? self : {}; -var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }(); +/***/ }), +/* 4 */ +/***/ (function(module, exports, __w_pdfjs_require__) { -var _util = __w_pdfjs_require__(0); +"use strict"; -function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } -var DEFAULT_LINK_REL = 'noopener noreferrer nofollow'; +var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; -var DOMCanvasFactory = function () { - function DOMCanvasFactory() { - _classCallCheck(this, DOMCanvasFactory); - } +module.exports = function isNodeJS() { + return (typeof process === 'undefined' ? 'undefined' : _typeof(process)) === 'object' && process + '' === '[object process]'; +}; - _createClass(DOMCanvasFactory, [{ - key: 'create', - value: function create(width, height) { - if (width <= 0 || height <= 0) { - throw new Error('invalid canvas size'); - } - var canvas = document.createElement('canvas'); - var context = canvas.getContext('2d'); - canvas.width = width; - canvas.height = height; - return { - canvas: canvas, - context: context - }; - } - }, { - key: 'reset', - value: function reset(canvasAndContext, width, height) { - if (!canvasAndContext.canvas) { - throw new Error('canvas is not specified'); - } - if (width <= 0 || height <= 0) { - throw new Error('invalid canvas size'); - } - canvasAndContext.canvas.width = width; - canvasAndContext.canvas.height = height; - } - }, { - key: 'destroy', - value: function destroy(canvasAndContext) { - if (!canvasAndContext.canvas) { - throw new Error('canvas is not specified'); - } - canvasAndContext.canvas.width = 0; - canvasAndContext.canvas.height = 0; - canvasAndContext.canvas = null; - canvasAndContext.context = null; - } - }]); +/***/ }), +/* 5 */ +/***/ (function(module, exports, __w_pdfjs_require__) { - return DOMCanvasFactory; -}(); +"use strict"; -var DOMCMapReaderFactory = function () { - function DOMCMapReaderFactory(_ref) { - var _ref$baseUrl = _ref.baseUrl, - baseUrl = _ref$baseUrl === undefined ? null : _ref$baseUrl, - _ref$isCompressed = _ref.isCompressed, - isCompressed = _ref$isCompressed === undefined ? false : _ref$isCompressed; - _classCallCheck(this, DOMCMapReaderFactory); +__w_pdfjs_require__(6); +module.exports = __w_pdfjs_require__(9).String.includes; - this.baseUrl = baseUrl; - this.isCompressed = isCompressed; - } +/***/ }), +/* 6 */ +/***/ (function(module, exports, __w_pdfjs_require__) { - _createClass(DOMCMapReaderFactory, [{ - key: 'fetch', - value: function fetch(_ref2) { - var _this = this; +"use strict"; - var name = _ref2.name; - if (!name) { - return Promise.reject(new Error('CMap name must be specified.')); - } - return new Promise(function (resolve, reject) { - var url = _this.baseUrl + name + (_this.isCompressed ? '.bcmap' : ''); - var request = new XMLHttpRequest(); - request.open('GET', url, true); - if (_this.isCompressed) { - request.responseType = 'arraybuffer'; - } - request.onreadystatechange = function () { - if (request.readyState !== XMLHttpRequest.DONE) { - return; - } - if (request.status === 200 || request.status === 0) { - var data = void 0; - if (_this.isCompressed && request.response) { - data = new Uint8Array(request.response); - } else if (!_this.isCompressed && request.responseText) { - data = (0, _util.stringToBytes)(request.responseText); - } - if (data) { - resolve({ - cMapData: data, - compressionType: _this.isCompressed ? _util.CMapCompressionType.BINARY : _util.CMapCompressionType.NONE - }); - return; - } - } - reject(new Error('Unable to load ' + (_this.isCompressed ? 'binary ' : '') + 'CMap at: ' + url)); - }; - request.send(null); - }); - } - }]); +var $export = __w_pdfjs_require__(7); +var context = __w_pdfjs_require__(25); +var INCLUDES = 'includes'; +$export($export.P + $export.F * __w_pdfjs_require__(32)(INCLUDES), 'String', { + includes: function includes(searchString) { + return !!~context(this, searchString, INCLUDES).indexOf(searchString, arguments.length > 1 ? arguments[1] : undefined); + } +}); - return DOMCMapReaderFactory; -}(); +/***/ }), +/* 7 */ +/***/ (function(module, exports, __w_pdfjs_require__) { -var CustomStyle = function CustomStyleClosure() { - var prefixes = ['ms', 'Moz', 'Webkit', 'O']; - var _cache = Object.create(null); - function CustomStyle() {} - CustomStyle.getProp = function get(propName, element) { - if (arguments.length === 1 && typeof _cache[propName] === 'string') { - return _cache[propName]; - } - element = element || document.documentElement; - var style = element.style, - prefixed, - uPropName; - if (typeof style[propName] === 'string') { - return _cache[propName] = propName; - } - uPropName = propName.charAt(0).toUpperCase() + propName.slice(1); - for (var i = 0, l = prefixes.length; i < l; i++) { - prefixed = prefixes[i] + uPropName; - if (typeof style[prefixed] === 'string') { - return _cache[propName] = prefixed; - } - } - return _cache[propName] = 'undefined'; - }; - CustomStyle.setProp = function set(propName, element, str) { - var prop = this.getProp(propName); - if (prop !== 'undefined') { - element.style[prop] = str; - } - }; - return CustomStyle; -}(); -var RenderingCancelledException = function RenderingCancelledException() { - function RenderingCancelledException(msg, type) { - this.message = msg; - this.type = type; +"use strict"; + + +var global = __w_pdfjs_require__(8); +var core = __w_pdfjs_require__(9); +var hide = __w_pdfjs_require__(10); +var redefine = __w_pdfjs_require__(20); +var ctx = __w_pdfjs_require__(23); +var PROTOTYPE = 'prototype'; +var $export = function $export(type, name, source) { + var IS_FORCED = type & $export.F; + var IS_GLOBAL = type & $export.G; + var IS_STATIC = type & $export.S; + var IS_PROTO = type & $export.P; + var IS_BIND = type & $export.B; + var target = IS_GLOBAL ? global : IS_STATIC ? global[name] || (global[name] = {}) : (global[name] || {})[PROTOTYPE]; + var exports = IS_GLOBAL ? core : core[name] || (core[name] = {}); + var expProto = exports[PROTOTYPE] || (exports[PROTOTYPE] = {}); + var key, own, out, exp; + if (IS_GLOBAL) source = name; + for (key in source) { + own = !IS_FORCED && target && target[key] !== undefined; + out = (own ? target : source)[key]; + exp = IS_BIND && own ? ctx(out, global) : IS_PROTO && typeof out == 'function' ? ctx(Function.call, out) : out; + if (target) redefine(target, key, out, type & $export.U); + if (exports[key] != out) hide(exports, key, exp); + if (IS_PROTO && expProto[key] != out) expProto[key] = out; } - RenderingCancelledException.prototype = new Error(); - RenderingCancelledException.prototype.name = 'RenderingCancelledException'; - RenderingCancelledException.constructor = RenderingCancelledException; - return RenderingCancelledException; -}(); -var LinkTarget = { - NONE: 0, - SELF: 1, - BLANK: 2, - PARENT: 3, - TOP: 4 }; -var LinkTargetStringMap = ['', '_self', '_blank', '_parent', '_top']; -function addLinkAttributes(link, params) { - var url = params && params.url; - link.href = link.title = url ? (0, _util.removeNullCharacters)(url) : ''; - if (url) { - var target = params.target; - if (typeof target === 'undefined') { - target = getDefaultSetting('externalLinkTarget'); - } - link.target = LinkTargetStringMap[target]; - var rel = params.rel; - if (typeof rel === 'undefined') { - rel = getDefaultSetting('externalLinkRel'); - } - link.rel = rel; - } -} -function getFilenameFromUrl(url) { - var anchor = url.indexOf('#'); - var query = url.indexOf('?'); - var end = Math.min(anchor > 0 ? anchor : url.length, query > 0 ? query : url.length); - return url.substring(url.lastIndexOf('/', end) + 1, end); -} -function getDefaultSetting(id) { - var globalSettings = _util.globalScope.PDFJS; - switch (id) { - case 'pdfBug': - return globalSettings ? globalSettings.pdfBug : false; - case 'disableAutoFetch': - return globalSettings ? globalSettings.disableAutoFetch : false; - case 'disableStream': - return globalSettings ? globalSettings.disableStream : false; - case 'disableRange': - return globalSettings ? globalSettings.disableRange : false; - case 'disableFontFace': - return globalSettings ? globalSettings.disableFontFace : false; - case 'disableCreateObjectURL': - return globalSettings ? globalSettings.disableCreateObjectURL : false; - case 'disableWebGL': - return globalSettings ? globalSettings.disableWebGL : true; - case 'cMapUrl': - return globalSettings ? globalSettings.cMapUrl : null; - case 'cMapPacked': - return globalSettings ? globalSettings.cMapPacked : false; - case 'postMessageTransfers': - return globalSettings ? globalSettings.postMessageTransfers : true; - case 'workerPort': - return globalSettings ? globalSettings.workerPort : null; - case 'workerSrc': - return globalSettings ? globalSettings.workerSrc : null; - case 'disableWorker': - return globalSettings ? globalSettings.disableWorker : false; - case 'maxImageSize': - return globalSettings ? globalSettings.maxImageSize : -1; - case 'imageResourcesPath': - return globalSettings ? globalSettings.imageResourcesPath : ''; - case 'isEvalSupported': - return globalSettings ? globalSettings.isEvalSupported : true; - case 'externalLinkTarget': - if (!globalSettings) { - return LinkTarget.NONE; - } - switch (globalSettings.externalLinkTarget) { - case LinkTarget.NONE: - case LinkTarget.SELF: - case LinkTarget.BLANK: - case LinkTarget.PARENT: - case LinkTarget.TOP: - return globalSettings.externalLinkTarget; - } - (0, _util.warn)('PDFJS.externalLinkTarget is invalid: ' + globalSettings.externalLinkTarget); - globalSettings.externalLinkTarget = LinkTarget.NONE; - return LinkTarget.NONE; - case 'externalLinkRel': - return globalSettings ? globalSettings.externalLinkRel : DEFAULT_LINK_REL; - case 'enableStats': - return !!(globalSettings && globalSettings.enableStats); - case 'pdfjsNext': - return !!(globalSettings && globalSettings.pdfjsNext); - default: - throw new Error('Unknown default setting: ' + id); - } -} -function isExternalLinkTargetSet() { - var externalLinkTarget = getDefaultSetting('externalLinkTarget'); - switch (externalLinkTarget) { - case LinkTarget.NONE: - return false; - case LinkTarget.SELF: - case LinkTarget.BLANK: - case LinkTarget.PARENT: - case LinkTarget.TOP: - return true; - } -} -function isValidUrl(url, allowRelative) { - (0, _util.deprecated)('isValidUrl(), please use createValidAbsoluteUrl() instead.'); - var baseUrl = allowRelative ? 'http://example.com' : null; - return (0, _util.createValidAbsoluteUrl)(url, baseUrl) !== null; -} -exports.CustomStyle = CustomStyle; -exports.RenderingCancelledException = RenderingCancelledException; -exports.addLinkAttributes = addLinkAttributes; -exports.isExternalLinkTargetSet = isExternalLinkTargetSet; -exports.isValidUrl = isValidUrl; -exports.getFilenameFromUrl = getFilenameFromUrl; -exports.LinkTarget = LinkTarget; -exports.getDefaultSetting = getDefaultSetting; -exports.DEFAULT_LINK_REL = DEFAULT_LINK_REL; -exports.DOMCanvasFactory = DOMCanvasFactory; -exports.DOMCMapReaderFactory = DOMCMapReaderFactory; +global.core = core; +$export.F = 1; +$export.G = 2; +$export.S = 4; +$export.P = 8; +$export.B = 16; +$export.W = 32; +$export.U = 64; +$export.R = 128; +module.exports = $export; /***/ }), -/* 2 */ +/* 8 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; -Object.defineProperty(exports, "__esModule", { - value: true -}); -exports.build = exports.version = exports._UnsupportedManager = exports.setPDFNetworkStreamClass = exports.PDFPageProxy = exports.PDFDocumentProxy = exports.PDFWorker = exports.PDFDataRangeTransport = exports.LoopbackPort = exports.getDocument = undefined; +var global = module.exports = typeof window != 'undefined' && window.Math == Math ? window : typeof self != 'undefined' && self.Math == Math ? self : Function('return this')(); +if (typeof __g == 'number') __g = global; -var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }(); +/***/ }), +/* 9 */ +/***/ (function(module, exports, __w_pdfjs_require__) { -var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; +"use strict"; -var _util = __w_pdfjs_require__(0); -var _dom_utils = __w_pdfjs_require__(1); +var core = module.exports = { version: '2.5.7' }; +if (typeof __e == 'number') __e = core; -var _font_loader = __w_pdfjs_require__(12); +/***/ }), +/* 10 */ +/***/ (function(module, exports, __w_pdfjs_require__) { -var _canvas = __w_pdfjs_require__(11); +"use strict"; -var _metadata = __w_pdfjs_require__(6); -var _transport_stream = __w_pdfjs_require__(14); +var dP = __w_pdfjs_require__(11); +var createDesc = __w_pdfjs_require__(19); +module.exports = __w_pdfjs_require__(15) ? function (object, key, value) { + return dP.f(object, key, createDesc(1, value)); +} : function (object, key, value) { + object[key] = value; + return object; +}; -function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } +/***/ }), +/* 11 */ +/***/ (function(module, exports, __w_pdfjs_require__) { -var DEFAULT_RANGE_CHUNK_SIZE = 65536; -var isWorkerDisabled = false; -var workerSrc; -var isPostMessageTransfersDisabled = false; -var pdfjsFilePath = typeof document !== 'undefined' && document.currentScript ? document.currentScript.src : null; -var fakeWorkerFilesLoader = null; -var useRequireEnsure = false; -{ - if (typeof window === 'undefined') { - isWorkerDisabled = true; - if (typeof require.ensure === 'undefined') { - require.ensure = require('node-ensure'); - } - useRequireEnsure = true; - } else if (typeof require !== 'undefined' && typeof require.ensure === 'function') { - useRequireEnsure = true; - } - if (typeof requirejs !== 'undefined' && requirejs.toUrl) { - workerSrc = requirejs.toUrl('pdfjs-dist/build/pdf.worker.js'); - } - var dynamicLoaderSupported = typeof requirejs !== 'undefined' && requirejs.load; - fakeWorkerFilesLoader = useRequireEnsure ? function (callback) { - require.ensure([], function () { - var worker; - worker = require('./pdf.worker.js'); - callback(worker.WorkerMessageHandler); - }); - } : dynamicLoaderSupported ? function (callback) { - requirejs(['pdfjs-dist/build/pdf.worker'], function (worker) { - callback(worker.WorkerMessageHandler); - }); - } : null; -} -var PDFNetworkStream; -function setPDFNetworkStreamClass(cls) { - PDFNetworkStream = cls; -} -function getDocument(src, pdfDataRangeTransport, passwordCallback, progressCallback) { - var task = new PDFDocumentLoadingTask(); - if (arguments.length > 1) { - (0, _util.deprecated)('getDocument is called with pdfDataRangeTransport, ' + 'passwordCallback or progressCallback argument'); - } - if (pdfDataRangeTransport) { - if (!(pdfDataRangeTransport instanceof PDFDataRangeTransport)) { - pdfDataRangeTransport = Object.create(pdfDataRangeTransport); - pdfDataRangeTransport.length = src.length; - pdfDataRangeTransport.initialData = src.initialData; - if (!pdfDataRangeTransport.abort) { - pdfDataRangeTransport.abort = function () {}; - } - } - src = Object.create(src); - src.range = pdfDataRangeTransport; - } - task.onPassword = passwordCallback || null; - task.onProgress = progressCallback || null; - var source; - if (typeof src === 'string') { - source = { url: src }; - } else if ((0, _util.isArrayBuffer)(src)) { - source = { data: src }; - } else if (src instanceof PDFDataRangeTransport) { - source = { range: src }; - } else { - if ((typeof src === 'undefined' ? 'undefined' : _typeof(src)) !== 'object') { - throw new Error('Invalid parameter in getDocument, ' + 'need either Uint8Array, string or a parameter object'); - } - if (!src.url && !src.data && !src.range) { - throw new Error('Invalid parameter object: need either .data, .range or .url'); - } - source = src; - } - var params = {}; - var rangeTransport = null; - var worker = null; - var CMapReaderFactory = _dom_utils.DOMCMapReaderFactory; - for (var key in source) { - if (key === 'url' && typeof window !== 'undefined') { - params[key] = new URL(source[key], window.location).href; - continue; - } else if (key === 'range') { - rangeTransport = source[key]; - continue; - } else if (key === 'worker') { - worker = source[key]; - continue; - } else if (key === 'data' && !(source[key] instanceof Uint8Array)) { - var pdfBytes = source[key]; - if (typeof pdfBytes === 'string') { - params[key] = (0, _util.stringToBytes)(pdfBytes); - } else if ((typeof pdfBytes === 'undefined' ? 'undefined' : _typeof(pdfBytes)) === 'object' && pdfBytes !== null && !isNaN(pdfBytes.length)) { - params[key] = new Uint8Array(pdfBytes); - } else if ((0, _util.isArrayBuffer)(pdfBytes)) { - params[key] = new Uint8Array(pdfBytes); - } else { - throw new Error('Invalid PDF binary data: either typed array, ' + 'string or array-like object is expected in the ' + 'data property.'); - } - continue; - } else if (key === 'CMapReaderFactory') { - CMapReaderFactory = source[key]; - continue; - } - params[key] = source[key]; - } - params.rangeChunkSize = params.rangeChunkSize || DEFAULT_RANGE_CHUNK_SIZE; - params.ignoreErrors = params.stopAtErrors !== true; - if (params.disableNativeImageDecoder !== undefined) { - (0, _util.deprecated)('parameter disableNativeImageDecoder, ' + 'use nativeImageDecoderSupport instead'); - } - params.nativeImageDecoderSupport = params.nativeImageDecoderSupport || (params.disableNativeImageDecoder === true ? _util.NativeImageDecoding.NONE : _util.NativeImageDecoding.DECODE); - if (params.nativeImageDecoderSupport !== _util.NativeImageDecoding.DECODE && params.nativeImageDecoderSupport !== _util.NativeImageDecoding.NONE && params.nativeImageDecoderSupport !== _util.NativeImageDecoding.DISPLAY) { - (0, _util.warn)('Invalid parameter nativeImageDecoderSupport: ' + 'need a state of enum {NativeImageDecoding}'); - params.nativeImageDecoderSupport = _util.NativeImageDecoding.DECODE; - } - if (!worker) { - var workerPort = (0, _dom_utils.getDefaultSetting)('workerPort'); - worker = workerPort ? PDFWorker.fromPort(workerPort) : new PDFWorker(); - task._worker = worker; - } - var docId = task.docId; - worker.promise.then(function () { - if (task.destroyed) { - throw new Error('Loading aborted'); - } - return _fetchDocument(worker, params, rangeTransport, docId).then(function (workerId) { - if (task.destroyed) { - throw new Error('Loading aborted'); - } - var networkStream = void 0; - if (rangeTransport) { - networkStream = new _transport_stream.PDFDataTransportStream(params, rangeTransport); - } else if (!params.data) { - networkStream = new PDFNetworkStream({ - source: params, - disableRange: (0, _dom_utils.getDefaultSetting)('disableRange') - }); - } - var messageHandler = new _util.MessageHandler(docId, workerId, worker.port); - messageHandler.postMessageTransfers = worker.postMessageTransfers; - var transport = new WorkerTransport(messageHandler, task, networkStream, CMapReaderFactory); - task._transport = transport; - messageHandler.send('Ready', null); - }); - }).catch(task._capability.reject); - return task; -} -function _fetchDocument(worker, source, pdfDataRangeTransport, docId) { - if (worker.destroyed) { - return Promise.reject(new Error('Worker was destroyed')); - } - source.disableAutoFetch = (0, _dom_utils.getDefaultSetting)('disableAutoFetch'); - source.disableStream = (0, _dom_utils.getDefaultSetting)('disableStream'); - source.chunkedViewerLoading = !!pdfDataRangeTransport; - if (pdfDataRangeTransport) { - source.length = pdfDataRangeTransport.length; - source.initialData = pdfDataRangeTransport.initialData; - } - return worker.messageHandler.sendWithPromise('GetDocRequest', { - docId: docId, - source: { - data: source.data, - url: source.url, - password: source.password, - disableAutoFetch: source.disableAutoFetch, - rangeChunkSize: source.rangeChunkSize, - length: source.length - }, - maxImageSize: (0, _dom_utils.getDefaultSetting)('maxImageSize'), - disableFontFace: (0, _dom_utils.getDefaultSetting)('disableFontFace'), - disableCreateObjectURL: (0, _dom_utils.getDefaultSetting)('disableCreateObjectURL'), - postMessageTransfers: (0, _dom_utils.getDefaultSetting)('postMessageTransfers') && !isPostMessageTransfersDisabled, - docBaseUrl: source.docBaseUrl, - nativeImageDecoderSupport: source.nativeImageDecoderSupport, - ignoreErrors: source.ignoreErrors - }).then(function (workerId) { - if (worker.destroyed) { - throw new Error('Worker was destroyed'); +"use strict"; + + +var anObject = __w_pdfjs_require__(12); +var IE8_DOM_DEFINE = __w_pdfjs_require__(14); +var toPrimitive = __w_pdfjs_require__(18); +var dP = Object.defineProperty; +exports.f = __w_pdfjs_require__(15) ? Object.defineProperty : function defineProperty(O, P, Attributes) { + anObject(O); + P = toPrimitive(P, true); + anObject(Attributes); + if (IE8_DOM_DEFINE) try { + return dP(O, P, Attributes); + } catch (e) {} + if ('get' in Attributes || 'set' in Attributes) throw TypeError('Accessors not supported!'); + if ('value' in Attributes) O[P] = Attributes.value; + return O; +}; + +/***/ }), +/* 12 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +var isObject = __w_pdfjs_require__(13); +module.exports = function (it) { + if (!isObject(it)) throw TypeError(it + ' is not an object!'); + return it; +}; + +/***/ }), +/* 13 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; + +module.exports = function (it) { + return (typeof it === 'undefined' ? 'undefined' : _typeof(it)) === 'object' ? it !== null : typeof it === 'function'; +}; + +/***/ }), +/* 14 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +module.exports = !__w_pdfjs_require__(15) && !__w_pdfjs_require__(16)(function () { + return Object.defineProperty(__w_pdfjs_require__(17)('div'), 'a', { + get: function get() { + return 7; } - return workerId; - }); -} -var PDFDocumentLoadingTask = function PDFDocumentLoadingTaskClosure() { - var nextDocumentId = 0; - function PDFDocumentLoadingTask() { - this._capability = (0, _util.createPromiseCapability)(); - this._transport = null; - this._worker = null; - this.docId = 'd' + nextDocumentId++; - this.destroyed = false; - this.onPassword = null; - this.onProgress = null; - this.onUnsupportedFeature = null; - } - PDFDocumentLoadingTask.prototype = { - get promise() { - return this._capability.promise; - }, - destroy: function destroy() { - var _this = this; + }).a != 7; +}); - this.destroyed = true; - var transportDestroyed = !this._transport ? Promise.resolve() : this._transport.destroy(); - return transportDestroyed.then(function () { - _this._transport = null; - if (_this._worker) { - _this._worker.destroy(); - _this._worker = null; - } - }); - }, +/***/ }), +/* 15 */ +/***/ (function(module, exports, __w_pdfjs_require__) { - then: function PDFDocumentLoadingTask_then(onFulfilled, onRejected) { - return this.promise.then.apply(this.promise, arguments); +"use strict"; + + +module.exports = !__w_pdfjs_require__(16)(function () { + return Object.defineProperty({}, 'a', { + get: function get() { + return 7; } - }; - return PDFDocumentLoadingTask; -}(); -var PDFDataRangeTransport = function pdfDataRangeTransportClosure() { - function PDFDataRangeTransport(length, initialData) { - this.length = length; - this.initialData = initialData; - this._rangeListeners = []; - this._progressListeners = []; - this._progressiveReadListeners = []; - this._readyCapability = (0, _util.createPromiseCapability)(); + }).a != 7; +}); + +/***/ }), +/* 16 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +module.exports = function (exec) { + try { + return !!exec(); + } catch (e) { + return true; } - PDFDataRangeTransport.prototype = { - addRangeListener: function PDFDataRangeTransport_addRangeListener(listener) { - this._rangeListeners.push(listener); - }, - addProgressListener: function PDFDataRangeTransport_addProgressListener(listener) { - this._progressListeners.push(listener); - }, - addProgressiveReadListener: function PDFDataRangeTransport_addProgressiveReadListener(listener) { - this._progressiveReadListeners.push(listener); - }, - onDataRange: function PDFDataRangeTransport_onDataRange(begin, chunk) { - var listeners = this._rangeListeners; - for (var i = 0, n = listeners.length; i < n; ++i) { - listeners[i](begin, chunk); - } - }, - onDataProgress: function PDFDataRangeTransport_onDataProgress(loaded) { - var _this2 = this; +}; - this._readyCapability.promise.then(function () { - var listeners = _this2._progressListeners; - for (var i = 0, n = listeners.length; i < n; ++i) { - listeners[i](loaded); - } - }); - }, - onDataProgressiveRead: function PDFDataRangeTransport_onDataProgress(chunk) { - var _this3 = this; +/***/ }), +/* 17 */ +/***/ (function(module, exports, __w_pdfjs_require__) { - this._readyCapability.promise.then(function () { - var listeners = _this3._progressiveReadListeners; - for (var i = 0, n = listeners.length; i < n; ++i) { - listeners[i](chunk); - } - }); - }, - transportReady: function PDFDataRangeTransport_transportReady() { - this._readyCapability.resolve(); - }, - requestDataRange: function PDFDataRangeTransport_requestDataRange(begin, end) { - throw new Error('Abstract method PDFDataRangeTransport.requestDataRange'); - }, - abort: function PDFDataRangeTransport_abort() {} +"use strict"; + + +var isObject = __w_pdfjs_require__(13); +var document = __w_pdfjs_require__(8).document; +var is = isObject(document) && isObject(document.createElement); +module.exports = function (it) { + return is ? document.createElement(it) : {}; +}; + +/***/ }), +/* 18 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +var isObject = __w_pdfjs_require__(13); +module.exports = function (it, S) { + if (!isObject(it)) return it; + var fn, val; + if (S && typeof (fn = it.toString) == 'function' && !isObject(val = fn.call(it))) return val; + if (typeof (fn = it.valueOf) == 'function' && !isObject(val = fn.call(it))) return val; + if (!S && typeof (fn = it.toString) == 'function' && !isObject(val = fn.call(it))) return val; + throw TypeError("Can't convert object to primitive value"); +}; + +/***/ }), +/* 19 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +module.exports = function (bitmap, value) { + return { + enumerable: !(bitmap & 1), + configurable: !(bitmap & 2), + writable: !(bitmap & 4), + value: value }; - return PDFDataRangeTransport; -}(); -var PDFDocumentProxy = function PDFDocumentProxyClosure() { - function PDFDocumentProxy(pdfInfo, transport, loadingTask) { - this.pdfInfo = pdfInfo; - this.transport = transport; - this.loadingTask = loadingTask; +}; + +/***/ }), +/* 20 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +var global = __w_pdfjs_require__(8); +var hide = __w_pdfjs_require__(10); +var has = __w_pdfjs_require__(21); +var SRC = __w_pdfjs_require__(22)('src'); +var TO_STRING = 'toString'; +var $toString = Function[TO_STRING]; +var TPL = ('' + $toString).split(TO_STRING); +__w_pdfjs_require__(9).inspectSource = function (it) { + return $toString.call(it); +}; +(module.exports = function (O, key, val, safe) { + var isFunction = typeof val == 'function'; + if (isFunction) has(val, 'name') || hide(val, 'name', key); + if (O[key] === val) return; + if (isFunction) has(val, SRC) || hide(val, SRC, O[key] ? '' + O[key] : TPL.join(String(key))); + if (O === global) { + O[key] = val; + } else if (!safe) { + delete O[key]; + hide(O, key, val); + } else if (O[key]) { + O[key] = val; + } else { + hide(O, key, val); } - PDFDocumentProxy.prototype = { - get numPages() { - return this.pdfInfo.numPages; - }, - get fingerprint() { - return this.pdfInfo.fingerprint; - }, - getPage: function PDFDocumentProxy_getPage(pageNumber) { - return this.transport.getPage(pageNumber); - }, - getPageIndex: function PDFDocumentProxy_getPageIndex(ref) { - return this.transport.getPageIndex(ref); - }, - getDestinations: function PDFDocumentProxy_getDestinations() { - return this.transport.getDestinations(); - }, - getDestination: function PDFDocumentProxy_getDestination(id) { - return this.transport.getDestination(id); - }, - getPageLabels: function PDFDocumentProxy_getPageLabels() { - return this.transport.getPageLabels(); - }, - getPageMode: function getPageMode() { - return this.transport.getPageMode(); - }, +})(Function.prototype, TO_STRING, function toString() { + return typeof this == 'function' && this[SRC] || $toString.call(this); +}); - getAttachments: function PDFDocumentProxy_getAttachments() { - return this.transport.getAttachments(); - }, - getJavaScript: function PDFDocumentProxy_getJavaScript() { - return this.transport.getJavaScript(); - }, - getOutline: function PDFDocumentProxy_getOutline() { - return this.transport.getOutline(); - }, - getMetadata: function PDFDocumentProxy_getMetadata() { - return this.transport.getMetadata(); - }, - getData: function PDFDocumentProxy_getData() { - return this.transport.getData(); - }, - getDownloadInfo: function PDFDocumentProxy_getDownloadInfo() { - return this.transport.downloadInfoCapability.promise; - }, - getStats: function PDFDocumentProxy_getStats() { - return this.transport.getStats(); - }, - cleanup: function PDFDocumentProxy_cleanup() { - this.transport.startCleanup(); - }, - destroy: function PDFDocumentProxy_destroy() { - return this.loadingTask.destroy(); - } - }; - return PDFDocumentProxy; -}(); -var PDFPageProxy = function PDFPageProxyClosure() { - function PDFPageProxy(pageIndex, pageInfo, transport) { - this.pageIndex = pageIndex; - this.pageInfo = pageInfo; - this.transport = transport; - this.stats = new _util.StatTimer(); - this.stats.enabled = (0, _dom_utils.getDefaultSetting)('enableStats'); - this.commonObjs = transport.commonObjs; - this.objs = new PDFObjects(); - this.cleanupAfterRender = false; - this.pendingCleanup = false; - this.intentStates = Object.create(null); - this.destroyed = false; - } - PDFPageProxy.prototype = { - get pageNumber() { - return this.pageIndex + 1; - }, - get rotate() { - return this.pageInfo.rotate; - }, - get ref() { - return this.pageInfo.ref; - }, - get userUnit() { - return this.pageInfo.userUnit; - }, - get view() { - return this.pageInfo.view; - }, - getViewport: function PDFPageProxy_getViewport(scale, rotate) { - if (arguments.length < 2) { - rotate = this.rotate; - } - return new _util.PageViewport(this.view, scale, rotate, 0, 0); - }, - getAnnotations: function PDFPageProxy_getAnnotations(params) { - var intent = params && params.intent || null; - if (!this.annotationsPromise || this.annotationsIntent !== intent) { - this.annotationsPromise = this.transport.getAnnotations(this.pageIndex, intent); - this.annotationsIntent = intent; - } - return this.annotationsPromise; - }, - render: function PDFPageProxy_render(params) { - var _this4 = this; +/***/ }), +/* 21 */ +/***/ (function(module, exports, __w_pdfjs_require__) { - var stats = this.stats; - stats.time('Overall'); - this.pendingCleanup = false; - var renderingIntent = params.intent === 'print' ? 'print' : 'display'; - var canvasFactory = params.canvasFactory || new _dom_utils.DOMCanvasFactory(); - if (!this.intentStates[renderingIntent]) { - this.intentStates[renderingIntent] = Object.create(null); - } - var intentState = this.intentStates[renderingIntent]; - if (!intentState.displayReadyCapability) { - intentState.receivingOperatorList = true; - intentState.displayReadyCapability = (0, _util.createPromiseCapability)(); - intentState.operatorList = { - fnArray: [], - argsArray: [], - lastChunk: false - }; - this.stats.time('Page Request'); - this.transport.messageHandler.send('RenderPageRequest', { - pageIndex: this.pageNumber - 1, - intent: renderingIntent, - renderInteractiveForms: params.renderInteractiveForms === true - }); - } - var complete = function complete(error) { - var i = intentState.renderTasks.indexOf(internalRenderTask); - if (i >= 0) { - intentState.renderTasks.splice(i, 1); - } - if (_this4.cleanupAfterRender) { - _this4.pendingCleanup = true; - } - _this4._tryCleanup(); - if (error) { - internalRenderTask.capability.reject(error); - } else { - internalRenderTask.capability.resolve(); - } - stats.timeEnd('Rendering'); - stats.timeEnd('Overall'); - }; - var internalRenderTask = new InternalRenderTask(complete, params, this.objs, this.commonObjs, intentState.operatorList, this.pageNumber, canvasFactory); - internalRenderTask.useRequestAnimationFrame = renderingIntent !== 'print'; - if (!intentState.renderTasks) { - intentState.renderTasks = []; - } - intentState.renderTasks.push(internalRenderTask); - var renderTask = internalRenderTask.task; - if (params.continueCallback) { - (0, _util.deprecated)('render is used with continueCallback parameter'); - renderTask.onContinue = params.continueCallback; - } - intentState.displayReadyCapability.promise.then(function (transparency) { - if (_this4.pendingCleanup) { - complete(); - return; - } - stats.time('Rendering'); - internalRenderTask.initializeGraphics(transparency); - internalRenderTask.operatorListChanged(); - }).catch(complete); - return renderTask; - }, - getOperatorList: function PDFPageProxy_getOperatorList() { - function operatorListChanged() { - if (intentState.operatorList.lastChunk) { - intentState.opListReadCapability.resolve(intentState.operatorList); - var i = intentState.renderTasks.indexOf(opListTask); - if (i >= 0) { - intentState.renderTasks.splice(i, 1); - } - } - } - var renderingIntent = 'oplist'; - if (!this.intentStates[renderingIntent]) { - this.intentStates[renderingIntent] = Object.create(null); - } - var intentState = this.intentStates[renderingIntent]; - var opListTask; - if (!intentState.opListReadCapability) { - opListTask = {}; - opListTask.operatorListChanged = operatorListChanged; - intentState.receivingOperatorList = true; - intentState.opListReadCapability = (0, _util.createPromiseCapability)(); - intentState.renderTasks = []; - intentState.renderTasks.push(opListTask); - intentState.operatorList = { - fnArray: [], - argsArray: [], - lastChunk: false - }; - this.transport.messageHandler.send('RenderPageRequest', { - pageIndex: this.pageIndex, - intent: renderingIntent - }); - } - return intentState.opListReadCapability.promise; - }, - streamTextContent: function streamTextContent() { - var params = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {}; +"use strict"; - var TEXT_CONTENT_CHUNK_SIZE = 100; - return this.transport.messageHandler.sendWithStream('GetTextContent', { - pageIndex: this.pageNumber - 1, - normalizeWhitespace: params.normalizeWhitespace === true, - combineTextItems: params.disableCombineTextItems !== true - }, { - highWaterMark: TEXT_CONTENT_CHUNK_SIZE, - size: function size(textContent) { - return textContent.items.length; - } - }); - }, - getTextContent: function PDFPageProxy_getTextContent(params) { - params = params || {}; - var readableStream = this.streamTextContent(params); - return new Promise(function (resolve, reject) { - function pump() { - reader.read().then(function (_ref) { - var value = _ref.value, - done = _ref.done; +var hasOwnProperty = {}.hasOwnProperty; +module.exports = function (it, key) { + return hasOwnProperty.call(it, key); +}; - if (done) { - resolve(textContent); - return; - } - _util.Util.extendObj(textContent.styles, value.styles); - _util.Util.appendToArray(textContent.items, value.items); - pump(); - }, reject); - } - var reader = readableStream.getReader(); - var textContent = { - items: [], - styles: Object.create(null) - }; - pump(); - }); - }, - _destroy: function PDFPageProxy_destroy() { - this.destroyed = true; - this.transport.pageCache[this.pageIndex] = null; - var waitOn = []; - Object.keys(this.intentStates).forEach(function (intent) { - if (intent === 'oplist') { - return; - } - var intentState = this.intentStates[intent]; - intentState.renderTasks.forEach(function (renderTask) { - var renderCompleted = renderTask.capability.promise.catch(function () {}); - waitOn.push(renderCompleted); - renderTask.cancel(); - }); - }, this); - this.objs.clear(); - this.annotationsPromise = null; - this.pendingCleanup = false; - return Promise.all(waitOn); - }, - destroy: function destroy() { - (0, _util.deprecated)('page destroy method, use cleanup() instead'); - this.cleanup(); - }, +/***/ }), +/* 22 */ +/***/ (function(module, exports, __w_pdfjs_require__) { - cleanup: function PDFPageProxy_cleanup() { - this.pendingCleanup = true; - this._tryCleanup(); - }, - _tryCleanup: function PDFPageProxy_tryCleanup() { - if (!this.pendingCleanup || Object.keys(this.intentStates).some(function (intent) { - var intentState = this.intentStates[intent]; - return intentState.renderTasks.length !== 0 || intentState.receivingOperatorList; - }, this)) { - return; - } - Object.keys(this.intentStates).forEach(function (intent) { - delete this.intentStates[intent]; - }, this); - this.objs.clear(); - this.annotationsPromise = null; - this.pendingCleanup = false; - }, - _startRenderPage: function PDFPageProxy_startRenderPage(transparency, intent) { - var intentState = this.intentStates[intent]; - if (intentState.displayReadyCapability) { - intentState.displayReadyCapability.resolve(transparency); - } - }, - _renderPageChunk: function PDFPageProxy_renderPageChunk(operatorListChunk, intent) { - var intentState = this.intentStates[intent]; - var i, ii; - for (i = 0, ii = operatorListChunk.length; i < ii; i++) { - intentState.operatorList.fnArray.push(operatorListChunk.fnArray[i]); - intentState.operatorList.argsArray.push(operatorListChunk.argsArray[i]); - } - intentState.operatorList.lastChunk = operatorListChunk.lastChunk; - for (i = 0; i < intentState.renderTasks.length; i++) { - intentState.renderTasks[i].operatorListChanged(); - } - if (operatorListChunk.lastChunk) { - intentState.receivingOperatorList = false; - this._tryCleanup(); - } - } - }; - return PDFPageProxy; -}(); +"use strict"; -var LoopbackPort = function () { - function LoopbackPort(defer) { - _classCallCheck(this, LoopbackPort); - this._listeners = []; - this._defer = defer; - this._deferred = Promise.resolve(undefined); - } +var id = 0; +var px = Math.random(); +module.exports = function (key) { + return 'Symbol('.concat(key === undefined ? '' : key, ')_', (++id + px).toString(36)); +}; - _createClass(LoopbackPort, [{ - key: 'postMessage', - value: function postMessage(obj, transfers) { - var _this5 = this; +/***/ }), +/* 23 */ +/***/ (function(module, exports, __w_pdfjs_require__) { - function cloneValue(value) { - if ((typeof value === 'undefined' ? 'undefined' : _typeof(value)) !== 'object' || value === null) { - return value; - } - if (cloned.has(value)) { - return cloned.get(value); - } - var result; - var buffer; - if ((buffer = value.buffer) && (0, _util.isArrayBuffer)(buffer)) { - var transferable = transfers && transfers.indexOf(buffer) >= 0; - if (value === buffer) { - result = value; - } else if (transferable) { - result = new value.constructor(buffer, value.byteOffset, value.byteLength); - } else { - result = new value.constructor(value); - } - cloned.set(value, result); - return result; - } - result = (0, _util.isArray)(value) ? [] : {}; - cloned.set(value, result); - for (var i in value) { - var desc, - p = value; - while (!(desc = Object.getOwnPropertyDescriptor(p, i))) { - p = Object.getPrototypeOf(p); - } - if (typeof desc.value === 'undefined' || typeof desc.value === 'function') { - continue; - } - result[i] = cloneValue(desc.value); - } - return result; - } - if (!this._defer) { - this._listeners.forEach(function (listener) { - listener.call(this, { data: obj }); - }, this); - return; - } - var cloned = new WeakMap(); - var e = { data: cloneValue(obj) }; - this._deferred.then(function () { - _this5._listeners.forEach(function (listener) { - listener.call(this, e); - }, _this5); - }); - } - }, { - key: 'addEventListener', - value: function addEventListener(name, listener) { - this._listeners.push(listener); - } - }, { - key: 'removeEventListener', - value: function removeEventListener(name, listener) { - var i = this._listeners.indexOf(listener); - this._listeners.splice(i, 1); - } - }, { - key: 'terminate', - value: function terminate() { - this._listeners = []; - } - }]); +"use strict"; - return LoopbackPort; -}(); -var PDFWorker = function PDFWorkerClosure() { - var nextFakeWorkerId = 0; - function getWorkerSrc() { - if (typeof workerSrc !== 'undefined') { - return workerSrc; - } - if ((0, _dom_utils.getDefaultSetting)('workerSrc')) { - return (0, _dom_utils.getDefaultSetting)('workerSrc'); - } - if (pdfjsFilePath) { - return pdfjsFilePath.replace(/(\.(?:min\.)?js)(\?.*)?$/i, '.worker$1$2'); - } - throw new Error('No PDFJS.workerSrc specified'); - } - var fakeWorkerFilesLoadedCapability = void 0; - function setupFakeWorkerGlobal() { - var WorkerMessageHandler; - if (fakeWorkerFilesLoadedCapability) { - return fakeWorkerFilesLoadedCapability.promise; - } - fakeWorkerFilesLoadedCapability = (0, _util.createPromiseCapability)(); - var loader = fakeWorkerFilesLoader || function (callback) { - _util.Util.loadScript(getWorkerSrc(), function () { - callback(window.pdfjsDistBuildPdfWorker.WorkerMessageHandler); - }); - }; - loader(fakeWorkerFilesLoadedCapability.resolve); - return fakeWorkerFilesLoadedCapability.promise; - } - function createCDNWrapper(url) { - var wrapper = 'importScripts(\'' + url + '\');'; - return URL.createObjectURL(new Blob([wrapper])); - } - var pdfWorkerPorts = new WeakMap(); - function PDFWorker(name, port) { - if (port && pdfWorkerPorts.has(port)) { - throw new Error('Cannot use more than one PDFWorker per port'); - } - this.name = name; - this.destroyed = false; - this.postMessageTransfers = true; - this._readyCapability = (0, _util.createPromiseCapability)(); - this._port = null; - this._webWorker = null; - this._messageHandler = null; - if (port) { - pdfWorkerPorts.set(port, this); - this._initializeFromPort(port); - return; - } - this._initialize(); +var aFunction = __w_pdfjs_require__(24); +module.exports = function (fn, that, length) { + aFunction(fn); + if (that === undefined) return fn; + switch (length) { + case 1: + return function (a) { + return fn.call(that, a); + }; + case 2: + return function (a, b) { + return fn.call(that, a, b); + }; + case 3: + return function (a, b, c) { + return fn.call(that, a, b, c); + }; } - PDFWorker.prototype = { - get promise() { - return this._readyCapability.promise; - }, - get port() { - return this._port; - }, - get messageHandler() { - return this._messageHandler; - }, - _initializeFromPort: function PDFWorker_initializeFromPort(port) { - this._port = port; - this._messageHandler = new _util.MessageHandler('main', 'worker', port); - this._messageHandler.on('ready', function () {}); - this._readyCapability.resolve(); - }, - _initialize: function PDFWorker_initialize() { - var _this6 = this; + return function () { + return fn.apply(that, arguments); + }; +}; - if (!isWorkerDisabled && !(0, _dom_utils.getDefaultSetting)('disableWorker') && typeof Worker !== 'undefined') { - var workerSrc = getWorkerSrc(); - try { - if (!(0, _util.isSameOrigin)(window.location.href, workerSrc)) { - workerSrc = createCDNWrapper(new URL(workerSrc, window.location).href); - } - var worker = new Worker(workerSrc); - var messageHandler = new _util.MessageHandler('main', 'worker', worker); - var terminateEarly = function terminateEarly() { - worker.removeEventListener('error', onWorkerError); - messageHandler.destroy(); - worker.terminate(); - if (_this6.destroyed) { - _this6._readyCapability.reject(new Error('Worker was destroyed')); - } else { - _this6._setupFakeWorker(); - } - }; - var onWorkerError = function onWorkerError() { - if (!_this6._webWorker) { - terminateEarly(); - } - }; - worker.addEventListener('error', onWorkerError); - messageHandler.on('test', function (data) { - worker.removeEventListener('error', onWorkerError); - if (_this6.destroyed) { - terminateEarly(); - return; - } - var supportTypedArray = data && data.supportTypedArray; - if (supportTypedArray) { - _this6._messageHandler = messageHandler; - _this6._port = worker; - _this6._webWorker = worker; - if (!data.supportTransfers) { - _this6.postMessageTransfers = false; - isPostMessageTransfersDisabled = true; - } - _this6._readyCapability.resolve(); - messageHandler.send('configure', { verbosity: (0, _util.getVerbosityLevel)() }); - } else { - _this6._setupFakeWorker(); - messageHandler.destroy(); - worker.terminate(); - } - }); - messageHandler.on('console_log', function (data) { - console.log.apply(console, data); - }); - messageHandler.on('console_error', function (data) { - console.error.apply(console, data); - }); - messageHandler.on('ready', function (data) { - worker.removeEventListener('error', onWorkerError); - if (_this6.destroyed) { - terminateEarly(); - return; - } - try { - sendTest(); - } catch (e) { - _this6._setupFakeWorker(); - } - }); - var sendTest = function sendTest() { - var postMessageTransfers = (0, _dom_utils.getDefaultSetting)('postMessageTransfers') && !isPostMessageTransfersDisabled; - var testObj = new Uint8Array([postMessageTransfers ? 255 : 0]); - try { - messageHandler.send('test', testObj, [testObj.buffer]); - } catch (ex) { - (0, _util.info)('Cannot use postMessage transfers'); - testObj[0] = 0; - messageHandler.send('test', testObj); - } - }; - sendTest(); - return; - } catch (e) { - (0, _util.info)('The worker has been disabled.'); - } - } - this._setupFakeWorker(); - }, - _setupFakeWorker: function PDFWorker_setupFakeWorker() { - var _this7 = this; +/***/ }), +/* 24 */ +/***/ (function(module, exports, __w_pdfjs_require__) { - if (!isWorkerDisabled && !(0, _dom_utils.getDefaultSetting)('disableWorker')) { - (0, _util.warn)('Setting up fake worker.'); - isWorkerDisabled = true; - } - setupFakeWorkerGlobal().then(function (WorkerMessageHandler) { - if (_this7.destroyed) { - _this7._readyCapability.reject(new Error('Worker was destroyed')); - return; - } - var isTypedArraysPresent = Uint8Array !== Float32Array; - var port = new LoopbackPort(isTypedArraysPresent); - _this7._port = port; - var id = 'fake' + nextFakeWorkerId++; - var workerHandler = new _util.MessageHandler(id + '_worker', id, port); - WorkerMessageHandler.setup(workerHandler, port); - var messageHandler = new _util.MessageHandler(id, id + '_worker', port); - _this7._messageHandler = messageHandler; - _this7._readyCapability.resolve(); - }); - }, - destroy: function PDFWorker_destroy() { - this.destroyed = true; - if (this._webWorker) { - this._webWorker.terminate(); - this._webWorker = null; - } - pdfWorkerPorts.delete(this._port); - this._port = null; - if (this._messageHandler) { - this._messageHandler.destroy(); - this._messageHandler = null; - } - } - }; - PDFWorker.fromPort = function (port) { - if (pdfWorkerPorts.has(port)) { - return pdfWorkerPorts.get(port); - } - return new PDFWorker(null, port); - }; - return PDFWorker; -}(); -var WorkerTransport = function WorkerTransportClosure() { - function WorkerTransport(messageHandler, loadingTask, networkStream, CMapReaderFactory) { - this.messageHandler = messageHandler; - this.loadingTask = loadingTask; - this.commonObjs = new PDFObjects(); - this.fontLoader = new _font_loader.FontLoader(loadingTask.docId); - this.CMapReaderFactory = new CMapReaderFactory({ - baseUrl: (0, _dom_utils.getDefaultSetting)('cMapUrl'), - isCompressed: (0, _dom_utils.getDefaultSetting)('cMapPacked') - }); - this.destroyed = false; - this.destroyCapability = null; - this._passwordCapability = null; - this._networkStream = networkStream; - this._fullReader = null; - this._lastProgress = null; - this.pageCache = []; - this.pagePromises = []; - this.downloadInfoCapability = (0, _util.createPromiseCapability)(); - this.setupMessageHandler(); - } - WorkerTransport.prototype = { - destroy: function WorkerTransport_destroy() { - var _this8 = this; +"use strict"; - if (this.destroyCapability) { - return this.destroyCapability.promise; - } - this.destroyed = true; - this.destroyCapability = (0, _util.createPromiseCapability)(); - if (this._passwordCapability) { - this._passwordCapability.reject(new Error('Worker was destroyed during onPassword callback')); - } - var waitOn = []; - this.pageCache.forEach(function (page) { - if (page) { - waitOn.push(page._destroy()); - } - }); - this.pageCache = []; - this.pagePromises = []; - var terminated = this.messageHandler.sendWithPromise('Terminate', null); - waitOn.push(terminated); - Promise.all(waitOn).then(function () { - _this8.fontLoader.clear(); - if (_this8._networkStream) { - _this8._networkStream.cancelAllRequests(); - } - if (_this8.messageHandler) { - _this8.messageHandler.destroy(); - _this8.messageHandler = null; - } - _this8.destroyCapability.resolve(); - }, this.destroyCapability.reject); - return this.destroyCapability.promise; - }, - setupMessageHandler: function WorkerTransport_setupMessageHandler() { - var messageHandler = this.messageHandler; - var loadingTask = this.loadingTask; - messageHandler.on('GetReader', function (data, sink) { - var _this9 = this; - (0, _util.assert)(this._networkStream); - this._fullReader = this._networkStream.getFullReader(); - this._fullReader.onProgress = function (evt) { - _this9._lastProgress = { - loaded: evt.loaded, - total: evt.total - }; - }; - sink.onPull = function () { - _this9._fullReader.read().then(function (_ref2) { - var value = _ref2.value, - done = _ref2.done; +module.exports = function (it) { + if (typeof it != 'function') throw TypeError(it + ' is not a function!'); + return it; +}; - if (done) { - sink.close(); - return; - } - (0, _util.assert)((0, _util.isArrayBuffer)(value)); - sink.enqueue(new Uint8Array(value), 1, [value]); - }).catch(function (reason) { - sink.error(reason); - }); - }; - sink.onCancel = function (reason) { - _this9._fullReader.cancel(reason); - }; - }, this); - messageHandler.on('ReaderHeadersReady', function (data) { - var _this10 = this; +/***/ }), +/* 25 */ +/***/ (function(module, exports, __w_pdfjs_require__) { - var headersCapability = (0, _util.createPromiseCapability)(); - var fullReader = this._fullReader; - fullReader.headersReady.then(function () { - if (!fullReader.isStreamingSupported || !fullReader.isRangeSupported) { - if (_this10._lastProgress) { - var _loadingTask = _this10.loadingTask; - if (_loadingTask.onProgress) { - _loadingTask.onProgress(_this10._lastProgress); - } - } - fullReader.onProgress = function (evt) { - var loadingTask = _this10.loadingTask; - if (loadingTask.onProgress) { - loadingTask.onProgress({ - loaded: evt.loaded, - total: evt.total - }); - } - }; - } - headersCapability.resolve({ - isStreamingSupported: fullReader.isStreamingSupported, - isRangeSupported: fullReader.isRangeSupported, - contentLength: fullReader.contentLength - }); - }, headersCapability.reject); - return headersCapability.promise; - }, this); - messageHandler.on('GetRangeReader', function (data, sink) { - (0, _util.assert)(this._networkStream); - var _rangeReader = this._networkStream.getRangeReader(data.begin, data.end); - sink.onPull = function () { - _rangeReader.read().then(function (_ref3) { - var value = _ref3.value, - done = _ref3.done; +"use strict"; - if (done) { - sink.close(); - return; - } - (0, _util.assert)((0, _util.isArrayBuffer)(value)); - sink.enqueue(new Uint8Array(value), 1, [value]); - }).catch(function (reason) { - sink.error(reason); - }); - }; - sink.onCancel = function (reason) { - _rangeReader.cancel(reason); - }; - }, this); - messageHandler.on('GetDoc', function transportDoc(data) { - var pdfInfo = data.pdfInfo; - this.numPages = data.pdfInfo.numPages; - var loadingTask = this.loadingTask; - var pdfDocument = new PDFDocumentProxy(pdfInfo, this, loadingTask); - this.pdfDocument = pdfDocument; - loadingTask._capability.resolve(pdfDocument); - }, this); - messageHandler.on('PasswordRequest', function transportPasswordRequest(exception) { - var _this11 = this; - this._passwordCapability = (0, _util.createPromiseCapability)(); - if (loadingTask.onPassword) { - var updatePassword = function updatePassword(password) { - _this11._passwordCapability.resolve({ password: password }); - }; - loadingTask.onPassword(updatePassword, exception.code); - } else { - this._passwordCapability.reject(new _util.PasswordException(exception.message, exception.code)); - } - return this._passwordCapability.promise; - }, this); - messageHandler.on('PasswordException', function transportPasswordException(exception) { - loadingTask._capability.reject(new _util.PasswordException(exception.message, exception.code)); - }, this); - messageHandler.on('InvalidPDF', function transportInvalidPDF(exception) { - this.loadingTask._capability.reject(new _util.InvalidPDFException(exception.message)); - }, this); - messageHandler.on('MissingPDF', function transportMissingPDF(exception) { - this.loadingTask._capability.reject(new _util.MissingPDFException(exception.message)); - }, this); - messageHandler.on('UnexpectedResponse', function transportUnexpectedResponse(exception) { - this.loadingTask._capability.reject(new _util.UnexpectedResponseException(exception.message, exception.status)); - }, this); - messageHandler.on('UnknownError', function transportUnknownError(exception) { - this.loadingTask._capability.reject(new _util.UnknownErrorException(exception.message, exception.details)); - }, this); - messageHandler.on('DataLoaded', function transportPage(data) { - this.downloadInfoCapability.resolve(data); - }, this); - messageHandler.on('PDFManagerReady', function transportPage(data) {}, this); - messageHandler.on('StartRenderPage', function transportRender(data) { - if (this.destroyed) { - return; - } - var page = this.pageCache[data.pageIndex]; - page.stats.timeEnd('Page Request'); - page._startRenderPage(data.transparency, data.intent); - }, this); - messageHandler.on('RenderPageChunk', function transportRender(data) { - if (this.destroyed) { - return; - } - var page = this.pageCache[data.pageIndex]; - page._renderPageChunk(data.operatorList, data.intent); - }, this); - messageHandler.on('commonobj', function transportObj(data) { - var _this12 = this; +var isRegExp = __w_pdfjs_require__(26); +var defined = __w_pdfjs_require__(31); +module.exports = function (that, searchString, NAME) { + if (isRegExp(searchString)) throw TypeError('String#' + NAME + " doesn't accept regex!"); + return String(defined(that)); +}; - if (this.destroyed) { - return; - } - var id = data[0]; - var type = data[1]; - if (this.commonObjs.hasData(id)) { - return; - } - switch (type) { - case 'Font': - var exportedData = data[2]; - if ('error' in exportedData) { - var exportedError = exportedData.error; - (0, _util.warn)('Error during font loading: ' + exportedError); - this.commonObjs.resolve(id, exportedError); - break; - } - var fontRegistry = null; - if ((0, _dom_utils.getDefaultSetting)('pdfBug') && _util.globalScope.FontInspector && _util.globalScope['FontInspector'].enabled) { - fontRegistry = { - registerFont: function registerFont(font, url) { - _util.globalScope['FontInspector'].fontAdded(font, url); - } - }; - } - var font = new _font_loader.FontFaceObject(exportedData, { - isEvalSuported: (0, _dom_utils.getDefaultSetting)('isEvalSupported'), - disableFontFace: (0, _dom_utils.getDefaultSetting)('disableFontFace'), - fontRegistry: fontRegistry - }); - var fontReady = function fontReady(fontObjs) { - _this12.commonObjs.resolve(id, font); - }; - this.fontLoader.bind([font], fontReady); - break; - case 'FontPath': - this.commonObjs.resolve(id, data[2]); - break; - default: - throw new Error('Got unknown common object type ' + type); - } - }, this); - messageHandler.on('obj', function transportObj(data) { - if (this.destroyed) { - return; - } - var id = data[0]; - var pageIndex = data[1]; - var type = data[2]; - var pageProxy = this.pageCache[pageIndex]; - var imageData; - if (pageProxy.objs.hasData(id)) { - return; - } - switch (type) { - case 'JpegStream': - imageData = data[3]; - (0, _util.loadJpegStream)(id, imageData, pageProxy.objs); - break; - case 'Image': - imageData = data[3]; - pageProxy.objs.resolve(id, imageData); - var MAX_IMAGE_SIZE_TO_STORE = 8000000; - if (imageData && 'data' in imageData && imageData.data.length > MAX_IMAGE_SIZE_TO_STORE) { - pageProxy.cleanupAfterRender = true; - } - break; - default: - throw new Error('Got unknown object type ' + type); - } - }, this); - messageHandler.on('DocProgress', function transportDocProgress(data) { - if (this.destroyed) { - return; - } - var loadingTask = this.loadingTask; - if (loadingTask.onProgress) { - loadingTask.onProgress({ - loaded: data.loaded, - total: data.total - }); - } - }, this); - messageHandler.on('PageError', function transportError(data) { - if (this.destroyed) { - return; - } - var page = this.pageCache[data.pageNum - 1]; - var intentState = page.intentStates[data.intent]; - if (intentState.displayReadyCapability) { - intentState.displayReadyCapability.reject(data.error); - } else { - throw new Error(data.error); - } - if (intentState.operatorList) { - intentState.operatorList.lastChunk = true; - for (var i = 0; i < intentState.renderTasks.length; i++) { - intentState.renderTasks[i].operatorListChanged(); - } - } - }, this); - messageHandler.on('UnsupportedFeature', function transportUnsupportedFeature(data) { - if (this.destroyed) { - return; - } - var featureId = data.featureId; - var loadingTask = this.loadingTask; - if (loadingTask.onUnsupportedFeature) { - loadingTask.onUnsupportedFeature(featureId); - } - _UnsupportedManager.notify(featureId); - }, this); - messageHandler.on('JpegDecode', function (data) { - if (this.destroyed) { - return Promise.reject(new Error('Worker was destroyed')); - } - if (typeof document === 'undefined') { - return Promise.reject(new Error('"document" is not defined.')); - } - var imageUrl = data[0]; - var components = data[1]; - if (components !== 3 && components !== 1) { - return Promise.reject(new Error('Only 3 components or 1 component can be returned')); - } - return new Promise(function (resolve, reject) { - var img = new Image(); - img.onload = function () { - var width = img.width; - var height = img.height; - var size = width * height; - var rgbaLength = size * 4; - var buf = new Uint8Array(size * components); - var tmpCanvas = document.createElement('canvas'); - tmpCanvas.width = width; - tmpCanvas.height = height; - var tmpCtx = tmpCanvas.getContext('2d'); - tmpCtx.drawImage(img, 0, 0); - var data = tmpCtx.getImageData(0, 0, width, height).data; - var i, j; - if (components === 3) { - for (i = 0, j = 0; i < rgbaLength; i += 4, j += 3) { - buf[j] = data[i]; - buf[j + 1] = data[i + 1]; - buf[j + 2] = data[i + 2]; - } - } else if (components === 1) { - for (i = 0, j = 0; i < rgbaLength; i += 4, j++) { - buf[j] = data[i]; - } - } - resolve({ - data: buf, - width: width, - height: height - }); - }; - img.onerror = function () { - reject(new Error('JpegDecode failed to load image')); - }; - img.src = imageUrl; - }); - }, this); - messageHandler.on('FetchBuiltInCMap', function (data) { - if (this.destroyed) { - return Promise.reject(new Error('Worker was destroyed')); - } - return this.CMapReaderFactory.fetch({ name: data.name }); - }, this); - }, - getData: function WorkerTransport_getData() { - return this.messageHandler.sendWithPromise('GetData', null); - }, - getPage: function WorkerTransport_getPage(pageNumber, capability) { - var _this13 = this; +/***/ }), +/* 26 */ +/***/ (function(module, exports, __w_pdfjs_require__) { - if (!(0, _util.isInt)(pageNumber) || pageNumber <= 0 || pageNumber > this.numPages) { - return Promise.reject(new Error('Invalid page request')); - } - var pageIndex = pageNumber - 1; - if (pageIndex in this.pagePromises) { - return this.pagePromises[pageIndex]; - } - var promise = this.messageHandler.sendWithPromise('GetPage', { pageIndex: pageIndex }).then(function (pageInfo) { - if (_this13.destroyed) { - throw new Error('Transport destroyed'); - } - var page = new PDFPageProxy(pageIndex, pageInfo, _this13); - _this13.pageCache[pageIndex] = page; - return page; - }); - this.pagePromises[pageIndex] = promise; - return promise; - }, - getPageIndex: function WorkerTransport_getPageIndexByRef(ref) { - return this.messageHandler.sendWithPromise('GetPageIndex', { ref: ref }).catch(function (reason) { - return Promise.reject(new Error(reason)); - }); - }, - getAnnotations: function WorkerTransport_getAnnotations(pageIndex, intent) { - return this.messageHandler.sendWithPromise('GetAnnotations', { - pageIndex: pageIndex, - intent: intent - }); - }, - getDestinations: function WorkerTransport_getDestinations() { - return this.messageHandler.sendWithPromise('GetDestinations', null); - }, - getDestination: function WorkerTransport_getDestination(id) { - return this.messageHandler.sendWithPromise('GetDestination', { id: id }); - }, - getPageLabels: function WorkerTransport_getPageLabels() { - return this.messageHandler.sendWithPromise('GetPageLabels', null); - }, - getPageMode: function getPageMode() { - return this.messageHandler.sendWithPromise('GetPageMode', null); - }, +"use strict"; - getAttachments: function WorkerTransport_getAttachments() { - return this.messageHandler.sendWithPromise('GetAttachments', null); - }, - getJavaScript: function WorkerTransport_getJavaScript() { - return this.messageHandler.sendWithPromise('GetJavaScript', null); - }, - getOutline: function WorkerTransport_getOutline() { - return this.messageHandler.sendWithPromise('GetOutline', null); - }, - getMetadata: function WorkerTransport_getMetadata() { - return this.messageHandler.sendWithPromise('GetMetadata', null).then(function transportMetadata(results) { - return { - info: results[0], - metadata: results[1] ? new _metadata.Metadata(results[1]) : null - }; - }); - }, - getStats: function WorkerTransport_getStats() { - return this.messageHandler.sendWithPromise('GetStats', null); - }, - startCleanup: function WorkerTransport_startCleanup() { - var _this14 = this; - this.messageHandler.sendWithPromise('Cleanup', null).then(function () { - for (var i = 0, ii = _this14.pageCache.length; i < ii; i++) { - var page = _this14.pageCache[i]; - if (page) { - page.cleanup(); - } - } - _this14.commonObjs.clear(); - _this14.fontLoader.clear(); - }); - } - }; - return WorkerTransport; -}(); -var PDFObjects = function PDFObjectsClosure() { - function PDFObjects() { - this.objs = Object.create(null); +var isObject = __w_pdfjs_require__(13); +var cof = __w_pdfjs_require__(27); +var MATCH = __w_pdfjs_require__(28)('match'); +module.exports = function (it) { + var isRegExp; + return isObject(it) && ((isRegExp = it[MATCH]) !== undefined ? !!isRegExp : cof(it) == 'RegExp'); +}; + +/***/ }), +/* 27 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +var toString = {}.toString; +module.exports = function (it) { + return toString.call(it).slice(8, -1); +}; + +/***/ }), +/* 28 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +var store = __w_pdfjs_require__(29)('wks'); +var uid = __w_pdfjs_require__(22); +var _Symbol = __w_pdfjs_require__(8).Symbol; +var USE_SYMBOL = typeof _Symbol == 'function'; +var $exports = module.exports = function (name) { + return store[name] || (store[name] = USE_SYMBOL && _Symbol[name] || (USE_SYMBOL ? _Symbol : uid)('Symbol.' + name)); +}; +$exports.store = store; + +/***/ }), +/* 29 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +var core = __w_pdfjs_require__(9); +var global = __w_pdfjs_require__(8); +var SHARED = '__core-js_shared__'; +var store = global[SHARED] || (global[SHARED] = {}); +(module.exports = function (key, value) { + return store[key] || (store[key] = value !== undefined ? value : {}); +})('versions', []).push({ + version: core.version, + mode: __w_pdfjs_require__(30) ? 'pure' : 'global', + copyright: '© 2018 Denis Pushkarev (zloirock.ru)' +}); + +/***/ }), +/* 30 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +module.exports = false; + +/***/ }), +/* 31 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +module.exports = function (it) { + if (it == undefined) throw TypeError("Can't call method on " + it); + return it; +}; + +/***/ }), +/* 32 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +var MATCH = __w_pdfjs_require__(28)('match'); +module.exports = function (KEY) { + var re = /./; + try { + '/./'[KEY](re); + } catch (e) { + try { + re[MATCH] = false; + return !'/./'[KEY](re); + } catch (f) {} } - PDFObjects.prototype = { - ensureObj: function PDFObjects_ensureObj(objId) { - if (this.objs[objId]) { - return this.objs[objId]; - } - var obj = { - capability: (0, _util.createPromiseCapability)(), - data: null, - resolved: false - }; - this.objs[objId] = obj; - return obj; - }, - get: function PDFObjects_get(objId, callback) { - if (callback) { - this.ensureObj(objId).capability.promise.then(callback); - return null; - } - var obj = this.objs[objId]; - if (!obj || !obj.resolved) { - throw new Error('Requesting object that isn\'t resolved yet ' + objId); - } - return obj.data; - }, - resolve: function PDFObjects_resolve(objId, data) { - var obj = this.ensureObj(objId); - obj.resolved = true; - obj.data = data; - obj.capability.resolve(data); - }, - isResolved: function PDFObjects_isResolved(objId) { - var objs = this.objs; - if (!objs[objId]) { - return false; - } - return objs[objId].resolved; - }, - hasData: function PDFObjects_hasData(objId) { - return this.isResolved(objId); - }, - getData: function PDFObjects_getData(objId) { - var objs = this.objs; - if (!objs[objId] || !objs[objId].resolved) { - return null; - } - return objs[objId].data; - }, - clear: function PDFObjects_clear() { - this.objs = Object.create(null); - } - }; - return PDFObjects; -}(); -var RenderTask = function RenderTaskClosure() { - function RenderTask(internalRenderTask) { - this._internalRenderTask = internalRenderTask; - this.onContinue = null; + return true; +}; + +/***/ }), +/* 33 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +__w_pdfjs_require__(34); +module.exports = __w_pdfjs_require__(9).Array.includes; + +/***/ }), +/* 34 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +var $export = __w_pdfjs_require__(7); +var $includes = __w_pdfjs_require__(35)(true); +$export($export.P, 'Array', { + includes: function includes(el) { + return $includes(this, el, arguments.length > 1 ? arguments[1] : undefined); } - RenderTask.prototype = { - get promise() { - return this._internalRenderTask.capability.promise; - }, - cancel: function RenderTask_cancel() { - this._internalRenderTask.cancel(); - }, - then: function RenderTask_then(onFulfilled, onRejected) { - return this.promise.then.apply(this.promise, arguments); - } +}); +__w_pdfjs_require__(41)('includes'); + +/***/ }), +/* 35 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +var toIObject = __w_pdfjs_require__(36); +var toLength = __w_pdfjs_require__(38); +var toAbsoluteIndex = __w_pdfjs_require__(40); +module.exports = function (IS_INCLUDES) { + return function ($this, el, fromIndex) { + var O = toIObject($this); + var length = toLength(O.length); + var index = toAbsoluteIndex(fromIndex, length); + var value; + if (IS_INCLUDES && el != el) while (length > index) { + value = O[index++]; + if (value != value) return true; + } else for (; length > index; index++) { + if (IS_INCLUDES || index in O) { + if (O[index] === el) return IS_INCLUDES || index || 0; + } + }return !IS_INCLUDES && -1; }; - return RenderTask; -}(); -var InternalRenderTask = function InternalRenderTaskClosure() { - var canvasInRendering = new WeakMap(); - function InternalRenderTask(callback, params, objs, commonObjs, operatorList, pageNumber, canvasFactory) { - this.callback = callback; - this.params = params; - this.objs = objs; - this.commonObjs = commonObjs; - this.operatorListIdx = null; - this.operatorList = operatorList; - this.pageNumber = pageNumber; - this.canvasFactory = canvasFactory; - this.running = false; - this.graphicsReadyCallback = null; - this.graphicsReady = false; - this.useRequestAnimationFrame = false; - this.cancelled = false; - this.capability = (0, _util.createPromiseCapability)(); - this.task = new RenderTask(this); - this._continueBound = this._continue.bind(this); - this._scheduleNextBound = this._scheduleNext.bind(this); - this._nextBound = this._next.bind(this); - this._canvas = params.canvasContext.canvas; - } - InternalRenderTask.prototype = { - initializeGraphics: function InternalRenderTask_initializeGraphics(transparency) { - if (this._canvas) { - if (canvasInRendering.has(this._canvas)) { - throw new Error('Cannot use the same canvas during multiple render() operations. ' + 'Use different canvas or ensure previous operations were ' + 'cancelled or completed.'); - } - canvasInRendering.set(this._canvas, this); - } - if (this.cancelled) { - return; - } - if ((0, _dom_utils.getDefaultSetting)('pdfBug') && _util.globalScope.StepperManager && _util.globalScope.StepperManager.enabled) { - this.stepper = _util.globalScope.StepperManager.create(this.pageNumber - 1); - this.stepper.init(this.operatorList); - this.stepper.nextBreakPoint = this.stepper.getNextBreakPoint(); - } - var params = this.params; - this.gfx = new _canvas.CanvasGraphics(params.canvasContext, this.commonObjs, this.objs, this.canvasFactory, params.imageLayer); - this.gfx.beginDrawing({ - transform: params.transform, - viewport: params.viewport, - transparency: transparency, - background: params.background - }); - this.operatorListIdx = 0; - this.graphicsReady = true; - if (this.graphicsReadyCallback) { - this.graphicsReadyCallback(); - } - }, - cancel: function InternalRenderTask_cancel() { - this.running = false; - this.cancelled = true; - if (this._canvas) { - canvasInRendering.delete(this._canvas); - } - if ((0, _dom_utils.getDefaultSetting)('pdfjsNext')) { - this.callback(new _dom_utils.RenderingCancelledException('Rendering cancelled, page ' + this.pageNumber, 'canvas')); - } else { - this.callback('cancelled'); - } - }, - operatorListChanged: function InternalRenderTask_operatorListChanged() { - if (!this.graphicsReady) { - if (!this.graphicsReadyCallback) { - this.graphicsReadyCallback = this._continueBound; - } - return; - } - if (this.stepper) { - this.stepper.updateOperatorList(this.operatorList); - } - if (this.running) { - return; - } - this._continue(); - }, - _continue: function InternalRenderTask__continue() { - this.running = true; - if (this.cancelled) { - return; - } - if (this.task.onContinue) { - this.task.onContinue(this._scheduleNextBound); - } else { - this._scheduleNext(); - } - }, - _scheduleNext: function InternalRenderTask__scheduleNext() { - if (this.useRequestAnimationFrame && typeof window !== 'undefined') { - window.requestAnimationFrame(this._nextBound); - } else { - Promise.resolve(undefined).then(this._nextBound); - } - }, - _next: function InternalRenderTask__next() { - if (this.cancelled) { - return; - } - this.operatorListIdx = this.gfx.executeOperatorList(this.operatorList, this.operatorListIdx, this._continueBound, this.stepper); - if (this.operatorListIdx === this.operatorList.argsArray.length) { - this.running = false; - if (this.operatorList.lastChunk) { - this.gfx.endDrawing(); - if (this._canvas) { - canvasInRendering.delete(this._canvas); - } - this.callback(); - } - } - } - }; - return InternalRenderTask; -}(); -var _UnsupportedManager = function UnsupportedManagerClosure() { - var listeners = []; - return { - listen: function listen(cb) { - (0, _util.deprecated)('Global UnsupportedManager.listen is used: ' + ' use PDFDocumentLoadingTask.onUnsupportedFeature instead'); - listeners.push(cb); - }, - notify: function notify(featureId) { - for (var i = 0, ii = listeners.length; i < ii; i++) { - listeners[i](featureId); - } - } - }; -}(); -var version, build; -{ - exports.version = version = '1.9.426'; - exports.build = build = '2558a58d'; -} -exports.getDocument = getDocument; -exports.LoopbackPort = LoopbackPort; -exports.PDFDataRangeTransport = PDFDataRangeTransport; -exports.PDFWorker = PDFWorker; -exports.PDFDocumentProxy = PDFDocumentProxy; -exports.PDFPageProxy = PDFPageProxy; -exports.setPDFNetworkStreamClass = setPDFNetworkStreamClass; -exports._UnsupportedManager = _UnsupportedManager; -exports.version = version; -exports.build = build; +}; /***/ }), -/* 3 */ +/* 36 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; -Object.defineProperty(exports, "__esModule", { - value: true -}); -exports.AnnotationLayer = undefined; +var IObject = __w_pdfjs_require__(37); +var defined = __w_pdfjs_require__(31); +module.exports = function (it) { + return IObject(defined(it)); +}; -var _dom_utils = __w_pdfjs_require__(1); - -var _util = __w_pdfjs_require__(0); - -function AnnotationElementFactory() {} -AnnotationElementFactory.prototype = { - create: function AnnotationElementFactory_create(parameters) { - var subtype = parameters.data.annotationType; - switch (subtype) { - case _util.AnnotationType.LINK: - return new LinkAnnotationElement(parameters); - case _util.AnnotationType.TEXT: - return new TextAnnotationElement(parameters); - case _util.AnnotationType.WIDGET: - var fieldType = parameters.data.fieldType; - switch (fieldType) { - case 'Tx': - return new TextWidgetAnnotationElement(parameters); - case 'Btn': - if (parameters.data.radioButton) { - return new RadioButtonWidgetAnnotationElement(parameters); - } else if (parameters.data.checkBox) { - return new CheckboxWidgetAnnotationElement(parameters); - } - (0, _util.warn)('Unimplemented button widget annotation: pushbutton'); - break; - case 'Ch': - return new ChoiceWidgetAnnotationElement(parameters); - } - return new WidgetAnnotationElement(parameters); - case _util.AnnotationType.POPUP: - return new PopupAnnotationElement(parameters); - case _util.AnnotationType.LINE: - return new LineAnnotationElement(parameters); - case _util.AnnotationType.HIGHLIGHT: - return new HighlightAnnotationElement(parameters); - case _util.AnnotationType.UNDERLINE: - return new UnderlineAnnotationElement(parameters); - case _util.AnnotationType.SQUIGGLY: - return new SquigglyAnnotationElement(parameters); - case _util.AnnotationType.STRIKEOUT: - return new StrikeOutAnnotationElement(parameters); - case _util.AnnotationType.FILEATTACHMENT: - return new FileAttachmentAnnotationElement(parameters); - default: - return new AnnotationElement(parameters); - } - } +/***/ }), +/* 37 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +var cof = __w_pdfjs_require__(27); +module.exports = Object('z').propertyIsEnumerable(0) ? Object : function (it) { + return cof(it) == 'String' ? it.split('') : Object(it); }; -var AnnotationElement = function AnnotationElementClosure() { - function AnnotationElement(parameters, isRenderable, ignoreBorder) { - this.isRenderable = isRenderable || false; - this.data = parameters.data; - this.layer = parameters.layer; - this.page = parameters.page; - this.viewport = parameters.viewport; - this.linkService = parameters.linkService; - this.downloadManager = parameters.downloadManager; - this.imageResourcesPath = parameters.imageResourcesPath; - this.renderInteractiveForms = parameters.renderInteractiveForms; - if (isRenderable) { - this.container = this._createContainer(ignoreBorder); - } - } - AnnotationElement.prototype = { - _createContainer: function AnnotationElement_createContainer(ignoreBorder) { - var data = this.data, - page = this.page, - viewport = this.viewport; - var container = document.createElement('section'); - var width = data.rect[2] - data.rect[0]; - var height = data.rect[3] - data.rect[1]; - container.setAttribute('data-annotation-id', data.id); - var rect = _util.Util.normalizeRect([data.rect[0], page.view[3] - data.rect[1] + page.view[1], data.rect[2], page.view[3] - data.rect[3] + page.view[1]]); - _dom_utils.CustomStyle.setProp('transform', container, 'matrix(' + viewport.transform.join(',') + ')'); - _dom_utils.CustomStyle.setProp('transformOrigin', container, -rect[0] + 'px ' + -rect[1] + 'px'); - if (!ignoreBorder && data.borderStyle.width > 0) { - container.style.borderWidth = data.borderStyle.width + 'px'; - if (data.borderStyle.style !== _util.AnnotationBorderStyleType.UNDERLINE) { - width = width - 2 * data.borderStyle.width; - height = height - 2 * data.borderStyle.width; - } - var horizontalRadius = data.borderStyle.horizontalCornerRadius; - var verticalRadius = data.borderStyle.verticalCornerRadius; - if (horizontalRadius > 0 || verticalRadius > 0) { - var radius = horizontalRadius + 'px / ' + verticalRadius + 'px'; - _dom_utils.CustomStyle.setProp('borderRadius', container, radius); - } - switch (data.borderStyle.style) { - case _util.AnnotationBorderStyleType.SOLID: - container.style.borderStyle = 'solid'; - break; - case _util.AnnotationBorderStyleType.DASHED: - container.style.borderStyle = 'dashed'; - break; - case _util.AnnotationBorderStyleType.BEVELED: - (0, _util.warn)('Unimplemented border style: beveled'); - break; - case _util.AnnotationBorderStyleType.INSET: - (0, _util.warn)('Unimplemented border style: inset'); - break; - case _util.AnnotationBorderStyleType.UNDERLINE: - container.style.borderBottomStyle = 'solid'; - break; - default: - break; - } - if (data.color) { - container.style.borderColor = _util.Util.makeCssRgb(data.color[0] | 0, data.color[1] | 0, data.color[2] | 0); - } else { - container.style.borderWidth = 0; - } - } - container.style.left = rect[0] + 'px'; - container.style.top = rect[1] + 'px'; - container.style.width = width + 'px'; - container.style.height = height + 'px'; - return container; - }, - _createPopup: function AnnotationElement_createPopup(container, trigger, data) { - if (!trigger) { - trigger = document.createElement('div'); - trigger.style.height = container.style.height; - trigger.style.width = container.style.width; - container.appendChild(trigger); - } - var popupElement = new PopupElement({ - container: container, - trigger: trigger, - color: data.color, - title: data.title, - contents: data.contents, - hideWrapper: true - }); - var popup = popupElement.render(); - popup.style.left = container.style.width; - container.appendChild(popup); - }, - render: function AnnotationElement_render() { - throw new Error('Abstract method AnnotationElement.render called'); - } - }; - return AnnotationElement; -}(); -var LinkAnnotationElement = function LinkAnnotationElementClosure() { - function LinkAnnotationElement(parameters) { - AnnotationElement.call(this, parameters, true); - } - _util.Util.inherit(LinkAnnotationElement, AnnotationElement, { - render: function LinkAnnotationElement_render() { - this.container.className = 'linkAnnotation'; - var link = document.createElement('a'); - (0, _dom_utils.addLinkAttributes)(link, { - url: this.data.url, - target: this.data.newWindow ? _dom_utils.LinkTarget.BLANK : undefined - }); - if (!this.data.url) { - if (this.data.action) { - this._bindNamedAction(link, this.data.action); - } else { - this._bindLink(link, this.data.dest); - } - } - this.container.appendChild(link); - return this.container; - }, - _bindLink: function _bindLink(link, destination) { - var _this = this; - link.href = this.linkService.getDestinationHash(destination); - link.onclick = function () { - if (destination) { - _this.linkService.navigateTo(destination); - } - return false; - }; - if (destination) { - link.className = 'internalLink'; - } - }, - _bindNamedAction: function _bindNamedAction(link, action) { - var _this2 = this; +/***/ }), +/* 38 */ +/***/ (function(module, exports, __w_pdfjs_require__) { - link.href = this.linkService.getAnchorUrl(''); - link.onclick = function () { - _this2.linkService.executeNamedAction(action); - return false; - }; - link.className = 'internalLink'; - } - }); - return LinkAnnotationElement; -}(); -var TextAnnotationElement = function TextAnnotationElementClosure() { - function TextAnnotationElement(parameters) { - var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents); - AnnotationElement.call(this, parameters, isRenderable); - } - _util.Util.inherit(TextAnnotationElement, AnnotationElement, { - render: function TextAnnotationElement_render() { - this.container.className = 'textAnnotation'; - var image = document.createElement('img'); - image.style.height = this.container.style.height; - image.style.width = this.container.style.width; - image.src = this.imageResourcesPath + 'annotation-' + this.data.name.toLowerCase() + '.svg'; - image.alt = '[{{type}} Annotation]'; - image.dataset.l10nId = 'text_annotation_type'; - image.dataset.l10nArgs = JSON.stringify({ type: this.data.name }); - if (!this.data.hasPopup) { - this._createPopup(this.container, image, this.data); - } - this.container.appendChild(image); - return this.container; - } - }); - return TextAnnotationElement; -}(); -var WidgetAnnotationElement = function WidgetAnnotationElementClosure() { - function WidgetAnnotationElement(parameters, isRenderable) { - AnnotationElement.call(this, parameters, isRenderable); - } - _util.Util.inherit(WidgetAnnotationElement, AnnotationElement, { - render: function WidgetAnnotationElement_render() { - return this.container; - } - }); - return WidgetAnnotationElement; -}(); -var TextWidgetAnnotationElement = function TextWidgetAnnotationElementClosure() { - var TEXT_ALIGNMENT = ['left', 'center', 'right']; - function TextWidgetAnnotationElement(parameters) { - var isRenderable = parameters.renderInteractiveForms || !parameters.data.hasAppearance && !!parameters.data.fieldValue; - WidgetAnnotationElement.call(this, parameters, isRenderable); - } - _util.Util.inherit(TextWidgetAnnotationElement, WidgetAnnotationElement, { - render: function TextWidgetAnnotationElement_render() { - this.container.className = 'textWidgetAnnotation'; - var element = null; - if (this.renderInteractiveForms) { - if (this.data.multiLine) { - element = document.createElement('textarea'); - element.textContent = this.data.fieldValue; - } else { - element = document.createElement('input'); - element.type = 'text'; - element.setAttribute('value', this.data.fieldValue); - } - element.disabled = this.data.readOnly; - if (this.data.maxLen !== null) { - element.maxLength = this.data.maxLen; - } - if (this.data.comb) { - var fieldWidth = this.data.rect[2] - this.data.rect[0]; - var combWidth = fieldWidth / this.data.maxLen; - element.classList.add('comb'); - element.style.letterSpacing = 'calc(' + combWidth + 'px - 1ch)'; - } - } else { - element = document.createElement('div'); - element.textContent = this.data.fieldValue; - element.style.verticalAlign = 'middle'; - element.style.display = 'table-cell'; - var font = null; - if (this.data.fontRefName) { - font = this.page.commonObjs.getData(this.data.fontRefName); - } - this._setTextStyle(element, font); - } - if (this.data.textAlignment !== null) { - element.style.textAlign = TEXT_ALIGNMENT[this.data.textAlignment]; - } - this.container.appendChild(element); - return this.container; - }, - _setTextStyle: function TextWidgetAnnotationElement_setTextStyle(element, font) { - var style = element.style; - style.fontSize = this.data.fontSize + 'px'; - style.direction = this.data.fontDirection < 0 ? 'rtl' : 'ltr'; - if (!font) { - return; - } - style.fontWeight = font.black ? font.bold ? '900' : 'bold' : font.bold ? 'bold' : 'normal'; - style.fontStyle = font.italic ? 'italic' : 'normal'; - var fontFamily = font.loadedName ? '"' + font.loadedName + '", ' : ''; - var fallbackName = font.fallbackName || 'Helvetica, sans-serif'; - style.fontFamily = fontFamily + fallbackName; - } - }); - return TextWidgetAnnotationElement; -}(); -var CheckboxWidgetAnnotationElement = function CheckboxWidgetAnnotationElementClosure() { - function CheckboxWidgetAnnotationElement(parameters) { - WidgetAnnotationElement.call(this, parameters, parameters.renderInteractiveForms); - } - _util.Util.inherit(CheckboxWidgetAnnotationElement, WidgetAnnotationElement, { - render: function CheckboxWidgetAnnotationElement_render() { - this.container.className = 'buttonWidgetAnnotation checkBox'; - var element = document.createElement('input'); - element.disabled = this.data.readOnly; - element.type = 'checkbox'; - if (this.data.fieldValue && this.data.fieldValue !== 'Off') { - element.setAttribute('checked', true); - } - this.container.appendChild(element); - return this.container; - } - }); - return CheckboxWidgetAnnotationElement; -}(); -var RadioButtonWidgetAnnotationElement = function RadioButtonWidgetAnnotationElementClosure() { - function RadioButtonWidgetAnnotationElement(parameters) { - WidgetAnnotationElement.call(this, parameters, parameters.renderInteractiveForms); - } - _util.Util.inherit(RadioButtonWidgetAnnotationElement, WidgetAnnotationElement, { - render: function RadioButtonWidgetAnnotationElement_render() { - this.container.className = 'buttonWidgetAnnotation radioButton'; - var element = document.createElement('input'); - element.disabled = this.data.readOnly; - element.type = 'radio'; - element.name = this.data.fieldName; - if (this.data.fieldValue === this.data.buttonValue) { - element.setAttribute('checked', true); - } - this.container.appendChild(element); - return this.container; - } +"use strict"; + + +var toInteger = __w_pdfjs_require__(39); +var min = Math.min; +module.exports = function (it) { + return it > 0 ? min(toInteger(it), 0x1fffffffffffff) : 0; +}; + +/***/ }), +/* 39 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +var ceil = Math.ceil; +var floor = Math.floor; +module.exports = function (it) { + return isNaN(it = +it) ? 0 : (it > 0 ? floor : ceil)(it); +}; + +/***/ }), +/* 40 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +var toInteger = __w_pdfjs_require__(39); +var max = Math.max; +var min = Math.min; +module.exports = function (index, length) { + index = toInteger(index); + return index < 0 ? max(index + length, 0) : min(index, length); +}; + +/***/ }), +/* 41 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +var UNSCOPABLES = __w_pdfjs_require__(28)('unscopables'); +var ArrayProto = Array.prototype; +if (ArrayProto[UNSCOPABLES] == undefined) __w_pdfjs_require__(10)(ArrayProto, UNSCOPABLES, {}); +module.exports = function (key) { + ArrayProto[UNSCOPABLES][key] = true; +}; + +/***/ }), +/* 42 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +__w_pdfjs_require__(43); +module.exports = __w_pdfjs_require__(9).Object.assign; + +/***/ }), +/* 43 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +var $export = __w_pdfjs_require__(7); +$export($export.S + $export.F, 'Object', { assign: __w_pdfjs_require__(44) }); + +/***/ }), +/* 44 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +var getKeys = __w_pdfjs_require__(45); +var gOPS = __w_pdfjs_require__(49); +var pIE = __w_pdfjs_require__(50); +var toObject = __w_pdfjs_require__(51); +var IObject = __w_pdfjs_require__(37); +var $assign = Object.assign; +module.exports = !$assign || __w_pdfjs_require__(16)(function () { + var A = {}; + var B = {}; + var S = Symbol(); + var K = 'abcdefghijklmnopqrst'; + A[S] = 7; + K.split('').forEach(function (k) { + B[k] = k; }); - return RadioButtonWidgetAnnotationElement; -}(); -var ChoiceWidgetAnnotationElement = function ChoiceWidgetAnnotationElementClosure() { - function ChoiceWidgetAnnotationElement(parameters) { - WidgetAnnotationElement.call(this, parameters, parameters.renderInteractiveForms); + return $assign({}, A)[S] != 7 || Object.keys($assign({}, B)).join('') != K; +}) ? function assign(target, source) { + var T = toObject(target); + var aLen = arguments.length; + var index = 1; + var getSymbols = gOPS.f; + var isEnum = pIE.f; + while (aLen > index) { + var S = IObject(arguments[index++]); + var keys = getSymbols ? getKeys(S).concat(getSymbols(S)) : getKeys(S); + var length = keys.length; + var j = 0; + var key; + while (length > j) { + if (isEnum.call(S, key = keys[j++])) T[key] = S[key]; + } + } + return T; +} : $assign; + +/***/ }), +/* 45 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +var $keys = __w_pdfjs_require__(46); +var enumBugKeys = __w_pdfjs_require__(48); +module.exports = Object.keys || function keys(O) { + return $keys(O, enumBugKeys); +}; + +/***/ }), +/* 46 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +var has = __w_pdfjs_require__(21); +var toIObject = __w_pdfjs_require__(36); +var arrayIndexOf = __w_pdfjs_require__(35)(false); +var IE_PROTO = __w_pdfjs_require__(47)('IE_PROTO'); +module.exports = function (object, names) { + var O = toIObject(object); + var i = 0; + var result = []; + var key; + for (key in O) { + if (key != IE_PROTO) has(O, key) && result.push(key); + }while (names.length > i) { + if (has(O, key = names[i++])) { + ~arrayIndexOf(result, key) || result.push(key); + } + }return result; +}; + +/***/ }), +/* 47 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +var shared = __w_pdfjs_require__(29)('keys'); +var uid = __w_pdfjs_require__(22); +module.exports = function (key) { + return shared[key] || (shared[key] = uid(key)); +}; + +/***/ }), +/* 48 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +module.exports = 'constructor,hasOwnProperty,isPrototypeOf,propertyIsEnumerable,toLocaleString,toString,valueOf'.split(','); + +/***/ }), +/* 49 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +exports.f = Object.getOwnPropertySymbols; + +/***/ }), +/* 50 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +exports.f = {}.propertyIsEnumerable; + +/***/ }), +/* 51 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +var defined = __w_pdfjs_require__(31); +module.exports = function (it) { + return Object(defined(it)); +}; + +/***/ }), +/* 52 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +__w_pdfjs_require__(53); +module.exports = __w_pdfjs_require__(9).Math.log2; + +/***/ }), +/* 53 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +var $export = __w_pdfjs_require__(7); +$export($export.S, 'Math', { + log2: function log2(x) { + return Math.log(x) / Math.LN2; } - _util.Util.inherit(ChoiceWidgetAnnotationElement, WidgetAnnotationElement, { - render: function ChoiceWidgetAnnotationElement_render() { - this.container.className = 'choiceWidgetAnnotation'; - var selectElement = document.createElement('select'); - selectElement.disabled = this.data.readOnly; - if (!this.data.combo) { - selectElement.size = this.data.options.length; - if (this.data.multiSelect) { - selectElement.multiple = true; - } - } - for (var i = 0, ii = this.data.options.length; i < ii; i++) { - var option = this.data.options[i]; - var optionElement = document.createElement('option'); - optionElement.textContent = option.displayValue; - optionElement.value = option.exportValue; - if (this.data.fieldValue.indexOf(option.displayValue) >= 0) { - optionElement.setAttribute('selected', true); - } - selectElement.appendChild(optionElement); - } - this.container.appendChild(selectElement); - return this.container; - } - }); - return ChoiceWidgetAnnotationElement; -}(); -var PopupAnnotationElement = function PopupAnnotationElementClosure() { - var IGNORE_TYPES = ['Line']; - function PopupAnnotationElement(parameters) { - var isRenderable = !!(parameters.data.title || parameters.data.contents); - AnnotationElement.call(this, parameters, isRenderable); +}); + +/***/ }), +/* 54 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +__w_pdfjs_require__(55); +module.exports = __w_pdfjs_require__(9).Number.isNaN; + +/***/ }), +/* 55 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +var $export = __w_pdfjs_require__(7); +$export($export.S, 'Number', { + isNaN: function isNaN(number) { + return number != number; } - _util.Util.inherit(PopupAnnotationElement, AnnotationElement, { - render: function PopupAnnotationElement_render() { - this.container.className = 'popupAnnotation'; - if (IGNORE_TYPES.indexOf(this.data.parentType) >= 0) { - return this.container; - } - var selector = '[data-annotation-id="' + this.data.parentId + '"]'; - var parentElement = this.layer.querySelector(selector); - if (!parentElement) { - return this.container; - } - var popup = new PopupElement({ - container: this.container, - trigger: parentElement, - color: this.data.color, - title: this.data.title, - contents: this.data.contents - }); - var parentLeft = parseFloat(parentElement.style.left); - var parentWidth = parseFloat(parentElement.style.width); - _dom_utils.CustomStyle.setProp('transformOrigin', this.container, -(parentLeft + parentWidth) + 'px -' + parentElement.style.top); - this.container.style.left = parentLeft + parentWidth + 'px'; - this.container.appendChild(popup.render()); - return this.container; - } - }); - return PopupAnnotationElement; -}(); -var PopupElement = function PopupElementClosure() { - var BACKGROUND_ENLIGHT = 0.7; - function PopupElement(parameters) { - this.container = parameters.container; - this.trigger = parameters.trigger; - this.color = parameters.color; - this.title = parameters.title; - this.contents = parameters.contents; - this.hideWrapper = parameters.hideWrapper || false; - this.pinned = false; - } - PopupElement.prototype = { - render: function PopupElement_render() { - var wrapper = document.createElement('div'); - wrapper.className = 'popupWrapper'; - this.hideElement = this.hideWrapper ? wrapper : this.container; - this.hideElement.setAttribute('hidden', true); - var popup = document.createElement('div'); - popup.className = 'popup'; - var color = this.color; - if (color) { - var r = BACKGROUND_ENLIGHT * (255 - color[0]) + color[0]; - var g = BACKGROUND_ENLIGHT * (255 - color[1]) + color[1]; - var b = BACKGROUND_ENLIGHT * (255 - color[2]) + color[2]; - popup.style.backgroundColor = _util.Util.makeCssRgb(r | 0, g | 0, b | 0); - } - var contents = this._formatContents(this.contents); - var title = document.createElement('h1'); - title.textContent = this.title; - this.trigger.addEventListener('click', this._toggle.bind(this)); - this.trigger.addEventListener('mouseover', this._show.bind(this, false)); - this.trigger.addEventListener('mouseout', this._hide.bind(this, false)); - popup.addEventListener('click', this._hide.bind(this, true)); - popup.appendChild(title); - popup.appendChild(contents); - wrapper.appendChild(popup); - return wrapper; - }, - _formatContents: function PopupElement_formatContents(contents) { - var p = document.createElement('p'); - var lines = contents.split(/(?:\r\n?|\n)/); - for (var i = 0, ii = lines.length; i < ii; ++i) { - var line = lines[i]; - p.appendChild(document.createTextNode(line)); - if (i < ii - 1) { - p.appendChild(document.createElement('br')); - } - } - return p; - }, - _toggle: function PopupElement_toggle() { - if (this.pinned) { - this._hide(true); - } else { - this._show(true); - } - }, - _show: function PopupElement_show(pin) { - if (pin) { - this.pinned = true; - } - if (this.hideElement.hasAttribute('hidden')) { - this.hideElement.removeAttribute('hidden'); - this.container.style.zIndex += 1; - } - }, - _hide: function PopupElement_hide(unpin) { - if (unpin) { - this.pinned = false; - } - if (!this.hideElement.hasAttribute('hidden') && !this.pinned) { - this.hideElement.setAttribute('hidden', true); - this.container.style.zIndex -= 1; - } - } +}); + +/***/ }), +/* 56 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +__w_pdfjs_require__(57); +module.exports = __w_pdfjs_require__(9).Number.isInteger; + +/***/ }), +/* 57 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +var $export = __w_pdfjs_require__(7); +$export($export.S, 'Number', { isInteger: __w_pdfjs_require__(58) }); + +/***/ }), +/* 58 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +var isObject = __w_pdfjs_require__(13); +var floor = Math.floor; +module.exports = function isInteger(it) { + return !isObject(it) && isFinite(it) && floor(it) === it; +}; + +/***/ }), +/* 59 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +__w_pdfjs_require__(60); +__w_pdfjs_require__(62); +__w_pdfjs_require__(72); +__w_pdfjs_require__(75); +__w_pdfjs_require__(92); +__w_pdfjs_require__(93); +module.exports = __w_pdfjs_require__(9).Promise; + +/***/ }), +/* 60 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +var classof = __w_pdfjs_require__(61); +var test = {}; +test[__w_pdfjs_require__(28)('toStringTag')] = 'z'; +if (test + '' != '[object z]') { + __w_pdfjs_require__(20)(Object.prototype, 'toString', function toString() { + return '[object ' + classof(this) + ']'; + }, true); +} + +/***/ }), +/* 61 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +var cof = __w_pdfjs_require__(27); +var TAG = __w_pdfjs_require__(28)('toStringTag'); +var ARG = cof(function () { + return arguments; +}()) == 'Arguments'; +var tryGet = function tryGet(it, key) { + try { + return it[key]; + } catch (e) {} +}; +module.exports = function (it) { + var O, T, B; + return it === undefined ? 'Undefined' : it === null ? 'Null' : typeof (T = tryGet(O = Object(it), TAG)) == 'string' ? T : ARG ? cof(O) : (B = cof(O)) == 'Object' && typeof O.callee == 'function' ? 'Arguments' : B; +}; + +/***/ }), +/* 62 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +var $at = __w_pdfjs_require__(63)(true); +__w_pdfjs_require__(64)(String, 'String', function (iterated) { + this._t = String(iterated); + this._i = 0; +}, function () { + var O = this._t; + var index = this._i; + var point; + if (index >= O.length) return { + value: undefined, + done: true }; - return PopupElement; -}(); -var LineAnnotationElement = function LineAnnotationElementClosure() { - var SVG_NS = 'http://www.w3.org/2000/svg'; - function LineAnnotationElement(parameters) { - var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents); - AnnotationElement.call(this, parameters, isRenderable, true); - } - _util.Util.inherit(LineAnnotationElement, AnnotationElement, { - render: function LineAnnotationElement_render() { - this.container.className = 'lineAnnotation'; - var data = this.data; - var width = data.rect[2] - data.rect[0]; - var height = data.rect[3] - data.rect[1]; - var svg = document.createElementNS(SVG_NS, 'svg:svg'); - svg.setAttributeNS(null, 'version', '1.1'); - svg.setAttributeNS(null, 'width', width + 'px'); - svg.setAttributeNS(null, 'height', height + 'px'); - svg.setAttributeNS(null, 'preserveAspectRatio', 'none'); - svg.setAttributeNS(null, 'viewBox', '0 0 ' + width + ' ' + height); - var line = document.createElementNS(SVG_NS, 'svg:line'); - line.setAttributeNS(null, 'x1', data.rect[2] - data.lineCoordinates[0]); - line.setAttributeNS(null, 'y1', data.rect[3] - data.lineCoordinates[1]); - line.setAttributeNS(null, 'x2', data.rect[2] - data.lineCoordinates[2]); - line.setAttributeNS(null, 'y2', data.rect[3] - data.lineCoordinates[3]); - line.setAttributeNS(null, 'stroke-width', data.borderStyle.width); - line.setAttributeNS(null, 'stroke', 'transparent'); - svg.appendChild(line); - this.container.append(svg); - this._createPopup(this.container, line, this.data); - return this.container; - } - }); - return LineAnnotationElement; -}(); -var HighlightAnnotationElement = function HighlightAnnotationElementClosure() { - function HighlightAnnotationElement(parameters) { - var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents); - AnnotationElement.call(this, parameters, isRenderable, true); - } - _util.Util.inherit(HighlightAnnotationElement, AnnotationElement, { - render: function HighlightAnnotationElement_render() { - this.container.className = 'highlightAnnotation'; - if (!this.data.hasPopup) { - this._createPopup(this.container, null, this.data); - } - return this.container; - } - }); - return HighlightAnnotationElement; -}(); -var UnderlineAnnotationElement = function UnderlineAnnotationElementClosure() { - function UnderlineAnnotationElement(parameters) { - var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents); - AnnotationElement.call(this, parameters, isRenderable, true); - } - _util.Util.inherit(UnderlineAnnotationElement, AnnotationElement, { - render: function UnderlineAnnotationElement_render() { - this.container.className = 'underlineAnnotation'; - if (!this.data.hasPopup) { - this._createPopup(this.container, null, this.data); - } - return this.container; - } - }); - return UnderlineAnnotationElement; -}(); -var SquigglyAnnotationElement = function SquigglyAnnotationElementClosure() { - function SquigglyAnnotationElement(parameters) { - var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents); - AnnotationElement.call(this, parameters, isRenderable, true); - } - _util.Util.inherit(SquigglyAnnotationElement, AnnotationElement, { - render: function SquigglyAnnotationElement_render() { - this.container.className = 'squigglyAnnotation'; - if (!this.data.hasPopup) { - this._createPopup(this.container, null, this.data); - } - return this.container; - } - }); - return SquigglyAnnotationElement; -}(); -var StrikeOutAnnotationElement = function StrikeOutAnnotationElementClosure() { - function StrikeOutAnnotationElement(parameters) { - var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents); - AnnotationElement.call(this, parameters, isRenderable, true); - } - _util.Util.inherit(StrikeOutAnnotationElement, AnnotationElement, { - render: function StrikeOutAnnotationElement_render() { - this.container.className = 'strikeoutAnnotation'; - if (!this.data.hasPopup) { - this._createPopup(this.container, null, this.data); - } - return this.container; - } - }); - return StrikeOutAnnotationElement; -}(); -var FileAttachmentAnnotationElement = function FileAttachmentAnnotationElementClosure() { - function FileAttachmentAnnotationElement(parameters) { - AnnotationElement.call(this, parameters, true); - var file = this.data.file; - this.filename = (0, _dom_utils.getFilenameFromUrl)(file.filename); - this.content = file.content; - this.linkService.onFileAttachmentAnnotation({ - id: (0, _util.stringToPDFString)(file.filename), - filename: file.filename, - content: file.content - }); - } - _util.Util.inherit(FileAttachmentAnnotationElement, AnnotationElement, { - render: function FileAttachmentAnnotationElement_render() { - this.container.className = 'fileAttachmentAnnotation'; - var trigger = document.createElement('div'); - trigger.style.height = this.container.style.height; - trigger.style.width = this.container.style.width; - trigger.addEventListener('dblclick', this._download.bind(this)); - if (!this.data.hasPopup && (this.data.title || this.data.contents)) { - this._createPopup(this.container, trigger, this.data); - } - this.container.appendChild(trigger); - return this.container; - }, - _download: function FileAttachmentAnnotationElement_download() { - if (!this.downloadManager) { - (0, _util.warn)('Download cannot be started due to unavailable download manager'); - return; - } - this.downloadManager.downloadData(this.content, this.filename, ''); - } - }); - return FileAttachmentAnnotationElement; -}(); -var AnnotationLayer = function AnnotationLayerClosure() { + point = $at(O, index); + this._i += point.length; return { - render: function AnnotationLayer_render(parameters) { - var annotationElementFactory = new AnnotationElementFactory(); - for (var i = 0, ii = parameters.annotations.length; i < ii; i++) { - var data = parameters.annotations[i]; - if (!data) { - continue; - } - var element = annotationElementFactory.create({ - data: data, - layer: parameters.div, - page: parameters.page, - viewport: parameters.viewport, - linkService: parameters.linkService, - downloadManager: parameters.downloadManager, - imageResourcesPath: parameters.imageResourcesPath || (0, _dom_utils.getDefaultSetting)('imageResourcesPath'), - renderInteractiveForms: parameters.renderInteractiveForms || false - }); - if (element.isRenderable) { - parameters.div.appendChild(element.render()); - } - } - }, - update: function AnnotationLayer_update(parameters) { - for (var i = 0, ii = parameters.annotations.length; i < ii; i++) { - var data = parameters.annotations[i]; - var element = parameters.div.querySelector('[data-annotation-id="' + data.id + '"]'); - if (element) { - _dom_utils.CustomStyle.setProp('transform', element, 'matrix(' + parameters.viewport.transform.join(',') + ')'); - } - } - parameters.div.removeAttribute('hidden'); - } + value: point, + done: false }; -}(); -exports.AnnotationLayer = AnnotationLayer; +}); /***/ }), -/* 4 */ +/* 63 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; -Object.defineProperty(exports, "__esModule", { - value: true -}); -exports.SVGGraphics = undefined; +var toInteger = __w_pdfjs_require__(39); +var defined = __w_pdfjs_require__(31); +module.exports = function (TO_STRING) { + return function (that, pos) { + var s = String(defined(that)); + var i = toInteger(pos); + var l = s.length; + var a, b; + if (i < 0 || i >= l) return TO_STRING ? '' : undefined; + a = s.charCodeAt(i); + return a < 0xd800 || a > 0xdbff || i + 1 === l || (b = s.charCodeAt(i + 1)) < 0xdc00 || b > 0xdfff ? TO_STRING ? s.charAt(i) : a : TO_STRING ? s.slice(i, i + 2) : (a - 0xd800 << 10) + (b - 0xdc00) + 0x10000; + }; +}; + +/***/ }), +/* 64 */ +/***/ (function(module, exports, __w_pdfjs_require__) { -var _util = __w_pdfjs_require__(0); +"use strict"; -var SVGGraphics = function SVGGraphics() { - throw new Error('Not implemented: SVGGraphics'); + +var LIBRARY = __w_pdfjs_require__(30); +var $export = __w_pdfjs_require__(7); +var redefine = __w_pdfjs_require__(20); +var hide = __w_pdfjs_require__(10); +var Iterators = __w_pdfjs_require__(65); +var $iterCreate = __w_pdfjs_require__(66); +var setToStringTag = __w_pdfjs_require__(70); +var getPrototypeOf = __w_pdfjs_require__(71); +var ITERATOR = __w_pdfjs_require__(28)('iterator'); +var BUGGY = !([].keys && 'next' in [].keys()); +var FF_ITERATOR = '@@iterator'; +var KEYS = 'keys'; +var VALUES = 'values'; +var returnThis = function returnThis() { + return this; }; -{ - var SVG_DEFAULTS = { - fontStyle: 'normal', - fontWeight: 'normal', - fillColor: '#000000' +module.exports = function (Base, NAME, Constructor, next, DEFAULT, IS_SET, FORCED) { + $iterCreate(Constructor, NAME, next); + var getMethod = function getMethod(kind) { + if (!BUGGY && kind in proto) return proto[kind]; + switch (kind) { + case KEYS: + return function keys() { + return new Constructor(this, kind); + }; + case VALUES: + return function values() { + return new Constructor(this, kind); + }; + } + return function entries() { + return new Constructor(this, kind); + }; }; - var convertImgDataToPng = function convertImgDataToPngClosure() { - var PNG_HEADER = new Uint8Array([0x89, 0x50, 0x4e, 0x47, 0x0d, 0x0a, 0x1a, 0x0a]); - var CHUNK_WRAPPER_SIZE = 12; - var crcTable = new Int32Array(256); - for (var i = 0; i < 256; i++) { - var c = i; - for (var h = 0; h < 8; h++) { - if (c & 1) { - c = 0xedB88320 ^ c >> 1 & 0x7fffffff; - } else { - c = c >> 1 & 0x7fffffff; - } - } - crcTable[i] = c; + var TAG = NAME + ' Iterator'; + var DEF_VALUES = DEFAULT == VALUES; + var VALUES_BUG = false; + var proto = Base.prototype; + var $native = proto[ITERATOR] || proto[FF_ITERATOR] || DEFAULT && proto[DEFAULT]; + var $default = $native || getMethod(DEFAULT); + var $entries = DEFAULT ? !DEF_VALUES ? $default : getMethod('entries') : undefined; + var $anyNative = NAME == 'Array' ? proto.entries || $native : $native; + var methods, key, IteratorPrototype; + if ($anyNative) { + IteratorPrototype = getPrototypeOf($anyNative.call(new Base())); + if (IteratorPrototype !== Object.prototype && IteratorPrototype.next) { + setToStringTag(IteratorPrototype, TAG, true); + if (!LIBRARY && typeof IteratorPrototype[ITERATOR] != 'function') hide(IteratorPrototype, ITERATOR, returnThis); + } + } + if (DEF_VALUES && $native && $native.name !== VALUES) { + VALUES_BUG = true; + $default = function values() { + return $native.call(this); + }; + } + if ((!LIBRARY || FORCED) && (BUGGY || VALUES_BUG || !proto[ITERATOR])) { + hide(proto, ITERATOR, $default); + } + Iterators[NAME] = $default; + Iterators[TAG] = returnThis; + if (DEFAULT) { + methods = { + values: DEF_VALUES ? $default : getMethod(VALUES), + keys: IS_SET ? $default : getMethod(KEYS), + entries: $entries + }; + if (FORCED) for (key in methods) { + if (!(key in proto)) redefine(proto, key, methods[key]); + } else $export($export.P + $export.F * (BUGGY || VALUES_BUG), NAME, methods); + } + return methods; +}; + +/***/ }), +/* 65 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +module.exports = {}; + +/***/ }), +/* 66 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +var create = __w_pdfjs_require__(67); +var descriptor = __w_pdfjs_require__(19); +var setToStringTag = __w_pdfjs_require__(70); +var IteratorPrototype = {}; +__w_pdfjs_require__(10)(IteratorPrototype, __w_pdfjs_require__(28)('iterator'), function () { + return this; +}); +module.exports = function (Constructor, NAME, next) { + Constructor.prototype = create(IteratorPrototype, { next: descriptor(1, next) }); + setToStringTag(Constructor, NAME + ' Iterator'); +}; + +/***/ }), +/* 67 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +var anObject = __w_pdfjs_require__(12); +var dPs = __w_pdfjs_require__(68); +var enumBugKeys = __w_pdfjs_require__(48); +var IE_PROTO = __w_pdfjs_require__(47)('IE_PROTO'); +var Empty = function Empty() {}; +var PROTOTYPE = 'prototype'; +var _createDict = function createDict() { + var iframe = __w_pdfjs_require__(17)('iframe'); + var i = enumBugKeys.length; + var lt = '<'; + var gt = '>'; + var iframeDocument; + iframe.style.display = 'none'; + __w_pdfjs_require__(69).appendChild(iframe); + iframe.src = 'javascript:'; + iframeDocument = iframe.contentWindow.document; + iframeDocument.open(); + iframeDocument.write(lt + 'script' + gt + 'document.F=Object' + lt + '/script' + gt); + iframeDocument.close(); + _createDict = iframeDocument.F; + while (i--) { + delete _createDict[PROTOTYPE][enumBugKeys[i]]; + }return _createDict(); +}; +module.exports = Object.create || function create(O, Properties) { + var result; + if (O !== null) { + Empty[PROTOTYPE] = anObject(O); + result = new Empty(); + Empty[PROTOTYPE] = null; + result[IE_PROTO] = O; + } else result = _createDict(); + return Properties === undefined ? result : dPs(result, Properties); +}; + +/***/ }), +/* 68 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +var dP = __w_pdfjs_require__(11); +var anObject = __w_pdfjs_require__(12); +var getKeys = __w_pdfjs_require__(45); +module.exports = __w_pdfjs_require__(15) ? Object.defineProperties : function defineProperties(O, Properties) { + anObject(O); + var keys = getKeys(Properties); + var length = keys.length; + var i = 0; + var P; + while (length > i) { + dP.f(O, P = keys[i++], Properties[P]); + }return O; +}; + +/***/ }), +/* 69 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +var document = __w_pdfjs_require__(8).document; +module.exports = document && document.documentElement; + +/***/ }), +/* 70 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +var def = __w_pdfjs_require__(11).f; +var has = __w_pdfjs_require__(21); +var TAG = __w_pdfjs_require__(28)('toStringTag'); +module.exports = function (it, tag, stat) { + if (it && !has(it = stat ? it : it.prototype, TAG)) def(it, TAG, { + configurable: true, + value: tag + }); +}; + +/***/ }), +/* 71 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +var has = __w_pdfjs_require__(21); +var toObject = __w_pdfjs_require__(51); +var IE_PROTO = __w_pdfjs_require__(47)('IE_PROTO'); +var ObjectProto = Object.prototype; +module.exports = Object.getPrototypeOf || function (O) { + O = toObject(O); + if (has(O, IE_PROTO)) return O[IE_PROTO]; + if (typeof O.constructor == 'function' && O instanceof O.constructor) { + return O.constructor.prototype; + } + return O instanceof Object ? ObjectProto : null; +}; + +/***/ }), +/* 72 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +var $iterators = __w_pdfjs_require__(73); +var getKeys = __w_pdfjs_require__(45); +var redefine = __w_pdfjs_require__(20); +var global = __w_pdfjs_require__(8); +var hide = __w_pdfjs_require__(10); +var Iterators = __w_pdfjs_require__(65); +var wks = __w_pdfjs_require__(28); +var ITERATOR = wks('iterator'); +var TO_STRING_TAG = wks('toStringTag'); +var ArrayValues = Iterators.Array; +var DOMIterables = { + CSSRuleList: true, + CSSStyleDeclaration: false, + CSSValueList: false, + ClientRectList: false, + DOMRectList: false, + DOMStringList: false, + DOMTokenList: true, + DataTransferItemList: false, + FileList: false, + HTMLAllCollection: false, + HTMLCollection: false, + HTMLFormElement: false, + HTMLSelectElement: false, + MediaList: true, + MimeTypeArray: false, + NamedNodeMap: false, + NodeList: true, + PaintRequestList: false, + Plugin: false, + PluginArray: false, + SVGLengthList: false, + SVGNumberList: false, + SVGPathSegList: false, + SVGPointList: false, + SVGStringList: false, + SVGTransformList: false, + SourceBufferList: false, + StyleSheetList: true, + TextTrackCueList: false, + TextTrackList: false, + TouchList: false +}; +for (var collections = getKeys(DOMIterables), i = 0; i < collections.length; i++) { + var NAME = collections[i]; + var explicit = DOMIterables[NAME]; + var Collection = global[NAME]; + var proto = Collection && Collection.prototype; + var key; + if (proto) { + if (!proto[ITERATOR]) hide(proto, ITERATOR, ArrayValues); + if (!proto[TO_STRING_TAG]) hide(proto, TO_STRING_TAG, NAME); + Iterators[NAME] = ArrayValues; + if (explicit) for (key in $iterators) { + if (!proto[key]) redefine(proto, key, $iterators[key], true); } - function crc32(data, start, end) { - var crc = -1; - for (var i = start; i < end; i++) { - var a = (crc ^ data[i]) & 0xff; - var b = crcTable[a]; - crc = crc >>> 8 ^ b; + } +} + +/***/ }), +/* 73 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +var addToUnscopables = __w_pdfjs_require__(41); +var step = __w_pdfjs_require__(74); +var Iterators = __w_pdfjs_require__(65); +var toIObject = __w_pdfjs_require__(36); +module.exports = __w_pdfjs_require__(64)(Array, 'Array', function (iterated, kind) { + this._t = toIObject(iterated); + this._i = 0; + this._k = kind; +}, function () { + var O = this._t; + var kind = this._k; + var index = this._i++; + if (!O || index >= O.length) { + this._t = undefined; + return step(1); + } + if (kind == 'keys') return step(0, index); + if (kind == 'values') return step(0, O[index]); + return step(0, [index, O[index]]); +}, 'values'); +Iterators.Arguments = Iterators.Array; +addToUnscopables('keys'); +addToUnscopables('values'); +addToUnscopables('entries'); + +/***/ }), +/* 74 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +module.exports = function (done, value) { + return { + value: value, + done: !!done + }; +}; + +/***/ }), +/* 75 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +var LIBRARY = __w_pdfjs_require__(30); +var global = __w_pdfjs_require__(8); +var ctx = __w_pdfjs_require__(23); +var classof = __w_pdfjs_require__(61); +var $export = __w_pdfjs_require__(7); +var isObject = __w_pdfjs_require__(13); +var aFunction = __w_pdfjs_require__(24); +var anInstance = __w_pdfjs_require__(76); +var forOf = __w_pdfjs_require__(77); +var speciesConstructor = __w_pdfjs_require__(81); +var task = __w_pdfjs_require__(82).set; +var microtask = __w_pdfjs_require__(84)(); +var newPromiseCapabilityModule = __w_pdfjs_require__(85); +var perform = __w_pdfjs_require__(86); +var userAgent = __w_pdfjs_require__(87); +var promiseResolve = __w_pdfjs_require__(88); +var PROMISE = 'Promise'; +var TypeError = global.TypeError; +var process = global.process; +var versions = process && process.versions; +var v8 = versions && versions.v8 || ''; +var $Promise = global[PROMISE]; +var isNode = classof(process) == 'process'; +var empty = function empty() {}; +var Internal, newGenericPromiseCapability, OwnPromiseCapability, Wrapper; +var newPromiseCapability = newGenericPromiseCapability = newPromiseCapabilityModule.f; +var USE_NATIVE = !!function () { + try { + var promise = $Promise.resolve(1); + var FakePromise = (promise.constructor = {})[__w_pdfjs_require__(28)('species')] = function (exec) { + exec(empty, empty); + }; + return (isNode || typeof PromiseRejectionEvent == 'function') && promise.then(empty) instanceof FakePromise && v8.indexOf('6.6') !== 0 && userAgent.indexOf('Chrome/66') === -1; + } catch (e) {} +}(); +var isThenable = function isThenable(it) { + var then; + return isObject(it) && typeof (then = it.then) == 'function' ? then : false; +}; +var notify = function notify(promise, isReject) { + if (promise._n) return; + promise._n = true; + var chain = promise._c; + microtask(function () { + var value = promise._v; + var ok = promise._s == 1; + var i = 0; + var run = function run(reaction) { + var handler = ok ? reaction.ok : reaction.fail; + var resolve = reaction.resolve; + var reject = reaction.reject; + var domain = reaction.domain; + var result, then, exited; + try { + if (handler) { + if (!ok) { + if (promise._h == 2) onHandleUnhandled(promise); + promise._h = 1; + } + if (handler === true) result = value;else { + if (domain) domain.enter(); + result = handler(value); + if (domain) { + domain.exit(); + exited = true; + } + } + if (result === reaction.promise) { + reject(TypeError('Promise-chain cycle')); + } else if (then = isThenable(result)) { + then.call(result, resolve, reject); + } else resolve(result); + } else reject(value); + } catch (e) { + if (domain && !exited) domain.exit(); + reject(e); } - return crc ^ -1; - } - function writePngChunk(type, body, data, offset) { - var p = offset; - var len = body.length; - data[p] = len >> 24 & 0xff; - data[p + 1] = len >> 16 & 0xff; - data[p + 2] = len >> 8 & 0xff; - data[p + 3] = len & 0xff; - p += 4; - data[p] = type.charCodeAt(0) & 0xff; - data[p + 1] = type.charCodeAt(1) & 0xff; - data[p + 2] = type.charCodeAt(2) & 0xff; - data[p + 3] = type.charCodeAt(3) & 0xff; - p += 4; - data.set(body, p); - p += body.length; - var crc = crc32(data, offset + 4, p); - data[p] = crc >> 24 & 0xff; - data[p + 1] = crc >> 16 & 0xff; - data[p + 2] = crc >> 8 & 0xff; - data[p + 3] = crc & 0xff; + }; + while (chain.length > i) { + run(chain[i++]); + }promise._c = []; + promise._n = false; + if (isReject && !promise._h) onUnhandled(promise); + }); +}; +var onUnhandled = function onUnhandled(promise) { + task.call(global, function () { + var value = promise._v; + var unhandled = isUnhandled(promise); + var result, handler, console; + if (unhandled) { + result = perform(function () { + if (isNode) { + process.emit('unhandledRejection', value, promise); + } else if (handler = global.onunhandledrejection) { + handler({ + promise: promise, + reason: value + }); + } else if ((console = global.console) && console.error) { + console.error('Unhandled promise rejection', value); + } + }); + promise._h = isNode || isUnhandled(promise) ? 2 : 1; } - function adler32(data, start, end) { - var a = 1; - var b = 0; - for (var i = start; i < end; ++i) { - a = (a + (data[i] & 0xff)) % 65521; - b = (b + a) % 65521; - } - return b << 16 | a; + promise._a = undefined; + if (unhandled && result.e) throw result.v; + }); +}; +var isUnhandled = function isUnhandled(promise) { + return promise._h !== 1 && (promise._a || promise._c).length === 0; +}; +var onHandleUnhandled = function onHandleUnhandled(promise) { + task.call(global, function () { + var handler; + if (isNode) { + process.emit('rejectionHandled', promise); + } else if (handler = global.onrejectionhandled) { + handler({ + promise: promise, + reason: promise._v + }); } - function deflateSync(literals) { - if (!(0, _util.isNodeJS)()) { - return deflateSyncUncompressed(literals); - } - try { - var input; - if (parseInt(process.versions.node) >= 8) { - input = literals; - } else { - input = new Buffer(literals); + }); +}; +var $reject = function $reject(value) { + var promise = this; + if (promise._d) return; + promise._d = true; + promise = promise._w || promise; + promise._v = value; + promise._s = 2; + if (!promise._a) promise._a = promise._c.slice(); + notify(promise, true); +}; +var $resolve = function $resolve(value) { + var promise = this; + var then; + if (promise._d) return; + promise._d = true; + promise = promise._w || promise; + try { + if (promise === value) throw TypeError("Promise can't be resolved itself"); + if (then = isThenable(value)) { + microtask(function () { + var wrapper = { + _w: promise, + _d: false + }; + try { + then.call(value, ctx($resolve, wrapper, 1), ctx($reject, wrapper, 1)); + } catch (e) { + $reject.call(wrapper, e); } - var output = require('zlib').deflateSync(input, { level: 9 }); - return output instanceof Uint8Array ? output : new Uint8Array(output); - } catch (e) { - (0, _util.warn)('Not compressing PNG because zlib.deflateSync is unavailable: ' + e); - } - return deflateSyncUncompressed(literals); + }); + } else { + promise._v = value; + promise._s = 1; + notify(promise, false); } - function deflateSyncUncompressed(literals) { - var len = literals.length; - var maxBlockLength = 0xFFFF; - var deflateBlocks = Math.ceil(len / maxBlockLength); - var idat = new Uint8Array(2 + len + deflateBlocks * 5 + 4); - var pi = 0; - idat[pi++] = 0x78; - idat[pi++] = 0x9c; - var pos = 0; - while (len > maxBlockLength) { - idat[pi++] = 0x00; - idat[pi++] = 0xff; - idat[pi++] = 0xff; - idat[pi++] = 0x00; - idat[pi++] = 0x00; - idat.set(literals.subarray(pos, pos + maxBlockLength), pi); - pi += maxBlockLength; - pos += maxBlockLength; - len -= maxBlockLength; - } - idat[pi++] = 0x01; - idat[pi++] = len & 0xff; - idat[pi++] = len >> 8 & 0xff; - idat[pi++] = ~len & 0xffff & 0xff; - idat[pi++] = (~len & 0xffff) >> 8 & 0xff; - idat.set(literals.subarray(pos), pi); - pi += literals.length - pos; - var adler = adler32(literals, 0, literals.length); - idat[pi++] = adler >> 24 & 0xff; - idat[pi++] = adler >> 16 & 0xff; - idat[pi++] = adler >> 8 & 0xff; - idat[pi++] = adler & 0xff; - return idat; + } catch (e) { + $reject.call({ + _w: promise, + _d: false + }, e); + } +}; +if (!USE_NATIVE) { + $Promise = function Promise(executor) { + anInstance(this, $Promise, PROMISE, '_h'); + aFunction(executor); + Internal.call(this); + try { + executor(ctx($resolve, this, 1), ctx($reject, this, 1)); + } catch (err) { + $reject.call(this, err); } - function encode(imgData, kind, forceDataSchema) { - var width = imgData.width; - var height = imgData.height; - var bitDepth, colorType, lineSize; - var bytes = imgData.data; - switch (kind) { - case _util.ImageKind.GRAYSCALE_1BPP: - colorType = 0; - bitDepth = 1; - lineSize = width + 7 >> 3; - break; - case _util.ImageKind.RGB_24BPP: - colorType = 2; - bitDepth = 8; - lineSize = width * 3; - break; - case _util.ImageKind.RGBA_32BPP: - colorType = 6; - bitDepth = 8; - lineSize = width * 4; - break; - default: - throw new Error('invalid format'); - } - var literals = new Uint8Array((1 + lineSize) * height); - var offsetLiterals = 0, - offsetBytes = 0; - var y, i; - for (y = 0; y < height; ++y) { - literals[offsetLiterals++] = 0; - literals.set(bytes.subarray(offsetBytes, offsetBytes + lineSize), offsetLiterals); - offsetBytes += lineSize; - offsetLiterals += lineSize; - } - if (kind === _util.ImageKind.GRAYSCALE_1BPP) { - offsetLiterals = 0; - for (y = 0; y < height; y++) { - offsetLiterals++; - for (i = 0; i < lineSize; i++) { - literals[offsetLiterals++] ^= 0xFF; - } - } - } - var ihdr = new Uint8Array([width >> 24 & 0xff, width >> 16 & 0xff, width >> 8 & 0xff, width & 0xff, height >> 24 & 0xff, height >> 16 & 0xff, height >> 8 & 0xff, height & 0xff, bitDepth, colorType, 0x00, 0x00, 0x00]); - var idat = deflateSync(literals); - var pngLength = PNG_HEADER.length + CHUNK_WRAPPER_SIZE * 3 + ihdr.length + idat.length; - var data = new Uint8Array(pngLength); - var offset = 0; - data.set(PNG_HEADER, offset); - offset += PNG_HEADER.length; - writePngChunk('IHDR', ihdr, data, offset); - offset += CHUNK_WRAPPER_SIZE + ihdr.length; - writePngChunk('IDATA', idat, data, offset); - offset += CHUNK_WRAPPER_SIZE + idat.length; - writePngChunk('IEND', new Uint8Array(0), data, offset); - return (0, _util.createObjectURL)(data, 'image/png', forceDataSchema); + }; + Internal = function Promise(executor) { + this._c = []; + this._a = undefined; + this._s = 0; + this._d = false; + this._v = undefined; + this._h = 0; + this._n = false; + }; + Internal.prototype = __w_pdfjs_require__(89)($Promise.prototype, { + then: function then(onFulfilled, onRejected) { + var reaction = newPromiseCapability(speciesConstructor(this, $Promise)); + reaction.ok = typeof onFulfilled == 'function' ? onFulfilled : true; + reaction.fail = typeof onRejected == 'function' && onRejected; + reaction.domain = isNode ? process.domain : undefined; + this._c.push(reaction); + if (this._a) this._a.push(reaction); + if (this._s) notify(this, false); + return reaction.promise; + }, + 'catch': function _catch(onRejected) { + return this.then(undefined, onRejected); } - return function convertImgDataToPng(imgData, forceDataSchema) { - var kind = imgData.kind === undefined ? _util.ImageKind.GRAYSCALE_1BPP : imgData.kind; - return encode(imgData, kind, forceDataSchema); + }); + OwnPromiseCapability = function OwnPromiseCapability() { + var promise = new Internal(); + this.promise = promise; + this.resolve = ctx($resolve, promise, 1); + this.reject = ctx($reject, promise, 1); + }; + newPromiseCapabilityModule.f = newPromiseCapability = function newPromiseCapability(C) { + return C === $Promise || C === Wrapper ? new OwnPromiseCapability(C) : newGenericPromiseCapability(C); + }; +} +$export($export.G + $export.W + $export.F * !USE_NATIVE, { Promise: $Promise }); +__w_pdfjs_require__(70)($Promise, PROMISE); +__w_pdfjs_require__(90)(PROMISE); +Wrapper = __w_pdfjs_require__(9)[PROMISE]; +$export($export.S + $export.F * !USE_NATIVE, PROMISE, { + reject: function reject(r) { + var capability = newPromiseCapability(this); + var $$reject = capability.reject; + $$reject(r); + return capability.promise; + } +}); +$export($export.S + $export.F * (LIBRARY || !USE_NATIVE), PROMISE, { + resolve: function resolve(x) { + return promiseResolve(LIBRARY && this === Wrapper ? $Promise : this, x); + } +}); +$export($export.S + $export.F * !(USE_NATIVE && __w_pdfjs_require__(91)(function (iter) { + $Promise.all(iter)['catch'](empty); +})), PROMISE, { + all: function all(iterable) { + var C = this; + var capability = newPromiseCapability(C); + var resolve = capability.resolve; + var reject = capability.reject; + var result = perform(function () { + var values = []; + var index = 0; + var remaining = 1; + forOf(iterable, false, function (promise) { + var $index = index++; + var alreadyCalled = false; + values.push(undefined); + remaining++; + C.resolve(promise).then(function (value) { + if (alreadyCalled) return; + alreadyCalled = true; + values[$index] = value; + --remaining || resolve(values); + }, reject); + }); + --remaining || resolve(values); + }); + if (result.e) reject(result.v); + return capability.promise; + }, + race: function race(iterable) { + var C = this; + var capability = newPromiseCapability(C); + var reject = capability.reject; + var result = perform(function () { + forOf(iterable, false, function (promise) { + C.resolve(promise).then(capability.resolve, reject); + }); + }); + if (result.e) reject(result.v); + return capability.promise; + } +}); + +/***/ }), +/* 76 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +module.exports = function (it, Constructor, name, forbiddenField) { + if (!(it instanceof Constructor) || forbiddenField !== undefined && forbiddenField in it) { + throw TypeError(name + ': incorrect invocation!'); + } + return it; +}; + +/***/ }), +/* 77 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +var ctx = __w_pdfjs_require__(23); +var call = __w_pdfjs_require__(78); +var isArrayIter = __w_pdfjs_require__(79); +var anObject = __w_pdfjs_require__(12); +var toLength = __w_pdfjs_require__(38); +var getIterFn = __w_pdfjs_require__(80); +var BREAK = {}; +var RETURN = {}; +var _exports = module.exports = function (iterable, entries, fn, that, ITERATOR) { + var iterFn = ITERATOR ? function () { + return iterable; + } : getIterFn(iterable); + var f = ctx(fn, that, entries ? 2 : 1); + var index = 0; + var length, step, iterator, result; + if (typeof iterFn != 'function') throw TypeError(iterable + ' is not iterable!'); + if (isArrayIter(iterFn)) for (length = toLength(iterable.length); length > index; index++) { + result = entries ? f(anObject(step = iterable[index])[0], step[1]) : f(iterable[index]); + if (result === BREAK || result === RETURN) return result; + } else for (iterator = iterFn.call(iterable); !(step = iterator.next()).done;) { + result = call(iterator, f, step.value, entries); + if (result === BREAK || result === RETURN) return result; + } +}; +_exports.BREAK = BREAK; +_exports.RETURN = RETURN; + +/***/ }), +/* 78 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +var anObject = __w_pdfjs_require__(12); +module.exports = function (iterator, fn, value, entries) { + try { + return entries ? fn(anObject(value)[0], value[1]) : fn(value); + } catch (e) { + var ret = iterator['return']; + if (ret !== undefined) anObject(ret.call(iterator)); + throw e; + } +}; + +/***/ }), +/* 79 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +var Iterators = __w_pdfjs_require__(65); +var ITERATOR = __w_pdfjs_require__(28)('iterator'); +var ArrayProto = Array.prototype; +module.exports = function (it) { + return it !== undefined && (Iterators.Array === it || ArrayProto[ITERATOR] === it); +}; + +/***/ }), +/* 80 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +var classof = __w_pdfjs_require__(61); +var ITERATOR = __w_pdfjs_require__(28)('iterator'); +var Iterators = __w_pdfjs_require__(65); +module.exports = __w_pdfjs_require__(9).getIteratorMethod = function (it) { + if (it != undefined) return it[ITERATOR] || it['@@iterator'] || Iterators[classof(it)]; +}; + +/***/ }), +/* 81 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +var anObject = __w_pdfjs_require__(12); +var aFunction = __w_pdfjs_require__(24); +var SPECIES = __w_pdfjs_require__(28)('species'); +module.exports = function (O, D) { + var C = anObject(O).constructor; + var S; + return C === undefined || (S = anObject(C)[SPECIES]) == undefined ? D : aFunction(S); +}; + +/***/ }), +/* 82 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +var ctx = __w_pdfjs_require__(23); +var invoke = __w_pdfjs_require__(83); +var html = __w_pdfjs_require__(69); +var cel = __w_pdfjs_require__(17); +var global = __w_pdfjs_require__(8); +var process = global.process; +var setTask = global.setImmediate; +var clearTask = global.clearImmediate; +var MessageChannel = global.MessageChannel; +var Dispatch = global.Dispatch; +var counter = 0; +var queue = {}; +var ONREADYSTATECHANGE = 'onreadystatechange'; +var defer, channel, port; +var run = function run() { + var id = +this; + if (queue.hasOwnProperty(id)) { + var fn = queue[id]; + delete queue[id]; + fn(); + } +}; +var listener = function listener(event) { + run.call(event.data); +}; +if (!setTask || !clearTask) { + setTask = function setImmediate(fn) { + var args = []; + var i = 1; + while (arguments.length > i) { + args.push(arguments[i++]); + }queue[++counter] = function () { + invoke(typeof fn == 'function' ? fn : Function(fn), args); }; - }(); - var SVGExtraState = function SVGExtraStateClosure() { - function SVGExtraState() { - this.fontSizeScale = 1; - this.fontWeight = SVG_DEFAULTS.fontWeight; - this.fontSize = 0; - this.textMatrix = _util.IDENTITY_MATRIX; - this.fontMatrix = _util.FONT_IDENTITY_MATRIX; - this.leading = 0; - this.x = 0; - this.y = 0; - this.lineX = 0; - this.lineY = 0; - this.charSpacing = 0; - this.wordSpacing = 0; - this.textHScale = 1; - this.textRise = 0; - this.fillColor = SVG_DEFAULTS.fillColor; - this.strokeColor = '#000000'; - this.fillAlpha = 1; - this.strokeAlpha = 1; - this.lineWidth = 1; - this.lineJoin = ''; - this.lineCap = ''; - this.miterLimit = 0; - this.dashArray = []; - this.dashPhase = 0; - this.dependencies = []; - this.activeClipUrl = null; - this.clipGroup = null; - this.maskId = ''; - } - SVGExtraState.prototype = { - clone: function SVGExtraState_clone() { - return Object.create(this); - }, - setCurrentPoint: function SVGExtraState_setCurrentPoint(x, y) { - this.x = x; - this.y = y; - } + defer(counter); + return counter; + }; + clearTask = function clearImmediate(id) { + delete queue[id]; + }; + if (__w_pdfjs_require__(27)(process) == 'process') { + defer = function defer(id) { + process.nextTick(ctx(run, id, 1)); }; - return SVGExtraState; - }(); - exports.SVGGraphics = SVGGraphics = function SVGGraphicsClosure() { - function opListToTree(opList) { - var opTree = []; - var tmp = []; - var opListLen = opList.length; - for (var x = 0; x < opListLen; x++) { - if (opList[x].fn === 'save') { - opTree.push({ - 'fnId': 92, - 'fn': 'group', - 'items': [] - }); - tmp.push(opTree); - opTree = opTree[opTree.length - 1].items; - continue; - } - if (opList[x].fn === 'restore') { - opTree = tmp.pop(); - } else { - opTree.push(opList[x]); - } - } - return opTree; - } - function pf(value) { - if (value === (value | 0)) { - return value.toString(); - } - var s = value.toFixed(10); - var i = s.length - 1; - if (s[i] !== '0') { - return s; + } else if (Dispatch && Dispatch.now) { + defer = function defer(id) { + Dispatch.now(ctx(run, id, 1)); + }; + } else if (MessageChannel) { + channel = new MessageChannel(); + port = channel.port2; + channel.port1.onmessage = listener; + defer = ctx(port.postMessage, port, 1); + } else if (global.addEventListener && typeof postMessage == 'function' && !global.importScripts) { + defer = function defer(id) { + global.postMessage(id + '', '*'); + }; + global.addEventListener('message', listener, false); + } else if (ONREADYSTATECHANGE in cel('script')) { + defer = function defer(id) { + html.appendChild(cel('script'))[ONREADYSTATECHANGE] = function () { + html.removeChild(this); + run.call(id); + }; + }; + } else { + defer = function defer(id) { + setTimeout(ctx(run, id, 1), 0); + }; + } +} +module.exports = { + set: setTask, + clear: clearTask +}; + +/***/ }), +/* 83 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +module.exports = function (fn, args, that) { + var un = that === undefined; + switch (args.length) { + case 0: + return un ? fn() : fn.call(that); + case 1: + return un ? fn(args[0]) : fn.call(that, args[0]); + case 2: + return un ? fn(args[0], args[1]) : fn.call(that, args[0], args[1]); + case 3: + return un ? fn(args[0], args[1], args[2]) : fn.call(that, args[0], args[1], args[2]); + case 4: + return un ? fn(args[0], args[1], args[2], args[3]) : fn.call(that, args[0], args[1], args[2], args[3]); + } + return fn.apply(that, args); +}; + +/***/ }), +/* 84 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +var global = __w_pdfjs_require__(8); +var macrotask = __w_pdfjs_require__(82).set; +var Observer = global.MutationObserver || global.WebKitMutationObserver; +var process = global.process; +var Promise = global.Promise; +var isNode = __w_pdfjs_require__(27)(process) == 'process'; +module.exports = function () { + var head, last, notify; + var flush = function flush() { + var parent, fn; + if (isNode && (parent = process.domain)) parent.exit(); + while (head) { + fn = head.fn; + head = head.next; + try { + fn(); + } catch (e) { + if (head) notify();else last = undefined; + throw e; } - do { - i--; - } while (s[i] === '0'); - return s.substr(0, s[i] === '.' ? i : i + 1); } - function pm(m) { - if (m[4] === 0 && m[5] === 0) { - if (m[1] === 0 && m[2] === 0) { - if (m[0] === 1 && m[3] === 1) { - return ''; - } - return 'scale(' + pf(m[0]) + ' ' + pf(m[3]) + ')'; - } - if (m[0] === m[3] && m[1] === -m[2]) { - var a = Math.acos(m[0]) * 180 / Math.PI; - return 'rotate(' + pf(a) + ')'; - } - } else { - if (m[0] === 1 && m[1] === 0 && m[2] === 0 && m[3] === 1) { - return 'translate(' + pf(m[4]) + ' ' + pf(m[5]) + ')'; - } - } - return 'matrix(' + pf(m[0]) + ' ' + pf(m[1]) + ' ' + pf(m[2]) + ' ' + pf(m[3]) + ' ' + pf(m[4]) + ' ' + pf(m[5]) + ')'; + last = undefined; + if (parent) parent.enter(); + }; + if (isNode) { + notify = function notify() { + process.nextTick(flush); + }; + } else if (Observer && !(global.navigator && global.navigator.standalone)) { + var toggle = true; + var node = document.createTextNode(''); + new Observer(flush).observe(node, { characterData: true }); + notify = function notify() { + node.data = toggle = !toggle; + }; + } else if (Promise && Promise.resolve) { + var promise = Promise.resolve(undefined); + notify = function notify() { + promise.then(flush); + }; + } else { + notify = function notify() { + macrotask.call(global, flush); + }; + } + return function (fn) { + var task = { + fn: fn, + next: undefined + }; + if (last) last.next = task; + if (!head) { + head = task; + notify(); } - function SVGGraphics(commonObjs, objs, forceDataSchema) { - this.current = new SVGExtraState(); - this.transformMatrix = _util.IDENTITY_MATRIX; - this.transformStack = []; - this.extraStack = []; - this.commonObjs = commonObjs; - this.objs = objs; - this.pendingClip = null; - this.pendingEOFill = false; - this.embedFonts = false; - this.embeddedFonts = Object.create(null); - this.cssStyle = null; - this.forceDataSchema = !!forceDataSchema; + last = task; + }; +}; + +/***/ }), +/* 85 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +var aFunction = __w_pdfjs_require__(24); +function PromiseCapability(C) { + var resolve, reject; + this.promise = new C(function ($$resolve, $$reject) { + if (resolve !== undefined || reject !== undefined) throw TypeError('Bad Promise constructor'); + resolve = $$resolve; + reject = $$reject; + }); + this.resolve = aFunction(resolve); + this.reject = aFunction(reject); +} +module.exports.f = function (C) { + return new PromiseCapability(C); +}; + +/***/ }), +/* 86 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +module.exports = function (exec) { + try { + return { + e: false, + v: exec() + }; + } catch (e) { + return { + e: true, + v: e + }; + } +}; + +/***/ }), +/* 87 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +var global = __w_pdfjs_require__(8); +var navigator = global.navigator; +module.exports = navigator && navigator.userAgent || ''; + +/***/ }), +/* 88 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +var anObject = __w_pdfjs_require__(12); +var isObject = __w_pdfjs_require__(13); +var newPromiseCapability = __w_pdfjs_require__(85); +module.exports = function (C, x) { + anObject(C); + if (isObject(x) && x.constructor === C) return x; + var promiseCapability = newPromiseCapability.f(C); + var resolve = promiseCapability.resolve; + resolve(x); + return promiseCapability.promise; +}; + +/***/ }), +/* 89 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +var redefine = __w_pdfjs_require__(20); +module.exports = function (target, src, safe) { + for (var key in src) { + redefine(target, key, src[key], safe); + }return target; +}; + +/***/ }), +/* 90 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +var global = __w_pdfjs_require__(8); +var dP = __w_pdfjs_require__(11); +var DESCRIPTORS = __w_pdfjs_require__(15); +var SPECIES = __w_pdfjs_require__(28)('species'); +module.exports = function (KEY) { + var C = global[KEY]; + if (DESCRIPTORS && C && !C[SPECIES]) dP.f(C, SPECIES, { + configurable: true, + get: function get() { + return this; } - var NS = 'http://www.w3.org/2000/svg'; - var XML_NS = 'http://www.w3.org/XML/1998/namespace'; - var XLINK_NS = 'http://www.w3.org/1999/xlink'; - var LINE_CAP_STYLES = ['butt', 'round', 'square']; - var LINE_JOIN_STYLES = ['miter', 'round', 'bevel']; - var clipCount = 0; - var maskCount = 0; - SVGGraphics.prototype = { - save: function SVGGraphics_save() { - this.transformStack.push(this.transformMatrix); - var old = this.current; - this.extraStack.push(old); - this.current = old.clone(); - }, - restore: function SVGGraphics_restore() { - this.transformMatrix = this.transformStack.pop(); - this.current = this.extraStack.pop(); - this.pendingClip = null; - this.tgrp = null; - }, - group: function SVGGraphics_group(items) { - this.save(); - this.executeOpTree(items); - this.restore(); - }, - loadDependencies: function SVGGraphics_loadDependencies(operatorList) { - var _this = this; + }); +}; - var fnArray = operatorList.fnArray; - var fnArrayLen = fnArray.length; - var argsArray = operatorList.argsArray; - for (var i = 0; i < fnArrayLen; i++) { - if (_util.OPS.dependency === fnArray[i]) { - var deps = argsArray[i]; - for (var n = 0, nn = deps.length; n < nn; n++) { - var obj = deps[n]; - var common = obj.substring(0, 2) === 'g_'; - var promise; - if (common) { - promise = new Promise(function (resolve) { - _this.commonObjs.get(obj, resolve); - }); - } else { - promise = new Promise(function (resolve) { - _this.objs.get(obj, resolve); - }); - } - this.current.dependencies.push(promise); - } - } - } - return Promise.all(this.current.dependencies); - }, - transform: function SVGGraphics_transform(a, b, c, d, e, f) { - var transformMatrix = [a, b, c, d, e, f]; - this.transformMatrix = _util.Util.transform(this.transformMatrix, transformMatrix); - this.tgrp = null; - }, - getSVG: function SVGGraphics_getSVG(operatorList, viewport) { - var _this2 = this; +/***/ }), +/* 91 */ +/***/ (function(module, exports, __w_pdfjs_require__) { - this.viewport = viewport; - var svgElement = this._initialize(viewport); - return this.loadDependencies(operatorList).then(function () { - _this2.transformMatrix = _util.IDENTITY_MATRIX; - var opTree = _this2.convertOpList(operatorList); - _this2.executeOpTree(opTree); - return svgElement; - }); - }, - convertOpList: function SVGGraphics_convertOpList(operatorList) { - var argsArray = operatorList.argsArray; - var fnArray = operatorList.fnArray; - var fnArrayLen = fnArray.length; - var REVOPS = []; - var opList = []; - for (var op in _util.OPS) { - REVOPS[_util.OPS[op]] = op; - } - for (var x = 0; x < fnArrayLen; x++) { - var fnId = fnArray[x]; - opList.push({ - 'fnId': fnId, - 'fn': REVOPS[fnId], - 'args': argsArray[x] - }); - } - return opListToTree(opList); - }, - executeOpTree: function SVGGraphics_executeOpTree(opTree) { - var opTreeLen = opTree.length; - for (var x = 0; x < opTreeLen; x++) { - var fn = opTree[x].fn; - var fnId = opTree[x].fnId; - var args = opTree[x].args; - switch (fnId | 0) { - case _util.OPS.beginText: - this.beginText(); - break; - case _util.OPS.setLeading: - this.setLeading(args); - break; - case _util.OPS.setLeadingMoveText: - this.setLeadingMoveText(args[0], args[1]); - break; - case _util.OPS.setFont: - this.setFont(args); - break; - case _util.OPS.showText: - this.showText(args[0]); - break; - case _util.OPS.showSpacedText: - this.showText(args[0]); - break; - case _util.OPS.endText: - this.endText(); - break; - case _util.OPS.moveText: - this.moveText(args[0], args[1]); - break; - case _util.OPS.setCharSpacing: - this.setCharSpacing(args[0]); - break; - case _util.OPS.setWordSpacing: - this.setWordSpacing(args[0]); - break; - case _util.OPS.setHScale: - this.setHScale(args[0]); - break; - case _util.OPS.setTextMatrix: - this.setTextMatrix(args[0], args[1], args[2], args[3], args[4], args[5]); - break; - case _util.OPS.setLineWidth: - this.setLineWidth(args[0]); - break; - case _util.OPS.setLineJoin: - this.setLineJoin(args[0]); - break; - case _util.OPS.setLineCap: - this.setLineCap(args[0]); - break; - case _util.OPS.setMiterLimit: - this.setMiterLimit(args[0]); - break; - case _util.OPS.setFillRGBColor: - this.setFillRGBColor(args[0], args[1], args[2]); - break; - case _util.OPS.setStrokeRGBColor: - this.setStrokeRGBColor(args[0], args[1], args[2]); - break; - case _util.OPS.setDash: - this.setDash(args[0], args[1]); - break; - case _util.OPS.setGState: - this.setGState(args[0]); - break; - case _util.OPS.fill: - this.fill(); - break; - case _util.OPS.eoFill: - this.eoFill(); - break; - case _util.OPS.stroke: - this.stroke(); - break; - case _util.OPS.fillStroke: - this.fillStroke(); - break; - case _util.OPS.eoFillStroke: - this.eoFillStroke(); - break; - case _util.OPS.clip: - this.clip('nonzero'); - break; - case _util.OPS.eoClip: - this.clip('evenodd'); - break; - case _util.OPS.paintSolidColorImageMask: - this.paintSolidColorImageMask(); - break; - case _util.OPS.paintJpegXObject: - this.paintJpegXObject(args[0], args[1], args[2]); - break; - case _util.OPS.paintImageXObject: - this.paintImageXObject(args[0]); - break; - case _util.OPS.paintInlineImageXObject: - this.paintInlineImageXObject(args[0]); - break; - case _util.OPS.paintImageMaskXObject: - this.paintImageMaskXObject(args[0]); - break; - case _util.OPS.paintFormXObjectBegin: - this.paintFormXObjectBegin(args[0], args[1]); - break; - case _util.OPS.paintFormXObjectEnd: - this.paintFormXObjectEnd(); - break; - case _util.OPS.closePath: - this.closePath(); - break; - case _util.OPS.closeStroke: - this.closeStroke(); - break; - case _util.OPS.closeFillStroke: - this.closeFillStroke(); - break; - case _util.OPS.nextLine: - this.nextLine(); - break; - case _util.OPS.transform: - this.transform(args[0], args[1], args[2], args[3], args[4], args[5]); - break; - case _util.OPS.constructPath: - this.constructPath(args[0], args[1]); - break; - case _util.OPS.endPath: - this.endPath(); - break; - case 92: - this.group(opTree[x].items); - break; - default: - (0, _util.warn)('Unimplemented operator ' + fn); - break; - } - } - }, - setWordSpacing: function SVGGraphics_setWordSpacing(wordSpacing) { - this.current.wordSpacing = wordSpacing; - }, - setCharSpacing: function SVGGraphics_setCharSpacing(charSpacing) { - this.current.charSpacing = charSpacing; - }, - nextLine: function SVGGraphics_nextLine() { - this.moveText(0, this.current.leading); - }, - setTextMatrix: function SVGGraphics_setTextMatrix(a, b, c, d, e, f) { - var current = this.current; - this.current.textMatrix = this.current.lineMatrix = [a, b, c, d, e, f]; - this.current.x = this.current.lineX = 0; - this.current.y = this.current.lineY = 0; - current.xcoords = []; - current.tspan = document.createElementNS(NS, 'svg:tspan'); - current.tspan.setAttributeNS(null, 'font-family', current.fontFamily); - current.tspan.setAttributeNS(null, 'font-size', pf(current.fontSize) + 'px'); - current.tspan.setAttributeNS(null, 'y', pf(-current.y)); - current.txtElement = document.createElementNS(NS, 'svg:text'); - current.txtElement.appendChild(current.tspan); - }, - beginText: function SVGGraphics_beginText() { - this.current.x = this.current.lineX = 0; - this.current.y = this.current.lineY = 0; - this.current.textMatrix = _util.IDENTITY_MATRIX; - this.current.lineMatrix = _util.IDENTITY_MATRIX; - this.current.tspan = document.createElementNS(NS, 'svg:tspan'); - this.current.txtElement = document.createElementNS(NS, 'svg:text'); - this.current.txtgrp = document.createElementNS(NS, 'svg:g'); - this.current.xcoords = []; - }, - moveText: function SVGGraphics_moveText(x, y) { - var current = this.current; - this.current.x = this.current.lineX += x; - this.current.y = this.current.lineY += y; - current.xcoords = []; - current.tspan = document.createElementNS(NS, 'svg:tspan'); - current.tspan.setAttributeNS(null, 'font-family', current.fontFamily); - current.tspan.setAttributeNS(null, 'font-size', pf(current.fontSize) + 'px'); - current.tspan.setAttributeNS(null, 'y', pf(-current.y)); - }, - showText: function SVGGraphics_showText(glyphs) { - var current = this.current; - var font = current.font; - var fontSize = current.fontSize; - if (fontSize === 0) { - return; - } - var charSpacing = current.charSpacing; - var wordSpacing = current.wordSpacing; - var fontDirection = current.fontDirection; - var textHScale = current.textHScale * fontDirection; - var glyphsLength = glyphs.length; - var vertical = font.vertical; - var widthAdvanceScale = fontSize * current.fontMatrix[0]; - var x = 0, - i; - for (i = 0; i < glyphsLength; ++i) { - var glyph = glyphs[i]; - if (glyph === null) { - x += fontDirection * wordSpacing; - continue; - } else if ((0, _util.isNum)(glyph)) { - x += -glyph * fontSize * 0.001; - continue; - } - current.xcoords.push(current.x + x * textHScale); - var width = glyph.width; - var character = glyph.fontChar; - var spacing = (glyph.isSpace ? wordSpacing : 0) + charSpacing; - var charWidth = width * widthAdvanceScale + spacing * fontDirection; - x += charWidth; - current.tspan.textContent += character; - } - if (vertical) { - current.y -= x * textHScale; - } else { - current.x += x * textHScale; - } - current.tspan.setAttributeNS(null, 'x', current.xcoords.map(pf).join(' ')); - current.tspan.setAttributeNS(null, 'y', pf(-current.y)); - current.tspan.setAttributeNS(null, 'font-family', current.fontFamily); - current.tspan.setAttributeNS(null, 'font-size', pf(current.fontSize) + 'px'); - if (current.fontStyle !== SVG_DEFAULTS.fontStyle) { - current.tspan.setAttributeNS(null, 'font-style', current.fontStyle); - } - if (current.fontWeight !== SVG_DEFAULTS.fontWeight) { - current.tspan.setAttributeNS(null, 'font-weight', current.fontWeight); - } - if (current.fillColor !== SVG_DEFAULTS.fillColor) { - current.tspan.setAttributeNS(null, 'fill', current.fillColor); - } - current.txtElement.setAttributeNS(null, 'transform', pm(current.textMatrix) + ' scale(1, -1)'); - current.txtElement.setAttributeNS(XML_NS, 'xml:space', 'preserve'); - current.txtElement.appendChild(current.tspan); - current.txtgrp.appendChild(current.txtElement); - this._ensureTransformGroup().appendChild(current.txtElement); +"use strict"; + + +var ITERATOR = __w_pdfjs_require__(28)('iterator'); +var SAFE_CLOSING = false; +try { + var riter = [7][ITERATOR](); + riter['return'] = function () { + SAFE_CLOSING = true; + }; + Array.from(riter, function () { + throw 2; + }); +} catch (e) {} +module.exports = function (exec, skipClosing) { + if (!skipClosing && !SAFE_CLOSING) return false; + var safe = false; + try { + var arr = [7]; + var iter = arr[ITERATOR](); + iter.next = function () { + return { done: safe = true }; + }; + arr[ITERATOR] = function () { + return iter; + }; + exec(arr); + } catch (e) {} + return safe; +}; + +/***/ }), +/* 92 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +var $export = __w_pdfjs_require__(7); +var core = __w_pdfjs_require__(9); +var global = __w_pdfjs_require__(8); +var speciesConstructor = __w_pdfjs_require__(81); +var promiseResolve = __w_pdfjs_require__(88); +$export($export.P + $export.R, 'Promise', { + 'finally': function _finally(onFinally) { + var C = speciesConstructor(this, core.Promise || global.Promise); + var isFunction = typeof onFinally == 'function'; + return this.then(isFunction ? function (x) { + return promiseResolve(C, onFinally()).then(function () { + return x; + }); + } : onFinally, isFunction ? function (e) { + return promiseResolve(C, onFinally()).then(function () { + throw e; + }); + } : onFinally); + } +}); + +/***/ }), +/* 93 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +var $export = __w_pdfjs_require__(7); +var newPromiseCapability = __w_pdfjs_require__(85); +var perform = __w_pdfjs_require__(86); +$export($export.S, 'Promise', { + 'try': function _try(callbackfn) { + var promiseCapability = newPromiseCapability.f(this); + var result = perform(callbackfn); + (result.e ? promiseCapability.reject : promiseCapability.resolve)(result.v); + return promiseCapability.promise; + } +}); + +/***/ }), +/* 94 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +__w_pdfjs_require__(60); +__w_pdfjs_require__(72); +__w_pdfjs_require__(95); +__w_pdfjs_require__(107); +__w_pdfjs_require__(109); +module.exports = __w_pdfjs_require__(9).WeakMap; + +/***/ }), +/* 95 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +var each = __w_pdfjs_require__(96)(0); +var redefine = __w_pdfjs_require__(20); +var meta = __w_pdfjs_require__(100); +var assign = __w_pdfjs_require__(44); +var weak = __w_pdfjs_require__(101); +var isObject = __w_pdfjs_require__(13); +var fails = __w_pdfjs_require__(16); +var validate = __w_pdfjs_require__(102); +var WEAK_MAP = 'WeakMap'; +var getWeak = meta.getWeak; +var isExtensible = Object.isExtensible; +var uncaughtFrozenStore = weak.ufstore; +var tmp = {}; +var InternalMap; +var wrapper = function wrapper(get) { + return function WeakMap() { + return get(this, arguments.length > 0 ? arguments[0] : undefined); + }; +}; +var methods = { + get: function get(key) { + if (isObject(key)) { + var data = getWeak(key); + if (data === true) return uncaughtFrozenStore(validate(this, WEAK_MAP)).get(key); + return data ? data[this._i] : undefined; + } + }, + set: function set(key, value) { + return weak.def(validate(this, WEAK_MAP), key, value); + } +}; +var $WeakMap = module.exports = __w_pdfjs_require__(103)(WEAK_MAP, wrapper, methods, weak, true, true); +if (fails(function () { + return new $WeakMap().set((Object.freeze || Object)(tmp), 7).get(tmp) != 7; +})) { + InternalMap = weak.getConstructor(wrapper, WEAK_MAP); + assign(InternalMap.prototype, methods); + meta.NEED = true; + each(['delete', 'has', 'get', 'set'], function (key) { + var proto = $WeakMap.prototype; + var method = proto[key]; + redefine(proto, key, function (a, b) { + if (isObject(a) && !isExtensible(a)) { + if (!this._f) this._f = new InternalMap(); + var result = this._f[key](a, b); + return key == 'set' ? this : result; + } + return method.call(this, a, b); + }); + }); +} + +/***/ }), +/* 96 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +var ctx = __w_pdfjs_require__(23); +var IObject = __w_pdfjs_require__(37); +var toObject = __w_pdfjs_require__(51); +var toLength = __w_pdfjs_require__(38); +var asc = __w_pdfjs_require__(97); +module.exports = function (TYPE, $create) { + var IS_MAP = TYPE == 1; + var IS_FILTER = TYPE == 2; + var IS_SOME = TYPE == 3; + var IS_EVERY = TYPE == 4; + var IS_FIND_INDEX = TYPE == 6; + var NO_HOLES = TYPE == 5 || IS_FIND_INDEX; + var create = $create || asc; + return function ($this, callbackfn, that) { + var O = toObject($this); + var self = IObject(O); + var f = ctx(callbackfn, that, 3); + var length = toLength(self.length); + var index = 0; + var result = IS_MAP ? create($this, length) : IS_FILTER ? create($this, 0) : undefined; + var val, res; + for (; length > index; index++) { + if (NO_HOLES || index in self) { + val = self[index]; + res = f(val, index, O); + if (TYPE) { + if (IS_MAP) result[index] = res;else if (res) switch (TYPE) { + case 3: + return true; + case 5: + return val; + case 6: + return index; + case 2: + result.push(val); + } else if (IS_EVERY) return false; + } + } + }return IS_FIND_INDEX ? -1 : IS_SOME || IS_EVERY ? IS_EVERY : result; + }; +}; + +/***/ }), +/* 97 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +var speciesConstructor = __w_pdfjs_require__(98); +module.exports = function (original, length) { + return new (speciesConstructor(original))(length); +}; + +/***/ }), +/* 98 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +var isObject = __w_pdfjs_require__(13); +var isArray = __w_pdfjs_require__(99); +var SPECIES = __w_pdfjs_require__(28)('species'); +module.exports = function (original) { + var C; + if (isArray(original)) { + C = original.constructor; + if (typeof C == 'function' && (C === Array || isArray(C.prototype))) C = undefined; + if (isObject(C)) { + C = C[SPECIES]; + if (C === null) C = undefined; + } + } + return C === undefined ? Array : C; +}; + +/***/ }), +/* 99 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +var cof = __w_pdfjs_require__(27); +module.exports = Array.isArray || function isArray(arg) { + return cof(arg) == 'Array'; +}; + +/***/ }), +/* 100 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; + +var META = __w_pdfjs_require__(22)('meta'); +var isObject = __w_pdfjs_require__(13); +var has = __w_pdfjs_require__(21); +var setDesc = __w_pdfjs_require__(11).f; +var id = 0; +var isExtensible = Object.isExtensible || function () { + return true; +}; +var FREEZE = !__w_pdfjs_require__(16)(function () { + return isExtensible(Object.preventExtensions({})); +}); +var setMeta = function setMeta(it) { + setDesc(it, META, { + value: { + i: 'O' + ++id, + w: {} + } + }); +}; +var fastKey = function fastKey(it, create) { + if (!isObject(it)) return (typeof it === 'undefined' ? 'undefined' : _typeof(it)) == 'symbol' ? it : (typeof it == 'string' ? 'S' : 'P') + it; + if (!has(it, META)) { + if (!isExtensible(it)) return 'F'; + if (!create) return 'E'; + setMeta(it); + } + return it[META].i; +}; +var getWeak = function getWeak(it, create) { + if (!has(it, META)) { + if (!isExtensible(it)) return true; + if (!create) return false; + setMeta(it); + } + return it[META].w; +}; +var onFreeze = function onFreeze(it) { + if (FREEZE && meta.NEED && isExtensible(it) && !has(it, META)) setMeta(it); + return it; +}; +var meta = module.exports = { + KEY: META, + NEED: false, + fastKey: fastKey, + getWeak: getWeak, + onFreeze: onFreeze +}; + +/***/ }), +/* 101 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +var redefineAll = __w_pdfjs_require__(89); +var getWeak = __w_pdfjs_require__(100).getWeak; +var anObject = __w_pdfjs_require__(12); +var isObject = __w_pdfjs_require__(13); +var anInstance = __w_pdfjs_require__(76); +var forOf = __w_pdfjs_require__(77); +var createArrayMethod = __w_pdfjs_require__(96); +var $has = __w_pdfjs_require__(21); +var validate = __w_pdfjs_require__(102); +var arrayFind = createArrayMethod(5); +var arrayFindIndex = createArrayMethod(6); +var id = 0; +var uncaughtFrozenStore = function uncaughtFrozenStore(that) { + return that._l || (that._l = new UncaughtFrozenStore()); +}; +var UncaughtFrozenStore = function UncaughtFrozenStore() { + this.a = []; +}; +var findUncaughtFrozen = function findUncaughtFrozen(store, key) { + return arrayFind(store.a, function (it) { + return it[0] === key; + }); +}; +UncaughtFrozenStore.prototype = { + get: function get(key) { + var entry = findUncaughtFrozen(this, key); + if (entry) return entry[1]; + }, + has: function has(key) { + return !!findUncaughtFrozen(this, key); + }, + set: function set(key, value) { + var entry = findUncaughtFrozen(this, key); + if (entry) entry[1] = value;else this.a.push([key, value]); + }, + 'delete': function _delete(key) { + var index = arrayFindIndex(this.a, function (it) { + return it[0] === key; + }); + if (~index) this.a.splice(index, 1); + return !!~index; + } +}; +module.exports = { + getConstructor: function getConstructor(wrapper, NAME, IS_MAP, ADDER) { + var C = wrapper(function (that, iterable) { + anInstance(that, C, NAME, '_i'); + that._t = NAME; + that._i = id++; + that._l = undefined; + if (iterable != undefined) forOf(iterable, IS_MAP, that[ADDER], that); + }); + redefineAll(C.prototype, { + 'delete': function _delete(key) { + if (!isObject(key)) return false; + var data = getWeak(key); + if (data === true) return uncaughtFrozenStore(validate(this, NAME))['delete'](key); + return data && $has(data, this._i) && delete data[this._i]; }, - setLeadingMoveText: function SVGGraphics_setLeadingMoveText(x, y) { - this.setLeading(-y); - this.moveText(x, y); - }, - addFontStyle: function SVGGraphics_addFontStyle(fontObj) { - if (!this.cssStyle) { - this.cssStyle = document.createElementNS(NS, 'svg:style'); - this.cssStyle.setAttributeNS(null, 'type', 'text/css'); - this.defs.appendChild(this.cssStyle); + has: function has(key) { + if (!isObject(key)) return false; + var data = getWeak(key); + if (data === true) return uncaughtFrozenStore(validate(this, NAME)).has(key); + return data && $has(data, this._i); + } + }); + return C; + }, + def: function def(that, key, value) { + var data = getWeak(anObject(key), true); + if (data === true) uncaughtFrozenStore(that).set(key, value);else data[that._i] = value; + return that; + }, + ufstore: uncaughtFrozenStore +}; + +/***/ }), +/* 102 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +var isObject = __w_pdfjs_require__(13); +module.exports = function (it, TYPE) { + if (!isObject(it) || it._t !== TYPE) throw TypeError('Incompatible receiver, ' + TYPE + ' required!'); + return it; +}; + +/***/ }), +/* 103 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +var global = __w_pdfjs_require__(8); +var $export = __w_pdfjs_require__(7); +var redefine = __w_pdfjs_require__(20); +var redefineAll = __w_pdfjs_require__(89); +var meta = __w_pdfjs_require__(100); +var forOf = __w_pdfjs_require__(77); +var anInstance = __w_pdfjs_require__(76); +var isObject = __w_pdfjs_require__(13); +var fails = __w_pdfjs_require__(16); +var $iterDetect = __w_pdfjs_require__(91); +var setToStringTag = __w_pdfjs_require__(70); +var inheritIfRequired = __w_pdfjs_require__(104); +module.exports = function (NAME, wrapper, methods, common, IS_MAP, IS_WEAK) { + var Base = global[NAME]; + var C = Base; + var ADDER = IS_MAP ? 'set' : 'add'; + var proto = C && C.prototype; + var O = {}; + var fixMethod = function fixMethod(KEY) { + var fn = proto[KEY]; + redefine(proto, KEY, KEY == 'delete' ? function (a) { + return IS_WEAK && !isObject(a) ? false : fn.call(this, a === 0 ? 0 : a); + } : KEY == 'has' ? function has(a) { + return IS_WEAK && !isObject(a) ? false : fn.call(this, a === 0 ? 0 : a); + } : KEY == 'get' ? function get(a) { + return IS_WEAK && !isObject(a) ? undefined : fn.call(this, a === 0 ? 0 : a); + } : KEY == 'add' ? function add(a) { + fn.call(this, a === 0 ? 0 : a); + return this; + } : function set(a, b) { + fn.call(this, a === 0 ? 0 : a, b); + return this; + }); + }; + if (typeof C != 'function' || !(IS_WEAK || proto.forEach && !fails(function () { + new C().entries().next(); + }))) { + C = common.getConstructor(wrapper, NAME, IS_MAP, ADDER); + redefineAll(C.prototype, methods); + meta.NEED = true; + } else { + var instance = new C(); + var HASNT_CHAINING = instance[ADDER](IS_WEAK ? {} : -0, 1) != instance; + var THROWS_ON_PRIMITIVES = fails(function () { + instance.has(1); + }); + var ACCEPT_ITERABLES = $iterDetect(function (iter) { + new C(iter); + }); + var BUGGY_ZERO = !IS_WEAK && fails(function () { + var $instance = new C(); + var index = 5; + while (index--) { + $instance[ADDER](index, index); + }return !$instance.has(-0); + }); + if (!ACCEPT_ITERABLES) { + C = wrapper(function (target, iterable) { + anInstance(target, C, NAME); + var that = inheritIfRequired(new Base(), target, C); + if (iterable != undefined) forOf(iterable, IS_MAP, that[ADDER], that); + return that; + }); + C.prototype = proto; + proto.constructor = C; + } + if (THROWS_ON_PRIMITIVES || BUGGY_ZERO) { + fixMethod('delete'); + fixMethod('has'); + IS_MAP && fixMethod('get'); + } + if (BUGGY_ZERO || HASNT_CHAINING) fixMethod(ADDER); + if (IS_WEAK && proto.clear) delete proto.clear; + } + setToStringTag(C, NAME); + O[NAME] = C; + $export($export.G + $export.W + $export.F * (C != Base), O); + if (!IS_WEAK) common.setStrong(C, NAME, IS_MAP); + return C; +}; + +/***/ }), +/* 104 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +var isObject = __w_pdfjs_require__(13); +var setPrototypeOf = __w_pdfjs_require__(105).set; +module.exports = function (that, target, C) { + var S = target.constructor; + var P; + if (S !== C && typeof S == 'function' && (P = S.prototype) !== C.prototype && isObject(P) && setPrototypeOf) { + setPrototypeOf(that, P); + } + return that; +}; + +/***/ }), +/* 105 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +var isObject = __w_pdfjs_require__(13); +var anObject = __w_pdfjs_require__(12); +var check = function check(O, proto) { + anObject(O); + if (!isObject(proto) && proto !== null) throw TypeError(proto + ": can't set as prototype!"); +}; +module.exports = { + set: Object.setPrototypeOf || ('__proto__' in {} ? function (test, buggy, set) { + try { + set = __w_pdfjs_require__(23)(Function.call, __w_pdfjs_require__(106).f(Object.prototype, '__proto__').set, 2); + set(test, []); + buggy = !(test instanceof Array); + } catch (e) { + buggy = true; + } + return function setPrototypeOf(O, proto) { + check(O, proto); + if (buggy) O.__proto__ = proto;else set(O, proto); + return O; + }; + }({}, false) : undefined), + check: check +}; + +/***/ }), +/* 106 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +var pIE = __w_pdfjs_require__(50); +var createDesc = __w_pdfjs_require__(19); +var toIObject = __w_pdfjs_require__(36); +var toPrimitive = __w_pdfjs_require__(18); +var has = __w_pdfjs_require__(21); +var IE8_DOM_DEFINE = __w_pdfjs_require__(14); +var gOPD = Object.getOwnPropertyDescriptor; +exports.f = __w_pdfjs_require__(15) ? gOPD : function getOwnPropertyDescriptor(O, P) { + O = toIObject(O); + P = toPrimitive(P, true); + if (IE8_DOM_DEFINE) try { + return gOPD(O, P); + } catch (e) {} + if (has(O, P)) return createDesc(!pIE.f.call(O, P), O[P]); +}; + +/***/ }), +/* 107 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +__w_pdfjs_require__(108)('WeakMap'); + +/***/ }), +/* 108 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +var $export = __w_pdfjs_require__(7); +module.exports = function (COLLECTION) { + $export($export.S, COLLECTION, { + of: function of() { + var length = arguments.length; + var A = new Array(length); + while (length--) { + A[length] = arguments[length]; + }return new this(A); + } + }); +}; + +/***/ }), +/* 109 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +__w_pdfjs_require__(110)('WeakMap'); + +/***/ }), +/* 110 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +var $export = __w_pdfjs_require__(7); +var aFunction = __w_pdfjs_require__(24); +var ctx = __w_pdfjs_require__(23); +var forOf = __w_pdfjs_require__(77); +module.exports = function (COLLECTION) { + $export($export.S, COLLECTION, { + from: function from(source) { + var mapFn = arguments[1]; + var mapping, A, n, cb; + aFunction(this); + mapping = mapFn !== undefined; + if (mapping) aFunction(mapFn); + if (source == undefined) return new this(); + A = []; + if (mapping) { + n = 0; + cb = ctx(mapFn, arguments[2], 2); + forOf(source, false, function (nextItem) { + A.push(cb(nextItem, n++)); + }); + } else { + forOf(source, false, A.push, A); + } + return new this(A); + } + }); +}; + +/***/ }), +/* 111 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +__w_pdfjs_require__(112); +module.exports = __w_pdfjs_require__(9).String.codePointAt; + +/***/ }), +/* 112 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +var $export = __w_pdfjs_require__(7); +var $at = __w_pdfjs_require__(63)(false); +$export($export.P, 'String', { + codePointAt: function codePointAt(pos) { + return $at(this, pos); + } +}); + +/***/ }), +/* 113 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +__w_pdfjs_require__(114); +module.exports = __w_pdfjs_require__(9).String.fromCodePoint; + +/***/ }), +/* 114 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +var $export = __w_pdfjs_require__(7); +var toAbsoluteIndex = __w_pdfjs_require__(40); +var fromCharCode = String.fromCharCode; +var $fromCodePoint = String.fromCodePoint; +$export($export.S + $export.F * (!!$fromCodePoint && $fromCodePoint.length != 1), 'String', { + fromCodePoint: function fromCodePoint(x) { + var res = []; + var aLen = arguments.length; + var i = 0; + var code; + while (aLen > i) { + code = +arguments[i++]; + if (toAbsoluteIndex(code, 0x10ffff) !== code) throw RangeError(code + ' is not a valid code point'); + res.push(code < 0x10000 ? fromCharCode(code) : fromCharCode(((code -= 0x10000) >> 10) + 0xd800, code % 0x400 + 0xdc00)); + } + return res.join(''); + } +}); + +/***/ }), +/* 115 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +__w_pdfjs_require__(116); +__w_pdfjs_require__(60); +module.exports = __w_pdfjs_require__(9).Symbol; + +/***/ }), +/* 116 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; + +var global = __w_pdfjs_require__(8); +var has = __w_pdfjs_require__(21); +var DESCRIPTORS = __w_pdfjs_require__(15); +var $export = __w_pdfjs_require__(7); +var redefine = __w_pdfjs_require__(20); +var META = __w_pdfjs_require__(100).KEY; +var $fails = __w_pdfjs_require__(16); +var shared = __w_pdfjs_require__(29); +var setToStringTag = __w_pdfjs_require__(70); +var uid = __w_pdfjs_require__(22); +var wks = __w_pdfjs_require__(28); +var wksExt = __w_pdfjs_require__(117); +var wksDefine = __w_pdfjs_require__(118); +var enumKeys = __w_pdfjs_require__(119); +var isArray = __w_pdfjs_require__(99); +var anObject = __w_pdfjs_require__(12); +var isObject = __w_pdfjs_require__(13); +var toIObject = __w_pdfjs_require__(36); +var toPrimitive = __w_pdfjs_require__(18); +var createDesc = __w_pdfjs_require__(19); +var _create = __w_pdfjs_require__(67); +var gOPNExt = __w_pdfjs_require__(120); +var $GOPD = __w_pdfjs_require__(106); +var $DP = __w_pdfjs_require__(11); +var $keys = __w_pdfjs_require__(45); +var gOPD = $GOPD.f; +var dP = $DP.f; +var gOPN = gOPNExt.f; +var $Symbol = global.Symbol; +var $JSON = global.JSON; +var _stringify = $JSON && $JSON.stringify; +var PROTOTYPE = 'prototype'; +var HIDDEN = wks('_hidden'); +var TO_PRIMITIVE = wks('toPrimitive'); +var isEnum = {}.propertyIsEnumerable; +var SymbolRegistry = shared('symbol-registry'); +var AllSymbols = shared('symbols'); +var OPSymbols = shared('op-symbols'); +var ObjectProto = Object[PROTOTYPE]; +var USE_NATIVE = typeof $Symbol == 'function'; +var QObject = global.QObject; +var setter = !QObject || !QObject[PROTOTYPE] || !QObject[PROTOTYPE].findChild; +var setSymbolDesc = DESCRIPTORS && $fails(function () { + return _create(dP({}, 'a', { + get: function get() { + return dP(this, 'a', { value: 7 }).a; + } + })).a != 7; +}) ? function (it, key, D) { + var protoDesc = gOPD(ObjectProto, key); + if (protoDesc) delete ObjectProto[key]; + dP(it, key, D); + if (protoDesc && it !== ObjectProto) dP(ObjectProto, key, protoDesc); +} : dP; +var wrap = function wrap(tag) { + var sym = AllSymbols[tag] = _create($Symbol[PROTOTYPE]); + sym._k = tag; + return sym; +}; +var isSymbol = USE_NATIVE && _typeof($Symbol.iterator) == 'symbol' ? function (it) { + return (typeof it === 'undefined' ? 'undefined' : _typeof(it)) == 'symbol'; +} : function (it) { + return it instanceof $Symbol; +}; +var $defineProperty = function defineProperty(it, key, D) { + if (it === ObjectProto) $defineProperty(OPSymbols, key, D); + anObject(it); + key = toPrimitive(key, true); + anObject(D); + if (has(AllSymbols, key)) { + if (!D.enumerable) { + if (!has(it, HIDDEN)) dP(it, HIDDEN, createDesc(1, {})); + it[HIDDEN][key] = true; + } else { + if (has(it, HIDDEN) && it[HIDDEN][key]) it[HIDDEN][key] = false; + D = _create(D, { enumerable: createDesc(0, false) }); + } + return setSymbolDesc(it, key, D); + } + return dP(it, key, D); +}; +var $defineProperties = function defineProperties(it, P) { + anObject(it); + var keys = enumKeys(P = toIObject(P)); + var i = 0; + var l = keys.length; + var key; + while (l > i) { + $defineProperty(it, key = keys[i++], P[key]); + }return it; +}; +var $create = function create(it, P) { + return P === undefined ? _create(it) : $defineProperties(_create(it), P); +}; +var $propertyIsEnumerable = function propertyIsEnumerable(key) { + var E = isEnum.call(this, key = toPrimitive(key, true)); + if (this === ObjectProto && has(AllSymbols, key) && !has(OPSymbols, key)) return false; + return E || !has(this, key) || !has(AllSymbols, key) || has(this, HIDDEN) && this[HIDDEN][key] ? E : true; +}; +var $getOwnPropertyDescriptor = function getOwnPropertyDescriptor(it, key) { + it = toIObject(it); + key = toPrimitive(key, true); + if (it === ObjectProto && has(AllSymbols, key) && !has(OPSymbols, key)) return; + var D = gOPD(it, key); + if (D && has(AllSymbols, key) && !(has(it, HIDDEN) && it[HIDDEN][key])) D.enumerable = true; + return D; +}; +var $getOwnPropertyNames = function getOwnPropertyNames(it) { + var names = gOPN(toIObject(it)); + var result = []; + var i = 0; + var key; + while (names.length > i) { + if (!has(AllSymbols, key = names[i++]) && key != HIDDEN && key != META) result.push(key); + } + return result; +}; +var $getOwnPropertySymbols = function getOwnPropertySymbols(it) { + var IS_OP = it === ObjectProto; + var names = gOPN(IS_OP ? OPSymbols : toIObject(it)); + var result = []; + var i = 0; + var key; + while (names.length > i) { + if (has(AllSymbols, key = names[i++]) && (IS_OP ? has(ObjectProto, key) : true)) result.push(AllSymbols[key]); + } + return result; +}; +if (!USE_NATIVE) { + $Symbol = function _Symbol() { + if (this instanceof $Symbol) throw TypeError('Symbol is not a constructor!'); + var tag = uid(arguments.length > 0 ? arguments[0] : undefined); + var $set = function $set(value) { + if (this === ObjectProto) $set.call(OPSymbols, value); + if (has(this, HIDDEN) && has(this[HIDDEN], tag)) this[HIDDEN][tag] = false; + setSymbolDesc(this, tag, createDesc(1, value)); + }; + if (DESCRIPTORS && setter) setSymbolDesc(ObjectProto, tag, { + configurable: true, + set: $set + }); + return wrap(tag); + }; + redefine($Symbol[PROTOTYPE], 'toString', function toString() { + return this._k; + }); + $GOPD.f = $getOwnPropertyDescriptor; + $DP.f = $defineProperty; + __w_pdfjs_require__(121).f = gOPNExt.f = $getOwnPropertyNames; + __w_pdfjs_require__(50).f = $propertyIsEnumerable; + __w_pdfjs_require__(49).f = $getOwnPropertySymbols; + if (DESCRIPTORS && !__w_pdfjs_require__(30)) { + redefine(ObjectProto, 'propertyIsEnumerable', $propertyIsEnumerable, true); + } + wksExt.f = function (name) { + return wrap(wks(name)); + }; +} +$export($export.G + $export.W + $export.F * !USE_NATIVE, { Symbol: $Symbol }); +for (var es6Symbols = 'hasInstance,isConcatSpreadable,iterator,match,replace,search,species,split,toPrimitive,toStringTag,unscopables'.split(','), j = 0; es6Symbols.length > j;) { + wks(es6Symbols[j++]); +}for (var wellKnownSymbols = $keys(wks.store), k = 0; wellKnownSymbols.length > k;) { + wksDefine(wellKnownSymbols[k++]); +}$export($export.S + $export.F * !USE_NATIVE, 'Symbol', { + 'for': function _for(key) { + return has(SymbolRegistry, key += '') ? SymbolRegistry[key] : SymbolRegistry[key] = $Symbol(key); + }, + keyFor: function keyFor(sym) { + if (!isSymbol(sym)) throw TypeError(sym + ' is not a symbol!'); + for (var key in SymbolRegistry) { + if (SymbolRegistry[key] === sym) return key; + } + }, + useSetter: function useSetter() { + setter = true; + }, + useSimple: function useSimple() { + setter = false; + } +}); +$export($export.S + $export.F * !USE_NATIVE, 'Object', { + create: $create, + defineProperty: $defineProperty, + defineProperties: $defineProperties, + getOwnPropertyDescriptor: $getOwnPropertyDescriptor, + getOwnPropertyNames: $getOwnPropertyNames, + getOwnPropertySymbols: $getOwnPropertySymbols +}); +$JSON && $export($export.S + $export.F * (!USE_NATIVE || $fails(function () { + var S = $Symbol(); + return _stringify([S]) != '[null]' || _stringify({ a: S }) != '{}' || _stringify(Object(S)) != '{}'; +})), 'JSON', { + stringify: function stringify(it) { + var args = [it]; + var i = 1; + var replacer, $replacer; + while (arguments.length > i) { + args.push(arguments[i++]); + }$replacer = replacer = args[1]; + if (!isObject(replacer) && it === undefined || isSymbol(it)) return; + if (!isArray(replacer)) replacer = function replacer(key, value) { + if (typeof $replacer == 'function') value = $replacer.call(this, key, value); + if (!isSymbol(value)) return value; + }; + args[1] = replacer; + return _stringify.apply($JSON, args); + } +}); +$Symbol[PROTOTYPE][TO_PRIMITIVE] || __w_pdfjs_require__(10)($Symbol[PROTOTYPE], TO_PRIMITIVE, $Symbol[PROTOTYPE].valueOf); +setToStringTag($Symbol, 'Symbol'); +setToStringTag(Math, 'Math', true); +setToStringTag(global.JSON, 'JSON', true); + +/***/ }), +/* 117 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +exports.f = __w_pdfjs_require__(28); + +/***/ }), +/* 118 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +var global = __w_pdfjs_require__(8); +var core = __w_pdfjs_require__(9); +var LIBRARY = __w_pdfjs_require__(30); +var wksExt = __w_pdfjs_require__(117); +var defineProperty = __w_pdfjs_require__(11).f; +module.exports = function (name) { + var $Symbol = core.Symbol || (core.Symbol = LIBRARY ? {} : global.Symbol || {}); + if (name.charAt(0) != '_' && !(name in $Symbol)) defineProperty($Symbol, name, { value: wksExt.f(name) }); +}; + +/***/ }), +/* 119 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +var getKeys = __w_pdfjs_require__(45); +var gOPS = __w_pdfjs_require__(49); +var pIE = __w_pdfjs_require__(50); +module.exports = function (it) { + var result = getKeys(it); + var getSymbols = gOPS.f; + if (getSymbols) { + var symbols = getSymbols(it); + var isEnum = pIE.f; + var i = 0; + var key; + while (symbols.length > i) { + if (isEnum.call(it, key = symbols[i++])) result.push(key); + } + } + return result; +}; + +/***/ }), +/* 120 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; + +var toIObject = __w_pdfjs_require__(36); +var gOPN = __w_pdfjs_require__(121).f; +var toString = {}.toString; +var windowNames = (typeof window === 'undefined' ? 'undefined' : _typeof(window)) == 'object' && window && Object.getOwnPropertyNames ? Object.getOwnPropertyNames(window) : []; +var getWindowNames = function getWindowNames(it) { + try { + return gOPN(it); + } catch (e) { + return windowNames.slice(); + } +}; +module.exports.f = function getOwnPropertyNames(it) { + return windowNames && toString.call(it) == '[object Window]' ? getWindowNames(it) : gOPN(toIObject(it)); +}; + +/***/ }), +/* 121 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +var $keys = __w_pdfjs_require__(46); +var hiddenKeys = __w_pdfjs_require__(48).concat('length', 'prototype'); +exports.f = Object.getOwnPropertyNames || function getOwnPropertyNames(O) { + return $keys(O, hiddenKeys); +}; + +/***/ }), +/* 122 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +__w_pdfjs_require__(123); +module.exports = __w_pdfjs_require__(9).Object.values; + +/***/ }), +/* 123 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +var $export = __w_pdfjs_require__(7); +var $values = __w_pdfjs_require__(124)(false); +$export($export.S, 'Object', { + values: function values(it) { + return $values(it); + } +}); + +/***/ }), +/* 124 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +var getKeys = __w_pdfjs_require__(45); +var toIObject = __w_pdfjs_require__(36); +var isEnum = __w_pdfjs_require__(50).f; +module.exports = function (isEntries) { + return function (it) { + var O = toIObject(it); + var keys = getKeys(O); + var length = keys.length; + var i = 0; + var result = []; + var key; + while (length > i) { + if (isEnum.call(O, key = keys[i++])) { + result.push(isEntries ? [key, O[key]] : O[key]); + } + }return result; + }; +}; + +/***/ }), +/* 125 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +var isReadableStreamSupported = false; +if (typeof ReadableStream !== 'undefined') { + try { + new ReadableStream({ + start: function start(controller) { + controller.close(); + } + }); + isReadableStreamSupported = true; + } catch (e) {} +} +if (isReadableStreamSupported) { + exports.ReadableStream = ReadableStream; +} else { + exports.ReadableStream = __w_pdfjs_require__(126).ReadableStream; +} + +/***/ }), +/* 126 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +var _typeof2 = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; + +(function (e, a) { + for (var i in a) { + e[i] = a[i]; + } +})(exports, function (modules) { + var installedModules = {}; + function __w_pdfjs_require__(moduleId) { + if (installedModules[moduleId]) return installedModules[moduleId].exports; + var module = installedModules[moduleId] = { + i: moduleId, + l: false, + exports: {} + }; + modules[moduleId].call(module.exports, module, module.exports, __w_pdfjs_require__); + module.l = true; + return module.exports; + } + __w_pdfjs_require__.m = modules; + __w_pdfjs_require__.c = installedModules; + __w_pdfjs_require__.i = function (value) { + return value; + }; + __w_pdfjs_require__.d = function (exports, name, getter) { + if (!__w_pdfjs_require__.o(exports, name)) { + Object.defineProperty(exports, name, { + configurable: false, + enumerable: true, + get: getter + }); + } + }; + __w_pdfjs_require__.n = function (module) { + var getter = module && module.__esModule ? function getDefault() { + return module['default']; + } : function getModuleExports() { + return module; + }; + __w_pdfjs_require__.d(getter, 'a', getter); + return getter; + }; + __w_pdfjs_require__.o = function (object, property) { + return Object.prototype.hasOwnProperty.call(object, property); + }; + __w_pdfjs_require__.p = ""; + return __w_pdfjs_require__(__w_pdfjs_require__.s = 7); +}([function (module, exports, __w_pdfjs_require__) { + "use strict"; + + var _typeof = typeof Symbol === "function" && _typeof2(Symbol.iterator) === "symbol" ? function (obj) { + return typeof obj === 'undefined' ? 'undefined' : _typeof2(obj); + } : function (obj) { + return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj === 'undefined' ? 'undefined' : _typeof2(obj); + }; + var _require = __w_pdfjs_require__(1), + assert = _require.assert; + function IsPropertyKey(argument) { + return typeof argument === 'string' || (typeof argument === 'undefined' ? 'undefined' : _typeof(argument)) === 'symbol'; + } + exports.typeIsObject = function (x) { + return (typeof x === 'undefined' ? 'undefined' : _typeof(x)) === 'object' && x !== null || typeof x === 'function'; + }; + exports.createDataProperty = function (o, p, v) { + assert(exports.typeIsObject(o)); + Object.defineProperty(o, p, { + value: v, + writable: true, + enumerable: true, + configurable: true + }); + }; + exports.createArrayFromList = function (elements) { + return elements.slice(); + }; + exports.ArrayBufferCopy = function (dest, destOffset, src, srcOffset, n) { + new Uint8Array(dest).set(new Uint8Array(src, srcOffset, n), destOffset); + }; + exports.CreateIterResultObject = function (value, done) { + assert(typeof done === 'boolean'); + var obj = {}; + Object.defineProperty(obj, 'value', { + value: value, + enumerable: true, + writable: true, + configurable: true + }); + Object.defineProperty(obj, 'done', { + value: done, + enumerable: true, + writable: true, + configurable: true + }); + return obj; + }; + exports.IsFiniteNonNegativeNumber = function (v) { + if (Number.isNaN(v)) { + return false; + } + if (v === Infinity) { + return false; + } + if (v < 0) { + return false; + } + return true; + }; + function Call(F, V, args) { + if (typeof F !== 'function') { + throw new TypeError('Argument is not a function'); + } + return Function.prototype.apply.call(F, V, args); + } + exports.InvokeOrNoop = function (O, P, args) { + assert(O !== undefined); + assert(IsPropertyKey(P)); + assert(Array.isArray(args)); + var method = O[P]; + if (method === undefined) { + return undefined; + } + return Call(method, O, args); + }; + exports.PromiseInvokeOrNoop = function (O, P, args) { + assert(O !== undefined); + assert(IsPropertyKey(P)); + assert(Array.isArray(args)); + try { + return Promise.resolve(exports.InvokeOrNoop(O, P, args)); + } catch (returnValueE) { + return Promise.reject(returnValueE); + } + }; + exports.PromiseInvokeOrPerformFallback = function (O, P, args, F, argsF) { + assert(O !== undefined); + assert(IsPropertyKey(P)); + assert(Array.isArray(args)); + assert(Array.isArray(argsF)); + var method = void 0; + try { + method = O[P]; + } catch (methodE) { + return Promise.reject(methodE); + } + if (method === undefined) { + return F.apply(null, argsF); + } + try { + return Promise.resolve(Call(method, O, args)); + } catch (e) { + return Promise.reject(e); + } + }; + exports.TransferArrayBuffer = function (O) { + return O.slice(); + }; + exports.ValidateAndNormalizeHighWaterMark = function (highWaterMark) { + highWaterMark = Number(highWaterMark); + if (Number.isNaN(highWaterMark) || highWaterMark < 0) { + throw new RangeError('highWaterMark property of a queuing strategy must be non-negative and non-NaN'); + } + return highWaterMark; + }; + exports.ValidateAndNormalizeQueuingStrategy = function (size, highWaterMark) { + if (size !== undefined && typeof size !== 'function') { + throw new TypeError('size property of a queuing strategy must be a function'); + } + highWaterMark = exports.ValidateAndNormalizeHighWaterMark(highWaterMark); + return { + size: size, + highWaterMark: highWaterMark + }; + }; +}, function (module, exports, __w_pdfjs_require__) { + "use strict"; + + function rethrowAssertionErrorRejection(e) { + if (e && e.constructor === AssertionError) { + setTimeout(function () { + throw e; + }, 0); + } + } + function AssertionError(message) { + this.name = 'AssertionError'; + this.message = message || ''; + this.stack = new Error().stack; + } + AssertionError.prototype = Object.create(Error.prototype); + AssertionError.prototype.constructor = AssertionError; + function assert(value, message) { + if (!value) { + throw new AssertionError(message); + } + } + module.exports = { + rethrowAssertionErrorRejection: rethrowAssertionErrorRejection, + AssertionError: AssertionError, + assert: assert + }; +}, function (module, exports, __w_pdfjs_require__) { + "use strict"; + + var _createClass = function () { + function defineProperties(target, props) { + for (var i = 0; i < props.length; i++) { + var descriptor = props[i]; + descriptor.enumerable = descriptor.enumerable || false; + descriptor.configurable = true; + if ("value" in descriptor) descriptor.writable = true; + Object.defineProperty(target, descriptor.key, descriptor); + } + } + return function (Constructor, protoProps, staticProps) { + if (protoProps) defineProperties(Constructor.prototype, protoProps); + if (staticProps) defineProperties(Constructor, staticProps); + return Constructor; + }; + }(); + function _classCallCheck(instance, Constructor) { + if (!(instance instanceof Constructor)) { + throw new TypeError("Cannot call a class as a function"); + } + } + var _require = __w_pdfjs_require__(0), + InvokeOrNoop = _require.InvokeOrNoop, + PromiseInvokeOrNoop = _require.PromiseInvokeOrNoop, + ValidateAndNormalizeQueuingStrategy = _require.ValidateAndNormalizeQueuingStrategy, + typeIsObject = _require.typeIsObject; + var _require2 = __w_pdfjs_require__(1), + assert = _require2.assert, + rethrowAssertionErrorRejection = _require2.rethrowAssertionErrorRejection; + var _require3 = __w_pdfjs_require__(3), + DequeueValue = _require3.DequeueValue, + EnqueueValueWithSize = _require3.EnqueueValueWithSize, + PeekQueueValue = _require3.PeekQueueValue, + ResetQueue = _require3.ResetQueue; + var WritableStream = function () { + function WritableStream() { + var underlyingSink = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {}; + var _ref = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {}, + size = _ref.size, + _ref$highWaterMark = _ref.highWaterMark, + highWaterMark = _ref$highWaterMark === undefined ? 1 : _ref$highWaterMark; + _classCallCheck(this, WritableStream); + this._state = 'writable'; + this._storedError = undefined; + this._writer = undefined; + this._writableStreamController = undefined; + this._writeRequests = []; + this._inFlightWriteRequest = undefined; + this._closeRequest = undefined; + this._inFlightCloseRequest = undefined; + this._pendingAbortRequest = undefined; + this._backpressure = false; + var type = underlyingSink.type; + if (type !== undefined) { + throw new RangeError('Invalid type is specified'); + } + this._writableStreamController = new WritableStreamDefaultController(this, underlyingSink, size, highWaterMark); + this._writableStreamController.__startSteps(); + } + _createClass(WritableStream, [{ + key: 'abort', + value: function abort(reason) { + if (IsWritableStream(this) === false) { + return Promise.reject(streamBrandCheckException('abort')); + } + if (IsWritableStreamLocked(this) === true) { + return Promise.reject(new TypeError('Cannot abort a stream that already has a writer')); + } + return WritableStreamAbort(this, reason); + } + }, { + key: 'getWriter', + value: function getWriter() { + if (IsWritableStream(this) === false) { + throw streamBrandCheckException('getWriter'); + } + return AcquireWritableStreamDefaultWriter(this); + } + }, { + key: 'locked', + get: function get() { + if (IsWritableStream(this) === false) { + throw streamBrandCheckException('locked'); + } + return IsWritableStreamLocked(this); + } + }]); + return WritableStream; + }(); + module.exports = { + AcquireWritableStreamDefaultWriter: AcquireWritableStreamDefaultWriter, + IsWritableStream: IsWritableStream, + IsWritableStreamLocked: IsWritableStreamLocked, + WritableStream: WritableStream, + WritableStreamAbort: WritableStreamAbort, + WritableStreamDefaultControllerError: WritableStreamDefaultControllerError, + WritableStreamDefaultWriterCloseWithErrorPropagation: WritableStreamDefaultWriterCloseWithErrorPropagation, + WritableStreamDefaultWriterRelease: WritableStreamDefaultWriterRelease, + WritableStreamDefaultWriterWrite: WritableStreamDefaultWriterWrite, + WritableStreamCloseQueuedOrInFlight: WritableStreamCloseQueuedOrInFlight + }; + function AcquireWritableStreamDefaultWriter(stream) { + return new WritableStreamDefaultWriter(stream); + } + function IsWritableStream(x) { + if (!typeIsObject(x)) { + return false; + } + if (!Object.prototype.hasOwnProperty.call(x, '_writableStreamController')) { + return false; + } + return true; + } + function IsWritableStreamLocked(stream) { + assert(IsWritableStream(stream) === true, 'IsWritableStreamLocked should only be used on known writable streams'); + if (stream._writer === undefined) { + return false; + } + return true; + } + function WritableStreamAbort(stream, reason) { + var state = stream._state; + if (state === 'closed') { + return Promise.resolve(undefined); + } + if (state === 'errored') { + return Promise.reject(stream._storedError); + } + var error = new TypeError('Requested to abort'); + if (stream._pendingAbortRequest !== undefined) { + return Promise.reject(error); + } + assert(state === 'writable' || state === 'erroring', 'state must be writable or erroring'); + var wasAlreadyErroring = false; + if (state === 'erroring') { + wasAlreadyErroring = true; + reason = undefined; + } + var promise = new Promise(function (resolve, reject) { + stream._pendingAbortRequest = { + _resolve: resolve, + _reject: reject, + _reason: reason, + _wasAlreadyErroring: wasAlreadyErroring + }; + }); + if (wasAlreadyErroring === false) { + WritableStreamStartErroring(stream, error); + } + return promise; + } + function WritableStreamAddWriteRequest(stream) { + assert(IsWritableStreamLocked(stream) === true); + assert(stream._state === 'writable'); + var promise = new Promise(function (resolve, reject) { + var writeRequest = { + _resolve: resolve, + _reject: reject + }; + stream._writeRequests.push(writeRequest); + }); + return promise; + } + function WritableStreamDealWithRejection(stream, error) { + var state = stream._state; + if (state === 'writable') { + WritableStreamStartErroring(stream, error); + return; + } + assert(state === 'erroring'); + WritableStreamFinishErroring(stream); + } + function WritableStreamStartErroring(stream, reason) { + assert(stream._storedError === undefined, 'stream._storedError === undefined'); + assert(stream._state === 'writable', 'state must be writable'); + var controller = stream._writableStreamController; + assert(controller !== undefined, 'controller must not be undefined'); + stream._state = 'erroring'; + stream._storedError = reason; + var writer = stream._writer; + if (writer !== undefined) { + WritableStreamDefaultWriterEnsureReadyPromiseRejected(writer, reason); + } + if (WritableStreamHasOperationMarkedInFlight(stream) === false && controller._started === true) { + WritableStreamFinishErroring(stream); + } + } + function WritableStreamFinishErroring(stream) { + assert(stream._state === 'erroring', 'stream._state === erroring'); + assert(WritableStreamHasOperationMarkedInFlight(stream) === false, 'WritableStreamHasOperationMarkedInFlight(stream) === false'); + stream._state = 'errored'; + stream._writableStreamController.__errorSteps(); + var storedError = stream._storedError; + for (var i = 0; i < stream._writeRequests.length; i++) { + var writeRequest = stream._writeRequests[i]; + writeRequest._reject(storedError); + } + stream._writeRequests = []; + if (stream._pendingAbortRequest === undefined) { + WritableStreamRejectCloseAndClosedPromiseIfNeeded(stream); + return; + } + var abortRequest = stream._pendingAbortRequest; + stream._pendingAbortRequest = undefined; + if (abortRequest._wasAlreadyErroring === true) { + abortRequest._reject(storedError); + WritableStreamRejectCloseAndClosedPromiseIfNeeded(stream); + return; + } + var promise = stream._writableStreamController.__abortSteps(abortRequest._reason); + promise.then(function () { + abortRequest._resolve(); + WritableStreamRejectCloseAndClosedPromiseIfNeeded(stream); + }, function (reason) { + abortRequest._reject(reason); + WritableStreamRejectCloseAndClosedPromiseIfNeeded(stream); + }); + } + function WritableStreamFinishInFlightWrite(stream) { + assert(stream._inFlightWriteRequest !== undefined); + stream._inFlightWriteRequest._resolve(undefined); + stream._inFlightWriteRequest = undefined; + } + function WritableStreamFinishInFlightWriteWithError(stream, error) { + assert(stream._inFlightWriteRequest !== undefined); + stream._inFlightWriteRequest._reject(error); + stream._inFlightWriteRequest = undefined; + assert(stream._state === 'writable' || stream._state === 'erroring'); + WritableStreamDealWithRejection(stream, error); + } + function WritableStreamFinishInFlightClose(stream) { + assert(stream._inFlightCloseRequest !== undefined); + stream._inFlightCloseRequest._resolve(undefined); + stream._inFlightCloseRequest = undefined; + var state = stream._state; + assert(state === 'writable' || state === 'erroring'); + if (state === 'erroring') { + stream._storedError = undefined; + if (stream._pendingAbortRequest !== undefined) { + stream._pendingAbortRequest._resolve(); + stream._pendingAbortRequest = undefined; + } + } + stream._state = 'closed'; + var writer = stream._writer; + if (writer !== undefined) { + defaultWriterClosedPromiseResolve(writer); + } + assert(stream._pendingAbortRequest === undefined, 'stream._pendingAbortRequest === undefined'); + assert(stream._storedError === undefined, 'stream._storedError === undefined'); + } + function WritableStreamFinishInFlightCloseWithError(stream, error) { + assert(stream._inFlightCloseRequest !== undefined); + stream._inFlightCloseRequest._reject(error); + stream._inFlightCloseRequest = undefined; + assert(stream._state === 'writable' || stream._state === 'erroring'); + if (stream._pendingAbortRequest !== undefined) { + stream._pendingAbortRequest._reject(error); + stream._pendingAbortRequest = undefined; + } + WritableStreamDealWithRejection(stream, error); + } + function WritableStreamCloseQueuedOrInFlight(stream) { + if (stream._closeRequest === undefined && stream._inFlightCloseRequest === undefined) { + return false; + } + return true; + } + function WritableStreamHasOperationMarkedInFlight(stream) { + if (stream._inFlightWriteRequest === undefined && stream._inFlightCloseRequest === undefined) { + return false; + } + return true; + } + function WritableStreamMarkCloseRequestInFlight(stream) { + assert(stream._inFlightCloseRequest === undefined); + assert(stream._closeRequest !== undefined); + stream._inFlightCloseRequest = stream._closeRequest; + stream._closeRequest = undefined; + } + function WritableStreamMarkFirstWriteRequestInFlight(stream) { + assert(stream._inFlightWriteRequest === undefined, 'there must be no pending write request'); + assert(stream._writeRequests.length !== 0, 'writeRequests must not be empty'); + stream._inFlightWriteRequest = stream._writeRequests.shift(); + } + function WritableStreamRejectCloseAndClosedPromiseIfNeeded(stream) { + assert(stream._state === 'errored', '_stream_.[[state]] is `"errored"`'); + if (stream._closeRequest !== undefined) { + assert(stream._inFlightCloseRequest === undefined); + stream._closeRequest._reject(stream._storedError); + stream._closeRequest = undefined; + } + var writer = stream._writer; + if (writer !== undefined) { + defaultWriterClosedPromiseReject(writer, stream._storedError); + writer._closedPromise.catch(function () {}); + } + } + function WritableStreamUpdateBackpressure(stream, backpressure) { + assert(stream._state === 'writable'); + assert(WritableStreamCloseQueuedOrInFlight(stream) === false); + var writer = stream._writer; + if (writer !== undefined && backpressure !== stream._backpressure) { + if (backpressure === true) { + defaultWriterReadyPromiseReset(writer); + } else { + assert(backpressure === false); + defaultWriterReadyPromiseResolve(writer); + } + } + stream._backpressure = backpressure; + } + var WritableStreamDefaultWriter = function () { + function WritableStreamDefaultWriter(stream) { + _classCallCheck(this, WritableStreamDefaultWriter); + if (IsWritableStream(stream) === false) { + throw new TypeError('WritableStreamDefaultWriter can only be constructed with a WritableStream instance'); + } + if (IsWritableStreamLocked(stream) === true) { + throw new TypeError('This stream has already been locked for exclusive writing by another writer'); + } + this._ownerWritableStream = stream; + stream._writer = this; + var state = stream._state; + if (state === 'writable') { + if (WritableStreamCloseQueuedOrInFlight(stream) === false && stream._backpressure === true) { + defaultWriterReadyPromiseInitialize(this); + } else { + defaultWriterReadyPromiseInitializeAsResolved(this); + } + defaultWriterClosedPromiseInitialize(this); + } else if (state === 'erroring') { + defaultWriterReadyPromiseInitializeAsRejected(this, stream._storedError); + this._readyPromise.catch(function () {}); + defaultWriterClosedPromiseInitialize(this); + } else if (state === 'closed') { + defaultWriterReadyPromiseInitializeAsResolved(this); + defaultWriterClosedPromiseInitializeAsResolved(this); + } else { + assert(state === 'errored', 'state must be errored'); + var storedError = stream._storedError; + defaultWriterReadyPromiseInitializeAsRejected(this, storedError); + this._readyPromise.catch(function () {}); + defaultWriterClosedPromiseInitializeAsRejected(this, storedError); + this._closedPromise.catch(function () {}); + } + } + _createClass(WritableStreamDefaultWriter, [{ + key: 'abort', + value: function abort(reason) { + if (IsWritableStreamDefaultWriter(this) === false) { + return Promise.reject(defaultWriterBrandCheckException('abort')); + } + if (this._ownerWritableStream === undefined) { + return Promise.reject(defaultWriterLockException('abort')); + } + return WritableStreamDefaultWriterAbort(this, reason); + } + }, { + key: 'close', + value: function close() { + if (IsWritableStreamDefaultWriter(this) === false) { + return Promise.reject(defaultWriterBrandCheckException('close')); + } + var stream = this._ownerWritableStream; + if (stream === undefined) { + return Promise.reject(defaultWriterLockException('close')); + } + if (WritableStreamCloseQueuedOrInFlight(stream) === true) { + return Promise.reject(new TypeError('cannot close an already-closing stream')); + } + return WritableStreamDefaultWriterClose(this); + } + }, { + key: 'releaseLock', + value: function releaseLock() { + if (IsWritableStreamDefaultWriter(this) === false) { + throw defaultWriterBrandCheckException('releaseLock'); + } + var stream = this._ownerWritableStream; + if (stream === undefined) { + return; + } + assert(stream._writer !== undefined); + WritableStreamDefaultWriterRelease(this); + } + }, { + key: 'write', + value: function write(chunk) { + if (IsWritableStreamDefaultWriter(this) === false) { + return Promise.reject(defaultWriterBrandCheckException('write')); + } + if (this._ownerWritableStream === undefined) { + return Promise.reject(defaultWriterLockException('write to')); + } + return WritableStreamDefaultWriterWrite(this, chunk); + } + }, { + key: 'closed', + get: function get() { + if (IsWritableStreamDefaultWriter(this) === false) { + return Promise.reject(defaultWriterBrandCheckException('closed')); + } + return this._closedPromise; + } + }, { + key: 'desiredSize', + get: function get() { + if (IsWritableStreamDefaultWriter(this) === false) { + throw defaultWriterBrandCheckException('desiredSize'); + } + if (this._ownerWritableStream === undefined) { + throw defaultWriterLockException('desiredSize'); + } + return WritableStreamDefaultWriterGetDesiredSize(this); + } + }, { + key: 'ready', + get: function get() { + if (IsWritableStreamDefaultWriter(this) === false) { + return Promise.reject(defaultWriterBrandCheckException('ready')); + } + return this._readyPromise; + } + }]); + return WritableStreamDefaultWriter; + }(); + function IsWritableStreamDefaultWriter(x) { + if (!typeIsObject(x)) { + return false; + } + if (!Object.prototype.hasOwnProperty.call(x, '_ownerWritableStream')) { + return false; + } + return true; + } + function WritableStreamDefaultWriterAbort(writer, reason) { + var stream = writer._ownerWritableStream; + assert(stream !== undefined); + return WritableStreamAbort(stream, reason); + } + function WritableStreamDefaultWriterClose(writer) { + var stream = writer._ownerWritableStream; + assert(stream !== undefined); + var state = stream._state; + if (state === 'closed' || state === 'errored') { + return Promise.reject(new TypeError('The stream (in ' + state + ' state) is not in the writable state and cannot be closed')); + } + assert(state === 'writable' || state === 'erroring'); + assert(WritableStreamCloseQueuedOrInFlight(stream) === false); + var promise = new Promise(function (resolve, reject) { + var closeRequest = { + _resolve: resolve, + _reject: reject + }; + stream._closeRequest = closeRequest; + }); + if (stream._backpressure === true && state === 'writable') { + defaultWriterReadyPromiseResolve(writer); + } + WritableStreamDefaultControllerClose(stream._writableStreamController); + return promise; + } + function WritableStreamDefaultWriterCloseWithErrorPropagation(writer) { + var stream = writer._ownerWritableStream; + assert(stream !== undefined); + var state = stream._state; + if (WritableStreamCloseQueuedOrInFlight(stream) === true || state === 'closed') { + return Promise.resolve(); + } + if (state === 'errored') { + return Promise.reject(stream._storedError); + } + assert(state === 'writable' || state === 'erroring'); + return WritableStreamDefaultWriterClose(writer); + } + function WritableStreamDefaultWriterEnsureClosedPromiseRejected(writer, error) { + if (writer._closedPromiseState === 'pending') { + defaultWriterClosedPromiseReject(writer, error); + } else { + defaultWriterClosedPromiseResetToRejected(writer, error); + } + writer._closedPromise.catch(function () {}); + } + function WritableStreamDefaultWriterEnsureReadyPromiseRejected(writer, error) { + if (writer._readyPromiseState === 'pending') { + defaultWriterReadyPromiseReject(writer, error); + } else { + defaultWriterReadyPromiseResetToRejected(writer, error); + } + writer._readyPromise.catch(function () {}); + } + function WritableStreamDefaultWriterGetDesiredSize(writer) { + var stream = writer._ownerWritableStream; + var state = stream._state; + if (state === 'errored' || state === 'erroring') { + return null; + } + if (state === 'closed') { + return 0; + } + return WritableStreamDefaultControllerGetDesiredSize(stream._writableStreamController); + } + function WritableStreamDefaultWriterRelease(writer) { + var stream = writer._ownerWritableStream; + assert(stream !== undefined); + assert(stream._writer === writer); + var releasedError = new TypeError('Writer was released and can no longer be used to monitor the stream\'s closedness'); + WritableStreamDefaultWriterEnsureReadyPromiseRejected(writer, releasedError); + WritableStreamDefaultWriterEnsureClosedPromiseRejected(writer, releasedError); + stream._writer = undefined; + writer._ownerWritableStream = undefined; + } + function WritableStreamDefaultWriterWrite(writer, chunk) { + var stream = writer._ownerWritableStream; + assert(stream !== undefined); + var controller = stream._writableStreamController; + var chunkSize = WritableStreamDefaultControllerGetChunkSize(controller, chunk); + if (stream !== writer._ownerWritableStream) { + return Promise.reject(defaultWriterLockException('write to')); + } + var state = stream._state; + if (state === 'errored') { + return Promise.reject(stream._storedError); + } + if (WritableStreamCloseQueuedOrInFlight(stream) === true || state === 'closed') { + return Promise.reject(new TypeError('The stream is closing or closed and cannot be written to')); + } + if (state === 'erroring') { + return Promise.reject(stream._storedError); + } + assert(state === 'writable'); + var promise = WritableStreamAddWriteRequest(stream); + WritableStreamDefaultControllerWrite(controller, chunk, chunkSize); + return promise; + } + var WritableStreamDefaultController = function () { + function WritableStreamDefaultController(stream, underlyingSink, size, highWaterMark) { + _classCallCheck(this, WritableStreamDefaultController); + if (IsWritableStream(stream) === false) { + throw new TypeError('WritableStreamDefaultController can only be constructed with a WritableStream instance'); + } + if (stream._writableStreamController !== undefined) { + throw new TypeError('WritableStreamDefaultController instances can only be created by the WritableStream constructor'); + } + this._controlledWritableStream = stream; + this._underlyingSink = underlyingSink; + this._queue = undefined; + this._queueTotalSize = undefined; + ResetQueue(this); + this._started = false; + var normalizedStrategy = ValidateAndNormalizeQueuingStrategy(size, highWaterMark); + this._strategySize = normalizedStrategy.size; + this._strategyHWM = normalizedStrategy.highWaterMark; + var backpressure = WritableStreamDefaultControllerGetBackpressure(this); + WritableStreamUpdateBackpressure(stream, backpressure); + } + _createClass(WritableStreamDefaultController, [{ + key: 'error', + value: function error(e) { + if (IsWritableStreamDefaultController(this) === false) { + throw new TypeError('WritableStreamDefaultController.prototype.error can only be used on a WritableStreamDefaultController'); + } + var state = this._controlledWritableStream._state; + if (state !== 'writable') { + return; + } + WritableStreamDefaultControllerError(this, e); + } + }, { + key: '__abortSteps', + value: function __abortSteps(reason) { + return PromiseInvokeOrNoop(this._underlyingSink, 'abort', [reason]); + } + }, { + key: '__errorSteps', + value: function __errorSteps() { + ResetQueue(this); + } + }, { + key: '__startSteps', + value: function __startSteps() { + var _this = this; + var startResult = InvokeOrNoop(this._underlyingSink, 'start', [this]); + var stream = this._controlledWritableStream; + Promise.resolve(startResult).then(function () { + assert(stream._state === 'writable' || stream._state === 'erroring'); + _this._started = true; + WritableStreamDefaultControllerAdvanceQueueIfNeeded(_this); + }, function (r) { + assert(stream._state === 'writable' || stream._state === 'erroring'); + _this._started = true; + WritableStreamDealWithRejection(stream, r); + }).catch(rethrowAssertionErrorRejection); + } + }]); + return WritableStreamDefaultController; + }(); + function WritableStreamDefaultControllerClose(controller) { + EnqueueValueWithSize(controller, 'close', 0); + WritableStreamDefaultControllerAdvanceQueueIfNeeded(controller); + } + function WritableStreamDefaultControllerGetChunkSize(controller, chunk) { + var strategySize = controller._strategySize; + if (strategySize === undefined) { + return 1; + } + try { + return strategySize(chunk); + } catch (chunkSizeE) { + WritableStreamDefaultControllerErrorIfNeeded(controller, chunkSizeE); + return 1; + } + } + function WritableStreamDefaultControllerGetDesiredSize(controller) { + return controller._strategyHWM - controller._queueTotalSize; + } + function WritableStreamDefaultControllerWrite(controller, chunk, chunkSize) { + var writeRecord = { chunk: chunk }; + try { + EnqueueValueWithSize(controller, writeRecord, chunkSize); + } catch (enqueueE) { + WritableStreamDefaultControllerErrorIfNeeded(controller, enqueueE); + return; + } + var stream = controller._controlledWritableStream; + if (WritableStreamCloseQueuedOrInFlight(stream) === false && stream._state === 'writable') { + var backpressure = WritableStreamDefaultControllerGetBackpressure(controller); + WritableStreamUpdateBackpressure(stream, backpressure); + } + WritableStreamDefaultControllerAdvanceQueueIfNeeded(controller); + } + function IsWritableStreamDefaultController(x) { + if (!typeIsObject(x)) { + return false; + } + if (!Object.prototype.hasOwnProperty.call(x, '_underlyingSink')) { + return false; + } + return true; + } + function WritableStreamDefaultControllerAdvanceQueueIfNeeded(controller) { + var stream = controller._controlledWritableStream; + if (controller._started === false) { + return; + } + if (stream._inFlightWriteRequest !== undefined) { + return; + } + var state = stream._state; + if (state === 'closed' || state === 'errored') { + return; + } + if (state === 'erroring') { + WritableStreamFinishErroring(stream); + return; + } + if (controller._queue.length === 0) { + return; + } + var writeRecord = PeekQueueValue(controller); + if (writeRecord === 'close') { + WritableStreamDefaultControllerProcessClose(controller); + } else { + WritableStreamDefaultControllerProcessWrite(controller, writeRecord.chunk); + } + } + function WritableStreamDefaultControllerErrorIfNeeded(controller, error) { + if (controller._controlledWritableStream._state === 'writable') { + WritableStreamDefaultControllerError(controller, error); + } + } + function WritableStreamDefaultControllerProcessClose(controller) { + var stream = controller._controlledWritableStream; + WritableStreamMarkCloseRequestInFlight(stream); + DequeueValue(controller); + assert(controller._queue.length === 0, 'queue must be empty once the final write record is dequeued'); + var sinkClosePromise = PromiseInvokeOrNoop(controller._underlyingSink, 'close', []); + sinkClosePromise.then(function () { + WritableStreamFinishInFlightClose(stream); + }, function (reason) { + WritableStreamFinishInFlightCloseWithError(stream, reason); + }).catch(rethrowAssertionErrorRejection); + } + function WritableStreamDefaultControllerProcessWrite(controller, chunk) { + var stream = controller._controlledWritableStream; + WritableStreamMarkFirstWriteRequestInFlight(stream); + var sinkWritePromise = PromiseInvokeOrNoop(controller._underlyingSink, 'write', [chunk, controller]); + sinkWritePromise.then(function () { + WritableStreamFinishInFlightWrite(stream); + var state = stream._state; + assert(state === 'writable' || state === 'erroring'); + DequeueValue(controller); + if (WritableStreamCloseQueuedOrInFlight(stream) === false && state === 'writable') { + var backpressure = WritableStreamDefaultControllerGetBackpressure(controller); + WritableStreamUpdateBackpressure(stream, backpressure); + } + WritableStreamDefaultControllerAdvanceQueueIfNeeded(controller); + }, function (reason) { + WritableStreamFinishInFlightWriteWithError(stream, reason); + }).catch(rethrowAssertionErrorRejection); + } + function WritableStreamDefaultControllerGetBackpressure(controller) { + var desiredSize = WritableStreamDefaultControllerGetDesiredSize(controller); + return desiredSize <= 0; + } + function WritableStreamDefaultControllerError(controller, error) { + var stream = controller._controlledWritableStream; + assert(stream._state === 'writable'); + WritableStreamStartErroring(stream, error); + } + function streamBrandCheckException(name) { + return new TypeError('WritableStream.prototype.' + name + ' can only be used on a WritableStream'); + } + function defaultWriterBrandCheckException(name) { + return new TypeError('WritableStreamDefaultWriter.prototype.' + name + ' can only be used on a WritableStreamDefaultWriter'); + } + function defaultWriterLockException(name) { + return new TypeError('Cannot ' + name + ' a stream using a released writer'); + } + function defaultWriterClosedPromiseInitialize(writer) { + writer._closedPromise = new Promise(function (resolve, reject) { + writer._closedPromise_resolve = resolve; + writer._closedPromise_reject = reject; + writer._closedPromiseState = 'pending'; + }); + } + function defaultWriterClosedPromiseInitializeAsRejected(writer, reason) { + writer._closedPromise = Promise.reject(reason); + writer._closedPromise_resolve = undefined; + writer._closedPromise_reject = undefined; + writer._closedPromiseState = 'rejected'; + } + function defaultWriterClosedPromiseInitializeAsResolved(writer) { + writer._closedPromise = Promise.resolve(undefined); + writer._closedPromise_resolve = undefined; + writer._closedPromise_reject = undefined; + writer._closedPromiseState = 'resolved'; + } + function defaultWriterClosedPromiseReject(writer, reason) { + assert(writer._closedPromise_resolve !== undefined, 'writer._closedPromise_resolve !== undefined'); + assert(writer._closedPromise_reject !== undefined, 'writer._closedPromise_reject !== undefined'); + assert(writer._closedPromiseState === 'pending', 'writer._closedPromiseState is pending'); + writer._closedPromise_reject(reason); + writer._closedPromise_resolve = undefined; + writer._closedPromise_reject = undefined; + writer._closedPromiseState = 'rejected'; + } + function defaultWriterClosedPromiseResetToRejected(writer, reason) { + assert(writer._closedPromise_resolve === undefined, 'writer._closedPromise_resolve === undefined'); + assert(writer._closedPromise_reject === undefined, 'writer._closedPromise_reject === undefined'); + assert(writer._closedPromiseState !== 'pending', 'writer._closedPromiseState is not pending'); + writer._closedPromise = Promise.reject(reason); + writer._closedPromiseState = 'rejected'; + } + function defaultWriterClosedPromiseResolve(writer) { + assert(writer._closedPromise_resolve !== undefined, 'writer._closedPromise_resolve !== undefined'); + assert(writer._closedPromise_reject !== undefined, 'writer._closedPromise_reject !== undefined'); + assert(writer._closedPromiseState === 'pending', 'writer._closedPromiseState is pending'); + writer._closedPromise_resolve(undefined); + writer._closedPromise_resolve = undefined; + writer._closedPromise_reject = undefined; + writer._closedPromiseState = 'resolved'; + } + function defaultWriterReadyPromiseInitialize(writer) { + writer._readyPromise = new Promise(function (resolve, reject) { + writer._readyPromise_resolve = resolve; + writer._readyPromise_reject = reject; + }); + writer._readyPromiseState = 'pending'; + } + function defaultWriterReadyPromiseInitializeAsRejected(writer, reason) { + writer._readyPromise = Promise.reject(reason); + writer._readyPromise_resolve = undefined; + writer._readyPromise_reject = undefined; + writer._readyPromiseState = 'rejected'; + } + function defaultWriterReadyPromiseInitializeAsResolved(writer) { + writer._readyPromise = Promise.resolve(undefined); + writer._readyPromise_resolve = undefined; + writer._readyPromise_reject = undefined; + writer._readyPromiseState = 'fulfilled'; + } + function defaultWriterReadyPromiseReject(writer, reason) { + assert(writer._readyPromise_resolve !== undefined, 'writer._readyPromise_resolve !== undefined'); + assert(writer._readyPromise_reject !== undefined, 'writer._readyPromise_reject !== undefined'); + writer._readyPromise_reject(reason); + writer._readyPromise_resolve = undefined; + writer._readyPromise_reject = undefined; + writer._readyPromiseState = 'rejected'; + } + function defaultWriterReadyPromiseReset(writer) { + assert(writer._readyPromise_resolve === undefined, 'writer._readyPromise_resolve === undefined'); + assert(writer._readyPromise_reject === undefined, 'writer._readyPromise_reject === undefined'); + writer._readyPromise = new Promise(function (resolve, reject) { + writer._readyPromise_resolve = resolve; + writer._readyPromise_reject = reject; + }); + writer._readyPromiseState = 'pending'; + } + function defaultWriterReadyPromiseResetToRejected(writer, reason) { + assert(writer._readyPromise_resolve === undefined, 'writer._readyPromise_resolve === undefined'); + assert(writer._readyPromise_reject === undefined, 'writer._readyPromise_reject === undefined'); + writer._readyPromise = Promise.reject(reason); + writer._readyPromiseState = 'rejected'; + } + function defaultWriterReadyPromiseResolve(writer) { + assert(writer._readyPromise_resolve !== undefined, 'writer._readyPromise_resolve !== undefined'); + assert(writer._readyPromise_reject !== undefined, 'writer._readyPromise_reject !== undefined'); + writer._readyPromise_resolve(undefined); + writer._readyPromise_resolve = undefined; + writer._readyPromise_reject = undefined; + writer._readyPromiseState = 'fulfilled'; + } +}, function (module, exports, __w_pdfjs_require__) { + "use strict"; + + var _require = __w_pdfjs_require__(0), + IsFiniteNonNegativeNumber = _require.IsFiniteNonNegativeNumber; + var _require2 = __w_pdfjs_require__(1), + assert = _require2.assert; + exports.DequeueValue = function (container) { + assert('_queue' in container && '_queueTotalSize' in container, 'Spec-level failure: DequeueValue should only be used on containers with [[queue]] and [[queueTotalSize]].'); + assert(container._queue.length > 0, 'Spec-level failure: should never dequeue from an empty queue.'); + var pair = container._queue.shift(); + container._queueTotalSize -= pair.size; + if (container._queueTotalSize < 0) { + container._queueTotalSize = 0; + } + return pair.value; + }; + exports.EnqueueValueWithSize = function (container, value, size) { + assert('_queue' in container && '_queueTotalSize' in container, 'Spec-level failure: EnqueueValueWithSize should only be used on containers with [[queue]] and ' + '[[queueTotalSize]].'); + size = Number(size); + if (!IsFiniteNonNegativeNumber(size)) { + throw new RangeError('Size must be a finite, non-NaN, non-negative number.'); + } + container._queue.push({ + value: value, + size: size + }); + container._queueTotalSize += size; + }; + exports.PeekQueueValue = function (container) { + assert('_queue' in container && '_queueTotalSize' in container, 'Spec-level failure: PeekQueueValue should only be used on containers with [[queue]] and [[queueTotalSize]].'); + assert(container._queue.length > 0, 'Spec-level failure: should never peek at an empty queue.'); + var pair = container._queue[0]; + return pair.value; + }; + exports.ResetQueue = function (container) { + assert('_queue' in container && '_queueTotalSize' in container, 'Spec-level failure: ResetQueue should only be used on containers with [[queue]] and [[queueTotalSize]].'); + container._queue = []; + container._queueTotalSize = 0; + }; +}, function (module, exports, __w_pdfjs_require__) { + "use strict"; + + var _createClass = function () { + function defineProperties(target, props) { + for (var i = 0; i < props.length; i++) { + var descriptor = props[i]; + descriptor.enumerable = descriptor.enumerable || false; + descriptor.configurable = true; + if ("value" in descriptor) descriptor.writable = true; + Object.defineProperty(target, descriptor.key, descriptor); + } + } + return function (Constructor, protoProps, staticProps) { + if (protoProps) defineProperties(Constructor.prototype, protoProps); + if (staticProps) defineProperties(Constructor, staticProps); + return Constructor; + }; + }(); + function _classCallCheck(instance, Constructor) { + if (!(instance instanceof Constructor)) { + throw new TypeError("Cannot call a class as a function"); + } + } + var _require = __w_pdfjs_require__(0), + ArrayBufferCopy = _require.ArrayBufferCopy, + CreateIterResultObject = _require.CreateIterResultObject, + IsFiniteNonNegativeNumber = _require.IsFiniteNonNegativeNumber, + InvokeOrNoop = _require.InvokeOrNoop, + PromiseInvokeOrNoop = _require.PromiseInvokeOrNoop, + TransferArrayBuffer = _require.TransferArrayBuffer, + ValidateAndNormalizeQueuingStrategy = _require.ValidateAndNormalizeQueuingStrategy, + ValidateAndNormalizeHighWaterMark = _require.ValidateAndNormalizeHighWaterMark; + var _require2 = __w_pdfjs_require__(0), + createArrayFromList = _require2.createArrayFromList, + createDataProperty = _require2.createDataProperty, + typeIsObject = _require2.typeIsObject; + var _require3 = __w_pdfjs_require__(1), + assert = _require3.assert, + rethrowAssertionErrorRejection = _require3.rethrowAssertionErrorRejection; + var _require4 = __w_pdfjs_require__(3), + DequeueValue = _require4.DequeueValue, + EnqueueValueWithSize = _require4.EnqueueValueWithSize, + ResetQueue = _require4.ResetQueue; + var _require5 = __w_pdfjs_require__(2), + AcquireWritableStreamDefaultWriter = _require5.AcquireWritableStreamDefaultWriter, + IsWritableStream = _require5.IsWritableStream, + IsWritableStreamLocked = _require5.IsWritableStreamLocked, + WritableStreamAbort = _require5.WritableStreamAbort, + WritableStreamDefaultWriterCloseWithErrorPropagation = _require5.WritableStreamDefaultWriterCloseWithErrorPropagation, + WritableStreamDefaultWriterRelease = _require5.WritableStreamDefaultWriterRelease, + WritableStreamDefaultWriterWrite = _require5.WritableStreamDefaultWriterWrite, + WritableStreamCloseQueuedOrInFlight = _require5.WritableStreamCloseQueuedOrInFlight; + var ReadableStream = function () { + function ReadableStream() { + var underlyingSource = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {}; + var _ref = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {}, + size = _ref.size, + highWaterMark = _ref.highWaterMark; + _classCallCheck(this, ReadableStream); + this._state = 'readable'; + this._reader = undefined; + this._storedError = undefined; + this._disturbed = false; + this._readableStreamController = undefined; + var type = underlyingSource.type; + var typeString = String(type); + if (typeString === 'bytes') { + if (highWaterMark === undefined) { + highWaterMark = 0; + } + this._readableStreamController = new ReadableByteStreamController(this, underlyingSource, highWaterMark); + } else if (type === undefined) { + if (highWaterMark === undefined) { + highWaterMark = 1; + } + this._readableStreamController = new ReadableStreamDefaultController(this, underlyingSource, size, highWaterMark); + } else { + throw new RangeError('Invalid type is specified'); + } + } + _createClass(ReadableStream, [{ + key: 'cancel', + value: function cancel(reason) { + if (IsReadableStream(this) === false) { + return Promise.reject(streamBrandCheckException('cancel')); + } + if (IsReadableStreamLocked(this) === true) { + return Promise.reject(new TypeError('Cannot cancel a stream that already has a reader')); + } + return ReadableStreamCancel(this, reason); + } + }, { + key: 'getReader', + value: function getReader() { + var _ref2 = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {}, + mode = _ref2.mode; + if (IsReadableStream(this) === false) { + throw streamBrandCheckException('getReader'); + } + if (mode === undefined) { + return AcquireReadableStreamDefaultReader(this); + } + mode = String(mode); + if (mode === 'byob') { + return AcquireReadableStreamBYOBReader(this); + } + throw new RangeError('Invalid mode is specified'); + } + }, { + key: 'pipeThrough', + value: function pipeThrough(_ref3, options) { + var writable = _ref3.writable, + readable = _ref3.readable; + var promise = this.pipeTo(writable, options); + ifIsObjectAndHasAPromiseIsHandledInternalSlotSetPromiseIsHandledToTrue(promise); + return readable; + } + }, { + key: 'pipeTo', + value: function pipeTo(dest) { + var _this = this; + var _ref4 = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {}, + preventClose = _ref4.preventClose, + preventAbort = _ref4.preventAbort, + preventCancel = _ref4.preventCancel; + if (IsReadableStream(this) === false) { + return Promise.reject(streamBrandCheckException('pipeTo')); + } + if (IsWritableStream(dest) === false) { + return Promise.reject(new TypeError('ReadableStream.prototype.pipeTo\'s first argument must be a WritableStream')); + } + preventClose = Boolean(preventClose); + preventAbort = Boolean(preventAbort); + preventCancel = Boolean(preventCancel); + if (IsReadableStreamLocked(this) === true) { + return Promise.reject(new TypeError('ReadableStream.prototype.pipeTo cannot be used on a locked ReadableStream')); + } + if (IsWritableStreamLocked(dest) === true) { + return Promise.reject(new TypeError('ReadableStream.prototype.pipeTo cannot be used on a locked WritableStream')); + } + var reader = AcquireReadableStreamDefaultReader(this); + var writer = AcquireWritableStreamDefaultWriter(dest); + var shuttingDown = false; + var currentWrite = Promise.resolve(); + return new Promise(function (resolve, reject) { + function pipeLoop() { + currentWrite = Promise.resolve(); + if (shuttingDown === true) { + return Promise.resolve(); + } + return writer._readyPromise.then(function () { + return ReadableStreamDefaultReaderRead(reader).then(function (_ref5) { + var value = _ref5.value, + done = _ref5.done; + if (done === true) { + return; + } + currentWrite = WritableStreamDefaultWriterWrite(writer, value).catch(function () {}); + }); + }).then(pipeLoop); + } + isOrBecomesErrored(_this, reader._closedPromise, function (storedError) { + if (preventAbort === false) { + shutdownWithAction(function () { + return WritableStreamAbort(dest, storedError); + }, true, storedError); + } else { + shutdown(true, storedError); + } + }); + isOrBecomesErrored(dest, writer._closedPromise, function (storedError) { + if (preventCancel === false) { + shutdownWithAction(function () { + return ReadableStreamCancel(_this, storedError); + }, true, storedError); + } else { + shutdown(true, storedError); + } + }); + isOrBecomesClosed(_this, reader._closedPromise, function () { + if (preventClose === false) { + shutdownWithAction(function () { + return WritableStreamDefaultWriterCloseWithErrorPropagation(writer); + }); + } else { + shutdown(); + } + }); + if (WritableStreamCloseQueuedOrInFlight(dest) === true || dest._state === 'closed') { + var destClosed = new TypeError('the destination writable stream closed before all data could be piped to it'); + if (preventCancel === false) { + shutdownWithAction(function () { + return ReadableStreamCancel(_this, destClosed); + }, true, destClosed); + } else { + shutdown(true, destClosed); + } + } + pipeLoop().catch(function (err) { + currentWrite = Promise.resolve(); + rethrowAssertionErrorRejection(err); + }); + function waitForWritesToFinish() { + var oldCurrentWrite = currentWrite; + return currentWrite.then(function () { + return oldCurrentWrite !== currentWrite ? waitForWritesToFinish() : undefined; + }); + } + function isOrBecomesErrored(stream, promise, action) { + if (stream._state === 'errored') { + action(stream._storedError); + } else { + promise.catch(action).catch(rethrowAssertionErrorRejection); + } + } + function isOrBecomesClosed(stream, promise, action) { + if (stream._state === 'closed') { + action(); + } else { + promise.then(action).catch(rethrowAssertionErrorRejection); + } + } + function shutdownWithAction(action, originalIsError, originalError) { + if (shuttingDown === true) { + return; + } + shuttingDown = true; + if (dest._state === 'writable' && WritableStreamCloseQueuedOrInFlight(dest) === false) { + waitForWritesToFinish().then(doTheRest); + } else { + doTheRest(); + } + function doTheRest() { + action().then(function () { + return finalize(originalIsError, originalError); + }, function (newError) { + return finalize(true, newError); + }).catch(rethrowAssertionErrorRejection); + } + } + function shutdown(isError, error) { + if (shuttingDown === true) { + return; + } + shuttingDown = true; + if (dest._state === 'writable' && WritableStreamCloseQueuedOrInFlight(dest) === false) { + waitForWritesToFinish().then(function () { + return finalize(isError, error); + }).catch(rethrowAssertionErrorRejection); + } else { + finalize(isError, error); + } + } + function finalize(isError, error) { + WritableStreamDefaultWriterRelease(writer); + ReadableStreamReaderGenericRelease(reader); + if (isError) { + reject(error); + } else { + resolve(undefined); + } + } + }); + } + }, { + key: 'tee', + value: function tee() { + if (IsReadableStream(this) === false) { + throw streamBrandCheckException('tee'); + } + var branches = ReadableStreamTee(this, false); + return createArrayFromList(branches); + } + }, { + key: 'locked', + get: function get() { + if (IsReadableStream(this) === false) { + throw streamBrandCheckException('locked'); + } + return IsReadableStreamLocked(this); + } + }]); + return ReadableStream; + }(); + module.exports = { + ReadableStream: ReadableStream, + IsReadableStreamDisturbed: IsReadableStreamDisturbed, + ReadableStreamDefaultControllerClose: ReadableStreamDefaultControllerClose, + ReadableStreamDefaultControllerEnqueue: ReadableStreamDefaultControllerEnqueue, + ReadableStreamDefaultControllerError: ReadableStreamDefaultControllerError, + ReadableStreamDefaultControllerGetDesiredSize: ReadableStreamDefaultControllerGetDesiredSize + }; + function AcquireReadableStreamBYOBReader(stream) { + return new ReadableStreamBYOBReader(stream); + } + function AcquireReadableStreamDefaultReader(stream) { + return new ReadableStreamDefaultReader(stream); + } + function IsReadableStream(x) { + if (!typeIsObject(x)) { + return false; + } + if (!Object.prototype.hasOwnProperty.call(x, '_readableStreamController')) { + return false; + } + return true; + } + function IsReadableStreamDisturbed(stream) { + assert(IsReadableStream(stream) === true, 'IsReadableStreamDisturbed should only be used on known readable streams'); + return stream._disturbed; + } + function IsReadableStreamLocked(stream) { + assert(IsReadableStream(stream) === true, 'IsReadableStreamLocked should only be used on known readable streams'); + if (stream._reader === undefined) { + return false; + } + return true; + } + function ReadableStreamTee(stream, cloneForBranch2) { + assert(IsReadableStream(stream) === true); + assert(typeof cloneForBranch2 === 'boolean'); + var reader = AcquireReadableStreamDefaultReader(stream); + var teeState = { + closedOrErrored: false, + canceled1: false, + canceled2: false, + reason1: undefined, + reason2: undefined + }; + teeState.promise = new Promise(function (resolve) { + teeState._resolve = resolve; + }); + var pull = create_ReadableStreamTeePullFunction(); + pull._reader = reader; + pull._teeState = teeState; + pull._cloneForBranch2 = cloneForBranch2; + var cancel1 = create_ReadableStreamTeeBranch1CancelFunction(); + cancel1._stream = stream; + cancel1._teeState = teeState; + var cancel2 = create_ReadableStreamTeeBranch2CancelFunction(); + cancel2._stream = stream; + cancel2._teeState = teeState; + var underlyingSource1 = Object.create(Object.prototype); + createDataProperty(underlyingSource1, 'pull', pull); + createDataProperty(underlyingSource1, 'cancel', cancel1); + var branch1Stream = new ReadableStream(underlyingSource1); + var underlyingSource2 = Object.create(Object.prototype); + createDataProperty(underlyingSource2, 'pull', pull); + createDataProperty(underlyingSource2, 'cancel', cancel2); + var branch2Stream = new ReadableStream(underlyingSource2); + pull._branch1 = branch1Stream._readableStreamController; + pull._branch2 = branch2Stream._readableStreamController; + reader._closedPromise.catch(function (r) { + if (teeState.closedOrErrored === true) { + return; + } + ReadableStreamDefaultControllerError(pull._branch1, r); + ReadableStreamDefaultControllerError(pull._branch2, r); + teeState.closedOrErrored = true; + }); + return [branch1Stream, branch2Stream]; + } + function create_ReadableStreamTeePullFunction() { + function f() { + var reader = f._reader, + branch1 = f._branch1, + branch2 = f._branch2, + teeState = f._teeState; + return ReadableStreamDefaultReaderRead(reader).then(function (result) { + assert(typeIsObject(result)); + var value = result.value; + var done = result.done; + assert(typeof done === 'boolean'); + if (done === true && teeState.closedOrErrored === false) { + if (teeState.canceled1 === false) { + ReadableStreamDefaultControllerClose(branch1); + } + if (teeState.canceled2 === false) { + ReadableStreamDefaultControllerClose(branch2); + } + teeState.closedOrErrored = true; + } + if (teeState.closedOrErrored === true) { + return; + } + var value1 = value; + var value2 = value; + if (teeState.canceled1 === false) { + ReadableStreamDefaultControllerEnqueue(branch1, value1); + } + if (teeState.canceled2 === false) { + ReadableStreamDefaultControllerEnqueue(branch2, value2); + } + }); + } + return f; + } + function create_ReadableStreamTeeBranch1CancelFunction() { + function f(reason) { + var stream = f._stream, + teeState = f._teeState; + teeState.canceled1 = true; + teeState.reason1 = reason; + if (teeState.canceled2 === true) { + var compositeReason = createArrayFromList([teeState.reason1, teeState.reason2]); + var cancelResult = ReadableStreamCancel(stream, compositeReason); + teeState._resolve(cancelResult); + } + return teeState.promise; + } + return f; + } + function create_ReadableStreamTeeBranch2CancelFunction() { + function f(reason) { + var stream = f._stream, + teeState = f._teeState; + teeState.canceled2 = true; + teeState.reason2 = reason; + if (teeState.canceled1 === true) { + var compositeReason = createArrayFromList([teeState.reason1, teeState.reason2]); + var cancelResult = ReadableStreamCancel(stream, compositeReason); + teeState._resolve(cancelResult); + } + return teeState.promise; + } + return f; + } + function ReadableStreamAddReadIntoRequest(stream) { + assert(IsReadableStreamBYOBReader(stream._reader) === true); + assert(stream._state === 'readable' || stream._state === 'closed'); + var promise = new Promise(function (resolve, reject) { + var readIntoRequest = { + _resolve: resolve, + _reject: reject + }; + stream._reader._readIntoRequests.push(readIntoRequest); + }); + return promise; + } + function ReadableStreamAddReadRequest(stream) { + assert(IsReadableStreamDefaultReader(stream._reader) === true); + assert(stream._state === 'readable'); + var promise = new Promise(function (resolve, reject) { + var readRequest = { + _resolve: resolve, + _reject: reject + }; + stream._reader._readRequests.push(readRequest); + }); + return promise; + } + function ReadableStreamCancel(stream, reason) { + stream._disturbed = true; + if (stream._state === 'closed') { + return Promise.resolve(undefined); + } + if (stream._state === 'errored') { + return Promise.reject(stream._storedError); + } + ReadableStreamClose(stream); + var sourceCancelPromise = stream._readableStreamController.__cancelSteps(reason); + return sourceCancelPromise.then(function () { + return undefined; + }); + } + function ReadableStreamClose(stream) { + assert(stream._state === 'readable'); + stream._state = 'closed'; + var reader = stream._reader; + if (reader === undefined) { + return undefined; + } + if (IsReadableStreamDefaultReader(reader) === true) { + for (var i = 0; i < reader._readRequests.length; i++) { + var _resolve = reader._readRequests[i]._resolve; + _resolve(CreateIterResultObject(undefined, true)); + } + reader._readRequests = []; + } + defaultReaderClosedPromiseResolve(reader); + return undefined; + } + function ReadableStreamError(stream, e) { + assert(IsReadableStream(stream) === true, 'stream must be ReadableStream'); + assert(stream._state === 'readable', 'state must be readable'); + stream._state = 'errored'; + stream._storedError = e; + var reader = stream._reader; + if (reader === undefined) { + return undefined; + } + if (IsReadableStreamDefaultReader(reader) === true) { + for (var i = 0; i < reader._readRequests.length; i++) { + var readRequest = reader._readRequests[i]; + readRequest._reject(e); + } + reader._readRequests = []; + } else { + assert(IsReadableStreamBYOBReader(reader), 'reader must be ReadableStreamBYOBReader'); + for (var _i = 0; _i < reader._readIntoRequests.length; _i++) { + var readIntoRequest = reader._readIntoRequests[_i]; + readIntoRequest._reject(e); + } + reader._readIntoRequests = []; + } + defaultReaderClosedPromiseReject(reader, e); + reader._closedPromise.catch(function () {}); + } + function ReadableStreamFulfillReadIntoRequest(stream, chunk, done) { + var reader = stream._reader; + assert(reader._readIntoRequests.length > 0); + var readIntoRequest = reader._readIntoRequests.shift(); + readIntoRequest._resolve(CreateIterResultObject(chunk, done)); + } + function ReadableStreamFulfillReadRequest(stream, chunk, done) { + var reader = stream._reader; + assert(reader._readRequests.length > 0); + var readRequest = reader._readRequests.shift(); + readRequest._resolve(CreateIterResultObject(chunk, done)); + } + function ReadableStreamGetNumReadIntoRequests(stream) { + return stream._reader._readIntoRequests.length; + } + function ReadableStreamGetNumReadRequests(stream) { + return stream._reader._readRequests.length; + } + function ReadableStreamHasBYOBReader(stream) { + var reader = stream._reader; + if (reader === undefined) { + return false; + } + if (IsReadableStreamBYOBReader(reader) === false) { + return false; + } + return true; + } + function ReadableStreamHasDefaultReader(stream) { + var reader = stream._reader; + if (reader === undefined) { + return false; + } + if (IsReadableStreamDefaultReader(reader) === false) { + return false; + } + return true; + } + var ReadableStreamDefaultReader = function () { + function ReadableStreamDefaultReader(stream) { + _classCallCheck(this, ReadableStreamDefaultReader); + if (IsReadableStream(stream) === false) { + throw new TypeError('ReadableStreamDefaultReader can only be constructed with a ReadableStream instance'); + } + if (IsReadableStreamLocked(stream) === true) { + throw new TypeError('This stream has already been locked for exclusive reading by another reader'); + } + ReadableStreamReaderGenericInitialize(this, stream); + this._readRequests = []; + } + _createClass(ReadableStreamDefaultReader, [{ + key: 'cancel', + value: function cancel(reason) { + if (IsReadableStreamDefaultReader(this) === false) { + return Promise.reject(defaultReaderBrandCheckException('cancel')); + } + if (this._ownerReadableStream === undefined) { + return Promise.reject(readerLockException('cancel')); + } + return ReadableStreamReaderGenericCancel(this, reason); + } + }, { + key: 'read', + value: function read() { + if (IsReadableStreamDefaultReader(this) === false) { + return Promise.reject(defaultReaderBrandCheckException('read')); + } + if (this._ownerReadableStream === undefined) { + return Promise.reject(readerLockException('read from')); + } + return ReadableStreamDefaultReaderRead(this); + } + }, { + key: 'releaseLock', + value: function releaseLock() { + if (IsReadableStreamDefaultReader(this) === false) { + throw defaultReaderBrandCheckException('releaseLock'); + } + if (this._ownerReadableStream === undefined) { + return; + } + if (this._readRequests.length > 0) { + throw new TypeError('Tried to release a reader lock when that reader has pending read() calls un-settled'); + } + ReadableStreamReaderGenericRelease(this); + } + }, { + key: 'closed', + get: function get() { + if (IsReadableStreamDefaultReader(this) === false) { + return Promise.reject(defaultReaderBrandCheckException('closed')); + } + return this._closedPromise; + } + }]); + return ReadableStreamDefaultReader; + }(); + var ReadableStreamBYOBReader = function () { + function ReadableStreamBYOBReader(stream) { + _classCallCheck(this, ReadableStreamBYOBReader); + if (!IsReadableStream(stream)) { + throw new TypeError('ReadableStreamBYOBReader can only be constructed with a ReadableStream instance given a ' + 'byte source'); + } + if (IsReadableByteStreamController(stream._readableStreamController) === false) { + throw new TypeError('Cannot construct a ReadableStreamBYOBReader for a stream not constructed with a byte ' + 'source'); + } + if (IsReadableStreamLocked(stream)) { + throw new TypeError('This stream has already been locked for exclusive reading by another reader'); + } + ReadableStreamReaderGenericInitialize(this, stream); + this._readIntoRequests = []; + } + _createClass(ReadableStreamBYOBReader, [{ + key: 'cancel', + value: function cancel(reason) { + if (!IsReadableStreamBYOBReader(this)) { + return Promise.reject(byobReaderBrandCheckException('cancel')); + } + if (this._ownerReadableStream === undefined) { + return Promise.reject(readerLockException('cancel')); + } + return ReadableStreamReaderGenericCancel(this, reason); + } + }, { + key: 'read', + value: function read(view) { + if (!IsReadableStreamBYOBReader(this)) { + return Promise.reject(byobReaderBrandCheckException('read')); + } + if (this._ownerReadableStream === undefined) { + return Promise.reject(readerLockException('read from')); + } + if (!ArrayBuffer.isView(view)) { + return Promise.reject(new TypeError('view must be an array buffer view')); + } + if (view.byteLength === 0) { + return Promise.reject(new TypeError('view must have non-zero byteLength')); + } + return ReadableStreamBYOBReaderRead(this, view); + } + }, { + key: 'releaseLock', + value: function releaseLock() { + if (!IsReadableStreamBYOBReader(this)) { + throw byobReaderBrandCheckException('releaseLock'); + } + if (this._ownerReadableStream === undefined) { + return; + } + if (this._readIntoRequests.length > 0) { + throw new TypeError('Tried to release a reader lock when that reader has pending read() calls un-settled'); + } + ReadableStreamReaderGenericRelease(this); + } + }, { + key: 'closed', + get: function get() { + if (!IsReadableStreamBYOBReader(this)) { + return Promise.reject(byobReaderBrandCheckException('closed')); + } + return this._closedPromise; + } + }]); + return ReadableStreamBYOBReader; + }(); + function IsReadableStreamBYOBReader(x) { + if (!typeIsObject(x)) { + return false; + } + if (!Object.prototype.hasOwnProperty.call(x, '_readIntoRequests')) { + return false; + } + return true; + } + function IsReadableStreamDefaultReader(x) { + if (!typeIsObject(x)) { + return false; + } + if (!Object.prototype.hasOwnProperty.call(x, '_readRequests')) { + return false; + } + return true; + } + function ReadableStreamReaderGenericInitialize(reader, stream) { + reader._ownerReadableStream = stream; + stream._reader = reader; + if (stream._state === 'readable') { + defaultReaderClosedPromiseInitialize(reader); + } else if (stream._state === 'closed') { + defaultReaderClosedPromiseInitializeAsResolved(reader); + } else { + assert(stream._state === 'errored', 'state must be errored'); + defaultReaderClosedPromiseInitializeAsRejected(reader, stream._storedError); + reader._closedPromise.catch(function () {}); + } + } + function ReadableStreamReaderGenericCancel(reader, reason) { + var stream = reader._ownerReadableStream; + assert(stream !== undefined); + return ReadableStreamCancel(stream, reason); + } + function ReadableStreamReaderGenericRelease(reader) { + assert(reader._ownerReadableStream !== undefined); + assert(reader._ownerReadableStream._reader === reader); + if (reader._ownerReadableStream._state === 'readable') { + defaultReaderClosedPromiseReject(reader, new TypeError('Reader was released and can no longer be used to monitor the stream\'s closedness')); + } else { + defaultReaderClosedPromiseResetToRejected(reader, new TypeError('Reader was released and can no longer be used to monitor the stream\'s closedness')); + } + reader._closedPromise.catch(function () {}); + reader._ownerReadableStream._reader = undefined; + reader._ownerReadableStream = undefined; + } + function ReadableStreamBYOBReaderRead(reader, view) { + var stream = reader._ownerReadableStream; + assert(stream !== undefined); + stream._disturbed = true; + if (stream._state === 'errored') { + return Promise.reject(stream._storedError); + } + return ReadableByteStreamControllerPullInto(stream._readableStreamController, view); + } + function ReadableStreamDefaultReaderRead(reader) { + var stream = reader._ownerReadableStream; + assert(stream !== undefined); + stream._disturbed = true; + if (stream._state === 'closed') { + return Promise.resolve(CreateIterResultObject(undefined, true)); + } + if (stream._state === 'errored') { + return Promise.reject(stream._storedError); + } + assert(stream._state === 'readable'); + return stream._readableStreamController.__pullSteps(); + } + var ReadableStreamDefaultController = function () { + function ReadableStreamDefaultController(stream, underlyingSource, size, highWaterMark) { + _classCallCheck(this, ReadableStreamDefaultController); + if (IsReadableStream(stream) === false) { + throw new TypeError('ReadableStreamDefaultController can only be constructed with a ReadableStream instance'); + } + if (stream._readableStreamController !== undefined) { + throw new TypeError('ReadableStreamDefaultController instances can only be created by the ReadableStream constructor'); + } + this._controlledReadableStream = stream; + this._underlyingSource = underlyingSource; + this._queue = undefined; + this._queueTotalSize = undefined; + ResetQueue(this); + this._started = false; + this._closeRequested = false; + this._pullAgain = false; + this._pulling = false; + var normalizedStrategy = ValidateAndNormalizeQueuingStrategy(size, highWaterMark); + this._strategySize = normalizedStrategy.size; + this._strategyHWM = normalizedStrategy.highWaterMark; + var controller = this; + var startResult = InvokeOrNoop(underlyingSource, 'start', [this]); + Promise.resolve(startResult).then(function () { + controller._started = true; + assert(controller._pulling === false); + assert(controller._pullAgain === false); + ReadableStreamDefaultControllerCallPullIfNeeded(controller); + }, function (r) { + ReadableStreamDefaultControllerErrorIfNeeded(controller, r); + }).catch(rethrowAssertionErrorRejection); + } + _createClass(ReadableStreamDefaultController, [{ + key: 'close', + value: function close() { + if (IsReadableStreamDefaultController(this) === false) { + throw defaultControllerBrandCheckException('close'); + } + if (this._closeRequested === true) { + throw new TypeError('The stream has already been closed; do not close it again!'); + } + var state = this._controlledReadableStream._state; + if (state !== 'readable') { + throw new TypeError('The stream (in ' + state + ' state) is not in the readable state and cannot be closed'); + } + ReadableStreamDefaultControllerClose(this); + } + }, { + key: 'enqueue', + value: function enqueue(chunk) { + if (IsReadableStreamDefaultController(this) === false) { + throw defaultControllerBrandCheckException('enqueue'); + } + if (this._closeRequested === true) { + throw new TypeError('stream is closed or draining'); + } + var state = this._controlledReadableStream._state; + if (state !== 'readable') { + throw new TypeError('The stream (in ' + state + ' state) is not in the readable state and cannot be enqueued to'); + } + return ReadableStreamDefaultControllerEnqueue(this, chunk); + } + }, { + key: 'error', + value: function error(e) { + if (IsReadableStreamDefaultController(this) === false) { + throw defaultControllerBrandCheckException('error'); + } + var stream = this._controlledReadableStream; + if (stream._state !== 'readable') { + throw new TypeError('The stream is ' + stream._state + ' and so cannot be errored'); + } + ReadableStreamDefaultControllerError(this, e); + } + }, { + key: '__cancelSteps', + value: function __cancelSteps(reason) { + ResetQueue(this); + return PromiseInvokeOrNoop(this._underlyingSource, 'cancel', [reason]); + } + }, { + key: '__pullSteps', + value: function __pullSteps() { + var stream = this._controlledReadableStream; + if (this._queue.length > 0) { + var chunk = DequeueValue(this); + if (this._closeRequested === true && this._queue.length === 0) { + ReadableStreamClose(stream); + } else { + ReadableStreamDefaultControllerCallPullIfNeeded(this); + } + return Promise.resolve(CreateIterResultObject(chunk, false)); } - var url = (0, _util.createObjectURL)(fontObj.data, fontObj.mimetype, this.forceDataSchema); - this.cssStyle.textContent += '@font-face { font-family: "' + fontObj.loadedName + '";' + ' src: url(' + url + '); }\n'; - }, - setFont: function SVGGraphics_setFont(details) { - var current = this.current; - var fontObj = this.commonObjs.get(details[0]); - var size = details[1]; - this.current.font = fontObj; - if (this.embedFonts && fontObj.data && !this.embeddedFonts[fontObj.loadedName]) { - this.addFontStyle(fontObj); - this.embeddedFonts[fontObj.loadedName] = fontObj; + var pendingPromise = ReadableStreamAddReadRequest(stream); + ReadableStreamDefaultControllerCallPullIfNeeded(this); + return pendingPromise; + } + }, { + key: 'desiredSize', + get: function get() { + if (IsReadableStreamDefaultController(this) === false) { + throw defaultControllerBrandCheckException('desiredSize'); } - current.fontMatrix = fontObj.fontMatrix ? fontObj.fontMatrix : _util.FONT_IDENTITY_MATRIX; - var bold = fontObj.black ? fontObj.bold ? 'bolder' : 'bold' : fontObj.bold ? 'bold' : 'normal'; - var italic = fontObj.italic ? 'italic' : 'normal'; - if (size < 0) { - size = -size; - current.fontDirection = -1; - } else { - current.fontDirection = 1; + return ReadableStreamDefaultControllerGetDesiredSize(this); + } + }]); + return ReadableStreamDefaultController; + }(); + function IsReadableStreamDefaultController(x) { + if (!typeIsObject(x)) { + return false; + } + if (!Object.prototype.hasOwnProperty.call(x, '_underlyingSource')) { + return false; + } + return true; + } + function ReadableStreamDefaultControllerCallPullIfNeeded(controller) { + var shouldPull = ReadableStreamDefaultControllerShouldCallPull(controller); + if (shouldPull === false) { + return undefined; + } + if (controller._pulling === true) { + controller._pullAgain = true; + return undefined; + } + assert(controller._pullAgain === false); + controller._pulling = true; + var pullPromise = PromiseInvokeOrNoop(controller._underlyingSource, 'pull', [controller]); + pullPromise.then(function () { + controller._pulling = false; + if (controller._pullAgain === true) { + controller._pullAgain = false; + return ReadableStreamDefaultControllerCallPullIfNeeded(controller); + } + return undefined; + }, function (e) { + ReadableStreamDefaultControllerErrorIfNeeded(controller, e); + }).catch(rethrowAssertionErrorRejection); + return undefined; + } + function ReadableStreamDefaultControllerShouldCallPull(controller) { + var stream = controller._controlledReadableStream; + if (stream._state === 'closed' || stream._state === 'errored') { + return false; + } + if (controller._closeRequested === true) { + return false; + } + if (controller._started === false) { + return false; + } + if (IsReadableStreamLocked(stream) === true && ReadableStreamGetNumReadRequests(stream) > 0) { + return true; + } + var desiredSize = ReadableStreamDefaultControllerGetDesiredSize(controller); + if (desiredSize > 0) { + return true; + } + return false; + } + function ReadableStreamDefaultControllerClose(controller) { + var stream = controller._controlledReadableStream; + assert(controller._closeRequested === false); + assert(stream._state === 'readable'); + controller._closeRequested = true; + if (controller._queue.length === 0) { + ReadableStreamClose(stream); + } + } + function ReadableStreamDefaultControllerEnqueue(controller, chunk) { + var stream = controller._controlledReadableStream; + assert(controller._closeRequested === false); + assert(stream._state === 'readable'); + if (IsReadableStreamLocked(stream) === true && ReadableStreamGetNumReadRequests(stream) > 0) { + ReadableStreamFulfillReadRequest(stream, chunk, false); + } else { + var chunkSize = 1; + if (controller._strategySize !== undefined) { + var strategySize = controller._strategySize; + try { + chunkSize = strategySize(chunk); + } catch (chunkSizeE) { + ReadableStreamDefaultControllerErrorIfNeeded(controller, chunkSizeE); + throw chunkSizeE; } - current.fontSize = size; - current.fontFamily = fontObj.loadedName; - current.fontWeight = bold; - current.fontStyle = italic; - current.tspan = document.createElementNS(NS, 'svg:tspan'); - current.tspan.setAttributeNS(null, 'y', pf(-current.y)); - current.xcoords = []; - }, - endText: function SVGGraphics_endText() {}, - setLineWidth: function SVGGraphics_setLineWidth(width) { - this.current.lineWidth = width; - }, - setLineCap: function SVGGraphics_setLineCap(style) { - this.current.lineCap = LINE_CAP_STYLES[style]; - }, - setLineJoin: function SVGGraphics_setLineJoin(style) { - this.current.lineJoin = LINE_JOIN_STYLES[style]; - }, - setMiterLimit: function SVGGraphics_setMiterLimit(limit) { - this.current.miterLimit = limit; - }, - setStrokeAlpha: function SVGGraphics_setStrokeAlpha(strokeAlpha) { - this.current.strokeAlpha = strokeAlpha; - }, - setStrokeRGBColor: function SVGGraphics_setStrokeRGBColor(r, g, b) { - var color = _util.Util.makeCssRgb(r, g, b); - this.current.strokeColor = color; - }, - setFillAlpha: function SVGGraphics_setFillAlpha(fillAlpha) { - this.current.fillAlpha = fillAlpha; - }, - setFillRGBColor: function SVGGraphics_setFillRGBColor(r, g, b) { - var color = _util.Util.makeCssRgb(r, g, b); - this.current.fillColor = color; - this.current.tspan = document.createElementNS(NS, 'svg:tspan'); - this.current.xcoords = []; - }, - setDash: function SVGGraphics_setDash(dashArray, dashPhase) { - this.current.dashArray = dashArray; - this.current.dashPhase = dashPhase; - }, - constructPath: function SVGGraphics_constructPath(ops, args) { - var current = this.current; - var x = current.x, - y = current.y; - current.path = document.createElementNS(NS, 'svg:path'); - var d = []; - var opLength = ops.length; - for (var i = 0, j = 0; i < opLength; i++) { - switch (ops[i] | 0) { - case _util.OPS.rectangle: - x = args[j++]; - y = args[j++]; - var width = args[j++]; - var height = args[j++]; - var xw = x + width; - var yh = y + height; - d.push('M', pf(x), pf(y), 'L', pf(xw), pf(y), 'L', pf(xw), pf(yh), 'L', pf(x), pf(yh), 'Z'); - break; - case _util.OPS.moveTo: - x = args[j++]; - y = args[j++]; - d.push('M', pf(x), pf(y)); - break; - case _util.OPS.lineTo: - x = args[j++]; - y = args[j++]; - d.push('L', pf(x), pf(y)); - break; - case _util.OPS.curveTo: - x = args[j + 4]; - y = args[j + 5]; - d.push('C', pf(args[j]), pf(args[j + 1]), pf(args[j + 2]), pf(args[j + 3]), pf(x), pf(y)); - j += 6; - break; - case _util.OPS.curveTo2: - x = args[j + 2]; - y = args[j + 3]; - d.push('C', pf(x), pf(y), pf(args[j]), pf(args[j + 1]), pf(args[j + 2]), pf(args[j + 3])); - j += 4; - break; - case _util.OPS.curveTo3: - x = args[j + 2]; - y = args[j + 3]; - d.push('C', pf(args[j]), pf(args[j + 1]), pf(x), pf(y), pf(x), pf(y)); - j += 4; - break; - case _util.OPS.closePath: - d.push('Z'); - break; - } + } + try { + EnqueueValueWithSize(controller, chunk, chunkSize); + } catch (enqueueE) { + ReadableStreamDefaultControllerErrorIfNeeded(controller, enqueueE); + throw enqueueE; + } + } + ReadableStreamDefaultControllerCallPullIfNeeded(controller); + return undefined; + } + function ReadableStreamDefaultControllerError(controller, e) { + var stream = controller._controlledReadableStream; + assert(stream._state === 'readable'); + ResetQueue(controller); + ReadableStreamError(stream, e); + } + function ReadableStreamDefaultControllerErrorIfNeeded(controller, e) { + if (controller._controlledReadableStream._state === 'readable') { + ReadableStreamDefaultControllerError(controller, e); + } + } + function ReadableStreamDefaultControllerGetDesiredSize(controller) { + var stream = controller._controlledReadableStream; + var state = stream._state; + if (state === 'errored') { + return null; + } + if (state === 'closed') { + return 0; + } + return controller._strategyHWM - controller._queueTotalSize; + } + var ReadableStreamBYOBRequest = function () { + function ReadableStreamBYOBRequest(controller, view) { + _classCallCheck(this, ReadableStreamBYOBRequest); + this._associatedReadableByteStreamController = controller; + this._view = view; + } + _createClass(ReadableStreamBYOBRequest, [{ + key: 'respond', + value: function respond(bytesWritten) { + if (IsReadableStreamBYOBRequest(this) === false) { + throw byobRequestBrandCheckException('respond'); + } + if (this._associatedReadableByteStreamController === undefined) { + throw new TypeError('This BYOB request has been invalidated'); + } + ReadableByteStreamControllerRespond(this._associatedReadableByteStreamController, bytesWritten); + } + }, { + key: 'respondWithNewView', + value: function respondWithNewView(view) { + if (IsReadableStreamBYOBRequest(this) === false) { + throw byobRequestBrandCheckException('respond'); } - current.path.setAttributeNS(null, 'd', d.join(' ')); - current.path.setAttributeNS(null, 'fill', 'none'); - this._ensureTransformGroup().appendChild(current.path); - current.element = current.path; - current.setCurrentPoint(x, y); - }, - endPath: function SVGGraphics_endPath() { - if (!this.pendingClip) { - return; + if (this._associatedReadableByteStreamController === undefined) { + throw new TypeError('This BYOB request has been invalidated'); } - var current = this.current; - var clipId = 'clippath' + clipCount; - clipCount++; - var clipPath = document.createElementNS(NS, 'svg:clipPath'); - clipPath.setAttributeNS(null, 'id', clipId); - clipPath.setAttributeNS(null, 'transform', pm(this.transformMatrix)); - var clipElement = current.element.cloneNode(); - if (this.pendingClip === 'evenodd') { - clipElement.setAttributeNS(null, 'clip-rule', 'evenodd'); - } else { - clipElement.setAttributeNS(null, 'clip-rule', 'nonzero'); + if (!ArrayBuffer.isView(view)) { + throw new TypeError('You can only respond with array buffer views'); } - this.pendingClip = null; - clipPath.appendChild(clipElement); - this.defs.appendChild(clipPath); - if (current.activeClipUrl) { - current.clipGroup = null; - this.extraStack.forEach(function (prev) { - prev.clipGroup = null; - }); + ReadableByteStreamControllerRespondWithNewView(this._associatedReadableByteStreamController, view); + } + }, { + key: 'view', + get: function get() { + return this._view; + } + }]); + return ReadableStreamBYOBRequest; + }(); + var ReadableByteStreamController = function () { + function ReadableByteStreamController(stream, underlyingByteSource, highWaterMark) { + _classCallCheck(this, ReadableByteStreamController); + if (IsReadableStream(stream) === false) { + throw new TypeError('ReadableByteStreamController can only be constructed with a ReadableStream instance given ' + 'a byte source'); + } + if (stream._readableStreamController !== undefined) { + throw new TypeError('ReadableByteStreamController instances can only be created by the ReadableStream constructor given a byte ' + 'source'); + } + this._controlledReadableStream = stream; + this._underlyingByteSource = underlyingByteSource; + this._pullAgain = false; + this._pulling = false; + ReadableByteStreamControllerClearPendingPullIntos(this); + this._queue = this._queueTotalSize = undefined; + ResetQueue(this); + this._closeRequested = false; + this._started = false; + this._strategyHWM = ValidateAndNormalizeHighWaterMark(highWaterMark); + var autoAllocateChunkSize = underlyingByteSource.autoAllocateChunkSize; + if (autoAllocateChunkSize !== undefined) { + if (Number.isInteger(autoAllocateChunkSize) === false || autoAllocateChunkSize <= 0) { + throw new RangeError('autoAllocateChunkSize must be a positive integer'); } - current.activeClipUrl = 'url(#' + clipId + ')'; - this.tgrp = null; - }, - clip: function SVGGraphics_clip(type) { - this.pendingClip = type; - }, - closePath: function SVGGraphics_closePath() { - var current = this.current; - var d = current.path.getAttributeNS(null, 'd'); - d += 'Z'; - current.path.setAttributeNS(null, 'd', d); - }, - setLeading: function SVGGraphics_setLeading(leading) { - this.current.leading = -leading; - }, - setTextRise: function SVGGraphics_setTextRise(textRise) { - this.current.textRise = textRise; - }, - setHScale: function SVGGraphics_setHScale(scale) { - this.current.textHScale = scale / 100; - }, - setGState: function SVGGraphics_setGState(states) { - for (var i = 0, ii = states.length; i < ii; i++) { - var state = states[i]; - var key = state[0]; - var value = state[1]; - switch (key) { - case 'LW': - this.setLineWidth(value); - break; - case 'LC': - this.setLineCap(value); - break; - case 'LJ': - this.setLineJoin(value); - break; - case 'ML': - this.setMiterLimit(value); - break; - case 'D': - this.setDash(value[0], value[1]); - break; - case 'Font': - this.setFont(value); - break; - case 'CA': - this.setStrokeAlpha(value); - break; - case 'ca': - this.setFillAlpha(value); - break; - default: - (0, _util.warn)('Unimplemented graphic state ' + key); - break; - } + } + this._autoAllocateChunkSize = autoAllocateChunkSize; + this._pendingPullIntos = []; + var controller = this; + var startResult = InvokeOrNoop(underlyingByteSource, 'start', [this]); + Promise.resolve(startResult).then(function () { + controller._started = true; + assert(controller._pulling === false); + assert(controller._pullAgain === false); + ReadableByteStreamControllerCallPullIfNeeded(controller); + }, function (r) { + if (stream._state === 'readable') { + ReadableByteStreamControllerError(controller, r); } - }, - fill: function SVGGraphics_fill() { - var current = this.current; - current.element.setAttributeNS(null, 'fill', current.fillColor); - current.element.setAttributeNS(null, 'fill-opacity', current.fillAlpha); - }, - stroke: function SVGGraphics_stroke() { - var current = this.current; - current.element.setAttributeNS(null, 'stroke', current.strokeColor); - current.element.setAttributeNS(null, 'stroke-opacity', current.strokeAlpha); - current.element.setAttributeNS(null, 'stroke-miterlimit', pf(current.miterLimit)); - current.element.setAttributeNS(null, 'stroke-linecap', current.lineCap); - current.element.setAttributeNS(null, 'stroke-linejoin', current.lineJoin); - current.element.setAttributeNS(null, 'stroke-width', pf(current.lineWidth) + 'px'); - current.element.setAttributeNS(null, 'stroke-dasharray', current.dashArray.map(pf).join(' ')); - current.element.setAttributeNS(null, 'stroke-dashoffset', pf(current.dashPhase) + 'px'); - current.element.setAttributeNS(null, 'fill', 'none'); - }, - eoFill: function SVGGraphics_eoFill() { - this.current.element.setAttributeNS(null, 'fill-rule', 'evenodd'); - this.fill(); - }, - fillStroke: function SVGGraphics_fillStroke() { - this.stroke(); - this.fill(); - }, - eoFillStroke: function SVGGraphics_eoFillStroke() { - this.current.element.setAttributeNS(null, 'fill-rule', 'evenodd'); - this.fillStroke(); - }, - closeStroke: function SVGGraphics_closeStroke() { - this.closePath(); - this.stroke(); - }, - closeFillStroke: function SVGGraphics_closeFillStroke() { - this.closePath(); - this.fillStroke(); - }, - paintSolidColorImageMask: function SVGGraphics_paintSolidColorImageMask() { - var current = this.current; - var rect = document.createElementNS(NS, 'svg:rect'); - rect.setAttributeNS(null, 'x', '0'); - rect.setAttributeNS(null, 'y', '0'); - rect.setAttributeNS(null, 'width', '1px'); - rect.setAttributeNS(null, 'height', '1px'); - rect.setAttributeNS(null, 'fill', current.fillColor); - this._ensureTransformGroup().appendChild(rect); - }, - paintJpegXObject: function SVGGraphics_paintJpegXObject(objId, w, h) { - var imgObj = this.objs.get(objId); - var imgEl = document.createElementNS(NS, 'svg:image'); - imgEl.setAttributeNS(XLINK_NS, 'xlink:href', imgObj.src); - imgEl.setAttributeNS(null, 'width', pf(w)); - imgEl.setAttributeNS(null, 'height', pf(h)); - imgEl.setAttributeNS(null, 'x', '0'); - imgEl.setAttributeNS(null, 'y', pf(-h)); - imgEl.setAttributeNS(null, 'transform', 'scale(' + pf(1 / w) + ' ' + pf(-1 / h) + ')'); - this._ensureTransformGroup().appendChild(imgEl); - }, - paintImageXObject: function SVGGraphics_paintImageXObject(objId) { - var imgData = this.objs.get(objId); - if (!imgData) { - (0, _util.warn)('Dependent image isn\'t ready yet'); - return; + }).catch(rethrowAssertionErrorRejection); + } + _createClass(ReadableByteStreamController, [{ + key: 'close', + value: function close() { + if (IsReadableByteStreamController(this) === false) { + throw byteStreamControllerBrandCheckException('close'); } - this.paintInlineImageXObject(imgData); - }, - paintInlineImageXObject: function SVGGraphics_paintInlineImageXObject(imgData, mask) { - var width = imgData.width; - var height = imgData.height; - var imgSrc = convertImgDataToPng(imgData, this.forceDataSchema); - var cliprect = document.createElementNS(NS, 'svg:rect'); - cliprect.setAttributeNS(null, 'x', '0'); - cliprect.setAttributeNS(null, 'y', '0'); - cliprect.setAttributeNS(null, 'width', pf(width)); - cliprect.setAttributeNS(null, 'height', pf(height)); - this.current.element = cliprect; - this.clip('nonzero'); - var imgEl = document.createElementNS(NS, 'svg:image'); - imgEl.setAttributeNS(XLINK_NS, 'xlink:href', imgSrc); - imgEl.setAttributeNS(null, 'x', '0'); - imgEl.setAttributeNS(null, 'y', pf(-height)); - imgEl.setAttributeNS(null, 'width', pf(width) + 'px'); - imgEl.setAttributeNS(null, 'height', pf(height) + 'px'); - imgEl.setAttributeNS(null, 'transform', 'scale(' + pf(1 / width) + ' ' + pf(-1 / height) + ')'); - if (mask) { - mask.appendChild(imgEl); - } else { - this._ensureTransformGroup().appendChild(imgEl); + if (this._closeRequested === true) { + throw new TypeError('The stream has already been closed; do not close it again!'); } - }, - paintImageMaskXObject: function SVGGraphics_paintImageMaskXObject(imgData) { - var current = this.current; - var width = imgData.width; - var height = imgData.height; - var fillColor = current.fillColor; - current.maskId = 'mask' + maskCount++; - var mask = document.createElementNS(NS, 'svg:mask'); - mask.setAttributeNS(null, 'id', current.maskId); - var rect = document.createElementNS(NS, 'svg:rect'); - rect.setAttributeNS(null, 'x', '0'); - rect.setAttributeNS(null, 'y', '0'); - rect.setAttributeNS(null, 'width', pf(width)); - rect.setAttributeNS(null, 'height', pf(height)); - rect.setAttributeNS(null, 'fill', fillColor); - rect.setAttributeNS(null, 'mask', 'url(#' + current.maskId + ')'); - this.defs.appendChild(mask); - this._ensureTransformGroup().appendChild(rect); - this.paintInlineImageXObject(imgData, mask); - }, - paintFormXObjectBegin: function SVGGraphics_paintFormXObjectBegin(matrix, bbox) { - if ((0, _util.isArray)(matrix) && matrix.length === 6) { - this.transform(matrix[0], matrix[1], matrix[2], matrix[3], matrix[4], matrix[5]); + var state = this._controlledReadableStream._state; + if (state !== 'readable') { + throw new TypeError('The stream (in ' + state + ' state) is not in the readable state and cannot be closed'); + } + ReadableByteStreamControllerClose(this); + } + }, { + key: 'enqueue', + value: function enqueue(chunk) { + if (IsReadableByteStreamController(this) === false) { + throw byteStreamControllerBrandCheckException('enqueue'); + } + if (this._closeRequested === true) { + throw new TypeError('stream is closed or draining'); + } + var state = this._controlledReadableStream._state; + if (state !== 'readable') { + throw new TypeError('The stream (in ' + state + ' state) is not in the readable state and cannot be enqueued to'); + } + if (!ArrayBuffer.isView(chunk)) { + throw new TypeError('You can only enqueue array buffer views when using a ReadableByteStreamController'); + } + ReadableByteStreamControllerEnqueue(this, chunk); + } + }, { + key: 'error', + value: function error(e) { + if (IsReadableByteStreamController(this) === false) { + throw byteStreamControllerBrandCheckException('error'); } - if ((0, _util.isArray)(bbox) && bbox.length === 4) { - var width = bbox[2] - bbox[0]; - var height = bbox[3] - bbox[1]; - var cliprect = document.createElementNS(NS, 'svg:rect'); - cliprect.setAttributeNS(null, 'x', bbox[0]); - cliprect.setAttributeNS(null, 'y', bbox[1]); - cliprect.setAttributeNS(null, 'width', pf(width)); - cliprect.setAttributeNS(null, 'height', pf(height)); - this.current.element = cliprect; - this.clip('nonzero'); - this.endPath(); + var stream = this._controlledReadableStream; + if (stream._state !== 'readable') { + throw new TypeError('The stream is ' + stream._state + ' and so cannot be errored'); } - }, - paintFormXObjectEnd: function SVGGraphics_paintFormXObjectEnd() {}, - _initialize: function SVGGraphics_initialize(viewport) { - var svg = document.createElementNS(NS, 'svg:svg'); - svg.setAttributeNS(null, 'version', '1.1'); - svg.setAttributeNS(null, 'width', viewport.width + 'px'); - svg.setAttributeNS(null, 'height', viewport.height + 'px'); - svg.setAttributeNS(null, 'preserveAspectRatio', 'none'); - svg.setAttributeNS(null, 'viewBox', '0 0 ' + viewport.width + ' ' + viewport.height); - var definitions = document.createElementNS(NS, 'svg:defs'); - svg.appendChild(definitions); - this.defs = definitions; - var rootGroup = document.createElementNS(NS, 'svg:g'); - rootGroup.setAttributeNS(null, 'transform', pm(viewport.transform)); - svg.appendChild(rootGroup); - this.svg = rootGroup; - return svg; - }, - _ensureClipGroup: function SVGGraphics_ensureClipGroup() { - if (!this.current.clipGroup) { - var clipGroup = document.createElementNS(NS, 'svg:g'); - clipGroup.setAttributeNS(null, 'clip-path', this.current.activeClipUrl); - this.svg.appendChild(clipGroup); - this.current.clipGroup = clipGroup; + ReadableByteStreamControllerError(this, e); + } + }, { + key: '__cancelSteps', + value: function __cancelSteps(reason) { + if (this._pendingPullIntos.length > 0) { + var firstDescriptor = this._pendingPullIntos[0]; + firstDescriptor.bytesFilled = 0; } - return this.current.clipGroup; - }, - _ensureTransformGroup: function SVGGraphics_ensureTransformGroup() { - if (!this.tgrp) { - this.tgrp = document.createElementNS(NS, 'svg:g'); - this.tgrp.setAttributeNS(null, 'transform', pm(this.transformMatrix)); - if (this.current.activeClipUrl) { - this._ensureClipGroup().appendChild(this.tgrp); - } else { - this.svg.appendChild(this.tgrp); + ResetQueue(this); + return PromiseInvokeOrNoop(this._underlyingByteSource, 'cancel', [reason]); + } + }, { + key: '__pullSteps', + value: function __pullSteps() { + var stream = this._controlledReadableStream; + assert(ReadableStreamHasDefaultReader(stream) === true); + if (this._queueTotalSize > 0) { + assert(ReadableStreamGetNumReadRequests(stream) === 0); + var entry = this._queue.shift(); + this._queueTotalSize -= entry.byteLength; + ReadableByteStreamControllerHandleQueueDrain(this); + var view = void 0; + try { + view = new Uint8Array(entry.buffer, entry.byteOffset, entry.byteLength); + } catch (viewE) { + return Promise.reject(viewE); + } + return Promise.resolve(CreateIterResultObject(view, false)); + } + var autoAllocateChunkSize = this._autoAllocateChunkSize; + if (autoAllocateChunkSize !== undefined) { + var buffer = void 0; + try { + buffer = new ArrayBuffer(autoAllocateChunkSize); + } catch (bufferE) { + return Promise.reject(bufferE); } + var pullIntoDescriptor = { + buffer: buffer, + byteOffset: 0, + byteLength: autoAllocateChunkSize, + bytesFilled: 0, + elementSize: 1, + ctor: Uint8Array, + readerType: 'default' + }; + this._pendingPullIntos.push(pullIntoDescriptor); } - return this.tgrp; + var promise = ReadableStreamAddReadRequest(stream); + ReadableByteStreamControllerCallPullIfNeeded(this); + return promise; + } + }, { + key: 'byobRequest', + get: function get() { + if (IsReadableByteStreamController(this) === false) { + throw byteStreamControllerBrandCheckException('byobRequest'); + } + if (this._byobRequest === undefined && this._pendingPullIntos.length > 0) { + var firstDescriptor = this._pendingPullIntos[0]; + var view = new Uint8Array(firstDescriptor.buffer, firstDescriptor.byteOffset + firstDescriptor.bytesFilled, firstDescriptor.byteLength - firstDescriptor.bytesFilled); + this._byobRequest = new ReadableStreamBYOBRequest(this, view); + } + return this._byobRequest; + } + }, { + key: 'desiredSize', + get: function get() { + if (IsReadableByteStreamController(this) === false) { + throw byteStreamControllerBrandCheckException('desiredSize'); + } + return ReadableByteStreamControllerGetDesiredSize(this); + } + }]); + return ReadableByteStreamController; + }(); + function IsReadableByteStreamController(x) { + if (!typeIsObject(x)) { + return false; + } + if (!Object.prototype.hasOwnProperty.call(x, '_underlyingByteSource')) { + return false; + } + return true; + } + function IsReadableStreamBYOBRequest(x) { + if (!typeIsObject(x)) { + return false; + } + if (!Object.prototype.hasOwnProperty.call(x, '_associatedReadableByteStreamController')) { + return false; + } + return true; + } + function ReadableByteStreamControllerCallPullIfNeeded(controller) { + var shouldPull = ReadableByteStreamControllerShouldCallPull(controller); + if (shouldPull === false) { + return undefined; + } + if (controller._pulling === true) { + controller._pullAgain = true; + return undefined; + } + assert(controller._pullAgain === false); + controller._pulling = true; + var pullPromise = PromiseInvokeOrNoop(controller._underlyingByteSource, 'pull', [controller]); + pullPromise.then(function () { + controller._pulling = false; + if (controller._pullAgain === true) { + controller._pullAgain = false; + ReadableByteStreamControllerCallPullIfNeeded(controller); + } + }, function (e) { + if (controller._controlledReadableStream._state === 'readable') { + ReadableByteStreamControllerError(controller, e); + } + }).catch(rethrowAssertionErrorRejection); + return undefined; + } + function ReadableByteStreamControllerClearPendingPullIntos(controller) { + ReadableByteStreamControllerInvalidateBYOBRequest(controller); + controller._pendingPullIntos = []; + } + function ReadableByteStreamControllerCommitPullIntoDescriptor(stream, pullIntoDescriptor) { + assert(stream._state !== 'errored', 'state must not be errored'); + var done = false; + if (stream._state === 'closed') { + assert(pullIntoDescriptor.bytesFilled === 0); + done = true; + } + var filledView = ReadableByteStreamControllerConvertPullIntoDescriptor(pullIntoDescriptor); + if (pullIntoDescriptor.readerType === 'default') { + ReadableStreamFulfillReadRequest(stream, filledView, done); + } else { + assert(pullIntoDescriptor.readerType === 'byob'); + ReadableStreamFulfillReadIntoRequest(stream, filledView, done); + } + } + function ReadableByteStreamControllerConvertPullIntoDescriptor(pullIntoDescriptor) { + var bytesFilled = pullIntoDescriptor.bytesFilled; + var elementSize = pullIntoDescriptor.elementSize; + assert(bytesFilled <= pullIntoDescriptor.byteLength); + assert(bytesFilled % elementSize === 0); + return new pullIntoDescriptor.ctor(pullIntoDescriptor.buffer, pullIntoDescriptor.byteOffset, bytesFilled / elementSize); + } + function ReadableByteStreamControllerEnqueueChunkToQueue(controller, buffer, byteOffset, byteLength) { + controller._queue.push({ + buffer: buffer, + byteOffset: byteOffset, + byteLength: byteLength + }); + controller._queueTotalSize += byteLength; + } + function ReadableByteStreamControllerFillPullIntoDescriptorFromQueue(controller, pullIntoDescriptor) { + var elementSize = pullIntoDescriptor.elementSize; + var currentAlignedBytes = pullIntoDescriptor.bytesFilled - pullIntoDescriptor.bytesFilled % elementSize; + var maxBytesToCopy = Math.min(controller._queueTotalSize, pullIntoDescriptor.byteLength - pullIntoDescriptor.bytesFilled); + var maxBytesFilled = pullIntoDescriptor.bytesFilled + maxBytesToCopy; + var maxAlignedBytes = maxBytesFilled - maxBytesFilled % elementSize; + var totalBytesToCopyRemaining = maxBytesToCopy; + var ready = false; + if (maxAlignedBytes > currentAlignedBytes) { + totalBytesToCopyRemaining = maxAlignedBytes - pullIntoDescriptor.bytesFilled; + ready = true; + } + var queue = controller._queue; + while (totalBytesToCopyRemaining > 0) { + var headOfQueue = queue[0]; + var bytesToCopy = Math.min(totalBytesToCopyRemaining, headOfQueue.byteLength); + var destStart = pullIntoDescriptor.byteOffset + pullIntoDescriptor.bytesFilled; + ArrayBufferCopy(pullIntoDescriptor.buffer, destStart, headOfQueue.buffer, headOfQueue.byteOffset, bytesToCopy); + if (headOfQueue.byteLength === bytesToCopy) { + queue.shift(); + } else { + headOfQueue.byteOffset += bytesToCopy; + headOfQueue.byteLength -= bytesToCopy; + } + controller._queueTotalSize -= bytesToCopy; + ReadableByteStreamControllerFillHeadPullIntoDescriptor(controller, bytesToCopy, pullIntoDescriptor); + totalBytesToCopyRemaining -= bytesToCopy; + } + if (ready === false) { + assert(controller._queueTotalSize === 0, 'queue must be empty'); + assert(pullIntoDescriptor.bytesFilled > 0); + assert(pullIntoDescriptor.bytesFilled < pullIntoDescriptor.elementSize); + } + return ready; + } + function ReadableByteStreamControllerFillHeadPullIntoDescriptor(controller, size, pullIntoDescriptor) { + assert(controller._pendingPullIntos.length === 0 || controller._pendingPullIntos[0] === pullIntoDescriptor); + ReadableByteStreamControllerInvalidateBYOBRequest(controller); + pullIntoDescriptor.bytesFilled += size; + } + function ReadableByteStreamControllerHandleQueueDrain(controller) { + assert(controller._controlledReadableStream._state === 'readable'); + if (controller._queueTotalSize === 0 && controller._closeRequested === true) { + ReadableStreamClose(controller._controlledReadableStream); + } else { + ReadableByteStreamControllerCallPullIfNeeded(controller); + } + } + function ReadableByteStreamControllerInvalidateBYOBRequest(controller) { + if (controller._byobRequest === undefined) { + return; + } + controller._byobRequest._associatedReadableByteStreamController = undefined; + controller._byobRequest._view = undefined; + controller._byobRequest = undefined; + } + function ReadableByteStreamControllerProcessPullIntoDescriptorsUsingQueue(controller) { + assert(controller._closeRequested === false); + while (controller._pendingPullIntos.length > 0) { + if (controller._queueTotalSize === 0) { + return; + } + var pullIntoDescriptor = controller._pendingPullIntos[0]; + if (ReadableByteStreamControllerFillPullIntoDescriptorFromQueue(controller, pullIntoDescriptor) === true) { + ReadableByteStreamControllerShiftPendingPullInto(controller); + ReadableByteStreamControllerCommitPullIntoDescriptor(controller._controlledReadableStream, pullIntoDescriptor); + } + } + } + function ReadableByteStreamControllerPullInto(controller, view) { + var stream = controller._controlledReadableStream; + var elementSize = 1; + if (view.constructor !== DataView) { + elementSize = view.constructor.BYTES_PER_ELEMENT; + } + var ctor = view.constructor; + var pullIntoDescriptor = { + buffer: view.buffer, + byteOffset: view.byteOffset, + byteLength: view.byteLength, + bytesFilled: 0, + elementSize: elementSize, + ctor: ctor, + readerType: 'byob' + }; + if (controller._pendingPullIntos.length > 0) { + pullIntoDescriptor.buffer = TransferArrayBuffer(pullIntoDescriptor.buffer); + controller._pendingPullIntos.push(pullIntoDescriptor); + return ReadableStreamAddReadIntoRequest(stream); + } + if (stream._state === 'closed') { + var emptyView = new view.constructor(pullIntoDescriptor.buffer, pullIntoDescriptor.byteOffset, 0); + return Promise.resolve(CreateIterResultObject(emptyView, true)); + } + if (controller._queueTotalSize > 0) { + if (ReadableByteStreamControllerFillPullIntoDescriptorFromQueue(controller, pullIntoDescriptor) === true) { + var filledView = ReadableByteStreamControllerConvertPullIntoDescriptor(pullIntoDescriptor); + ReadableByteStreamControllerHandleQueueDrain(controller); + return Promise.resolve(CreateIterResultObject(filledView, false)); + } + if (controller._closeRequested === true) { + var e = new TypeError('Insufficient bytes to fill elements in the given buffer'); + ReadableByteStreamControllerError(controller, e); + return Promise.reject(e); + } + } + pullIntoDescriptor.buffer = TransferArrayBuffer(pullIntoDescriptor.buffer); + controller._pendingPullIntos.push(pullIntoDescriptor); + var promise = ReadableStreamAddReadIntoRequest(stream); + ReadableByteStreamControllerCallPullIfNeeded(controller); + return promise; + } + function ReadableByteStreamControllerRespondInClosedState(controller, firstDescriptor) { + firstDescriptor.buffer = TransferArrayBuffer(firstDescriptor.buffer); + assert(firstDescriptor.bytesFilled === 0, 'bytesFilled must be 0'); + var stream = controller._controlledReadableStream; + if (ReadableStreamHasBYOBReader(stream) === true) { + while (ReadableStreamGetNumReadIntoRequests(stream) > 0) { + var pullIntoDescriptor = ReadableByteStreamControllerShiftPendingPullInto(controller); + ReadableByteStreamControllerCommitPullIntoDescriptor(stream, pullIntoDescriptor); + } + } + } + function ReadableByteStreamControllerRespondInReadableState(controller, bytesWritten, pullIntoDescriptor) { + if (pullIntoDescriptor.bytesFilled + bytesWritten > pullIntoDescriptor.byteLength) { + throw new RangeError('bytesWritten out of range'); + } + ReadableByteStreamControllerFillHeadPullIntoDescriptor(controller, bytesWritten, pullIntoDescriptor); + if (pullIntoDescriptor.bytesFilled < pullIntoDescriptor.elementSize) { + return; + } + ReadableByteStreamControllerShiftPendingPullInto(controller); + var remainderSize = pullIntoDescriptor.bytesFilled % pullIntoDescriptor.elementSize; + if (remainderSize > 0) { + var end = pullIntoDescriptor.byteOffset + pullIntoDescriptor.bytesFilled; + var remainder = pullIntoDescriptor.buffer.slice(end - remainderSize, end); + ReadableByteStreamControllerEnqueueChunkToQueue(controller, remainder, 0, remainder.byteLength); + } + pullIntoDescriptor.buffer = TransferArrayBuffer(pullIntoDescriptor.buffer); + pullIntoDescriptor.bytesFilled -= remainderSize; + ReadableByteStreamControllerCommitPullIntoDescriptor(controller._controlledReadableStream, pullIntoDescriptor); + ReadableByteStreamControllerProcessPullIntoDescriptorsUsingQueue(controller); + } + function ReadableByteStreamControllerRespondInternal(controller, bytesWritten) { + var firstDescriptor = controller._pendingPullIntos[0]; + var stream = controller._controlledReadableStream; + if (stream._state === 'closed') { + if (bytesWritten !== 0) { + throw new TypeError('bytesWritten must be 0 when calling respond() on a closed stream'); + } + ReadableByteStreamControllerRespondInClosedState(controller, firstDescriptor); + } else { + assert(stream._state === 'readable'); + ReadableByteStreamControllerRespondInReadableState(controller, bytesWritten, firstDescriptor); + } + } + function ReadableByteStreamControllerShiftPendingPullInto(controller) { + var descriptor = controller._pendingPullIntos.shift(); + ReadableByteStreamControllerInvalidateBYOBRequest(controller); + return descriptor; + } + function ReadableByteStreamControllerShouldCallPull(controller) { + var stream = controller._controlledReadableStream; + if (stream._state !== 'readable') { + return false; + } + if (controller._closeRequested === true) { + return false; + } + if (controller._started === false) { + return false; + } + if (ReadableStreamHasDefaultReader(stream) === true && ReadableStreamGetNumReadRequests(stream) > 0) { + return true; + } + if (ReadableStreamHasBYOBReader(stream) === true && ReadableStreamGetNumReadIntoRequests(stream) > 0) { + return true; + } + if (ReadableByteStreamControllerGetDesiredSize(controller) > 0) { + return true; + } + return false; + } + function ReadableByteStreamControllerClose(controller) { + var stream = controller._controlledReadableStream; + assert(controller._closeRequested === false); + assert(stream._state === 'readable'); + if (controller._queueTotalSize > 0) { + controller._closeRequested = true; + return; + } + if (controller._pendingPullIntos.length > 0) { + var firstPendingPullInto = controller._pendingPullIntos[0]; + if (firstPendingPullInto.bytesFilled > 0) { + var e = new TypeError('Insufficient bytes to fill elements in the given buffer'); + ReadableByteStreamControllerError(controller, e); + throw e; + } + } + ReadableStreamClose(stream); + } + function ReadableByteStreamControllerEnqueue(controller, chunk) { + var stream = controller._controlledReadableStream; + assert(controller._closeRequested === false); + assert(stream._state === 'readable'); + var buffer = chunk.buffer; + var byteOffset = chunk.byteOffset; + var byteLength = chunk.byteLength; + var transferredBuffer = TransferArrayBuffer(buffer); + if (ReadableStreamHasDefaultReader(stream) === true) { + if (ReadableStreamGetNumReadRequests(stream) === 0) { + ReadableByteStreamControllerEnqueueChunkToQueue(controller, transferredBuffer, byteOffset, byteLength); + } else { + assert(controller._queue.length === 0); + var transferredView = new Uint8Array(transferredBuffer, byteOffset, byteLength); + ReadableStreamFulfillReadRequest(stream, transferredView, false); + } + } else if (ReadableStreamHasBYOBReader(stream) === true) { + ReadableByteStreamControllerEnqueueChunkToQueue(controller, transferredBuffer, byteOffset, byteLength); + ReadableByteStreamControllerProcessPullIntoDescriptorsUsingQueue(controller); + } else { + assert(IsReadableStreamLocked(stream) === false, 'stream must not be locked'); + ReadableByteStreamControllerEnqueueChunkToQueue(controller, transferredBuffer, byteOffset, byteLength); + } + } + function ReadableByteStreamControllerError(controller, e) { + var stream = controller._controlledReadableStream; + assert(stream._state === 'readable'); + ReadableByteStreamControllerClearPendingPullIntos(controller); + ResetQueue(controller); + ReadableStreamError(stream, e); + } + function ReadableByteStreamControllerGetDesiredSize(controller) { + var stream = controller._controlledReadableStream; + var state = stream._state; + if (state === 'errored') { + return null; + } + if (state === 'closed') { + return 0; + } + return controller._strategyHWM - controller._queueTotalSize; + } + function ReadableByteStreamControllerRespond(controller, bytesWritten) { + bytesWritten = Number(bytesWritten); + if (IsFiniteNonNegativeNumber(bytesWritten) === false) { + throw new RangeError('bytesWritten must be a finite'); + } + assert(controller._pendingPullIntos.length > 0); + ReadableByteStreamControllerRespondInternal(controller, bytesWritten); + } + function ReadableByteStreamControllerRespondWithNewView(controller, view) { + assert(controller._pendingPullIntos.length > 0); + var firstDescriptor = controller._pendingPullIntos[0]; + if (firstDescriptor.byteOffset + firstDescriptor.bytesFilled !== view.byteOffset) { + throw new RangeError('The region specified by view does not match byobRequest'); + } + if (firstDescriptor.byteLength !== view.byteLength) { + throw new RangeError('The buffer of view has different capacity than byobRequest'); + } + firstDescriptor.buffer = view.buffer; + ReadableByteStreamControllerRespondInternal(controller, view.byteLength); + } + function streamBrandCheckException(name) { + return new TypeError('ReadableStream.prototype.' + name + ' can only be used on a ReadableStream'); + } + function readerLockException(name) { + return new TypeError('Cannot ' + name + ' a stream using a released reader'); + } + function defaultReaderBrandCheckException(name) { + return new TypeError('ReadableStreamDefaultReader.prototype.' + name + ' can only be used on a ReadableStreamDefaultReader'); + } + function defaultReaderClosedPromiseInitialize(reader) { + reader._closedPromise = new Promise(function (resolve, reject) { + reader._closedPromise_resolve = resolve; + reader._closedPromise_reject = reject; + }); + } + function defaultReaderClosedPromiseInitializeAsRejected(reader, reason) { + reader._closedPromise = Promise.reject(reason); + reader._closedPromise_resolve = undefined; + reader._closedPromise_reject = undefined; + } + function defaultReaderClosedPromiseInitializeAsResolved(reader) { + reader._closedPromise = Promise.resolve(undefined); + reader._closedPromise_resolve = undefined; + reader._closedPromise_reject = undefined; + } + function defaultReaderClosedPromiseReject(reader, reason) { + assert(reader._closedPromise_resolve !== undefined); + assert(reader._closedPromise_reject !== undefined); + reader._closedPromise_reject(reason); + reader._closedPromise_resolve = undefined; + reader._closedPromise_reject = undefined; + } + function defaultReaderClosedPromiseResetToRejected(reader, reason) { + assert(reader._closedPromise_resolve === undefined); + assert(reader._closedPromise_reject === undefined); + reader._closedPromise = Promise.reject(reason); + } + function defaultReaderClosedPromiseResolve(reader) { + assert(reader._closedPromise_resolve !== undefined); + assert(reader._closedPromise_reject !== undefined); + reader._closedPromise_resolve(undefined); + reader._closedPromise_resolve = undefined; + reader._closedPromise_reject = undefined; + } + function byobReaderBrandCheckException(name) { + return new TypeError('ReadableStreamBYOBReader.prototype.' + name + ' can only be used on a ReadableStreamBYOBReader'); + } + function defaultControllerBrandCheckException(name) { + return new TypeError('ReadableStreamDefaultController.prototype.' + name + ' can only be used on a ReadableStreamDefaultController'); + } + function byobRequestBrandCheckException(name) { + return new TypeError('ReadableStreamBYOBRequest.prototype.' + name + ' can only be used on a ReadableStreamBYOBRequest'); + } + function byteStreamControllerBrandCheckException(name) { + return new TypeError('ReadableByteStreamController.prototype.' + name + ' can only be used on a ReadableByteStreamController'); + } + function ifIsObjectAndHasAPromiseIsHandledInternalSlotSetPromiseIsHandledToTrue(promise) { + try { + Promise.prototype.then.call(promise, undefined, function () {}); + } catch (e) {} + } +}, function (module, exports, __w_pdfjs_require__) { + "use strict"; + + var transformStream = __w_pdfjs_require__(6); + var readableStream = __w_pdfjs_require__(4); + var writableStream = __w_pdfjs_require__(2); + exports.TransformStream = transformStream.TransformStream; + exports.ReadableStream = readableStream.ReadableStream; + exports.IsReadableStreamDisturbed = readableStream.IsReadableStreamDisturbed; + exports.ReadableStreamDefaultControllerClose = readableStream.ReadableStreamDefaultControllerClose; + exports.ReadableStreamDefaultControllerEnqueue = readableStream.ReadableStreamDefaultControllerEnqueue; + exports.ReadableStreamDefaultControllerError = readableStream.ReadableStreamDefaultControllerError; + exports.ReadableStreamDefaultControllerGetDesiredSize = readableStream.ReadableStreamDefaultControllerGetDesiredSize; + exports.AcquireWritableStreamDefaultWriter = writableStream.AcquireWritableStreamDefaultWriter; + exports.IsWritableStream = writableStream.IsWritableStream; + exports.IsWritableStreamLocked = writableStream.IsWritableStreamLocked; + exports.WritableStream = writableStream.WritableStream; + exports.WritableStreamAbort = writableStream.WritableStreamAbort; + exports.WritableStreamDefaultControllerError = writableStream.WritableStreamDefaultControllerError; + exports.WritableStreamDefaultWriterCloseWithErrorPropagation = writableStream.WritableStreamDefaultWriterCloseWithErrorPropagation; + exports.WritableStreamDefaultWriterRelease = writableStream.WritableStreamDefaultWriterRelease; + exports.WritableStreamDefaultWriterWrite = writableStream.WritableStreamDefaultWriterWrite; +}, function (module, exports, __w_pdfjs_require__) { + "use strict"; + + var _createClass = function () { + function defineProperties(target, props) { + for (var i = 0; i < props.length; i++) { + var descriptor = props[i]; + descriptor.enumerable = descriptor.enumerable || false; + descriptor.configurable = true; + if ("value" in descriptor) descriptor.writable = true; + Object.defineProperty(target, descriptor.key, descriptor); } + } + return function (Constructor, protoProps, staticProps) { + if (protoProps) defineProperties(Constructor.prototype, protoProps); + if (staticProps) defineProperties(Constructor, staticProps); + return Constructor; }; - return SVGGraphics; }(); -} -exports.SVGGraphics = SVGGraphics; - -/***/ }), -/* 5 */ -/***/ (function(module, exports, __w_pdfjs_require__) { - -"use strict"; - - -Object.defineProperty(exports, "__esModule", { - value: true -}); -exports.renderTextLayer = undefined; - -var _util = __w_pdfjs_require__(0); - -var _dom_utils = __w_pdfjs_require__(1); - -var renderTextLayer = function renderTextLayerClosure() { - var MAX_TEXT_DIVS_TO_RENDER = 100000; - var NonWhitespaceRegexp = /\S/; - function isAllWhitespace(str) { - return !NonWhitespaceRegexp.test(str); + function _classCallCheck(instance, Constructor) { + if (!(instance instanceof Constructor)) { + throw new TypeError("Cannot call a class as a function"); + } } - var styleBuf = ['left: ', 0, 'px; top: ', 0, 'px; font-size: ', 0, 'px; font-family: ', '', ';']; - function appendText(task, geom, styles) { - var textDiv = document.createElement('div'); - var textDivProperties = { - style: null, - angle: 0, - canvasWidth: 0, - isWhitespace: false, - originalTransform: null, - paddingBottom: 0, - paddingLeft: 0, - paddingRight: 0, - paddingTop: 0, - scale: 1 - }; - task._textDivs.push(textDiv); - if (isAllWhitespace(geom.str)) { - textDivProperties.isWhitespace = true; - task._textDivProperties.set(textDiv, textDivProperties); - return; + var _require = __w_pdfjs_require__(1), + assert = _require.assert; + var _require2 = __w_pdfjs_require__(0), + InvokeOrNoop = _require2.InvokeOrNoop, + PromiseInvokeOrPerformFallback = _require2.PromiseInvokeOrPerformFallback, + PromiseInvokeOrNoop = _require2.PromiseInvokeOrNoop, + typeIsObject = _require2.typeIsObject; + var _require3 = __w_pdfjs_require__(4), + ReadableStream = _require3.ReadableStream, + ReadableStreamDefaultControllerClose = _require3.ReadableStreamDefaultControllerClose, + ReadableStreamDefaultControllerEnqueue = _require3.ReadableStreamDefaultControllerEnqueue, + ReadableStreamDefaultControllerError = _require3.ReadableStreamDefaultControllerError, + ReadableStreamDefaultControllerGetDesiredSize = _require3.ReadableStreamDefaultControllerGetDesiredSize; + var _require4 = __w_pdfjs_require__(2), + WritableStream = _require4.WritableStream, + WritableStreamDefaultControllerError = _require4.WritableStreamDefaultControllerError; + function TransformStreamCloseReadable(transformStream) { + if (transformStream._errored === true) { + throw new TypeError('TransformStream is already errored'); } - var tx = _util.Util.transform(task._viewport.transform, geom.transform); - var angle = Math.atan2(tx[1], tx[0]); - var style = styles[geom.fontName]; - if (style.vertical) { - angle += Math.PI / 2; + if (transformStream._readableClosed === true) { + throw new TypeError('Readable side is already closed'); } - var fontHeight = Math.sqrt(tx[2] * tx[2] + tx[3] * tx[3]); - var fontAscent = fontHeight; - if (style.ascent) { - fontAscent = style.ascent * fontAscent; - } else if (style.descent) { - fontAscent = (1 + style.descent) * fontAscent; + TransformStreamCloseReadableInternal(transformStream); + } + function TransformStreamEnqueueToReadable(transformStream, chunk) { + if (transformStream._errored === true) { + throw new TypeError('TransformStream is already errored'); } - var left; - var top; - if (angle === 0) { - left = tx[4]; - top = tx[5] - fontAscent; - } else { - left = tx[4] + fontAscent * Math.sin(angle); - top = tx[5] - fontAscent * Math.cos(angle); + if (transformStream._readableClosed === true) { + throw new TypeError('Readable side is already closed'); } - styleBuf[1] = left; - styleBuf[3] = top; - styleBuf[5] = fontHeight; - styleBuf[7] = style.fontFamily; - textDivProperties.style = styleBuf.join(''); - textDiv.setAttribute('style', textDivProperties.style); - textDiv.textContent = geom.str; - if ((0, _dom_utils.getDefaultSetting)('pdfBug')) { - textDiv.dataset.fontName = geom.fontName; + var controller = transformStream._readableController; + try { + ReadableStreamDefaultControllerEnqueue(controller, chunk); + } catch (e) { + transformStream._readableClosed = true; + TransformStreamErrorIfNeeded(transformStream, e); + throw transformStream._storedError; } - if (angle !== 0) { - textDivProperties.angle = angle * (180 / Math.PI); + var desiredSize = ReadableStreamDefaultControllerGetDesiredSize(controller); + var maybeBackpressure = desiredSize <= 0; + if (maybeBackpressure === true && transformStream._backpressure === false) { + TransformStreamSetBackpressure(transformStream, true); } - if (geom.str.length > 1) { - if (style.vertical) { - textDivProperties.canvasWidth = geom.height * task._viewport.scale; - } else { - textDivProperties.canvasWidth = geom.width * task._viewport.scale; - } + } + function TransformStreamError(transformStream, e) { + if (transformStream._errored === true) { + throw new TypeError('TransformStream is already errored'); } - task._textDivProperties.set(textDiv, textDivProperties); - if (task._textContentStream) { - task._layoutText(textDiv); + TransformStreamErrorInternal(transformStream, e); + } + function TransformStreamCloseReadableInternal(transformStream) { + assert(transformStream._errored === false); + assert(transformStream._readableClosed === false); + try { + ReadableStreamDefaultControllerClose(transformStream._readableController); + } catch (e) { + assert(false); } - if (task._enhanceTextSelection) { - var angleCos = 1, - angleSin = 0; - if (angle !== 0) { - angleCos = Math.cos(angle); - angleSin = Math.sin(angle); - } - var divWidth = (style.vertical ? geom.height : geom.width) * task._viewport.scale; - var divHeight = fontHeight; - var m, b; - if (angle !== 0) { - m = [angleCos, angleSin, -angleSin, angleCos, left, top]; - b = _util.Util.getAxialAlignedBoundingBox([0, 0, divWidth, divHeight], m); - } else { - b = [left, top, left + divWidth, top + divHeight]; - } - task._bounds.push({ - left: b[0], - top: b[1], - right: b[2], - bottom: b[3], - div: textDiv, - size: [divWidth, divHeight], - m: m - }); + transformStream._readableClosed = true; + } + function TransformStreamErrorIfNeeded(transformStream, e) { + if (transformStream._errored === false) { + TransformStreamErrorInternal(transformStream, e); + } + } + function TransformStreamErrorInternal(transformStream, e) { + assert(transformStream._errored === false); + transformStream._errored = true; + transformStream._storedError = e; + if (transformStream._writableDone === false) { + WritableStreamDefaultControllerError(transformStream._writableController, e); + } + if (transformStream._readableClosed === false) { + ReadableStreamDefaultControllerError(transformStream._readableController, e); + } + } + function TransformStreamReadableReadyPromise(transformStream) { + assert(transformStream._backpressureChangePromise !== undefined, '_backpressureChangePromise should have been initialized'); + if (transformStream._backpressure === false) { + return Promise.resolve(); + } + assert(transformStream._backpressure === true, '_backpressure should have been initialized'); + return transformStream._backpressureChangePromise; + } + function TransformStreamSetBackpressure(transformStream, backpressure) { + assert(transformStream._backpressure !== backpressure, 'TransformStreamSetBackpressure() should be called only when backpressure is changed'); + if (transformStream._backpressureChangePromise !== undefined) { + transformStream._backpressureChangePromise_resolve(backpressure); } + transformStream._backpressureChangePromise = new Promise(function (resolve) { + transformStream._backpressureChangePromise_resolve = resolve; + }); + transformStream._backpressureChangePromise.then(function (resolution) { + assert(resolution !== backpressure, '_backpressureChangePromise should be fulfilled only when backpressure is changed'); + }); + transformStream._backpressure = backpressure; + } + function TransformStreamDefaultTransform(chunk, transformStreamController) { + var transformStream = transformStreamController._controlledTransformStream; + TransformStreamEnqueueToReadable(transformStream, chunk); + return Promise.resolve(); + } + function TransformStreamTransform(transformStream, chunk) { + assert(transformStream._errored === false); + assert(transformStream._transforming === false); + assert(transformStream._backpressure === false); + transformStream._transforming = true; + var transformer = transformStream._transformer; + var controller = transformStream._transformStreamController; + var transformPromise = PromiseInvokeOrPerformFallback(transformer, 'transform', [chunk, controller], TransformStreamDefaultTransform, [chunk, controller]); + return transformPromise.then(function () { + transformStream._transforming = false; + return TransformStreamReadableReadyPromise(transformStream); + }, function (e) { + TransformStreamErrorIfNeeded(transformStream, e); + return Promise.reject(e); + }); } - function render(task) { - if (task._canceled) { - return; + function IsTransformStreamDefaultController(x) { + if (!typeIsObject(x)) { + return false; } - var textDivs = task._textDivs; - var capability = task._capability; - var textDivsLength = textDivs.length; - if (textDivsLength > MAX_TEXT_DIVS_TO_RENDER) { - task._renderingDone = true; - capability.resolve(); - return; + if (!Object.prototype.hasOwnProperty.call(x, '_controlledTransformStream')) { + return false; } - if (!task._textContentStream) { - for (var i = 0; i < textDivsLength; i++) { - task._layoutText(textDivs[i]); - } + return true; + } + function IsTransformStream(x) { + if (!typeIsObject(x)) { + return false; } - task._renderingDone = true; - capability.resolve(); + if (!Object.prototype.hasOwnProperty.call(x, '_transformStreamController')) { + return false; + } + return true; } - function expand(task) { - var bounds = task._bounds; - var viewport = task._viewport; - var expanded = expandBounds(viewport.width, viewport.height, bounds); - for (var i = 0; i < expanded.length; i++) { - var div = bounds[i].div; - var divProperties = task._textDivProperties.get(div); - if (divProperties.angle === 0) { - divProperties.paddingLeft = bounds[i].left - expanded[i].left; - divProperties.paddingTop = bounds[i].top - expanded[i].top; - divProperties.paddingRight = expanded[i].right - bounds[i].right; - divProperties.paddingBottom = expanded[i].bottom - bounds[i].bottom; - task._textDivProperties.set(div, divProperties); - continue; + var TransformStreamSink = function () { + function TransformStreamSink(transformStream, startPromise) { + _classCallCheck(this, TransformStreamSink); + this._transformStream = transformStream; + this._startPromise = startPromise; + } + _createClass(TransformStreamSink, [{ + key: 'start', + value: function start(c) { + var transformStream = this._transformStream; + transformStream._writableController = c; + return this._startPromise.then(function () { + return TransformStreamReadableReadyPromise(transformStream); + }); } - var e = expanded[i], - b = bounds[i]; - var m = b.m, - c = m[0], - s = m[1]; - var points = [[0, 0], [0, b.size[1]], [b.size[0], 0], b.size]; - var ts = new Float64Array(64); - points.forEach(function (p, i) { - var t = _util.Util.applyTransform(p, m); - ts[i + 0] = c && (e.left - t[0]) / c; - ts[i + 4] = s && (e.top - t[1]) / s; - ts[i + 8] = c && (e.right - t[0]) / c; - ts[i + 12] = s && (e.bottom - t[1]) / s; - ts[i + 16] = s && (e.left - t[0]) / -s; - ts[i + 20] = c && (e.top - t[1]) / c; - ts[i + 24] = s && (e.right - t[0]) / -s; - ts[i + 28] = c && (e.bottom - t[1]) / c; - ts[i + 32] = c && (e.left - t[0]) / -c; - ts[i + 36] = s && (e.top - t[1]) / -s; - ts[i + 40] = c && (e.right - t[0]) / -c; - ts[i + 44] = s && (e.bottom - t[1]) / -s; - ts[i + 48] = s && (e.left - t[0]) / s; - ts[i + 52] = c && (e.top - t[1]) / -c; - ts[i + 56] = s && (e.right - t[0]) / s; - ts[i + 60] = c && (e.bottom - t[1]) / -c; - }); - var findPositiveMin = function findPositiveMin(ts, offset, count) { - var result = 0; - for (var i = 0; i < count; i++) { - var t = ts[offset++]; - if (t > 0) { - result = result ? Math.min(t, result) : t; + }, { + key: 'write', + value: function write(chunk) { + var transformStream = this._transformStream; + return TransformStreamTransform(transformStream, chunk); + } + }, { + key: 'abort', + value: function abort() { + var transformStream = this._transformStream; + transformStream._writableDone = true; + TransformStreamErrorInternal(transformStream, new TypeError('Writable side aborted')); + } + }, { + key: 'close', + value: function close() { + var transformStream = this._transformStream; + assert(transformStream._transforming === false); + transformStream._writableDone = true; + var flushPromise = PromiseInvokeOrNoop(transformStream._transformer, 'flush', [transformStream._transformStreamController]); + return flushPromise.then(function () { + if (transformStream._errored === true) { + return Promise.reject(transformStream._storedError); } - } - return result; - }; - var boxScale = 1 + Math.min(Math.abs(c), Math.abs(s)); - divProperties.paddingLeft = findPositiveMin(ts, 32, 16) / boxScale; - divProperties.paddingTop = findPositiveMin(ts, 48, 16) / boxScale; - divProperties.paddingRight = findPositiveMin(ts, 0, 16) / boxScale; - divProperties.paddingBottom = findPositiveMin(ts, 16, 16) / boxScale; - task._textDivProperties.set(div, divProperties); + if (transformStream._readableClosed === false) { + TransformStreamCloseReadableInternal(transformStream); + } + return Promise.resolve(); + }).catch(function (r) { + TransformStreamErrorIfNeeded(transformStream, r); + return Promise.reject(transformStream._storedError); + }); + } + }]); + return TransformStreamSink; + }(); + var TransformStreamSource = function () { + function TransformStreamSource(transformStream, startPromise) { + _classCallCheck(this, TransformStreamSource); + this._transformStream = transformStream; + this._startPromise = startPromise; } - } - function expandBounds(width, height, boxes) { - var bounds = boxes.map(function (box, i) { - return { - x1: box.left, - y1: box.top, - x2: box.right, - y2: box.bottom, - index: i, - x1New: undefined, - x2New: undefined - }; - }); - expandBoundsLTR(width, bounds); - var expanded = new Array(boxes.length); - bounds.forEach(function (b) { - var i = b.index; - expanded[i] = { - left: b.x1New, - top: 0, - right: b.x2New, - bottom: 0 - }; - }); - boxes.map(function (box, i) { - var e = expanded[i], - b = bounds[i]; - b.x1 = box.top; - b.y1 = width - e.right; - b.x2 = box.bottom; - b.y2 = width - e.left; - b.index = i; - b.x1New = undefined; - b.x2New = undefined; - }); - expandBoundsLTR(height, bounds); - bounds.forEach(function (b) { - var i = b.index; - expanded[i].top = b.x1New; - expanded[i].bottom = b.x2New; - }); - return expanded; - } - function expandBoundsLTR(width, bounds) { - bounds.sort(function (a, b) { - return a.x1 - b.x1 || a.index - b.index; - }); - var fakeBoundary = { - x1: -Infinity, - y1: -Infinity, - x2: 0, - y2: Infinity, - index: -1, - x1New: 0, - x2New: 0 - }; - var horizon = [{ - start: -Infinity, - end: Infinity, - boundary: fakeBoundary - }]; - bounds.forEach(function (boundary) { - var i = 0; - while (i < horizon.length && horizon[i].end <= boundary.y1) { - i++; + _createClass(TransformStreamSource, [{ + key: 'start', + value: function start(c) { + var transformStream = this._transformStream; + transformStream._readableController = c; + return this._startPromise.then(function () { + assert(transformStream._backpressureChangePromise !== undefined, '_backpressureChangePromise should have been initialized'); + if (transformStream._backpressure === true) { + return Promise.resolve(); + } + assert(transformStream._backpressure === false, '_backpressure should have been initialized'); + return transformStream._backpressureChangePromise; + }); + } + }, { + key: 'pull', + value: function pull() { + var transformStream = this._transformStream; + assert(transformStream._backpressure === true, 'pull() should be never called while _backpressure is false'); + assert(transformStream._backpressureChangePromise !== undefined, '_backpressureChangePromise should have been initialized'); + TransformStreamSetBackpressure(transformStream, false); + return transformStream._backpressureChangePromise; + } + }, { + key: 'cancel', + value: function cancel() { + var transformStream = this._transformStream; + transformStream._readableClosed = true; + TransformStreamErrorInternal(transformStream, new TypeError('Readable side canceled')); + } + }]); + return TransformStreamSource; + }(); + var TransformStreamDefaultController = function () { + function TransformStreamDefaultController(transformStream) { + _classCallCheck(this, TransformStreamDefaultController); + if (IsTransformStream(transformStream) === false) { + throw new TypeError('TransformStreamDefaultController can only be ' + 'constructed with a TransformStream instance'); + } + if (transformStream._transformStreamController !== undefined) { + throw new TypeError('TransformStreamDefaultController instances can ' + 'only be created by the TransformStream constructor'); + } + this._controlledTransformStream = transformStream; + } + _createClass(TransformStreamDefaultController, [{ + key: 'enqueue', + value: function enqueue(chunk) { + if (IsTransformStreamDefaultController(this) === false) { + throw defaultControllerBrandCheckException('enqueue'); + } + TransformStreamEnqueueToReadable(this._controlledTransformStream, chunk); } - var j = horizon.length - 1; - while (j >= 0 && horizon[j].start >= boundary.y2) { - j--; + }, { + key: 'close', + value: function close() { + if (IsTransformStreamDefaultController(this) === false) { + throw defaultControllerBrandCheckException('close'); + } + TransformStreamCloseReadable(this._controlledTransformStream); } - var horizonPart, affectedBoundary; - var q, - k, - maxXNew = -Infinity; - for (q = i; q <= j; q++) { - horizonPart = horizon[q]; - affectedBoundary = horizonPart.boundary; - var xNew; - if (affectedBoundary.x2 > boundary.x1) { - xNew = affectedBoundary.index > boundary.index ? affectedBoundary.x1New : boundary.x1; - } else if (affectedBoundary.x2New === undefined) { - xNew = (affectedBoundary.x2 + boundary.x1) / 2; - } else { - xNew = affectedBoundary.x2New; + }, { + key: 'error', + value: function error(reason) { + if (IsTransformStreamDefaultController(this) === false) { + throw defaultControllerBrandCheckException('error'); } - if (xNew > maxXNew) { - maxXNew = xNew; + TransformStreamError(this._controlledTransformStream, reason); + } + }, { + key: 'desiredSize', + get: function get() { + if (IsTransformStreamDefaultController(this) === false) { + throw defaultControllerBrandCheckException('desiredSize'); } + var transformStream = this._controlledTransformStream; + var readableController = transformStream._readableController; + return ReadableStreamDefaultControllerGetDesiredSize(readableController); } - boundary.x1New = maxXNew; - for (q = i; q <= j; q++) { - horizonPart = horizon[q]; - affectedBoundary = horizonPart.boundary; - if (affectedBoundary.x2New === undefined) { - if (affectedBoundary.x2 > boundary.x1) { - if (affectedBoundary.index > boundary.index) { - affectedBoundary.x2New = affectedBoundary.x2; + }]); + return TransformStreamDefaultController; + }(); + var TransformStream = function () { + function TransformStream() { + var transformer = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {}; + _classCallCheck(this, TransformStream); + this._transformer = transformer; + var readableStrategy = transformer.readableStrategy, + writableStrategy = transformer.writableStrategy; + this._transforming = false; + this._errored = false; + this._storedError = undefined; + this._writableController = undefined; + this._readableController = undefined; + this._transformStreamController = undefined; + this._writableDone = false; + this._readableClosed = false; + this._backpressure = undefined; + this._backpressureChangePromise = undefined; + this._backpressureChangePromise_resolve = undefined; + this._transformStreamController = new TransformStreamDefaultController(this); + var startPromise_resolve = void 0; + var startPromise = new Promise(function (resolve) { + startPromise_resolve = resolve; + }); + var source = new TransformStreamSource(this, startPromise); + this._readable = new ReadableStream(source, readableStrategy); + var sink = new TransformStreamSink(this, startPromise); + this._writable = new WritableStream(sink, writableStrategy); + assert(this._writableController !== undefined); + assert(this._readableController !== undefined); + var desiredSize = ReadableStreamDefaultControllerGetDesiredSize(this._readableController); + TransformStreamSetBackpressure(this, desiredSize <= 0); + var transformStream = this; + var startResult = InvokeOrNoop(transformer, 'start', [transformStream._transformStreamController]); + startPromise_resolve(startResult); + startPromise.catch(function (e) { + if (transformStream._errored === false) { + transformStream._errored = true; + transformStream._storedError = e; + } + }); + } + _createClass(TransformStream, [{ + key: 'readable', + get: function get() { + if (IsTransformStream(this) === false) { + throw streamBrandCheckException('readable'); + } + return this._readable; + } + }, { + key: 'writable', + get: function get() { + if (IsTransformStream(this) === false) { + throw streamBrandCheckException('writable'); + } + return this._writable; + } + }]); + return TransformStream; + }(); + module.exports = { TransformStream: TransformStream }; + function defaultControllerBrandCheckException(name) { + return new TypeError('TransformStreamDefaultController.prototype.' + name + ' can only be used on a TransformStreamDefaultController'); + } + function streamBrandCheckException(name) { + return new TypeError('TransformStream.prototype.' + name + ' can only be used on a TransformStream'); + } +}, function (module, exports, __w_pdfjs_require__) { + module.exports = __w_pdfjs_require__(5); +}])); + +/***/ }), +/* 127 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; + +{ + var isURLSupported = false; + try { + if (typeof URL === 'function' && _typeof(URL.prototype) === 'object' && 'origin' in URL.prototype) { + var u = new URL('b', 'http://a'); + u.pathname = 'c%20d'; + isURLSupported = u.href === 'http://a/c%20d'; + } + } catch (ex) {} + if (isURLSupported) { + exports.URL = URL; + } else { + var PolyfillURL = __w_pdfjs_require__(128).URL; + var OriginalURL = __w_pdfjs_require__(3).URL; + if (OriginalURL) { + PolyfillURL.createObjectURL = function (blob) { + return OriginalURL.createObjectURL.apply(OriginalURL, arguments); + }; + PolyfillURL.revokeObjectURL = function (url) { + OriginalURL.revokeObjectURL(url); + }; + } + exports.URL = PolyfillURL; + } +} + +/***/ }), +/* 128 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +(function URLConstructorClosure() { + 'use strict'; + + var relative = Object.create(null); + relative['ftp'] = 21; + relative['file'] = 0; + relative['gopher'] = 70; + relative['http'] = 80; + relative['https'] = 443; + relative['ws'] = 80; + relative['wss'] = 443; + var relativePathDotMapping = Object.create(null); + relativePathDotMapping['%2e'] = '.'; + relativePathDotMapping['.%2e'] = '..'; + relativePathDotMapping['%2e.'] = '..'; + relativePathDotMapping['%2e%2e'] = '..'; + function isRelativeScheme(scheme) { + return relative[scheme] !== undefined; + } + function invalid() { + clear.call(this); + this._isInvalid = true; + } + function IDNAToASCII(h) { + if (h === '') { + invalid.call(this); + } + return h.toLowerCase(); + } + function percentEscape(c) { + var unicode = c.charCodeAt(0); + if (unicode > 0x20 && unicode < 0x7F && [0x22, 0x23, 0x3C, 0x3E, 0x3F, 0x60].indexOf(unicode) === -1) { + return c; + } + return encodeURIComponent(c); + } + function percentEscapeQuery(c) { + var unicode = c.charCodeAt(0); + if (unicode > 0x20 && unicode < 0x7F && [0x22, 0x23, 0x3C, 0x3E, 0x60].indexOf(unicode) === -1) { + return c; + } + return encodeURIComponent(c); + } + var EOF, + ALPHA = /[a-zA-Z]/, + ALPHANUMERIC = /[a-zA-Z0-9\+\-\.]/; + function parse(input, stateOverride, base) { + function err(message) { + errors.push(message); + } + var state = stateOverride || 'scheme start', + cursor = 0, + buffer = '', + seenAt = false, + seenBracket = false, + errors = []; + loop: while ((input[cursor - 1] !== EOF || cursor === 0) && !this._isInvalid) { + var c = input[cursor]; + switch (state) { + case 'scheme start': + if (c && ALPHA.test(c)) { + buffer += c.toLowerCase(); + state = 'scheme'; + } else if (!stateOverride) { + buffer = ''; + state = 'no scheme'; + continue; + } else { + err('Invalid scheme.'); + break loop; + } + break; + case 'scheme': + if (c && ALPHANUMERIC.test(c)) { + buffer += c.toLowerCase(); + } else if (c === ':') { + this._scheme = buffer; + buffer = ''; + if (stateOverride) { + break loop; + } + if (isRelativeScheme(this._scheme)) { + this._isRelative = true; + } + if (this._scheme === 'file') { + state = 'relative'; + } else if (this._isRelative && base && base._scheme === this._scheme) { + state = 'relative or authority'; + } else if (this._isRelative) { + state = 'authority first slash'; + } else { + state = 'scheme data'; + } + } else if (!stateOverride) { + buffer = ''; + cursor = 0; + state = 'no scheme'; + continue; + } else if (c === EOF) { + break loop; + } else { + err('Code point not allowed in scheme: ' + c); + break loop; + } + break; + case 'scheme data': + if (c === '?') { + this._query = '?'; + state = 'query'; + } else if (c === '#') { + this._fragment = '#'; + state = 'fragment'; + } else { + if (c !== EOF && c !== '\t' && c !== '\n' && c !== '\r') { + this._schemeData += percentEscape(c); + } + } + break; + case 'no scheme': + if (!base || !isRelativeScheme(base._scheme)) { + err('Missing scheme.'); + invalid.call(this); + } else { + state = 'relative'; + continue; + } + break; + case 'relative or authority': + if (c === '/' && input[cursor + 1] === '/') { + state = 'authority ignore slashes'; + } else { + err('Expected /, got: ' + c); + state = 'relative'; + continue; + } + break; + case 'relative': + this._isRelative = true; + if (this._scheme !== 'file') { + this._scheme = base._scheme; + } + if (c === EOF) { + this._host = base._host; + this._port = base._port; + this._path = base._path.slice(); + this._query = base._query; + this._username = base._username; + this._password = base._password; + break loop; + } else if (c === '/' || c === '\\') { + if (c === '\\') { + err('\\ is an invalid code point.'); + } + state = 'relative slash'; + } else if (c === '?') { + this._host = base._host; + this._port = base._port; + this._path = base._path.slice(); + this._query = '?'; + this._username = base._username; + this._password = base._password; + state = 'query'; + } else if (c === '#') { + this._host = base._host; + this._port = base._port; + this._path = base._path.slice(); + this._query = base._query; + this._fragment = '#'; + this._username = base._username; + this._password = base._password; + state = 'fragment'; + } else { + var nextC = input[cursor + 1]; + var nextNextC = input[cursor + 2]; + if (this._scheme !== 'file' || !ALPHA.test(c) || nextC !== ':' && nextC !== '|' || nextNextC !== EOF && nextNextC !== '/' && nextNextC !== '\\' && nextNextC !== '?' && nextNextC !== '#') { + this._host = base._host; + this._port = base._port; + this._username = base._username; + this._password = base._password; + this._path = base._path.slice(); + this._path.pop(); + } + state = 'relative path'; + continue; + } + break; + case 'relative slash': + if (c === '/' || c === '\\') { + if (c === '\\') { + err('\\ is an invalid code point.'); + } + if (this._scheme === 'file') { + state = 'file host'; + } else { + state = 'authority ignore slashes'; + } + } else { + if (this._scheme !== 'file') { + this._host = base._host; + this._port = base._port; + this._username = base._username; + this._password = base._password; + } + state = 'relative path'; + continue; + } + break; + case 'authority first slash': + if (c === '/') { + state = 'authority second slash'; + } else { + err('Expected \'/\', got: ' + c); + state = 'authority ignore slashes'; + continue; + } + break; + case 'authority second slash': + state = 'authority ignore slashes'; + if (c !== '/') { + err('Expected \'/\', got: ' + c); + continue; + } + break; + case 'authority ignore slashes': + if (c !== '/' && c !== '\\') { + state = 'authority'; + continue; + } else { + err('Expected authority, got: ' + c); + } + break; + case 'authority': + if (c === '@') { + if (seenAt) { + err('@ already seen.'); + buffer += '%40'; + } + seenAt = true; + for (var i = 0; i < buffer.length; i++) { + var cp = buffer[i]; + if (cp === '\t' || cp === '\n' || cp === '\r') { + err('Invalid whitespace in authority.'); + continue; + } + if (cp === ':' && this._password === null) { + this._password = ''; + continue; + } + var tempC = percentEscape(cp); + if (this._password !== null) { + this._password += tempC; + } else { + this._username += tempC; + } + } + buffer = ''; + } else if (c === EOF || c === '/' || c === '\\' || c === '?' || c === '#') { + cursor -= buffer.length; + buffer = ''; + state = 'host'; + continue; + } else { + buffer += c; + } + break; + case 'file host': + if (c === EOF || c === '/' || c === '\\' || c === '?' || c === '#') { + if (buffer.length === 2 && ALPHA.test(buffer[0]) && (buffer[1] === ':' || buffer[1] === '|')) { + state = 'relative path'; + } else if (buffer.length === 0) { + state = 'relative path start'; + } else { + this._host = IDNAToASCII.call(this, buffer); + buffer = ''; + state = 'relative path start'; + } + continue; + } else if (c === '\t' || c === '\n' || c === '\r') { + err('Invalid whitespace in file host.'); + } else { + buffer += c; + } + break; + case 'host': + case 'hostname': + if (c === ':' && !seenBracket) { + this._host = IDNAToASCII.call(this, buffer); + buffer = ''; + state = 'port'; + if (stateOverride === 'hostname') { + break loop; + } + } else if (c === EOF || c === '/' || c === '\\' || c === '?' || c === '#') { + this._host = IDNAToASCII.call(this, buffer); + buffer = ''; + state = 'relative path start'; + if (stateOverride) { + break loop; + } + continue; + } else if (c !== '\t' && c !== '\n' && c !== '\r') { + if (c === '[') { + seenBracket = true; + } else if (c === ']') { + seenBracket = false; + } + buffer += c; + } else { + err('Invalid code point in host/hostname: ' + c); + } + break; + case 'port': + if (/[0-9]/.test(c)) { + buffer += c; + } else if (c === EOF || c === '/' || c === '\\' || c === '?' || c === '#' || stateOverride) { + if (buffer !== '') { + var temp = parseInt(buffer, 10); + if (temp !== relative[this._scheme]) { + this._port = temp + ''; + } + buffer = ''; } + if (stateOverride) { + break loop; + } + state = 'relative path start'; + continue; + } else if (c === '\t' || c === '\n' || c === '\r') { + err('Invalid code point in port: ' + c); } else { - affectedBoundary.x2New = maxXNew; + invalid.call(this); } - } else if (affectedBoundary.x2New > maxXNew) { - affectedBoundary.x2New = Math.max(maxXNew, affectedBoundary.x2); - } - } - var changedHorizon = [], - lastBoundary = null; - for (q = i; q <= j; q++) { - horizonPart = horizon[q]; - affectedBoundary = horizonPart.boundary; - var useBoundary = affectedBoundary.x2 > boundary.x2 ? affectedBoundary : boundary; - if (lastBoundary === useBoundary) { - changedHorizon[changedHorizon.length - 1].end = horizonPart.end; - } else { - changedHorizon.push({ - start: horizonPart.start, - end: horizonPart.end, - boundary: useBoundary - }); - lastBoundary = useBoundary; - } - } - if (horizon[i].start < boundary.y1) { - changedHorizon[0].start = boundary.y1; - changedHorizon.unshift({ - start: horizon[i].start, - end: boundary.y1, - boundary: horizon[i].boundary - }); - } - if (boundary.y2 < horizon[j].end) { - changedHorizon[changedHorizon.length - 1].end = boundary.y2; - changedHorizon.push({ - start: boundary.y2, - end: horizon[j].end, - boundary: horizon[j].boundary - }); - } - for (q = i; q <= j; q++) { - horizonPart = horizon[q]; - affectedBoundary = horizonPart.boundary; - if (affectedBoundary.x2New !== undefined) { - continue; - } - var used = false; - for (k = i - 1; !used && k >= 0 && horizon[k].start >= affectedBoundary.y1; k--) { - used = horizon[k].boundary === affectedBoundary; - } - for (k = j + 1; !used && k < horizon.length && horizon[k].end <= affectedBoundary.y2; k++) { - used = horizon[k].boundary === affectedBoundary; - } - for (k = 0; !used && k < changedHorizon.length; k++) { - used = changedHorizon[k].boundary === affectedBoundary; - } - if (!used) { - affectedBoundary.x2New = maxXNew; - } - } - Array.prototype.splice.apply(horizon, [i, j - i + 1].concat(changedHorizon)); - }); - horizon.forEach(function (horizonPart) { - var affectedBoundary = horizonPart.boundary; - if (affectedBoundary.x2New === undefined) { - affectedBoundary.x2New = Math.max(width, affectedBoundary.x2); + break; + case 'relative path start': + if (c === '\\') { + err('\'\\\' not allowed in path.'); + } + state = 'relative path'; + if (c !== '/' && c !== '\\') { + continue; + } + break; + case 'relative path': + if (c === EOF || c === '/' || c === '\\' || !stateOverride && (c === '?' || c === '#')) { + if (c === '\\') { + err('\\ not allowed in relative path.'); + } + var tmp; + if (tmp = relativePathDotMapping[buffer.toLowerCase()]) { + buffer = tmp; + } + if (buffer === '..') { + this._path.pop(); + if (c !== '/' && c !== '\\') { + this._path.push(''); + } + } else if (buffer === '.' && c !== '/' && c !== '\\') { + this._path.push(''); + } else if (buffer !== '.') { + if (this._scheme === 'file' && this._path.length === 0 && buffer.length === 2 && ALPHA.test(buffer[0]) && buffer[1] === '|') { + buffer = buffer[0] + ':'; + } + this._path.push(buffer); + } + buffer = ''; + if (c === '?') { + this._query = '?'; + state = 'query'; + } else if (c === '#') { + this._fragment = '#'; + state = 'fragment'; + } + } else if (c !== '\t' && c !== '\n' && c !== '\r') { + buffer += percentEscape(c); + } + break; + case 'query': + if (!stateOverride && c === '#') { + this._fragment = '#'; + state = 'fragment'; + } else if (c !== EOF && c !== '\t' && c !== '\n' && c !== '\r') { + this._query += percentEscapeQuery(c); + } + break; + case 'fragment': + if (c !== EOF && c !== '\t' && c !== '\n' && c !== '\r') { + this._fragment += c; + } + break; } - }); - } - function TextLayerRenderTask(_ref) { - var textContent = _ref.textContent, - textContentStream = _ref.textContentStream, - container = _ref.container, - viewport = _ref.viewport, - textDivs = _ref.textDivs, - textContentItemsStr = _ref.textContentItemsStr, - enhanceTextSelection = _ref.enhanceTextSelection; - - this._textContent = textContent; - this._textContentStream = textContentStream; - this._container = container; - this._viewport = viewport; - this._textDivs = textDivs || []; - this._textContentItemsStr = textContentItemsStr || []; - this._enhanceTextSelection = !!enhanceTextSelection; - this._reader = null; - this._layoutTextLastFontSize = null; - this._layoutTextLastFontFamily = null; - this._layoutTextCtx = null; - this._textDivProperties = new WeakMap(); - this._renderingDone = false; - this._canceled = false; - this._capability = (0, _util.createPromiseCapability)(); - this._renderTimer = null; - this._bounds = []; - } - TextLayerRenderTask.prototype = { - get promise() { - return this._capability.promise; + cursor++; + } + } + function clear() { + this._scheme = ''; + this._schemeData = ''; + this._username = ''; + this._password = null; + this._host = ''; + this._port = ''; + this._path = []; + this._query = ''; + this._fragment = ''; + this._isInvalid = false; + this._isRelative = false; + } + function JURL(url, base) { + if (base !== undefined && !(base instanceof JURL)) { + base = new JURL(String(base)); + } + this._url = url; + clear.call(this); + var input = url.replace(/^[ \t\r\n\f]+|[ \t\r\n\f]+$/g, ''); + parse.call(this, input, null, base); + } + JURL.prototype = { + toString: function toString() { + return this.href; }, - cancel: function TextLayer_cancel() { - if (this._reader) { - this._reader.cancel(new _util.AbortException('text layer task cancelled')); - this._reader = null; + + get href() { + if (this._isInvalid) { + return this._url; } - this._canceled = true; - if (this._renderTimer !== null) { - clearTimeout(this._renderTimer); - this._renderTimer = null; + var authority = ''; + if (this._username !== '' || this._password !== null) { + authority = this._username + (this._password !== null ? ':' + this._password : '') + '@'; } - this._capability.reject('canceled'); + return this.protocol + (this._isRelative ? '//' + authority + this.host : '') + this.pathname + this._query + this._fragment; }, - _processItems: function _processItems(items, styleCache) { - for (var i = 0, len = items.length; i < len; i++) { - this._textContentItemsStr.push(items[i].str); - appendText(this, items[i], styleCache); - } + set href(value) { + clear.call(this); + parse.call(this, value); }, - _layoutText: function _layoutText(textDiv) { - var textLayerFrag = this._container; - var textDivProperties = this._textDivProperties.get(textDiv); - if (textDivProperties.isWhitespace) { + get protocol() { + return this._scheme + ':'; + }, + set protocol(value) { + if (this._isInvalid) { return; } - var fontSize = textDiv.style.fontSize; - var fontFamily = textDiv.style.fontFamily; - if (fontSize !== this._layoutTextLastFontSize || fontFamily !== this._layoutTextLastFontFamily) { - this._layoutTextCtx.font = fontSize + ' ' + fontFamily; - this._lastFontSize = fontSize; - this._lastFontFamily = fontFamily; - } - var width = this._layoutTextCtx.measureText(textDiv.textContent).width; - var transform = ''; - if (textDivProperties.canvasWidth !== 0 && width > 0) { - textDivProperties.scale = textDivProperties.canvasWidth / width; - transform = 'scaleX(' + textDivProperties.scale + ')'; - } - if (textDivProperties.angle !== 0) { - transform = 'rotate(' + textDivProperties.angle + 'deg) ' + transform; - } - if (transform !== '') { - textDivProperties.originalTransform = transform; - _dom_utils.CustomStyle.setProp('transform', textDiv, transform); - } - this._textDivProperties.set(textDiv, textDivProperties); - textLayerFrag.appendChild(textDiv); + parse.call(this, value + ':', 'scheme start'); }, - - _render: function TextLayer_render(timeout) { - var _this = this; - - var capability = (0, _util.createPromiseCapability)(); - var styleCache = Object.create(null); - var canvas = document.createElement('canvas'); - canvas.mozOpaque = true; - this._layoutTextCtx = canvas.getContext('2d', { alpha: false }); - if (this._textContent) { - var textItems = this._textContent.items; - var textStyles = this._textContent.styles; - this._processItems(textItems, textStyles); - capability.resolve(); - } else if (this._textContentStream) { - var pump = function pump() { - _this._reader.read().then(function (_ref2) { - var value = _ref2.value, - done = _ref2.done; - - if (done) { - capability.resolve(); - return; - } - _util.Util.extendObj(styleCache, value.styles); - _this._processItems(value.items, styleCache); - pump(); - }, capability.reject); - }; - this._reader = this._textContentStream.getReader(); - pump(); - } else { - throw new Error('Neither "textContent" nor "textContentStream"' + ' parameters specified.'); - } - capability.promise.then(function () { - styleCache = null; - if (!timeout) { - render(_this); - } else { - _this._renderTimer = setTimeout(function () { - render(_this); - _this._renderTimer = null; - }, timeout); - } - }, this._capability.reject); + get host() { + return this._isInvalid ? '' : this._port ? this._host + ':' + this._port : this._host; }, - expandTextDivs: function TextLayer_expandTextDivs(expandDivs) { - if (!this._enhanceTextSelection || !this._renderingDone) { + set host(value) { + if (this._isInvalid || !this._isRelative) { return; } - if (this._bounds !== null) { - expand(this); - this._bounds = null; + parse.call(this, value, 'host'); + }, + get hostname() { + return this._host; + }, + set hostname(value) { + if (this._isInvalid || !this._isRelative) { + return; } - for (var i = 0, ii = this._textDivs.length; i < ii; i++) { - var div = this._textDivs[i]; - var divProperties = this._textDivProperties.get(div); - if (divProperties.isWhitespace) { - continue; - } - if (expandDivs) { - var transform = '', - padding = ''; - if (divProperties.scale !== 1) { - transform = 'scaleX(' + divProperties.scale + ')'; - } - if (divProperties.angle !== 0) { - transform = 'rotate(' + divProperties.angle + 'deg) ' + transform; - } - if (divProperties.paddingLeft !== 0) { - padding += ' padding-left: ' + divProperties.paddingLeft / divProperties.scale + 'px;'; - transform += ' translateX(' + -divProperties.paddingLeft / divProperties.scale + 'px)'; - } - if (divProperties.paddingTop !== 0) { - padding += ' padding-top: ' + divProperties.paddingTop + 'px;'; - transform += ' translateY(' + -divProperties.paddingTop + 'px)'; - } - if (divProperties.paddingRight !== 0) { - padding += ' padding-right: ' + divProperties.paddingRight / divProperties.scale + 'px;'; - } - if (divProperties.paddingBottom !== 0) { - padding += ' padding-bottom: ' + divProperties.paddingBottom + 'px;'; - } - if (padding !== '') { - div.setAttribute('style', divProperties.style + padding); - } - if (transform !== '') { - _dom_utils.CustomStyle.setProp('transform', div, transform); - } - } else { - div.style.padding = 0; - _dom_utils.CustomStyle.setProp('transform', div, divProperties.originalTransform || ''); - } + parse.call(this, value, 'hostname'); + }, + get port() { + return this._port; + }, + set port(value) { + if (this._isInvalid || !this._isRelative) { + return; + } + parse.call(this, value, 'port'); + }, + get pathname() { + return this._isInvalid ? '' : this._isRelative ? '/' + this._path.join('/') : this._schemeData; + }, + set pathname(value) { + if (this._isInvalid || !this._isRelative) { + return; + } + this._path = []; + parse.call(this, value, 'relative path start'); + }, + get search() { + return this._isInvalid || !this._query || this._query === '?' ? '' : this._query; + }, + set search(value) { + if (this._isInvalid || !this._isRelative) { + return; + } + this._query = '?'; + if (value[0] === '?') { + value = value.slice(1); + } + parse.call(this, value, 'query'); + }, + get hash() { + return this._isInvalid || !this._fragment || this._fragment === '#' ? '' : this._fragment; + }, + set hash(value) { + if (this._isInvalid) { + return; } + this._fragment = '#'; + if (value[0] === '#') { + value = value.slice(1); + } + parse.call(this, value, 'fragment'); + }, + get origin() { + var host; + if (this._isInvalid || !this._scheme) { + return ''; + } + switch (this._scheme) { + case 'data': + case 'file': + case 'javascript': + case 'mailto': + return 'null'; + case 'blob': + try { + return new JURL(this._schemeData).origin || 'null'; + } catch (_) {} + return 'null'; + } + host = this.host; + if (!host) { + return ''; + } + return this._scheme + '://' + host; } }; - function renderTextLayer(renderParameters) { - var task = new TextLayerRenderTask({ - textContent: renderParameters.textContent, - textContentStream: renderParameters.textContentStream, - container: renderParameters.container, - viewport: renderParameters.viewport, - textDivs: renderParameters.textDivs, - textContentItemsStr: renderParameters.textContentItemsStr, - enhanceTextSelection: renderParameters.enhanceTextSelection - }); - task._render(renderParameters.timeout); - return task; - } - return renderTextLayer; -}(); -exports.renderTextLayer = renderTextLayer; + exports.URL = JURL; +})(); /***/ }), -/* 6 */ +/* 129 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; @@ -5584,6510 +7811,9860 @@ exports.renderTextLayer = renderTextLayer; Object.defineProperty(exports, "__esModule", { value: true }); -function fixMetadata(meta) { - return meta.replace(/>\\376\\377([^<]+)/g, function (all, codes) { - var bytes = codes.replace(/\\([0-3])([0-7])([0-7])/g, function (code, d1, d2, d3) { - return String.fromCharCode(d1 * 64 + d2 * 8 + d3 * 1); - }); - var chars = ''; - for (var i = 0; i < bytes.length; i += 2) { - var code = bytes.charCodeAt(i) * 256 + bytes.charCodeAt(i + 1); - chars += code >= 32 && code < 127 && code !== 60 && code !== 62 && code !== 38 ? String.fromCharCode(code) : '&#x' + (0x10000 + code).toString(16).substring(1) + ';'; - } - return '>' + chars; - }); -} -function Metadata(meta) { - if (typeof meta === 'string') { - meta = fixMetadata(meta); - var parser = new DOMParser(); - meta = parser.parseFromString(meta, 'application/xml'); - } else if (!(meta instanceof Document)) { - throw new Error('Metadata: Invalid metadata object'); - } - this.metaDocument = meta; - this.metadata = Object.create(null); - this.parse(); -} -Metadata.prototype = { - parse: function Metadata_parse() { - var doc = this.metaDocument; - var rdf = doc.documentElement; - if (rdf.nodeName.toLowerCase() !== 'rdf:rdf') { - rdf = rdf.firstChild; - while (rdf && rdf.nodeName.toLowerCase() !== 'rdf:rdf') { - rdf = rdf.nextSibling; - } - } - var nodeName = rdf ? rdf.nodeName.toLowerCase() : null; - if (!rdf || nodeName !== 'rdf:rdf' || !rdf.hasChildNodes()) { - return; - } - var children = rdf.childNodes, - desc, - entry, - name, - i, - ii, - length, - iLength; - for (i = 0, length = children.length; i < length; i++) { - desc = children[i]; - if (desc.nodeName.toLowerCase() !== 'rdf:description') { - continue; - } - for (ii = 0, iLength = desc.childNodes.length; ii < iLength; ii++) { - if (desc.childNodes[ii].nodeName.toLowerCase() !== '#text') { - entry = desc.childNodes[ii]; - name = entry.nodeName.toLowerCase(); - this.metadata[name] = entry.textContent.trim(); - } - } - } - }, - get: function Metadata_get(name) { - return this.metadata[name] || null; - }, - has: function Metadata_has(name) { - return typeof this.metadata[name] !== 'undefined'; - } -}; -exports.Metadata = Metadata; +exports.build = exports.version = exports.setPDFNetworkStreamFactory = exports.PDFPageProxy = exports.PDFDocumentProxy = exports.PDFWorker = exports.PDFDataRangeTransport = exports.LoopbackPort = exports.getDocument = undefined; -/***/ }), -/* 7 */ -/***/ (function(module, exports, __w_pdfjs_require__) { +var _slicedToArray = function () { function sliceIterator(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"]) _i["return"](); } finally { if (_d) throw _e; } } return _arr; } return function (arr, i) { if (Array.isArray(arr)) { return arr; } else if (Symbol.iterator in Object(arr)) { return sliceIterator(arr, i); } else { throw new TypeError("Invalid attempt to destructure non-iterable instance"); } }; }(); -"use strict"; +var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }(); +var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; -Object.defineProperty(exports, "__esModule", { - value: true -}); -exports.WebGLUtils = undefined; +var _util = __w_pdfjs_require__(1); -var _dom_utils = __w_pdfjs_require__(1); +var _dom_utils = __w_pdfjs_require__(130); -var _util = __w_pdfjs_require__(0); +var _font_loader = __w_pdfjs_require__(131); -var WebGLUtils = function WebGLUtilsClosure() { - function loadShader(gl, code, shaderType) { - var shader = gl.createShader(shaderType); - gl.shaderSource(shader, code); - gl.compileShader(shader); - var compiled = gl.getShaderParameter(shader, gl.COMPILE_STATUS); - if (!compiled) { - var errorMsg = gl.getShaderInfoLog(shader); - throw new Error('Error during shader compilation: ' + errorMsg); +var _api_compatibility = __w_pdfjs_require__(132); + +var _canvas = __w_pdfjs_require__(133); + +var _global_scope = __w_pdfjs_require__(3); + +var _global_scope2 = _interopRequireDefault(_global_scope); + +var _worker_options = __w_pdfjs_require__(135); + +var _message_handler = __w_pdfjs_require__(136); + +var _metadata = __w_pdfjs_require__(141); + +var _transport_stream = __w_pdfjs_require__(143); + +var _webgl = __w_pdfjs_require__(144); + +function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } + +function _toConsumableArray(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) { arr2[i] = arr[i]; } return arr2; } else { return Array.from(arr); } } + +function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } + +var DEFAULT_RANGE_CHUNK_SIZE = 65536; +var isWorkerDisabled = false; +var fallbackWorkerSrc = void 0; +var fakeWorkerFilesLoader = null; +{ + var useRequireEnsure = false; + if (typeof window === 'undefined') { + isWorkerDisabled = true; + if (typeof require.ensure === 'undefined') { + require.ensure = require('node-ensure'); } - return shader; + useRequireEnsure = true; + } else if (typeof require !== 'undefined' && typeof require.ensure === 'function') { + useRequireEnsure = true; } - function createVertexShader(gl, code) { - return loadShader(gl, code, gl.VERTEX_SHADER); + if (typeof requirejs !== 'undefined' && requirejs.toUrl) { + fallbackWorkerSrc = requirejs.toUrl('pdfjs-dist/build/pdf.worker.js'); } - function createFragmentShader(gl, code) { - return loadShader(gl, code, gl.FRAGMENT_SHADER); + var dynamicLoaderSupported = typeof requirejs !== 'undefined' && requirejs.load; + fakeWorkerFilesLoader = useRequireEnsure ? function () { + return new Promise(function (resolve, reject) { + require.ensure([], function () { + try { + var worker = void 0; + worker = require('./pdf.worker.js'); + resolve(worker.WorkerMessageHandler); + } catch (ex) { + reject(ex); + } + }, reject, 'pdfjsWorker'); + }); + } : dynamicLoaderSupported ? function () { + return new Promise(function (resolve, reject) { + requirejs(['pdfjs-dist/build/pdf.worker'], function (worker) { + try { + resolve(worker.WorkerMessageHandler); + } catch (ex) { + reject(ex); + } + }, reject); + }); + } : null; + if (!fallbackWorkerSrc && typeof document !== 'undefined') { + var pdfjsFilePath = document.currentScript && document.currentScript.src; + if (pdfjsFilePath) { + fallbackWorkerSrc = pdfjsFilePath.replace(/(\.(?:min\.)?js)(\?.*)?$/i, '.worker$1$2'); + } } - function createProgram(gl, shaders) { - var program = gl.createProgram(); - for (var i = 0, ii = shaders.length; i < ii; ++i) { - gl.attachShader(program, shaders[i]); +} +var createPDFNetworkStream; +function setPDFNetworkStreamFactory(pdfNetworkStreamFactory) { + createPDFNetworkStream = pdfNetworkStreamFactory; +} +function getDocument(src) { + var task = new PDFDocumentLoadingTask(); + var source; + if (typeof src === 'string') { + source = { url: src }; + } else if ((0, _util.isArrayBuffer)(src)) { + source = { data: src }; + } else if (src instanceof PDFDataRangeTransport) { + source = { range: src }; + } else { + if ((typeof src === 'undefined' ? 'undefined' : _typeof(src)) !== 'object') { + throw new Error('Invalid parameter in getDocument, ' + 'need either Uint8Array, string or a parameter object'); } - gl.linkProgram(program); - var linked = gl.getProgramParameter(program, gl.LINK_STATUS); - if (!linked) { - var errorMsg = gl.getProgramInfoLog(program); - throw new Error('Error during program linking: ' + errorMsg); + if (!src.url && !src.data && !src.range) { + throw new Error('Invalid parameter object: need either .data, .range or .url'); } - return program; - } - function createTexture(gl, image, textureId) { - gl.activeTexture(textureId); - var texture = gl.createTexture(); - gl.bindTexture(gl.TEXTURE_2D, texture); - gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE); - gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE); - gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST); - gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST); - gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, image); - return texture; + source = src; } - var currentGL, currentCanvas; - function generateGL() { - if (currentGL) { - return; + var params = Object.create(null); + var rangeTransport = null; + var worker = null; + for (var key in source) { + if (key === 'url' && typeof window !== 'undefined') { + params[key] = new _util.URL(source[key], window.location).href; + continue; + } else if (key === 'range') { + rangeTransport = source[key]; + continue; + } else if (key === 'worker') { + worker = source[key]; + continue; + } else if (key === 'data' && !(source[key] instanceof Uint8Array)) { + var pdfBytes = source[key]; + if (typeof pdfBytes === 'string') { + params[key] = (0, _util.stringToBytes)(pdfBytes); + } else if ((typeof pdfBytes === 'undefined' ? 'undefined' : _typeof(pdfBytes)) === 'object' && pdfBytes !== null && !isNaN(pdfBytes.length)) { + params[key] = new Uint8Array(pdfBytes); + } else if ((0, _util.isArrayBuffer)(pdfBytes)) { + params[key] = new Uint8Array(pdfBytes); + } else { + throw new Error('Invalid PDF binary data: either typed array, ' + 'string or array-like object is expected in the ' + 'data property.'); + } + continue; } - currentCanvas = document.createElement('canvas'); - currentGL = currentCanvas.getContext('webgl', { premultipliedalpha: false }); + params[key] = source[key]; } - var smaskVertexShaderCode = '\ - attribute vec2 a_position; \ - attribute vec2 a_texCoord; \ - \ - uniform vec2 u_resolution; \ - \ - varying vec2 v_texCoord; \ - \ - void main() { \ - vec2 clipSpace = (a_position / u_resolution) * 2.0 - 1.0; \ - gl_Position = vec4(clipSpace * vec2(1, -1), 0, 1); \ - \ - v_texCoord = a_texCoord; \ - } '; - var smaskFragmentShaderCode = '\ - precision mediump float; \ - \ - uniform vec4 u_backdrop; \ - uniform int u_subtype; \ - uniform sampler2D u_image; \ - uniform sampler2D u_mask; \ - \ - varying vec2 v_texCoord; \ - \ - void main() { \ - vec4 imageColor = texture2D(u_image, v_texCoord); \ - vec4 maskColor = texture2D(u_mask, v_texCoord); \ - if (u_backdrop.a > 0.0) { \ - maskColor.rgb = maskColor.rgb * maskColor.a + \ - u_backdrop.rgb * (1.0 - maskColor.a); \ - } \ - float lum; \ - if (u_subtype == 0) { \ - lum = maskColor.a; \ - } else { \ - lum = maskColor.r * 0.3 + maskColor.g * 0.59 + \ - maskColor.b * 0.11; \ - } \ - imageColor.a *= lum; \ - imageColor.rgb *= imageColor.a; \ - gl_FragColor = imageColor; \ - } '; - var smaskCache = null; - function initSmaskGL() { - var canvas, gl; - generateGL(); - canvas = currentCanvas; - currentCanvas = null; - gl = currentGL; - currentGL = null; - var vertexShader = createVertexShader(gl, smaskVertexShaderCode); - var fragmentShader = createFragmentShader(gl, smaskFragmentShaderCode); - var program = createProgram(gl, [vertexShader, fragmentShader]); - gl.useProgram(program); - var cache = {}; - cache.gl = gl; - cache.canvas = canvas; - cache.resolutionLocation = gl.getUniformLocation(program, 'u_resolution'); - cache.positionLocation = gl.getAttribLocation(program, 'a_position'); - cache.backdropLocation = gl.getUniformLocation(program, 'u_backdrop'); - cache.subtypeLocation = gl.getUniformLocation(program, 'u_subtype'); - var texCoordLocation = gl.getAttribLocation(program, 'a_texCoord'); - var texLayerLocation = gl.getUniformLocation(program, 'u_image'); - var texMaskLocation = gl.getUniformLocation(program, 'u_mask'); - var texCoordBuffer = gl.createBuffer(); - gl.bindBuffer(gl.ARRAY_BUFFER, texCoordBuffer); - gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([0.0, 0.0, 1.0, 0.0, 0.0, 1.0, 0.0, 1.0, 1.0, 0.0, 1.0, 1.0]), gl.STATIC_DRAW); - gl.enableVertexAttribArray(texCoordLocation); - gl.vertexAttribPointer(texCoordLocation, 2, gl.FLOAT, false, 0, 0); - gl.uniform1i(texLayerLocation, 0); - gl.uniform1i(texMaskLocation, 1); - smaskCache = cache; + params.rangeChunkSize = params.rangeChunkSize || DEFAULT_RANGE_CHUNK_SIZE; + params.CMapReaderFactory = params.CMapReaderFactory || _dom_utils.DOMCMapReaderFactory; + params.ignoreErrors = params.stopAtErrors !== true; + params.pdfBug = params.pdfBug === true; + var NativeImageDecoderValues = Object.values(_util.NativeImageDecoding); + if (params.nativeImageDecoderSupport === undefined || !NativeImageDecoderValues.includes(params.nativeImageDecoderSupport)) { + params.nativeImageDecoderSupport = _api_compatibility.apiCompatibilityParams.nativeImageDecoderSupport || _util.NativeImageDecoding.DECODE; + } + if (!Number.isInteger(params.maxImageSize)) { + params.maxImageSize = -1; + } + if (typeof params.isEvalSupported !== 'boolean') { + params.isEvalSupported = true; } - function composeSMask(layer, mask, properties) { - var width = layer.width, - height = layer.height; - if (!smaskCache) { - initSmaskGL(); - } - var cache = smaskCache, - canvas = cache.canvas, - gl = cache.gl; - canvas.width = width; - canvas.height = height; - gl.viewport(0, 0, gl.drawingBufferWidth, gl.drawingBufferHeight); - gl.uniform2f(cache.resolutionLocation, width, height); - if (properties.backdrop) { - gl.uniform4f(cache.resolutionLocation, properties.backdrop[0], properties.backdrop[1], properties.backdrop[2], 1); + if (typeof params.disableFontFace !== 'boolean') { + params.disableFontFace = _api_compatibility.apiCompatibilityParams.disableFontFace || false; + } + if (typeof params.disableRange !== 'boolean') { + params.disableRange = false; + } + if (typeof params.disableStream !== 'boolean') { + params.disableStream = false; + } + if (typeof params.disableAutoFetch !== 'boolean') { + params.disableAutoFetch = false; + } + if (typeof params.disableCreateObjectURL !== 'boolean') { + params.disableCreateObjectURL = _api_compatibility.apiCompatibilityParams.disableCreateObjectURL || false; + } + (0, _util.setVerbosityLevel)(params.verbosity); + if (!worker) { + var workerParams = { + postMessageTransfers: params.postMessageTransfers, + verbosity: params.verbosity + }; + var workerPort = _worker_options.GlobalWorkerOptions.workerPort; + if (workerPort) { + workerParams.port = workerPort; + worker = PDFWorker.fromPort(workerParams); } else { - gl.uniform4f(cache.resolutionLocation, 0, 0, 0, 0); + worker = new PDFWorker(workerParams); } - gl.uniform1i(cache.subtypeLocation, properties.subtype === 'Luminosity' ? 1 : 0); - var texture = createTexture(gl, layer, gl.TEXTURE0); - var maskTexture = createTexture(gl, mask, gl.TEXTURE1); - var buffer = gl.createBuffer(); - gl.bindBuffer(gl.ARRAY_BUFFER, buffer); - gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([0, 0, width, 0, 0, height, 0, height, width, 0, width, height]), gl.STATIC_DRAW); - gl.enableVertexAttribArray(cache.positionLocation); - gl.vertexAttribPointer(cache.positionLocation, 2, gl.FLOAT, false, 0, 0); - gl.clearColor(0, 0, 0, 0); - gl.enable(gl.BLEND); - gl.blendFunc(gl.ONE, gl.ONE_MINUS_SRC_ALPHA); - gl.clear(gl.COLOR_BUFFER_BIT); - gl.drawArrays(gl.TRIANGLES, 0, 6); - gl.flush(); - gl.deleteTexture(texture); - gl.deleteTexture(maskTexture); - gl.deleteBuffer(buffer); - return canvas; - } - var figuresVertexShaderCode = '\ - attribute vec2 a_position; \ - attribute vec3 a_color; \ - \ - uniform vec2 u_resolution; \ - uniform vec2 u_scale; \ - uniform vec2 u_offset; \ - \ - varying vec4 v_color; \ - \ - void main() { \ - vec2 position = (a_position + u_offset) * u_scale; \ - vec2 clipSpace = (position / u_resolution) * 2.0 - 1.0; \ - gl_Position = vec4(clipSpace * vec2(1, -1), 0, 1); \ - \ - v_color = vec4(a_color / 255.0, 1.0); \ - } '; - var figuresFragmentShaderCode = '\ - precision mediump float; \ - \ - varying vec4 v_color; \ - \ - void main() { \ - gl_FragColor = v_color; \ - } '; - var figuresCache = null; - function initFiguresGL() { - var canvas, gl; - generateGL(); - canvas = currentCanvas; - currentCanvas = null; - gl = currentGL; - currentGL = null; - var vertexShader = createVertexShader(gl, figuresVertexShaderCode); - var fragmentShader = createFragmentShader(gl, figuresFragmentShaderCode); - var program = createProgram(gl, [vertexShader, fragmentShader]); - gl.useProgram(program); - var cache = {}; - cache.gl = gl; - cache.canvas = canvas; - cache.resolutionLocation = gl.getUniformLocation(program, 'u_resolution'); - cache.scaleLocation = gl.getUniformLocation(program, 'u_scale'); - cache.offsetLocation = gl.getUniformLocation(program, 'u_offset'); - cache.positionLocation = gl.getAttribLocation(program, 'a_position'); - cache.colorLocation = gl.getAttribLocation(program, 'a_color'); - figuresCache = cache; + task._worker = worker; } - function drawFigures(width, height, backgroundColor, figures, context) { - if (!figuresCache) { - initFiguresGL(); + var docId = task.docId; + worker.promise.then(function () { + if (task.destroyed) { + throw new Error('Loading aborted'); } - var cache = figuresCache, - canvas = cache.canvas, - gl = cache.gl; - canvas.width = width; - canvas.height = height; - gl.viewport(0, 0, gl.drawingBufferWidth, gl.drawingBufferHeight); - gl.uniform2f(cache.resolutionLocation, width, height); - var count = 0; - var i, ii, rows; - for (i = 0, ii = figures.length; i < ii; i++) { - switch (figures[i].type) { - case 'lattice': - rows = figures[i].coords.length / figures[i].verticesPerRow | 0; - count += (rows - 1) * (figures[i].verticesPerRow - 1) * 6; - break; - case 'triangles': - count += figures[i].coords.length; - break; + return _fetchDocument(worker, params, rangeTransport, docId).then(function (workerId) { + if (task.destroyed) { + throw new Error('Loading aborted'); + } + var networkStream = void 0; + if (rangeTransport) { + networkStream = new _transport_stream.PDFDataTransportStream({ + length: params.length, + initialData: params.initialData, + disableRange: params.disableRange, + disableStream: params.disableStream + }, rangeTransport); + } else if (!params.data) { + networkStream = createPDFNetworkStream({ + url: params.url, + length: params.length, + httpHeaders: params.httpHeaders, + withCredentials: params.withCredentials, + rangeChunkSize: params.rangeChunkSize, + disableRange: params.disableRange, + disableStream: params.disableStream + }); } + var messageHandler = new _message_handler.MessageHandler(docId, workerId, worker.port); + messageHandler.postMessageTransfers = worker.postMessageTransfers; + var transport = new WorkerTransport(messageHandler, task, networkStream, params); + task._transport = transport; + messageHandler.send('Ready', null); + }); + }).catch(task._capability.reject); + return task; +} +function _fetchDocument(worker, source, pdfDataRangeTransport, docId) { + if (worker.destroyed) { + return Promise.reject(new Error('Worker was destroyed')); + } + if (pdfDataRangeTransport) { + source.length = pdfDataRangeTransport.length; + source.initialData = pdfDataRangeTransport.initialData; + } + return worker.messageHandler.sendWithPromise('GetDocRequest', { + docId: docId, + apiVersion: '2.0.943', + source: { + data: source.data, + url: source.url, + password: source.password, + disableAutoFetch: source.disableAutoFetch, + rangeChunkSize: source.rangeChunkSize, + length: source.length + }, + maxImageSize: source.maxImageSize, + disableFontFace: source.disableFontFace, + disableCreateObjectURL: source.disableCreateObjectURL, + postMessageTransfers: worker.postMessageTransfers, + docBaseUrl: source.docBaseUrl, + nativeImageDecoderSupport: source.nativeImageDecoderSupport, + ignoreErrors: source.ignoreErrors, + isEvalSupported: source.isEvalSupported + }).then(function (workerId) { + if (worker.destroyed) { + throw new Error('Worker was destroyed'); } - var coords = new Float32Array(count * 2); - var colors = new Uint8Array(count * 3); - var coordsMap = context.coords, - colorsMap = context.colors; - var pIndex = 0, - cIndex = 0; - for (i = 0, ii = figures.length; i < ii; i++) { - var figure = figures[i], - ps = figure.coords, - cs = figure.colors; - switch (figure.type) { - case 'lattice': - var cols = figure.verticesPerRow; - rows = ps.length / cols | 0; - for (var row = 1; row < rows; row++) { - var offset = row * cols + 1; - for (var col = 1; col < cols; col++, offset++) { - coords[pIndex] = coordsMap[ps[offset - cols - 1]]; - coords[pIndex + 1] = coordsMap[ps[offset - cols - 1] + 1]; - coords[pIndex + 2] = coordsMap[ps[offset - cols]]; - coords[pIndex + 3] = coordsMap[ps[offset - cols] + 1]; - coords[pIndex + 4] = coordsMap[ps[offset - 1]]; - coords[pIndex + 5] = coordsMap[ps[offset - 1] + 1]; - colors[cIndex] = colorsMap[cs[offset - cols - 1]]; - colors[cIndex + 1] = colorsMap[cs[offset - cols - 1] + 1]; - colors[cIndex + 2] = colorsMap[cs[offset - cols - 1] + 2]; - colors[cIndex + 3] = colorsMap[cs[offset - cols]]; - colors[cIndex + 4] = colorsMap[cs[offset - cols] + 1]; - colors[cIndex + 5] = colorsMap[cs[offset - cols] + 2]; - colors[cIndex + 6] = colorsMap[cs[offset - 1]]; - colors[cIndex + 7] = colorsMap[cs[offset - 1] + 1]; - colors[cIndex + 8] = colorsMap[cs[offset - 1] + 2]; - coords[pIndex + 6] = coords[pIndex + 2]; - coords[pIndex + 7] = coords[pIndex + 3]; - coords[pIndex + 8] = coords[pIndex + 4]; - coords[pIndex + 9] = coords[pIndex + 5]; - coords[pIndex + 10] = coordsMap[ps[offset]]; - coords[pIndex + 11] = coordsMap[ps[offset] + 1]; - colors[cIndex + 9] = colors[cIndex + 3]; - colors[cIndex + 10] = colors[cIndex + 4]; - colors[cIndex + 11] = colors[cIndex + 5]; - colors[cIndex + 12] = colors[cIndex + 6]; - colors[cIndex + 13] = colors[cIndex + 7]; - colors[cIndex + 14] = colors[cIndex + 8]; - colors[cIndex + 15] = colorsMap[cs[offset]]; - colors[cIndex + 16] = colorsMap[cs[offset] + 1]; - colors[cIndex + 17] = colorsMap[cs[offset] + 2]; - pIndex += 12; - cIndex += 18; - } + return workerId; + }); +} +var PDFDocumentLoadingTask = function PDFDocumentLoadingTaskClosure() { + var nextDocumentId = 0; + function PDFDocumentLoadingTask() { + this._capability = (0, _util.createPromiseCapability)(); + this._transport = null; + this._worker = null; + this.docId = 'd' + nextDocumentId++; + this.destroyed = false; + this.onPassword = null; + this.onProgress = null; + this.onUnsupportedFeature = null; + } + PDFDocumentLoadingTask.prototype = { + get promise() { + return this._capability.promise; + }, + destroy: function destroy() { + var _this = this; + + this.destroyed = true; + var transportDestroyed = !this._transport ? Promise.resolve() : this._transport.destroy(); + return transportDestroyed.then(function () { + _this._transport = null; + if (_this._worker) { + _this._worker.destroy(); + _this._worker = null; + } + }); + }, + + then: function PDFDocumentLoadingTask_then(onFulfilled, onRejected) { + return this.promise.then.apply(this.promise, arguments); + } + }; + return PDFDocumentLoadingTask; +}(); + +var PDFDataRangeTransport = function () { + function PDFDataRangeTransport(length, initialData) { + _classCallCheck(this, PDFDataRangeTransport); + + this.length = length; + this.initialData = initialData; + this._rangeListeners = []; + this._progressListeners = []; + this._progressiveReadListeners = []; + this._readyCapability = (0, _util.createPromiseCapability)(); + } + + _createClass(PDFDataRangeTransport, [{ + key: 'addRangeListener', + value: function addRangeListener(listener) { + this._rangeListeners.push(listener); + } + }, { + key: 'addProgressListener', + value: function addProgressListener(listener) { + this._progressListeners.push(listener); + } + }, { + key: 'addProgressiveReadListener', + value: function addProgressiveReadListener(listener) { + this._progressiveReadListeners.push(listener); + } + }, { + key: 'onDataRange', + value: function onDataRange(begin, chunk) { + var _iteratorNormalCompletion = true; + var _didIteratorError = false; + var _iteratorError = undefined; + + try { + for (var _iterator = this._rangeListeners[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) { + var listener = _step.value; + + listener(begin, chunk); + } + } catch (err) { + _didIteratorError = true; + _iteratorError = err; + } finally { + try { + if (!_iteratorNormalCompletion && _iterator.return) { + _iterator.return(); } - break; - case 'triangles': - for (var j = 0, jj = ps.length; j < jj; j++) { - coords[pIndex] = coordsMap[ps[j]]; - coords[pIndex + 1] = coordsMap[ps[j] + 1]; - colors[cIndex] = colorsMap[cs[j]]; - colors[cIndex + 1] = colorsMap[cs[j] + 1]; - colors[cIndex + 2] = colorsMap[cs[j] + 2]; - pIndex += 2; - cIndex += 3; + } finally { + if (_didIteratorError) { + throw _iteratorError; } - break; + } } } - if (backgroundColor) { - gl.clearColor(backgroundColor[0] / 255, backgroundColor[1] / 255, backgroundColor[2] / 255, 1.0); - } else { - gl.clearColor(0, 0, 0, 0); + }, { + key: 'onDataProgress', + value: function onDataProgress(loaded) { + var _this2 = this; + + this._readyCapability.promise.then(function () { + var _iteratorNormalCompletion2 = true; + var _didIteratorError2 = false; + var _iteratorError2 = undefined; + + try { + for (var _iterator2 = _this2._progressListeners[Symbol.iterator](), _step2; !(_iteratorNormalCompletion2 = (_step2 = _iterator2.next()).done); _iteratorNormalCompletion2 = true) { + var listener = _step2.value; + + listener(loaded); + } + } catch (err) { + _didIteratorError2 = true; + _iteratorError2 = err; + } finally { + try { + if (!_iteratorNormalCompletion2 && _iterator2.return) { + _iterator2.return(); + } + } finally { + if (_didIteratorError2) { + throw _iteratorError2; + } + } + } + }); } - gl.clear(gl.COLOR_BUFFER_BIT); - var coordsBuffer = gl.createBuffer(); - gl.bindBuffer(gl.ARRAY_BUFFER, coordsBuffer); - gl.bufferData(gl.ARRAY_BUFFER, coords, gl.STATIC_DRAW); - gl.enableVertexAttribArray(cache.positionLocation); - gl.vertexAttribPointer(cache.positionLocation, 2, gl.FLOAT, false, 0, 0); - var colorsBuffer = gl.createBuffer(); - gl.bindBuffer(gl.ARRAY_BUFFER, colorsBuffer); - gl.bufferData(gl.ARRAY_BUFFER, colors, gl.STATIC_DRAW); - gl.enableVertexAttribArray(cache.colorLocation); - gl.vertexAttribPointer(cache.colorLocation, 3, gl.UNSIGNED_BYTE, false, 0, 0); - gl.uniform2f(cache.scaleLocation, context.scaleX, context.scaleY); - gl.uniform2f(cache.offsetLocation, context.offsetX, context.offsetY); - gl.drawArrays(gl.TRIANGLES, 0, count); - gl.flush(); - gl.deleteBuffer(coordsBuffer); - gl.deleteBuffer(colorsBuffer); - return canvas; + }, { + key: 'onDataProgressiveRead', + value: function onDataProgressiveRead(chunk) { + var _this3 = this; + + this._readyCapability.promise.then(function () { + var _iteratorNormalCompletion3 = true; + var _didIteratorError3 = false; + var _iteratorError3 = undefined; + + try { + for (var _iterator3 = _this3._progressiveReadListeners[Symbol.iterator](), _step3; !(_iteratorNormalCompletion3 = (_step3 = _iterator3.next()).done); _iteratorNormalCompletion3 = true) { + var listener = _step3.value; + + listener(chunk); + } + } catch (err) { + _didIteratorError3 = true; + _iteratorError3 = err; + } finally { + try { + if (!_iteratorNormalCompletion3 && _iterator3.return) { + _iterator3.return(); + } + } finally { + if (_didIteratorError3) { + throw _iteratorError3; + } + } + } + }); + } + }, { + key: 'transportReady', + value: function transportReady() { + this._readyCapability.resolve(); + } + }, { + key: 'requestDataRange', + value: function requestDataRange(begin, end) { + (0, _util.unreachable)('Abstract method PDFDataRangeTransport.requestDataRange'); + } + }, { + key: 'abort', + value: function abort() {} + }]); + + return PDFDataRangeTransport; +}(); + +var PDFDocumentProxy = function () { + function PDFDocumentProxy(pdfInfo, transport, loadingTask) { + _classCallCheck(this, PDFDocumentProxy); + + this.loadingTask = loadingTask; + this._pdfInfo = pdfInfo; + this._transport = transport; } - function cleanup() { - if (smaskCache && smaskCache.canvas) { - smaskCache.canvas.width = 0; - smaskCache.canvas.height = 0; + + _createClass(PDFDocumentProxy, [{ + key: 'getPage', + value: function getPage(pageNumber) { + return this._transport.getPage(pageNumber); + } + }, { + key: 'getPageIndex', + value: function getPageIndex(ref) { + return this._transport.getPageIndex(ref); + } + }, { + key: 'getDestinations', + value: function getDestinations() { + return this._transport.getDestinations(); + } + }, { + key: 'getDestination', + value: function getDestination(id) { + return this._transport.getDestination(id); + } + }, { + key: 'getPageLabels', + value: function getPageLabels() { + return this._transport.getPageLabels(); } - if (figuresCache && figuresCache.canvas) { - figuresCache.canvas.width = 0; - figuresCache.canvas.height = 0; + }, { + key: 'getPageMode', + value: function getPageMode() { + return this._transport.getPageMode(); + } + }, { + key: 'getAttachments', + value: function getAttachments() { + return this._transport.getAttachments(); + } + }, { + key: 'getJavaScript', + value: function getJavaScript() { + return this._transport.getJavaScript(); + } + }, { + key: 'getOutline', + value: function getOutline() { + return this._transport.getOutline(); + } + }, { + key: 'getPermissions', + value: function getPermissions() { + return this._transport.getPermissions(); + } + }, { + key: 'getMetadata', + value: function getMetadata() { + return this._transport.getMetadata(); + } + }, { + key: 'getData', + value: function getData() { + return this._transport.getData(); + } + }, { + key: 'getDownloadInfo', + value: function getDownloadInfo() { + return this._transport.downloadInfoCapability.promise; + } + }, { + key: 'getStats', + value: function getStats() { + return this._transport.getStats(); + } + }, { + key: 'cleanup', + value: function cleanup() { + this._transport.startCleanup(); + } + }, { + key: 'destroy', + value: function destroy() { + return this.loadingTask.destroy(); + } + }, { + key: 'numPages', + get: function get() { + return this._pdfInfo.numPages; + } + }, { + key: 'fingerprint', + get: function get() { + return this._pdfInfo.fingerprint; + } + }, { + key: 'loadingParams', + get: function get() { + return this._transport.loadingParams; } - smaskCache = null; - figuresCache = null; + }]); + + return PDFDocumentProxy; +}(); + +var PDFPageProxy = function PDFPageProxyClosure() { + function PDFPageProxy(pageIndex, pageInfo, transport) { + var pdfBug = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : false; + + this.pageIndex = pageIndex; + this._pageInfo = pageInfo; + this.transport = transport; + this._stats = pdfBug ? new _dom_utils.StatTimer() : _dom_utils.DummyStatTimer; + this._pdfBug = pdfBug; + this.commonObjs = transport.commonObjs; + this.objs = new PDFObjects(); + this.cleanupAfterRender = false; + this.pendingCleanup = false; + this.intentStates = Object.create(null); + this.destroyed = false; } - return { - get isEnabled() { - if ((0, _dom_utils.getDefaultSetting)('disableWebGL')) { - return false; + PDFPageProxy.prototype = { + get pageNumber() { + return this.pageIndex + 1; + }, + get rotate() { + return this._pageInfo.rotate; + }, + get ref() { + return this._pageInfo.ref; + }, + get userUnit() { + return this._pageInfo.userUnit; + }, + get view() { + return this._pageInfo.view; + }, + getViewport: function getViewport(scale) { + var rotate = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : this.rotate; + var dontFlip = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false; + + return new _dom_utils.PageViewport({ + viewBox: this.view, + scale: scale, + rotation: rotate, + dontFlip: dontFlip + }); + }, + + getAnnotations: function PDFPageProxy_getAnnotations(params) { + var intent = params && params.intent || null; + if (!this.annotationsPromise || this.annotationsIntent !== intent) { + this.annotationsPromise = this.transport.getAnnotations(this.pageIndex, intent); + this.annotationsIntent = intent; + } + return this.annotationsPromise; + }, + render: function PDFPageProxy_render(params) { + var _this4 = this; + + var stats = this._stats; + stats.time('Overall'); + this.pendingCleanup = false; + var renderingIntent = params.intent === 'print' ? 'print' : 'display'; + var canvasFactory = params.canvasFactory || new _dom_utils.DOMCanvasFactory(); + var webGLContext = new _webgl.WebGLContext({ enable: params.enableWebGL }); + if (!this.intentStates[renderingIntent]) { + this.intentStates[renderingIntent] = Object.create(null); + } + var intentState = this.intentStates[renderingIntent]; + if (!intentState.displayReadyCapability) { + intentState.receivingOperatorList = true; + intentState.displayReadyCapability = (0, _util.createPromiseCapability)(); + intentState.operatorList = { + fnArray: [], + argsArray: [], + lastChunk: false + }; + stats.time('Page Request'); + this.transport.messageHandler.send('RenderPageRequest', { + pageIndex: this.pageNumber - 1, + intent: renderingIntent, + renderInteractiveForms: params.renderInteractiveForms === true + }); + } + var complete = function complete(error) { + var i = intentState.renderTasks.indexOf(internalRenderTask); + if (i >= 0) { + intentState.renderTasks.splice(i, 1); + } + if (_this4.cleanupAfterRender) { + _this4.pendingCleanup = true; + } + _this4._tryCleanup(); + if (error) { + internalRenderTask.capability.reject(error); + } else { + internalRenderTask.capability.resolve(); + } + stats.timeEnd('Rendering'); + stats.timeEnd('Overall'); + }; + var internalRenderTask = new InternalRenderTask(complete, params, this.objs, this.commonObjs, intentState.operatorList, this.pageNumber, canvasFactory, webGLContext, this._pdfBug); + internalRenderTask.useRequestAnimationFrame = renderingIntent !== 'print'; + if (!intentState.renderTasks) { + intentState.renderTasks = []; + } + intentState.renderTasks.push(internalRenderTask); + var renderTask = internalRenderTask.task; + intentState.displayReadyCapability.promise.then(function (transparency) { + if (_this4.pendingCleanup) { + complete(); + return; + } + stats.time('Rendering'); + internalRenderTask.initializeGraphics(transparency); + internalRenderTask.operatorListChanged(); + }).catch(complete); + return renderTask; + }, + getOperatorList: function PDFPageProxy_getOperatorList() { + function operatorListChanged() { + if (intentState.operatorList.lastChunk) { + intentState.opListReadCapability.resolve(intentState.operatorList); + var i = intentState.renderTasks.indexOf(opListTask); + if (i >= 0) { + intentState.renderTasks.splice(i, 1); + } + } + } + var renderingIntent = 'oplist'; + if (!this.intentStates[renderingIntent]) { + this.intentStates[renderingIntent] = Object.create(null); + } + var intentState = this.intentStates[renderingIntent]; + var opListTask; + if (!intentState.opListReadCapability) { + opListTask = {}; + opListTask.operatorListChanged = operatorListChanged; + intentState.receivingOperatorList = true; + intentState.opListReadCapability = (0, _util.createPromiseCapability)(); + intentState.renderTasks = []; + intentState.renderTasks.push(opListTask); + intentState.operatorList = { + fnArray: [], + argsArray: [], + lastChunk: false + }; + this._stats.time('Page Request'); + this.transport.messageHandler.send('RenderPageRequest', { + pageIndex: this.pageIndex, + intent: renderingIntent + }); } - var enabled = false; - try { - generateGL(); - enabled = !!currentGL; - } catch (e) {} - return (0, _util.shadow)(this, 'isEnabled', enabled); + return intentState.opListReadCapability.promise; }, - composeSMask: composeSMask, - drawFigures: drawFigures, - clear: cleanup - }; -}(); -exports.WebGLUtils = WebGLUtils; - -/***/ }), -/* 8 */ -/***/ (function(module, exports, __w_pdfjs_require__) { - -"use strict"; - - -Object.defineProperty(exports, "__esModule", { - value: true -}); -exports.PDFJS = exports.isWorker = exports.globalScope = undefined; - -var _api = __w_pdfjs_require__(2); - -var _dom_utils = __w_pdfjs_require__(1); - -var _util = __w_pdfjs_require__(0); - -var _annotation_layer = __w_pdfjs_require__(3); + streamTextContent: function streamTextContent() { + var params = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {}; -var _metadata = __w_pdfjs_require__(6); + var TEXT_CONTENT_CHUNK_SIZE = 100; + return this.transport.messageHandler.sendWithStream('GetTextContent', { + pageIndex: this.pageNumber - 1, + normalizeWhitespace: params.normalizeWhitespace === true, + combineTextItems: params.disableCombineTextItems !== true + }, { + highWaterMark: TEXT_CONTENT_CHUNK_SIZE, + size: function size(textContent) { + return textContent.items.length; + } + }); + }, -var _text_layer = __w_pdfjs_require__(5); + getTextContent: function PDFPageProxy_getTextContent(params) { + params = params || {}; + var readableStream = this.streamTextContent(params); + return new Promise(function (resolve, reject) { + function pump() { + reader.read().then(function (_ref) { + var _textContent$items; -var _svg = __w_pdfjs_require__(4); + var value = _ref.value, + done = _ref.done; -var isWorker = typeof window === 'undefined'; -if (!_util.globalScope.PDFJS) { - _util.globalScope.PDFJS = {}; -} -var PDFJS = _util.globalScope.PDFJS; -{ - PDFJS.version = '1.9.426'; - PDFJS.build = '2558a58d'; -} -PDFJS.pdfBug = false; -if (PDFJS.verbosity !== undefined) { - (0, _util.setVerbosityLevel)(PDFJS.verbosity); -} -delete PDFJS.verbosity; -Object.defineProperty(PDFJS, 'verbosity', { - get: function get() { - return (0, _util.getVerbosityLevel)(); - }, - set: function set(level) { - (0, _util.setVerbosityLevel)(level); - }, + if (done) { + resolve(textContent); + return; + } + Object.assign(textContent.styles, value.styles); + (_textContent$items = textContent.items).push.apply(_textContent$items, _toConsumableArray(value.items)); + pump(); + }, reject); + } + var reader = readableStream.getReader(); + var textContent = { + items: [], + styles: Object.create(null) + }; + pump(); + }); + }, + _destroy: function PDFPageProxy_destroy() { + this.destroyed = true; + this.transport.pageCache[this.pageIndex] = null; + var waitOn = []; + Object.keys(this.intentStates).forEach(function (intent) { + if (intent === 'oplist') { + return; + } + var intentState = this.intentStates[intent]; + intentState.renderTasks.forEach(function (renderTask) { + var renderCompleted = renderTask.capability.promise.catch(function () {}); + waitOn.push(renderCompleted); + renderTask.cancel(); + }); + }, this); + this.objs.clear(); + this.annotationsPromise = null; + this.pendingCleanup = false; + return Promise.all(waitOn); + }, + cleanup: function cleanup() { + var resetStats = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false; - enumerable: true, - configurable: true -}); -PDFJS.VERBOSITY_LEVELS = _util.VERBOSITY_LEVELS; -PDFJS.OPS = _util.OPS; -PDFJS.UNSUPPORTED_FEATURES = _util.UNSUPPORTED_FEATURES; -PDFJS.isValidUrl = _dom_utils.isValidUrl; -PDFJS.shadow = _util.shadow; -PDFJS.createBlob = _util.createBlob; -PDFJS.createObjectURL = function PDFJS_createObjectURL(data, contentType) { - return (0, _util.createObjectURL)(data, contentType, PDFJS.disableCreateObjectURL); -}; -Object.defineProperty(PDFJS, 'isLittleEndian', { - configurable: true, - get: function PDFJS_isLittleEndian() { - return (0, _util.shadow)(PDFJS, 'isLittleEndian', (0, _util.isLittleEndian)()); - } -}); -PDFJS.removeNullCharacters = _util.removeNullCharacters; -PDFJS.PasswordResponses = _util.PasswordResponses; -PDFJS.PasswordException = _util.PasswordException; -PDFJS.UnknownErrorException = _util.UnknownErrorException; -PDFJS.InvalidPDFException = _util.InvalidPDFException; -PDFJS.MissingPDFException = _util.MissingPDFException; -PDFJS.UnexpectedResponseException = _util.UnexpectedResponseException; -PDFJS.Util = _util.Util; -PDFJS.PageViewport = _util.PageViewport; -PDFJS.createPromiseCapability = _util.createPromiseCapability; -PDFJS.maxImageSize = PDFJS.maxImageSize === undefined ? -1 : PDFJS.maxImageSize; -PDFJS.cMapUrl = PDFJS.cMapUrl === undefined ? null : PDFJS.cMapUrl; -PDFJS.cMapPacked = PDFJS.cMapPacked === undefined ? false : PDFJS.cMapPacked; -PDFJS.disableFontFace = PDFJS.disableFontFace === undefined ? false : PDFJS.disableFontFace; -PDFJS.imageResourcesPath = PDFJS.imageResourcesPath === undefined ? '' : PDFJS.imageResourcesPath; -PDFJS.disableWorker = PDFJS.disableWorker === undefined ? false : PDFJS.disableWorker; -PDFJS.workerSrc = PDFJS.workerSrc === undefined ? null : PDFJS.workerSrc; -PDFJS.workerPort = PDFJS.workerPort === undefined ? null : PDFJS.workerPort; -PDFJS.disableRange = PDFJS.disableRange === undefined ? false : PDFJS.disableRange; -PDFJS.disableStream = PDFJS.disableStream === undefined ? false : PDFJS.disableStream; -PDFJS.disableAutoFetch = PDFJS.disableAutoFetch === undefined ? false : PDFJS.disableAutoFetch; -PDFJS.pdfBug = PDFJS.pdfBug === undefined ? false : PDFJS.pdfBug; -PDFJS.postMessageTransfers = PDFJS.postMessageTransfers === undefined ? true : PDFJS.postMessageTransfers; -PDFJS.disableCreateObjectURL = PDFJS.disableCreateObjectURL === undefined ? false : PDFJS.disableCreateObjectURL; -PDFJS.disableWebGL = PDFJS.disableWebGL === undefined ? true : PDFJS.disableWebGL; -PDFJS.externalLinkTarget = PDFJS.externalLinkTarget === undefined ? _dom_utils.LinkTarget.NONE : PDFJS.externalLinkTarget; -PDFJS.externalLinkRel = PDFJS.externalLinkRel === undefined ? _dom_utils.DEFAULT_LINK_REL : PDFJS.externalLinkRel; -PDFJS.isEvalSupported = PDFJS.isEvalSupported === undefined ? true : PDFJS.isEvalSupported; -PDFJS.pdfjsNext = PDFJS.pdfjsNext === undefined ? false : PDFJS.pdfjsNext; -{ - var savedOpenExternalLinksInNewWindow = PDFJS.openExternalLinksInNewWindow; - delete PDFJS.openExternalLinksInNewWindow; - Object.defineProperty(PDFJS, 'openExternalLinksInNewWindow', { - get: function get() { - return PDFJS.externalLinkTarget === _dom_utils.LinkTarget.BLANK; + this.pendingCleanup = true; + this._tryCleanup(resetStats); }, - set: function set(value) { - if (value) { - (0, _util.deprecated)('PDFJS.openExternalLinksInNewWindow, please use ' + '"PDFJS.externalLinkTarget = PDFJS.LinkTarget.BLANK" instead.'); - } - if (PDFJS.externalLinkTarget !== _dom_utils.LinkTarget.NONE) { - (0, _util.warn)('PDFJS.externalLinkTarget is already initialized'); + _tryCleanup: function _tryCleanup() { + var resetStats = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false; + + if (!this.pendingCleanup || Object.keys(this.intentStates).some(function (intent) { + var intentState = this.intentStates[intent]; + return intentState.renderTasks.length !== 0 || intentState.receivingOperatorList; + }, this)) { return; } - PDFJS.externalLinkTarget = value ? _dom_utils.LinkTarget.BLANK : _dom_utils.LinkTarget.NONE; + Object.keys(this.intentStates).forEach(function (intent) { + delete this.intentStates[intent]; + }, this); + this.objs.clear(); + this.annotationsPromise = null; + if (resetStats && this._stats instanceof _dom_utils.StatTimer) { + this._stats = new _dom_utils.StatTimer(); + } + this.pendingCleanup = false; }, - enumerable: true, - configurable: true - }); - if (savedOpenExternalLinksInNewWindow) { - PDFJS.openExternalLinksInNewWindow = savedOpenExternalLinksInNewWindow; - } -} -PDFJS.getDocument = _api.getDocument; -PDFJS.LoopbackPort = _api.LoopbackPort; -PDFJS.PDFDataRangeTransport = _api.PDFDataRangeTransport; -PDFJS.PDFWorker = _api.PDFWorker; -PDFJS.hasCanvasTypedArrays = true; -PDFJS.CustomStyle = _dom_utils.CustomStyle; -PDFJS.LinkTarget = _dom_utils.LinkTarget; -PDFJS.addLinkAttributes = _dom_utils.addLinkAttributes; -PDFJS.getFilenameFromUrl = _dom_utils.getFilenameFromUrl; -PDFJS.isExternalLinkTargetSet = _dom_utils.isExternalLinkTargetSet; -PDFJS.AnnotationLayer = _annotation_layer.AnnotationLayer; -PDFJS.renderTextLayer = _text_layer.renderTextLayer; -PDFJS.Metadata = _metadata.Metadata; -PDFJS.SVGGraphics = _svg.SVGGraphics; -PDFJS.UnsupportedManager = _api._UnsupportedManager; -exports.globalScope = _util.globalScope; -exports.isWorker = isWorker; -exports.PDFJS = PDFJS; - -/***/ }), -/* 9 */ -/***/ (function(module, exports, __w_pdfjs_require__) { - -"use strict"; - - -Object.defineProperty(exports, "__esModule", { - value: true -}); -exports.NetworkManager = exports.PDFNetworkStream = undefined; - -var _util = __w_pdfjs_require__(0); - -var _api = __w_pdfjs_require__(2); - -; -var OK_RESPONSE = 200; -var PARTIAL_CONTENT_RESPONSE = 206; -function NetworkManager(url, args) { - this.url = url; - args = args || {}; - this.isHttp = /^https?:/i.test(url); - this.httpHeaders = this.isHttp && args.httpHeaders || {}; - this.withCredentials = args.withCredentials || false; - this.getXhr = args.getXhr || function NetworkManager_getXhr() { - return new XMLHttpRequest(); - }; - this.currXhrId = 0; - this.pendingRequests = Object.create(null); - this.loadedRequests = Object.create(null); -} -function getArrayBuffer(xhr) { - var data = xhr.response; - if (typeof data !== 'string') { - return data; - } - var length = data.length; - var array = new Uint8Array(length); - for (var i = 0; i < length; i++) { - array[i] = data.charCodeAt(i) & 0xFF; - } - return array.buffer; -} -var supportsMozChunked = function supportsMozChunkedClosure() { - try { - var x = new XMLHttpRequest(); - x.open('GET', _util.globalScope.location.href); - x.responseType = 'moz-chunked-arraybuffer'; - return x.responseType === 'moz-chunked-arraybuffer'; - } catch (e) { - return false; - } -}(); -NetworkManager.prototype = { - requestRange: function NetworkManager_requestRange(begin, end, listeners) { - var args = { - begin: begin, - end: end - }; - for (var prop in listeners) { - args[prop] = listeners[prop]; - } - return this.request(args); - }, - requestFull: function NetworkManager_requestFull(listeners) { - return this.request(listeners); - }, - request: function NetworkManager_request(args) { - var xhr = this.getXhr(); - var xhrId = this.currXhrId++; - var pendingRequest = this.pendingRequests[xhrId] = { xhr: xhr }; - xhr.open('GET', this.url); - xhr.withCredentials = this.withCredentials; - for (var property in this.httpHeaders) { - var value = this.httpHeaders[property]; - if (typeof value === 'undefined') { - continue; - } - xhr.setRequestHeader(property, value); - } - if (this.isHttp && 'begin' in args && 'end' in args) { - var rangeStr = args.begin + '-' + (args.end - 1); - xhr.setRequestHeader('Range', 'bytes=' + rangeStr); - pendingRequest.expectedStatus = 206; - } else { - pendingRequest.expectedStatus = 200; - } - var useMozChunkedLoading = supportsMozChunked && !!args.onProgressiveData; - if (useMozChunkedLoading) { - xhr.responseType = 'moz-chunked-arraybuffer'; - pendingRequest.onProgressiveData = args.onProgressiveData; - pendingRequest.mozChunked = true; - } else { - xhr.responseType = 'arraybuffer'; - } - if (args.onError) { - xhr.onerror = function (evt) { - args.onError(xhr.status); - }; - } - xhr.onreadystatechange = this.onStateChange.bind(this, xhrId); - xhr.onprogress = this.onProgress.bind(this, xhrId); - pendingRequest.onHeadersReceived = args.onHeadersReceived; - pendingRequest.onDone = args.onDone; - pendingRequest.onError = args.onError; - pendingRequest.onProgress = args.onProgress; - xhr.send(null); - return xhrId; - }, - onProgress: function NetworkManager_onProgress(xhrId, evt) { - var pendingRequest = this.pendingRequests[xhrId]; - if (!pendingRequest) { - return; - } - if (pendingRequest.mozChunked) { - var chunk = getArrayBuffer(pendingRequest.xhr); - pendingRequest.onProgressiveData(chunk); - } - var onProgress = pendingRequest.onProgress; - if (onProgress) { - onProgress(evt); - } - }, - onStateChange: function NetworkManager_onStateChange(xhrId, evt) { - var pendingRequest = this.pendingRequests[xhrId]; - if (!pendingRequest) { - return; - } - var xhr = pendingRequest.xhr; - if (xhr.readyState >= 2 && pendingRequest.onHeadersReceived) { - pendingRequest.onHeadersReceived(); - delete pendingRequest.onHeadersReceived; - } - if (xhr.readyState !== 4) { - return; - } - if (!(xhrId in this.pendingRequests)) { - return; - } - delete this.pendingRequests[xhrId]; - if (xhr.status === 0 && this.isHttp) { - if (pendingRequest.onError) { - pendingRequest.onError(xhr.status); + _startRenderPage: function PDFPageProxy_startRenderPage(transparency, intent) { + var intentState = this.intentStates[intent]; + if (intentState.displayReadyCapability) { + intentState.displayReadyCapability.resolve(transparency); } - return; - } - var xhrStatus = xhr.status || OK_RESPONSE; - var ok_response_on_range_request = xhrStatus === OK_RESPONSE && pendingRequest.expectedStatus === PARTIAL_CONTENT_RESPONSE; - if (!ok_response_on_range_request && xhrStatus !== pendingRequest.expectedStatus) { - if (pendingRequest.onError) { - pendingRequest.onError(xhr.status); + }, + _renderPageChunk: function PDFPageProxy_renderPageChunk(operatorListChunk, intent) { + var intentState = this.intentStates[intent]; + var i, ii; + for (i = 0, ii = operatorListChunk.length; i < ii; i++) { + intentState.operatorList.fnArray.push(operatorListChunk.fnArray[i]); + intentState.operatorList.argsArray.push(operatorListChunk.argsArray[i]); } - return; - } - this.loadedRequests[xhrId] = true; - var chunk = getArrayBuffer(xhr); - if (xhrStatus === PARTIAL_CONTENT_RESPONSE) { - var rangeHeader = xhr.getResponseHeader('Content-Range'); - var matches = /bytes (\d+)-(\d+)\/(\d+)/.exec(rangeHeader); - var begin = parseInt(matches[1], 10); - pendingRequest.onDone({ - begin: begin, - chunk: chunk - }); - } else if (pendingRequest.onProgressiveData) { - pendingRequest.onDone(null); - } else if (chunk) { - pendingRequest.onDone({ - begin: 0, - chunk: chunk - }); - } else if (pendingRequest.onError) { - pendingRequest.onError(xhr.status); - } - }, - hasPendingRequests: function NetworkManager_hasPendingRequests() { - for (var xhrId in this.pendingRequests) { - return true; - } - return false; - }, - getRequestXhr: function NetworkManager_getXhr(xhrId) { - return this.pendingRequests[xhrId].xhr; - }, - isStreamingRequest: function NetworkManager_isStreamingRequest(xhrId) { - return !!this.pendingRequests[xhrId].onProgressiveData; - }, - isPendingRequest: function NetworkManager_isPendingRequest(xhrId) { - return xhrId in this.pendingRequests; - }, - isLoadedRequest: function NetworkManager_isLoadedRequest(xhrId) { - return xhrId in this.loadedRequests; - }, - abortAllRequests: function NetworkManager_abortAllRequests() { - for (var xhrId in this.pendingRequests) { - this.abortRequest(xhrId | 0); - } - }, - abortRequest: function NetworkManager_abortRequest(xhrId) { - var xhr = this.pendingRequests[xhrId].xhr; - delete this.pendingRequests[xhrId]; - xhr.abort(); - } -}; -function PDFNetworkStream(options) { - this._options = options; - var source = options.source; - this._manager = new NetworkManager(source.url, { - httpHeaders: source.httpHeaders, - withCredentials: source.withCredentials - }); - this._rangeChunkSize = source.rangeChunkSize; - this._fullRequestReader = null; - this._rangeRequestReaders = []; -} -PDFNetworkStream.prototype = { - _onRangeRequestReaderClosed: function PDFNetworkStream_onRangeRequestReaderClosed(reader) { - var i = this._rangeRequestReaders.indexOf(reader); - if (i >= 0) { - this._rangeRequestReaders.splice(i, 1); - } - }, - getFullReader: function PDFNetworkStream_getFullReader() { - (0, _util.assert)(!this._fullRequestReader); - this._fullRequestReader = new PDFNetworkStreamFullRequestReader(this._manager, this._options); - return this._fullRequestReader; - }, - getRangeReader: function PDFNetworkStream_getRangeReader(begin, end) { - var reader = new PDFNetworkStreamRangeRequestReader(this._manager, begin, end); - reader.onClosed = this._onRangeRequestReaderClosed.bind(this); - this._rangeRequestReaders.push(reader); - return reader; - }, - cancelAllRequests: function PDFNetworkStream_cancelAllRequests(reason) { - if (this._fullRequestReader) { - this._fullRequestReader.cancel(reason); + intentState.operatorList.lastChunk = operatorListChunk.lastChunk; + for (i = 0; i < intentState.renderTasks.length; i++) { + intentState.renderTasks[i].operatorListChanged(); + } + if (operatorListChunk.lastChunk) { + intentState.receivingOperatorList = false; + this._tryCleanup(); + } + }, + get stats() { + return this._stats instanceof _dom_utils.StatTimer ? this._stats : null; } - var readers = this._rangeRequestReaders.slice(0); - readers.forEach(function (reader) { - reader.cancel(reason); - }); - } -}; -function PDFNetworkStreamFullRequestReader(manager, options) { - this._manager = manager; - var source = options.source; - var args = { - onHeadersReceived: this._onHeadersReceived.bind(this), - onProgressiveData: source.disableStream ? null : this._onProgressiveData.bind(this), - onDone: this._onDone.bind(this), - onError: this._onError.bind(this), - onProgress: this._onProgress.bind(this) }; - this._url = source.url; - this._fullRequestId = manager.requestFull(args); - this._headersReceivedCapability = (0, _util.createPromiseCapability)(); - this._disableRange = options.disableRange || false; - this._contentLength = source.length; - this._rangeChunkSize = source.rangeChunkSize; - if (!this._rangeChunkSize && !this._disableRange) { - this._disableRange = true; + return PDFPageProxy; +}(); + +var LoopbackPort = function () { + function LoopbackPort() { + var defer = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : true; + + _classCallCheck(this, LoopbackPort); + + this._listeners = []; + this._defer = defer; + this._deferred = Promise.resolve(undefined); } - this._isStreamingSupported = false; - this._isRangeSupported = false; - this._cachedChunks = []; - this._requests = []; - this._done = false; - this._storedError = undefined; - this.onProgress = null; -} -PDFNetworkStreamFullRequestReader.prototype = { - _validateRangeRequestCapabilities: function PDFNetworkStreamFullRequestReader_validateRangeRequestCapabilities() { - if (this._disableRange) { - return false; - } - var networkManager = this._manager; - if (!networkManager.isHttp) { - return false; - } - var fullRequestXhrId = this._fullRequestId; - var fullRequestXhr = networkManager.getRequestXhr(fullRequestXhrId); - if (fullRequestXhr.getResponseHeader('Accept-Ranges') !== 'bytes') { - return false; - } - var contentEncoding = fullRequestXhr.getResponseHeader('Content-Encoding') || 'identity'; - if (contentEncoding !== 'identity') { - return false; - } - var length = fullRequestXhr.getResponseHeader('Content-Length'); - length = parseInt(length, 10); - if (!(0, _util.isInt)(length)) { - return false; - } - this._contentLength = length; - if (length <= 2 * this._rangeChunkSize) { - return false; + + _createClass(LoopbackPort, [{ + key: 'postMessage', + value: function postMessage(obj, transfers) { + var _this5 = this; + + function cloneValue(value) { + if ((typeof value === 'undefined' ? 'undefined' : _typeof(value)) !== 'object' || value === null) { + return value; + } + if (cloned.has(value)) { + return cloned.get(value); + } + var result; + var buffer; + if ((buffer = value.buffer) && (0, _util.isArrayBuffer)(buffer)) { + var transferable = transfers && transfers.includes(buffer); + if (value === buffer) { + result = value; + } else if (transferable) { + result = new value.constructor(buffer, value.byteOffset, value.byteLength); + } else { + result = new value.constructor(value); + } + cloned.set(value, result); + return result; + } + result = Array.isArray(value) ? [] : {}; + cloned.set(value, result); + for (var i in value) { + var desc, + p = value; + while (!(desc = Object.getOwnPropertyDescriptor(p, i))) { + p = Object.getPrototypeOf(p); + } + if (typeof desc.value === 'undefined' || typeof desc.value === 'function') { + continue; + } + result[i] = cloneValue(desc.value); + } + return result; + } + if (!this._defer) { + this._listeners.forEach(function (listener) { + listener.call(this, { data: obj }); + }, this); + return; + } + var cloned = new WeakMap(); + var e = { data: cloneValue(obj) }; + this._deferred.then(function () { + _this5._listeners.forEach(function (listener) { + listener.call(this, e); + }, _this5); + }); } - return true; - }, - _onHeadersReceived: function PDFNetworkStreamFullRequestReader_onHeadersReceived() { - if (this._validateRangeRequestCapabilities()) { - this._isRangeSupported = true; + }, { + key: 'addEventListener', + value: function addEventListener(name, listener) { + this._listeners.push(listener); } - var networkManager = this._manager; - var fullRequestXhrId = this._fullRequestId; - if (networkManager.isStreamingRequest(fullRequestXhrId)) { - this._isStreamingSupported = true; - } else if (this._isRangeSupported) { - networkManager.abortRequest(fullRequestXhrId); + }, { + key: 'removeEventListener', + value: function removeEventListener(name, listener) { + var i = this._listeners.indexOf(listener); + this._listeners.splice(i, 1); } - this._headersReceivedCapability.resolve(); - }, - _onProgressiveData: function PDFNetworkStreamFullRequestReader_onProgressiveData(chunk) { - if (this._requests.length > 0) { - var requestCapability = this._requests.shift(); - requestCapability.resolve({ - value: chunk, - done: false - }); - } else { - this._cachedChunks.push(chunk); + }, { + key: 'terminate', + value: function terminate() { + this._listeners = []; } - }, - _onDone: function PDFNetworkStreamFullRequestReader_onDone(args) { - if (args) { - this._onProgressiveData(args.chunk); + }]); + + return LoopbackPort; +}(); + +var PDFWorker = function PDFWorkerClosure() { + var nextFakeWorkerId = 0; + function getWorkerSrc() { + if (_worker_options.GlobalWorkerOptions.workerSrc) { + return _worker_options.GlobalWorkerOptions.workerSrc; } - this._done = true; - if (this._cachedChunks.length > 0) { - return; + if (typeof fallbackWorkerSrc !== 'undefined') { + return fallbackWorkerSrc; } - this._requests.forEach(function (requestCapability) { - requestCapability.resolve({ - value: undefined, - done: true - }); - }); - this._requests = []; - }, - _onError: function PDFNetworkStreamFullRequestReader_onError(status) { - var url = this._url; - var exception; - if (status === 404 || status === 0 && /^file:/.test(url)) { - exception = new _util.MissingPDFException('Missing PDF "' + url + '".'); - } else { - exception = new _util.UnexpectedResponseException('Unexpected server response (' + status + ') while retrieving PDF "' + url + '".', status); + throw new Error('No "GlobalWorkerOptions.workerSrc" specified.'); + } + function getMainThreadWorkerMessageHandler() { + try { + if (typeof window !== 'undefined') { + return window.pdfjsWorker && window.pdfjsWorker.WorkerMessageHandler; + } + } catch (ex) {} + return null; + } + var fakeWorkerFilesLoadedCapability = void 0; + function setupFakeWorkerGlobal() { + if (fakeWorkerFilesLoadedCapability) { + return fakeWorkerFilesLoadedCapability.promise; } - this._storedError = exception; - this._headersReceivedCapability.reject(exception); - this._requests.forEach(function (requestCapability) { - requestCapability.reject(exception); - }); - this._requests = []; - this._cachedChunks = []; - }, - _onProgress: function PDFNetworkStreamFullRequestReader_onProgress(data) { - if (this.onProgress) { - this.onProgress({ - loaded: data.loaded, - total: data.lengthComputable ? data.total : this._contentLength + fakeWorkerFilesLoadedCapability = (0, _util.createPromiseCapability)(); + var mainWorkerMessageHandler = getMainThreadWorkerMessageHandler(); + if (mainWorkerMessageHandler) { + fakeWorkerFilesLoadedCapability.resolve(mainWorkerMessageHandler); + return fakeWorkerFilesLoadedCapability.promise; + } + var loader = fakeWorkerFilesLoader || function () { + return (0, _dom_utils.loadScript)(getWorkerSrc()).then(function () { + return window.pdfjsWorker.WorkerMessageHandler; }); + }; + loader().then(fakeWorkerFilesLoadedCapability.resolve, fakeWorkerFilesLoadedCapability.reject); + return fakeWorkerFilesLoadedCapability.promise; + } + function createCDNWrapper(url) { + var wrapper = 'importScripts(\'' + url + '\');'; + return _util.URL.createObjectURL(new Blob([wrapper])); + } + var pdfWorkerPorts = new WeakMap(); + function PDFWorker() { + var _ref2 = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {}, + _ref2$name = _ref2.name, + name = _ref2$name === undefined ? null : _ref2$name, + _ref2$port = _ref2.port, + port = _ref2$port === undefined ? null : _ref2$port, + _ref2$postMessageTran = _ref2.postMessageTransfers, + postMessageTransfers = _ref2$postMessageTran === undefined ? true : _ref2$postMessageTran, + _ref2$verbosity = _ref2.verbosity, + verbosity = _ref2$verbosity === undefined ? (0, _util.getVerbosityLevel)() : _ref2$verbosity; + + if (port && pdfWorkerPorts.has(port)) { + throw new Error('Cannot use more than one PDFWorker per port'); } - }, - get isRangeSupported() { - return this._isRangeSupported; - }, - get isStreamingSupported() { - return this._isStreamingSupported; - }, - get contentLength() { - return this._contentLength; - }, - get headersReady() { - return this._headersReceivedCapability.promise; - }, - read: function PDFNetworkStreamFullRequestReader_read() { - if (this._storedError) { - return Promise.reject(this._storedError); + this.name = name; + this.destroyed = false; + this.postMessageTransfers = postMessageTransfers !== false; + this.verbosity = verbosity; + this._readyCapability = (0, _util.createPromiseCapability)(); + this._port = null; + this._webWorker = null; + this._messageHandler = null; + if (port) { + pdfWorkerPorts.set(port, this); + this._initializeFromPort(port); + return; } - if (this._cachedChunks.length > 0) { - var chunk = this._cachedChunks.shift(); - return Promise.resolve({ - value: chunk, - done: false + this._initialize(); + } + PDFWorker.prototype = { + get promise() { + return this._readyCapability.promise; + }, + get port() { + return this._port; + }, + get messageHandler() { + return this._messageHandler; + }, + _initializeFromPort: function PDFWorker_initializeFromPort(port) { + this._port = port; + this._messageHandler = new _message_handler.MessageHandler('main', 'worker', port); + this._messageHandler.on('ready', function () {}); + this._readyCapability.resolve(); + }, + _initialize: function PDFWorker_initialize() { + var _this6 = this; + + if (typeof Worker !== 'undefined' && !isWorkerDisabled && !getMainThreadWorkerMessageHandler()) { + var workerSrc = getWorkerSrc(); + try { + if (!(0, _util.isSameOrigin)(window.location.href, workerSrc)) { + workerSrc = createCDNWrapper(new _util.URL(workerSrc, window.location).href); + } + var worker = new Worker(workerSrc); + var messageHandler = new _message_handler.MessageHandler('main', 'worker', worker); + var terminateEarly = function terminateEarly() { + worker.removeEventListener('error', onWorkerError); + messageHandler.destroy(); + worker.terminate(); + if (_this6.destroyed) { + _this6._readyCapability.reject(new Error('Worker was destroyed')); + } else { + _this6._setupFakeWorker(); + } + }; + var onWorkerError = function onWorkerError() { + if (!_this6._webWorker) { + terminateEarly(); + } + }; + worker.addEventListener('error', onWorkerError); + messageHandler.on('test', function (data) { + worker.removeEventListener('error', onWorkerError); + if (_this6.destroyed) { + terminateEarly(); + return; + } + if (data && data.supportTypedArray) { + _this6._messageHandler = messageHandler; + _this6._port = worker; + _this6._webWorker = worker; + if (!data.supportTransfers) { + _this6.postMessageTransfers = false; + } + _this6._readyCapability.resolve(); + messageHandler.send('configure', { verbosity: _this6.verbosity }); + } else { + _this6._setupFakeWorker(); + messageHandler.destroy(); + worker.terminate(); + } + }); + messageHandler.on('ready', function (data) { + worker.removeEventListener('error', onWorkerError); + if (_this6.destroyed) { + terminateEarly(); + return; + } + try { + sendTest(); + } catch (e) { + _this6._setupFakeWorker(); + } + }); + var sendTest = function sendTest() { + var testObj = new Uint8Array([_this6.postMessageTransfers ? 255 : 0]); + try { + messageHandler.send('test', testObj, [testObj.buffer]); + } catch (ex) { + (0, _util.info)('Cannot use postMessage transfers'); + testObj[0] = 0; + messageHandler.send('test', testObj); + } + }; + sendTest(); + return; + } catch (e) { + (0, _util.info)('The worker has been disabled.'); + } + } + this._setupFakeWorker(); + }, + _setupFakeWorker: function PDFWorker_setupFakeWorker() { + var _this7 = this; + + if (!isWorkerDisabled) { + (0, _util.warn)('Setting up fake worker.'); + isWorkerDisabled = true; + } + setupFakeWorkerGlobal().then(function (WorkerMessageHandler) { + if (_this7.destroyed) { + _this7._readyCapability.reject(new Error('Worker was destroyed')); + return; + } + var port = new LoopbackPort(); + _this7._port = port; + var id = 'fake' + nextFakeWorkerId++; + var workerHandler = new _message_handler.MessageHandler(id + '_worker', id, port); + WorkerMessageHandler.setup(workerHandler, port); + var messageHandler = new _message_handler.MessageHandler(id, id + '_worker', port); + _this7._messageHandler = messageHandler; + _this7._readyCapability.resolve(); + }).catch(function (reason) { + _this7._readyCapability.reject(new Error('Setting up fake worker failed: "' + reason.message + '".')); }); + }, + destroy: function PDFWorker_destroy() { + this.destroyed = true; + if (this._webWorker) { + this._webWorker.terminate(); + this._webWorker = null; + } + pdfWorkerPorts.delete(this._port); + this._port = null; + if (this._messageHandler) { + this._messageHandler.destroy(); + this._messageHandler = null; + } } - if (this._done) { - return Promise.resolve({ - value: undefined, - done: true - }); + }; + PDFWorker.fromPort = function (params) { + if (!params || !params.port) { + throw new Error('PDFWorker.fromPort - invalid method signature.'); } - var requestCapability = (0, _util.createPromiseCapability)(); - this._requests.push(requestCapability); - return requestCapability.promise; - }, - cancel: function PDFNetworkStreamFullRequestReader_cancel(reason) { - this._done = true; - this._headersReceivedCapability.reject(reason); - this._requests.forEach(function (requestCapability) { - requestCapability.resolve({ - value: undefined, - done: true - }); + if (pdfWorkerPorts.has(params.port)) { + return pdfWorkerPorts.get(params.port); + } + return new PDFWorker(params); + }; + PDFWorker.getWorkerSrc = function () { + return getWorkerSrc(); + }; + return PDFWorker; +}(); + +var WorkerTransport = function () { + function WorkerTransport(messageHandler, loadingTask, networkStream, params) { + _classCallCheck(this, WorkerTransport); + + this.messageHandler = messageHandler; + this.loadingTask = loadingTask; + this.commonObjs = new PDFObjects(); + this.fontLoader = new _font_loader.FontLoader(loadingTask.docId); + this._params = params; + this.CMapReaderFactory = new params.CMapReaderFactory({ + baseUrl: params.cMapUrl, + isCompressed: params.cMapPacked }); - this._requests = []; - if (this._manager.isPendingRequest(this._fullRequestId)) { - this._manager.abortRequest(this._fullRequestId); + this.destroyed = false; + this.destroyCapability = null; + this._passwordCapability = null; + this._networkStream = networkStream; + this._fullReader = null; + this._lastProgress = null; + this.pageCache = []; + this.pagePromises = []; + this.downloadInfoCapability = (0, _util.createPromiseCapability)(); + this.setupMessageHandler(); + } + + _createClass(WorkerTransport, [{ + key: 'destroy', + value: function destroy() { + var _this8 = this; + + if (this.destroyCapability) { + return this.destroyCapability.promise; + } + this.destroyed = true; + this.destroyCapability = (0, _util.createPromiseCapability)(); + if (this._passwordCapability) { + this._passwordCapability.reject(new Error('Worker was destroyed during onPassword callback')); + } + var waitOn = []; + this.pageCache.forEach(function (page) { + if (page) { + waitOn.push(page._destroy()); + } + }); + this.pageCache = []; + this.pagePromises = []; + var terminated = this.messageHandler.sendWithPromise('Terminate', null); + waitOn.push(terminated); + Promise.all(waitOn).then(function () { + _this8.fontLoader.clear(); + if (_this8._networkStream) { + _this8._networkStream.cancelAllRequests(); + } + if (_this8.messageHandler) { + _this8.messageHandler.destroy(); + _this8.messageHandler = null; + } + _this8.destroyCapability.resolve(); + }, this.destroyCapability.reject); + return this.destroyCapability.promise; + } + }, { + key: 'setupMessageHandler', + value: function setupMessageHandler() { + var messageHandler = this.messageHandler, + loadingTask = this.loadingTask; + + messageHandler.on('GetReader', function (data, sink) { + var _this9 = this; + + (0, _util.assert)(this._networkStream); + this._fullReader = this._networkStream.getFullReader(); + this._fullReader.onProgress = function (evt) { + _this9._lastProgress = { + loaded: evt.loaded, + total: evt.total + }; + }; + sink.onPull = function () { + _this9._fullReader.read().then(function (_ref3) { + var value = _ref3.value, + done = _ref3.done; + + if (done) { + sink.close(); + return; + } + (0, _util.assert)((0, _util.isArrayBuffer)(value)); + sink.enqueue(new Uint8Array(value), 1, [value]); + }).catch(function (reason) { + sink.error(reason); + }); + }; + sink.onCancel = function (reason) { + _this9._fullReader.cancel(reason); + }; + }, this); + messageHandler.on('ReaderHeadersReady', function (data) { + var _this10 = this; + + var headersCapability = (0, _util.createPromiseCapability)(); + var fullReader = this._fullReader; + fullReader.headersReady.then(function () { + if (!fullReader.isStreamingSupported || !fullReader.isRangeSupported) { + if (_this10._lastProgress && loadingTask.onProgress) { + loadingTask.onProgress(_this10._lastProgress); + } + fullReader.onProgress = function (evt) { + if (loadingTask.onProgress) { + loadingTask.onProgress({ + loaded: evt.loaded, + total: evt.total + }); + } + }; + } + headersCapability.resolve({ + isStreamingSupported: fullReader.isStreamingSupported, + isRangeSupported: fullReader.isRangeSupported, + contentLength: fullReader.contentLength + }); + }, headersCapability.reject); + return headersCapability.promise; + }, this); + messageHandler.on('GetRangeReader', function (data, sink) { + (0, _util.assert)(this._networkStream); + var rangeReader = this._networkStream.getRangeReader(data.begin, data.end); + sink.onPull = function () { + rangeReader.read().then(function (_ref4) { + var value = _ref4.value, + done = _ref4.done; + + if (done) { + sink.close(); + return; + } + (0, _util.assert)((0, _util.isArrayBuffer)(value)); + sink.enqueue(new Uint8Array(value), 1, [value]); + }).catch(function (reason) { + sink.error(reason); + }); + }; + sink.onCancel = function (reason) { + rangeReader.cancel(reason); + }; + }, this); + messageHandler.on('GetDoc', function (_ref5) { + var pdfInfo = _ref5.pdfInfo; + + this.numPages = pdfInfo.numPages; + this.pdfDocument = new PDFDocumentProxy(pdfInfo, this, loadingTask); + loadingTask._capability.resolve(this.pdfDocument); + }, this); + messageHandler.on('PasswordRequest', function (exception) { + var _this11 = this; + + this._passwordCapability = (0, _util.createPromiseCapability)(); + if (loadingTask.onPassword) { + var updatePassword = function updatePassword(password) { + _this11._passwordCapability.resolve({ password: password }); + }; + try { + loadingTask.onPassword(updatePassword, exception.code); + } catch (ex) { + this._passwordCapability.reject(ex); + } + } else { + this._passwordCapability.reject(new _util.PasswordException(exception.message, exception.code)); + } + return this._passwordCapability.promise; + }, this); + messageHandler.on('PasswordException', function (exception) { + loadingTask._capability.reject(new _util.PasswordException(exception.message, exception.code)); + }, this); + messageHandler.on('InvalidPDF', function (exception) { + loadingTask._capability.reject(new _util.InvalidPDFException(exception.message)); + }, this); + messageHandler.on('MissingPDF', function (exception) { + loadingTask._capability.reject(new _util.MissingPDFException(exception.message)); + }, this); + messageHandler.on('UnexpectedResponse', function (exception) { + loadingTask._capability.reject(new _util.UnexpectedResponseException(exception.message, exception.status)); + }, this); + messageHandler.on('UnknownError', function (exception) { + loadingTask._capability.reject(new _util.UnknownErrorException(exception.message, exception.details)); + }, this); + messageHandler.on('DataLoaded', function (data) { + if (loadingTask.onProgress) { + loadingTask.onProgress({ + loaded: data.length, + total: data.length + }); + } + this.downloadInfoCapability.resolve(data); + }, this); + messageHandler.on('StartRenderPage', function (data) { + if (this.destroyed) { + return; + } + var page = this.pageCache[data.pageIndex]; + page._stats.timeEnd('Page Request'); + page._startRenderPage(data.transparency, data.intent); + }, this); + messageHandler.on('RenderPageChunk', function (data) { + if (this.destroyed) { + return; + } + var page = this.pageCache[data.pageIndex]; + page._renderPageChunk(data.operatorList, data.intent); + }, this); + messageHandler.on('commonobj', function (data) { + var _this12 = this; + + if (this.destroyed) { + return; + } + + var _data = _slicedToArray(data, 3), + id = _data[0], + type = _data[1], + exportedData = _data[2]; + + if (this.commonObjs.hasData(id)) { + return; + } + switch (type) { + case 'Font': + var params = this._params; + if ('error' in exportedData) { + var exportedError = exportedData.error; + (0, _util.warn)('Error during font loading: ' + exportedError); + this.commonObjs.resolve(id, exportedError); + break; + } + var fontRegistry = null; + if (params.pdfBug && _global_scope2.default.FontInspector && _global_scope2.default.FontInspector.enabled) { + fontRegistry = { + registerFont: function registerFont(font, url) { + _global_scope2.default['FontInspector'].fontAdded(font, url); + } + }; + } + var font = new _font_loader.FontFaceObject(exportedData, { + isEvalSupported: params.isEvalSupported, + disableFontFace: params.disableFontFace, + ignoreErrors: params.ignoreErrors, + onUnsupportedFeature: this._onUnsupportedFeature.bind(this), + fontRegistry: fontRegistry + }); + var fontReady = function fontReady(fontObjs) { + _this12.commonObjs.resolve(id, font); + }; + this.fontLoader.bind([font], fontReady); + break; + case 'FontPath': + this.commonObjs.resolve(id, exportedData); + break; + default: + throw new Error('Got unknown common object type ' + type); + } + }, this); + messageHandler.on('obj', function (data) { + if (this.destroyed) { + return; + } + + var _data2 = _slicedToArray(data, 4), + id = _data2[0], + pageIndex = _data2[1], + type = _data2[2], + imageData = _data2[3]; + + var pageProxy = this.pageCache[pageIndex]; + if (pageProxy.objs.hasData(id)) { + return; + } + switch (type) { + case 'JpegStream': + return new Promise(function (resolve, reject) { + var img = new Image(); + img.onload = function () { + resolve(img); + }; + img.onerror = function () { + reject(new Error('Error during JPEG image loading')); + }; + img.src = imageData; + }).then(function (img) { + pageProxy.objs.resolve(id, img); + }); + case 'Image': + pageProxy.objs.resolve(id, imageData); + var MAX_IMAGE_SIZE_TO_STORE = 8000000; + if (imageData && 'data' in imageData && imageData.data.length > MAX_IMAGE_SIZE_TO_STORE) { + pageProxy.cleanupAfterRender = true; + } + break; + default: + throw new Error('Got unknown object type ' + type); + } + }, this); + messageHandler.on('DocProgress', function (data) { + if (this.destroyed) { + return; + } + if (loadingTask.onProgress) { + loadingTask.onProgress({ + loaded: data.loaded, + total: data.total + }); + } + }, this); + messageHandler.on('PageError', function (data) { + if (this.destroyed) { + return; + } + var page = this.pageCache[data.pageNum - 1]; + var intentState = page.intentStates[data.intent]; + if (intentState.displayReadyCapability) { + intentState.displayReadyCapability.reject(data.error); + } else { + throw new Error(data.error); + } + if (intentState.operatorList) { + intentState.operatorList.lastChunk = true; + for (var i = 0; i < intentState.renderTasks.length; i++) { + intentState.renderTasks[i].operatorListChanged(); + } + } + }, this); + messageHandler.on('UnsupportedFeature', this._onUnsupportedFeature, this); + messageHandler.on('JpegDecode', function (data) { + if (this.destroyed) { + return Promise.reject(new Error('Worker was destroyed')); + } + if (typeof document === 'undefined') { + return Promise.reject(new Error('"document" is not defined.')); + } + + var _data3 = _slicedToArray(data, 2), + imageUrl = _data3[0], + components = _data3[1]; + + if (components !== 3 && components !== 1) { + return Promise.reject(new Error('Only 3 components or 1 component can be returned')); + } + return new Promise(function (resolve, reject) { + var img = new Image(); + img.onload = function () { + var width = img.width; + var height = img.height; + var size = width * height; + var rgbaLength = size * 4; + var buf = new Uint8ClampedArray(size * components); + var tmpCanvas = document.createElement('canvas'); + tmpCanvas.width = width; + tmpCanvas.height = height; + var tmpCtx = tmpCanvas.getContext('2d'); + tmpCtx.drawImage(img, 0, 0); + var data = tmpCtx.getImageData(0, 0, width, height).data; + if (components === 3) { + for (var i = 0, j = 0; i < rgbaLength; i += 4, j += 3) { + buf[j] = data[i]; + buf[j + 1] = data[i + 1]; + buf[j + 2] = data[i + 2]; + } + } else if (components === 1) { + for (var _i = 0, _j = 0; _i < rgbaLength; _i += 4, _j++) { + buf[_j] = data[_i]; + } + } + resolve({ + data: buf, + width: width, + height: height + }); + }; + img.onerror = function () { + reject(new Error('JpegDecode failed to load image')); + }; + img.src = imageUrl; + }); + }, this); + messageHandler.on('FetchBuiltInCMap', function (data) { + if (this.destroyed) { + return Promise.reject(new Error('Worker was destroyed')); + } + return this.CMapReaderFactory.fetch({ name: data.name }); + }, this); } - this._fullRequestReader = null; - } -}; -function PDFNetworkStreamRangeRequestReader(manager, begin, end) { - this._manager = manager; - var args = { - onDone: this._onDone.bind(this), - onProgress: this._onProgress.bind(this) - }; - this._requestId = manager.requestRange(begin, end, args); - this._requests = []; - this._queuedChunk = null; - this._done = false; - this.onProgress = null; - this.onClosed = null; -} -PDFNetworkStreamRangeRequestReader.prototype = { - _close: function PDFNetworkStreamRangeRequestReader_close() { - if (this.onClosed) { - this.onClosed(this); + }, { + key: '_onUnsupportedFeature', + value: function _onUnsupportedFeature(_ref6) { + var featureId = _ref6.featureId; + + if (this.destroyed) { + return; + } + if (this.loadingTask.onUnsupportedFeature) { + this.loadingTask.onUnsupportedFeature(featureId); + } } - }, - _onDone: function PDFNetworkStreamRangeRequestReader_onDone(data) { - var chunk = data.chunk; - if (this._requests.length > 0) { - var requestCapability = this._requests.shift(); - requestCapability.resolve({ - value: chunk, - done: false - }); - } else { - this._queuedChunk = chunk; + }, { + key: 'getData', + value: function getData() { + return this.messageHandler.sendWithPromise('GetData', null); } - this._done = true; - this._requests.forEach(function (requestCapability) { - requestCapability.resolve({ - value: undefined, - done: true + }, { + key: 'getPage', + value: function getPage(pageNumber) { + var _this13 = this; + + if (!Number.isInteger(pageNumber) || pageNumber <= 0 || pageNumber > this.numPages) { + return Promise.reject(new Error('Invalid page request')); + } + var pageIndex = pageNumber - 1; + if (pageIndex in this.pagePromises) { + return this.pagePromises[pageIndex]; + } + var promise = this.messageHandler.sendWithPromise('GetPage', { pageIndex: pageIndex }).then(function (pageInfo) { + if (_this13.destroyed) { + throw new Error('Transport destroyed'); + } + var page = new PDFPageProxy(pageIndex, pageInfo, _this13, _this13._params.pdfBug); + _this13.pageCache[pageIndex] = page; + return page; }); - }); - this._requests = []; - this._close(); - }, - _onProgress: function PDFNetworkStreamRangeRequestReader_onProgress(evt) { - if (!this.isStreamingSupported && this.onProgress) { - this.onProgress({ loaded: evt.loaded }); + this.pagePromises[pageIndex] = promise; + return promise; } - }, - get isStreamingSupported() { - return false; - }, - read: function PDFNetworkStreamRangeRequestReader_read() { - if (this._queuedChunk !== null) { - var chunk = this._queuedChunk; - this._queuedChunk = null; - return Promise.resolve({ - value: chunk, - done: false + }, { + key: 'getPageIndex', + value: function getPageIndex(ref) { + return this.messageHandler.sendWithPromise('GetPageIndex', { ref: ref }).catch(function (reason) { + return Promise.reject(new Error(reason)); }); } - if (this._done) { - return Promise.resolve({ - value: undefined, - done: true + }, { + key: 'getAnnotations', + value: function getAnnotations(pageIndex, intent) { + return this.messageHandler.sendWithPromise('GetAnnotations', { + pageIndex: pageIndex, + intent: intent }); } - var requestCapability = (0, _util.createPromiseCapability)(); - this._requests.push(requestCapability); - return requestCapability.promise; - }, - cancel: function PDFNetworkStreamRangeRequestReader_cancel(reason) { - this._done = true; - this._requests.forEach(function (requestCapability) { - requestCapability.resolve({ - value: undefined, - done: true - }); - }); - this._requests = []; - if (this._manager.isPendingRequest(this._requestId)) { - this._manager.abortRequest(this._requestId); + }, { + key: 'getDestinations', + value: function getDestinations() { + return this.messageHandler.sendWithPromise('GetDestinations', null); } - this._close(); - } -}; -(0, _api.setPDFNetworkStreamClass)(PDFNetworkStream); -exports.PDFNetworkStream = PDFNetworkStream; -exports.NetworkManager = NetworkManager; - -/***/ }), -/* 10 */ -/***/ (function(module, exports, __w_pdfjs_require__) { - -"use strict"; - - -var _typeof2 = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; - -(function (e, a) { - for (var i in a) { - e[i] = a[i]; - } -})(exports, function (modules) { - var installedModules = {}; - function __w_pdfjs_require__(moduleId) { - if (installedModules[moduleId]) return installedModules[moduleId].exports; - var module = installedModules[moduleId] = { - i: moduleId, - l: false, - exports: {} - }; - modules[moduleId].call(module.exports, module, module.exports, __w_pdfjs_require__); - module.l = true; - return module.exports; - } - __w_pdfjs_require__.m = modules; - __w_pdfjs_require__.c = installedModules; - __w_pdfjs_require__.i = function (value) { - return value; - }; - __w_pdfjs_require__.d = function (exports, name, getter) { - if (!__w_pdfjs_require__.o(exports, name)) { - Object.defineProperty(exports, name, { - configurable: false, - enumerable: true, - get: getter - }); + }, { + key: 'getDestination', + value: function getDestination(id) { + if (typeof id !== 'string') { + return Promise.reject(new Error('Invalid destination request.')); + } + return this.messageHandler.sendWithPromise('GetDestination', { id: id }); } - }; - __w_pdfjs_require__.n = function (module) { - var getter = module && module.__esModule ? function getDefault() { - return module['default']; - } : function getModuleExports() { - return module; - }; - __w_pdfjs_require__.d(getter, 'a', getter); - return getter; - }; - __w_pdfjs_require__.o = function (object, property) { - return Object.prototype.hasOwnProperty.call(object, property); - }; - __w_pdfjs_require__.p = ""; - return __w_pdfjs_require__(__w_pdfjs_require__.s = 7); -}([function (module, exports, __w_pdfjs_require__) { - "use strict"; - - var _typeof = typeof Symbol === "function" && _typeof2(Symbol.iterator) === "symbol" ? function (obj) { - return typeof obj === 'undefined' ? 'undefined' : _typeof2(obj); - } : function (obj) { - return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj === 'undefined' ? 'undefined' : _typeof2(obj); - }; - var _require = __w_pdfjs_require__(1), - assert = _require.assert; - function IsPropertyKey(argument) { - return typeof argument === 'string' || (typeof argument === 'undefined' ? 'undefined' : _typeof(argument)) === 'symbol'; - } - exports.typeIsObject = function (x) { - return (typeof x === 'undefined' ? 'undefined' : _typeof(x)) === 'object' && x !== null || typeof x === 'function'; - }; - exports.createDataProperty = function (o, p, v) { - assert(exports.typeIsObject(o)); - Object.defineProperty(o, p, { - value: v, - writable: true, - enumerable: true, - configurable: true - }); - }; - exports.createArrayFromList = function (elements) { - return elements.slice(); - }; - exports.ArrayBufferCopy = function (dest, destOffset, src, srcOffset, n) { - new Uint8Array(dest).set(new Uint8Array(src, srcOffset, n), destOffset); - }; - exports.CreateIterResultObject = function (value, done) { - assert(typeof done === 'boolean'); - var obj = {}; - Object.defineProperty(obj, 'value', { - value: value, - enumerable: true, - writable: true, - configurable: true - }); - Object.defineProperty(obj, 'done', { - value: done, - enumerable: true, - writable: true, - configurable: true - }); - return obj; - }; - exports.IsFiniteNonNegativeNumber = function (v) { - if (Number.isNaN(v)) { - return false; + }, { + key: 'getPageLabels', + value: function getPageLabels() { + return this.messageHandler.sendWithPromise('GetPageLabels', null); } - if (v === Infinity) { - return false; + }, { + key: 'getPageMode', + value: function getPageMode() { + return this.messageHandler.sendWithPromise('GetPageMode', null); } - if (v < 0) { - return false; + }, { + key: 'getAttachments', + value: function getAttachments() { + return this.messageHandler.sendWithPromise('GetAttachments', null); } - return true; - }; - function Call(F, V, args) { - if (typeof F !== 'function') { - throw new TypeError('Argument is not a function'); + }, { + key: 'getJavaScript', + value: function getJavaScript() { + return this.messageHandler.sendWithPromise('GetJavaScript', null); } - return Function.prototype.apply.call(F, V, args); - } - exports.InvokeOrNoop = function (O, P, args) { - assert(O !== undefined); - assert(IsPropertyKey(P)); - assert(Array.isArray(args)); - var method = O[P]; - if (method === undefined) { - return undefined; + }, { + key: 'getOutline', + value: function getOutline() { + return this.messageHandler.sendWithPromise('GetOutline', null); + } + }, { + key: 'getPermissions', + value: function getPermissions() { + return this.messageHandler.sendWithPromise('GetPermissions', null); + } + }, { + key: 'getMetadata', + value: function getMetadata() { + var _this14 = this; + + return this.messageHandler.sendWithPromise('GetMetadata', null).then(function (results) { + return { + info: results[0], + metadata: results[1] ? new _metadata.Metadata(results[1]) : null, + contentDispositionFilename: _this14._fullReader ? _this14._fullReader.filename : null + }; + }); } - return Call(method, O, args); - }; - exports.PromiseInvokeOrNoop = function (O, P, args) { - assert(O !== undefined); - assert(IsPropertyKey(P)); - assert(Array.isArray(args)); - try { - return Promise.resolve(exports.InvokeOrNoop(O, P, args)); - } catch (returnValueE) { - return Promise.reject(returnValueE); + }, { + key: 'getStats', + value: function getStats() { + return this.messageHandler.sendWithPromise('GetStats', null); } - }; - exports.PromiseInvokeOrPerformFallback = function (O, P, args, F, argsF) { - assert(O !== undefined); - assert(IsPropertyKey(P)); - assert(Array.isArray(args)); - assert(Array.isArray(argsF)); - var method = void 0; - try { - method = O[P]; - } catch (methodE) { - return Promise.reject(methodE); + }, { + key: 'startCleanup', + value: function startCleanup() { + var _this15 = this; + + this.messageHandler.sendWithPromise('Cleanup', null).then(function () { + for (var i = 0, ii = _this15.pageCache.length; i < ii; i++) { + var page = _this15.pageCache[i]; + if (page) { + page.cleanup(); + } + } + _this15.commonObjs.clear(); + _this15.fontLoader.clear(); + }); } - if (method === undefined) { - return F.apply(null, argsF); + }, { + key: 'loadingParams', + get: function get() { + var params = this._params; + return (0, _util.shadow)(this, 'loadingParams', { + disableAutoFetch: params.disableAutoFetch, + disableCreateObjectURL: params.disableCreateObjectURL, + disableFontFace: params.disableFontFace, + nativeImageDecoderSupport: params.nativeImageDecoderSupport + }); } - try { - return Promise.resolve(Call(method, O, args)); - } catch (e) { - return Promise.reject(e); + }]); + + return WorkerTransport; +}(); + +var PDFObjects = function PDFObjectsClosure() { + function PDFObjects() { + this.objs = Object.create(null); + } + PDFObjects.prototype = { + ensureObj: function PDFObjects_ensureObj(objId) { + if (this.objs[objId]) { + return this.objs[objId]; + } + var obj = { + capability: (0, _util.createPromiseCapability)(), + data: null, + resolved: false + }; + this.objs[objId] = obj; + return obj; + }, + get: function PDFObjects_get(objId, callback) { + if (callback) { + this.ensureObj(objId).capability.promise.then(callback); + return null; + } + var obj = this.objs[objId]; + if (!obj || !obj.resolved) { + throw new Error('Requesting object that isn\'t resolved yet ' + objId); + } + return obj.data; + }, + resolve: function PDFObjects_resolve(objId, data) { + var obj = this.ensureObj(objId); + obj.resolved = true; + obj.data = data; + obj.capability.resolve(data); + }, + isResolved: function PDFObjects_isResolved(objId) { + var objs = this.objs; + if (!objs[objId]) { + return false; + } + return objs[objId].resolved; + }, + hasData: function PDFObjects_hasData(objId) { + return this.isResolved(objId); + }, + getData: function PDFObjects_getData(objId) { + var objs = this.objs; + if (!objs[objId] || !objs[objId].resolved) { + return null; + } + return objs[objId].data; + }, + clear: function PDFObjects_clear() { + this.objs = Object.create(null); } }; - exports.TransferArrayBuffer = function (O) { - return O.slice(); - }; - exports.ValidateAndNormalizeHighWaterMark = function (highWaterMark) { - highWaterMark = Number(highWaterMark); - if (Number.isNaN(highWaterMark) || highWaterMark < 0) { - throw new RangeError('highWaterMark property of a queuing strategy must be non-negative and non-NaN'); + return PDFObjects; +}(); +var RenderTask = function RenderTaskClosure() { + function RenderTask(internalRenderTask) { + this._internalRenderTask = internalRenderTask; + this.onContinue = null; + } + RenderTask.prototype = { + get promise() { + return this._internalRenderTask.capability.promise; + }, + cancel: function RenderTask_cancel() { + this._internalRenderTask.cancel(); + }, + then: function RenderTask_then(onFulfilled, onRejected) { + return this.promise.then.apply(this.promise, arguments); } - return highWaterMark; }; - exports.ValidateAndNormalizeQueuingStrategy = function (size, highWaterMark) { - if (size !== undefined && typeof size !== 'function') { - throw new TypeError('size property of a queuing strategy must be a function'); + return RenderTask; +}(); +var InternalRenderTask = function InternalRenderTaskClosure() { + var canvasInRendering = new WeakMap(); + function InternalRenderTask(callback, params, objs, commonObjs, operatorList, pageNumber, canvasFactory, webGLContext) { + var pdfBug = arguments.length > 8 && arguments[8] !== undefined ? arguments[8] : false; + + this.callback = callback; + this.params = params; + this.objs = objs; + this.commonObjs = commonObjs; + this.operatorListIdx = null; + this.operatorList = operatorList; + this.pageNumber = pageNumber; + this.canvasFactory = canvasFactory; + this.webGLContext = webGLContext; + this._pdfBug = pdfBug; + this.running = false; + this.graphicsReadyCallback = null; + this.graphicsReady = false; + this.useRequestAnimationFrame = false; + this.cancelled = false; + this.capability = (0, _util.createPromiseCapability)(); + this.task = new RenderTask(this); + this._continueBound = this._continue.bind(this); + this._scheduleNextBound = this._scheduleNext.bind(this); + this._nextBound = this._next.bind(this); + this._canvas = params.canvasContext.canvas; + } + InternalRenderTask.prototype = { + initializeGraphics: function initializeGraphics(transparency) { + if (this.cancelled) { + return; + } + if (this._canvas) { + if (canvasInRendering.has(this._canvas)) { + throw new Error('Cannot use the same canvas during multiple render() operations. ' + 'Use different canvas or ensure previous operations were ' + 'cancelled or completed.'); + } + canvasInRendering.set(this._canvas, this); + } + if (this._pdfBug && _global_scope2.default.StepperManager && _global_scope2.default.StepperManager.enabled) { + this.stepper = _global_scope2.default.StepperManager.create(this.pageNumber - 1); + this.stepper.init(this.operatorList); + this.stepper.nextBreakPoint = this.stepper.getNextBreakPoint(); + } + var params = this.params; + this.gfx = new _canvas.CanvasGraphics(params.canvasContext, this.commonObjs, this.objs, this.canvasFactory, this.webGLContext, params.imageLayer); + this.gfx.beginDrawing({ + transform: params.transform, + viewport: params.viewport, + transparency: transparency, + background: params.background + }); + this.operatorListIdx = 0; + this.graphicsReady = true; + if (this.graphicsReadyCallback) { + this.graphicsReadyCallback(); + } + }, + + cancel: function InternalRenderTask_cancel() { + this.running = false; + this.cancelled = true; + if (this._canvas) { + canvasInRendering.delete(this._canvas); + } + this.callback(new _dom_utils.RenderingCancelledException('Rendering cancelled, page ' + this.pageNumber, 'canvas')); + }, + operatorListChanged: function InternalRenderTask_operatorListChanged() { + if (!this.graphicsReady) { + if (!this.graphicsReadyCallback) { + this.graphicsReadyCallback = this._continueBound; + } + return; + } + if (this.stepper) { + this.stepper.updateOperatorList(this.operatorList); + } + if (this.running) { + return; + } + this._continue(); + }, + _continue: function InternalRenderTask__continue() { + this.running = true; + if (this.cancelled) { + return; + } + if (this.task.onContinue) { + this.task.onContinue(this._scheduleNextBound); + } else { + this._scheduleNext(); + } + }, + _scheduleNext: function InternalRenderTask__scheduleNext() { + var _this16 = this; + + if (this.useRequestAnimationFrame && typeof window !== 'undefined') { + window.requestAnimationFrame(function () { + _this16._nextBound().catch(_this16.callback); + }); + } else { + Promise.resolve().then(this._nextBound).catch(this.callback); + } + }, + _next: function InternalRenderTask__next() { + var _this17 = this; + + return new Promise(function () { + if (_this17.cancelled) { + return; + } + _this17.operatorListIdx = _this17.gfx.executeOperatorList(_this17.operatorList, _this17.operatorListIdx, _this17._continueBound, _this17.stepper); + if (_this17.operatorListIdx === _this17.operatorList.argsArray.length) { + _this17.running = false; + if (_this17.operatorList.lastChunk) { + _this17.gfx.endDrawing(); + if (_this17._canvas) { + canvasInRendering.delete(_this17._canvas); + } + _this17.callback(); + } + } + }); } - highWaterMark = exports.ValidateAndNormalizeHighWaterMark(highWaterMark); - return { - size: size, - highWaterMark: highWaterMark - }; }; -}, function (module, exports, __w_pdfjs_require__) { - "use strict"; + return InternalRenderTask; +}(); +var version, build; +{ + exports.version = version = '2.0.943'; + exports.build = build = 'dc98bf76'; +} +exports.getDocument = getDocument; +exports.LoopbackPort = LoopbackPort; +exports.PDFDataRangeTransport = PDFDataRangeTransport; +exports.PDFWorker = PDFWorker; +exports.PDFDocumentProxy = PDFDocumentProxy; +exports.PDFPageProxy = PDFPageProxy; +exports.setPDFNetworkStreamFactory = setPDFNetworkStreamFactory; +exports.version = version; +exports.build = build; + +/***/ }), +/* 130 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +Object.defineProperty(exports, "__esModule", { + value: true +}); +exports.loadScript = exports.DummyStatTimer = exports.StatTimer = exports.DOMSVGFactory = exports.DOMCMapReaderFactory = exports.DOMCanvasFactory = exports.DEFAULT_LINK_REL = exports.LinkTarget = exports.getFilenameFromUrl = exports.addLinkAttributes = exports.RenderingCancelledException = exports.PageViewport = undefined; + +var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }(); - function rethrowAssertionErrorRejection(e) { - if (e && e.constructor === AssertionError) { - setTimeout(function () { - throw e; - }, 0); - } - } - function AssertionError(message) { - this.name = 'AssertionError'; - this.message = message || ''; - this.stack = new Error().stack; - } - AssertionError.prototype = Object.create(Error.prototype); - AssertionError.prototype.constructor = AssertionError; - function assert(value, message) { - if (!value) { - throw new AssertionError(message); - } +var _util = __w_pdfjs_require__(1); + +function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } + +var DEFAULT_LINK_REL = 'noopener noreferrer nofollow'; +var SVG_NS = 'http://www.w3.org/2000/svg'; + +var DOMCanvasFactory = function () { + function DOMCanvasFactory() { + _classCallCheck(this, DOMCanvasFactory); } - module.exports = { - rethrowAssertionErrorRejection: rethrowAssertionErrorRejection, - AssertionError: AssertionError, - assert: assert - }; -}, function (module, exports, __w_pdfjs_require__) { - "use strict"; - var _createClass = function () { - function defineProperties(target, props) { - for (var i = 0; i < props.length; i++) { - var descriptor = props[i]; - descriptor.enumerable = descriptor.enumerable || false; - descriptor.configurable = true; - if ("value" in descriptor) descriptor.writable = true; - Object.defineProperty(target, descriptor.key, descriptor); + _createClass(DOMCanvasFactory, [{ + key: 'create', + value: function create(width, height) { + if (width <= 0 || height <= 0) { + throw new Error('invalid canvas size'); } + var canvas = document.createElement('canvas'); + var context = canvas.getContext('2d'); + canvas.width = width; + canvas.height = height; + return { + canvas: canvas, + context: context + }; } - return function (Constructor, protoProps, staticProps) { - if (protoProps) defineProperties(Constructor.prototype, protoProps); - if (staticProps) defineProperties(Constructor, staticProps); - return Constructor; - }; - }(); - function _classCallCheck(instance, Constructor) { - if (!(instance instanceof Constructor)) { - throw new TypeError("Cannot call a class as a function"); + }, { + key: 'reset', + value: function reset(canvasAndContext, width, height) { + if (!canvasAndContext.canvas) { + throw new Error('canvas is not specified'); + } + if (width <= 0 || height <= 0) { + throw new Error('invalid canvas size'); + } + canvasAndContext.canvas.width = width; + canvasAndContext.canvas.height = height; } - } - var _require = __w_pdfjs_require__(0), - InvokeOrNoop = _require.InvokeOrNoop, - PromiseInvokeOrNoop = _require.PromiseInvokeOrNoop, - ValidateAndNormalizeQueuingStrategy = _require.ValidateAndNormalizeQueuingStrategy, - typeIsObject = _require.typeIsObject; - var _require2 = __w_pdfjs_require__(1), - assert = _require2.assert, - rethrowAssertionErrorRejection = _require2.rethrowAssertionErrorRejection; - var _require3 = __w_pdfjs_require__(3), - DequeueValue = _require3.DequeueValue, - EnqueueValueWithSize = _require3.EnqueueValueWithSize, - PeekQueueValue = _require3.PeekQueueValue, - ResetQueue = _require3.ResetQueue; - var WritableStream = function () { - function WritableStream() { - var underlyingSink = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {}; - var _ref = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {}, - size = _ref.size, - _ref$highWaterMark = _ref.highWaterMark, - highWaterMark = _ref$highWaterMark === undefined ? 1 : _ref$highWaterMark; - _classCallCheck(this, WritableStream); - this._state = 'writable'; - this._storedError = undefined; - this._writer = undefined; - this._writableStreamController = undefined; - this._writeRequests = []; - this._inFlightWriteRequest = undefined; - this._closeRequest = undefined; - this._inFlightCloseRequest = undefined; - this._pendingAbortRequest = undefined; - this._backpressure = false; - var type = underlyingSink.type; - if (type !== undefined) { - throw new RangeError('Invalid type is specified'); + }, { + key: 'destroy', + value: function destroy(canvasAndContext) { + if (!canvasAndContext.canvas) { + throw new Error('canvas is not specified'); } - this._writableStreamController = new WritableStreamDefaultController(this, underlyingSink, size, highWaterMark); - this._writableStreamController.__startSteps(); + canvasAndContext.canvas.width = 0; + canvasAndContext.canvas.height = 0; + canvasAndContext.canvas = null; + canvasAndContext.context = null; } - _createClass(WritableStream, [{ - key: 'abort', - value: function abort(reason) { - if (IsWritableStream(this) === false) { - return Promise.reject(streamBrandCheckException('abort')); - } - if (IsWritableStreamLocked(this) === true) { - return Promise.reject(new TypeError('Cannot abort a stream that already has a writer')); - } - return WritableStreamAbort(this, reason); + }]); + + return DOMCanvasFactory; +}(); + +var DOMCMapReaderFactory = function () { + function DOMCMapReaderFactory(_ref) { + var _ref$baseUrl = _ref.baseUrl, + baseUrl = _ref$baseUrl === undefined ? null : _ref$baseUrl, + _ref$isCompressed = _ref.isCompressed, + isCompressed = _ref$isCompressed === undefined ? false : _ref$isCompressed; + + _classCallCheck(this, DOMCMapReaderFactory); + + this.baseUrl = baseUrl; + this.isCompressed = isCompressed; + } + + _createClass(DOMCMapReaderFactory, [{ + key: 'fetch', + value: function fetch(_ref2) { + var _this = this; + + var name = _ref2.name; + + if (!this.baseUrl) { + return Promise.reject(new Error('The CMap "baseUrl" parameter must be specified, ensure that ' + 'the "cMapUrl" and "cMapPacked" API parameters are provided.')); } - }, { - key: 'getWriter', - value: function getWriter() { - if (IsWritableStream(this) === false) { - throw streamBrandCheckException('getWriter'); - } - return AcquireWritableStreamDefaultWriter(this); + if (!name) { + return Promise.reject(new Error('CMap name must be specified.')); } - }, { - key: 'locked', - get: function get() { - if (IsWritableStream(this) === false) { - throw streamBrandCheckException('locked'); + return new Promise(function (resolve, reject) { + var url = _this.baseUrl + name + (_this.isCompressed ? '.bcmap' : ''); + var request = new XMLHttpRequest(); + request.open('GET', url, true); + if (_this.isCompressed) { + request.responseType = 'arraybuffer'; } - return IsWritableStreamLocked(this); - } - }]); - return WritableStream; - }(); - module.exports = { - AcquireWritableStreamDefaultWriter: AcquireWritableStreamDefaultWriter, - IsWritableStream: IsWritableStream, - IsWritableStreamLocked: IsWritableStreamLocked, - WritableStream: WritableStream, - WritableStreamAbort: WritableStreamAbort, - WritableStreamDefaultControllerError: WritableStreamDefaultControllerError, - WritableStreamDefaultWriterCloseWithErrorPropagation: WritableStreamDefaultWriterCloseWithErrorPropagation, - WritableStreamDefaultWriterRelease: WritableStreamDefaultWriterRelease, - WritableStreamDefaultWriterWrite: WritableStreamDefaultWriterWrite, - WritableStreamCloseQueuedOrInFlight: WritableStreamCloseQueuedOrInFlight - }; - function AcquireWritableStreamDefaultWriter(stream) { - return new WritableStreamDefaultWriter(stream); + request.onreadystatechange = function () { + if (request.readyState !== XMLHttpRequest.DONE) { + return; + } + if (request.status === 200 || request.status === 0) { + var data = void 0; + if (_this.isCompressed && request.response) { + data = new Uint8Array(request.response); + } else if (!_this.isCompressed && request.responseText) { + data = (0, _util.stringToBytes)(request.responseText); + } + if (data) { + resolve({ + cMapData: data, + compressionType: _this.isCompressed ? _util.CMapCompressionType.BINARY : _util.CMapCompressionType.NONE + }); + return; + } + } + reject(new Error('Unable to load ' + (_this.isCompressed ? 'binary ' : '') + 'CMap at: ' + url)); + }; + request.send(null); + }); + } + }]); + + return DOMCMapReaderFactory; +}(); + +var DOMSVGFactory = function () { + function DOMSVGFactory() { + _classCallCheck(this, DOMSVGFactory); } - function IsWritableStream(x) { - if (!typeIsObject(x)) { - return false; + + _createClass(DOMSVGFactory, [{ + key: 'create', + value: function create(width, height) { + (0, _util.assert)(width > 0 && height > 0, 'Invalid SVG dimensions'); + var svg = document.createElementNS(SVG_NS, 'svg:svg'); + svg.setAttribute('version', '1.1'); + svg.setAttribute('width', width + 'px'); + svg.setAttribute('height', height + 'px'); + svg.setAttribute('preserveAspectRatio', 'none'); + svg.setAttribute('viewBox', '0 0 ' + width + ' ' + height); + return svg; + } + }, { + key: 'createElement', + value: function createElement(type) { + (0, _util.assert)(typeof type === 'string', 'Invalid SVG element type'); + return document.createElementNS(SVG_NS, type); + } + }]); + + return DOMSVGFactory; +}(); + +var PageViewport = function () { + function PageViewport(_ref3) { + var viewBox = _ref3.viewBox, + scale = _ref3.scale, + rotation = _ref3.rotation, + _ref3$offsetX = _ref3.offsetX, + offsetX = _ref3$offsetX === undefined ? 0 : _ref3$offsetX, + _ref3$offsetY = _ref3.offsetY, + offsetY = _ref3$offsetY === undefined ? 0 : _ref3$offsetY, + _ref3$dontFlip = _ref3.dontFlip, + dontFlip = _ref3$dontFlip === undefined ? false : _ref3$dontFlip; + + _classCallCheck(this, PageViewport); + + this.viewBox = viewBox; + this.scale = scale; + this.rotation = rotation; + this.offsetX = offsetX; + this.offsetY = offsetY; + var centerX = (viewBox[2] + viewBox[0]) / 2; + var centerY = (viewBox[3] + viewBox[1]) / 2; + var rotateA = void 0, + rotateB = void 0, + rotateC = void 0, + rotateD = void 0; + rotation = rotation % 360; + rotation = rotation < 0 ? rotation + 360 : rotation; + switch (rotation) { + case 180: + rotateA = -1; + rotateB = 0; + rotateC = 0; + rotateD = 1; + break; + case 90: + rotateA = 0; + rotateB = 1; + rotateC = 1; + rotateD = 0; + break; + case 270: + rotateA = 0; + rotateB = -1; + rotateC = -1; + rotateD = 0; + break; + default: + rotateA = 1; + rotateB = 0; + rotateC = 0; + rotateD = -1; + break; } - if (!Object.prototype.hasOwnProperty.call(x, '_writableStreamController')) { - return false; + if (dontFlip) { + rotateC = -rotateC; + rotateD = -rotateD; } - return true; - } - function IsWritableStreamLocked(stream) { - assert(IsWritableStream(stream) === true, 'IsWritableStreamLocked should only be used on known writable streams'); - if (stream._writer === undefined) { - return false; + var offsetCanvasX = void 0, + offsetCanvasY = void 0; + var width = void 0, + height = void 0; + if (rotateA === 0) { + offsetCanvasX = Math.abs(centerY - viewBox[1]) * scale + offsetX; + offsetCanvasY = Math.abs(centerX - viewBox[0]) * scale + offsetY; + width = Math.abs(viewBox[3] - viewBox[1]) * scale; + height = Math.abs(viewBox[2] - viewBox[0]) * scale; + } else { + offsetCanvasX = Math.abs(centerX - viewBox[0]) * scale + offsetX; + offsetCanvasY = Math.abs(centerY - viewBox[1]) * scale + offsetY; + width = Math.abs(viewBox[2] - viewBox[0]) * scale; + height = Math.abs(viewBox[3] - viewBox[1]) * scale; } - return true; + this.transform = [rotateA * scale, rotateB * scale, rotateC * scale, rotateD * scale, offsetCanvasX - rotateA * scale * centerX - rotateC * scale * centerY, offsetCanvasY - rotateB * scale * centerX - rotateD * scale * centerY]; + this.width = width; + this.height = height; } - function WritableStreamAbort(stream, reason) { - var state = stream._state; - if (state === 'closed') { - return Promise.resolve(undefined); - } - if (state === 'errored') { - return Promise.reject(stream._storedError); + + _createClass(PageViewport, [{ + key: 'clone', + value: function clone() { + var _ref4 = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {}, + _ref4$scale = _ref4.scale, + scale = _ref4$scale === undefined ? this.scale : _ref4$scale, + _ref4$rotation = _ref4.rotation, + rotation = _ref4$rotation === undefined ? this.rotation : _ref4$rotation, + _ref4$dontFlip = _ref4.dontFlip, + dontFlip = _ref4$dontFlip === undefined ? false : _ref4$dontFlip; + + return new PageViewport({ + viewBox: this.viewBox.slice(), + scale: scale, + rotation: rotation, + offsetX: this.offsetX, + offsetY: this.offsetY, + dontFlip: dontFlip + }); } - var error = new TypeError('Requested to abort'); - if (stream._pendingAbortRequest !== undefined) { - return Promise.reject(error); + }, { + key: 'convertToViewportPoint', + value: function convertToViewportPoint(x, y) { + return _util.Util.applyTransform([x, y], this.transform); } - assert(state === 'writable' || state === 'erroring', 'state must be writable or erroring'); - var wasAlreadyErroring = false; - if (state === 'erroring') { - wasAlreadyErroring = true; - reason = undefined; + }, { + key: 'convertToViewportRectangle', + value: function convertToViewportRectangle(rect) { + var tl = _util.Util.applyTransform([rect[0], rect[1]], this.transform); + var br = _util.Util.applyTransform([rect[2], rect[3]], this.transform); + return [tl[0], tl[1], br[0], br[1]]; } - var promise = new Promise(function (resolve, reject) { - stream._pendingAbortRequest = { - _resolve: resolve, - _reject: reject, - _reason: reason, - _wasAlreadyErroring: wasAlreadyErroring - }; - }); - if (wasAlreadyErroring === false) { - WritableStreamStartErroring(stream, error); + }, { + key: 'convertToPdfPoint', + value: function convertToPdfPoint(x, y) { + return _util.Util.applyInverseTransform([x, y], this.transform); } - return promise; - } - function WritableStreamAddWriteRequest(stream) { - assert(IsWritableStreamLocked(stream) === true); - assert(stream._state === 'writable'); - var promise = new Promise(function (resolve, reject) { - var writeRequest = { - _resolve: resolve, - _reject: reject - }; - stream._writeRequests.push(writeRequest); - }); - return promise; + }]); + + return PageViewport; +}(); + +var RenderingCancelledException = function RenderingCancelledException() { + function RenderingCancelledException(msg, type) { + this.message = msg; + this.type = type; } - function WritableStreamDealWithRejection(stream, error) { - var state = stream._state; - if (state === 'writable') { - WritableStreamStartErroring(stream, error); - return; - } - assert(state === 'erroring'); - WritableStreamFinishErroring(stream); + RenderingCancelledException.prototype = new Error(); + RenderingCancelledException.prototype.name = 'RenderingCancelledException'; + RenderingCancelledException.constructor = RenderingCancelledException; + return RenderingCancelledException; +}(); +var LinkTarget = { + NONE: 0, + SELF: 1, + BLANK: 2, + PARENT: 3, + TOP: 4 +}; +var LinkTargetStringMap = ['', '_self', '_blank', '_parent', '_top']; +function addLinkAttributes(link) { + var _ref5 = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {}, + url = _ref5.url, + target = _ref5.target, + rel = _ref5.rel; + + link.href = link.title = url ? (0, _util.removeNullCharacters)(url) : ''; + if (url) { + var LinkTargetValues = Object.values(LinkTarget); + var targetIndex = LinkTargetValues.includes(target) ? target : LinkTarget.NONE; + link.target = LinkTargetStringMap[targetIndex]; + link.rel = typeof rel === 'string' ? rel : DEFAULT_LINK_REL; } - function WritableStreamStartErroring(stream, reason) { - assert(stream._storedError === undefined, 'stream._storedError === undefined'); - assert(stream._state === 'writable', 'state must be writable'); - var controller = stream._writableStreamController; - assert(controller !== undefined, 'controller must not be undefined'); - stream._state = 'erroring'; - stream._storedError = reason; - var writer = stream._writer; - if (writer !== undefined) { - WritableStreamDefaultWriterEnsureReadyPromiseRejected(writer, reason); - } - if (WritableStreamHasOperationMarkedInFlight(stream) === false && controller._started === true) { - WritableStreamFinishErroring(stream); - } +} +function getFilenameFromUrl(url) { + var anchor = url.indexOf('#'); + var query = url.indexOf('?'); + var end = Math.min(anchor > 0 ? anchor : url.length, query > 0 ? query : url.length); + return url.substring(url.lastIndexOf('/', end) + 1, end); +} + +var StatTimer = function () { + function StatTimer() { + var enable = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : true; + + _classCallCheck(this, StatTimer); + + this.enabled = !!enable; + this.started = Object.create(null); + this.times = []; } - function WritableStreamFinishErroring(stream) { - assert(stream._state === 'erroring', 'stream._state === erroring'); - assert(WritableStreamHasOperationMarkedInFlight(stream) === false, 'WritableStreamHasOperationMarkedInFlight(stream) === false'); - stream._state = 'errored'; - stream._writableStreamController.__errorSteps(); - var storedError = stream._storedError; - for (var i = 0; i < stream._writeRequests.length; i++) { - var writeRequest = stream._writeRequests[i]; - writeRequest._reject(storedError); + + _createClass(StatTimer, [{ + key: 'time', + value: function time(name) { + if (!this.enabled) { + return; + } + if (name in this.started) { + (0, _util.warn)('Timer is already running for ' + name); + } + this.started[name] = Date.now(); } - stream._writeRequests = []; - if (stream._pendingAbortRequest === undefined) { - WritableStreamRejectCloseAndClosedPromiseIfNeeded(stream); - return; + }, { + key: 'timeEnd', + value: function timeEnd(name) { + if (!this.enabled) { + return; + } + if (!(name in this.started)) { + (0, _util.warn)('Timer has not been started for ' + name); + } + this.times.push({ + 'name': name, + 'start': this.started[name], + 'end': Date.now() + }); + delete this.started[name]; } - var abortRequest = stream._pendingAbortRequest; - stream._pendingAbortRequest = undefined; - if (abortRequest._wasAlreadyErroring === true) { - abortRequest._reject(storedError); - WritableStreamRejectCloseAndClosedPromiseIfNeeded(stream); - return; + }, { + key: 'toString', + value: function toString() { + var times = this.times; + var out = '', + longest = 0; + for (var i = 0, ii = times.length; i < ii; ++i) { + var name = times[i]['name']; + if (name.length > longest) { + longest = name.length; + } + } + for (var _i = 0, _ii = times.length; _i < _ii; ++_i) { + var span = times[_i]; + var duration = span.end - span.start; + out += span['name'].padEnd(longest) + ' ' + duration + 'ms\n'; + } + return out; } - var promise = stream._writableStreamController.__abortSteps(abortRequest._reason); - promise.then(function () { - abortRequest._resolve(); - WritableStreamRejectCloseAndClosedPromiseIfNeeded(stream); - }, function (reason) { - abortRequest._reject(reason); - WritableStreamRejectCloseAndClosedPromiseIfNeeded(stream); - }); - } - function WritableStreamFinishInFlightWrite(stream) { - assert(stream._inFlightWriteRequest !== undefined); - stream._inFlightWriteRequest._resolve(undefined); - stream._inFlightWriteRequest = undefined; + }]); + + return StatTimer; +}(); + +var DummyStatTimer = function () { + function DummyStatTimer() { + _classCallCheck(this, DummyStatTimer); + + (0, _util.unreachable)('Cannot initialize DummyStatTimer.'); } - function WritableStreamFinishInFlightWriteWithError(stream, error) { - assert(stream._inFlightWriteRequest !== undefined); - stream._inFlightWriteRequest._reject(error); - stream._inFlightWriteRequest = undefined; - assert(stream._state === 'writable' || stream._state === 'erroring'); - WritableStreamDealWithRejection(stream, error); + + _createClass(DummyStatTimer, null, [{ + key: 'time', + value: function time(name) {} + }, { + key: 'timeEnd', + value: function timeEnd(name) {} + }, { + key: 'toString', + value: function toString() { + return ''; + } + }]); + + return DummyStatTimer; +}(); + +function loadScript(src) { + return new Promise(function (resolve, reject) { + var script = document.createElement('script'); + script.src = src; + script.onload = resolve; + script.onerror = function () { + reject(new Error('Cannot load script at: ' + script.src)); + }; + (document.head || document.documentElement).appendChild(script); + }); +} +exports.PageViewport = PageViewport; +exports.RenderingCancelledException = RenderingCancelledException; +exports.addLinkAttributes = addLinkAttributes; +exports.getFilenameFromUrl = getFilenameFromUrl; +exports.LinkTarget = LinkTarget; +exports.DEFAULT_LINK_REL = DEFAULT_LINK_REL; +exports.DOMCanvasFactory = DOMCanvasFactory; +exports.DOMCMapReaderFactory = DOMCMapReaderFactory; +exports.DOMSVGFactory = DOMSVGFactory; +exports.StatTimer = StatTimer; +exports.DummyStatTimer = DummyStatTimer; +exports.loadScript = loadScript; + +/***/ }), +/* 131 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +Object.defineProperty(exports, "__esModule", { + value: true +}); +exports.FontLoader = exports.FontFaceObject = undefined; + +var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }(); + +var _util = __w_pdfjs_require__(1); + +function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; } + +function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; } + +function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } + +var BaseFontLoader = function () { + function BaseFontLoader(docId) { + _classCallCheck(this, BaseFontLoader); + + if (this.constructor === BaseFontLoader) { + (0, _util.unreachable)('Cannot initialize BaseFontLoader.'); + } + this.docId = docId; + this.nativeFontFaces = []; + this.styleElement = null; + this.loadingContext = { + requests: [], + nextRequestId: 0 + }; } - function WritableStreamFinishInFlightClose(stream) { - assert(stream._inFlightCloseRequest !== undefined); - stream._inFlightCloseRequest._resolve(undefined); - stream._inFlightCloseRequest = undefined; - var state = stream._state; - assert(state === 'writable' || state === 'erroring'); - if (state === 'erroring') { - stream._storedError = undefined; - if (stream._pendingAbortRequest !== undefined) { - stream._pendingAbortRequest._resolve(); - stream._pendingAbortRequest = undefined; + + _createClass(BaseFontLoader, [{ + key: 'addNativeFontFace', + value: function addNativeFontFace(nativeFontFace) { + this.nativeFontFaces.push(nativeFontFace); + document.fonts.add(nativeFontFace); + } + }, { + key: 'insertRule', + value: function insertRule(rule) { + var styleElement = this.styleElement; + if (!styleElement) { + styleElement = this.styleElement = document.createElement('style'); + styleElement.id = 'PDFJS_FONT_STYLE_TAG_' + this.docId; + document.documentElement.getElementsByTagName('head')[0].appendChild(styleElement); } + var styleSheet = styleElement.sheet; + styleSheet.insertRule(rule, styleSheet.cssRules.length); } - stream._state = 'closed'; - var writer = stream._writer; - if (writer !== undefined) { - defaultWriterClosedPromiseResolve(writer); + }, { + key: 'clear', + value: function clear() { + this.nativeFontFaces.forEach(function (nativeFontFace) { + document.fonts.delete(nativeFontFace); + }); + this.nativeFontFaces.length = 0; + if (this.styleElement) { + this.styleElement.remove(); + this.styleElement = null; + } } - assert(stream._pendingAbortRequest === undefined, 'stream._pendingAbortRequest === undefined'); - assert(stream._storedError === undefined, 'stream._storedError === undefined'); - } - function WritableStreamFinishInFlightCloseWithError(stream, error) { - assert(stream._inFlightCloseRequest !== undefined); - stream._inFlightCloseRequest._reject(error); - stream._inFlightCloseRequest = undefined; - assert(stream._state === 'writable' || stream._state === 'erroring'); - if (stream._pendingAbortRequest !== undefined) { - stream._pendingAbortRequest._reject(error); - stream._pendingAbortRequest = undefined; + }, { + key: 'bind', + value: function bind(fonts, callback) { + var rules = []; + var fontsToLoad = []; + var fontLoadPromises = []; + var getNativeFontPromise = function getNativeFontPromise(nativeFontFace) { + return nativeFontFace.loaded.catch(function (reason) { + (0, _util.warn)('Failed to load font "' + nativeFontFace.family + '": ' + reason); + }); + }; + var _iteratorNormalCompletion = true; + var _didIteratorError = false; + var _iteratorError = undefined; + + try { + for (var _iterator = fonts[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) { + var font = _step.value; + + if (font.attached || font.missingFile) { + continue; + } + font.attached = true; + if (this.isFontLoadingAPISupported) { + var nativeFontFace = font.createNativeFontFace(); + if (nativeFontFace) { + this.addNativeFontFace(nativeFontFace); + fontLoadPromises.push(getNativeFontPromise(nativeFontFace)); + } + } else { + var rule = font.createFontFaceRule(); + if (rule) { + this.insertRule(rule); + rules.push(rule); + fontsToLoad.push(font); + } + } + } + } catch (err) { + _didIteratorError = true; + _iteratorError = err; + } finally { + try { + if (!_iteratorNormalCompletion && _iterator.return) { + _iterator.return(); + } + } finally { + if (_didIteratorError) { + throw _iteratorError; + } + } + } + + var request = this._queueLoadingCallback(callback); + if (this.isFontLoadingAPISupported) { + Promise.all(fontLoadPromises).then(request.complete); + } else if (rules.length > 0 && !this.isSyncFontLoadingSupported) { + this._prepareFontLoadEvent(rules, fontsToLoad, request); + } else { + request.complete(); + } } - WritableStreamDealWithRejection(stream, error); - } - function WritableStreamCloseQueuedOrInFlight(stream) { - if (stream._closeRequest === undefined && stream._inFlightCloseRequest === undefined) { - return false; + }, { + key: '_queueLoadingCallback', + value: function _queueLoadingCallback(callback) { + function completeRequest() { + (0, _util.assert)(!request.done, 'completeRequest() cannot be called twice.'); + request.done = true; + while (context.requests.length > 0 && context.requests[0].done) { + var otherRequest = context.requests.shift(); + setTimeout(otherRequest.callback, 0); + } + } + var context = this.loadingContext; + var request = { + id: 'pdfjs-font-loading-' + context.nextRequestId++, + done: false, + complete: completeRequest, + callback: callback + }; + context.requests.push(request); + return request; } - return true; - } - function WritableStreamHasOperationMarkedInFlight(stream) { - if (stream._inFlightWriteRequest === undefined && stream._inFlightCloseRequest === undefined) { - return false; + }, { + key: '_prepareFontLoadEvent', + value: function _prepareFontLoadEvent(rules, fontsToLoad, request) { + (0, _util.unreachable)('Abstract method `_prepareFontLoadEvent`.'); } - return true; - } - function WritableStreamMarkCloseRequestInFlight(stream) { - assert(stream._inFlightCloseRequest === undefined); - assert(stream._closeRequest !== undefined); - stream._inFlightCloseRequest = stream._closeRequest; - stream._closeRequest = undefined; - } - function WritableStreamMarkFirstWriteRequestInFlight(stream) { - assert(stream._inFlightWriteRequest === undefined, 'there must be no pending write request'); - assert(stream._writeRequests.length !== 0, 'writeRequests must not be empty'); - stream._inFlightWriteRequest = stream._writeRequests.shift(); - } - function WritableStreamRejectCloseAndClosedPromiseIfNeeded(stream) { - assert(stream._state === 'errored', '_stream_.[[state]] is `"errored"`'); - if (stream._closeRequest !== undefined) { - assert(stream._inFlightCloseRequest === undefined); - stream._closeRequest._reject(stream._storedError); - stream._closeRequest = undefined; + }, { + key: 'isFontLoadingAPISupported', + get: function get() { + (0, _util.unreachable)('Abstract method `isFontLoadingAPISupported`.'); } - var writer = stream._writer; - if (writer !== undefined) { - defaultWriterClosedPromiseReject(writer, stream._storedError); - writer._closedPromise.catch(function () {}); + }, { + key: 'isSyncFontLoadingSupported', + get: function get() { + (0, _util.unreachable)('Abstract method `isSyncFontLoadingSupported`.'); } - } - function WritableStreamUpdateBackpressure(stream, backpressure) { - assert(stream._state === 'writable'); - assert(WritableStreamCloseQueuedOrInFlight(stream) === false); - var writer = stream._writer; - if (writer !== undefined && backpressure !== stream._backpressure) { - if (backpressure === true) { - defaultWriterReadyPromiseReset(writer); - } else { - assert(backpressure === false); - defaultWriterReadyPromiseResolve(writer); - } + }, { + key: '_loadTestFont', + get: function get() { + (0, _util.unreachable)('Abstract method `_loadTestFont`.'); } - stream._backpressure = backpressure; - } - var WritableStreamDefaultWriter = function () { - function WritableStreamDefaultWriter(stream) { - _classCallCheck(this, WritableStreamDefaultWriter); - if (IsWritableStream(stream) === false) { - throw new TypeError('WritableStreamDefaultWriter can only be constructed with a WritableStream instance'); + }]); + + return BaseFontLoader; +}(); + +var FontLoader = void 0; +{ + exports.FontLoader = FontLoader = function (_BaseFontLoader) { + _inherits(GenericFontLoader, _BaseFontLoader); + + function GenericFontLoader(docId) { + _classCallCheck(this, GenericFontLoader); + + var _this = _possibleConstructorReturn(this, (GenericFontLoader.__proto__ || Object.getPrototypeOf(GenericFontLoader)).call(this, docId)); + + _this.loadTestFontId = 0; + return _this; + } + + _createClass(GenericFontLoader, [{ + key: '_prepareFontLoadEvent', + value: function _prepareFontLoadEvent(rules, fonts, request) { + function int32(data, offset) { + return data.charCodeAt(offset) << 24 | data.charCodeAt(offset + 1) << 16 | data.charCodeAt(offset + 2) << 8 | data.charCodeAt(offset + 3) & 0xff; + } + function spliceString(s, offset, remove, insert) { + var chunk1 = s.substring(0, offset); + var chunk2 = s.substring(offset + remove); + return chunk1 + insert + chunk2; + } + var i = void 0, + ii = void 0; + var canvas = document.createElement('canvas'); + canvas.width = 1; + canvas.height = 1; + var ctx = canvas.getContext('2d'); + var called = 0; + function isFontReady(name, callback) { + called++; + if (called > 30) { + (0, _util.warn)('Load test font never loaded.'); + callback(); + return; + } + ctx.font = '30px ' + name; + ctx.fillText('.', 0, 20); + var imageData = ctx.getImageData(0, 0, 1, 1); + if (imageData.data[3] > 0) { + callback(); + return; + } + setTimeout(isFontReady.bind(null, name, callback)); + } + var loadTestFontId = 'lt' + Date.now() + this.loadTestFontId++; + var data = this._loadTestFont; + var COMMENT_OFFSET = 976; + data = spliceString(data, COMMENT_OFFSET, loadTestFontId.length, loadTestFontId); + var CFF_CHECKSUM_OFFSET = 16; + var XXXX_VALUE = 0x58585858; + var checksum = int32(data, CFF_CHECKSUM_OFFSET); + for (i = 0, ii = loadTestFontId.length - 3; i < ii; i += 4) { + checksum = checksum - XXXX_VALUE + int32(loadTestFontId, i) | 0; + } + if (i < loadTestFontId.length) { + checksum = checksum - XXXX_VALUE + int32(loadTestFontId + 'XXX', i) | 0; + } + data = spliceString(data, CFF_CHECKSUM_OFFSET, 4, (0, _util.string32)(checksum)); + var url = 'url(data:font/opentype;base64,' + btoa(data) + ');'; + var rule = '@font-face {font-family:"' + loadTestFontId + '";src:' + url + '}'; + this.insertRule(rule); + var names = []; + for (i = 0, ii = fonts.length; i < ii; i++) { + names.push(fonts[i].loadedName); + } + names.push(loadTestFontId); + var div = document.createElement('div'); + div.setAttribute('style', 'visibility: hidden;' + 'width: 10px; height: 10px;' + 'position: absolute; top: 0px; left: 0px;'); + for (i = 0, ii = names.length; i < ii; ++i) { + var span = document.createElement('span'); + span.textContent = 'Hi'; + span.style.fontFamily = names[i]; + div.appendChild(span); + } + document.body.appendChild(div); + isFontReady(loadTestFontId, function () { + document.body.removeChild(div); + request.complete(); + }); } - if (IsWritableStreamLocked(stream) === true) { - throw new TypeError('This stream has already been locked for exclusive writing by another writer'); + }, { + key: 'isFontLoadingAPISupported', + get: function get() { + var supported = typeof document !== 'undefined' && !!document.fonts; + if (supported && typeof navigator !== 'undefined') { + var m = /Mozilla\/5.0.*?rv:(\d+).*? Gecko/.exec(navigator.userAgent); + if (m && m[1] < 63) { + supported = false; + } + } + return (0, _util.shadow)(this, 'isFontLoadingAPISupported', supported); } - this._ownerWritableStream = stream; - stream._writer = this; - var state = stream._state; - if (state === 'writable') { - if (WritableStreamCloseQueuedOrInFlight(stream) === false && stream._backpressure === true) { - defaultWriterReadyPromiseInitialize(this); + }, { + key: 'isSyncFontLoadingSupported', + get: function get() { + var supported = false; + if (typeof navigator === 'undefined') { + supported = true; } else { - defaultWriterReadyPromiseInitializeAsResolved(this); + var m = /Mozilla\/5.0.*?rv:(\d+).*? Gecko/.exec(navigator.userAgent); + if (m && m[1] >= 14) { + supported = true; + } } - defaultWriterClosedPromiseInitialize(this); - } else if (state === 'erroring') { - defaultWriterReadyPromiseInitializeAsRejected(this, stream._storedError); - this._readyPromise.catch(function () {}); - defaultWriterClosedPromiseInitialize(this); - } else if (state === 'closed') { - defaultWriterReadyPromiseInitializeAsResolved(this); - defaultWriterClosedPromiseInitializeAsResolved(this); - } else { - assert(state === 'errored', 'state must be errored'); - var storedError = stream._storedError; - defaultWriterReadyPromiseInitializeAsRejected(this, storedError); - this._readyPromise.catch(function () {}); - defaultWriterClosedPromiseInitializeAsRejected(this, storedError); - this._closedPromise.catch(function () {}); + return (0, _util.shadow)(this, 'isSyncFontLoadingSupported', supported); + } + }, { + key: '_loadTestFont', + get: function get() { + var getLoadTestFont = function getLoadTestFont() { + return atob('T1RUTwALAIAAAwAwQ0ZGIDHtZg4AAAOYAAAAgUZGVE1lkzZwAAAEHAAAABxHREVGABQA' + 'FQAABDgAAAAeT1MvMlYNYwkAAAEgAAAAYGNtYXABDQLUAAACNAAAAUJoZWFk/xVFDQAA' + 'ALwAAAA2aGhlYQdkA+oAAAD0AAAAJGhtdHgD6AAAAAAEWAAAAAZtYXhwAAJQAAAAARgA' + 'AAAGbmFtZVjmdH4AAAGAAAAAsXBvc3T/hgAzAAADeAAAACAAAQAAAAEAALZRFsRfDzz1' + 'AAsD6AAAAADOBOTLAAAAAM4KHDwAAAAAA+gDIQAAAAgAAgAAAAAAAAABAAADIQAAAFoD' + '6AAAAAAD6AABAAAAAAAAAAAAAAAAAAAAAQAAUAAAAgAAAAQD6AH0AAUAAAKKArwAAACM' + 'AooCvAAAAeAAMQECAAACAAYJAAAAAAAAAAAAAQAAAAAAAAAAAAAAAFBmRWQAwAAuAC4D' + 'IP84AFoDIQAAAAAAAQAAAAAAAAAAACAAIAABAAAADgCuAAEAAAAAAAAAAQAAAAEAAAAA' + 'AAEAAQAAAAEAAAAAAAIAAQAAAAEAAAAAAAMAAQAAAAEAAAAAAAQAAQAAAAEAAAAAAAUA' + 'AQAAAAEAAAAAAAYAAQAAAAMAAQQJAAAAAgABAAMAAQQJAAEAAgABAAMAAQQJAAIAAgAB' + 'AAMAAQQJAAMAAgABAAMAAQQJAAQAAgABAAMAAQQJAAUAAgABAAMAAQQJAAYAAgABWABY' + 'AAAAAAAAAwAAAAMAAAAcAAEAAAAAADwAAwABAAAAHAAEACAAAAAEAAQAAQAAAC7//wAA' + 'AC7////TAAEAAAAAAAABBgAAAQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA' + 'AAAAAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA' + 'AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA' + 'AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA' + 'AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA' + 'AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMAAAAAAAD/gwAyAAAAAQAAAAAAAAAAAAAAAAAA' + 'AAABAAQEAAEBAQJYAAEBASH4DwD4GwHEAvgcA/gXBIwMAYuL+nz5tQXkD5j3CBLnEQAC' + 'AQEBIVhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYAAABAQAADwACAQEEE/t3' + 'Dov6fAH6fAT+fPp8+nwHDosMCvm1Cvm1DAz6fBQAAAAAAAABAAAAAMmJbzEAAAAAzgTj' + 'FQAAAADOBOQpAAEAAAAAAAAADAAUAAQAAAABAAAAAgABAAAAAAAAAAAD6AAAAAAAAA=='); + }; + return (0, _util.shadow)(this, '_loadTestFont', getLoadTestFont()); } + }]); + + return GenericFontLoader; + }(BaseFontLoader); +} +var IsEvalSupportedCached = { + get value() { + return (0, _util.shadow)(this, 'value', (0, _util.isEvalSupported)()); + } +}; + +var FontFaceObject = function () { + function FontFaceObject(translatedData, _ref) { + var _ref$isEvalSupported = _ref.isEvalSupported, + isEvalSupported = _ref$isEvalSupported === undefined ? true : _ref$isEvalSupported, + _ref$disableFontFace = _ref.disableFontFace, + disableFontFace = _ref$disableFontFace === undefined ? false : _ref$disableFontFace, + _ref$ignoreErrors = _ref.ignoreErrors, + ignoreErrors = _ref$ignoreErrors === undefined ? false : _ref$ignoreErrors, + _ref$onUnsupportedFea = _ref.onUnsupportedFeature, + onUnsupportedFeature = _ref$onUnsupportedFea === undefined ? null : _ref$onUnsupportedFea, + _ref$fontRegistry = _ref.fontRegistry, + fontRegistry = _ref$fontRegistry === undefined ? null : _ref$fontRegistry; + + _classCallCheck(this, FontFaceObject); + + this.compiledGlyphs = Object.create(null); + for (var i in translatedData) { + this[i] = translatedData[i]; } - _createClass(WritableStreamDefaultWriter, [{ - key: 'abort', - value: function abort(reason) { - if (IsWritableStreamDefaultWriter(this) === false) { - return Promise.reject(defaultWriterBrandCheckException('abort')); - } - if (this._ownerWritableStream === undefined) { - return Promise.reject(defaultWriterLockException('abort')); - } - return WritableStreamDefaultWriterAbort(this, reason); + this.isEvalSupported = isEvalSupported !== false; + this.disableFontFace = disableFontFace === true; + this.ignoreErrors = ignoreErrors === true; + this._onUnsupportedFeature = onUnsupportedFeature; + this.fontRegistry = fontRegistry; + } + + _createClass(FontFaceObject, [{ + key: 'createNativeFontFace', + value: function createNativeFontFace() { + if (!this.data || this.disableFontFace) { + return null; } - }, { - key: 'close', - value: function close() { - if (IsWritableStreamDefaultWriter(this) === false) { - return Promise.reject(defaultWriterBrandCheckException('close')); - } - var stream = this._ownerWritableStream; - if (stream === undefined) { - return Promise.reject(defaultWriterLockException('close')); + var nativeFontFace = new FontFace(this.loadedName, this.data, {}); + if (this.fontRegistry) { + this.fontRegistry.registerFont(this); + } + return nativeFontFace; + } + }, { + key: 'createFontFaceRule', + value: function createFontFaceRule() { + if (!this.data || this.disableFontFace) { + return null; + } + var data = (0, _util.bytesToString)(new Uint8Array(this.data)); + var url = 'url(data:' + this.mimetype + ';base64,' + btoa(data) + ');'; + var rule = '@font-face {font-family:"' + this.loadedName + '";src:' + url + '}'; + if (this.fontRegistry) { + this.fontRegistry.registerFont(this, url); + } + return rule; + } + }, { + key: 'getPathGenerator', + value: function getPathGenerator(objs, character) { + if (this.compiledGlyphs[character] !== undefined) { + return this.compiledGlyphs[character]; + } + var cmds = void 0, + current = void 0; + try { + cmds = objs.get(this.loadedName + '_path_' + character); + } catch (ex) { + if (!this.ignoreErrors) { + throw ex; + } + if (this._onUnsupportedFeature) { + this._onUnsupportedFeature({ featureId: _util.UNSUPPORTED_FEATURES.font }); + } + (0, _util.warn)('getPathGenerator - ignoring character: "' + ex + '".'); + return this.compiledGlyphs[character] = function (c, size) {}; + } + if (this.isEvalSupported && IsEvalSupportedCached.value) { + var args = void 0, + js = ''; + for (var i = 0, ii = cmds.length; i < ii; i++) { + current = cmds[i]; + if (current.args !== undefined) { + args = current.args.join(','); + } else { + args = ''; + } + js += 'c.' + current.cmd + '(' + args + ');\n'; } - if (WritableStreamCloseQueuedOrInFlight(stream) === true) { - return Promise.reject(new TypeError('cannot close an already-closing stream')); + return this.compiledGlyphs[character] = new Function('c', 'size', js); + } + return this.compiledGlyphs[character] = function (c, size) { + for (var _i = 0, _ii = cmds.length; _i < _ii; _i++) { + current = cmds[_i]; + if (current.cmd === 'scale') { + current.args = [size, -size]; + } + c[current.cmd].apply(c, current.args); } - return WritableStreamDefaultWriterClose(this); + }; + } + }]); + + return FontFaceObject; +}(); + +exports.FontFaceObject = FontFaceObject; +exports.FontLoader = FontLoader; + +/***/ }), +/* 132 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +var compatibilityParams = Object.create(null); +{ + var isNodeJS = __w_pdfjs_require__(4); + var userAgent = typeof navigator !== 'undefined' && navigator.userAgent || ''; + var isIE = /Trident/.test(userAgent); + var isIOSChrome = /CriOS/.test(userAgent); + (function checkOnBlobSupport() { + if (isIE || isIOSChrome) { + compatibilityParams.disableCreateObjectURL = true; + } + })(); + (function checkFontFaceAndImage() { + if (isNodeJS()) { + compatibilityParams.disableFontFace = true; + compatibilityParams.nativeImageDecoderSupport = 'none'; + } + })(); +} +exports.apiCompatibilityParams = Object.freeze(compatibilityParams); + +/***/ }), +/* 133 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +Object.defineProperty(exports, "__esModule", { + value: true +}); +exports.CanvasGraphics = undefined; + +var _util = __w_pdfjs_require__(1); + +var _pattern_helper = __w_pdfjs_require__(134); + +var MIN_FONT_SIZE = 16; +var MAX_FONT_SIZE = 100; +var MAX_GROUP_SIZE = 4096; +var MIN_WIDTH_FACTOR = 0.65; +var COMPILE_TYPE3_GLYPHS = true; +var MAX_SIZE_TO_COMPILE = 1000; +var FULL_CHUNK_HEIGHT = 16; +var IsLittleEndianCached = { + get value() { + return (0, _util.shadow)(IsLittleEndianCached, 'value', (0, _util.isLittleEndian)()); + } +}; +function addContextCurrentTransform(ctx) { + if (!ctx.mozCurrentTransform) { + ctx._originalSave = ctx.save; + ctx._originalRestore = ctx.restore; + ctx._originalRotate = ctx.rotate; + ctx._originalScale = ctx.scale; + ctx._originalTranslate = ctx.translate; + ctx._originalTransform = ctx.transform; + ctx._originalSetTransform = ctx.setTransform; + ctx._transformMatrix = ctx._transformMatrix || [1, 0, 0, 1, 0, 0]; + ctx._transformStack = []; + Object.defineProperty(ctx, 'mozCurrentTransform', { + get: function getCurrentTransform() { + return this._transformMatrix; } - }, { - key: 'releaseLock', - value: function releaseLock() { - if (IsWritableStreamDefaultWriter(this) === false) { - throw defaultWriterBrandCheckException('releaseLock'); - } - var stream = this._ownerWritableStream; - if (stream === undefined) { - return; - } - assert(stream._writer !== undefined); - WritableStreamDefaultWriterRelease(this); + }); + Object.defineProperty(ctx, 'mozCurrentTransformInverse', { + get: function getCurrentTransformInverse() { + var m = this._transformMatrix; + var a = m[0], + b = m[1], + c = m[2], + d = m[3], + e = m[4], + f = m[5]; + var ad_bc = a * d - b * c; + var bc_ad = b * c - a * d; + return [d / ad_bc, b / bc_ad, c / bc_ad, a / ad_bc, (d * e - c * f) / bc_ad, (b * e - a * f) / ad_bc]; } - }, { - key: 'write', - value: function write(chunk) { - if (IsWritableStreamDefaultWriter(this) === false) { - return Promise.reject(defaultWriterBrandCheckException('write')); - } - if (this._ownerWritableStream === undefined) { - return Promise.reject(defaultWriterLockException('write to')); - } - return WritableStreamDefaultWriterWrite(this, chunk); + }); + ctx.save = function ctxSave() { + var old = this._transformMatrix; + this._transformStack.push(old); + this._transformMatrix = old.slice(0, 6); + this._originalSave(); + }; + ctx.restore = function ctxRestore() { + var prev = this._transformStack.pop(); + if (prev) { + this._transformMatrix = prev; + this._originalRestore(); } - }, { - key: 'closed', - get: function get() { - if (IsWritableStreamDefaultWriter(this) === false) { - return Promise.reject(defaultWriterBrandCheckException('closed')); - } - return this._closedPromise; + }; + ctx.translate = function ctxTranslate(x, y) { + var m = this._transformMatrix; + m[4] = m[0] * x + m[2] * y + m[4]; + m[5] = m[1] * x + m[3] * y + m[5]; + this._originalTranslate(x, y); + }; + ctx.scale = function ctxScale(x, y) { + var m = this._transformMatrix; + m[0] = m[0] * x; + m[1] = m[1] * x; + m[2] = m[2] * y; + m[3] = m[3] * y; + this._originalScale(x, y); + }; + ctx.transform = function ctxTransform(a, b, c, d, e, f) { + var m = this._transformMatrix; + this._transformMatrix = [m[0] * a + m[2] * b, m[1] * a + m[3] * b, m[0] * c + m[2] * d, m[1] * c + m[3] * d, m[0] * e + m[2] * f + m[4], m[1] * e + m[3] * f + m[5]]; + ctx._originalTransform(a, b, c, d, e, f); + }; + ctx.setTransform = function ctxSetTransform(a, b, c, d, e, f) { + this._transformMatrix = [a, b, c, d, e, f]; + ctx._originalSetTransform(a, b, c, d, e, f); + }; + ctx.rotate = function ctxRotate(angle) { + var cosValue = Math.cos(angle); + var sinValue = Math.sin(angle); + var m = this._transformMatrix; + this._transformMatrix = [m[0] * cosValue + m[2] * sinValue, m[1] * cosValue + m[3] * sinValue, m[0] * -sinValue + m[2] * cosValue, m[1] * -sinValue + m[3] * cosValue, m[4], m[5]]; + this._originalRotate(angle); + }; + } +} +var CachedCanvases = function CachedCanvasesClosure() { + function CachedCanvases(canvasFactory) { + this.canvasFactory = canvasFactory; + this.cache = Object.create(null); + } + CachedCanvases.prototype = { + getCanvas: function CachedCanvases_getCanvas(id, width, height, trackTransform) { + var canvasEntry; + if (this.cache[id] !== undefined) { + canvasEntry = this.cache[id]; + this.canvasFactory.reset(canvasEntry, width, height); + canvasEntry.context.setTransform(1, 0, 0, 1, 0, 0); + } else { + canvasEntry = this.canvasFactory.create(width, height); + this.cache[id] = canvasEntry; } - }, { - key: 'desiredSize', - get: function get() { - if (IsWritableStreamDefaultWriter(this) === false) { - throw defaultWriterBrandCheckException('desiredSize'); - } - if (this._ownerWritableStream === undefined) { - throw defaultWriterLockException('desiredSize'); - } - return WritableStreamDefaultWriterGetDesiredSize(this); + if (trackTransform) { + addContextCurrentTransform(canvasEntry.context); } - }, { - key: 'ready', - get: function get() { - if (IsWritableStreamDefaultWriter(this) === false) { - return Promise.reject(defaultWriterBrandCheckException('ready')); - } - return this._readyPromise; + return canvasEntry; + }, + clear: function clear() { + for (var id in this.cache) { + var canvasEntry = this.cache[id]; + this.canvasFactory.destroy(canvasEntry); + delete this.cache[id]; } - }]); - return WritableStreamDefaultWriter; - }(); - function IsWritableStreamDefaultWriter(x) { - if (!typeIsObject(x)) { - return false; } - if (!Object.prototype.hasOwnProperty.call(x, '_ownerWritableStream')) { - return false; + }; + return CachedCanvases; +}(); +function compileType3Glyph(imgData) { + var POINT_TO_PROCESS_LIMIT = 1000; + var width = imgData.width, + height = imgData.height; + var i, + j, + j0, + width1 = width + 1; + var points = new Uint8Array(width1 * (height + 1)); + var POINT_TYPES = new Uint8Array([0, 2, 4, 0, 1, 0, 5, 4, 8, 10, 0, 8, 0, 2, 1, 0]); + var lineSize = width + 7 & ~7, + data0 = imgData.data; + var data = new Uint8Array(lineSize * height), + pos = 0, + ii; + for (i = 0, ii = data0.length; i < ii; i++) { + var mask = 128, + elem = data0[i]; + while (mask > 0) { + data[pos++] = elem & mask ? 0 : 255; + mask >>= 1; } - return true; } - function WritableStreamDefaultWriterAbort(writer, reason) { - var stream = writer._ownerWritableStream; - assert(stream !== undefined); - return WritableStreamAbort(stream, reason); + var count = 0; + pos = 0; + if (data[pos] !== 0) { + points[0] = 1; + ++count; } - function WritableStreamDefaultWriterClose(writer) { - var stream = writer._ownerWritableStream; - assert(stream !== undefined); - var state = stream._state; - if (state === 'closed' || state === 'errored') { - return Promise.reject(new TypeError('The stream (in ' + state + ' state) is not in the writable state and cannot be closed')); - } - assert(state === 'writable' || state === 'erroring'); - assert(WritableStreamCloseQueuedOrInFlight(stream) === false); - var promise = new Promise(function (resolve, reject) { - var closeRequest = { - _resolve: resolve, - _reject: reject - }; - stream._closeRequest = closeRequest; - }); - if (stream._backpressure === true && state === 'writable') { - defaultWriterReadyPromiseResolve(writer); + for (j = 1; j < width; j++) { + if (data[pos] !== data[pos + 1]) { + points[j] = data[pos] ? 2 : 1; + ++count; } - WritableStreamDefaultControllerClose(stream._writableStreamController); - return promise; + pos++; } - function WritableStreamDefaultWriterCloseWithErrorPropagation(writer) { - var stream = writer._ownerWritableStream; - assert(stream !== undefined); - var state = stream._state; - if (WritableStreamCloseQueuedOrInFlight(stream) === true || state === 'closed') { - return Promise.resolve(); + if (data[pos] !== 0) { + points[j] = 2; + ++count; + } + for (i = 1; i < height; i++) { + pos = i * lineSize; + j0 = i * width1; + if (data[pos - lineSize] !== data[pos]) { + points[j0] = data[pos] ? 1 : 8; + ++count; + } + var sum = (data[pos] ? 4 : 0) + (data[pos - lineSize] ? 8 : 0); + for (j = 1; j < width; j++) { + sum = (sum >> 2) + (data[pos + 1] ? 4 : 0) + (data[pos - lineSize + 1] ? 8 : 0); + if (POINT_TYPES[sum]) { + points[j0 + j] = POINT_TYPES[sum]; + ++count; + } + pos++; } - if (state === 'errored') { - return Promise.reject(stream._storedError); + if (data[pos - lineSize] !== data[pos]) { + points[j0 + j] = data[pos] ? 2 : 4; + ++count; } - assert(state === 'writable' || state === 'erroring'); - return WritableStreamDefaultWriterClose(writer); - } - function WritableStreamDefaultWriterEnsureClosedPromiseRejected(writer, error) { - if (writer._closedPromiseState === 'pending') { - defaultWriterClosedPromiseReject(writer, error); - } else { - defaultWriterClosedPromiseResetToRejected(writer, error); + if (count > POINT_TO_PROCESS_LIMIT) { + return null; } - writer._closedPromise.catch(function () {}); } - function WritableStreamDefaultWriterEnsureReadyPromiseRejected(writer, error) { - if (writer._readyPromiseState === 'pending') { - defaultWriterReadyPromiseReject(writer, error); - } else { - defaultWriterReadyPromiseResetToRejected(writer, error); - } - writer._readyPromise.catch(function () {}); + pos = lineSize * (height - 1); + j0 = i * width1; + if (data[pos] !== 0) { + points[j0] = 8; + ++count; } - function WritableStreamDefaultWriterGetDesiredSize(writer) { - var stream = writer._ownerWritableStream; - var state = stream._state; - if (state === 'errored' || state === 'erroring') { - return null; - } - if (state === 'closed') { - return 0; + for (j = 1; j < width; j++) { + if (data[pos] !== data[pos + 1]) { + points[j0 + j] = data[pos] ? 4 : 8; + ++count; } - return WritableStreamDefaultControllerGetDesiredSize(stream._writableStreamController); + pos++; } - function WritableStreamDefaultWriterRelease(writer) { - var stream = writer._ownerWritableStream; - assert(stream !== undefined); - assert(stream._writer === writer); - var releasedError = new TypeError('Writer was released and can no longer be used to monitor the stream\'s closedness'); - WritableStreamDefaultWriterEnsureReadyPromiseRejected(writer, releasedError); - WritableStreamDefaultWriterEnsureClosedPromiseRejected(writer, releasedError); - stream._writer = undefined; - writer._ownerWritableStream = undefined; + if (data[pos] !== 0) { + points[j0 + j] = 4; + ++count; } - function WritableStreamDefaultWriterWrite(writer, chunk) { - var stream = writer._ownerWritableStream; - assert(stream !== undefined); - var controller = stream._writableStreamController; - var chunkSize = WritableStreamDefaultControllerGetChunkSize(controller, chunk); - if (stream !== writer._ownerWritableStream) { - return Promise.reject(defaultWriterLockException('write to')); + if (count > POINT_TO_PROCESS_LIMIT) { + return null; + } + var steps = new Int32Array([0, width1, -1, 0, -width1, 0, 0, 0, 1]); + var outlines = []; + for (i = 0; count && i <= height; i++) { + var p = i * width1; + var end = p + width; + while (p < end && !points[p]) { + p++; } - var state = stream._state; - if (state === 'errored') { - return Promise.reject(stream._storedError); + if (p === end) { + continue; } - if (WritableStreamCloseQueuedOrInFlight(stream) === true || state === 'closed') { - return Promise.reject(new TypeError('The stream is closing or closed and cannot be written to')); + var coords = [p % width1, i]; + var type = points[p], + p0 = p, + pp; + do { + var step = steps[type]; + do { + p += step; + } while (!points[p]); + pp = points[p]; + if (pp !== 5 && pp !== 10) { + type = pp; + points[p] = 0; + } else { + type = pp & 0x33 * type >> 4; + points[p] &= type >> 2 | type << 2; + } + coords.push(p % width1); + coords.push(p / width1 | 0); + --count; + } while (p0 !== p); + outlines.push(coords); + --i; + } + var drawOutline = function drawOutline(c) { + c.save(); + c.scale(1 / width, -1 / height); + c.translate(0, -height); + c.beginPath(); + for (var i = 0, ii = outlines.length; i < ii; i++) { + var o = outlines[i]; + c.moveTo(o[0], o[1]); + for (var j = 2, jj = o.length; j < jj; j += 2) { + c.lineTo(o[j], o[j + 1]); + } } - if (state === 'erroring') { - return Promise.reject(stream._storedError); + c.fill(); + c.beginPath(); + c.restore(); + }; + return drawOutline; +} +var CanvasExtraState = function CanvasExtraStateClosure() { + function CanvasExtraState() { + this.alphaIsShape = false; + this.fontSize = 0; + this.fontSizeScale = 1; + this.textMatrix = _util.IDENTITY_MATRIX; + this.textMatrixScale = 1; + this.fontMatrix = _util.FONT_IDENTITY_MATRIX; + this.leading = 0; + this.x = 0; + this.y = 0; + this.lineX = 0; + this.lineY = 0; + this.charSpacing = 0; + this.wordSpacing = 0; + this.textHScale = 1; + this.textRenderingMode = _util.TextRenderingMode.FILL; + this.textRise = 0; + this.fillColor = '#000000'; + this.strokeColor = '#000000'; + this.patternFill = false; + this.fillAlpha = 1; + this.strokeAlpha = 1; + this.lineWidth = 1; + this.activeSMask = null; + this.resumeSMaskCtx = null; + } + CanvasExtraState.prototype = { + clone: function CanvasExtraState_clone() { + return Object.create(this); + }, + setCurrentPoint: function CanvasExtraState_setCurrentPoint(x, y) { + this.x = x; + this.y = y; } - assert(state === 'writable'); - var promise = WritableStreamAddWriteRequest(stream); - WritableStreamDefaultControllerWrite(controller, chunk, chunkSize); - return promise; + }; + return CanvasExtraState; +}(); +var CanvasGraphics = function CanvasGraphicsClosure() { + var EXECUTION_TIME = 15; + var EXECUTION_STEPS = 10; + function CanvasGraphics(canvasCtx, commonObjs, objs, canvasFactory, webGLContext, imageLayer) { + this.ctx = canvasCtx; + this.current = new CanvasExtraState(); + this.stateStack = []; + this.pendingClip = null; + this.pendingEOFill = false; + this.res = null; + this.xobjs = null; + this.commonObjs = commonObjs; + this.objs = objs; + this.canvasFactory = canvasFactory; + this.webGLContext = webGLContext; + this.imageLayer = imageLayer; + this.groupStack = []; + this.processingType3 = null; + this.baseTransform = null; + this.baseTransformStack = []; + this.groupLevel = 0; + this.smaskStack = []; + this.smaskCounter = 0; + this.tempSMask = null; + this.cachedCanvases = new CachedCanvases(this.canvasFactory); + if (canvasCtx) { + addContextCurrentTransform(canvasCtx); + } + this._cachedGetSinglePixelWidth = null; } - var WritableStreamDefaultController = function () { - function WritableStreamDefaultController(stream, underlyingSink, size, highWaterMark) { - _classCallCheck(this, WritableStreamDefaultController); - if (IsWritableStream(stream) === false) { - throw new TypeError('WritableStreamDefaultController can only be constructed with a WritableStream instance'); - } - if (stream._writableStreamController !== undefined) { - throw new TypeError('WritableStreamDefaultController instances can only be created by the WritableStream constructor'); - } - this._controlledWritableStream = stream; - this._underlyingSink = underlyingSink; - this._queue = undefined; - this._queueTotalSize = undefined; - ResetQueue(this); - this._started = false; - var normalizedStrategy = ValidateAndNormalizeQueuingStrategy(size, highWaterMark); - this._strategySize = normalizedStrategy.size; - this._strategyHWM = normalizedStrategy.highWaterMark; - var backpressure = WritableStreamDefaultControllerGetBackpressure(this); - WritableStreamUpdateBackpressure(stream, backpressure); + function putBinaryImageData(ctx, imgData) { + if (typeof ImageData !== 'undefined' && imgData instanceof ImageData) { + ctx.putImageData(imgData, 0, 0); + return; } - _createClass(WritableStreamDefaultController, [{ - key: 'error', - value: function error(e) { - if (IsWritableStreamDefaultController(this) === false) { - throw new TypeError('WritableStreamDefaultController.prototype.error can only be used on a WritableStreamDefaultController'); + var height = imgData.height, + width = imgData.width; + var partialChunkHeight = height % FULL_CHUNK_HEIGHT; + var fullChunks = (height - partialChunkHeight) / FULL_CHUNK_HEIGHT; + var totalChunks = partialChunkHeight === 0 ? fullChunks : fullChunks + 1; + var chunkImgData = ctx.createImageData(width, FULL_CHUNK_HEIGHT); + var srcPos = 0, + destPos; + var src = imgData.data; + var dest = chunkImgData.data; + var i, j, thisChunkHeight, elemsInThisChunk; + if (imgData.kind === _util.ImageKind.GRAYSCALE_1BPP) { + var srcLength = src.byteLength; + var dest32 = new Uint32Array(dest.buffer, 0, dest.byteLength >> 2); + var dest32DataLength = dest32.length; + var fullSrcDiff = width + 7 >> 3; + var white = 0xFFFFFFFF; + var black = IsLittleEndianCached.value ? 0xFF000000 : 0x000000FF; + for (i = 0; i < totalChunks; i++) { + thisChunkHeight = i < fullChunks ? FULL_CHUNK_HEIGHT : partialChunkHeight; + destPos = 0; + for (j = 0; j < thisChunkHeight; j++) { + var srcDiff = srcLength - srcPos; + var k = 0; + var kEnd = srcDiff > fullSrcDiff ? width : srcDiff * 8 - 7; + var kEndUnrolled = kEnd & ~7; + var mask = 0; + var srcByte = 0; + for (; k < kEndUnrolled; k += 8) { + srcByte = src[srcPos++]; + dest32[destPos++] = srcByte & 128 ? white : black; + dest32[destPos++] = srcByte & 64 ? white : black; + dest32[destPos++] = srcByte & 32 ? white : black; + dest32[destPos++] = srcByte & 16 ? white : black; + dest32[destPos++] = srcByte & 8 ? white : black; + dest32[destPos++] = srcByte & 4 ? white : black; + dest32[destPos++] = srcByte & 2 ? white : black; + dest32[destPos++] = srcByte & 1 ? white : black; + } + for (; k < kEnd; k++) { + if (mask === 0) { + srcByte = src[srcPos++]; + mask = 128; + } + dest32[destPos++] = srcByte & mask ? white : black; + mask >>= 1; + } } - var state = this._controlledWritableStream._state; - if (state !== 'writable') { - return; + while (destPos < dest32DataLength) { + dest32[destPos++] = 0; } - WritableStreamDefaultControllerError(this, e); + ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT); } - }, { - key: '__abortSteps', - value: function __abortSteps(reason) { - return PromiseInvokeOrNoop(this._underlyingSink, 'abort', [reason]); + } else if (imgData.kind === _util.ImageKind.RGBA_32BPP) { + j = 0; + elemsInThisChunk = width * FULL_CHUNK_HEIGHT * 4; + for (i = 0; i < fullChunks; i++) { + dest.set(src.subarray(srcPos, srcPos + elemsInThisChunk)); + srcPos += elemsInThisChunk; + ctx.putImageData(chunkImgData, 0, j); + j += FULL_CHUNK_HEIGHT; } - }, { - key: '__errorSteps', - value: function __errorSteps() { - ResetQueue(this); + if (i < totalChunks) { + elemsInThisChunk = width * partialChunkHeight * 4; + dest.set(src.subarray(srcPos, srcPos + elemsInThisChunk)); + ctx.putImageData(chunkImgData, 0, j); } - }, { - key: '__startSteps', - value: function __startSteps() { - var _this = this; - var startResult = InvokeOrNoop(this._underlyingSink, 'start', [this]); - var stream = this._controlledWritableStream; - Promise.resolve(startResult).then(function () { - assert(stream._state === 'writable' || stream._state === 'erroring'); - _this._started = true; - WritableStreamDefaultControllerAdvanceQueueIfNeeded(_this); - }, function (r) { - assert(stream._state === 'writable' || stream._state === 'erroring'); - _this._started = true; - WritableStreamDealWithRejection(stream, r); - }).catch(rethrowAssertionErrorRejection); + } else if (imgData.kind === _util.ImageKind.RGB_24BPP) { + thisChunkHeight = FULL_CHUNK_HEIGHT; + elemsInThisChunk = width * thisChunkHeight; + for (i = 0; i < totalChunks; i++) { + if (i >= fullChunks) { + thisChunkHeight = partialChunkHeight; + elemsInThisChunk = width * thisChunkHeight; + } + destPos = 0; + for (j = elemsInThisChunk; j--;) { + dest[destPos++] = src[srcPos++]; + dest[destPos++] = src[srcPos++]; + dest[destPos++] = src[srcPos++]; + dest[destPos++] = 255; + } + ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT); } - }]); - return WritableStreamDefaultController; - }(); - function WritableStreamDefaultControllerClose(controller) { - EnqueueValueWithSize(controller, 'close', 0); - WritableStreamDefaultControllerAdvanceQueueIfNeeded(controller); - } - function WritableStreamDefaultControllerGetChunkSize(controller, chunk) { - var strategySize = controller._strategySize; - if (strategySize === undefined) { - return 1; - } - try { - return strategySize(chunk); - } catch (chunkSizeE) { - WritableStreamDefaultControllerErrorIfNeeded(controller, chunkSizeE); - return 1; - } - } - function WritableStreamDefaultControllerGetDesiredSize(controller) { - return controller._strategyHWM - controller._queueTotalSize; - } - function WritableStreamDefaultControllerWrite(controller, chunk, chunkSize) { - var writeRecord = { chunk: chunk }; - try { - EnqueueValueWithSize(controller, writeRecord, chunkSize); - } catch (enqueueE) { - WritableStreamDefaultControllerErrorIfNeeded(controller, enqueueE); - return; - } - var stream = controller._controlledWritableStream; - if (WritableStreamCloseQueuedOrInFlight(stream) === false && stream._state === 'writable') { - var backpressure = WritableStreamDefaultControllerGetBackpressure(controller); - WritableStreamUpdateBackpressure(stream, backpressure); - } - WritableStreamDefaultControllerAdvanceQueueIfNeeded(controller); - } - function IsWritableStreamDefaultController(x) { - if (!typeIsObject(x)) { - return false; - } - if (!Object.prototype.hasOwnProperty.call(x, '_underlyingSink')) { - return false; - } - return true; - } - function WritableStreamDefaultControllerAdvanceQueueIfNeeded(controller) { - var stream = controller._controlledWritableStream; - if (controller._started === false) { - return; - } - if (stream._inFlightWriteRequest !== undefined) { - return; - } - var state = stream._state; - if (state === 'closed' || state === 'errored') { - return; - } - if (state === 'erroring') { - WritableStreamFinishErroring(stream); - return; - } - if (controller._queue.length === 0) { - return; - } - var writeRecord = PeekQueueValue(controller); - if (writeRecord === 'close') { - WritableStreamDefaultControllerProcessClose(controller); } else { - WritableStreamDefaultControllerProcessWrite(controller, writeRecord.chunk); - } - } - function WritableStreamDefaultControllerErrorIfNeeded(controller, error) { - if (controller._controlledWritableStream._state === 'writable') { - WritableStreamDefaultControllerError(controller, error); + throw new Error('bad image kind: ' + imgData.kind); } } - function WritableStreamDefaultControllerProcessClose(controller) { - var stream = controller._controlledWritableStream; - WritableStreamMarkCloseRequestInFlight(stream); - DequeueValue(controller); - assert(controller._queue.length === 0, 'queue must be empty once the final write record is dequeued'); - var sinkClosePromise = PromiseInvokeOrNoop(controller._underlyingSink, 'close', []); - sinkClosePromise.then(function () { - WritableStreamFinishInFlightClose(stream); - }, function (reason) { - WritableStreamFinishInFlightCloseWithError(stream, reason); - }).catch(rethrowAssertionErrorRejection); - } - function WritableStreamDefaultControllerProcessWrite(controller, chunk) { - var stream = controller._controlledWritableStream; - WritableStreamMarkFirstWriteRequestInFlight(stream); - var sinkWritePromise = PromiseInvokeOrNoop(controller._underlyingSink, 'write', [chunk, controller]); - sinkWritePromise.then(function () { - WritableStreamFinishInFlightWrite(stream); - var state = stream._state; - assert(state === 'writable' || state === 'erroring'); - DequeueValue(controller); - if (WritableStreamCloseQueuedOrInFlight(stream) === false && state === 'writable') { - var backpressure = WritableStreamDefaultControllerGetBackpressure(controller); - WritableStreamUpdateBackpressure(stream, backpressure); - } - WritableStreamDefaultControllerAdvanceQueueIfNeeded(controller); - }, function (reason) { - WritableStreamFinishInFlightWriteWithError(stream, reason); - }).catch(rethrowAssertionErrorRejection); - } - function WritableStreamDefaultControllerGetBackpressure(controller) { - var desiredSize = WritableStreamDefaultControllerGetDesiredSize(controller); - return desiredSize <= 0; - } - function WritableStreamDefaultControllerError(controller, error) { - var stream = controller._controlledWritableStream; - assert(stream._state === 'writable'); - WritableStreamStartErroring(stream, error); - } - function streamBrandCheckException(name) { - return new TypeError('WritableStream.prototype.' + name + ' can only be used on a WritableStream'); - } - function defaultWriterBrandCheckException(name) { - return new TypeError('WritableStreamDefaultWriter.prototype.' + name + ' can only be used on a WritableStreamDefaultWriter'); - } - function defaultWriterLockException(name) { - return new TypeError('Cannot ' + name + ' a stream using a released writer'); - } - function defaultWriterClosedPromiseInitialize(writer) { - writer._closedPromise = new Promise(function (resolve, reject) { - writer._closedPromise_resolve = resolve; - writer._closedPromise_reject = reject; - writer._closedPromiseState = 'pending'; - }); - } - function defaultWriterClosedPromiseInitializeAsRejected(writer, reason) { - writer._closedPromise = Promise.reject(reason); - writer._closedPromise_resolve = undefined; - writer._closedPromise_reject = undefined; - writer._closedPromiseState = 'rejected'; - } - function defaultWriterClosedPromiseInitializeAsResolved(writer) { - writer._closedPromise = Promise.resolve(undefined); - writer._closedPromise_resolve = undefined; - writer._closedPromise_reject = undefined; - writer._closedPromiseState = 'resolved'; - } - function defaultWriterClosedPromiseReject(writer, reason) { - assert(writer._closedPromise_resolve !== undefined, 'writer._closedPromise_resolve !== undefined'); - assert(writer._closedPromise_reject !== undefined, 'writer._closedPromise_reject !== undefined'); - assert(writer._closedPromiseState === 'pending', 'writer._closedPromiseState is pending'); - writer._closedPromise_reject(reason); - writer._closedPromise_resolve = undefined; - writer._closedPromise_reject = undefined; - writer._closedPromiseState = 'rejected'; - } - function defaultWriterClosedPromiseResetToRejected(writer, reason) { - assert(writer._closedPromise_resolve === undefined, 'writer._closedPromise_resolve === undefined'); - assert(writer._closedPromise_reject === undefined, 'writer._closedPromise_reject === undefined'); - assert(writer._closedPromiseState !== 'pending', 'writer._closedPromiseState is not pending'); - writer._closedPromise = Promise.reject(reason); - writer._closedPromiseState = 'rejected'; - } - function defaultWriterClosedPromiseResolve(writer) { - assert(writer._closedPromise_resolve !== undefined, 'writer._closedPromise_resolve !== undefined'); - assert(writer._closedPromise_reject !== undefined, 'writer._closedPromise_reject !== undefined'); - assert(writer._closedPromiseState === 'pending', 'writer._closedPromiseState is pending'); - writer._closedPromise_resolve(undefined); - writer._closedPromise_resolve = undefined; - writer._closedPromise_reject = undefined; - writer._closedPromiseState = 'resolved'; - } - function defaultWriterReadyPromiseInitialize(writer) { - writer._readyPromise = new Promise(function (resolve, reject) { - writer._readyPromise_resolve = resolve; - writer._readyPromise_reject = reject; - }); - writer._readyPromiseState = 'pending'; - } - function defaultWriterReadyPromiseInitializeAsRejected(writer, reason) { - writer._readyPromise = Promise.reject(reason); - writer._readyPromise_resolve = undefined; - writer._readyPromise_reject = undefined; - writer._readyPromiseState = 'rejected'; - } - function defaultWriterReadyPromiseInitializeAsResolved(writer) { - writer._readyPromise = Promise.resolve(undefined); - writer._readyPromise_resolve = undefined; - writer._readyPromise_reject = undefined; - writer._readyPromiseState = 'fulfilled'; + function putBinaryImageMask(ctx, imgData) { + var height = imgData.height, + width = imgData.width; + var partialChunkHeight = height % FULL_CHUNK_HEIGHT; + var fullChunks = (height - partialChunkHeight) / FULL_CHUNK_HEIGHT; + var totalChunks = partialChunkHeight === 0 ? fullChunks : fullChunks + 1; + var chunkImgData = ctx.createImageData(width, FULL_CHUNK_HEIGHT); + var srcPos = 0; + var src = imgData.data; + var dest = chunkImgData.data; + for (var i = 0; i < totalChunks; i++) { + var thisChunkHeight = i < fullChunks ? FULL_CHUNK_HEIGHT : partialChunkHeight; + var destPos = 3; + for (var j = 0; j < thisChunkHeight; j++) { + var mask = 0; + for (var k = 0; k < width; k++) { + if (!mask) { + var elem = src[srcPos++]; + mask = 128; + } + dest[destPos] = elem & mask ? 0 : 255; + destPos += 4; + mask >>= 1; + } + } + ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT); + } } - function defaultWriterReadyPromiseReject(writer, reason) { - assert(writer._readyPromise_resolve !== undefined, 'writer._readyPromise_resolve !== undefined'); - assert(writer._readyPromise_reject !== undefined, 'writer._readyPromise_reject !== undefined'); - writer._readyPromise_reject(reason); - writer._readyPromise_resolve = undefined; - writer._readyPromise_reject = undefined; - writer._readyPromiseState = 'rejected'; + function copyCtxState(sourceCtx, destCtx) { + var properties = ['strokeStyle', 'fillStyle', 'fillRule', 'globalAlpha', 'lineWidth', 'lineCap', 'lineJoin', 'miterLimit', 'globalCompositeOperation', 'font']; + for (var i = 0, ii = properties.length; i < ii; i++) { + var property = properties[i]; + if (sourceCtx[property] !== undefined) { + destCtx[property] = sourceCtx[property]; + } + } + if (sourceCtx.setLineDash !== undefined) { + destCtx.setLineDash(sourceCtx.getLineDash()); + destCtx.lineDashOffset = sourceCtx.lineDashOffset; + } } - function defaultWriterReadyPromiseReset(writer) { - assert(writer._readyPromise_resolve === undefined, 'writer._readyPromise_resolve === undefined'); - assert(writer._readyPromise_reject === undefined, 'writer._readyPromise_reject === undefined'); - writer._readyPromise = new Promise(function (resolve, reject) { - writer._readyPromise_resolve = resolve; - writer._readyPromise_reject = reject; - }); - writer._readyPromiseState = 'pending'; + function resetCtxToDefault(ctx) { + ctx.strokeStyle = '#000000'; + ctx.fillStyle = '#000000'; + ctx.fillRule = 'nonzero'; + ctx.globalAlpha = 1; + ctx.lineWidth = 1; + ctx.lineCap = 'butt'; + ctx.lineJoin = 'miter'; + ctx.miterLimit = 10; + ctx.globalCompositeOperation = 'source-over'; + ctx.font = '10px sans-serif'; + if (ctx.setLineDash !== undefined) { + ctx.setLineDash([]); + ctx.lineDashOffset = 0; + } } - function defaultWriterReadyPromiseResetToRejected(writer, reason) { - assert(writer._readyPromise_resolve === undefined, 'writer._readyPromise_resolve === undefined'); - assert(writer._readyPromise_reject === undefined, 'writer._readyPromise_reject === undefined'); - writer._readyPromise = Promise.reject(reason); - writer._readyPromiseState = 'rejected'; + function composeSMaskBackdrop(bytes, r0, g0, b0) { + var length = bytes.length; + for (var i = 3; i < length; i += 4) { + var alpha = bytes[i]; + if (alpha === 0) { + bytes[i - 3] = r0; + bytes[i - 2] = g0; + bytes[i - 1] = b0; + } else if (alpha < 255) { + var alpha_ = 255 - alpha; + bytes[i - 3] = bytes[i - 3] * alpha + r0 * alpha_ >> 8; + bytes[i - 2] = bytes[i - 2] * alpha + g0 * alpha_ >> 8; + bytes[i - 1] = bytes[i - 1] * alpha + b0 * alpha_ >> 8; + } + } } - function defaultWriterReadyPromiseResolve(writer) { - assert(writer._readyPromise_resolve !== undefined, 'writer._readyPromise_resolve !== undefined'); - assert(writer._readyPromise_reject !== undefined, 'writer._readyPromise_reject !== undefined'); - writer._readyPromise_resolve(undefined); - writer._readyPromise_resolve = undefined; - writer._readyPromise_reject = undefined; - writer._readyPromiseState = 'fulfilled'; + function composeSMaskAlpha(maskData, layerData, transferMap) { + var length = maskData.length; + var scale = 1 / 255; + for (var i = 3; i < length; i += 4) { + var alpha = transferMap ? transferMap[maskData[i]] : maskData[i]; + layerData[i] = layerData[i] * alpha * scale | 0; + } } -}, function (module, exports, __w_pdfjs_require__) { - "use strict"; - - var _require = __w_pdfjs_require__(0), - IsFiniteNonNegativeNumber = _require.IsFiniteNonNegativeNumber; - var _require2 = __w_pdfjs_require__(1), - assert = _require2.assert; - exports.DequeueValue = function (container) { - assert('_queue' in container && '_queueTotalSize' in container, 'Spec-level failure: DequeueValue should only be used on containers with [[queue]] and [[queueTotalSize]].'); - assert(container._queue.length > 0, 'Spec-level failure: should never dequeue from an empty queue.'); - var pair = container._queue.shift(); - container._queueTotalSize -= pair.size; - if (container._queueTotalSize < 0) { - container._queueTotalSize = 0; + function composeSMaskLuminosity(maskData, layerData, transferMap) { + var length = maskData.length; + for (var i = 3; i < length; i += 4) { + var y = maskData[i - 3] * 77 + maskData[i - 2] * 152 + maskData[i - 1] * 28; + layerData[i] = transferMap ? layerData[i] * transferMap[y >> 8] >> 8 : layerData[i] * y >> 16; } - return pair.value; - }; - exports.EnqueueValueWithSize = function (container, value, size) { - assert('_queue' in container && '_queueTotalSize' in container, 'Spec-level failure: EnqueueValueWithSize should only be used on containers with [[queue]] and ' + '[[queueTotalSize]].'); - size = Number(size); - if (!IsFiniteNonNegativeNumber(size)) { - throw new RangeError('Size must be a finite, non-NaN, non-negative number.'); + } + function genericComposeSMask(maskCtx, layerCtx, width, height, subtype, backdrop, transferMap) { + var hasBackdrop = !!backdrop; + var r0 = hasBackdrop ? backdrop[0] : 0; + var g0 = hasBackdrop ? backdrop[1] : 0; + var b0 = hasBackdrop ? backdrop[2] : 0; + var composeFn; + if (subtype === 'Luminosity') { + composeFn = composeSMaskLuminosity; + } else { + composeFn = composeSMaskAlpha; } - container._queue.push({ - value: value, - size: size - }); - container._queueTotalSize += size; - }; - exports.PeekQueueValue = function (container) { - assert('_queue' in container && '_queueTotalSize' in container, 'Spec-level failure: PeekQueueValue should only be used on containers with [[queue]] and [[queueTotalSize]].'); - assert(container._queue.length > 0, 'Spec-level failure: should never peek at an empty queue.'); - var pair = container._queue[0]; - return pair.value; - }; - exports.ResetQueue = function (container) { - assert('_queue' in container && '_queueTotalSize' in container, 'Spec-level failure: ResetQueue should only be used on containers with [[queue]] and [[queueTotalSize]].'); - container._queue = []; - container._queueTotalSize = 0; - }; -}, function (module, exports, __w_pdfjs_require__) { - "use strict"; - - var _createClass = function () { - function defineProperties(target, props) { - for (var i = 0; i < props.length; i++) { - var descriptor = props[i]; - descriptor.enumerable = descriptor.enumerable || false; - descriptor.configurable = true; - if ("value" in descriptor) descriptor.writable = true; - Object.defineProperty(target, descriptor.key, descriptor); + var PIXELS_TO_PROCESS = 1048576; + var chunkSize = Math.min(height, Math.ceil(PIXELS_TO_PROCESS / width)); + for (var row = 0; row < height; row += chunkSize) { + var chunkHeight = Math.min(chunkSize, height - row); + var maskData = maskCtx.getImageData(0, row, width, chunkHeight); + var layerData = layerCtx.getImageData(0, row, width, chunkHeight); + if (hasBackdrop) { + composeSMaskBackdrop(maskData.data, r0, g0, b0); } - } - return function (Constructor, protoProps, staticProps) { - if (protoProps) defineProperties(Constructor.prototype, protoProps); - if (staticProps) defineProperties(Constructor, staticProps); - return Constructor; - }; - }(); - function _classCallCheck(instance, Constructor) { - if (!(instance instanceof Constructor)) { - throw new TypeError("Cannot call a class as a function"); + composeFn(maskData.data, layerData.data, transferMap); + maskCtx.putImageData(layerData, 0, row); } } - var _require = __w_pdfjs_require__(0), - ArrayBufferCopy = _require.ArrayBufferCopy, - CreateIterResultObject = _require.CreateIterResultObject, - IsFiniteNonNegativeNumber = _require.IsFiniteNonNegativeNumber, - InvokeOrNoop = _require.InvokeOrNoop, - PromiseInvokeOrNoop = _require.PromiseInvokeOrNoop, - TransferArrayBuffer = _require.TransferArrayBuffer, - ValidateAndNormalizeQueuingStrategy = _require.ValidateAndNormalizeQueuingStrategy, - ValidateAndNormalizeHighWaterMark = _require.ValidateAndNormalizeHighWaterMark; - var _require2 = __w_pdfjs_require__(0), - createArrayFromList = _require2.createArrayFromList, - createDataProperty = _require2.createDataProperty, - typeIsObject = _require2.typeIsObject; - var _require3 = __w_pdfjs_require__(1), - assert = _require3.assert, - rethrowAssertionErrorRejection = _require3.rethrowAssertionErrorRejection; - var _require4 = __w_pdfjs_require__(3), - DequeueValue = _require4.DequeueValue, - EnqueueValueWithSize = _require4.EnqueueValueWithSize, - ResetQueue = _require4.ResetQueue; - var _require5 = __w_pdfjs_require__(2), - AcquireWritableStreamDefaultWriter = _require5.AcquireWritableStreamDefaultWriter, - IsWritableStream = _require5.IsWritableStream, - IsWritableStreamLocked = _require5.IsWritableStreamLocked, - WritableStreamAbort = _require5.WritableStreamAbort, - WritableStreamDefaultWriterCloseWithErrorPropagation = _require5.WritableStreamDefaultWriterCloseWithErrorPropagation, - WritableStreamDefaultWriterRelease = _require5.WritableStreamDefaultWriterRelease, - WritableStreamDefaultWriterWrite = _require5.WritableStreamDefaultWriterWrite, - WritableStreamCloseQueuedOrInFlight = _require5.WritableStreamCloseQueuedOrInFlight; - var ReadableStream = function () { - function ReadableStream() { - var underlyingSource = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {}; - var _ref = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {}, - size = _ref.size, - highWaterMark = _ref.highWaterMark; - _classCallCheck(this, ReadableStream); - this._state = 'readable'; - this._reader = undefined; - this._storedError = undefined; - this._disturbed = false; - this._readableStreamController = undefined; - var type = underlyingSource.type; - var typeString = String(type); - if (typeString === 'bytes') { - if (highWaterMark === undefined) { - highWaterMark = 0; - } - this._readableStreamController = new ReadableByteStreamController(this, underlyingSource, highWaterMark); - } else if (type === undefined) { - if (highWaterMark === undefined) { - highWaterMark = 1; + function composeSMask(ctx, smask, layerCtx, webGLContext) { + var mask = smask.canvas; + var maskCtx = smask.context; + ctx.setTransform(smask.scaleX, 0, 0, smask.scaleY, smask.offsetX, smask.offsetY); + var backdrop = smask.backdrop || null; + if (!smask.transferMap && webGLContext.isEnabled) { + var composed = webGLContext.composeSMask({ + layer: layerCtx.canvas, + mask: mask, + properties: { + subtype: smask.subtype, + backdrop: backdrop } - this._readableStreamController = new ReadableStreamDefaultController(this, underlyingSource, size, highWaterMark); - } else { - throw new RangeError('Invalid type is specified'); + }); + ctx.setTransform(1, 0, 0, 1, 0, 0); + ctx.drawImage(composed, smask.offsetX, smask.offsetY); + return; + } + genericComposeSMask(maskCtx, layerCtx, mask.width, mask.height, smask.subtype, backdrop, smask.transferMap); + ctx.drawImage(mask, 0, 0); + } + var LINE_CAP_STYLES = ['butt', 'round', 'square']; + var LINE_JOIN_STYLES = ['miter', 'round', 'bevel']; + var NORMAL_CLIP = {}; + var EO_CLIP = {}; + CanvasGraphics.prototype = { + beginDrawing: function beginDrawing(_ref) { + var transform = _ref.transform, + viewport = _ref.viewport, + transparency = _ref.transparency, + _ref$background = _ref.background, + background = _ref$background === undefined ? null : _ref$background; + + var width = this.ctx.canvas.width; + var height = this.ctx.canvas.height; + this.ctx.save(); + this.ctx.fillStyle = background || 'rgb(255, 255, 255)'; + this.ctx.fillRect(0, 0, width, height); + this.ctx.restore(); + if (transparency) { + var transparentCanvas = this.cachedCanvases.getCanvas('transparent', width, height, true); + this.compositeCtx = this.ctx; + this.transparentCanvas = transparentCanvas.canvas; + this.ctx = transparentCanvas.context; + this.ctx.save(); + this.ctx.transform.apply(this.ctx, this.compositeCtx.mozCurrentTransform); } - } - _createClass(ReadableStream, [{ - key: 'cancel', - value: function cancel(reason) { - if (IsReadableStream(this) === false) { - return Promise.reject(streamBrandCheckException('cancel')); - } - if (IsReadableStreamLocked(this) === true) { - return Promise.reject(new TypeError('Cannot cancel a stream that already has a reader')); - } - return ReadableStreamCancel(this, reason); + this.ctx.save(); + resetCtxToDefault(this.ctx); + if (transform) { + this.ctx.transform.apply(this.ctx, transform); } - }, { - key: 'getReader', - value: function getReader() { - var _ref2 = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {}, - mode = _ref2.mode; - if (IsReadableStream(this) === false) { - throw streamBrandCheckException('getReader'); - } - if (mode === undefined) { - return AcquireReadableStreamDefaultReader(this); - } - mode = String(mode); - if (mode === 'byob') { - return AcquireReadableStreamBYOBReader(this); - } - throw new RangeError('Invalid mode is specified'); + this.ctx.transform.apply(this.ctx, viewport.transform); + this.baseTransform = this.ctx.mozCurrentTransform.slice(); + if (this.imageLayer) { + this.imageLayer.beginLayout(); } - }, { - key: 'pipeThrough', - value: function pipeThrough(_ref3, options) { - var writable = _ref3.writable, - readable = _ref3.readable; - var promise = this.pipeTo(writable, options); - ifIsObjectAndHasAPromiseIsHandledInternalSlotSetPromiseIsHandledToTrue(promise); - return readable; + }, + + executeOperatorList: function CanvasGraphics_executeOperatorList(operatorList, executionStartIdx, continueCallback, stepper) { + var argsArray = operatorList.argsArray; + var fnArray = operatorList.fnArray; + var i = executionStartIdx || 0; + var argsArrayLen = argsArray.length; + if (argsArrayLen === i) { + return i; } - }, { - key: 'pipeTo', - value: function pipeTo(dest) { - var _this = this; - var _ref4 = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {}, - preventClose = _ref4.preventClose, - preventAbort = _ref4.preventAbort, - preventCancel = _ref4.preventCancel; - if (IsReadableStream(this) === false) { - return Promise.reject(streamBrandCheckException('pipeTo')); - } - if (IsWritableStream(dest) === false) { - return Promise.reject(new TypeError('ReadableStream.prototype.pipeTo\'s first argument must be a WritableStream')); - } - preventClose = Boolean(preventClose); - preventAbort = Boolean(preventAbort); - preventCancel = Boolean(preventCancel); - if (IsReadableStreamLocked(this) === true) { - return Promise.reject(new TypeError('ReadableStream.prototype.pipeTo cannot be used on a locked ReadableStream')); - } - if (IsWritableStreamLocked(dest) === true) { - return Promise.reject(new TypeError('ReadableStream.prototype.pipeTo cannot be used on a locked WritableStream')); + var chunkOperations = argsArrayLen - i > EXECUTION_STEPS && typeof continueCallback === 'function'; + var endTime = chunkOperations ? Date.now() + EXECUTION_TIME : 0; + var steps = 0; + var commonObjs = this.commonObjs; + var objs = this.objs; + var fnId; + while (true) { + if (stepper !== undefined && i === stepper.nextBreakPoint) { + stepper.breakIt(i, continueCallback); + return i; } - var reader = AcquireReadableStreamDefaultReader(this); - var writer = AcquireWritableStreamDefaultWriter(dest); - var shuttingDown = false; - var currentWrite = Promise.resolve(); - return new Promise(function (resolve, reject) { - function pipeLoop() { - currentWrite = Promise.resolve(); - if (shuttingDown === true) { - return Promise.resolve(); - } - return writer._readyPromise.then(function () { - return ReadableStreamDefaultReaderRead(reader).then(function (_ref5) { - var value = _ref5.value, - done = _ref5.done; - if (done === true) { - return; - } - currentWrite = WritableStreamDefaultWriterWrite(writer, value).catch(function () {}); - }); - }).then(pipeLoop); - } - isOrBecomesErrored(_this, reader._closedPromise, function (storedError) { - if (preventAbort === false) { - shutdownWithAction(function () { - return WritableStreamAbort(dest, storedError); - }, true, storedError); - } else { - shutdown(true, storedError); - } - }); - isOrBecomesErrored(dest, writer._closedPromise, function (storedError) { - if (preventCancel === false) { - shutdownWithAction(function () { - return ReadableStreamCancel(_this, storedError); - }, true, storedError); - } else { - shutdown(true, storedError); - } - }); - isOrBecomesClosed(_this, reader._closedPromise, function () { - if (preventClose === false) { - shutdownWithAction(function () { - return WritableStreamDefaultWriterCloseWithErrorPropagation(writer); - }); - } else { - shutdown(); - } - }); - if (WritableStreamCloseQueuedOrInFlight(dest) === true || dest._state === 'closed') { - var destClosed = new TypeError('the destination writable stream closed before all data could be piped to it'); - if (preventCancel === false) { - shutdownWithAction(function () { - return ReadableStreamCancel(_this, destClosed); - }, true, destClosed); - } else { - shutdown(true, destClosed); - } - } - pipeLoop().catch(function (err) { - currentWrite = Promise.resolve(); - rethrowAssertionErrorRejection(err); - }); - function waitForWritesToFinish() { - var oldCurrentWrite = currentWrite; - return currentWrite.then(function () { - return oldCurrentWrite !== currentWrite ? waitForWritesToFinish() : undefined; - }); - } - function isOrBecomesErrored(stream, promise, action) { - if (stream._state === 'errored') { - action(stream._storedError); - } else { - promise.catch(action).catch(rethrowAssertionErrorRejection); + fnId = fnArray[i]; + if (fnId !== _util.OPS.dependency) { + this[fnId].apply(this, argsArray[i]); + } else { + var deps = argsArray[i]; + for (var n = 0, nn = deps.length; n < nn; n++) { + var depObjId = deps[n]; + var common = depObjId[0] === 'g' && depObjId[1] === '_'; + var objsPool = common ? commonObjs : objs; + if (!objsPool.isResolved(depObjId)) { + objsPool.get(depObjId, continueCallback); + return i; } } - function isOrBecomesClosed(stream, promise, action) { - if (stream._state === 'closed') { - action(); - } else { - promise.then(action).catch(rethrowAssertionErrorRejection); - } + } + i++; + if (i === argsArrayLen) { + return i; + } + if (chunkOperations && ++steps > EXECUTION_STEPS) { + if (Date.now() > endTime) { + continueCallback(); + return i; } - function shutdownWithAction(action, originalIsError, originalError) { - if (shuttingDown === true) { - return; - } - shuttingDown = true; - if (dest._state === 'writable' && WritableStreamCloseQueuedOrInFlight(dest) === false) { - waitForWritesToFinish().then(doTheRest); - } else { - doTheRest(); - } - function doTheRest() { - action().then(function () { - return finalize(originalIsError, originalError); - }, function (newError) { - return finalize(true, newError); - }).catch(rethrowAssertionErrorRejection); + steps = 0; + } + } + }, + endDrawing: function CanvasGraphics_endDrawing() { + if (this.current.activeSMask !== null) { + this.endSMaskGroup(); + } + this.ctx.restore(); + if (this.transparentCanvas) { + this.ctx = this.compositeCtx; + this.ctx.save(); + this.ctx.setTransform(1, 0, 0, 1, 0, 0); + this.ctx.drawImage(this.transparentCanvas, 0, 0); + this.ctx.restore(); + this.transparentCanvas = null; + } + this.cachedCanvases.clear(); + this.webGLContext.clear(); + if (this.imageLayer) { + this.imageLayer.endLayout(); + } + }, + setLineWidth: function CanvasGraphics_setLineWidth(width) { + this.current.lineWidth = width; + this.ctx.lineWidth = width; + }, + setLineCap: function CanvasGraphics_setLineCap(style) { + this.ctx.lineCap = LINE_CAP_STYLES[style]; + }, + setLineJoin: function CanvasGraphics_setLineJoin(style) { + this.ctx.lineJoin = LINE_JOIN_STYLES[style]; + }, + setMiterLimit: function CanvasGraphics_setMiterLimit(limit) { + this.ctx.miterLimit = limit; + }, + setDash: function CanvasGraphics_setDash(dashArray, dashPhase) { + var ctx = this.ctx; + if (ctx.setLineDash !== undefined) { + ctx.setLineDash(dashArray); + ctx.lineDashOffset = dashPhase; + } + }, + setRenderingIntent: function CanvasGraphics_setRenderingIntent(intent) {}, + setFlatness: function CanvasGraphics_setFlatness(flatness) {}, + setGState: function CanvasGraphics_setGState(states) { + for (var i = 0, ii = states.length; i < ii; i++) { + var state = states[i]; + var key = state[0]; + var value = state[1]; + switch (key) { + case 'LW': + this.setLineWidth(value); + break; + case 'LC': + this.setLineCap(value); + break; + case 'LJ': + this.setLineJoin(value); + break; + case 'ML': + this.setMiterLimit(value); + break; + case 'D': + this.setDash(value[0], value[1]); + break; + case 'RI': + this.setRenderingIntent(value); + break; + case 'FL': + this.setFlatness(value); + break; + case 'Font': + this.setFont(value[0], value[1]); + break; + case 'CA': + this.current.strokeAlpha = state[1]; + break; + case 'ca': + this.current.fillAlpha = state[1]; + this.ctx.globalAlpha = state[1]; + break; + case 'BM': + this.ctx.globalCompositeOperation = value; + break; + case 'SMask': + if (this.current.activeSMask) { + if (this.stateStack.length > 0 && this.stateStack[this.stateStack.length - 1].activeSMask === this.current.activeSMask) { + this.suspendSMaskGroup(); + } else { + this.endSMaskGroup(); + } } - } - function shutdown(isError, error) { - if (shuttingDown === true) { - return; + this.current.activeSMask = value ? this.tempSMask : null; + if (this.current.activeSMask) { + this.beginSMaskGroup(); } - shuttingDown = true; - if (dest._state === 'writable' && WritableStreamCloseQueuedOrInFlight(dest) === false) { - waitForWritesToFinish().then(function () { - return finalize(isError, error); - }).catch(rethrowAssertionErrorRejection); - } else { - finalize(isError, error); + this.tempSMask = null; + break; + } + } + }, + beginSMaskGroup: function CanvasGraphics_beginSMaskGroup() { + var activeSMask = this.current.activeSMask; + var drawnWidth = activeSMask.canvas.width; + var drawnHeight = activeSMask.canvas.height; + var cacheId = 'smaskGroupAt' + this.groupLevel; + var scratchCanvas = this.cachedCanvases.getCanvas(cacheId, drawnWidth, drawnHeight, true); + var currentCtx = this.ctx; + var currentTransform = currentCtx.mozCurrentTransform; + this.ctx.save(); + var groupCtx = scratchCanvas.context; + groupCtx.scale(1 / activeSMask.scaleX, 1 / activeSMask.scaleY); + groupCtx.translate(-activeSMask.offsetX, -activeSMask.offsetY); + groupCtx.transform.apply(groupCtx, currentTransform); + activeSMask.startTransformInverse = groupCtx.mozCurrentTransformInverse; + copyCtxState(currentCtx, groupCtx); + this.ctx = groupCtx; + this.setGState([['BM', 'source-over'], ['ca', 1], ['CA', 1]]); + this.groupStack.push(currentCtx); + this.groupLevel++; + }, + suspendSMaskGroup: function CanvasGraphics_endSMaskGroup() { + var groupCtx = this.ctx; + this.groupLevel--; + this.ctx = this.groupStack.pop(); + composeSMask(this.ctx, this.current.activeSMask, groupCtx, this.webGLContext); + this.ctx.restore(); + this.ctx.save(); + copyCtxState(groupCtx, this.ctx); + this.current.resumeSMaskCtx = groupCtx; + var deltaTransform = _util.Util.transform(this.current.activeSMask.startTransformInverse, groupCtx.mozCurrentTransform); + this.ctx.transform.apply(this.ctx, deltaTransform); + groupCtx.save(); + groupCtx.setTransform(1, 0, 0, 1, 0, 0); + groupCtx.clearRect(0, 0, groupCtx.canvas.width, groupCtx.canvas.height); + groupCtx.restore(); + }, + resumeSMaskGroup: function CanvasGraphics_endSMaskGroup() { + var groupCtx = this.current.resumeSMaskCtx; + var currentCtx = this.ctx; + this.ctx = groupCtx; + this.groupStack.push(currentCtx); + this.groupLevel++; + }, + endSMaskGroup: function CanvasGraphics_endSMaskGroup() { + var groupCtx = this.ctx; + this.groupLevel--; + this.ctx = this.groupStack.pop(); + composeSMask(this.ctx, this.current.activeSMask, groupCtx, this.webGLContext); + this.ctx.restore(); + copyCtxState(groupCtx, this.ctx); + var deltaTransform = _util.Util.transform(this.current.activeSMask.startTransformInverse, groupCtx.mozCurrentTransform); + this.ctx.transform.apply(this.ctx, deltaTransform); + }, + save: function CanvasGraphics_save() { + this.ctx.save(); + var old = this.current; + this.stateStack.push(old); + this.current = old.clone(); + this.current.resumeSMaskCtx = null; + }, + restore: function CanvasGraphics_restore() { + if (this.current.resumeSMaskCtx) { + this.resumeSMaskGroup(); + } + if (this.current.activeSMask !== null && (this.stateStack.length === 0 || this.stateStack[this.stateStack.length - 1].activeSMask !== this.current.activeSMask)) { + this.endSMaskGroup(); + } + if (this.stateStack.length !== 0) { + this.current = this.stateStack.pop(); + this.ctx.restore(); + this.pendingClip = null; + this._cachedGetSinglePixelWidth = null; + } + }, + transform: function CanvasGraphics_transform(a, b, c, d, e, f) { + this.ctx.transform(a, b, c, d, e, f); + this._cachedGetSinglePixelWidth = null; + }, + constructPath: function CanvasGraphics_constructPath(ops, args) { + var ctx = this.ctx; + var current = this.current; + var x = current.x, + y = current.y; + for (var i = 0, j = 0, ii = ops.length; i < ii; i++) { + switch (ops[i] | 0) { + case _util.OPS.rectangle: + x = args[j++]; + y = args[j++]; + var width = args[j++]; + var height = args[j++]; + if (width === 0) { + width = this.getSinglePixelWidth(); } - } - function finalize(isError, error) { - WritableStreamDefaultWriterRelease(writer); - ReadableStreamReaderGenericRelease(reader); - if (isError) { - reject(error); - } else { - resolve(undefined); + if (height === 0) { + height = this.getSinglePixelWidth(); } - } - }); + var xw = x + width; + var yh = y + height; + this.ctx.moveTo(x, y); + this.ctx.lineTo(xw, y); + this.ctx.lineTo(xw, yh); + this.ctx.lineTo(x, yh); + this.ctx.lineTo(x, y); + this.ctx.closePath(); + break; + case _util.OPS.moveTo: + x = args[j++]; + y = args[j++]; + ctx.moveTo(x, y); + break; + case _util.OPS.lineTo: + x = args[j++]; + y = args[j++]; + ctx.lineTo(x, y); + break; + case _util.OPS.curveTo: + x = args[j + 4]; + y = args[j + 5]; + ctx.bezierCurveTo(args[j], args[j + 1], args[j + 2], args[j + 3], x, y); + j += 6; + break; + case _util.OPS.curveTo2: + ctx.bezierCurveTo(x, y, args[j], args[j + 1], args[j + 2], args[j + 3]); + x = args[j + 2]; + y = args[j + 3]; + j += 4; + break; + case _util.OPS.curveTo3: + x = args[j + 2]; + y = args[j + 3]; + ctx.bezierCurveTo(args[j], args[j + 1], x, y, x, y); + j += 4; + break; + case _util.OPS.closePath: + ctx.closePath(); + break; + } } - }, { - key: 'tee', - value: function tee() { - if (IsReadableStream(this) === false) { - throw streamBrandCheckException('tee'); + current.setCurrentPoint(x, y); + }, + closePath: function CanvasGraphics_closePath() { + this.ctx.closePath(); + }, + stroke: function CanvasGraphics_stroke(consumePath) { + consumePath = typeof consumePath !== 'undefined' ? consumePath : true; + var ctx = this.ctx; + var strokeColor = this.current.strokeColor; + ctx.lineWidth = Math.max(this.getSinglePixelWidth() * MIN_WIDTH_FACTOR, this.current.lineWidth); + ctx.globalAlpha = this.current.strokeAlpha; + if (strokeColor && strokeColor.hasOwnProperty('type') && strokeColor.type === 'Pattern') { + ctx.save(); + ctx.strokeStyle = strokeColor.getPattern(ctx, this); + ctx.stroke(); + ctx.restore(); + } else { + ctx.stroke(); + } + if (consumePath) { + this.consumePath(); + } + ctx.globalAlpha = this.current.fillAlpha; + }, + closeStroke: function CanvasGraphics_closeStroke() { + this.closePath(); + this.stroke(); + }, + fill: function CanvasGraphics_fill(consumePath) { + consumePath = typeof consumePath !== 'undefined' ? consumePath : true; + var ctx = this.ctx; + var fillColor = this.current.fillColor; + var isPatternFill = this.current.patternFill; + var needRestore = false; + if (isPatternFill) { + ctx.save(); + if (this.baseTransform) { + ctx.setTransform.apply(ctx, this.baseTransform); } - var branches = ReadableStreamTee(this, false); - return createArrayFromList(branches); + ctx.fillStyle = fillColor.getPattern(ctx, this); + needRestore = true; } - }, { - key: 'locked', - get: function get() { - if (IsReadableStream(this) === false) { - throw streamBrandCheckException('locked'); - } - return IsReadableStreamLocked(this); + if (this.pendingEOFill) { + ctx.fill('evenodd'); + this.pendingEOFill = false; + } else { + ctx.fill(); } - }]); - return ReadableStream; - }(); - module.exports = { - ReadableStream: ReadableStream, - IsReadableStreamDisturbed: IsReadableStreamDisturbed, - ReadableStreamDefaultControllerClose: ReadableStreamDefaultControllerClose, - ReadableStreamDefaultControllerEnqueue: ReadableStreamDefaultControllerEnqueue, - ReadableStreamDefaultControllerError: ReadableStreamDefaultControllerError, - ReadableStreamDefaultControllerGetDesiredSize: ReadableStreamDefaultControllerGetDesiredSize - }; - function AcquireReadableStreamBYOBReader(stream) { - return new ReadableStreamBYOBReader(stream); - } - function AcquireReadableStreamDefaultReader(stream) { - return new ReadableStreamDefaultReader(stream); - } - function IsReadableStream(x) { - if (!typeIsObject(x)) { - return false; - } - if (!Object.prototype.hasOwnProperty.call(x, '_readableStreamController')) { - return false; - } - return true; - } - function IsReadableStreamDisturbed(stream) { - assert(IsReadableStream(stream) === true, 'IsReadableStreamDisturbed should only be used on known readable streams'); - return stream._disturbed; - } - function IsReadableStreamLocked(stream) { - assert(IsReadableStream(stream) === true, 'IsReadableStreamLocked should only be used on known readable streams'); - if (stream._reader === undefined) { - return false; - } - return true; - } - function ReadableStreamTee(stream, cloneForBranch2) { - assert(IsReadableStream(stream) === true); - assert(typeof cloneForBranch2 === 'boolean'); - var reader = AcquireReadableStreamDefaultReader(stream); - var teeState = { - closedOrErrored: false, - canceled1: false, - canceled2: false, - reason1: undefined, - reason2: undefined - }; - teeState.promise = new Promise(function (resolve) { - teeState._resolve = resolve; - }); - var pull = create_ReadableStreamTeePullFunction(); - pull._reader = reader; - pull._teeState = teeState; - pull._cloneForBranch2 = cloneForBranch2; - var cancel1 = create_ReadableStreamTeeBranch1CancelFunction(); - cancel1._stream = stream; - cancel1._teeState = teeState; - var cancel2 = create_ReadableStreamTeeBranch2CancelFunction(); - cancel2._stream = stream; - cancel2._teeState = teeState; - var underlyingSource1 = Object.create(Object.prototype); - createDataProperty(underlyingSource1, 'pull', pull); - createDataProperty(underlyingSource1, 'cancel', cancel1); - var branch1Stream = new ReadableStream(underlyingSource1); - var underlyingSource2 = Object.create(Object.prototype); - createDataProperty(underlyingSource2, 'pull', pull); - createDataProperty(underlyingSource2, 'cancel', cancel2); - var branch2Stream = new ReadableStream(underlyingSource2); - pull._branch1 = branch1Stream._readableStreamController; - pull._branch2 = branch2Stream._readableStreamController; - reader._closedPromise.catch(function (r) { - if (teeState.closedOrErrored === true) { + if (needRestore) { + ctx.restore(); + } + if (consumePath) { + this.consumePath(); + } + }, + eoFill: function CanvasGraphics_eoFill() { + this.pendingEOFill = true; + this.fill(); + }, + fillStroke: function CanvasGraphics_fillStroke() { + this.fill(false); + this.stroke(false); + this.consumePath(); + }, + eoFillStroke: function CanvasGraphics_eoFillStroke() { + this.pendingEOFill = true; + this.fillStroke(); + }, + closeFillStroke: function CanvasGraphics_closeFillStroke() { + this.closePath(); + this.fillStroke(); + }, + closeEOFillStroke: function CanvasGraphics_closeEOFillStroke() { + this.pendingEOFill = true; + this.closePath(); + this.fillStroke(); + }, + endPath: function CanvasGraphics_endPath() { + this.consumePath(); + }, + clip: function CanvasGraphics_clip() { + this.pendingClip = NORMAL_CLIP; + }, + eoClip: function CanvasGraphics_eoClip() { + this.pendingClip = EO_CLIP; + }, + beginText: function CanvasGraphics_beginText() { + this.current.textMatrix = _util.IDENTITY_MATRIX; + this.current.textMatrixScale = 1; + this.current.x = this.current.lineX = 0; + this.current.y = this.current.lineY = 0; + }, + endText: function CanvasGraphics_endText() { + var paths = this.pendingTextPaths; + var ctx = this.ctx; + if (paths === undefined) { + ctx.beginPath(); return; } - ReadableStreamDefaultControllerError(pull._branch1, r); - ReadableStreamDefaultControllerError(pull._branch2, r); - teeState.closedOrErrored = true; - }); - return [branch1Stream, branch2Stream]; - } - function create_ReadableStreamTeePullFunction() { - function f() { - var reader = f._reader, - branch1 = f._branch1, - branch2 = f._branch2, - teeState = f._teeState; - return ReadableStreamDefaultReaderRead(reader).then(function (result) { - assert(typeIsObject(result)); - var value = result.value; - var done = result.done; - assert(typeof done === 'boolean'); - if (done === true && teeState.closedOrErrored === false) { - if (teeState.canceled1 === false) { - ReadableStreamDefaultControllerClose(branch1); - } - if (teeState.canceled2 === false) { - ReadableStreamDefaultControllerClose(branch2); - } - teeState.closedOrErrored = true; + ctx.save(); + ctx.beginPath(); + for (var i = 0; i < paths.length; i++) { + var path = paths[i]; + ctx.setTransform.apply(ctx, path.transform); + ctx.translate(path.x, path.y); + path.addToPath(ctx, path.fontSize); + } + ctx.restore(); + ctx.clip(); + ctx.beginPath(); + delete this.pendingTextPaths; + }, + setCharSpacing: function CanvasGraphics_setCharSpacing(spacing) { + this.current.charSpacing = spacing; + }, + setWordSpacing: function CanvasGraphics_setWordSpacing(spacing) { + this.current.wordSpacing = spacing; + }, + setHScale: function CanvasGraphics_setHScale(scale) { + this.current.textHScale = scale / 100; + }, + setLeading: function CanvasGraphics_setLeading(leading) { + this.current.leading = -leading; + }, + setFont: function CanvasGraphics_setFont(fontRefName, size) { + var fontObj = this.commonObjs.get(fontRefName); + var current = this.current; + if (!fontObj) { + throw new Error('Can\'t find font for ' + fontRefName); + } + current.fontMatrix = fontObj.fontMatrix ? fontObj.fontMatrix : _util.FONT_IDENTITY_MATRIX; + if (current.fontMatrix[0] === 0 || current.fontMatrix[3] === 0) { + (0, _util.warn)('Invalid font matrix for font ' + fontRefName); + } + if (size < 0) { + size = -size; + current.fontDirection = -1; + } else { + current.fontDirection = 1; + } + this.current.font = fontObj; + this.current.fontSize = size; + if (fontObj.isType3Font) { + return; + } + var name = fontObj.loadedName || 'sans-serif'; + var bold = fontObj.black ? '900' : fontObj.bold ? 'bold' : 'normal'; + var italic = fontObj.italic ? 'italic' : 'normal'; + var typeface = '"' + name + '", ' + fontObj.fallbackName; + var browserFontSize = size < MIN_FONT_SIZE ? MIN_FONT_SIZE : size > MAX_FONT_SIZE ? MAX_FONT_SIZE : size; + this.current.fontSizeScale = size / browserFontSize; + var rule = italic + ' ' + bold + ' ' + browserFontSize + 'px ' + typeface; + this.ctx.font = rule; + }, + setTextRenderingMode: function CanvasGraphics_setTextRenderingMode(mode) { + this.current.textRenderingMode = mode; + }, + setTextRise: function CanvasGraphics_setTextRise(rise) { + this.current.textRise = rise; + }, + moveText: function CanvasGraphics_moveText(x, y) { + this.current.x = this.current.lineX += x; + this.current.y = this.current.lineY += y; + }, + setLeadingMoveText: function CanvasGraphics_setLeadingMoveText(x, y) { + this.setLeading(-y); + this.moveText(x, y); + }, + setTextMatrix: function CanvasGraphics_setTextMatrix(a, b, c, d, e, f) { + this.current.textMatrix = [a, b, c, d, e, f]; + this.current.textMatrixScale = Math.sqrt(a * a + b * b); + this.current.x = this.current.lineX = 0; + this.current.y = this.current.lineY = 0; + }, + nextLine: function CanvasGraphics_nextLine() { + this.moveText(0, this.current.leading); + }, + paintChar: function paintChar(character, x, y, patternTransform) { + var ctx = this.ctx; + var current = this.current; + var font = current.font; + var textRenderingMode = current.textRenderingMode; + var fontSize = current.fontSize / current.fontSizeScale; + var fillStrokeMode = textRenderingMode & _util.TextRenderingMode.FILL_STROKE_MASK; + var isAddToPathSet = !!(textRenderingMode & _util.TextRenderingMode.ADD_TO_PATH_FLAG); + var patternFill = current.patternFill && font.data; + var addToPath; + if (font.disableFontFace || isAddToPathSet || patternFill) { + addToPath = font.getPathGenerator(this.commonObjs, character); + } + if (font.disableFontFace || patternFill) { + ctx.save(); + ctx.translate(x, y); + ctx.beginPath(); + addToPath(ctx, fontSize); + if (patternTransform) { + ctx.setTransform.apply(ctx, patternTransform); } - if (teeState.closedOrErrored === true) { - return; + if (fillStrokeMode === _util.TextRenderingMode.FILL || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) { + ctx.fill(); } - var value1 = value; - var value2 = value; - if (teeState.canceled1 === false) { - ReadableStreamDefaultControllerEnqueue(branch1, value1); + if (fillStrokeMode === _util.TextRenderingMode.STROKE || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) { + ctx.stroke(); } - if (teeState.canceled2 === false) { - ReadableStreamDefaultControllerEnqueue(branch2, value2); + ctx.restore(); + } else { + if (fillStrokeMode === _util.TextRenderingMode.FILL || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) { + ctx.fillText(character, x, y); + } + if (fillStrokeMode === _util.TextRenderingMode.STROKE || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) { + ctx.strokeText(character, x, y); } - }); - } - return f; - } - function create_ReadableStreamTeeBranch1CancelFunction() { - function f(reason) { - var stream = f._stream, - teeState = f._teeState; - teeState.canceled1 = true; - teeState.reason1 = reason; - if (teeState.canceled2 === true) { - var compositeReason = createArrayFromList([teeState.reason1, teeState.reason2]); - var cancelResult = ReadableStreamCancel(stream, compositeReason); - teeState._resolve(cancelResult); - } - return teeState.promise; - } - return f; - } - function create_ReadableStreamTeeBranch2CancelFunction() { - function f(reason) { - var stream = f._stream, - teeState = f._teeState; - teeState.canceled2 = true; - teeState.reason2 = reason; - if (teeState.canceled1 === true) { - var compositeReason = createArrayFromList([teeState.reason1, teeState.reason2]); - var cancelResult = ReadableStreamCancel(stream, compositeReason); - teeState._resolve(cancelResult); } - return teeState.promise; - } - return f; - } - function ReadableStreamAddReadIntoRequest(stream) { - assert(IsReadableStreamBYOBReader(stream._reader) === true); - assert(stream._state === 'readable' || stream._state === 'closed'); - var promise = new Promise(function (resolve, reject) { - var readIntoRequest = { - _resolve: resolve, - _reject: reject - }; - stream._reader._readIntoRequests.push(readIntoRequest); - }); - return promise; - } - function ReadableStreamAddReadRequest(stream) { - assert(IsReadableStreamDefaultReader(stream._reader) === true); - assert(stream._state === 'readable'); - var promise = new Promise(function (resolve, reject) { - var readRequest = { - _resolve: resolve, - _reject: reject - }; - stream._reader._readRequests.push(readRequest); - }); - return promise; - } - function ReadableStreamCancel(stream, reason) { - stream._disturbed = true; - if (stream._state === 'closed') { - return Promise.resolve(undefined); - } - if (stream._state === 'errored') { - return Promise.reject(stream._storedError); - } - ReadableStreamClose(stream); - var sourceCancelPromise = stream._readableStreamController.__cancelSteps(reason); - return sourceCancelPromise.then(function () { - return undefined; - }); - } - function ReadableStreamClose(stream) { - assert(stream._state === 'readable'); - stream._state = 'closed'; - var reader = stream._reader; - if (reader === undefined) { - return undefined; - } - if (IsReadableStreamDefaultReader(reader) === true) { - for (var i = 0; i < reader._readRequests.length; i++) { - var _resolve = reader._readRequests[i]._resolve; - _resolve(CreateIterResultObject(undefined, true)); + if (isAddToPathSet) { + var paths = this.pendingTextPaths || (this.pendingTextPaths = []); + paths.push({ + transform: ctx.mozCurrentTransform, + x: x, + y: y, + fontSize: fontSize, + addToPath: addToPath + }); } - reader._readRequests = []; - } - defaultReaderClosedPromiseResolve(reader); - return undefined; - } - function ReadableStreamError(stream, e) { - assert(IsReadableStream(stream) === true, 'stream must be ReadableStream'); - assert(stream._state === 'readable', 'state must be readable'); - stream._state = 'errored'; - stream._storedError = e; - var reader = stream._reader; - if (reader === undefined) { - return undefined; - } - if (IsReadableStreamDefaultReader(reader) === true) { - for (var i = 0; i < reader._readRequests.length; i++) { - var readRequest = reader._readRequests[i]; - readRequest._reject(e); + }, + + get isFontSubpixelAAEnabled() { + var ctx = this.canvasFactory.create(10, 10).context; + ctx.scale(1.5, 1); + ctx.fillText('I', 0, 10); + var data = ctx.getImageData(0, 0, 10, 10).data; + var enabled = false; + for (var i = 3; i < data.length; i += 4) { + if (data[i] > 0 && data[i] < 255) { + enabled = true; + break; + } } - reader._readRequests = []; - } else { - assert(IsReadableStreamBYOBReader(reader), 'reader must be ReadableStreamBYOBReader'); - for (var _i = 0; _i < reader._readIntoRequests.length; _i++) { - var readIntoRequest = reader._readIntoRequests[_i]; - readIntoRequest._reject(e); + return (0, _util.shadow)(this, 'isFontSubpixelAAEnabled', enabled); + }, + showText: function CanvasGraphics_showText(glyphs) { + var current = this.current; + var font = current.font; + if (font.isType3Font) { + return this.showType3Text(glyphs); } - reader._readIntoRequests = []; - } - defaultReaderClosedPromiseReject(reader, e); - reader._closedPromise.catch(function () {}); - } - function ReadableStreamFulfillReadIntoRequest(stream, chunk, done) { - var reader = stream._reader; - assert(reader._readIntoRequests.length > 0); - var readIntoRequest = reader._readIntoRequests.shift(); - readIntoRequest._resolve(CreateIterResultObject(chunk, done)); - } - function ReadableStreamFulfillReadRequest(stream, chunk, done) { - var reader = stream._reader; - assert(reader._readRequests.length > 0); - var readRequest = reader._readRequests.shift(); - readRequest._resolve(CreateIterResultObject(chunk, done)); - } - function ReadableStreamGetNumReadIntoRequests(stream) { - return stream._reader._readIntoRequests.length; - } - function ReadableStreamGetNumReadRequests(stream) { - return stream._reader._readRequests.length; - } - function ReadableStreamHasBYOBReader(stream) { - var reader = stream._reader; - if (reader === undefined) { - return false; - } - if (IsReadableStreamBYOBReader(reader) === false) { - return false; - } - return true; - } - function ReadableStreamHasDefaultReader(stream) { - var reader = stream._reader; - if (reader === undefined) { - return false; - } - if (IsReadableStreamDefaultReader(reader) === false) { - return false; - } - return true; - } - var ReadableStreamDefaultReader = function () { - function ReadableStreamDefaultReader(stream) { - _classCallCheck(this, ReadableStreamDefaultReader); - if (IsReadableStream(stream) === false) { - throw new TypeError('ReadableStreamDefaultReader can only be constructed with a ReadableStream instance'); + var fontSize = current.fontSize; + if (fontSize === 0) { + return; } - if (IsReadableStreamLocked(stream) === true) { - throw new TypeError('This stream has already been locked for exclusive reading by another reader'); + var ctx = this.ctx; + var fontSizeScale = current.fontSizeScale; + var charSpacing = current.charSpacing; + var wordSpacing = current.wordSpacing; + var fontDirection = current.fontDirection; + var textHScale = current.textHScale * fontDirection; + var glyphsLength = glyphs.length; + var vertical = font.vertical; + var spacingDir = vertical ? 1 : -1; + var defaultVMetrics = font.defaultVMetrics; + var widthAdvanceScale = fontSize * current.fontMatrix[0]; + var simpleFillText = current.textRenderingMode === _util.TextRenderingMode.FILL && !font.disableFontFace && !current.patternFill; + ctx.save(); + var patternTransform = void 0; + if (current.patternFill) { + ctx.save(); + var pattern = current.fillColor.getPattern(ctx, this); + patternTransform = ctx.mozCurrentTransform; + ctx.restore(); + ctx.fillStyle = pattern; } - ReadableStreamReaderGenericInitialize(this, stream); - this._readRequests = []; - } - _createClass(ReadableStreamDefaultReader, [{ - key: 'cancel', - value: function cancel(reason) { - if (IsReadableStreamDefaultReader(this) === false) { - return Promise.reject(defaultReaderBrandCheckException('cancel')); - } - if (this._ownerReadableStream === undefined) { - return Promise.reject(readerLockException('cancel')); - } - return ReadableStreamReaderGenericCancel(this, reason); + ctx.transform.apply(ctx, current.textMatrix); + ctx.translate(current.x, current.y + current.textRise); + if (fontDirection > 0) { + ctx.scale(textHScale, -1); + } else { + ctx.scale(textHScale, 1); } - }, { - key: 'read', - value: function read() { - if (IsReadableStreamDefaultReader(this) === false) { - return Promise.reject(defaultReaderBrandCheckException('read')); - } - if (this._ownerReadableStream === undefined) { - return Promise.reject(readerLockException('read from')); + var lineWidth = current.lineWidth; + var scale = current.textMatrixScale; + if (scale === 0 || lineWidth === 0) { + var fillStrokeMode = current.textRenderingMode & _util.TextRenderingMode.FILL_STROKE_MASK; + if (fillStrokeMode === _util.TextRenderingMode.STROKE || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) { + this._cachedGetSinglePixelWidth = null; + lineWidth = this.getSinglePixelWidth() * MIN_WIDTH_FACTOR; } - return ReadableStreamDefaultReaderRead(this); + } else { + lineWidth /= scale; } - }, { - key: 'releaseLock', - value: function releaseLock() { - if (IsReadableStreamDefaultReader(this) === false) { - throw defaultReaderBrandCheckException('releaseLock'); + if (fontSizeScale !== 1.0) { + ctx.scale(fontSizeScale, fontSizeScale); + lineWidth /= fontSizeScale; + } + ctx.lineWidth = lineWidth; + var x = 0, + i; + for (i = 0; i < glyphsLength; ++i) { + var glyph = glyphs[i]; + if ((0, _util.isNum)(glyph)) { + x += spacingDir * glyph * fontSize / 1000; + continue; } - if (this._ownerReadableStream === undefined) { - return; + var restoreNeeded = false; + var spacing = (glyph.isSpace ? wordSpacing : 0) + charSpacing; + var character = glyph.fontChar; + var accent = glyph.accent; + var scaledX, scaledY, scaledAccentX, scaledAccentY; + var width = glyph.width; + if (vertical) { + var vmetric, vx, vy; + vmetric = glyph.vmetric || defaultVMetrics; + vx = glyph.vmetric ? vmetric[1] : width * 0.5; + vx = -vx * widthAdvanceScale; + vy = vmetric[2] * widthAdvanceScale; + width = vmetric ? -vmetric[0] : width; + scaledX = vx / fontSizeScale; + scaledY = (x + vy) / fontSizeScale; + } else { + scaledX = x / fontSizeScale; + scaledY = 0; } - if (this._readRequests.length > 0) { - throw new TypeError('Tried to release a reader lock when that reader has pending read() calls un-settled'); + if (font.remeasure && width > 0) { + var measuredWidth = ctx.measureText(character).width * 1000 / fontSize * fontSizeScale; + if (width < measuredWidth && this.isFontSubpixelAAEnabled) { + var characterScaleX = width / measuredWidth; + restoreNeeded = true; + ctx.save(); + ctx.scale(characterScaleX, 1); + scaledX /= characterScaleX; + } else if (width !== measuredWidth) { + scaledX += (width - measuredWidth) / 2000 * fontSize / fontSizeScale; + } } - ReadableStreamReaderGenericRelease(this); - } - }, { - key: 'closed', - get: function get() { - if (IsReadableStreamDefaultReader(this) === false) { - return Promise.reject(defaultReaderBrandCheckException('closed')); + if (glyph.isInFont || font.missingFile) { + if (simpleFillText && !accent) { + ctx.fillText(character, scaledX, scaledY); + } else { + this.paintChar(character, scaledX, scaledY, patternTransform); + if (accent) { + scaledAccentX = scaledX + accent.offset.x / fontSizeScale; + scaledAccentY = scaledY - accent.offset.y / fontSizeScale; + this.paintChar(accent.fontChar, scaledAccentX, scaledAccentY, patternTransform); + } + } + } + var charWidth = width * widthAdvanceScale + spacing * fontDirection; + x += charWidth; + if (restoreNeeded) { + ctx.restore(); } - return this._closedPromise; - } - }]); - return ReadableStreamDefaultReader; - }(); - var ReadableStreamBYOBReader = function () { - function ReadableStreamBYOBReader(stream) { - _classCallCheck(this, ReadableStreamBYOBReader); - if (!IsReadableStream(stream)) { - throw new TypeError('ReadableStreamBYOBReader can only be constructed with a ReadableStream instance given a ' + 'byte source'); } - if (IsReadableByteStreamController(stream._readableStreamController) === false) { - throw new TypeError('Cannot construct a ReadableStreamBYOBReader for a stream not constructed with a byte ' + 'source'); + if (vertical) { + current.y -= x * textHScale; + } else { + current.x += x * textHScale; } - if (IsReadableStreamLocked(stream)) { - throw new TypeError('This stream has already been locked for exclusive reading by another reader'); + ctx.restore(); + }, + showType3Text: function CanvasGraphics_showType3Text(glyphs) { + var ctx = this.ctx; + var current = this.current; + var font = current.font; + var fontSize = current.fontSize; + var fontDirection = current.fontDirection; + var spacingDir = font.vertical ? 1 : -1; + var charSpacing = current.charSpacing; + var wordSpacing = current.wordSpacing; + var textHScale = current.textHScale * fontDirection; + var fontMatrix = current.fontMatrix || _util.FONT_IDENTITY_MATRIX; + var glyphsLength = glyphs.length; + var isTextInvisible = current.textRenderingMode === _util.TextRenderingMode.INVISIBLE; + var i, glyph, width, spacingLength; + if (isTextInvisible || fontSize === 0) { + return; } - ReadableStreamReaderGenericInitialize(this, stream); - this._readIntoRequests = []; - } - _createClass(ReadableStreamBYOBReader, [{ - key: 'cancel', - value: function cancel(reason) { - if (!IsReadableStreamBYOBReader(this)) { - return Promise.reject(byobReaderBrandCheckException('cancel')); + this._cachedGetSinglePixelWidth = null; + ctx.save(); + ctx.transform.apply(ctx, current.textMatrix); + ctx.translate(current.x, current.y); + ctx.scale(textHScale, fontDirection); + for (i = 0; i < glyphsLength; ++i) { + glyph = glyphs[i]; + if ((0, _util.isNum)(glyph)) { + spacingLength = spacingDir * glyph * fontSize / 1000; + this.ctx.translate(spacingLength, 0); + current.x += spacingLength * textHScale; + continue; } - if (this._ownerReadableStream === undefined) { - return Promise.reject(readerLockException('cancel')); + var spacing = (glyph.isSpace ? wordSpacing : 0) + charSpacing; + var operatorList = font.charProcOperatorList[glyph.operatorListId]; + if (!operatorList) { + (0, _util.warn)('Type3 character "' + glyph.operatorListId + '" is not available.'); + continue; } - return ReadableStreamReaderGenericCancel(this, reason); + this.processingType3 = glyph; + this.save(); + ctx.scale(fontSize, fontSize); + ctx.transform.apply(ctx, fontMatrix); + this.executeOperatorList(operatorList); + this.restore(); + var transformed = _util.Util.applyTransform([glyph.width, 0], fontMatrix); + width = transformed[0] * fontSize + spacing; + ctx.translate(width, 0); + current.x += width * textHScale; } - }, { - key: 'read', - value: function read(view) { - if (!IsReadableStreamBYOBReader(this)) { - return Promise.reject(byobReaderBrandCheckException('read')); - } - if (this._ownerReadableStream === undefined) { - return Promise.reject(readerLockException('read from')); - } - if (!ArrayBuffer.isView(view)) { - return Promise.reject(new TypeError('view must be an array buffer view')); - } - if (view.byteLength === 0) { - return Promise.reject(new TypeError('view must have non-zero byteLength')); - } - return ReadableStreamBYOBReaderRead(this, view); + ctx.restore(); + this.processingType3 = null; + }, + setCharWidth: function CanvasGraphics_setCharWidth(xWidth, yWidth) {}, + setCharWidthAndBounds: function CanvasGraphics_setCharWidthAndBounds(xWidth, yWidth, llx, lly, urx, ury) { + this.ctx.rect(llx, lly, urx - llx, ury - lly); + this.clip(); + this.endPath(); + }, + getColorN_Pattern: function CanvasGraphics_getColorN_Pattern(IR) { + var _this = this; + + var pattern; + if (IR[0] === 'TilingPattern') { + var color = IR[1]; + var baseTransform = this.baseTransform || this.ctx.mozCurrentTransform.slice(); + var canvasGraphicsFactory = { + createCanvasGraphics: function createCanvasGraphics(ctx) { + return new CanvasGraphics(ctx, _this.commonObjs, _this.objs, _this.canvasFactory, _this.webGLContext); + } + }; + pattern = new _pattern_helper.TilingPattern(IR, color, this.ctx, canvasGraphicsFactory, baseTransform); + } else { + pattern = (0, _pattern_helper.getShadingPatternFromIR)(IR); } - }, { - key: 'releaseLock', - value: function releaseLock() { - if (!IsReadableStreamBYOBReader(this)) { - throw byobReaderBrandCheckException('releaseLock'); - } - if (this._ownerReadableStream === undefined) { - return; - } - if (this._readIntoRequests.length > 0) { - throw new TypeError('Tried to release a reader lock when that reader has pending read() calls un-settled'); - } - ReadableStreamReaderGenericRelease(this); + return pattern; + }, + setStrokeColorN: function CanvasGraphics_setStrokeColorN() { + this.current.strokeColor = this.getColorN_Pattern(arguments); + }, + setFillColorN: function CanvasGraphics_setFillColorN() { + this.current.fillColor = this.getColorN_Pattern(arguments); + this.current.patternFill = true; + }, + setStrokeRGBColor: function CanvasGraphics_setStrokeRGBColor(r, g, b) { + var color = _util.Util.makeCssRgb(r, g, b); + this.ctx.strokeStyle = color; + this.current.strokeColor = color; + }, + setFillRGBColor: function CanvasGraphics_setFillRGBColor(r, g, b) { + var color = _util.Util.makeCssRgb(r, g, b); + this.ctx.fillStyle = color; + this.current.fillColor = color; + this.current.patternFill = false; + }, + shadingFill: function CanvasGraphics_shadingFill(patternIR) { + var ctx = this.ctx; + this.save(); + var pattern = (0, _pattern_helper.getShadingPatternFromIR)(patternIR); + ctx.fillStyle = pattern.getPattern(ctx, this, true); + var inv = ctx.mozCurrentTransformInverse; + if (inv) { + var canvas = ctx.canvas; + var width = canvas.width; + var height = canvas.height; + var bl = _util.Util.applyTransform([0, 0], inv); + var br = _util.Util.applyTransform([0, height], inv); + var ul = _util.Util.applyTransform([width, 0], inv); + var ur = _util.Util.applyTransform([width, height], inv); + var x0 = Math.min(bl[0], br[0], ul[0], ur[0]); + var y0 = Math.min(bl[1], br[1], ul[1], ur[1]); + var x1 = Math.max(bl[0], br[0], ul[0], ur[0]); + var y1 = Math.max(bl[1], br[1], ul[1], ur[1]); + this.ctx.fillRect(x0, y0, x1 - x0, y1 - y0); + } else { + this.ctx.fillRect(-1e10, -1e10, 2e10, 2e10); + } + this.restore(); + }, + beginInlineImage: function CanvasGraphics_beginInlineImage() { + (0, _util.unreachable)('Should not call beginInlineImage'); + }, + beginImageData: function CanvasGraphics_beginImageData() { + (0, _util.unreachable)('Should not call beginImageData'); + }, + paintFormXObjectBegin: function CanvasGraphics_paintFormXObjectBegin(matrix, bbox) { + this.save(); + this.baseTransformStack.push(this.baseTransform); + if (Array.isArray(matrix) && matrix.length === 6) { + this.transform.apply(this, matrix); + } + this.baseTransform = this.ctx.mozCurrentTransform; + if (Array.isArray(bbox) && bbox.length === 4) { + var width = bbox[2] - bbox[0]; + var height = bbox[3] - bbox[1]; + this.ctx.rect(bbox[0], bbox[1], width, height); + this.clip(); + this.endPath(); } - }, { - key: 'closed', - get: function get() { - if (!IsReadableStreamBYOBReader(this)) { - return Promise.reject(byobReaderBrandCheckException('closed')); - } - return this._closedPromise; + }, + paintFormXObjectEnd: function CanvasGraphics_paintFormXObjectEnd() { + this.restore(); + this.baseTransform = this.baseTransformStack.pop(); + }, + beginGroup: function CanvasGraphics_beginGroup(group) { + this.save(); + var currentCtx = this.ctx; + if (!group.isolated) { + (0, _util.info)('TODO: Support non-isolated groups.'); } - }]); - return ReadableStreamBYOBReader; - }(); - function IsReadableStreamBYOBReader(x) { - if (!typeIsObject(x)) { - return false; - } - if (!Object.prototype.hasOwnProperty.call(x, '_readIntoRequests')) { - return false; - } - return true; - } - function IsReadableStreamDefaultReader(x) { - if (!typeIsObject(x)) { - return false; - } - if (!Object.prototype.hasOwnProperty.call(x, '_readRequests')) { - return false; - } - return true; - } - function ReadableStreamReaderGenericInitialize(reader, stream) { - reader._ownerReadableStream = stream; - stream._reader = reader; - if (stream._state === 'readable') { - defaultReaderClosedPromiseInitialize(reader); - } else if (stream._state === 'closed') { - defaultReaderClosedPromiseInitializeAsResolved(reader); - } else { - assert(stream._state === 'errored', 'state must be errored'); - defaultReaderClosedPromiseInitializeAsRejected(reader, stream._storedError); - reader._closedPromise.catch(function () {}); - } - } - function ReadableStreamReaderGenericCancel(reader, reason) { - var stream = reader._ownerReadableStream; - assert(stream !== undefined); - return ReadableStreamCancel(stream, reason); - } - function ReadableStreamReaderGenericRelease(reader) { - assert(reader._ownerReadableStream !== undefined); - assert(reader._ownerReadableStream._reader === reader); - if (reader._ownerReadableStream._state === 'readable') { - defaultReaderClosedPromiseReject(reader, new TypeError('Reader was released and can no longer be used to monitor the stream\'s closedness')); - } else { - defaultReaderClosedPromiseResetToRejected(reader, new TypeError('Reader was released and can no longer be used to monitor the stream\'s closedness')); - } - reader._closedPromise.catch(function () {}); - reader._ownerReadableStream._reader = undefined; - reader._ownerReadableStream = undefined; - } - function ReadableStreamBYOBReaderRead(reader, view) { - var stream = reader._ownerReadableStream; - assert(stream !== undefined); - stream._disturbed = true; - if (stream._state === 'errored') { - return Promise.reject(stream._storedError); - } - return ReadableByteStreamControllerPullInto(stream._readableStreamController, view); - } - function ReadableStreamDefaultReaderRead(reader) { - var stream = reader._ownerReadableStream; - assert(stream !== undefined); - stream._disturbed = true; - if (stream._state === 'closed') { - return Promise.resolve(CreateIterResultObject(undefined, true)); - } - if (stream._state === 'errored') { - return Promise.reject(stream._storedError); - } - assert(stream._state === 'readable'); - return stream._readableStreamController.__pullSteps(); - } - var ReadableStreamDefaultController = function () { - function ReadableStreamDefaultController(stream, underlyingSource, size, highWaterMark) { - _classCallCheck(this, ReadableStreamDefaultController); - if (IsReadableStream(stream) === false) { - throw new TypeError('ReadableStreamDefaultController can only be constructed with a ReadableStream instance'); + if (group.knockout) { + (0, _util.warn)('Knockout groups not supported.'); } - if (stream._readableStreamController !== undefined) { - throw new TypeError('ReadableStreamDefaultController instances can only be created by the ReadableStream constructor'); + var currentTransform = currentCtx.mozCurrentTransform; + if (group.matrix) { + currentCtx.transform.apply(currentCtx, group.matrix); } - this._controlledReadableStream = stream; - this._underlyingSource = underlyingSource; - this._queue = undefined; - this._queueTotalSize = undefined; - ResetQueue(this); - this._started = false; - this._closeRequested = false; - this._pullAgain = false; - this._pulling = false; - var normalizedStrategy = ValidateAndNormalizeQueuingStrategy(size, highWaterMark); - this._strategySize = normalizedStrategy.size; - this._strategyHWM = normalizedStrategy.highWaterMark; - var controller = this; - var startResult = InvokeOrNoop(underlyingSource, 'start', [this]); - Promise.resolve(startResult).then(function () { - controller._started = true; - assert(controller._pulling === false); - assert(controller._pullAgain === false); - ReadableStreamDefaultControllerCallPullIfNeeded(controller); - }, function (r) { - ReadableStreamDefaultControllerErrorIfNeeded(controller, r); - }).catch(rethrowAssertionErrorRejection); - } - _createClass(ReadableStreamDefaultController, [{ - key: 'close', - value: function close() { - if (IsReadableStreamDefaultController(this) === false) { - throw defaultControllerBrandCheckException('close'); - } - if (this._closeRequested === true) { - throw new TypeError('The stream has already been closed; do not close it again!'); - } - var state = this._controlledReadableStream._state; - if (state !== 'readable') { - throw new TypeError('The stream (in ' + state + ' state) is not in the readable state and cannot be closed'); - } - ReadableStreamDefaultControllerClose(this); + if (!group.bbox) { + throw new Error('Bounding box is required.'); } - }, { - key: 'enqueue', - value: function enqueue(chunk) { - if (IsReadableStreamDefaultController(this) === false) { - throw defaultControllerBrandCheckException('enqueue'); - } - if (this._closeRequested === true) { - throw new TypeError('stream is closed or draining'); - } - var state = this._controlledReadableStream._state; - if (state !== 'readable') { - throw new TypeError('The stream (in ' + state + ' state) is not in the readable state and cannot be enqueued to'); - } - return ReadableStreamDefaultControllerEnqueue(this, chunk); + var bounds = _util.Util.getAxialAlignedBoundingBox(group.bbox, currentCtx.mozCurrentTransform); + var canvasBounds = [0, 0, currentCtx.canvas.width, currentCtx.canvas.height]; + bounds = _util.Util.intersect(bounds, canvasBounds) || [0, 0, 0, 0]; + var offsetX = Math.floor(bounds[0]); + var offsetY = Math.floor(bounds[1]); + var drawnWidth = Math.max(Math.ceil(bounds[2]) - offsetX, 1); + var drawnHeight = Math.max(Math.ceil(bounds[3]) - offsetY, 1); + var scaleX = 1, + scaleY = 1; + if (drawnWidth > MAX_GROUP_SIZE) { + scaleX = drawnWidth / MAX_GROUP_SIZE; + drawnWidth = MAX_GROUP_SIZE; } - }, { - key: 'error', - value: function error(e) { - if (IsReadableStreamDefaultController(this) === false) { - throw defaultControllerBrandCheckException('error'); - } - var stream = this._controlledReadableStream; - if (stream._state !== 'readable') { - throw new TypeError('The stream is ' + stream._state + ' and so cannot be errored'); - } - ReadableStreamDefaultControllerError(this, e); + if (drawnHeight > MAX_GROUP_SIZE) { + scaleY = drawnHeight / MAX_GROUP_SIZE; + drawnHeight = MAX_GROUP_SIZE; } - }, { - key: '__cancelSteps', - value: function __cancelSteps(reason) { - ResetQueue(this); - return PromiseInvokeOrNoop(this._underlyingSource, 'cancel', [reason]); + var cacheId = 'groupAt' + this.groupLevel; + if (group.smask) { + cacheId += '_smask_' + this.smaskCounter++ % 2; } - }, { - key: '__pullSteps', - value: function __pullSteps() { - var stream = this._controlledReadableStream; - if (this._queue.length > 0) { - var chunk = DequeueValue(this); - if (this._closeRequested === true && this._queue.length === 0) { - ReadableStreamClose(stream); - } else { - ReadableStreamDefaultControllerCallPullIfNeeded(this); - } - return Promise.resolve(CreateIterResultObject(chunk, false)); - } - var pendingPromise = ReadableStreamAddReadRequest(stream); - ReadableStreamDefaultControllerCallPullIfNeeded(this); - return pendingPromise; + var scratchCanvas = this.cachedCanvases.getCanvas(cacheId, drawnWidth, drawnHeight, true); + var groupCtx = scratchCanvas.context; + groupCtx.scale(1 / scaleX, 1 / scaleY); + groupCtx.translate(-offsetX, -offsetY); + groupCtx.transform.apply(groupCtx, currentTransform); + if (group.smask) { + this.smaskStack.push({ + canvas: scratchCanvas.canvas, + context: groupCtx, + offsetX: offsetX, + offsetY: offsetY, + scaleX: scaleX, + scaleY: scaleY, + subtype: group.smask.subtype, + backdrop: group.smask.backdrop, + transferMap: group.smask.transferMap || null, + startTransformInverse: null + }); + } else { + currentCtx.setTransform(1, 0, 0, 1, 0, 0); + currentCtx.translate(offsetX, offsetY); + currentCtx.scale(scaleX, scaleY); } - }, { - key: 'desiredSize', - get: function get() { - if (IsReadableStreamDefaultController(this) === false) { - throw defaultControllerBrandCheckException('desiredSize'); - } - return ReadableStreamDefaultControllerGetDesiredSize(this); + copyCtxState(currentCtx, groupCtx); + this.ctx = groupCtx; + this.setGState([['BM', 'source-over'], ['ca', 1], ['CA', 1]]); + this.groupStack.push(currentCtx); + this.groupLevel++; + this.current.activeSMask = null; + }, + endGroup: function CanvasGraphics_endGroup(group) { + this.groupLevel--; + var groupCtx = this.ctx; + this.ctx = this.groupStack.pop(); + if (this.ctx.imageSmoothingEnabled !== undefined) { + this.ctx.imageSmoothingEnabled = false; + } else { + this.ctx.mozImageSmoothingEnabled = false; + } + if (group.smask) { + this.tempSMask = this.smaskStack.pop(); + } else { + this.ctx.drawImage(groupCtx.canvas, 0, 0); } - }]); - return ReadableStreamDefaultController; - }(); - function IsReadableStreamDefaultController(x) { - if (!typeIsObject(x)) { - return false; - } - if (!Object.prototype.hasOwnProperty.call(x, '_underlyingSource')) { - return false; - } - return true; - } - function ReadableStreamDefaultControllerCallPullIfNeeded(controller) { - var shouldPull = ReadableStreamDefaultControllerShouldCallPull(controller); - if (shouldPull === false) { - return undefined; - } - if (controller._pulling === true) { - controller._pullAgain = true; - return undefined; - } - assert(controller._pullAgain === false); - controller._pulling = true; - var pullPromise = PromiseInvokeOrNoop(controller._underlyingSource, 'pull', [controller]); - pullPromise.then(function () { - controller._pulling = false; - if (controller._pullAgain === true) { - controller._pullAgain = false; - return ReadableStreamDefaultControllerCallPullIfNeeded(controller); + this.restore(); + }, + beginAnnotations: function CanvasGraphics_beginAnnotations() { + this.save(); + if (this.baseTransform) { + this.ctx.setTransform.apply(this.ctx, this.baseTransform); } - return undefined; - }, function (e) { - ReadableStreamDefaultControllerErrorIfNeeded(controller, e); - }).catch(rethrowAssertionErrorRejection); - return undefined; - } - function ReadableStreamDefaultControllerShouldCallPull(controller) { - var stream = controller._controlledReadableStream; - if (stream._state === 'closed' || stream._state === 'errored') { - return false; - } - if (controller._closeRequested === true) { - return false; - } - if (controller._started === false) { - return false; - } - if (IsReadableStreamLocked(stream) === true && ReadableStreamGetNumReadRequests(stream) > 0) { - return true; - } - var desiredSize = ReadableStreamDefaultControllerGetDesiredSize(controller); - if (desiredSize > 0) { - return true; - } - return false; - } - function ReadableStreamDefaultControllerClose(controller) { - var stream = controller._controlledReadableStream; - assert(controller._closeRequested === false); - assert(stream._state === 'readable'); - controller._closeRequested = true; - if (controller._queue.length === 0) { - ReadableStreamClose(stream); - } - } - function ReadableStreamDefaultControllerEnqueue(controller, chunk) { - var stream = controller._controlledReadableStream; - assert(controller._closeRequested === false); - assert(stream._state === 'readable'); - if (IsReadableStreamLocked(stream) === true && ReadableStreamGetNumReadRequests(stream) > 0) { - ReadableStreamFulfillReadRequest(stream, chunk, false); - } else { - var chunkSize = 1; - if (controller._strategySize !== undefined) { - var strategySize = controller._strategySize; - try { - chunkSize = strategySize(chunk); - } catch (chunkSizeE) { - ReadableStreamDefaultControllerErrorIfNeeded(controller, chunkSizeE); - throw chunkSizeE; - } + }, + endAnnotations: function CanvasGraphics_endAnnotations() { + this.restore(); + }, + beginAnnotation: function CanvasGraphics_beginAnnotation(rect, transform, matrix) { + this.save(); + resetCtxToDefault(this.ctx); + this.current = new CanvasExtraState(); + if (Array.isArray(rect) && rect.length === 4) { + var width = rect[2] - rect[0]; + var height = rect[3] - rect[1]; + this.ctx.rect(rect[0], rect[1], width, height); + this.clip(); + this.endPath(); } - try { - EnqueueValueWithSize(controller, chunk, chunkSize); - } catch (enqueueE) { - ReadableStreamDefaultControllerErrorIfNeeded(controller, enqueueE); - throw enqueueE; + this.transform.apply(this, transform); + this.transform.apply(this, matrix); + }, + endAnnotation: function CanvasGraphics_endAnnotation() { + this.restore(); + }, + paintJpegXObject: function CanvasGraphics_paintJpegXObject(objId, w, h) { + var domImage = this.objs.get(objId); + if (!domImage) { + (0, _util.warn)('Dependent image isn\'t ready yet'); + return; } - } - ReadableStreamDefaultControllerCallPullIfNeeded(controller); - return undefined; - } - function ReadableStreamDefaultControllerError(controller, e) { - var stream = controller._controlledReadableStream; - assert(stream._state === 'readable'); - ResetQueue(controller); - ReadableStreamError(stream, e); - } - function ReadableStreamDefaultControllerErrorIfNeeded(controller, e) { - if (controller._controlledReadableStream._state === 'readable') { - ReadableStreamDefaultControllerError(controller, e); - } - } - function ReadableStreamDefaultControllerGetDesiredSize(controller) { - var stream = controller._controlledReadableStream; - var state = stream._state; - if (state === 'errored') { - return null; - } - if (state === 'closed') { - return 0; - } - return controller._strategyHWM - controller._queueTotalSize; - } - var ReadableStreamBYOBRequest = function () { - function ReadableStreamBYOBRequest(controller, view) { - _classCallCheck(this, ReadableStreamBYOBRequest); - this._associatedReadableByteStreamController = controller; - this._view = view; - } - _createClass(ReadableStreamBYOBRequest, [{ - key: 'respond', - value: function respond(bytesWritten) { - if (IsReadableStreamBYOBRequest(this) === false) { - throw byobRequestBrandCheckException('respond'); - } - if (this._associatedReadableByteStreamController === undefined) { - throw new TypeError('This BYOB request has been invalidated'); - } - ReadableByteStreamControllerRespond(this._associatedReadableByteStreamController, bytesWritten); + this.save(); + var ctx = this.ctx; + ctx.scale(1 / w, -1 / h); + ctx.drawImage(domImage, 0, 0, domImage.width, domImage.height, 0, -h, w, h); + if (this.imageLayer) { + var currentTransform = ctx.mozCurrentTransformInverse; + var position = this.getCanvasPosition(0, 0); + this.imageLayer.appendImage({ + objId: objId, + left: position[0], + top: position[1], + width: w / currentTransform[0], + height: h / currentTransform[3] + }); } - }, { - key: 'respondWithNewView', - value: function respondWithNewView(view) { - if (IsReadableStreamBYOBRequest(this) === false) { - throw byobRequestBrandCheckException('respond'); - } - if (this._associatedReadableByteStreamController === undefined) { - throw new TypeError('This BYOB request has been invalidated'); - } - if (!ArrayBuffer.isView(view)) { - throw new TypeError('You can only respond with array buffer views'); + this.restore(); + }, + paintImageMaskXObject: function CanvasGraphics_paintImageMaskXObject(img) { + var ctx = this.ctx; + var width = img.width, + height = img.height; + var fillColor = this.current.fillColor; + var isPatternFill = this.current.patternFill; + var glyph = this.processingType3; + if (COMPILE_TYPE3_GLYPHS && glyph && glyph.compiled === undefined) { + if (width <= MAX_SIZE_TO_COMPILE && height <= MAX_SIZE_TO_COMPILE) { + glyph.compiled = compileType3Glyph({ + data: img.data, + width: width, + height: height + }); + } else { + glyph.compiled = null; } - ReadableByteStreamControllerRespondWithNewView(this._associatedReadableByteStreamController, view); } - }, { - key: 'view', - get: function get() { - return this._view; + if (glyph && glyph.compiled) { + glyph.compiled(ctx); + return; } - }]); - return ReadableStreamBYOBRequest; - }(); - var ReadableByteStreamController = function () { - function ReadableByteStreamController(stream, underlyingByteSource, highWaterMark) { - _classCallCheck(this, ReadableByteStreamController); - if (IsReadableStream(stream) === false) { - throw new TypeError('ReadableByteStreamController can only be constructed with a ReadableStream instance given ' + 'a byte source'); + var maskCanvas = this.cachedCanvases.getCanvas('maskCanvas', width, height); + var maskCtx = maskCanvas.context; + maskCtx.save(); + putBinaryImageMask(maskCtx, img); + maskCtx.globalCompositeOperation = 'source-in'; + maskCtx.fillStyle = isPatternFill ? fillColor.getPattern(maskCtx, this) : fillColor; + maskCtx.fillRect(0, 0, width, height); + maskCtx.restore(); + this.paintInlineImageXObject(maskCanvas.canvas); + }, + paintImageMaskXObjectRepeat: function CanvasGraphics_paintImageMaskXObjectRepeat(imgData, scaleX, scaleY, positions) { + var width = imgData.width; + var height = imgData.height; + var fillColor = this.current.fillColor; + var isPatternFill = this.current.patternFill; + var maskCanvas = this.cachedCanvases.getCanvas('maskCanvas', width, height); + var maskCtx = maskCanvas.context; + maskCtx.save(); + putBinaryImageMask(maskCtx, imgData); + maskCtx.globalCompositeOperation = 'source-in'; + maskCtx.fillStyle = isPatternFill ? fillColor.getPattern(maskCtx, this) : fillColor; + maskCtx.fillRect(0, 0, width, height); + maskCtx.restore(); + var ctx = this.ctx; + for (var i = 0, ii = positions.length; i < ii; i += 2) { + ctx.save(); + ctx.transform(scaleX, 0, 0, scaleY, positions[i], positions[i + 1]); + ctx.scale(1, -1); + ctx.drawImage(maskCanvas.canvas, 0, 0, width, height, 0, -1, 1, 1); + ctx.restore(); + } + }, + paintImageMaskXObjectGroup: function CanvasGraphics_paintImageMaskXObjectGroup(images) { + var ctx = this.ctx; + var fillColor = this.current.fillColor; + var isPatternFill = this.current.patternFill; + for (var i = 0, ii = images.length; i < ii; i++) { + var image = images[i]; + var width = image.width, + height = image.height; + var maskCanvas = this.cachedCanvases.getCanvas('maskCanvas', width, height); + var maskCtx = maskCanvas.context; + maskCtx.save(); + putBinaryImageMask(maskCtx, image); + maskCtx.globalCompositeOperation = 'source-in'; + maskCtx.fillStyle = isPatternFill ? fillColor.getPattern(maskCtx, this) : fillColor; + maskCtx.fillRect(0, 0, width, height); + maskCtx.restore(); + ctx.save(); + ctx.transform.apply(ctx, image.transform); + ctx.scale(1, -1); + ctx.drawImage(maskCanvas.canvas, 0, 0, width, height, 0, -1, 1, 1); + ctx.restore(); } - if (stream._readableStreamController !== undefined) { - throw new TypeError('ReadableByteStreamController instances can only be created by the ReadableStream constructor given a byte ' + 'source'); + }, + paintImageXObject: function CanvasGraphics_paintImageXObject(objId) { + var imgData = this.objs.get(objId); + if (!imgData) { + (0, _util.warn)('Dependent image isn\'t ready yet'); + return; } - this._controlledReadableStream = stream; - this._underlyingByteSource = underlyingByteSource; - this._pullAgain = false; - this._pulling = false; - ReadableByteStreamControllerClearPendingPullIntos(this); - this._queue = this._queueTotalSize = undefined; - ResetQueue(this); - this._closeRequested = false; - this._started = false; - this._strategyHWM = ValidateAndNormalizeHighWaterMark(highWaterMark); - var autoAllocateChunkSize = underlyingByteSource.autoAllocateChunkSize; - if (autoAllocateChunkSize !== undefined) { - if (Number.isInteger(autoAllocateChunkSize) === false || autoAllocateChunkSize <= 0) { - throw new RangeError('autoAllocateChunkSize must be a positive integer'); - } + this.paintInlineImageXObject(imgData); + }, + paintImageXObjectRepeat: function CanvasGraphics_paintImageXObjectRepeat(objId, scaleX, scaleY, positions) { + var imgData = this.objs.get(objId); + if (!imgData) { + (0, _util.warn)('Dependent image isn\'t ready yet'); + return; } - this._autoAllocateChunkSize = autoAllocateChunkSize; - this._pendingPullIntos = []; - var controller = this; - var startResult = InvokeOrNoop(underlyingByteSource, 'start', [this]); - Promise.resolve(startResult).then(function () { - controller._started = true; - assert(controller._pulling === false); - assert(controller._pullAgain === false); - ReadableByteStreamControllerCallPullIfNeeded(controller); - }, function (r) { - if (stream._state === 'readable') { - ReadableByteStreamControllerError(controller, r); - } - }).catch(rethrowAssertionErrorRejection); - } - _createClass(ReadableByteStreamController, [{ - key: 'close', - value: function close() { - if (IsReadableByteStreamController(this) === false) { - throw byteStreamControllerBrandCheckException('close'); - } - if (this._closeRequested === true) { - throw new TypeError('The stream has already been closed; do not close it again!'); - } - var state = this._controlledReadableStream._state; - if (state !== 'readable') { - throw new TypeError('The stream (in ' + state + ' state) is not in the readable state and cannot be closed'); - } - ReadableByteStreamControllerClose(this); + var width = imgData.width; + var height = imgData.height; + var map = []; + for (var i = 0, ii = positions.length; i < ii; i += 2) { + map.push({ + transform: [scaleX, 0, 0, scaleY, positions[i], positions[i + 1]], + x: 0, + y: 0, + w: width, + h: height + }); } - }, { - key: 'enqueue', - value: function enqueue(chunk) { - if (IsReadableByteStreamController(this) === false) { - throw byteStreamControllerBrandCheckException('enqueue'); - } - if (this._closeRequested === true) { - throw new TypeError('stream is closed or draining'); - } - var state = this._controlledReadableStream._state; - if (state !== 'readable') { - throw new TypeError('The stream (in ' + state + ' state) is not in the readable state and cannot be enqueued to'); - } - if (!ArrayBuffer.isView(chunk)) { - throw new TypeError('You can only enqueue array buffer views when using a ReadableByteStreamController'); - } - ReadableByteStreamControllerEnqueue(this, chunk); + this.paintInlineImageXObjectGroup(imgData, map); + }, + paintInlineImageXObject: function CanvasGraphics_paintInlineImageXObject(imgData) { + var width = imgData.width; + var height = imgData.height; + var ctx = this.ctx; + this.save(); + ctx.scale(1 / width, -1 / height); + var currentTransform = ctx.mozCurrentTransformInverse; + var a = currentTransform[0], + b = currentTransform[1]; + var widthScale = Math.max(Math.sqrt(a * a + b * b), 1); + var c = currentTransform[2], + d = currentTransform[3]; + var heightScale = Math.max(Math.sqrt(c * c + d * d), 1); + var imgToPaint, tmpCanvas; + if (typeof HTMLElement === 'function' && imgData instanceof HTMLElement || !imgData.data) { + imgToPaint = imgData; + } else { + tmpCanvas = this.cachedCanvases.getCanvas('inlineImage', width, height); + var tmpCtx = tmpCanvas.context; + putBinaryImageData(tmpCtx, imgData); + imgToPaint = tmpCanvas.canvas; } - }, { - key: 'error', - value: function error(e) { - if (IsReadableByteStreamController(this) === false) { - throw byteStreamControllerBrandCheckException('error'); + var paintWidth = width, + paintHeight = height; + var tmpCanvasId = 'prescale1'; + while (widthScale > 2 && paintWidth > 1 || heightScale > 2 && paintHeight > 1) { + var newWidth = paintWidth, + newHeight = paintHeight; + if (widthScale > 2 && paintWidth > 1) { + newWidth = Math.ceil(paintWidth / 2); + widthScale /= paintWidth / newWidth; } - var stream = this._controlledReadableStream; - if (stream._state !== 'readable') { - throw new TypeError('The stream is ' + stream._state + ' and so cannot be errored'); + if (heightScale > 2 && paintHeight > 1) { + newHeight = Math.ceil(paintHeight / 2); + heightScale /= paintHeight / newHeight; } - ReadableByteStreamControllerError(this, e); + tmpCanvas = this.cachedCanvases.getCanvas(tmpCanvasId, newWidth, newHeight); + tmpCtx = tmpCanvas.context; + tmpCtx.clearRect(0, 0, newWidth, newHeight); + tmpCtx.drawImage(imgToPaint, 0, 0, paintWidth, paintHeight, 0, 0, newWidth, newHeight); + imgToPaint = tmpCanvas.canvas; + paintWidth = newWidth; + paintHeight = newHeight; + tmpCanvasId = tmpCanvasId === 'prescale1' ? 'prescale2' : 'prescale1'; } - }, { - key: '__cancelSteps', - value: function __cancelSteps(reason) { - if (this._pendingPullIntos.length > 0) { - var firstDescriptor = this._pendingPullIntos[0]; - firstDescriptor.bytesFilled = 0; - } - ResetQueue(this); - return PromiseInvokeOrNoop(this._underlyingByteSource, 'cancel', [reason]); + ctx.drawImage(imgToPaint, 0, 0, paintWidth, paintHeight, 0, -height, width, height); + if (this.imageLayer) { + var position = this.getCanvasPosition(0, -height); + this.imageLayer.appendImage({ + imgData: imgData, + left: position[0], + top: position[1], + width: width / currentTransform[0], + height: height / currentTransform[3] + }); } - }, { - key: '__pullSteps', - value: function __pullSteps() { - var stream = this._controlledReadableStream; - assert(ReadableStreamHasDefaultReader(stream) === true); - if (this._queueTotalSize > 0) { - assert(ReadableStreamGetNumReadRequests(stream) === 0); - var entry = this._queue.shift(); - this._queueTotalSize -= entry.byteLength; - ReadableByteStreamControllerHandleQueueDrain(this); - var view = void 0; - try { - view = new Uint8Array(entry.buffer, entry.byteOffset, entry.byteLength); - } catch (viewE) { - return Promise.reject(viewE); - } - return Promise.resolve(CreateIterResultObject(view, false)); - } - var autoAllocateChunkSize = this._autoAllocateChunkSize; - if (autoAllocateChunkSize !== undefined) { - var buffer = void 0; - try { - buffer = new ArrayBuffer(autoAllocateChunkSize); - } catch (bufferE) { - return Promise.reject(bufferE); - } - var pullIntoDescriptor = { - buffer: buffer, - byteOffset: 0, - byteLength: autoAllocateChunkSize, - bytesFilled: 0, - elementSize: 1, - ctor: Uint8Array, - readerType: 'default' - }; - this._pendingPullIntos.push(pullIntoDescriptor); + this.restore(); + }, + paintInlineImageXObjectGroup: function CanvasGraphics_paintInlineImageXObjectGroup(imgData, map) { + var ctx = this.ctx; + var w = imgData.width; + var h = imgData.height; + var tmpCanvas = this.cachedCanvases.getCanvas('inlineImage', w, h); + var tmpCtx = tmpCanvas.context; + putBinaryImageData(tmpCtx, imgData); + for (var i = 0, ii = map.length; i < ii; i++) { + var entry = map[i]; + ctx.save(); + ctx.transform.apply(ctx, entry.transform); + ctx.scale(1, -1); + ctx.drawImage(tmpCanvas.canvas, entry.x, entry.y, entry.w, entry.h, 0, -1, 1, 1); + if (this.imageLayer) { + var position = this.getCanvasPosition(entry.x, entry.y); + this.imageLayer.appendImage({ + imgData: imgData, + left: position[0], + top: position[1], + width: w, + height: h + }); } - var promise = ReadableStreamAddReadRequest(stream); - ReadableByteStreamControllerCallPullIfNeeded(this); - return promise; + ctx.restore(); } - }, { - key: 'byobRequest', - get: function get() { - if (IsReadableByteStreamController(this) === false) { - throw byteStreamControllerBrandCheckException('byobRequest'); - } - if (this._byobRequest === undefined && this._pendingPullIntos.length > 0) { - var firstDescriptor = this._pendingPullIntos[0]; - var view = new Uint8Array(firstDescriptor.buffer, firstDescriptor.byteOffset + firstDescriptor.bytesFilled, firstDescriptor.byteLength - firstDescriptor.bytesFilled); - this._byobRequest = new ReadableStreamBYOBRequest(this, view); + }, + paintSolidColorImageMask: function CanvasGraphics_paintSolidColorImageMask() { + this.ctx.fillRect(0, 0, 1, 1); + }, + paintXObject: function CanvasGraphics_paintXObject() { + (0, _util.warn)('Unsupported \'paintXObject\' command.'); + }, + markPoint: function CanvasGraphics_markPoint(tag) {}, + markPointProps: function CanvasGraphics_markPointProps(tag, properties) {}, + beginMarkedContent: function CanvasGraphics_beginMarkedContent(tag) {}, + beginMarkedContentProps: function CanvasGraphics_beginMarkedContentProps(tag, properties) {}, + endMarkedContent: function CanvasGraphics_endMarkedContent() {}, + beginCompat: function CanvasGraphics_beginCompat() {}, + endCompat: function CanvasGraphics_endCompat() {}, + consumePath: function CanvasGraphics_consumePath() { + var ctx = this.ctx; + if (this.pendingClip) { + if (this.pendingClip === EO_CLIP) { + ctx.clip('evenodd'); + } else { + ctx.clip(); } - return this._byobRequest; + this.pendingClip = null; } - }, { - key: 'desiredSize', - get: function get() { - if (IsReadableByteStreamController(this) === false) { - throw byteStreamControllerBrandCheckException('desiredSize'); - } - return ReadableByteStreamControllerGetDesiredSize(this); + ctx.beginPath(); + }, + getSinglePixelWidth: function getSinglePixelWidth(scale) { + if (this._cachedGetSinglePixelWidth === null) { + var inverse = this.ctx.mozCurrentTransformInverse; + this._cachedGetSinglePixelWidth = Math.sqrt(Math.max(inverse[0] * inverse[0] + inverse[1] * inverse[1], inverse[2] * inverse[2] + inverse[3] * inverse[3])); } - }]); - return ReadableByteStreamController; - }(); - function IsReadableByteStreamController(x) { - if (!typeIsObject(x)) { - return false; - } - if (!Object.prototype.hasOwnProperty.call(x, '_underlyingByteSource')) { - return false; - } - return true; - } - function IsReadableStreamBYOBRequest(x) { - if (!typeIsObject(x)) { - return false; - } - if (!Object.prototype.hasOwnProperty.call(x, '_associatedReadableByteStreamController')) { - return false; + return this._cachedGetSinglePixelWidth; + }, + + getCanvasPosition: function CanvasGraphics_getCanvasPosition(x, y) { + var transform = this.ctx.mozCurrentTransform; + return [transform[0] * x + transform[2] * y + transform[4], transform[1] * x + transform[3] * y + transform[5]]; } - return true; + }; + for (var op in _util.OPS) { + CanvasGraphics.prototype[_util.OPS[op]] = CanvasGraphics.prototype[op]; } - function ReadableByteStreamControllerCallPullIfNeeded(controller) { - var shouldPull = ReadableByteStreamControllerShouldCallPull(controller); - if (shouldPull === false) { - return undefined; - } - if (controller._pulling === true) { - controller._pullAgain = true; - return undefined; - } - assert(controller._pullAgain === false); - controller._pulling = true; - var pullPromise = PromiseInvokeOrNoop(controller._underlyingByteSource, 'pull', [controller]); - pullPromise.then(function () { - controller._pulling = false; - if (controller._pullAgain === true) { - controller._pullAgain = false; - ReadableByteStreamControllerCallPullIfNeeded(controller); - } - }, function (e) { - if (controller._controlledReadableStream._state === 'readable') { - ReadableByteStreamControllerError(controller, e); + return CanvasGraphics; +}(); +exports.CanvasGraphics = CanvasGraphics; + +/***/ }), +/* 134 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +Object.defineProperty(exports, "__esModule", { + value: true +}); +exports.TilingPattern = exports.getShadingPatternFromIR = undefined; + +var _util = __w_pdfjs_require__(1); + +var ShadingIRs = {}; +ShadingIRs.RadialAxial = { + fromIR: function RadialAxial_fromIR(raw) { + var type = raw[1]; + var colorStops = raw[2]; + var p0 = raw[3]; + var p1 = raw[4]; + var r0 = raw[5]; + var r1 = raw[6]; + return { + type: 'Pattern', + getPattern: function RadialAxial_getPattern(ctx) { + var grad; + if (type === 'axial') { + grad = ctx.createLinearGradient(p0[0], p0[1], p1[0], p1[1]); + } else if (type === 'radial') { + grad = ctx.createRadialGradient(p0[0], p0[1], r0, p1[0], p1[1], r1); + } + for (var i = 0, ii = colorStops.length; i < ii; ++i) { + var c = colorStops[i]; + grad.addColorStop(c[0], c[1]); + } + return grad; } - }).catch(rethrowAssertionErrorRejection); - return undefined; - } - function ReadableByteStreamControllerClearPendingPullIntos(controller) { - ReadableByteStreamControllerInvalidateBYOBRequest(controller); - controller._pendingPullIntos = []; + }; } - function ReadableByteStreamControllerCommitPullIntoDescriptor(stream, pullIntoDescriptor) { - assert(stream._state !== 'errored', 'state must not be errored'); - var done = false; - if (stream._state === 'closed') { - assert(pullIntoDescriptor.bytesFilled === 0); - done = true; +}; +var createMeshCanvas = function createMeshCanvasClosure() { + function drawTriangle(data, context, p1, p2, p3, c1, c2, c3) { + var coords = context.coords, + colors = context.colors; + var bytes = data.data, + rowSize = data.width * 4; + var tmp; + if (coords[p1 + 1] > coords[p2 + 1]) { + tmp = p1; + p1 = p2; + p2 = tmp; + tmp = c1; + c1 = c2; + c2 = tmp; } - var filledView = ReadableByteStreamControllerConvertPullIntoDescriptor(pullIntoDescriptor); - if (pullIntoDescriptor.readerType === 'default') { - ReadableStreamFulfillReadRequest(stream, filledView, done); - } else { - assert(pullIntoDescriptor.readerType === 'byob'); - ReadableStreamFulfillReadIntoRequest(stream, filledView, done); + if (coords[p2 + 1] > coords[p3 + 1]) { + tmp = p2; + p2 = p3; + p3 = tmp; + tmp = c2; + c2 = c3; + c3 = tmp; } - } - function ReadableByteStreamControllerConvertPullIntoDescriptor(pullIntoDescriptor) { - var bytesFilled = pullIntoDescriptor.bytesFilled; - var elementSize = pullIntoDescriptor.elementSize; - assert(bytesFilled <= pullIntoDescriptor.byteLength); - assert(bytesFilled % elementSize === 0); - return new pullIntoDescriptor.ctor(pullIntoDescriptor.buffer, pullIntoDescriptor.byteOffset, bytesFilled / elementSize); - } - function ReadableByteStreamControllerEnqueueChunkToQueue(controller, buffer, byteOffset, byteLength) { - controller._queue.push({ - buffer: buffer, - byteOffset: byteOffset, - byteLength: byteLength - }); - controller._queueTotalSize += byteLength; - } - function ReadableByteStreamControllerFillPullIntoDescriptorFromQueue(controller, pullIntoDescriptor) { - var elementSize = pullIntoDescriptor.elementSize; - var currentAlignedBytes = pullIntoDescriptor.bytesFilled - pullIntoDescriptor.bytesFilled % elementSize; - var maxBytesToCopy = Math.min(controller._queueTotalSize, pullIntoDescriptor.byteLength - pullIntoDescriptor.bytesFilled); - var maxBytesFilled = pullIntoDescriptor.bytesFilled + maxBytesToCopy; - var maxAlignedBytes = maxBytesFilled - maxBytesFilled % elementSize; - var totalBytesToCopyRemaining = maxBytesToCopy; - var ready = false; - if (maxAlignedBytes > currentAlignedBytes) { - totalBytesToCopyRemaining = maxAlignedBytes - pullIntoDescriptor.bytesFilled; - ready = true; + if (coords[p1 + 1] > coords[p2 + 1]) { + tmp = p1; + p1 = p2; + p2 = tmp; + tmp = c1; + c1 = c2; + c2 = tmp; } - var queue = controller._queue; - while (totalBytesToCopyRemaining > 0) { - var headOfQueue = queue[0]; - var bytesToCopy = Math.min(totalBytesToCopyRemaining, headOfQueue.byteLength); - var destStart = pullIntoDescriptor.byteOffset + pullIntoDescriptor.bytesFilled; - ArrayBufferCopy(pullIntoDescriptor.buffer, destStart, headOfQueue.buffer, headOfQueue.byteOffset, bytesToCopy); - if (headOfQueue.byteLength === bytesToCopy) { - queue.shift(); + var x1 = (coords[p1] + context.offsetX) * context.scaleX; + var y1 = (coords[p1 + 1] + context.offsetY) * context.scaleY; + var x2 = (coords[p2] + context.offsetX) * context.scaleX; + var y2 = (coords[p2 + 1] + context.offsetY) * context.scaleY; + var x3 = (coords[p3] + context.offsetX) * context.scaleX; + var y3 = (coords[p3 + 1] + context.offsetY) * context.scaleY; + if (y1 >= y3) { + return; + } + var c1r = colors[c1], + c1g = colors[c1 + 1], + c1b = colors[c1 + 2]; + var c2r = colors[c2], + c2g = colors[c2 + 1], + c2b = colors[c2 + 2]; + var c3r = colors[c3], + c3g = colors[c3 + 1], + c3b = colors[c3 + 2]; + var minY = Math.round(y1), + maxY = Math.round(y3); + var xa, car, cag, cab; + var xb, cbr, cbg, cbb; + var k; + for (var y = minY; y <= maxY; y++) { + if (y < y2) { + k = y < y1 ? 0 : y1 === y2 ? 1 : (y1 - y) / (y1 - y2); + xa = x1 - (x1 - x2) * k; + car = c1r - (c1r - c2r) * k; + cag = c1g - (c1g - c2g) * k; + cab = c1b - (c1b - c2b) * k; } else { - headOfQueue.byteOffset += bytesToCopy; - headOfQueue.byteLength -= bytesToCopy; + k = y > y3 ? 1 : y2 === y3 ? 0 : (y2 - y) / (y2 - y3); + xa = x2 - (x2 - x3) * k; + car = c2r - (c2r - c3r) * k; + cag = c2g - (c2g - c3g) * k; + cab = c2b - (c2b - c3b) * k; + } + k = y < y1 ? 0 : y > y3 ? 1 : (y1 - y) / (y1 - y3); + xb = x1 - (x1 - x3) * k; + cbr = c1r - (c1r - c3r) * k; + cbg = c1g - (c1g - c3g) * k; + cbb = c1b - (c1b - c3b) * k; + var x1_ = Math.round(Math.min(xa, xb)); + var x2_ = Math.round(Math.max(xa, xb)); + var j = rowSize * y + x1_ * 4; + for (var x = x1_; x <= x2_; x++) { + k = (xa - x) / (xa - xb); + k = k < 0 ? 0 : k > 1 ? 1 : k; + bytes[j++] = car - (car - cbr) * k | 0; + bytes[j++] = cag - (cag - cbg) * k | 0; + bytes[j++] = cab - (cab - cbb) * k | 0; + bytes[j++] = 255; } - controller._queueTotalSize -= bytesToCopy; - ReadableByteStreamControllerFillHeadPullIntoDescriptor(controller, bytesToCopy, pullIntoDescriptor); - totalBytesToCopyRemaining -= bytesToCopy; - } - if (ready === false) { - assert(controller._queueTotalSize === 0, 'queue must be empty'); - assert(pullIntoDescriptor.bytesFilled > 0); - assert(pullIntoDescriptor.bytesFilled < pullIntoDescriptor.elementSize); - } - return ready; - } - function ReadableByteStreamControllerFillHeadPullIntoDescriptor(controller, size, pullIntoDescriptor) { - assert(controller._pendingPullIntos.length === 0 || controller._pendingPullIntos[0] === pullIntoDescriptor); - ReadableByteStreamControllerInvalidateBYOBRequest(controller); - pullIntoDescriptor.bytesFilled += size; - } - function ReadableByteStreamControllerHandleQueueDrain(controller) { - assert(controller._controlledReadableStream._state === 'readable'); - if (controller._queueTotalSize === 0 && controller._closeRequested === true) { - ReadableStreamClose(controller._controlledReadableStream); - } else { - ReadableByteStreamControllerCallPullIfNeeded(controller); } } - function ReadableByteStreamControllerInvalidateBYOBRequest(controller) { - if (controller._byobRequest === undefined) { - return; + function drawFigure(data, figure, context) { + var ps = figure.coords; + var cs = figure.colors; + var i, ii; + switch (figure.type) { + case 'lattice': + var verticesPerRow = figure.verticesPerRow; + var rows = Math.floor(ps.length / verticesPerRow) - 1; + var cols = verticesPerRow - 1; + for (i = 0; i < rows; i++) { + var q = i * verticesPerRow; + for (var j = 0; j < cols; j++, q++) { + drawTriangle(data, context, ps[q], ps[q + 1], ps[q + verticesPerRow], cs[q], cs[q + 1], cs[q + verticesPerRow]); + drawTriangle(data, context, ps[q + verticesPerRow + 1], ps[q + 1], ps[q + verticesPerRow], cs[q + verticesPerRow + 1], cs[q + 1], cs[q + verticesPerRow]); + } + } + break; + case 'triangles': + for (i = 0, ii = ps.length; i < ii; i += 3) { + drawTriangle(data, context, ps[i], ps[i + 1], ps[i + 2], cs[i], cs[i + 1], cs[i + 2]); + } + break; + default: + throw new Error('illegal figure'); } - controller._byobRequest._associatedReadableByteStreamController = undefined; - controller._byobRequest._view = undefined; - controller._byobRequest = undefined; } - function ReadableByteStreamControllerProcessPullIntoDescriptorsUsingQueue(controller) { - assert(controller._closeRequested === false); - while (controller._pendingPullIntos.length > 0) { - if (controller._queueTotalSize === 0) { - return; + function createMeshCanvas(bounds, combinesScale, coords, colors, figures, backgroundColor, cachedCanvases, webGLContext) { + var EXPECTED_SCALE = 1.1; + var MAX_PATTERN_SIZE = 3000; + var BORDER_SIZE = 2; + var offsetX = Math.floor(bounds[0]); + var offsetY = Math.floor(bounds[1]); + var boundsWidth = Math.ceil(bounds[2]) - offsetX; + var boundsHeight = Math.ceil(bounds[3]) - offsetY; + var width = Math.min(Math.ceil(Math.abs(boundsWidth * combinesScale[0] * EXPECTED_SCALE)), MAX_PATTERN_SIZE); + var height = Math.min(Math.ceil(Math.abs(boundsHeight * combinesScale[1] * EXPECTED_SCALE)), MAX_PATTERN_SIZE); + var scaleX = boundsWidth / width; + var scaleY = boundsHeight / height; + var context = { + coords: coords, + colors: colors, + offsetX: -offsetX, + offsetY: -offsetY, + scaleX: 1 / scaleX, + scaleY: 1 / scaleY + }; + var paddedWidth = width + BORDER_SIZE * 2; + var paddedHeight = height + BORDER_SIZE * 2; + var canvas, tmpCanvas, i, ii; + if (webGLContext.isEnabled) { + canvas = webGLContext.drawFigures({ + width: width, + height: height, + backgroundColor: backgroundColor, + figures: figures, + context: context + }); + tmpCanvas = cachedCanvases.getCanvas('mesh', paddedWidth, paddedHeight, false); + tmpCanvas.context.drawImage(canvas, BORDER_SIZE, BORDER_SIZE); + canvas = tmpCanvas.canvas; + } else { + tmpCanvas = cachedCanvases.getCanvas('mesh', paddedWidth, paddedHeight, false); + var tmpCtx = tmpCanvas.context; + var data = tmpCtx.createImageData(width, height); + if (backgroundColor) { + var bytes = data.data; + for (i = 0, ii = bytes.length; i < ii; i += 4) { + bytes[i] = backgroundColor[0]; + bytes[i + 1] = backgroundColor[1]; + bytes[i + 2] = backgroundColor[2]; + bytes[i + 3] = 255; + } } - var pullIntoDescriptor = controller._pendingPullIntos[0]; - if (ReadableByteStreamControllerFillPullIntoDescriptorFromQueue(controller, pullIntoDescriptor) === true) { - ReadableByteStreamControllerShiftPendingPullInto(controller); - ReadableByteStreamControllerCommitPullIntoDescriptor(controller._controlledReadableStream, pullIntoDescriptor); + for (i = 0; i < figures.length; i++) { + drawFigure(data, figures[i], context); } + tmpCtx.putImageData(data, BORDER_SIZE, BORDER_SIZE); + canvas = tmpCanvas.canvas; } + return { + canvas: canvas, + offsetX: offsetX - BORDER_SIZE * scaleX, + offsetY: offsetY - BORDER_SIZE * scaleY, + scaleX: scaleX, + scaleY: scaleY + }; } - function ReadableByteStreamControllerPullInto(controller, view) { - var stream = controller._controlledReadableStream; - var elementSize = 1; - if (view.constructor !== DataView) { - elementSize = view.constructor.BYTES_PER_ELEMENT; - } - var ctor = view.constructor; - var pullIntoDescriptor = { - buffer: view.buffer, - byteOffset: view.byteOffset, - byteLength: view.byteLength, - bytesFilled: 0, - elementSize: elementSize, - ctor: ctor, - readerType: 'byob' + return createMeshCanvas; +}(); +ShadingIRs.Mesh = { + fromIR: function Mesh_fromIR(raw) { + var coords = raw[2]; + var colors = raw[3]; + var figures = raw[4]; + var bounds = raw[5]; + var matrix = raw[6]; + var background = raw[8]; + return { + type: 'Pattern', + getPattern: function Mesh_getPattern(ctx, owner, shadingFill) { + var scale; + if (shadingFill) { + scale = _util.Util.singularValueDecompose2dScale(ctx.mozCurrentTransform); + } else { + scale = _util.Util.singularValueDecompose2dScale(owner.baseTransform); + if (matrix) { + var matrixScale = _util.Util.singularValueDecompose2dScale(matrix); + scale = [scale[0] * matrixScale[0], scale[1] * matrixScale[1]]; + } + } + var temporaryPatternCanvas = createMeshCanvas(bounds, scale, coords, colors, figures, shadingFill ? null : background, owner.cachedCanvases, owner.webGLContext); + if (!shadingFill) { + ctx.setTransform.apply(ctx, owner.baseTransform); + if (matrix) { + ctx.transform.apply(ctx, matrix); + } + } + ctx.translate(temporaryPatternCanvas.offsetX, temporaryPatternCanvas.offsetY); + ctx.scale(temporaryPatternCanvas.scaleX, temporaryPatternCanvas.scaleY); + return ctx.createPattern(temporaryPatternCanvas.canvas, 'no-repeat'); + } }; - if (controller._pendingPullIntos.length > 0) { - pullIntoDescriptor.buffer = TransferArrayBuffer(pullIntoDescriptor.buffer); - controller._pendingPullIntos.push(pullIntoDescriptor); - return ReadableStreamAddReadIntoRequest(stream); - } - if (stream._state === 'closed') { - var emptyView = new view.constructor(pullIntoDescriptor.buffer, pullIntoDescriptor.byteOffset, 0); - return Promise.resolve(CreateIterResultObject(emptyView, true)); - } - if (controller._queueTotalSize > 0) { - if (ReadableByteStreamControllerFillPullIntoDescriptorFromQueue(controller, pullIntoDescriptor) === true) { - var filledView = ReadableByteStreamControllerConvertPullIntoDescriptor(pullIntoDescriptor); - ReadableByteStreamControllerHandleQueueDrain(controller); - return Promise.resolve(CreateIterResultObject(filledView, false)); + } +}; +ShadingIRs.Dummy = { + fromIR: function Dummy_fromIR() { + return { + type: 'Pattern', + getPattern: function Dummy_fromIR_getPattern() { + return 'hotpink'; + } + }; + } +}; +function getShadingPatternFromIR(raw) { + var shadingIR = ShadingIRs[raw[0]]; + if (!shadingIR) { + throw new Error('Unknown IR type: ' + raw[0]); + } + return shadingIR.fromIR(raw); +} +var TilingPattern = function TilingPatternClosure() { + var PaintType = { + COLORED: 1, + UNCOLORED: 2 + }; + var MAX_PATTERN_SIZE = 3000; + function TilingPattern(IR, color, ctx, canvasGraphicsFactory, baseTransform) { + this.operatorList = IR[2]; + this.matrix = IR[3] || [1, 0, 0, 1, 0, 0]; + this.bbox = IR[4]; + this.xstep = IR[5]; + this.ystep = IR[6]; + this.paintType = IR[7]; + this.tilingType = IR[8]; + this.color = color; + this.canvasGraphicsFactory = canvasGraphicsFactory; + this.baseTransform = baseTransform; + this.type = 'Pattern'; + this.ctx = ctx; + } + TilingPattern.prototype = { + createPatternCanvas: function TilinPattern_createPatternCanvas(owner) { + var operatorList = this.operatorList; + var bbox = this.bbox; + var xstep = this.xstep; + var ystep = this.ystep; + var paintType = this.paintType; + var tilingType = this.tilingType; + var color = this.color; + var canvasGraphicsFactory = this.canvasGraphicsFactory; + (0, _util.info)('TilingType: ' + tilingType); + var x0 = bbox[0], + y0 = bbox[1], + x1 = bbox[2], + y1 = bbox[3]; + var topLeft = [x0, y0]; + var botRight = [x0 + xstep, y0 + ystep]; + var width = botRight[0] - topLeft[0]; + var height = botRight[1] - topLeft[1]; + var matrixScale = _util.Util.singularValueDecompose2dScale(this.matrix); + var curMatrixScale = _util.Util.singularValueDecompose2dScale(this.baseTransform); + var combinedScale = [matrixScale[0] * curMatrixScale[0], matrixScale[1] * curMatrixScale[1]]; + width = Math.min(Math.ceil(Math.abs(width * combinedScale[0])), MAX_PATTERN_SIZE); + height = Math.min(Math.ceil(Math.abs(height * combinedScale[1])), MAX_PATTERN_SIZE); + var tmpCanvas = owner.cachedCanvases.getCanvas('pattern', width, height, true); + var tmpCtx = tmpCanvas.context; + var graphics = canvasGraphicsFactory.createCanvasGraphics(tmpCtx); + graphics.groupLevel = owner.groupLevel; + this.setFillAndStrokeStyleToContext(graphics, paintType, color); + this.setScale(width, height, xstep, ystep); + this.transformToScale(graphics); + var tmpTranslate = [1, 0, 0, 1, -topLeft[0], -topLeft[1]]; + graphics.transform.apply(graphics, tmpTranslate); + this.clipBbox(graphics, bbox, x0, y0, x1, y1); + graphics.executeOperatorList(operatorList); + return tmpCanvas.canvas; + }, + setScale: function TilingPattern_setScale(width, height, xstep, ystep) { + this.scale = [width / xstep, height / ystep]; + }, + transformToScale: function TilingPattern_transformToScale(graphics) { + var scale = this.scale; + var tmpScale = [scale[0], 0, 0, scale[1], 0, 0]; + graphics.transform.apply(graphics, tmpScale); + }, + scaleToContext: function TilingPattern_scaleToContext() { + var scale = this.scale; + this.ctx.scale(1 / scale[0], 1 / scale[1]); + }, + clipBbox: function clipBbox(graphics, bbox, x0, y0, x1, y1) { + if (Array.isArray(bbox) && bbox.length === 4) { + var bboxWidth = x1 - x0; + var bboxHeight = y1 - y0; + graphics.ctx.rect(x0, y0, bboxWidth, bboxHeight); + graphics.clip(); + graphics.endPath(); } - if (controller._closeRequested === true) { - var e = new TypeError('Insufficient bytes to fill elements in the given buffer'); - ReadableByteStreamControllerError(controller, e); - return Promise.reject(e); + }, + setFillAndStrokeStyleToContext: function setFillAndStrokeStyleToContext(graphics, paintType, color) { + var context = graphics.ctx, + current = graphics.current; + switch (paintType) { + case PaintType.COLORED: + var ctx = this.ctx; + context.fillStyle = ctx.fillStyle; + context.strokeStyle = ctx.strokeStyle; + current.fillColor = ctx.fillStyle; + current.strokeColor = ctx.strokeStyle; + break; + case PaintType.UNCOLORED: + var cssColor = _util.Util.makeCssRgb(color[0], color[1], color[2]); + context.fillStyle = cssColor; + context.strokeStyle = cssColor; + current.fillColor = cssColor; + current.strokeColor = cssColor; + break; + default: + throw new _util.FormatError('Unsupported paint type: ' + paintType); } + }, + getPattern: function TilingPattern_getPattern(ctx, owner) { + var temporaryPatternCanvas = this.createPatternCanvas(owner); + ctx = this.ctx; + ctx.setTransform.apply(ctx, this.baseTransform); + ctx.transform.apply(ctx, this.matrix); + this.scaleToContext(); + return ctx.createPattern(temporaryPatternCanvas, 'repeat'); } - pullIntoDescriptor.buffer = TransferArrayBuffer(pullIntoDescriptor.buffer); - controller._pendingPullIntos.push(pullIntoDescriptor); - var promise = ReadableStreamAddReadIntoRequest(stream); - ReadableByteStreamControllerCallPullIfNeeded(controller); - return promise; - } - function ReadableByteStreamControllerRespondInClosedState(controller, firstDescriptor) { - firstDescriptor.buffer = TransferArrayBuffer(firstDescriptor.buffer); - assert(firstDescriptor.bytesFilled === 0, 'bytesFilled must be 0'); - var stream = controller._controlledReadableStream; - if (ReadableStreamHasBYOBReader(stream) === true) { - while (ReadableStreamGetNumReadIntoRequests(stream) > 0) { - var pullIntoDescriptor = ReadableByteStreamControllerShiftPendingPullInto(controller); - ReadableByteStreamControllerCommitPullIntoDescriptor(stream, pullIntoDescriptor); + }; + return TilingPattern; +}(); +exports.getShadingPatternFromIR = getShadingPatternFromIR; +exports.TilingPattern = TilingPattern; + +/***/ }), +/* 135 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +Object.defineProperty(exports, "__esModule", { + value: true +}); +var GlobalWorkerOptions = Object.create(null); +GlobalWorkerOptions.workerPort = GlobalWorkerOptions.workerPort === undefined ? null : GlobalWorkerOptions.workerPort; +GlobalWorkerOptions.workerSrc = GlobalWorkerOptions.workerSrc === undefined ? '' : GlobalWorkerOptions.workerSrc; +exports.GlobalWorkerOptions = GlobalWorkerOptions; + +/***/ }), +/* 136 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +Object.defineProperty(exports, "__esModule", { + value: true +}); +exports.MessageHandler = undefined; + +var _regenerator = __w_pdfjs_require__(137); + +var _regenerator2 = _interopRequireDefault(_regenerator); + +var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; + +var resolveCall = function () { + var _ref = _asyncToGenerator( /*#__PURE__*/_regenerator2.default.mark(function _callee(fn, args) { + var thisArg = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : null; + return _regenerator2.default.wrap(function _callee$(_context) { + while (1) { + switch (_context.prev = _context.next) { + case 0: + if (fn) { + _context.next = 2; + break; + } + + return _context.abrupt('return'); + + case 2: + return _context.abrupt('return', fn.apply(thisArg, args)); + + case 3: + case 'end': + return _context.stop(); + } } - } - } - function ReadableByteStreamControllerRespondInReadableState(controller, bytesWritten, pullIntoDescriptor) { - if (pullIntoDescriptor.bytesFilled + bytesWritten > pullIntoDescriptor.byteLength) { - throw new RangeError('bytesWritten out of range'); - } - ReadableByteStreamControllerFillHeadPullIntoDescriptor(controller, bytesWritten, pullIntoDescriptor); - if (pullIntoDescriptor.bytesFilled < pullIntoDescriptor.elementSize) { - return; - } - ReadableByteStreamControllerShiftPendingPullInto(controller); - var remainderSize = pullIntoDescriptor.bytesFilled % pullIntoDescriptor.elementSize; - if (remainderSize > 0) { - var end = pullIntoDescriptor.byteOffset + pullIntoDescriptor.bytesFilled; - var remainder = pullIntoDescriptor.buffer.slice(end - remainderSize, end); - ReadableByteStreamControllerEnqueueChunkToQueue(controller, remainder, 0, remainder.byteLength); - } - pullIntoDescriptor.buffer = TransferArrayBuffer(pullIntoDescriptor.buffer); - pullIntoDescriptor.bytesFilled -= remainderSize; - ReadableByteStreamControllerCommitPullIntoDescriptor(controller._controlledReadableStream, pullIntoDescriptor); - ReadableByteStreamControllerProcessPullIntoDescriptorsUsingQueue(controller); + }, _callee, this); + })); + + return function resolveCall(_x2, _x3) { + return _ref.apply(this, arguments); + }; +}(); + +var _util = __w_pdfjs_require__(1); + +function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } + +function _asyncToGenerator(fn) { return function () { var gen = fn.apply(this, arguments); return new Promise(function (resolve, reject) { function step(key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { return Promise.resolve(value).then(function (value) { step("next", value); }, function (err) { step("throw", err); }); } } return step("next"); }); }; } + +function wrapReason(reason) { + if ((typeof reason === 'undefined' ? 'undefined' : _typeof(reason)) !== 'object') { + return reason; } - function ReadableByteStreamControllerRespondInternal(controller, bytesWritten) { - var firstDescriptor = controller._pendingPullIntos[0]; - var stream = controller._controlledReadableStream; - if (stream._state === 'closed') { - if (bytesWritten !== 0) { - throw new TypeError('bytesWritten must be 0 when calling respond() on a closed stream'); - } - ReadableByteStreamControllerRespondInClosedState(controller, firstDescriptor); - } else { - assert(stream._state === 'readable'); - ReadableByteStreamControllerRespondInReadableState(controller, bytesWritten, firstDescriptor); - } + switch (reason.name) { + case 'AbortException': + return new _util.AbortException(reason.message); + case 'MissingPDFException': + return new _util.MissingPDFException(reason.message); + case 'UnexpectedResponseException': + return new _util.UnexpectedResponseException(reason.message, reason.status); + default: + return new _util.UnknownErrorException(reason.message, reason.details); } - function ReadableByteStreamControllerShiftPendingPullInto(controller) { - var descriptor = controller._pendingPullIntos.shift(); - ReadableByteStreamControllerInvalidateBYOBRequest(controller); - return descriptor; +} +function makeReasonSerializable(reason) { + if (!(reason instanceof Error) || reason instanceof _util.AbortException || reason instanceof _util.MissingPDFException || reason instanceof _util.UnexpectedResponseException || reason instanceof _util.UnknownErrorException) { + return reason; } - function ReadableByteStreamControllerShouldCallPull(controller) { - var stream = controller._controlledReadableStream; - if (stream._state !== 'readable') { - return false; - } - if (controller._closeRequested === true) { - return false; - } - if (controller._started === false) { - return false; - } - if (ReadableStreamHasDefaultReader(stream) === true && ReadableStreamGetNumReadRequests(stream) > 0) { - return true; - } - if (ReadableStreamHasBYOBReader(stream) === true && ReadableStreamGetNumReadIntoRequests(stream) > 0) { - return true; - } - if (ReadableByteStreamControllerGetDesiredSize(controller) > 0) { - return true; - } - return false; + return new _util.UnknownErrorException(reason.message, reason.toString()); +} +function resolveOrReject(capability, success, reason) { + if (success) { + capability.resolve(); + } else { + capability.reject(reason); } - function ReadableByteStreamControllerClose(controller) { - var stream = controller._controlledReadableStream; - assert(controller._closeRequested === false); - assert(stream._state === 'readable'); - if (controller._queueTotalSize > 0) { - controller._closeRequested = true; +} +function finalize(promise) { + return Promise.resolve(promise).catch(function () {}); +} +function MessageHandler(sourceName, targetName, comObj) { + var _this = this; + + this.sourceName = sourceName; + this.targetName = targetName; + this.comObj = comObj; + this.callbackId = 1; + this.streamId = 1; + this.postMessageTransfers = true; + this.streamSinks = Object.create(null); + this.streamControllers = Object.create(null); + var callbacksCapabilities = this.callbacksCapabilities = Object.create(null); + var ah = this.actionHandler = Object.create(null); + this._onComObjOnMessage = function (event) { + var data = event.data; + if (data.targetName !== _this.sourceName) { return; } - if (controller._pendingPullIntos.length > 0) { - var firstPendingPullInto = controller._pendingPullIntos[0]; - if (firstPendingPullInto.bytesFilled > 0) { - var e = new TypeError('Insufficient bytes to fill elements in the given buffer'); - ReadableByteStreamControllerError(controller, e); - throw e; - } - } - ReadableStreamClose(stream); - } - function ReadableByteStreamControllerEnqueue(controller, chunk) { - var stream = controller._controlledReadableStream; - assert(controller._closeRequested === false); - assert(stream._state === 'readable'); - var buffer = chunk.buffer; - var byteOffset = chunk.byteOffset; - var byteLength = chunk.byteLength; - var transferredBuffer = TransferArrayBuffer(buffer); - if (ReadableStreamHasDefaultReader(stream) === true) { - if (ReadableStreamGetNumReadRequests(stream) === 0) { - ReadableByteStreamControllerEnqueueChunkToQueue(controller, transferredBuffer, byteOffset, byteLength); + if (data.stream) { + _this._processStreamMessage(data); + } else if (data.isReply) { + var callbackId = data.callbackId; + if (data.callbackId in callbacksCapabilities) { + var callback = callbacksCapabilities[callbackId]; + delete callbacksCapabilities[callbackId]; + if ('error' in data) { + callback.reject(wrapReason(data.error)); + } else { + callback.resolve(data.data); + } } else { - assert(controller._queue.length === 0); - var transferredView = new Uint8Array(transferredBuffer, byteOffset, byteLength); - ReadableStreamFulfillReadRequest(stream, transferredView, false); + throw new Error('Cannot resolve callback ' + callbackId); } - } else if (ReadableStreamHasBYOBReader(stream) === true) { - ReadableByteStreamControllerEnqueueChunkToQueue(controller, transferredBuffer, byteOffset, byteLength); - ReadableByteStreamControllerProcessPullIntoDescriptorsUsingQueue(controller); - } else { - assert(IsReadableStreamLocked(stream) === false, 'stream must not be locked'); - ReadableByteStreamControllerEnqueueChunkToQueue(controller, transferredBuffer, byteOffset, byteLength); - } - } - function ReadableByteStreamControllerError(controller, e) { - var stream = controller._controlledReadableStream; - assert(stream._state === 'readable'); - ReadableByteStreamControllerClearPendingPullIntos(controller); - ResetQueue(controller); - ReadableStreamError(stream, e); - } - function ReadableByteStreamControllerGetDesiredSize(controller) { - var stream = controller._controlledReadableStream; - var state = stream._state; - if (state === 'errored') { - return null; + } else if (data.action in ah) { + var action = ah[data.action]; + if (data.callbackId) { + var _sourceName = _this.sourceName; + var _targetName = data.sourceName; + Promise.resolve().then(function () { + return action[0].call(action[1], data.data); + }).then(function (result) { + comObj.postMessage({ + sourceName: _sourceName, + targetName: _targetName, + isReply: true, + callbackId: data.callbackId, + data: result + }); + }, function (reason) { + comObj.postMessage({ + sourceName: _sourceName, + targetName: _targetName, + isReply: true, + callbackId: data.callbackId, + error: makeReasonSerializable(reason) + }); + }); + } else if (data.streamId) { + _this._createStreamSink(data); + } else { + action[0].call(action[1], data.data); + } + } else { + throw new Error('Unknown action from worker: ' + data.action); } - if (state === 'closed') { - return 0; + }; + comObj.addEventListener('message', this._onComObjOnMessage); +} +MessageHandler.prototype = { + on: function on(actionName, handler, scope) { + var ah = this.actionHandler; + if (ah[actionName]) { + throw new Error('There is already an actionName called "' + actionName + '"'); } - return controller._strategyHWM - controller._queueTotalSize; - } - function ReadableByteStreamControllerRespond(controller, bytesWritten) { - bytesWritten = Number(bytesWritten); - if (IsFiniteNonNegativeNumber(bytesWritten) === false) { - throw new RangeError('bytesWritten must be a finite'); + ah[actionName] = [handler, scope]; + }, + send: function send(actionName, data, transfers) { + var message = { + sourceName: this.sourceName, + targetName: this.targetName, + action: actionName, + data: data + }; + this.postMessage(message, transfers); + }, + sendWithPromise: function sendWithPromise(actionName, data, transfers) { + var callbackId = this.callbackId++; + var message = { + sourceName: this.sourceName, + targetName: this.targetName, + action: actionName, + data: data, + callbackId: callbackId + }; + var capability = (0, _util.createPromiseCapability)(); + this.callbacksCapabilities[callbackId] = capability; + try { + this.postMessage(message, transfers); + } catch (e) { + capability.reject(e); } - assert(controller._pendingPullIntos.length > 0); - ReadableByteStreamControllerRespondInternal(controller, bytesWritten); - } - function ReadableByteStreamControllerRespondWithNewView(controller, view) { - assert(controller._pendingPullIntos.length > 0); - var firstDescriptor = controller._pendingPullIntos[0]; - if (firstDescriptor.byteOffset + firstDescriptor.bytesFilled !== view.byteOffset) { - throw new RangeError('The region specified by view does not match byobRequest'); + return capability.promise; + }, + sendWithStream: function sendWithStream(actionName, data, queueingStrategy, transfers) { + var _this2 = this; + + var streamId = this.streamId++; + var sourceName = this.sourceName; + var targetName = this.targetName; + return new _util.ReadableStream({ + start: function start(controller) { + var startCapability = (0, _util.createPromiseCapability)(); + _this2.streamControllers[streamId] = { + controller: controller, + startCall: startCapability, + isClosed: false + }; + _this2.postMessage({ + sourceName: sourceName, + targetName: targetName, + action: actionName, + streamId: streamId, + data: data, + desiredSize: controller.desiredSize + }); + return startCapability.promise; + }, + pull: function pull(controller) { + var pullCapability = (0, _util.createPromiseCapability)(); + _this2.streamControllers[streamId].pullCall = pullCapability; + _this2.postMessage({ + sourceName: sourceName, + targetName: targetName, + stream: 'pull', + streamId: streamId, + desiredSize: controller.desiredSize + }); + return pullCapability.promise; + }, + cancel: function cancel(reason) { + var cancelCapability = (0, _util.createPromiseCapability)(); + _this2.streamControllers[streamId].cancelCall = cancelCapability; + _this2.streamControllers[streamId].isClosed = true; + _this2.postMessage({ + sourceName: sourceName, + targetName: targetName, + stream: 'cancel', + reason: reason, + streamId: streamId + }); + return cancelCapability.promise; + } + }, queueingStrategy); + }, + _createStreamSink: function _createStreamSink(data) { + var _this3 = this; + + var self = this; + var action = this.actionHandler[data.action]; + var streamId = data.streamId; + var desiredSize = data.desiredSize; + var sourceName = this.sourceName; + var targetName = data.sourceName; + var capability = (0, _util.createPromiseCapability)(); + var sendStreamRequest = function sendStreamRequest(_ref2) { + var stream = _ref2.stream, + chunk = _ref2.chunk, + transfers = _ref2.transfers, + success = _ref2.success, + reason = _ref2.reason; + + _this3.postMessage({ + sourceName: sourceName, + targetName: targetName, + stream: stream, + streamId: streamId, + chunk: chunk, + success: success, + reason: reason + }, transfers); + }; + var streamSink = { + enqueue: function enqueue(chunk) { + var size = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 1; + var transfers = arguments[2]; + + if (this.isCancelled) { + return; + } + var lastDesiredSize = this.desiredSize; + this.desiredSize -= size; + if (lastDesiredSize > 0 && this.desiredSize <= 0) { + this.sinkCapability = (0, _util.createPromiseCapability)(); + this.ready = this.sinkCapability.promise; + } + sendStreamRequest({ + stream: 'enqueue', + chunk: chunk, + transfers: transfers + }); + }, + close: function close() { + if (this.isCancelled) { + return; + } + this.isCancelled = true; + sendStreamRequest({ stream: 'close' }); + delete self.streamSinks[streamId]; + }, + error: function error(reason) { + if (this.isCancelled) { + return; + } + this.isCancelled = true; + sendStreamRequest({ + stream: 'error', + reason: reason + }); + }, + + sinkCapability: capability, + onPull: null, + onCancel: null, + isCancelled: false, + desiredSize: desiredSize, + ready: null + }; + streamSink.sinkCapability.resolve(); + streamSink.ready = streamSink.sinkCapability.promise; + this.streamSinks[streamId] = streamSink; + resolveCall(action[0], [data.data, streamSink], action[1]).then(function () { + sendStreamRequest({ + stream: 'start_complete', + success: true + }); + }, function (reason) { + sendStreamRequest({ + stream: 'start_complete', + success: false, + reason: reason + }); + }); + }, + _processStreamMessage: function _processStreamMessage(data) { + var _this4 = this; + + var sourceName = this.sourceName; + var targetName = data.sourceName; + var streamId = data.streamId; + var sendStreamResponse = function sendStreamResponse(_ref3) { + var stream = _ref3.stream, + success = _ref3.success, + reason = _ref3.reason; + + _this4.comObj.postMessage({ + sourceName: sourceName, + targetName: targetName, + stream: stream, + success: success, + streamId: streamId, + reason: reason + }); + }; + var deleteStreamController = function deleteStreamController() { + Promise.all([_this4.streamControllers[data.streamId].startCall, _this4.streamControllers[data.streamId].pullCall, _this4.streamControllers[data.streamId].cancelCall].map(function (capability) { + return capability && finalize(capability.promise); + })).then(function () { + delete _this4.streamControllers[data.streamId]; + }); + }; + switch (data.stream) { + case 'start_complete': + resolveOrReject(this.streamControllers[data.streamId].startCall, data.success, wrapReason(data.reason)); + break; + case 'pull_complete': + resolveOrReject(this.streamControllers[data.streamId].pullCall, data.success, wrapReason(data.reason)); + break; + case 'pull': + if (!this.streamSinks[data.streamId]) { + sendStreamResponse({ + stream: 'pull_complete', + success: true + }); + break; + } + if (this.streamSinks[data.streamId].desiredSize <= 0 && data.desiredSize > 0) { + this.streamSinks[data.streamId].sinkCapability.resolve(); + } + this.streamSinks[data.streamId].desiredSize = data.desiredSize; + resolveCall(this.streamSinks[data.streamId].onPull).then(function () { + sendStreamResponse({ + stream: 'pull_complete', + success: true + }); + }, function (reason) { + sendStreamResponse({ + stream: 'pull_complete', + success: false, + reason: reason + }); + }); + break; + case 'enqueue': + (0, _util.assert)(this.streamControllers[data.streamId], 'enqueue should have stream controller'); + if (!this.streamControllers[data.streamId].isClosed) { + this.streamControllers[data.streamId].controller.enqueue(data.chunk); + } + break; + case 'close': + (0, _util.assert)(this.streamControllers[data.streamId], 'close should have stream controller'); + if (this.streamControllers[data.streamId].isClosed) { + break; + } + this.streamControllers[data.streamId].isClosed = true; + this.streamControllers[data.streamId].controller.close(); + deleteStreamController(); + break; + case 'error': + (0, _util.assert)(this.streamControllers[data.streamId], 'error should have stream controller'); + this.streamControllers[data.streamId].controller.error(wrapReason(data.reason)); + deleteStreamController(); + break; + case 'cancel_complete': + resolveOrReject(this.streamControllers[data.streamId].cancelCall, data.success, wrapReason(data.reason)); + deleteStreamController(); + break; + case 'cancel': + if (!this.streamSinks[data.streamId]) { + break; + } + resolveCall(this.streamSinks[data.streamId].onCancel, [wrapReason(data.reason)]).then(function () { + sendStreamResponse({ + stream: 'cancel_complete', + success: true + }); + }, function (reason) { + sendStreamResponse({ + stream: 'cancel_complete', + success: false, + reason: reason + }); + }); + this.streamSinks[data.streamId].sinkCapability.reject(wrapReason(data.reason)); + this.streamSinks[data.streamId].isCancelled = true; + delete this.streamSinks[data.streamId]; + break; + default: + throw new Error('Unexpected stream case'); } - if (firstDescriptor.byteLength !== view.byteLength) { - throw new RangeError('The buffer of view has different capacity than byobRequest'); + }, + postMessage: function postMessage(message, transfers) { + if (transfers && this.postMessageTransfers) { + this.comObj.postMessage(message, transfers); + } else { + this.comObj.postMessage(message); } - firstDescriptor.buffer = view.buffer; - ReadableByteStreamControllerRespondInternal(controller, view.byteLength); - } - function streamBrandCheckException(name) { - return new TypeError('ReadableStream.prototype.' + name + ' can only be used on a ReadableStream'); - } - function readerLockException(name) { - return new TypeError('Cannot ' + name + ' a stream using a released reader'); - } - function defaultReaderBrandCheckException(name) { - return new TypeError('ReadableStreamDefaultReader.prototype.' + name + ' can only be used on a ReadableStreamDefaultReader'); - } - function defaultReaderClosedPromiseInitialize(reader) { - reader._closedPromise = new Promise(function (resolve, reject) { - reader._closedPromise_resolve = resolve; - reader._closedPromise_reject = reject; - }); - } - function defaultReaderClosedPromiseInitializeAsRejected(reader, reason) { - reader._closedPromise = Promise.reject(reason); - reader._closedPromise_resolve = undefined; - reader._closedPromise_reject = undefined; - } - function defaultReaderClosedPromiseInitializeAsResolved(reader) { - reader._closedPromise = Promise.resolve(undefined); - reader._closedPromise_resolve = undefined; - reader._closedPromise_reject = undefined; - } - function defaultReaderClosedPromiseReject(reader, reason) { - assert(reader._closedPromise_resolve !== undefined); - assert(reader._closedPromise_reject !== undefined); - reader._closedPromise_reject(reason); - reader._closedPromise_resolve = undefined; - reader._closedPromise_reject = undefined; - } - function defaultReaderClosedPromiseResetToRejected(reader, reason) { - assert(reader._closedPromise_resolve === undefined); - assert(reader._closedPromise_reject === undefined); - reader._closedPromise = Promise.reject(reason); - } - function defaultReaderClosedPromiseResolve(reader) { - assert(reader._closedPromise_resolve !== undefined); - assert(reader._closedPromise_reject !== undefined); - reader._closedPromise_resolve(undefined); - reader._closedPromise_resolve = undefined; - reader._closedPromise_reject = undefined; - } - function byobReaderBrandCheckException(name) { - return new TypeError('ReadableStreamBYOBReader.prototype.' + name + ' can only be used on a ReadableStreamBYOBReader'); - } - function defaultControllerBrandCheckException(name) { - return new TypeError('ReadableStreamDefaultController.prototype.' + name + ' can only be used on a ReadableStreamDefaultController'); - } - function byobRequestBrandCheckException(name) { - return new TypeError('ReadableStreamBYOBRequest.prototype.' + name + ' can only be used on a ReadableStreamBYOBRequest'); - } - function byteStreamControllerBrandCheckException(name) { - return new TypeError('ReadableByteStreamController.prototype.' + name + ' can only be used on a ReadableByteStreamController'); + }, + destroy: function destroy() { + this.comObj.removeEventListener('message', this._onComObjOnMessage); } - function ifIsObjectAndHasAPromiseIsHandledInternalSlotSetPromiseIsHandledToTrue(promise) { - try { - Promise.prototype.then.call(promise, undefined, function () {}); - } catch (e) {} +}; +exports.MessageHandler = MessageHandler; + +/***/ }), +/* 137 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +module.exports = __w_pdfjs_require__(138); + +/***/ }), +/* 138 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +var g = function () { + return this; +}() || Function("return this")(); +var hadRuntime = g.regeneratorRuntime && Object.getOwnPropertyNames(g).indexOf("regeneratorRuntime") >= 0; +var oldRuntime = hadRuntime && g.regeneratorRuntime; +g.regeneratorRuntime = undefined; +module.exports = __w_pdfjs_require__(139); +if (hadRuntime) { + g.regeneratorRuntime = oldRuntime; +} else { + try { + delete g.regeneratorRuntime; + } catch (e) { + g.regeneratorRuntime = undefined; } -}, function (module, exports, __w_pdfjs_require__) { - "use strict"; +} - var transformStream = __w_pdfjs_require__(6); - var readableStream = __w_pdfjs_require__(4); - var writableStream = __w_pdfjs_require__(2); - exports.TransformStream = transformStream.TransformStream; - exports.ReadableStream = readableStream.ReadableStream; - exports.IsReadableStreamDisturbed = readableStream.IsReadableStreamDisturbed; - exports.ReadableStreamDefaultControllerClose = readableStream.ReadableStreamDefaultControllerClose; - exports.ReadableStreamDefaultControllerEnqueue = readableStream.ReadableStreamDefaultControllerEnqueue; - exports.ReadableStreamDefaultControllerError = readableStream.ReadableStreamDefaultControllerError; - exports.ReadableStreamDefaultControllerGetDesiredSize = readableStream.ReadableStreamDefaultControllerGetDesiredSize; - exports.AcquireWritableStreamDefaultWriter = writableStream.AcquireWritableStreamDefaultWriter; - exports.IsWritableStream = writableStream.IsWritableStream; - exports.IsWritableStreamLocked = writableStream.IsWritableStreamLocked; - exports.WritableStream = writableStream.WritableStream; - exports.WritableStreamAbort = writableStream.WritableStreamAbort; - exports.WritableStreamDefaultControllerError = writableStream.WritableStreamDefaultControllerError; - exports.WritableStreamDefaultWriterCloseWithErrorPropagation = writableStream.WritableStreamDefaultWriterCloseWithErrorPropagation; - exports.WritableStreamDefaultWriterRelease = writableStream.WritableStreamDefaultWriterRelease; - exports.WritableStreamDefaultWriterWrite = writableStream.WritableStreamDefaultWriterWrite; -}, function (module, exports, __w_pdfjs_require__) { +/***/ }), +/* 139 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; +/* WEBPACK VAR INJECTION */(function(module) { + +var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; + +!function (global) { "use strict"; - var _createClass = function () { - function defineProperties(target, props) { - for (var i = 0; i < props.length; i++) { - var descriptor = props[i]; - descriptor.enumerable = descriptor.enumerable || false; - descriptor.configurable = true; - if ("value" in descriptor) descriptor.writable = true; - Object.defineProperty(target, descriptor.key, descriptor); - } - } - return function (Constructor, protoProps, staticProps) { - if (protoProps) defineProperties(Constructor.prototype, protoProps); - if (staticProps) defineProperties(Constructor, staticProps); - return Constructor; - }; - }(); - function _classCallCheck(instance, Constructor) { - if (!(instance instanceof Constructor)) { - throw new TypeError("Cannot call a class as a function"); + var Op = Object.prototype; + var hasOwn = Op.hasOwnProperty; + var undefined; + var $Symbol = typeof Symbol === "function" ? Symbol : {}; + var iteratorSymbol = $Symbol.iterator || "@@iterator"; + var asyncIteratorSymbol = $Symbol.asyncIterator || "@@asyncIterator"; + var toStringTagSymbol = $Symbol.toStringTag || "@@toStringTag"; + var inModule = ( false ? undefined : _typeof(module)) === "object"; + var runtime = global.regeneratorRuntime; + if (runtime) { + if (inModule) { + module.exports = runtime; + } + return; + } + runtime = global.regeneratorRuntime = inModule ? module.exports : {}; + function wrap(innerFn, outerFn, self, tryLocsList) { + var protoGenerator = outerFn && outerFn.prototype instanceof Generator ? outerFn : Generator; + var generator = Object.create(protoGenerator.prototype); + var context = new Context(tryLocsList || []); + generator._invoke = makeInvokeMethod(innerFn, self, context); + return generator; + } + runtime.wrap = wrap; + function tryCatch(fn, obj, arg) { + try { + return { + type: "normal", + arg: fn.call(obj, arg) + }; + } catch (err) { + return { + type: "throw", + arg: err + }; } } - var _require = __w_pdfjs_require__(1), - assert = _require.assert; - var _require2 = __w_pdfjs_require__(0), - InvokeOrNoop = _require2.InvokeOrNoop, - PromiseInvokeOrPerformFallback = _require2.PromiseInvokeOrPerformFallback, - PromiseInvokeOrNoop = _require2.PromiseInvokeOrNoop, - typeIsObject = _require2.typeIsObject; - var _require3 = __w_pdfjs_require__(4), - ReadableStream = _require3.ReadableStream, - ReadableStreamDefaultControllerClose = _require3.ReadableStreamDefaultControllerClose, - ReadableStreamDefaultControllerEnqueue = _require3.ReadableStreamDefaultControllerEnqueue, - ReadableStreamDefaultControllerError = _require3.ReadableStreamDefaultControllerError, - ReadableStreamDefaultControllerGetDesiredSize = _require3.ReadableStreamDefaultControllerGetDesiredSize; - var _require4 = __w_pdfjs_require__(2), - WritableStream = _require4.WritableStream, - WritableStreamDefaultControllerError = _require4.WritableStreamDefaultControllerError; - function TransformStreamCloseReadable(transformStream) { - if (transformStream._errored === true) { - throw new TypeError('TransformStream is already errored'); - } - if (transformStream._readableClosed === true) { - throw new TypeError('Readable side is already closed'); - } - TransformStreamCloseReadableInternal(transformStream); + var GenStateSuspendedStart = "suspendedStart"; + var GenStateSuspendedYield = "suspendedYield"; + var GenStateExecuting = "executing"; + var GenStateCompleted = "completed"; + var ContinueSentinel = {}; + function Generator() {} + function GeneratorFunction() {} + function GeneratorFunctionPrototype() {} + var IteratorPrototype = {}; + IteratorPrototype[iteratorSymbol] = function () { + return this; + }; + var getProto = Object.getPrototypeOf; + var NativeIteratorPrototype = getProto && getProto(getProto(values([]))); + if (NativeIteratorPrototype && NativeIteratorPrototype !== Op && hasOwn.call(NativeIteratorPrototype, iteratorSymbol)) { + IteratorPrototype = NativeIteratorPrototype; + } + var Gp = GeneratorFunctionPrototype.prototype = Generator.prototype = Object.create(IteratorPrototype); + GeneratorFunction.prototype = Gp.constructor = GeneratorFunctionPrototype; + GeneratorFunctionPrototype.constructor = GeneratorFunction; + GeneratorFunctionPrototype[toStringTagSymbol] = GeneratorFunction.displayName = "GeneratorFunction"; + function defineIteratorMethods(prototype) { + ["next", "throw", "return"].forEach(function (method) { + prototype[method] = function (arg) { + return this._invoke(method, arg); + }; + }); } - function TransformStreamEnqueueToReadable(transformStream, chunk) { - if (transformStream._errored === true) { - throw new TypeError('TransformStream is already errored'); - } - if (transformStream._readableClosed === true) { - throw new TypeError('Readable side is already closed'); - } - var controller = transformStream._readableController; - try { - ReadableStreamDefaultControllerEnqueue(controller, chunk); - } catch (e) { - transformStream._readableClosed = true; - TransformStreamErrorIfNeeded(transformStream, e); - throw transformStream._storedError; - } - var desiredSize = ReadableStreamDefaultControllerGetDesiredSize(controller); - var maybeBackpressure = desiredSize <= 0; - if (maybeBackpressure === true && transformStream._backpressure === false) { - TransformStreamSetBackpressure(transformStream, true); + runtime.isGeneratorFunction = function (genFun) { + var ctor = typeof genFun === "function" && genFun.constructor; + return ctor ? ctor === GeneratorFunction || (ctor.displayName || ctor.name) === "GeneratorFunction" : false; + }; + runtime.mark = function (genFun) { + if (Object.setPrototypeOf) { + Object.setPrototypeOf(genFun, GeneratorFunctionPrototype); + } else { + genFun.__proto__ = GeneratorFunctionPrototype; + if (!(toStringTagSymbol in genFun)) { + genFun[toStringTagSymbol] = "GeneratorFunction"; + } } - } - function TransformStreamError(transformStream, e) { - if (transformStream._errored === true) { - throw new TypeError('TransformStream is already errored'); + genFun.prototype = Object.create(Gp); + return genFun; + }; + runtime.awrap = function (arg) { + return { __await: arg }; + }; + function AsyncIterator(generator) { + function invoke(method, arg, resolve, reject) { + var record = tryCatch(generator[method], generator, arg); + if (record.type === "throw") { + reject(record.arg); + } else { + var result = record.arg; + var value = result.value; + if (value && (typeof value === "undefined" ? "undefined" : _typeof(value)) === "object" && hasOwn.call(value, "__await")) { + return Promise.resolve(value.__await).then(function (value) { + invoke("next", value, resolve, reject); + }, function (err) { + invoke("throw", err, resolve, reject); + }); + } + return Promise.resolve(value).then(function (unwrapped) { + result.value = unwrapped; + resolve(result); + }, reject); + } } - TransformStreamErrorInternal(transformStream, e); - } - function TransformStreamCloseReadableInternal(transformStream) { - assert(transformStream._errored === false); - assert(transformStream._readableClosed === false); - try { - ReadableStreamDefaultControllerClose(transformStream._readableController); - } catch (e) { - assert(false); + var previousPromise; + function enqueue(method, arg) { + function callInvokeWithMethodAndArg() { + return new Promise(function (resolve, reject) { + invoke(method, arg, resolve, reject); + }); + } + return previousPromise = previousPromise ? previousPromise.then(callInvokeWithMethodAndArg, callInvokeWithMethodAndArg) : callInvokeWithMethodAndArg(); } - transformStream._readableClosed = true; + this._invoke = enqueue; } - function TransformStreamErrorIfNeeded(transformStream, e) { - if (transformStream._errored === false) { - TransformStreamErrorInternal(transformStream, e); - } + defineIteratorMethods(AsyncIterator.prototype); + AsyncIterator.prototype[asyncIteratorSymbol] = function () { + return this; + }; + runtime.AsyncIterator = AsyncIterator; + runtime.async = function (innerFn, outerFn, self, tryLocsList) { + var iter = new AsyncIterator(wrap(innerFn, outerFn, self, tryLocsList)); + return runtime.isGeneratorFunction(outerFn) ? iter : iter.next().then(function (result) { + return result.done ? result.value : iter.next(); + }); + }; + function makeInvokeMethod(innerFn, self, context) { + var state = GenStateSuspendedStart; + return function invoke(method, arg) { + if (state === GenStateExecuting) { + throw new Error("Generator is already running"); + } + if (state === GenStateCompleted) { + if (method === "throw") { + throw arg; + } + return doneResult(); + } + context.method = method; + context.arg = arg; + while (true) { + var delegate = context.delegate; + if (delegate) { + var delegateResult = maybeInvokeDelegate(delegate, context); + if (delegateResult) { + if (delegateResult === ContinueSentinel) continue; + return delegateResult; + } + } + if (context.method === "next") { + context.sent = context._sent = context.arg; + } else if (context.method === "throw") { + if (state === GenStateSuspendedStart) { + state = GenStateCompleted; + throw context.arg; + } + context.dispatchException(context.arg); + } else if (context.method === "return") { + context.abrupt("return", context.arg); + } + state = GenStateExecuting; + var record = tryCatch(innerFn, self, context); + if (record.type === "normal") { + state = context.done ? GenStateCompleted : GenStateSuspendedYield; + if (record.arg === ContinueSentinel) { + continue; + } + return { + value: record.arg, + done: context.done + }; + } else if (record.type === "throw") { + state = GenStateCompleted; + context.method = "throw"; + context.arg = record.arg; + } + } + }; } - function TransformStreamErrorInternal(transformStream, e) { - assert(transformStream._errored === false); - transformStream._errored = true; - transformStream._storedError = e; - if (transformStream._writableDone === false) { - WritableStreamDefaultControllerError(transformStream._writableController, e); + function maybeInvokeDelegate(delegate, context) { + var method = delegate.iterator[context.method]; + if (method === undefined) { + context.delegate = null; + if (context.method === "throw") { + if (delegate.iterator.return) { + context.method = "return"; + context.arg = undefined; + maybeInvokeDelegate(delegate, context); + if (context.method === "throw") { + return ContinueSentinel; + } + } + context.method = "throw"; + context.arg = new TypeError("The iterator does not provide a 'throw' method"); + } + return ContinueSentinel; } - if (transformStream._readableClosed === false) { - ReadableStreamDefaultControllerError(transformStream._readableController, e); + var record = tryCatch(method, delegate.iterator, context.arg); + if (record.type === "throw") { + context.method = "throw"; + context.arg = record.arg; + context.delegate = null; + return ContinueSentinel; + } + var info = record.arg; + if (!info) { + context.method = "throw"; + context.arg = new TypeError("iterator result is not an object"); + context.delegate = null; + return ContinueSentinel; + } + if (info.done) { + context[delegate.resultName] = info.value; + context.next = delegate.nextLoc; + if (context.method !== "return") { + context.method = "next"; + context.arg = undefined; + } + } else { + return info; } + context.delegate = null; + return ContinueSentinel; } - function TransformStreamReadableReadyPromise(transformStream) { - assert(transformStream._backpressureChangePromise !== undefined, '_backpressureChangePromise should have been initialized'); - if (transformStream._backpressure === false) { - return Promise.resolve(); + defineIteratorMethods(Gp); + Gp[toStringTagSymbol] = "Generator"; + Gp[iteratorSymbol] = function () { + return this; + }; + Gp.toString = function () { + return "[object Generator]"; + }; + function pushTryEntry(locs) { + var entry = { tryLoc: locs[0] }; + if (1 in locs) { + entry.catchLoc = locs[1]; + } + if (2 in locs) { + entry.finallyLoc = locs[2]; + entry.afterLoc = locs[3]; + } + this.tryEntries.push(entry); + } + function resetTryEntry(entry) { + var record = entry.completion || {}; + record.type = "normal"; + delete record.arg; + entry.completion = record; + } + function Context(tryLocsList) { + this.tryEntries = [{ tryLoc: "root" }]; + tryLocsList.forEach(pushTryEntry, this); + this.reset(true); + } + runtime.keys = function (object) { + var keys = []; + for (var key in object) { + keys.push(key); + } + keys.reverse(); + return function next() { + while (keys.length) { + var key = keys.pop(); + if (key in object) { + next.value = key; + next.done = false; + return next; + } + } + next.done = true; + return next; + }; + }; + function values(iterable) { + if (iterable) { + var iteratorMethod = iterable[iteratorSymbol]; + if (iteratorMethod) { + return iteratorMethod.call(iterable); + } + if (typeof iterable.next === "function") { + return iterable; + } + if (!isNaN(iterable.length)) { + var i = -1, + next = function next() { + while (++i < iterable.length) { + if (hasOwn.call(iterable, i)) { + next.value = iterable[i]; + next.done = false; + return next; + } + } + next.value = undefined; + next.done = true; + return next; + }; + return next.next = next; + } } - assert(transformStream._backpressure === true, '_backpressure should have been initialized'); - return transformStream._backpressureChangePromise; + return { next: doneResult }; } - function TransformStreamSetBackpressure(transformStream, backpressure) { - assert(transformStream._backpressure !== backpressure, 'TransformStreamSetBackpressure() should be called only when backpressure is changed'); - if (transformStream._backpressureChangePromise !== undefined) { - transformStream._backpressureChangePromise_resolve(backpressure); + runtime.values = values; + function doneResult() { + return { + value: undefined, + done: true + }; + } + Context.prototype = { + constructor: Context, + reset: function reset(skipTempReset) { + this.prev = 0; + this.next = 0; + this.sent = this._sent = undefined; + this.done = false; + this.delegate = null; + this.method = "next"; + this.arg = undefined; + this.tryEntries.forEach(resetTryEntry); + if (!skipTempReset) { + for (var name in this) { + if (name.charAt(0) === "t" && hasOwn.call(this, name) && !isNaN(+name.slice(1))) { + this[name] = undefined; + } + } + } + }, + stop: function stop() { + this.done = true; + var rootEntry = this.tryEntries[0]; + var rootRecord = rootEntry.completion; + if (rootRecord.type === "throw") { + throw rootRecord.arg; + } + return this.rval; + }, + dispatchException: function dispatchException(exception) { + if (this.done) { + throw exception; + } + var context = this; + function handle(loc, caught) { + record.type = "throw"; + record.arg = exception; + context.next = loc; + if (caught) { + context.method = "next"; + context.arg = undefined; + } + return !!caught; + } + for (var i = this.tryEntries.length - 1; i >= 0; --i) { + var entry = this.tryEntries[i]; + var record = entry.completion; + if (entry.tryLoc === "root") { + return handle("end"); + } + if (entry.tryLoc <= this.prev) { + var hasCatch = hasOwn.call(entry, "catchLoc"); + var hasFinally = hasOwn.call(entry, "finallyLoc"); + if (hasCatch && hasFinally) { + if (this.prev < entry.catchLoc) { + return handle(entry.catchLoc, true); + } else if (this.prev < entry.finallyLoc) { + return handle(entry.finallyLoc); + } + } else if (hasCatch) { + if (this.prev < entry.catchLoc) { + return handle(entry.catchLoc, true); + } + } else if (hasFinally) { + if (this.prev < entry.finallyLoc) { + return handle(entry.finallyLoc); + } + } else { + throw new Error("try statement without catch or finally"); + } + } + } + }, + abrupt: function abrupt(type, arg) { + for (var i = this.tryEntries.length - 1; i >= 0; --i) { + var entry = this.tryEntries[i]; + if (entry.tryLoc <= this.prev && hasOwn.call(entry, "finallyLoc") && this.prev < entry.finallyLoc) { + var finallyEntry = entry; + break; + } + } + if (finallyEntry && (type === "break" || type === "continue") && finallyEntry.tryLoc <= arg && arg <= finallyEntry.finallyLoc) { + finallyEntry = null; + } + var record = finallyEntry ? finallyEntry.completion : {}; + record.type = type; + record.arg = arg; + if (finallyEntry) { + this.method = "next"; + this.next = finallyEntry.finallyLoc; + return ContinueSentinel; + } + return this.complete(record); + }, + complete: function complete(record, afterLoc) { + if (record.type === "throw") { + throw record.arg; + } + if (record.type === "break" || record.type === "continue") { + this.next = record.arg; + } else if (record.type === "return") { + this.rval = this.arg = record.arg; + this.method = "return"; + this.next = "end"; + } else if (record.type === "normal" && afterLoc) { + this.next = afterLoc; + } + return ContinueSentinel; + }, + finish: function finish(finallyLoc) { + for (var i = this.tryEntries.length - 1; i >= 0; --i) { + var entry = this.tryEntries[i]; + if (entry.finallyLoc === finallyLoc) { + this.complete(entry.completion, entry.afterLoc); + resetTryEntry(entry); + return ContinueSentinel; + } + } + }, + "catch": function _catch(tryLoc) { + for (var i = this.tryEntries.length - 1; i >= 0; --i) { + var entry = this.tryEntries[i]; + if (entry.tryLoc === tryLoc) { + var record = entry.completion; + if (record.type === "throw") { + var thrown = record.arg; + resetTryEntry(entry); + } + return thrown; + } + } + throw new Error("illegal catch attempt"); + }, + delegateYield: function delegateYield(iterable, resultName, nextLoc) { + this.delegate = { + iterator: values(iterable), + resultName: resultName, + nextLoc: nextLoc + }; + if (this.method === "next") { + this.arg = undefined; + } + return ContinueSentinel; } - transformStream._backpressureChangePromise = new Promise(function (resolve) { - transformStream._backpressureChangePromise_resolve = resolve; + }; +}(function () { + return this; +}() || Function("return this")()); +/* WEBPACK VAR INJECTION */}.call(this, __w_pdfjs_require__(140)(module))) + +/***/ }), +/* 140 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +module.exports = function (module) { + if (!module.webpackPolyfill) { + module.deprecate = function () {}; + module.paths = []; + if (!module.children) module.children = []; + Object.defineProperty(module, "loaded", { + enumerable: true, + get: function get() { + return module.l; + } }); - transformStream._backpressureChangePromise.then(function (resolution) { - assert(resolution !== backpressure, '_backpressureChangePromise should be fulfilled only when backpressure is changed'); + Object.defineProperty(module, "id", { + enumerable: true, + get: function get() { + return module.i; + } }); - transformStream._backpressure = backpressure; - } - function TransformStreamDefaultTransform(chunk, transformStreamController) { - var transformStream = transformStreamController._controlledTransformStream; - TransformStreamEnqueueToReadable(transformStream, chunk); - return Promise.resolve(); + module.webpackPolyfill = 1; } - function TransformStreamTransform(transformStream, chunk) { - assert(transformStream._errored === false); - assert(transformStream._transforming === false); - assert(transformStream._backpressure === false); - transformStream._transforming = true; - var transformer = transformStream._transformer; - var controller = transformStream._transformStreamController; - var transformPromise = PromiseInvokeOrPerformFallback(transformer, 'transform', [chunk, controller], TransformStreamDefaultTransform, [chunk, controller]); - return transformPromise.then(function () { - transformStream._transforming = false; - return TransformStreamReadableReadyPromise(transformStream); - }, function (e) { - TransformStreamErrorIfNeeded(transformStream, e); - return Promise.reject(e); - }); + return module; +}; + +/***/ }), +/* 141 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +Object.defineProperty(exports, "__esModule", { + value: true +}); +exports.Metadata = undefined; + +var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }(); + +var _util = __w_pdfjs_require__(1); + +var _xml_parser = __w_pdfjs_require__(142); + +function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } + +var Metadata = function () { + function Metadata(data) { + _classCallCheck(this, Metadata); + + (0, _util.assert)(typeof data === 'string', 'Metadata: input is not a string'); + data = this._repair(data); + var parser = new _xml_parser.SimpleXMLParser(); + var xmlDocument = parser.parseFromString(data); + this._metadata = Object.create(null); + if (xmlDocument) { + this._parse(xmlDocument); + } } - function IsTransformStreamDefaultController(x) { - if (!typeIsObject(x)) { - return false; + + _createClass(Metadata, [{ + key: '_repair', + value: function _repair(data) { + return data.replace(/>\\376\\377([^<]+)/g, function (all, codes) { + var bytes = codes.replace(/\\([0-3])([0-7])([0-7])/g, function (code, d1, d2, d3) { + return String.fromCharCode(d1 * 64 + d2 * 8 + d3 * 1); + }).replace(/&(amp|apos|gt|lt|quot);/g, function (str, name) { + switch (name) { + case 'amp': + return '&'; + case 'apos': + return '\''; + case 'gt': + return '>'; + case 'lt': + return '<'; + case 'quot': + return '\"'; + } + throw new Error('_repair: ' + name + ' isn\'t defined.'); + }); + var chars = ''; + for (var i = 0, ii = bytes.length; i < ii; i += 2) { + var code = bytes.charCodeAt(i) * 256 + bytes.charCodeAt(i + 1); + if (code >= 32 && code < 127 && code !== 60 && code !== 62 && code !== 38) { + chars += String.fromCharCode(code); + } else { + chars += '&#x' + (0x10000 + code).toString(16).substring(1) + ';'; + } + } + return '>' + chars; + }); } - if (!Object.prototype.hasOwnProperty.call(x, '_controlledTransformStream')) { - return false; + }, { + key: '_parse', + value: function _parse(xmlDocument) { + var rdf = xmlDocument.documentElement; + if (rdf.nodeName.toLowerCase() !== 'rdf:rdf') { + rdf = rdf.firstChild; + while (rdf && rdf.nodeName.toLowerCase() !== 'rdf:rdf') { + rdf = rdf.nextSibling; + } + } + var nodeName = rdf ? rdf.nodeName.toLowerCase() : null; + if (!rdf || nodeName !== 'rdf:rdf' || !rdf.hasChildNodes()) { + return; + } + var children = rdf.childNodes; + for (var i = 0, ii = children.length; i < ii; i++) { + var desc = children[i]; + if (desc.nodeName.toLowerCase() !== 'rdf:description') { + continue; + } + for (var j = 0, jj = desc.childNodes.length; j < jj; j++) { + if (desc.childNodes[j].nodeName.toLowerCase() !== '#text') { + var entry = desc.childNodes[j]; + var name = entry.nodeName.toLowerCase(); + this._metadata[name] = entry.textContent.trim(); + } + } + } } - return true; - } - function IsTransformStream(x) { - if (!typeIsObject(x)) { - return false; + }, { + key: 'get', + value: function get(name) { + return this._metadata[name] || null; } - if (!Object.prototype.hasOwnProperty.call(x, '_transformStreamController')) { + }, { + key: 'getAll', + value: function getAll() { + return this._metadata; + } + }, { + key: 'has', + value: function has(name) { + return typeof this._metadata[name] !== 'undefined'; + } + }]); + + return Metadata; +}(); + +exports.Metadata = Metadata; + +/***/ }), +/* 142 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +Object.defineProperty(exports, "__esModule", { + value: true +}); + +var _slicedToArray = function () { function sliceIterator(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"]) _i["return"](); } finally { if (_d) throw _e; } } return _arr; } return function (arr, i) { if (Array.isArray(arr)) { return arr; } else if (Symbol.iterator in Object(arr)) { return sliceIterator(arr, i); } else { throw new TypeError("Invalid attempt to destructure non-iterable instance"); } }; }(); + +var _get = function get(object, property, receiver) { if (object === null) object = Function.prototype; var desc = Object.getOwnPropertyDescriptor(object, property); if (desc === undefined) { var parent = Object.getPrototypeOf(object); if (parent === null) { return undefined; } else { return get(parent, property, receiver); } } else if ("value" in desc) { return desc.value; } else { var getter = desc.get; if (getter === undefined) { return undefined; } return getter.call(receiver); } }; + +var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }(); + +function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; } + +function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; } + +function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } + +var XMLParserErrorCode = { + NoError: 0, + EndOfDocument: -1, + UnterminatedCdat: -2, + UnterminatedXmlDeclaration: -3, + UnterminatedDoctypeDeclaration: -4, + UnterminatedComment: -5, + MalformedElement: -6, + OutOfMemory: -7, + UnterminatedAttributeValue: -8, + UnterminatedElement: -9, + ElementNeverBegun: -10 +}; +function isWhitespace(s, index) { + var ch = s[index]; + return ch === ' ' || ch === '\n' || ch === '\r' || ch === '\t'; +} +function isWhitespaceString(s) { + for (var i = 0, ii = s.length; i < ii; i++) { + if (!isWhitespace(s, i)) { return false; } - return true; } - var TransformStreamSink = function () { - function TransformStreamSink(transformStream, startPromise) { - _classCallCheck(this, TransformStreamSink); - this._transformStream = transformStream; - this._startPromise = startPromise; - } - _createClass(TransformStreamSink, [{ - key: 'start', - value: function start(c) { - var transformStream = this._transformStream; - transformStream._writableController = c; - return this._startPromise.then(function () { - return TransformStreamReadableReadyPromise(transformStream); - }); - } - }, { - key: 'write', - value: function write(chunk) { - var transformStream = this._transformStream; - return TransformStreamTransform(transformStream, chunk); - } - }, { - key: 'abort', - value: function abort() { - var transformStream = this._transformStream; - transformStream._writableDone = true; - TransformStreamErrorInternal(transformStream, new TypeError('Writable side aborted')); - } - }, { - key: 'close', - value: function close() { - var transformStream = this._transformStream; - assert(transformStream._transforming === false); - transformStream._writableDone = true; - var flushPromise = PromiseInvokeOrNoop(transformStream._transformer, 'flush', [transformStream._transformStreamController]); - return flushPromise.then(function () { - if (transformStream._errored === true) { - return Promise.reject(transformStream._storedError); - } - if (transformStream._readableClosed === false) { - TransformStreamCloseReadableInternal(transformStream); - } - return Promise.resolve(); - }).catch(function (r) { - TransformStreamErrorIfNeeded(transformStream, r); - return Promise.reject(transformStream._storedError); + return true; +} + +var XMLParserBase = function () { + function XMLParserBase() { + _classCallCheck(this, XMLParserBase); + } + + _createClass(XMLParserBase, [{ + key: '_resolveEntities', + value: function _resolveEntities(s) { + return s.replace(/&([^;]+);/g, function (all, entity) { + if (entity.substring(0, 2) === '#x') { + return String.fromCharCode(parseInt(entity.substring(2), 16)); + } else if (entity.substring(0, 1) === '#') { + return String.fromCharCode(parseInt(entity.substring(1), 10)); + } + switch (entity) { + case 'lt': + return '<'; + case 'gt': + return '>'; + case 'amp': + return '&'; + case 'quot': + return '\"'; + } + return this.onResolveEntity(entity); + }); + } + }, { + key: '_parseContent', + value: function _parseContent(s, start) { + var pos = start, + name = void 0, + attributes = []; + function skipWs() { + while (pos < s.length && isWhitespace(s, pos)) { + ++pos; + } + } + while (pos < s.length && !isWhitespace(s, pos) && s[pos] !== '>' && s[pos] !== '/') { + ++pos; + } + name = s.substring(start, pos); + skipWs(); + while (pos < s.length && s[pos] !== '>' && s[pos] !== '/' && s[pos] !== '?') { + skipWs(); + var attrName = '', + attrValue = ''; + while (pos < s.length && !isWhitespace(s, pos) && s[pos] !== '=') { + attrName += s[pos]; + ++pos; + } + skipWs(); + if (s[pos] !== '=') { + return null; + } + ++pos; + skipWs(); + var attrEndChar = s[pos]; + if (attrEndChar !== '\"' && attrEndChar !== '\'') { + return null; + } + var attrEndIndex = s.indexOf(attrEndChar, ++pos); + if (attrEndIndex < 0) { + return null; + } + attrValue = s.substring(pos, attrEndIndex); + attributes.push({ + name: attrName, + value: this._resolveEntities(attrValue) }); + pos = attrEndIndex + 1; + skipWs(); } - }]); - return TransformStreamSink; - }(); - var TransformStreamSource = function () { - function TransformStreamSource(transformStream, startPromise) { - _classCallCheck(this, TransformStreamSource); - this._transformStream = transformStream; - this._startPromise = startPromise; + return { + name: name, + attributes: attributes, + parsed: pos - start + }; } - _createClass(TransformStreamSource, [{ - key: 'start', - value: function start(c) { - var transformStream = this._transformStream; - transformStream._readableController = c; - return this._startPromise.then(function () { - assert(transformStream._backpressureChangePromise !== undefined, '_backpressureChangePromise should have been initialized'); - if (transformStream._backpressure === true) { - return Promise.resolve(); + }, { + key: '_parseProcessingInstruction', + value: function _parseProcessingInstruction(s, start) { + var pos = start, + name = void 0, + value = void 0; + function skipWs() { + while (pos < s.length && isWhitespace(s, pos)) { + ++pos; + } + } + while (pos < s.length && !isWhitespace(s, pos) && s[pos] !== '>' && s[pos] !== '/') { + ++pos; + } + name = s.substring(start, pos); + skipWs(); + var attrStart = pos; + while (pos < s.length && (s[pos] !== '?' || s[pos + 1] !== '>')) { + ++pos; + } + value = s.substring(attrStart, pos); + return { + name: name, + value: value, + parsed: pos - start + }; + } + }, { + key: 'parseXml', + value: function parseXml(s) { + var i = 0; + while (i < s.length) { + var ch = s[i]; + var j = i; + if (ch === '<') { + ++j; + var ch2 = s[j]; + var q = void 0; + switch (ch2) { + case '/': + ++j; + q = s.indexOf('>', j); + if (q < 0) { + this.onError(XMLParserErrorCode.UnterminatedElement); + return; + } + this.onEndElement(s.substring(j, q)); + j = q + 1; + break; + case '?': + ++j; + var pi = this._parseProcessingInstruction(s, j); + if (s.substring(j + pi.parsed, j + pi.parsed + 2) !== '?>') { + this.onError(XMLParserErrorCode.UnterminatedXmlDeclaration); + return; + } + this.onPi(pi.name, pi.value); + j += pi.parsed + 2; + break; + case '!': + if (s.substring(j + 1, j + 3) === '--') { + q = s.indexOf('-->', j + 3); + if (q < 0) { + this.onError(XMLParserErrorCode.UnterminatedComment); + return; + } + this.onComment(s.substring(j + 3, q)); + j = q + 3; + } else if (s.substring(j + 1, j + 8) === '[CDATA[') { + q = s.indexOf(']]>', j + 8); + if (q < 0) { + this.onError(XMLParserErrorCode.UnterminatedCdat); + return; + } + this.onCdata(s.substring(j + 8, q)); + j = q + 3; + } else if (s.substring(j + 1, j + 8) === 'DOCTYPE') { + var q2 = s.indexOf('[', j + 8); + var complexDoctype = false; + q = s.indexOf('>', j + 8); + if (q < 0) { + this.onError(XMLParserErrorCode.UnterminatedDoctypeDeclaration); + return; + } + if (q2 > 0 && q > q2) { + q = s.indexOf(']>', j + 8); + if (q < 0) { + this.onError(XMLParserErrorCode.UnterminatedDoctypeDeclaration); + return; + } + complexDoctype = true; + } + var doctypeContent = s.substring(j + 8, q + (complexDoctype ? 1 : 0)); + this.onDoctype(doctypeContent); + j = q + (complexDoctype ? 2 : 1); + } else { + this.onError(XMLParserErrorCode.MalformedElement); + return; + } + break; + default: + var content = this._parseContent(s, j); + if (content === null) { + this.onError(XMLParserErrorCode.MalformedElement); + return; + } + var isClosed = false; + if (s.substring(j + content.parsed, j + content.parsed + 2) === '/>') { + isClosed = true; + } else if (s.substring(j + content.parsed, j + content.parsed + 1) !== '>') { + this.onError(XMLParserErrorCode.UnterminatedElement); + return; + } + this.onBeginElement(content.name, content.attributes, isClosed); + j += content.parsed + (isClosed ? 2 : 1); + break; } - assert(transformStream._backpressure === false, '_backpressure should have been initialized'); - return transformStream._backpressureChangePromise; - }); - } - }, { - key: 'pull', - value: function pull() { - var transformStream = this._transformStream; - assert(transformStream._backpressure === true, 'pull() should be never called while _backpressure is false'); - assert(transformStream._backpressureChangePromise !== undefined, '_backpressureChangePromise should have been initialized'); - TransformStreamSetBackpressure(transformStream, false); - return transformStream._backpressureChangePromise; + } else { + while (j < s.length && s[j] !== '<') { + j++; + } + var text = s.substring(i, j); + this.onText(this._resolveEntities(text)); + } + i = j; } - }, { - key: 'cancel', - value: function cancel() { - var transformStream = this._transformStream; - transformStream._readableClosed = true; - TransformStreamErrorInternal(transformStream, new TypeError('Readable side canceled')); + } + }, { + key: 'onResolveEntity', + value: function onResolveEntity(name) { + return '&' + name + ';'; + } + }, { + key: 'onPi', + value: function onPi(name, value) {} + }, { + key: 'onComment', + value: function onComment(text) {} + }, { + key: 'onCdata', + value: function onCdata(text) {} + }, { + key: 'onDoctype', + value: function onDoctype(doctypeContent) {} + }, { + key: 'onText', + value: function onText(text) {} + }, { + key: 'onBeginElement', + value: function onBeginElement(name, attributes, isEmpty) {} + }, { + key: 'onEndElement', + value: function onEndElement(name) {} + }, { + key: 'onError', + value: function onError(code) {} + }]); + + return XMLParserBase; +}(); + +var SimpleDOMNode = function () { + function SimpleDOMNode(nodeName, nodeValue) { + _classCallCheck(this, SimpleDOMNode); + + this.nodeName = nodeName; + this.nodeValue = nodeValue; + Object.defineProperty(this, 'parentNode', { + value: null, + writable: true + }); + } + + _createClass(SimpleDOMNode, [{ + key: 'hasChildNodes', + value: function hasChildNodes() { + return this.childNodes && this.childNodes.length > 0; + } + }, { + key: 'firstChild', + get: function get() { + return this.childNodes[0]; + } + }, { + key: 'nextSibling', + get: function get() { + var index = this.parentNode.childNodes.indexOf(this); + return this.parentNode.childNodes[index + 1]; + } + }, { + key: 'textContent', + get: function get() { + if (!this.childNodes) { + return this.nodeValue || ''; } - }]); - return TransformStreamSource; - }(); - var TransformStreamDefaultController = function () { - function TransformStreamDefaultController(transformStream) { - _classCallCheck(this, TransformStreamDefaultController); - if (IsTransformStream(transformStream) === false) { - throw new TypeError('TransformStreamDefaultController can only be ' + 'constructed with a TransformStream instance'); + return this.childNodes.map(function (child) { + return child.textContent; + }).join(''); + } + }]); + + return SimpleDOMNode; +}(); + +var SimpleXMLParser = function (_XMLParserBase) { + _inherits(SimpleXMLParser, _XMLParserBase); + + function SimpleXMLParser() { + _classCallCheck(this, SimpleXMLParser); + + var _this = _possibleConstructorReturn(this, (SimpleXMLParser.__proto__ || Object.getPrototypeOf(SimpleXMLParser)).call(this)); + + _this._currentFragment = null; + _this._stack = null; + _this._errorCode = XMLParserErrorCode.NoError; + return _this; + } + + _createClass(SimpleXMLParser, [{ + key: 'parseFromString', + value: function parseFromString(data) { + this._currentFragment = []; + this._stack = []; + this._errorCode = XMLParserErrorCode.NoError; + this.parseXml(data); + if (this._errorCode !== XMLParserErrorCode.NoError) { + return undefined; } - if (transformStream._transformStreamController !== undefined) { - throw new TypeError('TransformStreamDefaultController instances can ' + 'only be created by the TransformStream constructor'); + + var _currentFragment = _slicedToArray(this._currentFragment, 1), + documentElement = _currentFragment[0]; + + if (!documentElement) { + return undefined; } - this._controlledTransformStream = transformStream; + return { documentElement: documentElement }; } - _createClass(TransformStreamDefaultController, [{ - key: 'enqueue', - value: function enqueue(chunk) { - if (IsTransformStreamDefaultController(this) === false) { - throw defaultControllerBrandCheckException('enqueue'); - } - TransformStreamEnqueueToReadable(this._controlledTransformStream, chunk); + }, { + key: 'onResolveEntity', + value: function onResolveEntity(name) { + switch (name) { + case 'apos': + return '\''; } - }, { - key: 'close', - value: function close() { - if (IsTransformStreamDefaultController(this) === false) { - throw defaultControllerBrandCheckException('close'); - } - TransformStreamCloseReadable(this._controlledTransformStream); + return _get(SimpleXMLParser.prototype.__proto__ || Object.getPrototypeOf(SimpleXMLParser.prototype), 'onResolveEntity', this).call(this, name); + } + }, { + key: 'onText', + value: function onText(text) { + if (isWhitespaceString(text)) { + return; } - }, { - key: 'error', - value: function error(reason) { - if (IsTransformStreamDefaultController(this) === false) { - throw defaultControllerBrandCheckException('error'); - } - TransformStreamError(this._controlledTransformStream, reason); + var node = new SimpleDOMNode('#text', text); + this._currentFragment.push(node); + } + }, { + key: 'onCdata', + value: function onCdata(text) { + var node = new SimpleDOMNode('#text', text); + this._currentFragment.push(node); + } + }, { + key: 'onBeginElement', + value: function onBeginElement(name, attributes, isEmpty) { + var node = new SimpleDOMNode(name); + node.childNodes = []; + this._currentFragment.push(node); + if (isEmpty) { + return; } - }, { - key: 'desiredSize', - get: function get() { - if (IsTransformStreamDefaultController(this) === false) { - throw defaultControllerBrandCheckException('desiredSize'); - } - var transformStream = this._controlledTransformStream; - var readableController = transformStream._readableController; - return ReadableStreamDefaultControllerGetDesiredSize(readableController); + this._stack.push(this._currentFragment); + this._currentFragment = node.childNodes; + } + }, { + key: 'onEndElement', + value: function onEndElement(name) { + this._currentFragment = this._stack.pop(); + var lastElement = this._currentFragment[this._currentFragment.length - 1]; + for (var i = 0, ii = lastElement.childNodes.length; i < ii; i++) { + lastElement.childNodes[i].parentNode = lastElement; } - }]); - return TransformStreamDefaultController; - }(); - var TransformStream = function () { - function TransformStream() { - var transformer = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {}; - _classCallCheck(this, TransformStream); - this._transformer = transformer; - var readableStrategy = transformer.readableStrategy, - writableStrategy = transformer.writableStrategy; - this._transforming = false; - this._errored = false; - this._storedError = undefined; - this._writableController = undefined; - this._readableController = undefined; - this._transformStreamController = undefined; - this._writableDone = false; - this._readableClosed = false; - this._backpressure = undefined; - this._backpressureChangePromise = undefined; - this._backpressureChangePromise_resolve = undefined; - this._transformStreamController = new TransformStreamDefaultController(this); - var startPromise_resolve = void 0; - var startPromise = new Promise(function (resolve) { - startPromise_resolve = resolve; - }); - var source = new TransformStreamSource(this, startPromise); - this._readable = new ReadableStream(source, readableStrategy); - var sink = new TransformStreamSink(this, startPromise); - this._writable = new WritableStream(sink, writableStrategy); - assert(this._writableController !== undefined); - assert(this._readableController !== undefined); - var desiredSize = ReadableStreamDefaultControllerGetDesiredSize(this._readableController); - TransformStreamSetBackpressure(this, desiredSize <= 0); - var transformStream = this; - var startResult = InvokeOrNoop(transformer, 'start', [transformStream._transformStreamController]); - startPromise_resolve(startResult); - startPromise.catch(function (e) { - if (transformStream._errored === false) { - transformStream._errored = true; - transformStream._storedError = e; - } - }); } - _createClass(TransformStream, [{ - key: 'readable', - get: function get() { - if (IsTransformStream(this) === false) { - throw streamBrandCheckException('readable'); + }, { + key: 'onError', + value: function onError(code) { + this._errorCode = code; + } + }]); + + return SimpleXMLParser; +}(XMLParserBase); + +exports.SimpleXMLParser = SimpleXMLParser; + +/***/ }), +/* 143 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +Object.defineProperty(exports, "__esModule", { + value: true +}); +exports.PDFDataTransportStream = undefined; + +var _regenerator = __w_pdfjs_require__(137); + +var _regenerator2 = _interopRequireDefault(_regenerator); + +var _util = __w_pdfjs_require__(1); + +function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } + +function _asyncToGenerator(fn) { return function () { var gen = fn.apply(this, arguments); return new Promise(function (resolve, reject) { function step(key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { return Promise.resolve(value).then(function (value) { step("next", value); }, function (err) { step("throw", err); }); } } return step("next"); }); }; } + +var PDFDataTransportStream = function PDFDataTransportStreamClosure() { + function PDFDataTransportStream(params, pdfDataRangeTransport) { + var _this = this; + + (0, _util.assert)(pdfDataRangeTransport); + this._queuedChunks = []; + var initialData = params.initialData; + if (initialData && initialData.length > 0) { + var buffer = new Uint8Array(initialData).buffer; + this._queuedChunks.push(buffer); + } + this._pdfDataRangeTransport = pdfDataRangeTransport; + this._isStreamingSupported = !params.disableStream; + this._isRangeSupported = !params.disableRange; + this._contentLength = params.length; + this._fullRequestReader = null; + this._rangeReaders = []; + this._pdfDataRangeTransport.addRangeListener(function (begin, chunk) { + _this._onReceiveData({ + begin: begin, + chunk: chunk + }); + }); + this._pdfDataRangeTransport.addProgressListener(function (loaded) { + _this._onProgress({ loaded: loaded }); + }); + this._pdfDataRangeTransport.addProgressiveReadListener(function (chunk) { + _this._onReceiveData({ chunk: chunk }); + }); + this._pdfDataRangeTransport.transportReady(); + } + PDFDataTransportStream.prototype = { + _onReceiveData: function PDFDataTransportStream_onReceiveData(args) { + var buffer = new Uint8Array(args.chunk).buffer; + if (args.begin === undefined) { + if (this._fullRequestReader) { + this._fullRequestReader._enqueue(buffer); + } else { + this._queuedChunks.push(buffer); } - return this._readable; + } else { + var found = this._rangeReaders.some(function (rangeReader) { + if (rangeReader._begin !== args.begin) { + return false; + } + rangeReader._enqueue(buffer); + return true; + }); + (0, _util.assert)(found); } - }, { - key: 'writable', - get: function get() { - if (IsTransformStream(this) === false) { - throw streamBrandCheckException('writable'); + }, + _onProgress: function PDFDataTransportStream_onDataProgress(evt) { + if (this._rangeReaders.length > 0) { + var firstReader = this._rangeReaders[0]; + if (firstReader.onProgress) { + firstReader.onProgress({ loaded: evt.loaded }); } - return this._writable; } - }]); - return TransformStream; - }(); - module.exports = { TransformStream: TransformStream }; - function defaultControllerBrandCheckException(name) { - return new TypeError('TransformStreamDefaultController.prototype.' + name + ' can only be used on a TransformStreamDefaultController'); - } - function streamBrandCheckException(name) { - return new TypeError('TransformStream.prototype.' + name + ' can only be used on a TransformStream'); + }, + _removeRangeReader: function PDFDataTransportStream_removeRangeReader(reader) { + var i = this._rangeReaders.indexOf(reader); + if (i >= 0) { + this._rangeReaders.splice(i, 1); + } + }, + getFullReader: function PDFDataTransportStream_getFullReader() { + (0, _util.assert)(!this._fullRequestReader); + var queuedChunks = this._queuedChunks; + this._queuedChunks = null; + return new PDFDataTransportStreamReader(this, queuedChunks); + }, + getRangeReader: function PDFDataTransportStream_getRangeReader(begin, end) { + var reader = new PDFDataTransportStreamRangeReader(this, begin, end); + this._pdfDataRangeTransport.requestDataRange(begin, end); + this._rangeReaders.push(reader); + return reader; + }, + cancelAllRequests: function PDFDataTransportStream_cancelAllRequests(reason) { + if (this._fullRequestReader) { + this._fullRequestReader.cancel(reason); + } + var readers = this._rangeReaders.slice(0); + readers.forEach(function (rangeReader) { + rangeReader.cancel(reason); + }); + this._pdfDataRangeTransport.abort(); + } + }; + function PDFDataTransportStreamReader(stream, queuedChunks) { + this._stream = stream; + this._done = false; + this._filename = null; + this._queuedChunks = queuedChunks || []; + this._requests = []; + this._headersReady = Promise.resolve(); + stream._fullRequestReader = this; + this.onProgress = null; } -}, function (module, exports, __w_pdfjs_require__) { - module.exports = __w_pdfjs_require__(5); -}])); + PDFDataTransportStreamReader.prototype = { + _enqueue: function PDFDataTransportStreamReader_enqueue(chunk) { + if (this._done) { + return; + } + if (this._requests.length > 0) { + var requestCapability = this._requests.shift(); + requestCapability.resolve({ + value: chunk, + done: false + }); + return; + } + this._queuedChunks.push(chunk); + }, + get headersReady() { + return this._headersReady; + }, + get filename() { + return this._filename; + }, + get isRangeSupported() { + return this._stream._isRangeSupported; + }, + get isStreamingSupported() { + return this._stream._isStreamingSupported; + }, + get contentLength() { + return this._stream._contentLength; + }, + read: function () { + var _ref = _asyncToGenerator( /*#__PURE__*/_regenerator2.default.mark(function _callee() { + var chunk, requestCapability; + return _regenerator2.default.wrap(function _callee$(_context) { + while (1) { + switch (_context.prev = _context.next) { + case 0: + if (!(this._queuedChunks.length > 0)) { + _context.next = 3; + break; + } -/***/ }), -/* 11 */ -/***/ (function(module, exports, __w_pdfjs_require__) { + chunk = this._queuedChunks.shift(); + return _context.abrupt('return', { + value: chunk, + done: false + }); -"use strict"; + case 3: + if (!this._done) { + _context.next = 5; + break; + } + return _context.abrupt('return', { + value: undefined, + done: true + }); -Object.defineProperty(exports, "__esModule", { - value: true -}); -exports.CanvasGraphics = undefined; + case 5: + requestCapability = (0, _util.createPromiseCapability)(); + + this._requests.push(requestCapability); + return _context.abrupt('return', requestCapability.promise); -var _util = __w_pdfjs_require__(0); + case 8: + case 'end': + return _context.stop(); + } + } + }, _callee, this); + })); -var _pattern_helper = __w_pdfjs_require__(13); + function read() { + return _ref.apply(this, arguments); + } -var _webgl = __w_pdfjs_require__(7); + return read; + }(), -var MIN_FONT_SIZE = 16; -var MAX_FONT_SIZE = 100; -var MAX_GROUP_SIZE = 4096; -var MIN_WIDTH_FACTOR = 0.65; -var COMPILE_TYPE3_GLYPHS = true; -var MAX_SIZE_TO_COMPILE = 1000; -var FULL_CHUNK_HEIGHT = 16; -var IsLittleEndianCached = { - get value() { - return (0, _util.shadow)(IsLittleEndianCached, 'value', (0, _util.isLittleEndian)()); + cancel: function PDFDataTransportStreamReader_cancel(reason) { + this._done = true; + this._requests.forEach(function (requestCapability) { + requestCapability.resolve({ + value: undefined, + done: true + }); + }); + this._requests = []; + } + }; + function PDFDataTransportStreamRangeReader(stream, begin, end) { + this._stream = stream; + this._begin = begin; + this._end = end; + this._queuedChunk = null; + this._requests = []; + this._done = false; + this.onProgress = null; } -}; -function addContextCurrentTransform(ctx) { - if (!ctx.mozCurrentTransform) { - ctx._originalSave = ctx.save; - ctx._originalRestore = ctx.restore; - ctx._originalRotate = ctx.rotate; - ctx._originalScale = ctx.scale; - ctx._originalTranslate = ctx.translate; - ctx._originalTransform = ctx.transform; - ctx._originalSetTransform = ctx.setTransform; - ctx._transformMatrix = ctx._transformMatrix || [1, 0, 0, 1, 0, 0]; - ctx._transformStack = []; - Object.defineProperty(ctx, 'mozCurrentTransform', { - get: function getCurrentTransform() { - return this._transformMatrix; - } - }); - Object.defineProperty(ctx, 'mozCurrentTransformInverse', { - get: function getCurrentTransformInverse() { - var m = this._transformMatrix; - var a = m[0], - b = m[1], - c = m[2], - d = m[3], - e = m[4], - f = m[5]; - var ad_bc = a * d - b * c; - var bc_ad = b * c - a * d; - return [d / ad_bc, b / bc_ad, c / bc_ad, a / ad_bc, (d * e - c * f) / bc_ad, (b * e - a * f) / ad_bc]; - } - }); - ctx.save = function ctxSave() { - var old = this._transformMatrix; - this._transformStack.push(old); - this._transformMatrix = old.slice(0, 6); - this._originalSave(); - }; - ctx.restore = function ctxRestore() { - var prev = this._transformStack.pop(); - if (prev) { - this._transformMatrix = prev; - this._originalRestore(); + PDFDataTransportStreamRangeReader.prototype = { + _enqueue: function PDFDataTransportStreamRangeReader_enqueue(chunk) { + if (this._done) { + return; } - }; - ctx.translate = function ctxTranslate(x, y) { - var m = this._transformMatrix; - m[4] = m[0] * x + m[2] * y + m[4]; - m[5] = m[1] * x + m[3] * y + m[5]; - this._originalTranslate(x, y); - }; - ctx.scale = function ctxScale(x, y) { - var m = this._transformMatrix; - m[0] = m[0] * x; - m[1] = m[1] * x; - m[2] = m[2] * y; - m[3] = m[3] * y; - this._originalScale(x, y); - }; - ctx.transform = function ctxTransform(a, b, c, d, e, f) { - var m = this._transformMatrix; - this._transformMatrix = [m[0] * a + m[2] * b, m[1] * a + m[3] * b, m[0] * c + m[2] * d, m[1] * c + m[3] * d, m[0] * e + m[2] * f + m[4], m[1] * e + m[3] * f + m[5]]; - ctx._originalTransform(a, b, c, d, e, f); - }; - ctx.setTransform = function ctxSetTransform(a, b, c, d, e, f) { - this._transformMatrix = [a, b, c, d, e, f]; - ctx._originalSetTransform(a, b, c, d, e, f); - }; - ctx.rotate = function ctxRotate(angle) { - var cosValue = Math.cos(angle); - var sinValue = Math.sin(angle); - var m = this._transformMatrix; - this._transformMatrix = [m[0] * cosValue + m[2] * sinValue, m[1] * cosValue + m[3] * sinValue, m[0] * -sinValue + m[2] * cosValue, m[1] * -sinValue + m[3] * cosValue, m[4], m[5]]; - this._originalRotate(angle); - }; - } -} -var CachedCanvases = function CachedCanvasesClosure() { - function CachedCanvases(canvasFactory) { - this.canvasFactory = canvasFactory; - this.cache = Object.create(null); - } - CachedCanvases.prototype = { - getCanvas: function CachedCanvases_getCanvas(id, width, height, trackTransform) { - var canvasEntry; - if (this.cache[id] !== undefined) { - canvasEntry = this.cache[id]; - this.canvasFactory.reset(canvasEntry, width, height); - canvasEntry.context.setTransform(1, 0, 0, 1, 0, 0); + if (this._requests.length === 0) { + this._queuedChunk = chunk; } else { - canvasEntry = this.canvasFactory.create(width, height); - this.cache[id] = canvasEntry; - } - if (trackTransform) { - addContextCurrentTransform(canvasEntry.context); + var requestsCapability = this._requests.shift(); + requestsCapability.resolve({ + value: chunk, + done: false + }); + this._requests.forEach(function (requestCapability) { + requestCapability.resolve({ + value: undefined, + done: true + }); + }); + this._requests = []; } - return canvasEntry; + this._done = true; + this._stream._removeRangeReader(this); }, - clear: function clear() { - for (var id in this.cache) { - var canvasEntry = this.cache[id]; - this.canvasFactory.destroy(canvasEntry); - delete this.cache[id]; + get isStreamingSupported() { + return false; + }, + read: function () { + var _ref2 = _asyncToGenerator( /*#__PURE__*/_regenerator2.default.mark(function _callee2() { + var chunk, requestCapability; + return _regenerator2.default.wrap(function _callee2$(_context2) { + while (1) { + switch (_context2.prev = _context2.next) { + case 0: + if (!this._queuedChunk) { + _context2.next = 4; + break; + } + + chunk = this._queuedChunk; + + this._queuedChunk = null; + return _context2.abrupt('return', { + value: chunk, + done: false + }); + + case 4: + if (!this._done) { + _context2.next = 6; + break; + } + + return _context2.abrupt('return', { + value: undefined, + done: true + }); + + case 6: + requestCapability = (0, _util.createPromiseCapability)(); + + this._requests.push(requestCapability); + return _context2.abrupt('return', requestCapability.promise); + + case 9: + case 'end': + return _context2.stop(); + } + } + }, _callee2, this); + })); + + function read() { + return _ref2.apply(this, arguments); } + + return read; + }(), + + cancel: function PDFDataTransportStreamRangeReader_cancel(reason) { + this._done = true; + this._requests.forEach(function (requestCapability) { + requestCapability.resolve({ + value: undefined, + done: true + }); + }); + this._requests = []; + this._stream._removeRangeReader(this); } }; - return CachedCanvases; + return PDFDataTransportStream; }(); -function compileType3Glyph(imgData) { - var POINT_TO_PROCESS_LIMIT = 1000; - var width = imgData.width, - height = imgData.height; - var i, - j, - j0, - width1 = width + 1; - var points = new Uint8Array(width1 * (height + 1)); - var POINT_TYPES = new Uint8Array([0, 2, 4, 0, 1, 0, 5, 4, 8, 10, 0, 8, 0, 2, 1, 0]); - var lineSize = width + 7 & ~7, - data0 = imgData.data; - var data = new Uint8Array(lineSize * height), - pos = 0, - ii; - for (i = 0, ii = data0.length; i < ii; i++) { - var mask = 128, - elem = data0[i]; - while (mask > 0) { - data[pos++] = elem & mask ? 0 : 255; - mask >>= 1; - } - } - var count = 0; - pos = 0; - if (data[pos] !== 0) { - points[0] = 1; - ++count; +exports.PDFDataTransportStream = PDFDataTransportStream; + +/***/ }), +/* 144 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +Object.defineProperty(exports, "__esModule", { + value: true +}); +exports.WebGLContext = undefined; + +var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }(); + +var _util = __w_pdfjs_require__(1); + +function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } + +var WebGLContext = function () { + function WebGLContext(_ref) { + var _ref$enable = _ref.enable, + enable = _ref$enable === undefined ? false : _ref$enable; + + _classCallCheck(this, WebGLContext); + + this._enabled = enable === true; } - for (j = 1; j < width; j++) { - if (data[pos] !== data[pos + 1]) { - points[j] = data[pos] ? 2 : 1; - ++count; + + _createClass(WebGLContext, [{ + key: 'composeSMask', + value: function composeSMask(_ref2) { + var layer = _ref2.layer, + mask = _ref2.mask, + properties = _ref2.properties; + + return WebGLUtils.composeSMask(layer, mask, properties); } - pos++; - } - if (data[pos] !== 0) { - points[j] = 2; - ++count; - } - for (i = 1; i < height; i++) { - pos = i * lineSize; - j0 = i * width1; - if (data[pos - lineSize] !== data[pos]) { - points[j0] = data[pos] ? 1 : 8; - ++count; + }, { + key: 'drawFigures', + value: function drawFigures(_ref3) { + var width = _ref3.width, + height = _ref3.height, + backgroundColor = _ref3.backgroundColor, + figures = _ref3.figures, + context = _ref3.context; + + return WebGLUtils.drawFigures(width, height, backgroundColor, figures, context); } - var sum = (data[pos] ? 4 : 0) + (data[pos - lineSize] ? 8 : 0); - for (j = 1; j < width; j++) { - sum = (sum >> 2) + (data[pos + 1] ? 4 : 0) + (data[pos - lineSize + 1] ? 8 : 0); - if (POINT_TYPES[sum]) { - points[j0 + j] = POINT_TYPES[sum]; - ++count; + }, { + key: 'clear', + value: function clear() { + WebGLUtils.cleanup(); + } + }, { + key: 'isEnabled', + get: function get() { + var enabled = this._enabled; + if (enabled) { + enabled = WebGLUtils.tryInitGL(); } - pos++; + return (0, _util.shadow)(this, 'isEnabled', enabled); } - if (data[pos - lineSize] !== data[pos]) { - points[j0 + j] = data[pos] ? 2 : 4; - ++count; + }]); + + return WebGLContext; +}(); + +var WebGLUtils = function WebGLUtilsClosure() { + function loadShader(gl, code, shaderType) { + var shader = gl.createShader(shaderType); + gl.shaderSource(shader, code); + gl.compileShader(shader); + var compiled = gl.getShaderParameter(shader, gl.COMPILE_STATUS); + if (!compiled) { + var errorMsg = gl.getShaderInfoLog(shader); + throw new Error('Error during shader compilation: ' + errorMsg); } - if (count > POINT_TO_PROCESS_LIMIT) { - return null; + return shader; + } + function createVertexShader(gl, code) { + return loadShader(gl, code, gl.VERTEX_SHADER); + } + function createFragmentShader(gl, code) { + return loadShader(gl, code, gl.FRAGMENT_SHADER); + } + function createProgram(gl, shaders) { + var program = gl.createProgram(); + for (var i = 0, ii = shaders.length; i < ii; ++i) { + gl.attachShader(program, shaders[i]); } + gl.linkProgram(program); + var linked = gl.getProgramParameter(program, gl.LINK_STATUS); + if (!linked) { + var errorMsg = gl.getProgramInfoLog(program); + throw new Error('Error during program linking: ' + errorMsg); + } + return program; } - pos = lineSize * (height - 1); - j0 = i * width1; - if (data[pos] !== 0) { - points[j0] = 8; - ++count; + function createTexture(gl, image, textureId) { + gl.activeTexture(textureId); + var texture = gl.createTexture(); + gl.bindTexture(gl.TEXTURE_2D, texture); + gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE); + gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE); + gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST); + gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST); + gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, image); + return texture; + } + var currentGL, currentCanvas; + function generateGL() { + if (currentGL) { + return; + } + currentCanvas = document.createElement('canvas'); + currentGL = currentCanvas.getContext('webgl', { premultipliedalpha: false }); + } + var smaskVertexShaderCode = '\ + attribute vec2 a_position; \ + attribute vec2 a_texCoord; \ + \ + uniform vec2 u_resolution; \ + \ + varying vec2 v_texCoord; \ + \ + void main() { \ + vec2 clipSpace = (a_position / u_resolution) * 2.0 - 1.0; \ + gl_Position = vec4(clipSpace * vec2(1, -1), 0, 1); \ + \ + v_texCoord = a_texCoord; \ + } '; + var smaskFragmentShaderCode = '\ + precision mediump float; \ + \ + uniform vec4 u_backdrop; \ + uniform int u_subtype; \ + uniform sampler2D u_image; \ + uniform sampler2D u_mask; \ + \ + varying vec2 v_texCoord; \ + \ + void main() { \ + vec4 imageColor = texture2D(u_image, v_texCoord); \ + vec4 maskColor = texture2D(u_mask, v_texCoord); \ + if (u_backdrop.a > 0.0) { \ + maskColor.rgb = maskColor.rgb * maskColor.a + \ + u_backdrop.rgb * (1.0 - maskColor.a); \ + } \ + float lum; \ + if (u_subtype == 0) { \ + lum = maskColor.a; \ + } else { \ + lum = maskColor.r * 0.3 + maskColor.g * 0.59 + \ + maskColor.b * 0.11; \ + } \ + imageColor.a *= lum; \ + imageColor.rgb *= imageColor.a; \ + gl_FragColor = imageColor; \ + } '; + var smaskCache = null; + function initSmaskGL() { + var canvas, gl; + generateGL(); + canvas = currentCanvas; + currentCanvas = null; + gl = currentGL; + currentGL = null; + var vertexShader = createVertexShader(gl, smaskVertexShaderCode); + var fragmentShader = createFragmentShader(gl, smaskFragmentShaderCode); + var program = createProgram(gl, [vertexShader, fragmentShader]); + gl.useProgram(program); + var cache = {}; + cache.gl = gl; + cache.canvas = canvas; + cache.resolutionLocation = gl.getUniformLocation(program, 'u_resolution'); + cache.positionLocation = gl.getAttribLocation(program, 'a_position'); + cache.backdropLocation = gl.getUniformLocation(program, 'u_backdrop'); + cache.subtypeLocation = gl.getUniformLocation(program, 'u_subtype'); + var texCoordLocation = gl.getAttribLocation(program, 'a_texCoord'); + var texLayerLocation = gl.getUniformLocation(program, 'u_image'); + var texMaskLocation = gl.getUniformLocation(program, 'u_mask'); + var texCoordBuffer = gl.createBuffer(); + gl.bindBuffer(gl.ARRAY_BUFFER, texCoordBuffer); + gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([0.0, 0.0, 1.0, 0.0, 0.0, 1.0, 0.0, 1.0, 1.0, 0.0, 1.0, 1.0]), gl.STATIC_DRAW); + gl.enableVertexAttribArray(texCoordLocation); + gl.vertexAttribPointer(texCoordLocation, 2, gl.FLOAT, false, 0, 0); + gl.uniform1i(texLayerLocation, 0); + gl.uniform1i(texMaskLocation, 1); + smaskCache = cache; } - for (j = 1; j < width; j++) { - if (data[pos] !== data[pos + 1]) { - points[j0 + j] = data[pos] ? 4 : 8; - ++count; + function composeSMask(layer, mask, properties) { + var width = layer.width, + height = layer.height; + if (!smaskCache) { + initSmaskGL(); } - pos++; - } - if (data[pos] !== 0) { - points[j0 + j] = 4; - ++count; + var cache = smaskCache, + canvas = cache.canvas, + gl = cache.gl; + canvas.width = width; + canvas.height = height; + gl.viewport(0, 0, gl.drawingBufferWidth, gl.drawingBufferHeight); + gl.uniform2f(cache.resolutionLocation, width, height); + if (properties.backdrop) { + gl.uniform4f(cache.resolutionLocation, properties.backdrop[0], properties.backdrop[1], properties.backdrop[2], 1); + } else { + gl.uniform4f(cache.resolutionLocation, 0, 0, 0, 0); + } + gl.uniform1i(cache.subtypeLocation, properties.subtype === 'Luminosity' ? 1 : 0); + var texture = createTexture(gl, layer, gl.TEXTURE0); + var maskTexture = createTexture(gl, mask, gl.TEXTURE1); + var buffer = gl.createBuffer(); + gl.bindBuffer(gl.ARRAY_BUFFER, buffer); + gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([0, 0, width, 0, 0, height, 0, height, width, 0, width, height]), gl.STATIC_DRAW); + gl.enableVertexAttribArray(cache.positionLocation); + gl.vertexAttribPointer(cache.positionLocation, 2, gl.FLOAT, false, 0, 0); + gl.clearColor(0, 0, 0, 0); + gl.enable(gl.BLEND); + gl.blendFunc(gl.ONE, gl.ONE_MINUS_SRC_ALPHA); + gl.clear(gl.COLOR_BUFFER_BIT); + gl.drawArrays(gl.TRIANGLES, 0, 6); + gl.flush(); + gl.deleteTexture(texture); + gl.deleteTexture(maskTexture); + gl.deleteBuffer(buffer); + return canvas; } - if (count > POINT_TO_PROCESS_LIMIT) { - return null; + var figuresVertexShaderCode = '\ + attribute vec2 a_position; \ + attribute vec3 a_color; \ + \ + uniform vec2 u_resolution; \ + uniform vec2 u_scale; \ + uniform vec2 u_offset; \ + \ + varying vec4 v_color; \ + \ + void main() { \ + vec2 position = (a_position + u_offset) * u_scale; \ + vec2 clipSpace = (position / u_resolution) * 2.0 - 1.0; \ + gl_Position = vec4(clipSpace * vec2(1, -1), 0, 1); \ + \ + v_color = vec4(a_color / 255.0, 1.0); \ + } '; + var figuresFragmentShaderCode = '\ + precision mediump float; \ + \ + varying vec4 v_color; \ + \ + void main() { \ + gl_FragColor = v_color; \ + } '; + var figuresCache = null; + function initFiguresGL() { + var canvas, gl; + generateGL(); + canvas = currentCanvas; + currentCanvas = null; + gl = currentGL; + currentGL = null; + var vertexShader = createVertexShader(gl, figuresVertexShaderCode); + var fragmentShader = createFragmentShader(gl, figuresFragmentShaderCode); + var program = createProgram(gl, [vertexShader, fragmentShader]); + gl.useProgram(program); + var cache = {}; + cache.gl = gl; + cache.canvas = canvas; + cache.resolutionLocation = gl.getUniformLocation(program, 'u_resolution'); + cache.scaleLocation = gl.getUniformLocation(program, 'u_scale'); + cache.offsetLocation = gl.getUniformLocation(program, 'u_offset'); + cache.positionLocation = gl.getAttribLocation(program, 'a_position'); + cache.colorLocation = gl.getAttribLocation(program, 'a_color'); + figuresCache = cache; } - var steps = new Int32Array([0, width1, -1, 0, -width1, 0, 0, 0, 1]); - var outlines = []; - for (i = 0; count && i <= height; i++) { - var p = i * width1; - var end = p + width; - while (p < end && !points[p]) { - p++; - } - if (p === end) { - continue; + function drawFigures(width, height, backgroundColor, figures, context) { + if (!figuresCache) { + initFiguresGL(); } - var coords = [p % width1, i]; - var type = points[p], - p0 = p, - pp; - do { - var step = steps[type]; - do { - p += step; - } while (!points[p]); - pp = points[p]; - if (pp !== 5 && pp !== 10) { - type = pp; - points[p] = 0; - } else { - type = pp & 0x33 * type >> 4; - points[p] &= type >> 2 | type << 2; - } - coords.push(p % width1); - coords.push(p / width1 | 0); - --count; - } while (p0 !== p); - outlines.push(coords); - --i; - } - var drawOutline = function drawOutline(c) { - c.save(); - c.scale(1 / width, -1 / height); - c.translate(0, -height); - c.beginPath(); - for (var i = 0, ii = outlines.length; i < ii; i++) { - var o = outlines[i]; - c.moveTo(o[0], o[1]); - for (var j = 2, jj = o.length; j < jj; j += 2) { - c.lineTo(o[j], o[j + 1]); + var cache = figuresCache, + canvas = cache.canvas, + gl = cache.gl; + canvas.width = width; + canvas.height = height; + gl.viewport(0, 0, gl.drawingBufferWidth, gl.drawingBufferHeight); + gl.uniform2f(cache.resolutionLocation, width, height); + var count = 0; + var i, ii, rows; + for (i = 0, ii = figures.length; i < ii; i++) { + switch (figures[i].type) { + case 'lattice': + rows = figures[i].coords.length / figures[i].verticesPerRow | 0; + count += (rows - 1) * (figures[i].verticesPerRow - 1) * 6; + break; + case 'triangles': + count += figures[i].coords.length; + break; } } - c.fill(); - c.beginPath(); - c.restore(); - }; - return drawOutline; -} -var CanvasExtraState = function CanvasExtraStateClosure() { - function CanvasExtraState() { - this.alphaIsShape = false; - this.fontSize = 0; - this.fontSizeScale = 1; - this.textMatrix = _util.IDENTITY_MATRIX; - this.textMatrixScale = 1; - this.fontMatrix = _util.FONT_IDENTITY_MATRIX; - this.leading = 0; - this.x = 0; - this.y = 0; - this.lineX = 0; - this.lineY = 0; - this.charSpacing = 0; - this.wordSpacing = 0; - this.textHScale = 1; - this.textRenderingMode = _util.TextRenderingMode.FILL; - this.textRise = 0; - this.fillColor = '#000000'; - this.strokeColor = '#000000'; - this.patternFill = false; - this.fillAlpha = 1; - this.strokeAlpha = 1; - this.lineWidth = 1; - this.activeSMask = null; - this.resumeSMaskCtx = null; + var coords = new Float32Array(count * 2); + var colors = new Uint8Array(count * 3); + var coordsMap = context.coords, + colorsMap = context.colors; + var pIndex = 0, + cIndex = 0; + for (i = 0, ii = figures.length; i < ii; i++) { + var figure = figures[i], + ps = figure.coords, + cs = figure.colors; + switch (figure.type) { + case 'lattice': + var cols = figure.verticesPerRow; + rows = ps.length / cols | 0; + for (var row = 1; row < rows; row++) { + var offset = row * cols + 1; + for (var col = 1; col < cols; col++, offset++) { + coords[pIndex] = coordsMap[ps[offset - cols - 1]]; + coords[pIndex + 1] = coordsMap[ps[offset - cols - 1] + 1]; + coords[pIndex + 2] = coordsMap[ps[offset - cols]]; + coords[pIndex + 3] = coordsMap[ps[offset - cols] + 1]; + coords[pIndex + 4] = coordsMap[ps[offset - 1]]; + coords[pIndex + 5] = coordsMap[ps[offset - 1] + 1]; + colors[cIndex] = colorsMap[cs[offset - cols - 1]]; + colors[cIndex + 1] = colorsMap[cs[offset - cols - 1] + 1]; + colors[cIndex + 2] = colorsMap[cs[offset - cols - 1] + 2]; + colors[cIndex + 3] = colorsMap[cs[offset - cols]]; + colors[cIndex + 4] = colorsMap[cs[offset - cols] + 1]; + colors[cIndex + 5] = colorsMap[cs[offset - cols] + 2]; + colors[cIndex + 6] = colorsMap[cs[offset - 1]]; + colors[cIndex + 7] = colorsMap[cs[offset - 1] + 1]; + colors[cIndex + 8] = colorsMap[cs[offset - 1] + 2]; + coords[pIndex + 6] = coords[pIndex + 2]; + coords[pIndex + 7] = coords[pIndex + 3]; + coords[pIndex + 8] = coords[pIndex + 4]; + coords[pIndex + 9] = coords[pIndex + 5]; + coords[pIndex + 10] = coordsMap[ps[offset]]; + coords[pIndex + 11] = coordsMap[ps[offset] + 1]; + colors[cIndex + 9] = colors[cIndex + 3]; + colors[cIndex + 10] = colors[cIndex + 4]; + colors[cIndex + 11] = colors[cIndex + 5]; + colors[cIndex + 12] = colors[cIndex + 6]; + colors[cIndex + 13] = colors[cIndex + 7]; + colors[cIndex + 14] = colors[cIndex + 8]; + colors[cIndex + 15] = colorsMap[cs[offset]]; + colors[cIndex + 16] = colorsMap[cs[offset] + 1]; + colors[cIndex + 17] = colorsMap[cs[offset] + 2]; + pIndex += 12; + cIndex += 18; + } + } + break; + case 'triangles': + for (var j = 0, jj = ps.length; j < jj; j++) { + coords[pIndex] = coordsMap[ps[j]]; + coords[pIndex + 1] = coordsMap[ps[j] + 1]; + colors[cIndex] = colorsMap[cs[j]]; + colors[cIndex + 1] = colorsMap[cs[j] + 1]; + colors[cIndex + 2] = colorsMap[cs[j] + 2]; + pIndex += 2; + cIndex += 3; + } + break; + } + } + if (backgroundColor) { + gl.clearColor(backgroundColor[0] / 255, backgroundColor[1] / 255, backgroundColor[2] / 255, 1.0); + } else { + gl.clearColor(0, 0, 0, 0); + } + gl.clear(gl.COLOR_BUFFER_BIT); + var coordsBuffer = gl.createBuffer(); + gl.bindBuffer(gl.ARRAY_BUFFER, coordsBuffer); + gl.bufferData(gl.ARRAY_BUFFER, coords, gl.STATIC_DRAW); + gl.enableVertexAttribArray(cache.positionLocation); + gl.vertexAttribPointer(cache.positionLocation, 2, gl.FLOAT, false, 0, 0); + var colorsBuffer = gl.createBuffer(); + gl.bindBuffer(gl.ARRAY_BUFFER, colorsBuffer); + gl.bufferData(gl.ARRAY_BUFFER, colors, gl.STATIC_DRAW); + gl.enableVertexAttribArray(cache.colorLocation); + gl.vertexAttribPointer(cache.colorLocation, 3, gl.UNSIGNED_BYTE, false, 0, 0); + gl.uniform2f(cache.scaleLocation, context.scaleX, context.scaleY); + gl.uniform2f(cache.offsetLocation, context.offsetX, context.offsetY); + gl.drawArrays(gl.TRIANGLES, 0, count); + gl.flush(); + gl.deleteBuffer(coordsBuffer); + gl.deleteBuffer(colorsBuffer); + return canvas; } - CanvasExtraState.prototype = { - clone: function CanvasExtraState_clone() { - return Object.create(this); + return { + tryInitGL: function tryInitGL() { + try { + generateGL(); + return !!currentGL; + } catch (ex) {} + return false; }, - setCurrentPoint: function CanvasExtraState_setCurrentPoint(x, y) { - this.x = x; - this.y = y; + + composeSMask: composeSMask, + drawFigures: drawFigures, + cleanup: function cleanup() { + if (smaskCache && smaskCache.canvas) { + smaskCache.canvas.width = 0; + smaskCache.canvas.height = 0; + } + if (figuresCache && figuresCache.canvas) { + figuresCache.canvas.width = 0; + figuresCache.canvas.height = 0; + } + smaskCache = null; + figuresCache = null; } }; - return CanvasExtraState; }(); -var CanvasGraphics = function CanvasGraphicsClosure() { - var EXECUTION_TIME = 15; - var EXECUTION_STEPS = 10; - function CanvasGraphics(canvasCtx, commonObjs, objs, canvasFactory, imageLayer) { - this.ctx = canvasCtx; - this.current = new CanvasExtraState(); - this.stateStack = []; - this.pendingClip = null; - this.pendingEOFill = false; - this.res = null; - this.xobjs = null; - this.commonObjs = commonObjs; - this.objs = objs; - this.canvasFactory = canvasFactory; - this.imageLayer = imageLayer; - this.groupStack = []; - this.processingType3 = null; - this.baseTransform = null; - this.baseTransformStack = []; - this.groupLevel = 0; - this.smaskStack = []; - this.smaskCounter = 0; - this.tempSMask = null; - this.cachedCanvases = new CachedCanvases(this.canvasFactory); - if (canvasCtx) { - addContextCurrentTransform(canvasCtx); - } - this.cachedGetSinglePixelWidth = null; +exports.WebGLContext = WebGLContext; + +/***/ }), +/* 145 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +Object.defineProperty(exports, "__esModule", { + value: true +}); +exports.renderTextLayer = undefined; + +var _util = __w_pdfjs_require__(1); + +var _global_scope = __w_pdfjs_require__(3); + +var _global_scope2 = _interopRequireDefault(_global_scope); + +function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } + +var renderTextLayer = function renderTextLayerClosure() { + var MAX_TEXT_DIVS_TO_RENDER = 100000; + var NonWhitespaceRegexp = /\S/; + function isAllWhitespace(str) { + return !NonWhitespaceRegexp.test(str); } - function putBinaryImageData(ctx, imgData) { - if (typeof ImageData !== 'undefined' && imgData instanceof ImageData) { - ctx.putImageData(imgData, 0, 0); + var styleBuf = ['left: ', 0, 'px; top: ', 0, 'px; font-size: ', 0, 'px; font-family: ', '', ';']; + function appendText(task, geom, styles) { + var textDiv = document.createElement('div'); + var textDivProperties = { + style: null, + angle: 0, + canvasWidth: 0, + isWhitespace: false, + originalTransform: null, + paddingBottom: 0, + paddingLeft: 0, + paddingRight: 0, + paddingTop: 0, + scale: 1 + }; + task._textDivs.push(textDiv); + if (isAllWhitespace(geom.str)) { + textDivProperties.isWhitespace = true; + task._textDivProperties.set(textDiv, textDivProperties); return; } - var height = imgData.height, - width = imgData.width; - var partialChunkHeight = height % FULL_CHUNK_HEIGHT; - var fullChunks = (height - partialChunkHeight) / FULL_CHUNK_HEIGHT; - var totalChunks = partialChunkHeight === 0 ? fullChunks : fullChunks + 1; - var chunkImgData = ctx.createImageData(width, FULL_CHUNK_HEIGHT); - var srcPos = 0, - destPos; - var src = imgData.data; - var dest = chunkImgData.data; - var i, j, thisChunkHeight, elemsInThisChunk; - if (imgData.kind === _util.ImageKind.GRAYSCALE_1BPP) { - var srcLength = src.byteLength; - var dest32 = new Uint32Array(dest.buffer, 0, dest.byteLength >> 2); - var dest32DataLength = dest32.length; - var fullSrcDiff = width + 7 >> 3; - var white = 0xFFFFFFFF; - var black = IsLittleEndianCached.value ? 0xFF000000 : 0x000000FF; - for (i = 0; i < totalChunks; i++) { - thisChunkHeight = i < fullChunks ? FULL_CHUNK_HEIGHT : partialChunkHeight; - destPos = 0; - for (j = 0; j < thisChunkHeight; j++) { - var srcDiff = srcLength - srcPos; - var k = 0; - var kEnd = srcDiff > fullSrcDiff ? width : srcDiff * 8 - 7; - var kEndUnrolled = kEnd & ~7; - var mask = 0; - var srcByte = 0; - for (; k < kEndUnrolled; k += 8) { - srcByte = src[srcPos++]; - dest32[destPos++] = srcByte & 128 ? white : black; - dest32[destPos++] = srcByte & 64 ? white : black; - dest32[destPos++] = srcByte & 32 ? white : black; - dest32[destPos++] = srcByte & 16 ? white : black; - dest32[destPos++] = srcByte & 8 ? white : black; - dest32[destPos++] = srcByte & 4 ? white : black; - dest32[destPos++] = srcByte & 2 ? white : black; - dest32[destPos++] = srcByte & 1 ? white : black; - } - for (; k < kEnd; k++) { - if (mask === 0) { - srcByte = src[srcPos++]; - mask = 128; - } - dest32[destPos++] = srcByte & mask ? white : black; - mask >>= 1; - } - } - while (destPos < dest32DataLength) { - dest32[destPos++] = 0; - } - ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT); - } - } else if (imgData.kind === _util.ImageKind.RGBA_32BPP) { - j = 0; - elemsInThisChunk = width * FULL_CHUNK_HEIGHT * 4; - for (i = 0; i < fullChunks; i++) { - dest.set(src.subarray(srcPos, srcPos + elemsInThisChunk)); - srcPos += elemsInThisChunk; - ctx.putImageData(chunkImgData, 0, j); - j += FULL_CHUNK_HEIGHT; - } - if (i < totalChunks) { - elemsInThisChunk = width * partialChunkHeight * 4; - dest.set(src.subarray(srcPos, srcPos + elemsInThisChunk)); - ctx.putImageData(chunkImgData, 0, j); - } - } else if (imgData.kind === _util.ImageKind.RGB_24BPP) { - thisChunkHeight = FULL_CHUNK_HEIGHT; - elemsInThisChunk = width * thisChunkHeight; - for (i = 0; i < totalChunks; i++) { - if (i >= fullChunks) { - thisChunkHeight = partialChunkHeight; - elemsInThisChunk = width * thisChunkHeight; - } - destPos = 0; - for (j = elemsInThisChunk; j--;) { - dest[destPos++] = src[srcPos++]; - dest[destPos++] = src[srcPos++]; - dest[destPos++] = src[srcPos++]; - dest[destPos++] = 255; - } - ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT); - } + var tx = _util.Util.transform(task._viewport.transform, geom.transform); + var angle = Math.atan2(tx[1], tx[0]); + var style = styles[geom.fontName]; + if (style.vertical) { + angle += Math.PI / 2; + } + var fontHeight = Math.sqrt(tx[2] * tx[2] + tx[3] * tx[3]); + var fontAscent = fontHeight; + if (style.ascent) { + fontAscent = style.ascent * fontAscent; + } else if (style.descent) { + fontAscent = (1 + style.descent) * fontAscent; + } + var left; + var top; + if (angle === 0) { + left = tx[4]; + top = tx[5] - fontAscent; } else { - throw new Error('bad image kind: ' + imgData.kind); + left = tx[4] + fontAscent * Math.sin(angle); + top = tx[5] - fontAscent * Math.cos(angle); } - } - function putBinaryImageMask(ctx, imgData) { - var height = imgData.height, - width = imgData.width; - var partialChunkHeight = height % FULL_CHUNK_HEIGHT; - var fullChunks = (height - partialChunkHeight) / FULL_CHUNK_HEIGHT; - var totalChunks = partialChunkHeight === 0 ? fullChunks : fullChunks + 1; - var chunkImgData = ctx.createImageData(width, FULL_CHUNK_HEIGHT); - var srcPos = 0; - var src = imgData.data; - var dest = chunkImgData.data; - for (var i = 0; i < totalChunks; i++) { - var thisChunkHeight = i < fullChunks ? FULL_CHUNK_HEIGHT : partialChunkHeight; - var destPos = 3; - for (var j = 0; j < thisChunkHeight; j++) { - var mask = 0; - for (var k = 0; k < width; k++) { - if (!mask) { - var elem = src[srcPos++]; - mask = 128; - } - dest[destPos] = elem & mask ? 0 : 255; - destPos += 4; - mask >>= 1; - } - } - ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT); + styleBuf[1] = left; + styleBuf[3] = top; + styleBuf[5] = fontHeight; + styleBuf[7] = style.fontFamily; + textDivProperties.style = styleBuf.join(''); + textDiv.setAttribute('style', textDivProperties.style); + textDiv.textContent = geom.str; + if (task._fontInspectorEnabled) { + textDiv.dataset.fontName = geom.fontName; + } + if (angle !== 0) { + textDivProperties.angle = angle * (180 / Math.PI); } - } - function copyCtxState(sourceCtx, destCtx) { - var properties = ['strokeStyle', 'fillStyle', 'fillRule', 'globalAlpha', 'lineWidth', 'lineCap', 'lineJoin', 'miterLimit', 'globalCompositeOperation', 'font']; - for (var i = 0, ii = properties.length; i < ii; i++) { - var property = properties[i]; - if (sourceCtx[property] !== undefined) { - destCtx[property] = sourceCtx[property]; + if (geom.str.length > 1) { + if (style.vertical) { + textDivProperties.canvasWidth = geom.height * task._viewport.scale; + } else { + textDivProperties.canvasWidth = geom.width * task._viewport.scale; } } - if (sourceCtx.setLineDash !== undefined) { - destCtx.setLineDash(sourceCtx.getLineDash()); - destCtx.lineDashOffset = sourceCtx.lineDashOffset; - } - } - function resetCtxToDefault(ctx) { - ctx.strokeStyle = '#000000'; - ctx.fillStyle = '#000000'; - ctx.fillRule = 'nonzero'; - ctx.globalAlpha = 1; - ctx.lineWidth = 1; - ctx.lineCap = 'butt'; - ctx.lineJoin = 'miter'; - ctx.miterLimit = 10; - ctx.globalCompositeOperation = 'source-over'; - ctx.font = '10px sans-serif'; - if (ctx.setLineDash !== undefined) { - ctx.setLineDash([]); - ctx.lineDashOffset = 0; + task._textDivProperties.set(textDiv, textDivProperties); + if (task._textContentStream) { + task._layoutText(textDiv); } - } - function composeSMaskBackdrop(bytes, r0, g0, b0) { - var length = bytes.length; - for (var i = 3; i < length; i += 4) { - var alpha = bytes[i]; - if (alpha === 0) { - bytes[i - 3] = r0; - bytes[i - 2] = g0; - bytes[i - 1] = b0; - } else if (alpha < 255) { - var alpha_ = 255 - alpha; - bytes[i - 3] = bytes[i - 3] * alpha + r0 * alpha_ >> 8; - bytes[i - 2] = bytes[i - 2] * alpha + g0 * alpha_ >> 8; - bytes[i - 1] = bytes[i - 1] * alpha + b0 * alpha_ >> 8; + if (task._enhanceTextSelection) { + var angleCos = 1, + angleSin = 0; + if (angle !== 0) { + angleCos = Math.cos(angle); + angleSin = Math.sin(angle); } + var divWidth = (style.vertical ? geom.height : geom.width) * task._viewport.scale; + var divHeight = fontHeight; + var m, b; + if (angle !== 0) { + m = [angleCos, angleSin, -angleSin, angleCos, left, top]; + b = _util.Util.getAxialAlignedBoundingBox([0, 0, divWidth, divHeight], m); + } else { + b = [left, top, left + divWidth, top + divHeight]; + } + task._bounds.push({ + left: b[0], + top: b[1], + right: b[2], + bottom: b[3], + div: textDiv, + size: [divWidth, divHeight], + m: m + }); } } - function composeSMaskAlpha(maskData, layerData, transferMap) { - var length = maskData.length; - var scale = 1 / 255; - for (var i = 3; i < length; i += 4) { - var alpha = transferMap ? transferMap[maskData[i]] : maskData[i]; - layerData[i] = layerData[i] * alpha * scale | 0; - } - } - function composeSMaskLuminosity(maskData, layerData, transferMap) { - var length = maskData.length; - for (var i = 3; i < length; i += 4) { - var y = maskData[i - 3] * 77 + maskData[i - 2] * 152 + maskData[i - 1] * 28; - layerData[i] = transferMap ? layerData[i] * transferMap[y >> 8] >> 8 : layerData[i] * y >> 16; + function render(task) { + if (task._canceled) { + return; } - } - function genericComposeSMask(maskCtx, layerCtx, width, height, subtype, backdrop, transferMap) { - var hasBackdrop = !!backdrop; - var r0 = hasBackdrop ? backdrop[0] : 0; - var g0 = hasBackdrop ? backdrop[1] : 0; - var b0 = hasBackdrop ? backdrop[2] : 0; - var composeFn; - if (subtype === 'Luminosity') { - composeFn = composeSMaskLuminosity; - } else { - composeFn = composeSMaskAlpha; + var textDivs = task._textDivs; + var capability = task._capability; + var textDivsLength = textDivs.length; + if (textDivsLength > MAX_TEXT_DIVS_TO_RENDER) { + task._renderingDone = true; + capability.resolve(); + return; } - var PIXELS_TO_PROCESS = 1048576; - var chunkSize = Math.min(height, Math.ceil(PIXELS_TO_PROCESS / width)); - for (var row = 0; row < height; row += chunkSize) { - var chunkHeight = Math.min(chunkSize, height - row); - var maskData = maskCtx.getImageData(0, row, width, chunkHeight); - var layerData = layerCtx.getImageData(0, row, width, chunkHeight); - if (hasBackdrop) { - composeSMaskBackdrop(maskData.data, r0, g0, b0); + if (!task._textContentStream) { + for (var i = 0; i < textDivsLength; i++) { + task._layoutText(textDivs[i]); } - composeFn(maskData.data, layerData.data, transferMap); - maskCtx.putImageData(layerData, 0, row); - } - } - function composeSMask(ctx, smask, layerCtx) { - var mask = smask.canvas; - var maskCtx = smask.context; - ctx.setTransform(smask.scaleX, 0, 0, smask.scaleY, smask.offsetX, smask.offsetY); - var backdrop = smask.backdrop || null; - if (!smask.transferMap && _webgl.WebGLUtils.isEnabled) { - var composed = _webgl.WebGLUtils.composeSMask(layerCtx.canvas, mask, { - subtype: smask.subtype, - backdrop: backdrop - }); - ctx.setTransform(1, 0, 0, 1, 0, 0); - ctx.drawImage(composed, smask.offsetX, smask.offsetY); - return; } - genericComposeSMask(maskCtx, layerCtx, mask.width, mask.height, smask.subtype, backdrop, smask.transferMap); - ctx.drawImage(mask, 0, 0); + task._renderingDone = true; + capability.resolve(); } - var LINE_CAP_STYLES = ['butt', 'round', 'square']; - var LINE_JOIN_STYLES = ['miter', 'round', 'bevel']; - var NORMAL_CLIP = {}; - var EO_CLIP = {}; - CanvasGraphics.prototype = { - beginDrawing: function beginDrawing(_ref) { - var transform = _ref.transform, - viewport = _ref.viewport, - transparency = _ref.transparency, - _ref$background = _ref.background, - background = _ref$background === undefined ? null : _ref$background; - - var width = this.ctx.canvas.width; - var height = this.ctx.canvas.height; - this.ctx.save(); - this.ctx.fillStyle = background || 'rgb(255, 255, 255)'; - this.ctx.fillRect(0, 0, width, height); - this.ctx.restore(); - if (transparency) { - var transparentCanvas = this.cachedCanvases.getCanvas('transparent', width, height, true); - this.compositeCtx = this.ctx; - this.transparentCanvas = transparentCanvas.canvas; - this.ctx = transparentCanvas.context; - this.ctx.save(); - this.ctx.transform.apply(this.ctx, this.compositeCtx.mozCurrentTransform); - } - this.ctx.save(); - resetCtxToDefault(this.ctx); - if (transform) { - this.ctx.transform.apply(this.ctx, transform); - } - this.ctx.transform.apply(this.ctx, viewport.transform); - this.baseTransform = this.ctx.mozCurrentTransform.slice(); - if (this.imageLayer) { - this.imageLayer.beginLayout(); - } - }, - - executeOperatorList: function CanvasGraphics_executeOperatorList(operatorList, executionStartIdx, continueCallback, stepper) { - var argsArray = operatorList.argsArray; - var fnArray = operatorList.fnArray; - var i = executionStartIdx || 0; - var argsArrayLen = argsArray.length; - if (argsArrayLen === i) { - return i; - } - var chunkOperations = argsArrayLen - i > EXECUTION_STEPS && typeof continueCallback === 'function'; - var endTime = chunkOperations ? Date.now() + EXECUTION_TIME : 0; - var steps = 0; - var commonObjs = this.commonObjs; - var objs = this.objs; - var fnId; - while (true) { - if (stepper !== undefined && i === stepper.nextBreakPoint) { - stepper.breakIt(i, continueCallback); - return i; - } - fnId = fnArray[i]; - if (fnId !== _util.OPS.dependency) { - this[fnId].apply(this, argsArray[i]); - } else { - var deps = argsArray[i]; - for (var n = 0, nn = deps.length; n < nn; n++) { - var depObjId = deps[n]; - var common = depObjId[0] === 'g' && depObjId[1] === '_'; - var objsPool = common ? commonObjs : objs; - if (!objsPool.isResolved(depObjId)) { - objsPool.get(depObjId, continueCallback); - return i; - } - } - } - i++; - if (i === argsArrayLen) { - return i; - } - if (chunkOperations && ++steps > EXECUTION_STEPS) { - if (Date.now() > endTime) { - continueCallback(); - return i; - } - steps = 0; - } - } - }, - endDrawing: function CanvasGraphics_endDrawing() { - if (this.current.activeSMask !== null) { - this.endSMaskGroup(); - } - this.ctx.restore(); - if (this.transparentCanvas) { - this.ctx = this.compositeCtx; - this.ctx.save(); - this.ctx.setTransform(1, 0, 0, 1, 0, 0); - this.ctx.drawImage(this.transparentCanvas, 0, 0); - this.ctx.restore(); - this.transparentCanvas = null; - } - this.cachedCanvases.clear(); - _webgl.WebGLUtils.clear(); - if (this.imageLayer) { - this.imageLayer.endLayout(); - } - }, - setLineWidth: function CanvasGraphics_setLineWidth(width) { - this.current.lineWidth = width; - this.ctx.lineWidth = width; - }, - setLineCap: function CanvasGraphics_setLineCap(style) { - this.ctx.lineCap = LINE_CAP_STYLES[style]; - }, - setLineJoin: function CanvasGraphics_setLineJoin(style) { - this.ctx.lineJoin = LINE_JOIN_STYLES[style]; - }, - setMiterLimit: function CanvasGraphics_setMiterLimit(limit) { - this.ctx.miterLimit = limit; - }, - setDash: function CanvasGraphics_setDash(dashArray, dashPhase) { - var ctx = this.ctx; - if (ctx.setLineDash !== undefined) { - ctx.setLineDash(dashArray); - ctx.lineDashOffset = dashPhase; + function expand(task) { + var bounds = task._bounds; + var viewport = task._viewport; + var expanded = expandBounds(viewport.width, viewport.height, bounds); + for (var i = 0; i < expanded.length; i++) { + var div = bounds[i].div; + var divProperties = task._textDivProperties.get(div); + if (divProperties.angle === 0) { + divProperties.paddingLeft = bounds[i].left - expanded[i].left; + divProperties.paddingTop = bounds[i].top - expanded[i].top; + divProperties.paddingRight = expanded[i].right - bounds[i].right; + divProperties.paddingBottom = expanded[i].bottom - bounds[i].bottom; + task._textDivProperties.set(div, divProperties); + continue; } - }, - setRenderingIntent: function CanvasGraphics_setRenderingIntent(intent) {}, - setFlatness: function CanvasGraphics_setFlatness(flatness) {}, - setGState: function CanvasGraphics_setGState(states) { - for (var i = 0, ii = states.length; i < ii; i++) { - var state = states[i]; - var key = state[0]; - var value = state[1]; - switch (key) { - case 'LW': - this.setLineWidth(value); - break; - case 'LC': - this.setLineCap(value); - break; - case 'LJ': - this.setLineJoin(value); - break; - case 'ML': - this.setMiterLimit(value); - break; - case 'D': - this.setDash(value[0], value[1]); - break; - case 'RI': - this.setRenderingIntent(value); - break; - case 'FL': - this.setFlatness(value); - break; - case 'Font': - this.setFont(value[0], value[1]); - break; - case 'CA': - this.current.strokeAlpha = state[1]; - break; - case 'ca': - this.current.fillAlpha = state[1]; - this.ctx.globalAlpha = state[1]; - break; - case 'BM': - this.ctx.globalCompositeOperation = value; - break; - case 'SMask': - if (this.current.activeSMask) { - if (this.stateStack.length > 0 && this.stateStack[this.stateStack.length - 1].activeSMask === this.current.activeSMask) { - this.suspendSMaskGroup(); - } else { - this.endSMaskGroup(); - } - } - this.current.activeSMask = value ? this.tempSMask : null; - if (this.current.activeSMask) { - this.beginSMaskGroup(); - } - this.tempSMask = null; - break; + var e = expanded[i], + b = bounds[i]; + var m = b.m, + c = m[0], + s = m[1]; + var points = [[0, 0], [0, b.size[1]], [b.size[0], 0], b.size]; + var ts = new Float64Array(64); + points.forEach(function (p, i) { + var t = _util.Util.applyTransform(p, m); + ts[i + 0] = c && (e.left - t[0]) / c; + ts[i + 4] = s && (e.top - t[1]) / s; + ts[i + 8] = c && (e.right - t[0]) / c; + ts[i + 12] = s && (e.bottom - t[1]) / s; + ts[i + 16] = s && (e.left - t[0]) / -s; + ts[i + 20] = c && (e.top - t[1]) / c; + ts[i + 24] = s && (e.right - t[0]) / -s; + ts[i + 28] = c && (e.bottom - t[1]) / c; + ts[i + 32] = c && (e.left - t[0]) / -c; + ts[i + 36] = s && (e.top - t[1]) / -s; + ts[i + 40] = c && (e.right - t[0]) / -c; + ts[i + 44] = s && (e.bottom - t[1]) / -s; + ts[i + 48] = s && (e.left - t[0]) / s; + ts[i + 52] = c && (e.top - t[1]) / -c; + ts[i + 56] = s && (e.right - t[0]) / s; + ts[i + 60] = c && (e.bottom - t[1]) / -c; + }); + var findPositiveMin = function findPositiveMin(ts, offset, count) { + var result = 0; + for (var i = 0; i < count; i++) { + var t = ts[offset++]; + if (t > 0) { + result = result ? Math.min(t, result) : t; + } } + return result; + }; + var boxScale = 1 + Math.min(Math.abs(c), Math.abs(s)); + divProperties.paddingLeft = findPositiveMin(ts, 32, 16) / boxScale; + divProperties.paddingTop = findPositiveMin(ts, 48, 16) / boxScale; + divProperties.paddingRight = findPositiveMin(ts, 0, 16) / boxScale; + divProperties.paddingBottom = findPositiveMin(ts, 16, 16) / boxScale; + task._textDivProperties.set(div, divProperties); + } + } + function expandBounds(width, height, boxes) { + var bounds = boxes.map(function (box, i) { + return { + x1: box.left, + y1: box.top, + x2: box.right, + y2: box.bottom, + index: i, + x1New: undefined, + x2New: undefined + }; + }); + expandBoundsLTR(width, bounds); + var expanded = new Array(boxes.length); + bounds.forEach(function (b) { + var i = b.index; + expanded[i] = { + left: b.x1New, + top: 0, + right: b.x2New, + bottom: 0 + }; + }); + boxes.map(function (box, i) { + var e = expanded[i], + b = bounds[i]; + b.x1 = box.top; + b.y1 = width - e.right; + b.x2 = box.bottom; + b.y2 = width - e.left; + b.index = i; + b.x1New = undefined; + b.x2New = undefined; + }); + expandBoundsLTR(height, bounds); + bounds.forEach(function (b) { + var i = b.index; + expanded[i].top = b.x1New; + expanded[i].bottom = b.x2New; + }); + return expanded; + } + function expandBoundsLTR(width, bounds) { + bounds.sort(function (a, b) { + return a.x1 - b.x1 || a.index - b.index; + }); + var fakeBoundary = { + x1: -Infinity, + y1: -Infinity, + x2: 0, + y2: Infinity, + index: -1, + x1New: 0, + x2New: 0 + }; + var horizon = [{ + start: -Infinity, + end: Infinity, + boundary: fakeBoundary + }]; + bounds.forEach(function (boundary) { + var i = 0; + while (i < horizon.length && horizon[i].end <= boundary.y1) { + i++; } - }, - beginSMaskGroup: function CanvasGraphics_beginSMaskGroup() { - var activeSMask = this.current.activeSMask; - var drawnWidth = activeSMask.canvas.width; - var drawnHeight = activeSMask.canvas.height; - var cacheId = 'smaskGroupAt' + this.groupLevel; - var scratchCanvas = this.cachedCanvases.getCanvas(cacheId, drawnWidth, drawnHeight, true); - var currentCtx = this.ctx; - var currentTransform = currentCtx.mozCurrentTransform; - this.ctx.save(); - var groupCtx = scratchCanvas.context; - groupCtx.scale(1 / activeSMask.scaleX, 1 / activeSMask.scaleY); - groupCtx.translate(-activeSMask.offsetX, -activeSMask.offsetY); - groupCtx.transform.apply(groupCtx, currentTransform); - activeSMask.startTransformInverse = groupCtx.mozCurrentTransformInverse; - copyCtxState(currentCtx, groupCtx); - this.ctx = groupCtx; - this.setGState([['BM', 'source-over'], ['ca', 1], ['CA', 1]]); - this.groupStack.push(currentCtx); - this.groupLevel++; - }, - suspendSMaskGroup: function CanvasGraphics_endSMaskGroup() { - var groupCtx = this.ctx; - this.groupLevel--; - this.ctx = this.groupStack.pop(); - composeSMask(this.ctx, this.current.activeSMask, groupCtx); - this.ctx.restore(); - this.ctx.save(); - copyCtxState(groupCtx, this.ctx); - this.current.resumeSMaskCtx = groupCtx; - var deltaTransform = _util.Util.transform(this.current.activeSMask.startTransformInverse, groupCtx.mozCurrentTransform); - this.ctx.transform.apply(this.ctx, deltaTransform); - groupCtx.save(); - groupCtx.setTransform(1, 0, 0, 1, 0, 0); - groupCtx.clearRect(0, 0, groupCtx.canvas.width, groupCtx.canvas.height); - groupCtx.restore(); - }, - resumeSMaskGroup: function CanvasGraphics_endSMaskGroup() { - var groupCtx = this.current.resumeSMaskCtx; - var currentCtx = this.ctx; - this.ctx = groupCtx; - this.groupStack.push(currentCtx); - this.groupLevel++; - }, - endSMaskGroup: function CanvasGraphics_endSMaskGroup() { - var groupCtx = this.ctx; - this.groupLevel--; - this.ctx = this.groupStack.pop(); - composeSMask(this.ctx, this.current.activeSMask, groupCtx); - this.ctx.restore(); - copyCtxState(groupCtx, this.ctx); - var deltaTransform = _util.Util.transform(this.current.activeSMask.startTransformInverse, groupCtx.mozCurrentTransform); - this.ctx.transform.apply(this.ctx, deltaTransform); - }, - save: function CanvasGraphics_save() { - this.ctx.save(); - var old = this.current; - this.stateStack.push(old); - this.current = old.clone(); - this.current.resumeSMaskCtx = null; - }, - restore: function CanvasGraphics_restore() { - if (this.current.resumeSMaskCtx) { - this.resumeSMaskGroup(); - } - if (this.current.activeSMask !== null && (this.stateStack.length === 0 || this.stateStack[this.stateStack.length - 1].activeSMask !== this.current.activeSMask)) { - this.endSMaskGroup(); + var j = horizon.length - 1; + while (j >= 0 && horizon[j].start >= boundary.y2) { + j--; } - if (this.stateStack.length !== 0) { - this.current = this.stateStack.pop(); - this.ctx.restore(); - this.pendingClip = null; - this.cachedGetSinglePixelWidth = null; + var horizonPart, affectedBoundary; + var q, + k, + maxXNew = -Infinity; + for (q = i; q <= j; q++) { + horizonPart = horizon[q]; + affectedBoundary = horizonPart.boundary; + var xNew; + if (affectedBoundary.x2 > boundary.x1) { + xNew = affectedBoundary.index > boundary.index ? affectedBoundary.x1New : boundary.x1; + } else if (affectedBoundary.x2New === undefined) { + xNew = (affectedBoundary.x2 + boundary.x1) / 2; + } else { + xNew = affectedBoundary.x2New; + } + if (xNew > maxXNew) { + maxXNew = xNew; + } } - }, - transform: function CanvasGraphics_transform(a, b, c, d, e, f) { - this.ctx.transform(a, b, c, d, e, f); - this.cachedGetSinglePixelWidth = null; - }, - constructPath: function CanvasGraphics_constructPath(ops, args) { - var ctx = this.ctx; - var current = this.current; - var x = current.x, - y = current.y; - for (var i = 0, j = 0, ii = ops.length; i < ii; i++) { - switch (ops[i] | 0) { - case _util.OPS.rectangle: - x = args[j++]; - y = args[j++]; - var width = args[j++]; - var height = args[j++]; - if (width === 0) { - width = this.getSinglePixelWidth(); - } - if (height === 0) { - height = this.getSinglePixelWidth(); + boundary.x1New = maxXNew; + for (q = i; q <= j; q++) { + horizonPart = horizon[q]; + affectedBoundary = horizonPart.boundary; + if (affectedBoundary.x2New === undefined) { + if (affectedBoundary.x2 > boundary.x1) { + if (affectedBoundary.index > boundary.index) { + affectedBoundary.x2New = affectedBoundary.x2; } - var xw = x + width; - var yh = y + height; - this.ctx.moveTo(x, y); - this.ctx.lineTo(xw, y); - this.ctx.lineTo(xw, yh); - this.ctx.lineTo(x, yh); - this.ctx.lineTo(x, y); - this.ctx.closePath(); - break; - case _util.OPS.moveTo: - x = args[j++]; - y = args[j++]; - ctx.moveTo(x, y); - break; - case _util.OPS.lineTo: - x = args[j++]; - y = args[j++]; - ctx.lineTo(x, y); - break; - case _util.OPS.curveTo: - x = args[j + 4]; - y = args[j + 5]; - ctx.bezierCurveTo(args[j], args[j + 1], args[j + 2], args[j + 3], x, y); - j += 6; - break; - case _util.OPS.curveTo2: - ctx.bezierCurveTo(x, y, args[j], args[j + 1], args[j + 2], args[j + 3]); - x = args[j + 2]; - y = args[j + 3]; - j += 4; - break; - case _util.OPS.curveTo3: - x = args[j + 2]; - y = args[j + 3]; - ctx.bezierCurveTo(args[j], args[j + 1], x, y, x, y); - j += 4; - break; - case _util.OPS.closePath: - ctx.closePath(); - break; + } else { + affectedBoundary.x2New = maxXNew; + } + } else if (affectedBoundary.x2New > maxXNew) { + affectedBoundary.x2New = Math.max(maxXNew, affectedBoundary.x2); } } - current.setCurrentPoint(x, y); - }, - closePath: function CanvasGraphics_closePath() { - this.ctx.closePath(); - }, - stroke: function CanvasGraphics_stroke(consumePath) { - consumePath = typeof consumePath !== 'undefined' ? consumePath : true; - var ctx = this.ctx; - var strokeColor = this.current.strokeColor; - ctx.lineWidth = Math.max(this.getSinglePixelWidth() * MIN_WIDTH_FACTOR, this.current.lineWidth); - ctx.globalAlpha = this.current.strokeAlpha; - if (strokeColor && strokeColor.hasOwnProperty('type') && strokeColor.type === 'Pattern') { - ctx.save(); - ctx.strokeStyle = strokeColor.getPattern(ctx, this); - ctx.stroke(); - ctx.restore(); - } else { - ctx.stroke(); - } - if (consumePath) { - this.consumePath(); - } - ctx.globalAlpha = this.current.fillAlpha; - }, - closeStroke: function CanvasGraphics_closeStroke() { - this.closePath(); - this.stroke(); - }, - fill: function CanvasGraphics_fill(consumePath) { - consumePath = typeof consumePath !== 'undefined' ? consumePath : true; - var ctx = this.ctx; - var fillColor = this.current.fillColor; - var isPatternFill = this.current.patternFill; - var needRestore = false; - if (isPatternFill) { - ctx.save(); - if (this.baseTransform) { - ctx.setTransform.apply(ctx, this.baseTransform); + var changedHorizon = [], + lastBoundary = null; + for (q = i; q <= j; q++) { + horizonPart = horizon[q]; + affectedBoundary = horizonPart.boundary; + var useBoundary = affectedBoundary.x2 > boundary.x2 ? affectedBoundary : boundary; + if (lastBoundary === useBoundary) { + changedHorizon[changedHorizon.length - 1].end = horizonPart.end; + } else { + changedHorizon.push({ + start: horizonPart.start, + end: horizonPart.end, + boundary: useBoundary + }); + lastBoundary = useBoundary; } - ctx.fillStyle = fillColor.getPattern(ctx, this); - needRestore = true; } - if (this.pendingEOFill) { - ctx.fill('evenodd'); - this.pendingEOFill = false; - } else { - ctx.fill(); + if (horizon[i].start < boundary.y1) { + changedHorizon[0].start = boundary.y1; + changedHorizon.unshift({ + start: horizon[i].start, + end: boundary.y1, + boundary: horizon[i].boundary + }); } - if (needRestore) { - ctx.restore(); + if (boundary.y2 < horizon[j].end) { + changedHorizon[changedHorizon.length - 1].end = boundary.y2; + changedHorizon.push({ + start: boundary.y2, + end: horizon[j].end, + boundary: horizon[j].boundary + }); } - if (consumePath) { - this.consumePath(); + for (q = i; q <= j; q++) { + horizonPart = horizon[q]; + affectedBoundary = horizonPart.boundary; + if (affectedBoundary.x2New !== undefined) { + continue; + } + var used = false; + for (k = i - 1; !used && k >= 0 && horizon[k].start >= affectedBoundary.y1; k--) { + used = horizon[k].boundary === affectedBoundary; + } + for (k = j + 1; !used && k < horizon.length && horizon[k].end <= affectedBoundary.y2; k++) { + used = horizon[k].boundary === affectedBoundary; + } + for (k = 0; !used && k < changedHorizon.length; k++) { + used = changedHorizon[k].boundary === affectedBoundary; + } + if (!used) { + affectedBoundary.x2New = maxXNew; + } } + Array.prototype.splice.apply(horizon, [i, j - i + 1].concat(changedHorizon)); + }); + horizon.forEach(function (horizonPart) { + var affectedBoundary = horizonPart.boundary; + if (affectedBoundary.x2New === undefined) { + affectedBoundary.x2New = Math.max(width, affectedBoundary.x2); + } + }); + } + function TextLayerRenderTask(_ref) { + var textContent = _ref.textContent, + textContentStream = _ref.textContentStream, + container = _ref.container, + viewport = _ref.viewport, + textDivs = _ref.textDivs, + textContentItemsStr = _ref.textContentItemsStr, + enhanceTextSelection = _ref.enhanceTextSelection; + + this._textContent = textContent; + this._textContentStream = textContentStream; + this._container = container; + this._viewport = viewport; + this._textDivs = textDivs || []; + this._textContentItemsStr = textContentItemsStr || []; + this._enhanceTextSelection = !!enhanceTextSelection; + this._fontInspectorEnabled = !!(_global_scope2.default.FontInspector && _global_scope2.default.FontInspector.enabled); + this._reader = null; + this._layoutTextLastFontSize = null; + this._layoutTextLastFontFamily = null; + this._layoutTextCtx = null; + this._textDivProperties = new WeakMap(); + this._renderingDone = false; + this._canceled = false; + this._capability = (0, _util.createPromiseCapability)(); + this._renderTimer = null; + this._bounds = []; + } + TextLayerRenderTask.prototype = { + get promise() { + return this._capability.promise; }, - eoFill: function CanvasGraphics_eoFill() { - this.pendingEOFill = true; - this.fill(); - }, - fillStroke: function CanvasGraphics_fillStroke() { - this.fill(false); - this.stroke(false); - this.consumePath(); - }, - eoFillStroke: function CanvasGraphics_eoFillStroke() { - this.pendingEOFill = true; - this.fillStroke(); - }, - closeFillStroke: function CanvasGraphics_closeFillStroke() { - this.closePath(); - this.fillStroke(); - }, - closeEOFillStroke: function CanvasGraphics_closeEOFillStroke() { - this.pendingEOFill = true; - this.closePath(); - this.fillStroke(); - }, - endPath: function CanvasGraphics_endPath() { - this.consumePath(); - }, - clip: function CanvasGraphics_clip() { - this.pendingClip = NORMAL_CLIP; - }, - eoClip: function CanvasGraphics_eoClip() { - this.pendingClip = EO_CLIP; - }, - beginText: function CanvasGraphics_beginText() { - this.current.textMatrix = _util.IDENTITY_MATRIX; - this.current.textMatrixScale = 1; - this.current.x = this.current.lineX = 0; - this.current.y = this.current.lineY = 0; - }, - endText: function CanvasGraphics_endText() { - var paths = this.pendingTextPaths; - var ctx = this.ctx; - if (paths === undefined) { - ctx.beginPath(); - return; + cancel: function TextLayer_cancel() { + if (this._reader) { + this._reader.cancel(new _util.AbortException('text layer task cancelled')); + this._reader = null; } - ctx.save(); - ctx.beginPath(); - for (var i = 0; i < paths.length; i++) { - var path = paths[i]; - ctx.setTransform.apply(ctx, path.transform); - ctx.translate(path.x, path.y); - path.addToPath(ctx, path.fontSize); + this._canceled = true; + if (this._renderTimer !== null) { + clearTimeout(this._renderTimer); + this._renderTimer = null; } - ctx.restore(); - ctx.clip(); - ctx.beginPath(); - delete this.pendingTextPaths; - }, - setCharSpacing: function CanvasGraphics_setCharSpacing(spacing) { - this.current.charSpacing = spacing; - }, - setWordSpacing: function CanvasGraphics_setWordSpacing(spacing) { - this.current.wordSpacing = spacing; - }, - setHScale: function CanvasGraphics_setHScale(scale) { - this.current.textHScale = scale / 100; + this._capability.reject('canceled'); }, - setLeading: function CanvasGraphics_setLeading(leading) { - this.current.leading = -leading; + _processItems: function _processItems(items, styleCache) { + for (var i = 0, len = items.length; i < len; i++) { + this._textContentItemsStr.push(items[i].str); + appendText(this, items[i], styleCache); + } }, - setFont: function CanvasGraphics_setFont(fontRefName, size) { - var fontObj = this.commonObjs.get(fontRefName); - var current = this.current; - if (!fontObj) { - throw new Error('Can\'t find font for ' + fontRefName); + _layoutText: function _layoutText(textDiv) { + var textLayerFrag = this._container; + var textDivProperties = this._textDivProperties.get(textDiv); + if (textDivProperties.isWhitespace) { + return; } - current.fontMatrix = fontObj.fontMatrix ? fontObj.fontMatrix : _util.FONT_IDENTITY_MATRIX; - if (current.fontMatrix[0] === 0 || current.fontMatrix[3] === 0) { - (0, _util.warn)('Invalid font matrix for font ' + fontRefName); + var fontSize = textDiv.style.fontSize; + var fontFamily = textDiv.style.fontFamily; + if (fontSize !== this._layoutTextLastFontSize || fontFamily !== this._layoutTextLastFontFamily) { + this._layoutTextCtx.font = fontSize + ' ' + fontFamily; + this._layoutTextLastFontSize = fontSize; + this._layoutTextLastFontFamily = fontFamily; } - if (size < 0) { - size = -size; - current.fontDirection = -1; - } else { - current.fontDirection = 1; + var width = this._layoutTextCtx.measureText(textDiv.textContent).width; + var transform = ''; + if (textDivProperties.canvasWidth !== 0 && width > 0) { + textDivProperties.scale = textDivProperties.canvasWidth / width; + transform = 'scaleX(' + textDivProperties.scale + ')'; } - this.current.font = fontObj; - this.current.fontSize = size; - if (fontObj.isType3Font) { - return; + if (textDivProperties.angle !== 0) { + transform = 'rotate(' + textDivProperties.angle + 'deg) ' + transform; } - var name = fontObj.loadedName || 'sans-serif'; - var bold = fontObj.black ? '900' : fontObj.bold ? 'bold' : 'normal'; - var italic = fontObj.italic ? 'italic' : 'normal'; - var typeface = '"' + name + '", ' + fontObj.fallbackName; - var browserFontSize = size < MIN_FONT_SIZE ? MIN_FONT_SIZE : size > MAX_FONT_SIZE ? MAX_FONT_SIZE : size; - this.current.fontSizeScale = size / browserFontSize; - var rule = italic + ' ' + bold + ' ' + browserFontSize + 'px ' + typeface; - this.ctx.font = rule; - }, - setTextRenderingMode: function CanvasGraphics_setTextRenderingMode(mode) { - this.current.textRenderingMode = mode; - }, - setTextRise: function CanvasGraphics_setTextRise(rise) { - this.current.textRise = rise; - }, - moveText: function CanvasGraphics_moveText(x, y) { - this.current.x = this.current.lineX += x; - this.current.y = this.current.lineY += y; - }, - setLeadingMoveText: function CanvasGraphics_setLeadingMoveText(x, y) { - this.setLeading(-y); - this.moveText(x, y); - }, - setTextMatrix: function CanvasGraphics_setTextMatrix(a, b, c, d, e, f) { - this.current.textMatrix = [a, b, c, d, e, f]; - this.current.textMatrixScale = Math.sqrt(a * a + b * b); - this.current.x = this.current.lineX = 0; - this.current.y = this.current.lineY = 0; + if (transform !== '') { + textDivProperties.originalTransform = transform; + textDiv.style.transform = transform; + } + this._textDivProperties.set(textDiv, textDivProperties); + textLayerFrag.appendChild(textDiv); }, - nextLine: function CanvasGraphics_nextLine() { - this.moveText(0, this.current.leading); + + _render: function TextLayer_render(timeout) { + var _this = this; + + var capability = (0, _util.createPromiseCapability)(); + var styleCache = Object.create(null); + var canvas = document.createElement('canvas'); + canvas.mozOpaque = true; + this._layoutTextCtx = canvas.getContext('2d', { alpha: false }); + if (this._textContent) { + var textItems = this._textContent.items; + var textStyles = this._textContent.styles; + this._processItems(textItems, textStyles); + capability.resolve(); + } else if (this._textContentStream) { + var pump = function pump() { + _this._reader.read().then(function (_ref2) { + var value = _ref2.value, + done = _ref2.done; + + if (done) { + capability.resolve(); + return; + } + Object.assign(styleCache, value.styles); + _this._processItems(value.items, styleCache); + pump(); + }, capability.reject); + }; + this._reader = this._textContentStream.getReader(); + pump(); + } else { + throw new Error('Neither "textContent" nor "textContentStream"' + ' parameters specified.'); + } + capability.promise.then(function () { + styleCache = null; + if (!timeout) { + render(_this); + } else { + _this._renderTimer = setTimeout(function () { + render(_this); + _this._renderTimer = null; + }, timeout); + } + }, this._capability.reject); }, - paintChar: function CanvasGraphics_paintChar(character, x, y) { - var ctx = this.ctx; - var current = this.current; - var font = current.font; - var textRenderingMode = current.textRenderingMode; - var fontSize = current.fontSize / current.fontSizeScale; - var fillStrokeMode = textRenderingMode & _util.TextRenderingMode.FILL_STROKE_MASK; - var isAddToPathSet = !!(textRenderingMode & _util.TextRenderingMode.ADD_TO_PATH_FLAG); - var addToPath; - if (font.disableFontFace || isAddToPathSet) { - addToPath = font.getPathGenerator(this.commonObjs, character); + expandTextDivs: function TextLayer_expandTextDivs(expandDivs) { + if (!this._enhanceTextSelection || !this._renderingDone) { + return; } - if (font.disableFontFace) { - ctx.save(); - ctx.translate(x, y); - ctx.beginPath(); - addToPath(ctx, fontSize); - if (fillStrokeMode === _util.TextRenderingMode.FILL || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) { - ctx.fill(); + if (this._bounds !== null) { + expand(this); + this._bounds = null; + } + for (var i = 0, ii = this._textDivs.length; i < ii; i++) { + var div = this._textDivs[i]; + var divProperties = this._textDivProperties.get(div); + if (divProperties.isWhitespace) { + continue; + } + if (expandDivs) { + var transform = '', + padding = ''; + if (divProperties.scale !== 1) { + transform = 'scaleX(' + divProperties.scale + ')'; + } + if (divProperties.angle !== 0) { + transform = 'rotate(' + divProperties.angle + 'deg) ' + transform; + } + if (divProperties.paddingLeft !== 0) { + padding += ' padding-left: ' + divProperties.paddingLeft / divProperties.scale + 'px;'; + transform += ' translateX(' + -divProperties.paddingLeft / divProperties.scale + 'px)'; + } + if (divProperties.paddingTop !== 0) { + padding += ' padding-top: ' + divProperties.paddingTop + 'px;'; + transform += ' translateY(' + -divProperties.paddingTop + 'px)'; + } + if (divProperties.paddingRight !== 0) { + padding += ' padding-right: ' + divProperties.paddingRight / divProperties.scale + 'px;'; + } + if (divProperties.paddingBottom !== 0) { + padding += ' padding-bottom: ' + divProperties.paddingBottom + 'px;'; + } + if (padding !== '') { + div.setAttribute('style', divProperties.style + padding); + } + if (transform !== '') { + div.style.transform = transform; + } + } else { + div.style.padding = 0; + div.style.transform = divProperties.originalTransform || ''; + } + } + } + }; + function renderTextLayer(renderParameters) { + var task = new TextLayerRenderTask({ + textContent: renderParameters.textContent, + textContentStream: renderParameters.textContentStream, + container: renderParameters.container, + viewport: renderParameters.viewport, + textDivs: renderParameters.textDivs, + textContentItemsStr: renderParameters.textContentItemsStr, + enhanceTextSelection: renderParameters.enhanceTextSelection + }); + task._render(renderParameters.timeout); + return task; + } + return renderTextLayer; +}(); +exports.renderTextLayer = renderTextLayer; + +/***/ }), +/* 146 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +Object.defineProperty(exports, "__esModule", { + value: true +}); +exports.AnnotationLayer = undefined; + +var _get = function get(object, property, receiver) { if (object === null) object = Function.prototype; var desc = Object.getOwnPropertyDescriptor(object, property); if (desc === undefined) { var parent = Object.getPrototypeOf(object); if (parent === null) { return undefined; } else { return get(parent, property, receiver); } } else if ("value" in desc) { return desc.value; } else { var getter = desc.get; if (getter === undefined) { return undefined; } return getter.call(receiver); } }; + +var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }(); + +var _dom_utils = __w_pdfjs_require__(130); + +var _util = __w_pdfjs_require__(1); + +function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; } + +function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; } + +function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } + +var AnnotationElementFactory = function () { + function AnnotationElementFactory() { + _classCallCheck(this, AnnotationElementFactory); + } + + _createClass(AnnotationElementFactory, null, [{ + key: 'create', + value: function create(parameters) { + var subtype = parameters.data.annotationType; + switch (subtype) { + case _util.AnnotationType.LINK: + return new LinkAnnotationElement(parameters); + case _util.AnnotationType.TEXT: + return new TextAnnotationElement(parameters); + case _util.AnnotationType.WIDGET: + var fieldType = parameters.data.fieldType; + switch (fieldType) { + case 'Tx': + return new TextWidgetAnnotationElement(parameters); + case 'Btn': + if (parameters.data.radioButton) { + return new RadioButtonWidgetAnnotationElement(parameters); + } else if (parameters.data.checkBox) { + return new CheckboxWidgetAnnotationElement(parameters); + } + return new PushButtonWidgetAnnotationElement(parameters); + case 'Ch': + return new ChoiceWidgetAnnotationElement(parameters); + } + return new WidgetAnnotationElement(parameters); + case _util.AnnotationType.POPUP: + return new PopupAnnotationElement(parameters); + case _util.AnnotationType.LINE: + return new LineAnnotationElement(parameters); + case _util.AnnotationType.SQUARE: + return new SquareAnnotationElement(parameters); + case _util.AnnotationType.CIRCLE: + return new CircleAnnotationElement(parameters); + case _util.AnnotationType.POLYLINE: + return new PolylineAnnotationElement(parameters); + case _util.AnnotationType.INK: + return new InkAnnotationElement(parameters); + case _util.AnnotationType.POLYGON: + return new PolygonAnnotationElement(parameters); + case _util.AnnotationType.HIGHLIGHT: + return new HighlightAnnotationElement(parameters); + case _util.AnnotationType.UNDERLINE: + return new UnderlineAnnotationElement(parameters); + case _util.AnnotationType.SQUIGGLY: + return new SquigglyAnnotationElement(parameters); + case _util.AnnotationType.STRIKEOUT: + return new StrikeOutAnnotationElement(parameters); + case _util.AnnotationType.STAMP: + return new StampAnnotationElement(parameters); + case _util.AnnotationType.FILEATTACHMENT: + return new FileAttachmentAnnotationElement(parameters); + default: + return new AnnotationElement(parameters); + } + } + }]); + + return AnnotationElementFactory; +}(); + +var AnnotationElement = function () { + function AnnotationElement(parameters) { + var isRenderable = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false; + var ignoreBorder = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false; + + _classCallCheck(this, AnnotationElement); + + this.isRenderable = isRenderable; + this.data = parameters.data; + this.layer = parameters.layer; + this.page = parameters.page; + this.viewport = parameters.viewport; + this.linkService = parameters.linkService; + this.downloadManager = parameters.downloadManager; + this.imageResourcesPath = parameters.imageResourcesPath; + this.renderInteractiveForms = parameters.renderInteractiveForms; + this.svgFactory = parameters.svgFactory; + if (isRenderable) { + this.container = this._createContainer(ignoreBorder); + } + } + + _createClass(AnnotationElement, [{ + key: '_createContainer', + value: function _createContainer() { + var ignoreBorder = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false; + + var data = this.data, + page = this.page, + viewport = this.viewport; + var container = document.createElement('section'); + var width = data.rect[2] - data.rect[0]; + var height = data.rect[3] - data.rect[1]; + container.setAttribute('data-annotation-id', data.id); + var rect = _util.Util.normalizeRect([data.rect[0], page.view[3] - data.rect[1] + page.view[1], data.rect[2], page.view[3] - data.rect[3] + page.view[1]]); + container.style.transform = 'matrix(' + viewport.transform.join(',') + ')'; + container.style.transformOrigin = -rect[0] + 'px ' + -rect[1] + 'px'; + if (!ignoreBorder && data.borderStyle.width > 0) { + container.style.borderWidth = data.borderStyle.width + 'px'; + if (data.borderStyle.style !== _util.AnnotationBorderStyleType.UNDERLINE) { + width = width - 2 * data.borderStyle.width; + height = height - 2 * data.borderStyle.width; } - if (fillStrokeMode === _util.TextRenderingMode.STROKE || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) { - ctx.stroke(); + var horizontalRadius = data.borderStyle.horizontalCornerRadius; + var verticalRadius = data.borderStyle.verticalCornerRadius; + if (horizontalRadius > 0 || verticalRadius > 0) { + var radius = horizontalRadius + 'px / ' + verticalRadius + 'px'; + container.style.borderRadius = radius; } - ctx.restore(); - } else { - if (fillStrokeMode === _util.TextRenderingMode.FILL || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) { - ctx.fillText(character, x, y); + switch (data.borderStyle.style) { + case _util.AnnotationBorderStyleType.SOLID: + container.style.borderStyle = 'solid'; + break; + case _util.AnnotationBorderStyleType.DASHED: + container.style.borderStyle = 'dashed'; + break; + case _util.AnnotationBorderStyleType.BEVELED: + (0, _util.warn)('Unimplemented border style: beveled'); + break; + case _util.AnnotationBorderStyleType.INSET: + (0, _util.warn)('Unimplemented border style: inset'); + break; + case _util.AnnotationBorderStyleType.UNDERLINE: + container.style.borderBottomStyle = 'solid'; + break; + default: + break; } - if (fillStrokeMode === _util.TextRenderingMode.STROKE || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) { - ctx.strokeText(character, x, y); + if (data.color) { + container.style.borderColor = _util.Util.makeCssRgb(data.color[0] | 0, data.color[1] | 0, data.color[2] | 0); + } else { + container.style.borderWidth = 0; } } - if (isAddToPathSet) { - var paths = this.pendingTextPaths || (this.pendingTextPaths = []); - paths.push({ - transform: ctx.mozCurrentTransform, - x: x, - y: y, - fontSize: fontSize, - addToPath: addToPath - }); + container.style.left = rect[0] + 'px'; + container.style.top = rect[1] + 'px'; + container.style.width = width + 'px'; + container.style.height = height + 'px'; + return container; + } + }, { + key: '_createPopup', + value: function _createPopup(container, trigger, data) { + if (!trigger) { + trigger = document.createElement('div'); + trigger.style.height = container.style.height; + trigger.style.width = container.style.width; + container.appendChild(trigger); } - }, - get isFontSubpixelAAEnabled() { - var ctx = this.canvasFactory.create(10, 10).context; - ctx.scale(1.5, 1); - ctx.fillText('I', 0, 10); - var data = ctx.getImageData(0, 0, 10, 10).data; - var enabled = false; - for (var i = 3; i < data.length; i += 4) { - if (data[i] > 0 && data[i] < 255) { - enabled = true; - break; + var popupElement = new PopupElement({ + container: container, + trigger: trigger, + color: data.color, + title: data.title, + contents: data.contents, + hideWrapper: true + }); + var popup = popupElement.render(); + popup.style.left = container.style.width; + container.appendChild(popup); + } + }, { + key: 'render', + value: function render() { + (0, _util.unreachable)('Abstract method `AnnotationElement.render` called'); + } + }]); + + return AnnotationElement; +}(); + +var LinkAnnotationElement = function (_AnnotationElement) { + _inherits(LinkAnnotationElement, _AnnotationElement); + + function LinkAnnotationElement(parameters) { + _classCallCheck(this, LinkAnnotationElement); + + var isRenderable = !!(parameters.data.url || parameters.data.dest || parameters.data.action); + return _possibleConstructorReturn(this, (LinkAnnotationElement.__proto__ || Object.getPrototypeOf(LinkAnnotationElement)).call(this, parameters, isRenderable)); + } + + _createClass(LinkAnnotationElement, [{ + key: 'render', + value: function render() { + this.container.className = 'linkAnnotation'; + var data = this.data, + linkService = this.linkService; + + var link = document.createElement('a'); + (0, _dom_utils.addLinkAttributes)(link, { + url: data.url, + target: data.newWindow ? _dom_utils.LinkTarget.BLANK : linkService.externalLinkTarget, + rel: linkService.externalLinkRel + }); + if (!data.url) { + if (data.action) { + this._bindNamedAction(link, data.action); + } else { + this._bindLink(link, data.dest); } } - return (0, _util.shadow)(this, 'isFontSubpixelAAEnabled', enabled); - }, - showText: function CanvasGraphics_showText(glyphs) { - var current = this.current; - var font = current.font; - if (font.isType3Font) { - return this.showType3Text(glyphs); - } - var fontSize = current.fontSize; - if (fontSize === 0) { - return; - } - var ctx = this.ctx; - var fontSizeScale = current.fontSizeScale; - var charSpacing = current.charSpacing; - var wordSpacing = current.wordSpacing; - var fontDirection = current.fontDirection; - var textHScale = current.textHScale * fontDirection; - var glyphsLength = glyphs.length; - var vertical = font.vertical; - var spacingDir = vertical ? 1 : -1; - var defaultVMetrics = font.defaultVMetrics; - var widthAdvanceScale = fontSize * current.fontMatrix[0]; - var simpleFillText = current.textRenderingMode === _util.TextRenderingMode.FILL && !font.disableFontFace; - ctx.save(); - ctx.transform.apply(ctx, current.textMatrix); - ctx.translate(current.x, current.y + current.textRise); - if (current.patternFill) { - ctx.fillStyle = current.fillColor.getPattern(ctx, this); - } - if (fontDirection > 0) { - ctx.scale(textHScale, -1); - } else { - ctx.scale(textHScale, 1); - } - var lineWidth = current.lineWidth; - var scale = current.textMatrixScale; - if (scale === 0 || lineWidth === 0) { - var fillStrokeMode = current.textRenderingMode & _util.TextRenderingMode.FILL_STROKE_MASK; - if (fillStrokeMode === _util.TextRenderingMode.STROKE || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) { - this.cachedGetSinglePixelWidth = null; - lineWidth = this.getSinglePixelWidth() * MIN_WIDTH_FACTOR; + this.container.appendChild(link); + return this.container; + } + }, { + key: '_bindLink', + value: function _bindLink(link, destination) { + var _this2 = this; + + link.href = this.linkService.getDestinationHash(destination); + link.onclick = function () { + if (destination) { + _this2.linkService.navigateTo(destination); } - } else { - lineWidth /= scale; + return false; + }; + if (destination) { + link.className = 'internalLink'; } - if (fontSizeScale !== 1.0) { - ctx.scale(fontSizeScale, fontSizeScale); - lineWidth /= fontSizeScale; + } + }, { + key: '_bindNamedAction', + value: function _bindNamedAction(link, action) { + var _this3 = this; + + link.href = this.linkService.getAnchorUrl(''); + link.onclick = function () { + _this3.linkService.executeNamedAction(action); + return false; + }; + link.className = 'internalLink'; + } + }]); + + return LinkAnnotationElement; +}(AnnotationElement); + +var TextAnnotationElement = function (_AnnotationElement2) { + _inherits(TextAnnotationElement, _AnnotationElement2); + + function TextAnnotationElement(parameters) { + _classCallCheck(this, TextAnnotationElement); + + var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents); + return _possibleConstructorReturn(this, (TextAnnotationElement.__proto__ || Object.getPrototypeOf(TextAnnotationElement)).call(this, parameters, isRenderable)); + } + + _createClass(TextAnnotationElement, [{ + key: 'render', + value: function render() { + this.container.className = 'textAnnotation'; + var image = document.createElement('img'); + image.style.height = this.container.style.height; + image.style.width = this.container.style.width; + image.src = this.imageResourcesPath + 'annotation-' + this.data.name.toLowerCase() + '.svg'; + image.alt = '[{{type}} Annotation]'; + image.dataset.l10nId = 'text_annotation_type'; + image.dataset.l10nArgs = JSON.stringify({ type: this.data.name }); + if (!this.data.hasPopup) { + this._createPopup(this.container, image, this.data); } - ctx.lineWidth = lineWidth; - var x = 0, - i; - for (i = 0; i < glyphsLength; ++i) { - var glyph = glyphs[i]; - if ((0, _util.isNum)(glyph)) { - x += spacingDir * glyph * fontSize / 1000; - continue; - } - var restoreNeeded = false; - var spacing = (glyph.isSpace ? wordSpacing : 0) + charSpacing; - var character = glyph.fontChar; - var accent = glyph.accent; - var scaledX, scaledY, scaledAccentX, scaledAccentY; - var width = glyph.width; - if (vertical) { - var vmetric, vx, vy; - vmetric = glyph.vmetric || defaultVMetrics; - vx = glyph.vmetric ? vmetric[1] : width * 0.5; - vx = -vx * widthAdvanceScale; - vy = vmetric[2] * widthAdvanceScale; - width = vmetric ? -vmetric[0] : width; - scaledX = vx / fontSizeScale; - scaledY = (x + vy) / fontSizeScale; + this.container.appendChild(image); + return this.container; + } + }]); + + return TextAnnotationElement; +}(AnnotationElement); + +var WidgetAnnotationElement = function (_AnnotationElement3) { + _inherits(WidgetAnnotationElement, _AnnotationElement3); + + function WidgetAnnotationElement() { + _classCallCheck(this, WidgetAnnotationElement); + + return _possibleConstructorReturn(this, (WidgetAnnotationElement.__proto__ || Object.getPrototypeOf(WidgetAnnotationElement)).apply(this, arguments)); + } + + _createClass(WidgetAnnotationElement, [{ + key: 'render', + value: function render() { + return this.container; + } + }]); + + return WidgetAnnotationElement; +}(AnnotationElement); + +var TextWidgetAnnotationElement = function (_WidgetAnnotationElem) { + _inherits(TextWidgetAnnotationElement, _WidgetAnnotationElem); + + function TextWidgetAnnotationElement(parameters) { + _classCallCheck(this, TextWidgetAnnotationElement); + + var isRenderable = parameters.renderInteractiveForms || !parameters.data.hasAppearance && !!parameters.data.fieldValue; + return _possibleConstructorReturn(this, (TextWidgetAnnotationElement.__proto__ || Object.getPrototypeOf(TextWidgetAnnotationElement)).call(this, parameters, isRenderable)); + } + + _createClass(TextWidgetAnnotationElement, [{ + key: 'render', + value: function render() { + var TEXT_ALIGNMENT = ['left', 'center', 'right']; + this.container.className = 'textWidgetAnnotation'; + var element = null; + if (this.renderInteractiveForms) { + if (this.data.multiLine) { + element = document.createElement('textarea'); + element.textContent = this.data.fieldValue; } else { - scaledX = x / fontSizeScale; - scaledY = 0; + element = document.createElement('input'); + element.type = 'text'; + element.setAttribute('value', this.data.fieldValue); } - if (font.remeasure && width > 0) { - var measuredWidth = ctx.measureText(character).width * 1000 / fontSize * fontSizeScale; - if (width < measuredWidth && this.isFontSubpixelAAEnabled) { - var characterScaleX = width / measuredWidth; - restoreNeeded = true; - ctx.save(); - ctx.scale(characterScaleX, 1); - scaledX /= characterScaleX; - } else if (width !== measuredWidth) { - scaledX += (width - measuredWidth) / 2000 * fontSize / fontSizeScale; - } + element.disabled = this.data.readOnly; + if (this.data.maxLen !== null) { + element.maxLength = this.data.maxLen; } - if (glyph.isInFont || font.missingFile) { - if (simpleFillText && !accent) { - ctx.fillText(character, scaledX, scaledY); - } else { - this.paintChar(character, scaledX, scaledY); - if (accent) { - scaledAccentX = scaledX + accent.offset.x / fontSizeScale; - scaledAccentY = scaledY - accent.offset.y / fontSizeScale; - this.paintChar(accent.fontChar, scaledAccentX, scaledAccentY); - } - } + if (this.data.comb) { + var fieldWidth = this.data.rect[2] - this.data.rect[0]; + var combWidth = fieldWidth / this.data.maxLen; + element.classList.add('comb'); + element.style.letterSpacing = 'calc(' + combWidth + 'px - 1ch)'; } - var charWidth = width * widthAdvanceScale + spacing * fontDirection; - x += charWidth; - if (restoreNeeded) { - ctx.restore(); + } else { + element = document.createElement('div'); + element.textContent = this.data.fieldValue; + element.style.verticalAlign = 'middle'; + element.style.display = 'table-cell'; + var font = null; + if (this.data.fontRefName) { + font = this.page.commonObjs.getData(this.data.fontRefName); } + this._setTextStyle(element, font); } - if (vertical) { - current.y -= x * textHScale; - } else { - current.x += x * textHScale; + if (this.data.textAlignment !== null) { + element.style.textAlign = TEXT_ALIGNMENT[this.data.textAlignment]; } - ctx.restore(); - }, - showType3Text: function CanvasGraphics_showType3Text(glyphs) { - var ctx = this.ctx; - var current = this.current; - var font = current.font; - var fontSize = current.fontSize; - var fontDirection = current.fontDirection; - var spacingDir = font.vertical ? 1 : -1; - var charSpacing = current.charSpacing; - var wordSpacing = current.wordSpacing; - var textHScale = current.textHScale * fontDirection; - var fontMatrix = current.fontMatrix || _util.FONT_IDENTITY_MATRIX; - var glyphsLength = glyphs.length; - var isTextInvisible = current.textRenderingMode === _util.TextRenderingMode.INVISIBLE; - var i, glyph, width, spacingLength; - if (isTextInvisible || fontSize === 0) { + this.container.appendChild(element); + return this.container; + } + }, { + key: '_setTextStyle', + value: function _setTextStyle(element, font) { + var style = element.style; + style.fontSize = this.data.fontSize + 'px'; + style.direction = this.data.fontDirection < 0 ? 'rtl' : 'ltr'; + if (!font) { return; } - this.cachedGetSinglePixelWidth = null; - ctx.save(); - ctx.transform.apply(ctx, current.textMatrix); - ctx.translate(current.x, current.y); - ctx.scale(textHScale, fontDirection); - for (i = 0; i < glyphsLength; ++i) { - glyph = glyphs[i]; - if ((0, _util.isNum)(glyph)) { - spacingLength = spacingDir * glyph * fontSize / 1000; - this.ctx.translate(spacingLength, 0); - current.x += spacingLength * textHScale; - continue; + style.fontWeight = font.black ? font.bold ? '900' : 'bold' : font.bold ? 'bold' : 'normal'; + style.fontStyle = font.italic ? 'italic' : 'normal'; + var fontFamily = font.loadedName ? '"' + font.loadedName + '", ' : ''; + var fallbackName = font.fallbackName || 'Helvetica, sans-serif'; + style.fontFamily = fontFamily + fallbackName; + } + }]); + + return TextWidgetAnnotationElement; +}(WidgetAnnotationElement); + +var CheckboxWidgetAnnotationElement = function (_WidgetAnnotationElem2) { + _inherits(CheckboxWidgetAnnotationElement, _WidgetAnnotationElem2); + + function CheckboxWidgetAnnotationElement(parameters) { + _classCallCheck(this, CheckboxWidgetAnnotationElement); + + return _possibleConstructorReturn(this, (CheckboxWidgetAnnotationElement.__proto__ || Object.getPrototypeOf(CheckboxWidgetAnnotationElement)).call(this, parameters, parameters.renderInteractiveForms)); + } + + _createClass(CheckboxWidgetAnnotationElement, [{ + key: 'render', + value: function render() { + this.container.className = 'buttonWidgetAnnotation checkBox'; + var element = document.createElement('input'); + element.disabled = this.data.readOnly; + element.type = 'checkbox'; + if (this.data.fieldValue && this.data.fieldValue !== 'Off') { + element.setAttribute('checked', true); + } + this.container.appendChild(element); + return this.container; + } + }]); + + return CheckboxWidgetAnnotationElement; +}(WidgetAnnotationElement); + +var RadioButtonWidgetAnnotationElement = function (_WidgetAnnotationElem3) { + _inherits(RadioButtonWidgetAnnotationElement, _WidgetAnnotationElem3); + + function RadioButtonWidgetAnnotationElement(parameters) { + _classCallCheck(this, RadioButtonWidgetAnnotationElement); + + return _possibleConstructorReturn(this, (RadioButtonWidgetAnnotationElement.__proto__ || Object.getPrototypeOf(RadioButtonWidgetAnnotationElement)).call(this, parameters, parameters.renderInteractiveForms)); + } + + _createClass(RadioButtonWidgetAnnotationElement, [{ + key: 'render', + value: function render() { + this.container.className = 'buttonWidgetAnnotation radioButton'; + var element = document.createElement('input'); + element.disabled = this.data.readOnly; + element.type = 'radio'; + element.name = this.data.fieldName; + if (this.data.fieldValue === this.data.buttonValue) { + element.setAttribute('checked', true); + } + this.container.appendChild(element); + return this.container; + } + }]); + + return RadioButtonWidgetAnnotationElement; +}(WidgetAnnotationElement); + +var PushButtonWidgetAnnotationElement = function (_LinkAnnotationElemen) { + _inherits(PushButtonWidgetAnnotationElement, _LinkAnnotationElemen); + + function PushButtonWidgetAnnotationElement() { + _classCallCheck(this, PushButtonWidgetAnnotationElement); + + return _possibleConstructorReturn(this, (PushButtonWidgetAnnotationElement.__proto__ || Object.getPrototypeOf(PushButtonWidgetAnnotationElement)).apply(this, arguments)); + } + + _createClass(PushButtonWidgetAnnotationElement, [{ + key: 'render', + value: function render() { + var container = _get(PushButtonWidgetAnnotationElement.prototype.__proto__ || Object.getPrototypeOf(PushButtonWidgetAnnotationElement.prototype), 'render', this).call(this); + container.className = 'buttonWidgetAnnotation pushButton'; + return container; + } + }]); + + return PushButtonWidgetAnnotationElement; +}(LinkAnnotationElement); + +var ChoiceWidgetAnnotationElement = function (_WidgetAnnotationElem4) { + _inherits(ChoiceWidgetAnnotationElement, _WidgetAnnotationElem4); + + function ChoiceWidgetAnnotationElement(parameters) { + _classCallCheck(this, ChoiceWidgetAnnotationElement); + + return _possibleConstructorReturn(this, (ChoiceWidgetAnnotationElement.__proto__ || Object.getPrototypeOf(ChoiceWidgetAnnotationElement)).call(this, parameters, parameters.renderInteractiveForms)); + } + + _createClass(ChoiceWidgetAnnotationElement, [{ + key: 'render', + value: function render() { + this.container.className = 'choiceWidgetAnnotation'; + var selectElement = document.createElement('select'); + selectElement.disabled = this.data.readOnly; + if (!this.data.combo) { + selectElement.size = this.data.options.length; + if (this.data.multiSelect) { + selectElement.multiple = true; } - var spacing = (glyph.isSpace ? wordSpacing : 0) + charSpacing; - var operatorList = font.charProcOperatorList[glyph.operatorListId]; - if (!operatorList) { - (0, _util.warn)('Type3 character "' + glyph.operatorListId + '" is not available.'); - continue; + } + for (var i = 0, ii = this.data.options.length; i < ii; i++) { + var option = this.data.options[i]; + var optionElement = document.createElement('option'); + optionElement.textContent = option.displayValue; + optionElement.value = option.exportValue; + if (this.data.fieldValue.includes(option.displayValue)) { + optionElement.setAttribute('selected', true); + } + selectElement.appendChild(optionElement); + } + this.container.appendChild(selectElement); + return this.container; + } + }]); + + return ChoiceWidgetAnnotationElement; +}(WidgetAnnotationElement); + +var PopupAnnotationElement = function (_AnnotationElement4) { + _inherits(PopupAnnotationElement, _AnnotationElement4); + + function PopupAnnotationElement(parameters) { + _classCallCheck(this, PopupAnnotationElement); + + var isRenderable = !!(parameters.data.title || parameters.data.contents); + return _possibleConstructorReturn(this, (PopupAnnotationElement.__proto__ || Object.getPrototypeOf(PopupAnnotationElement)).call(this, parameters, isRenderable)); + } + + _createClass(PopupAnnotationElement, [{ + key: 'render', + value: function render() { + var IGNORE_TYPES = ['Line', 'Square', 'Circle', 'PolyLine', 'Polygon', 'Ink']; + this.container.className = 'popupAnnotation'; + if (IGNORE_TYPES.includes(this.data.parentType)) { + return this.container; + } + var selector = '[data-annotation-id="' + this.data.parentId + '"]'; + var parentElement = this.layer.querySelector(selector); + if (!parentElement) { + return this.container; + } + var popup = new PopupElement({ + container: this.container, + trigger: parentElement, + color: this.data.color, + title: this.data.title, + contents: this.data.contents + }); + var parentLeft = parseFloat(parentElement.style.left); + var parentWidth = parseFloat(parentElement.style.width); + this.container.style.transformOrigin = -(parentLeft + parentWidth) + 'px -' + parentElement.style.top; + this.container.style.left = parentLeft + parentWidth + 'px'; + this.container.appendChild(popup.render()); + return this.container; + } + }]); + + return PopupAnnotationElement; +}(AnnotationElement); + +var PopupElement = function () { + function PopupElement(parameters) { + _classCallCheck(this, PopupElement); + + this.container = parameters.container; + this.trigger = parameters.trigger; + this.color = parameters.color; + this.title = parameters.title; + this.contents = parameters.contents; + this.hideWrapper = parameters.hideWrapper || false; + this.pinned = false; + } + + _createClass(PopupElement, [{ + key: 'render', + value: function render() { + var BACKGROUND_ENLIGHT = 0.7; + var wrapper = document.createElement('div'); + wrapper.className = 'popupWrapper'; + this.hideElement = this.hideWrapper ? wrapper : this.container; + this.hideElement.setAttribute('hidden', true); + var popup = document.createElement('div'); + popup.className = 'popup'; + var color = this.color; + if (color) { + var r = BACKGROUND_ENLIGHT * (255 - color[0]) + color[0]; + var g = BACKGROUND_ENLIGHT * (255 - color[1]) + color[1]; + var b = BACKGROUND_ENLIGHT * (255 - color[2]) + color[2]; + popup.style.backgroundColor = _util.Util.makeCssRgb(r | 0, g | 0, b | 0); + } + var contents = this._formatContents(this.contents); + var title = document.createElement('h1'); + title.textContent = this.title; + this.trigger.addEventListener('click', this._toggle.bind(this)); + this.trigger.addEventListener('mouseover', this._show.bind(this, false)); + this.trigger.addEventListener('mouseout', this._hide.bind(this, false)); + popup.addEventListener('click', this._hide.bind(this, true)); + popup.appendChild(title); + popup.appendChild(contents); + wrapper.appendChild(popup); + return wrapper; + } + }, { + key: '_formatContents', + value: function _formatContents(contents) { + var p = document.createElement('p'); + var lines = contents.split(/(?:\r\n?|\n)/); + for (var i = 0, ii = lines.length; i < ii; ++i) { + var line = lines[i]; + p.appendChild(document.createTextNode(line)); + if (i < ii - 1) { + p.appendChild(document.createElement('br')); } - this.processingType3 = glyph; - this.save(); - ctx.scale(fontSize, fontSize); - ctx.transform.apply(ctx, fontMatrix); - this.executeOperatorList(operatorList); - this.restore(); - var transformed = _util.Util.applyTransform([glyph.width, 0], fontMatrix); - width = transformed[0] * fontSize + spacing; - ctx.translate(width, 0); - current.x += width * textHScale; } - ctx.restore(); - this.processingType3 = null; - }, - setCharWidth: function CanvasGraphics_setCharWidth(xWidth, yWidth) {}, - setCharWidthAndBounds: function CanvasGraphics_setCharWidthAndBounds(xWidth, yWidth, llx, lly, urx, ury) { - this.ctx.rect(llx, lly, urx - llx, ury - lly); - this.clip(); - this.endPath(); - }, - getColorN_Pattern: function CanvasGraphics_getColorN_Pattern(IR) { - var _this = this; - - var pattern; - if (IR[0] === 'TilingPattern') { - var color = IR[1]; - var baseTransform = this.baseTransform || this.ctx.mozCurrentTransform.slice(); - var canvasGraphicsFactory = { - createCanvasGraphics: function createCanvasGraphics(ctx) { - return new CanvasGraphics(ctx, _this.commonObjs, _this.objs, _this.canvasFactory); - } - }; - pattern = new _pattern_helper.TilingPattern(IR, color, this.ctx, canvasGraphicsFactory, baseTransform); + return p; + } + }, { + key: '_toggle', + value: function _toggle() { + if (this.pinned) { + this._hide(true); } else { - pattern = (0, _pattern_helper.getShadingPatternFromIR)(IR); + this._show(true); } - return pattern; - }, - setStrokeColorN: function CanvasGraphics_setStrokeColorN() { - this.current.strokeColor = this.getColorN_Pattern(arguments); - }, - setFillColorN: function CanvasGraphics_setFillColorN() { - this.current.fillColor = this.getColorN_Pattern(arguments); - this.current.patternFill = true; - }, - setStrokeRGBColor: function CanvasGraphics_setStrokeRGBColor(r, g, b) { - var color = _util.Util.makeCssRgb(r, g, b); - this.ctx.strokeStyle = color; - this.current.strokeColor = color; - }, - setFillRGBColor: function CanvasGraphics_setFillRGBColor(r, g, b) { - var color = _util.Util.makeCssRgb(r, g, b); - this.ctx.fillStyle = color; - this.current.fillColor = color; - this.current.patternFill = false; - }, - shadingFill: function CanvasGraphics_shadingFill(patternIR) { - var ctx = this.ctx; - this.save(); - var pattern = (0, _pattern_helper.getShadingPatternFromIR)(patternIR); - ctx.fillStyle = pattern.getPattern(ctx, this, true); - var inv = ctx.mozCurrentTransformInverse; - if (inv) { - var canvas = ctx.canvas; - var width = canvas.width; - var height = canvas.height; - var bl = _util.Util.applyTransform([0, 0], inv); - var br = _util.Util.applyTransform([0, height], inv); - var ul = _util.Util.applyTransform([width, 0], inv); - var ur = _util.Util.applyTransform([width, height], inv); - var x0 = Math.min(bl[0], br[0], ul[0], ur[0]); - var y0 = Math.min(bl[1], br[1], ul[1], ur[1]); - var x1 = Math.max(bl[0], br[0], ul[0], ur[0]); - var y1 = Math.max(bl[1], br[1], ul[1], ur[1]); - this.ctx.fillRect(x0, y0, x1 - x0, y1 - y0); - } else { - this.ctx.fillRect(-1e10, -1e10, 2e10, 2e10); + } + }, { + key: '_show', + value: function _show() { + var pin = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false; + + if (pin) { + this.pinned = true; } - this.restore(); - }, - beginInlineImage: function CanvasGraphics_beginInlineImage() { - throw new Error('Should not call beginInlineImage'); - }, - beginImageData: function CanvasGraphics_beginImageData() { - throw new Error('Should not call beginImageData'); - }, - paintFormXObjectBegin: function CanvasGraphics_paintFormXObjectBegin(matrix, bbox) { - this.save(); - this.baseTransformStack.push(this.baseTransform); - if ((0, _util.isArray)(matrix) && matrix.length === 6) { - this.transform.apply(this, matrix); + if (this.hideElement.hasAttribute('hidden')) { + this.hideElement.removeAttribute('hidden'); + this.container.style.zIndex += 1; } - this.baseTransform = this.ctx.mozCurrentTransform; - if ((0, _util.isArray)(bbox) && bbox.length === 4) { - var width = bbox[2] - bbox[0]; - var height = bbox[3] - bbox[1]; - this.ctx.rect(bbox[0], bbox[1], width, height); - this.clip(); - this.endPath(); + } + }, { + key: '_hide', + value: function _hide() { + var unpin = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : true; + + if (unpin) { + this.pinned = false; } - }, - paintFormXObjectEnd: function CanvasGraphics_paintFormXObjectEnd() { - this.restore(); - this.baseTransform = this.baseTransformStack.pop(); - }, - beginGroup: function CanvasGraphics_beginGroup(group) { - this.save(); - var currentCtx = this.ctx; - if (!group.isolated) { - (0, _util.info)('TODO: Support non-isolated groups.'); + if (!this.hideElement.hasAttribute('hidden') && !this.pinned) { + this.hideElement.setAttribute('hidden', true); + this.container.style.zIndex -= 1; } - if (group.knockout) { - (0, _util.warn)('Knockout groups not supported.'); + } + }]); + + return PopupElement; +}(); + +var LineAnnotationElement = function (_AnnotationElement5) { + _inherits(LineAnnotationElement, _AnnotationElement5); + + function LineAnnotationElement(parameters) { + _classCallCheck(this, LineAnnotationElement); + + var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents); + return _possibleConstructorReturn(this, (LineAnnotationElement.__proto__ || Object.getPrototypeOf(LineAnnotationElement)).call(this, parameters, isRenderable, true)); + } + + _createClass(LineAnnotationElement, [{ + key: 'render', + value: function render() { + this.container.className = 'lineAnnotation'; + var data = this.data; + var width = data.rect[2] - data.rect[0]; + var height = data.rect[3] - data.rect[1]; + var svg = this.svgFactory.create(width, height); + var line = this.svgFactory.createElement('svg:line'); + line.setAttribute('x1', data.rect[2] - data.lineCoordinates[0]); + line.setAttribute('y1', data.rect[3] - data.lineCoordinates[1]); + line.setAttribute('x2', data.rect[2] - data.lineCoordinates[2]); + line.setAttribute('y2', data.rect[3] - data.lineCoordinates[3]); + line.setAttribute('stroke-width', data.borderStyle.width); + line.setAttribute('stroke', 'transparent'); + svg.appendChild(line); + this.container.append(svg); + this._createPopup(this.container, line, data); + return this.container; + } + }]); + + return LineAnnotationElement; +}(AnnotationElement); + +var SquareAnnotationElement = function (_AnnotationElement6) { + _inherits(SquareAnnotationElement, _AnnotationElement6); + + function SquareAnnotationElement(parameters) { + _classCallCheck(this, SquareAnnotationElement); + + var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents); + return _possibleConstructorReturn(this, (SquareAnnotationElement.__proto__ || Object.getPrototypeOf(SquareAnnotationElement)).call(this, parameters, isRenderable, true)); + } + + _createClass(SquareAnnotationElement, [{ + key: 'render', + value: function render() { + this.container.className = 'squareAnnotation'; + var data = this.data; + var width = data.rect[2] - data.rect[0]; + var height = data.rect[3] - data.rect[1]; + var svg = this.svgFactory.create(width, height); + var borderWidth = data.borderStyle.width; + var square = this.svgFactory.createElement('svg:rect'); + square.setAttribute('x', borderWidth / 2); + square.setAttribute('y', borderWidth / 2); + square.setAttribute('width', width - borderWidth); + square.setAttribute('height', height - borderWidth); + square.setAttribute('stroke-width', borderWidth); + square.setAttribute('stroke', 'transparent'); + square.setAttribute('fill', 'none'); + svg.appendChild(square); + this.container.append(svg); + this._createPopup(this.container, square, data); + return this.container; + } + }]); + + return SquareAnnotationElement; +}(AnnotationElement); + +var CircleAnnotationElement = function (_AnnotationElement7) { + _inherits(CircleAnnotationElement, _AnnotationElement7); + + function CircleAnnotationElement(parameters) { + _classCallCheck(this, CircleAnnotationElement); + + var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents); + return _possibleConstructorReturn(this, (CircleAnnotationElement.__proto__ || Object.getPrototypeOf(CircleAnnotationElement)).call(this, parameters, isRenderable, true)); + } + + _createClass(CircleAnnotationElement, [{ + key: 'render', + value: function render() { + this.container.className = 'circleAnnotation'; + var data = this.data; + var width = data.rect[2] - data.rect[0]; + var height = data.rect[3] - data.rect[1]; + var svg = this.svgFactory.create(width, height); + var borderWidth = data.borderStyle.width; + var circle = this.svgFactory.createElement('svg:ellipse'); + circle.setAttribute('cx', width / 2); + circle.setAttribute('cy', height / 2); + circle.setAttribute('rx', width / 2 - borderWidth / 2); + circle.setAttribute('ry', height / 2 - borderWidth / 2); + circle.setAttribute('stroke-width', borderWidth); + circle.setAttribute('stroke', 'transparent'); + circle.setAttribute('fill', 'none'); + svg.appendChild(circle); + this.container.append(svg); + this._createPopup(this.container, circle, data); + return this.container; + } + }]); + + return CircleAnnotationElement; +}(AnnotationElement); + +var PolylineAnnotationElement = function (_AnnotationElement8) { + _inherits(PolylineAnnotationElement, _AnnotationElement8); + + function PolylineAnnotationElement(parameters) { + _classCallCheck(this, PolylineAnnotationElement); + + var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents); + + var _this15 = _possibleConstructorReturn(this, (PolylineAnnotationElement.__proto__ || Object.getPrototypeOf(PolylineAnnotationElement)).call(this, parameters, isRenderable, true)); + + _this15.containerClassName = 'polylineAnnotation'; + _this15.svgElementName = 'svg:polyline'; + return _this15; + } + + _createClass(PolylineAnnotationElement, [{ + key: 'render', + value: function render() { + this.container.className = this.containerClassName; + var data = this.data; + var width = data.rect[2] - data.rect[0]; + var height = data.rect[3] - data.rect[1]; + var svg = this.svgFactory.create(width, height); + var vertices = data.vertices; + var points = []; + for (var i = 0, ii = vertices.length; i < ii; i++) { + var x = vertices[i].x - data.rect[0]; + var y = data.rect[3] - vertices[i].y; + points.push(x + ',' + y); + } + points = points.join(' '); + var borderWidth = data.borderStyle.width; + var polyline = this.svgFactory.createElement(this.svgElementName); + polyline.setAttribute('points', points); + polyline.setAttribute('stroke-width', borderWidth); + polyline.setAttribute('stroke', 'transparent'); + polyline.setAttribute('fill', 'none'); + svg.appendChild(polyline); + this.container.append(svg); + this._createPopup(this.container, polyline, data); + return this.container; + } + }]); + + return PolylineAnnotationElement; +}(AnnotationElement); + +var PolygonAnnotationElement = function (_PolylineAnnotationEl) { + _inherits(PolygonAnnotationElement, _PolylineAnnotationEl); + + function PolygonAnnotationElement(parameters) { + _classCallCheck(this, PolygonAnnotationElement); + + var _this16 = _possibleConstructorReturn(this, (PolygonAnnotationElement.__proto__ || Object.getPrototypeOf(PolygonAnnotationElement)).call(this, parameters)); + + _this16.containerClassName = 'polygonAnnotation'; + _this16.svgElementName = 'svg:polygon'; + return _this16; + } + + return PolygonAnnotationElement; +}(PolylineAnnotationElement); + +var InkAnnotationElement = function (_AnnotationElement9) { + _inherits(InkAnnotationElement, _AnnotationElement9); + + function InkAnnotationElement(parameters) { + _classCallCheck(this, InkAnnotationElement); + + var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents); + + var _this17 = _possibleConstructorReturn(this, (InkAnnotationElement.__proto__ || Object.getPrototypeOf(InkAnnotationElement)).call(this, parameters, isRenderable, true)); + + _this17.containerClassName = 'inkAnnotation'; + _this17.svgElementName = 'svg:polyline'; + return _this17; + } + + _createClass(InkAnnotationElement, [{ + key: 'render', + value: function render() { + this.container.className = this.containerClassName; + var data = this.data; + var width = data.rect[2] - data.rect[0]; + var height = data.rect[3] - data.rect[1]; + var svg = this.svgFactory.create(width, height); + var inkLists = data.inkLists; + for (var i = 0, ii = inkLists.length; i < ii; i++) { + var inkList = inkLists[i]; + var points = []; + for (var j = 0, jj = inkList.length; j < jj; j++) { + var x = inkList[j].x - data.rect[0]; + var y = data.rect[3] - inkList[j].y; + points.push(x + ',' + y); + } + points = points.join(' '); + var borderWidth = data.borderStyle.width; + var polyline = this.svgFactory.createElement(this.svgElementName); + polyline.setAttribute('points', points); + polyline.setAttribute('stroke-width', borderWidth); + polyline.setAttribute('stroke', 'transparent'); + polyline.setAttribute('fill', 'none'); + this._createPopup(this.container, polyline, data); + svg.appendChild(polyline); + } + this.container.append(svg); + return this.container; + } + }]); + + return InkAnnotationElement; +}(AnnotationElement); + +var HighlightAnnotationElement = function (_AnnotationElement10) { + _inherits(HighlightAnnotationElement, _AnnotationElement10); + + function HighlightAnnotationElement(parameters) { + _classCallCheck(this, HighlightAnnotationElement); + + var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents); + return _possibleConstructorReturn(this, (HighlightAnnotationElement.__proto__ || Object.getPrototypeOf(HighlightAnnotationElement)).call(this, parameters, isRenderable, true)); + } + + _createClass(HighlightAnnotationElement, [{ + key: 'render', + value: function render() { + this.container.className = 'highlightAnnotation'; + if (!this.data.hasPopup) { + this._createPopup(this.container, null, this.data); + } + return this.container; + } + }]); + + return HighlightAnnotationElement; +}(AnnotationElement); + +var UnderlineAnnotationElement = function (_AnnotationElement11) { + _inherits(UnderlineAnnotationElement, _AnnotationElement11); + + function UnderlineAnnotationElement(parameters) { + _classCallCheck(this, UnderlineAnnotationElement); + + var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents); + return _possibleConstructorReturn(this, (UnderlineAnnotationElement.__proto__ || Object.getPrototypeOf(UnderlineAnnotationElement)).call(this, parameters, isRenderable, true)); + } + + _createClass(UnderlineAnnotationElement, [{ + key: 'render', + value: function render() { + this.container.className = 'underlineAnnotation'; + if (!this.data.hasPopup) { + this._createPopup(this.container, null, this.data); } - var currentTransform = currentCtx.mozCurrentTransform; - if (group.matrix) { - currentCtx.transform.apply(currentCtx, group.matrix); + return this.container; + } + }]); + + return UnderlineAnnotationElement; +}(AnnotationElement); + +var SquigglyAnnotationElement = function (_AnnotationElement12) { + _inherits(SquigglyAnnotationElement, _AnnotationElement12); + + function SquigglyAnnotationElement(parameters) { + _classCallCheck(this, SquigglyAnnotationElement); + + var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents); + return _possibleConstructorReturn(this, (SquigglyAnnotationElement.__proto__ || Object.getPrototypeOf(SquigglyAnnotationElement)).call(this, parameters, isRenderable, true)); + } + + _createClass(SquigglyAnnotationElement, [{ + key: 'render', + value: function render() { + this.container.className = 'squigglyAnnotation'; + if (!this.data.hasPopup) { + this._createPopup(this.container, null, this.data); } - if (!group.bbox) { - throw new Error('Bounding box is required.'); + return this.container; + } + }]); + + return SquigglyAnnotationElement; +}(AnnotationElement); + +var StrikeOutAnnotationElement = function (_AnnotationElement13) { + _inherits(StrikeOutAnnotationElement, _AnnotationElement13); + + function StrikeOutAnnotationElement(parameters) { + _classCallCheck(this, StrikeOutAnnotationElement); + + var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents); + return _possibleConstructorReturn(this, (StrikeOutAnnotationElement.__proto__ || Object.getPrototypeOf(StrikeOutAnnotationElement)).call(this, parameters, isRenderable, true)); + } + + _createClass(StrikeOutAnnotationElement, [{ + key: 'render', + value: function render() { + this.container.className = 'strikeoutAnnotation'; + if (!this.data.hasPopup) { + this._createPopup(this.container, null, this.data); } - var bounds = _util.Util.getAxialAlignedBoundingBox(group.bbox, currentCtx.mozCurrentTransform); - var canvasBounds = [0, 0, currentCtx.canvas.width, currentCtx.canvas.height]; - bounds = _util.Util.intersect(bounds, canvasBounds) || [0, 0, 0, 0]; - var offsetX = Math.floor(bounds[0]); - var offsetY = Math.floor(bounds[1]); - var drawnWidth = Math.max(Math.ceil(bounds[2]) - offsetX, 1); - var drawnHeight = Math.max(Math.ceil(bounds[3]) - offsetY, 1); - var scaleX = 1, - scaleY = 1; - if (drawnWidth > MAX_GROUP_SIZE) { - scaleX = drawnWidth / MAX_GROUP_SIZE; - drawnWidth = MAX_GROUP_SIZE; + return this.container; + } + }]); + + return StrikeOutAnnotationElement; +}(AnnotationElement); + +var StampAnnotationElement = function (_AnnotationElement14) { + _inherits(StampAnnotationElement, _AnnotationElement14); + + function StampAnnotationElement(parameters) { + _classCallCheck(this, StampAnnotationElement); + + var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents); + return _possibleConstructorReturn(this, (StampAnnotationElement.__proto__ || Object.getPrototypeOf(StampAnnotationElement)).call(this, parameters, isRenderable, true)); + } + + _createClass(StampAnnotationElement, [{ + key: 'render', + value: function render() { + this.container.className = 'stampAnnotation'; + if (!this.data.hasPopup) { + this._createPopup(this.container, null, this.data); } - if (drawnHeight > MAX_GROUP_SIZE) { - scaleY = drawnHeight / MAX_GROUP_SIZE; - drawnHeight = MAX_GROUP_SIZE; + return this.container; + } + }]); + + return StampAnnotationElement; +}(AnnotationElement); + +var FileAttachmentAnnotationElement = function (_AnnotationElement15) { + _inherits(FileAttachmentAnnotationElement, _AnnotationElement15); + + function FileAttachmentAnnotationElement(parameters) { + _classCallCheck(this, FileAttachmentAnnotationElement); + + var _this23 = _possibleConstructorReturn(this, (FileAttachmentAnnotationElement.__proto__ || Object.getPrototypeOf(FileAttachmentAnnotationElement)).call(this, parameters, true)); + + var _this23$data$file = _this23.data.file, + filename = _this23$data$file.filename, + content = _this23$data$file.content; + + _this23.filename = (0, _dom_utils.getFilenameFromUrl)(filename); + _this23.content = content; + if (_this23.linkService.eventBus) { + _this23.linkService.eventBus.dispatch('fileattachmentannotation', { + source: _this23, + id: (0, _util.stringToPDFString)(filename), + filename: filename, + content: content + }); + } + return _this23; + } + + _createClass(FileAttachmentAnnotationElement, [{ + key: 'render', + value: function render() { + this.container.className = 'fileAttachmentAnnotation'; + var trigger = document.createElement('div'); + trigger.style.height = this.container.style.height; + trigger.style.width = this.container.style.width; + trigger.addEventListener('dblclick', this._download.bind(this)); + if (!this.data.hasPopup && (this.data.title || this.data.contents)) { + this._createPopup(this.container, trigger, this.data); } - var cacheId = 'groupAt' + this.groupLevel; - if (group.smask) { - cacheId += '_smask_' + this.smaskCounter++ % 2; + this.container.appendChild(trigger); + return this.container; + } + }, { + key: '_download', + value: function _download() { + if (!this.downloadManager) { + (0, _util.warn)('Download cannot be started due to unavailable download manager'); + return; } - var scratchCanvas = this.cachedCanvases.getCanvas(cacheId, drawnWidth, drawnHeight, true); - var groupCtx = scratchCanvas.context; - groupCtx.scale(1 / scaleX, 1 / scaleY); - groupCtx.translate(-offsetX, -offsetY); - groupCtx.transform.apply(groupCtx, currentTransform); - if (group.smask) { - this.smaskStack.push({ - canvas: scratchCanvas.canvas, - context: groupCtx, - offsetX: offsetX, - offsetY: offsetY, - scaleX: scaleX, - scaleY: scaleY, - subtype: group.smask.subtype, - backdrop: group.smask.backdrop, - transferMap: group.smask.transferMap || null, - startTransformInverse: null + this.downloadManager.downloadData(this.content, this.filename, ''); + } + }]); + + return FileAttachmentAnnotationElement; +}(AnnotationElement); + +var AnnotationLayer = function () { + function AnnotationLayer() { + _classCallCheck(this, AnnotationLayer); + } + + _createClass(AnnotationLayer, null, [{ + key: 'render', + value: function render(parameters) { + for (var i = 0, ii = parameters.annotations.length; i < ii; i++) { + var data = parameters.annotations[i]; + if (!data) { + continue; + } + var element = AnnotationElementFactory.create({ + data: data, + layer: parameters.div, + page: parameters.page, + viewport: parameters.viewport, + linkService: parameters.linkService, + downloadManager: parameters.downloadManager, + imageResourcesPath: parameters.imageResourcesPath || '', + renderInteractiveForms: parameters.renderInteractiveForms || false, + svgFactory: new _dom_utils.DOMSVGFactory() }); - } else { - currentCtx.setTransform(1, 0, 0, 1, 0, 0); - currentCtx.translate(offsetX, offsetY); - currentCtx.scale(scaleX, scaleY); - } - copyCtxState(currentCtx, groupCtx); - this.ctx = groupCtx; - this.setGState([['BM', 'source-over'], ['ca', 1], ['CA', 1]]); - this.groupStack.push(currentCtx); - this.groupLevel++; - this.current.activeSMask = null; - }, - endGroup: function CanvasGraphics_endGroup(group) { - this.groupLevel--; - var groupCtx = this.ctx; - this.ctx = this.groupStack.pop(); - if (this.ctx.imageSmoothingEnabled !== undefined) { - this.ctx.imageSmoothingEnabled = false; - } else { - this.ctx.mozImageSmoothingEnabled = false; + if (element.isRenderable) { + parameters.div.appendChild(element.render()); + } } - if (group.smask) { - this.tempSMask = this.smaskStack.pop(); - } else { - this.ctx.drawImage(groupCtx.canvas, 0, 0); + } + }, { + key: 'update', + value: function update(parameters) { + for (var i = 0, ii = parameters.annotations.length; i < ii; i++) { + var data = parameters.annotations[i]; + var element = parameters.div.querySelector('[data-annotation-id="' + data.id + '"]'); + if (element) { + element.style.transform = 'matrix(' + parameters.viewport.transform.join(',') + ')'; + } } - this.restore(); - }, - beginAnnotations: function CanvasGraphics_beginAnnotations() { - this.save(); - if (this.baseTransform) { - this.ctx.setTransform.apply(this.ctx, this.baseTransform); + parameters.div.removeAttribute('hidden'); + } + }]); + + return AnnotationLayer; +}(); + +exports.AnnotationLayer = AnnotationLayer; + +/***/ }), +/* 147 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +Object.defineProperty(exports, "__esModule", { + value: true +}); +exports.SVGGraphics = undefined; + +var _util = __w_pdfjs_require__(1); + +var _dom_utils = __w_pdfjs_require__(130); + +var _is_node = __w_pdfjs_require__(4); + +var _is_node2 = _interopRequireDefault(_is_node); + +function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } + +var SVGGraphics = function SVGGraphics() { + throw new Error('Not implemented: SVGGraphics'); +}; +{ + var SVG_DEFAULTS = { + fontStyle: 'normal', + fontWeight: 'normal', + fillColor: '#000000' + }; + var convertImgDataToPng = function convertImgDataToPngClosure() { + var PNG_HEADER = new Uint8Array([0x89, 0x50, 0x4e, 0x47, 0x0d, 0x0a, 0x1a, 0x0a]); + var CHUNK_WRAPPER_SIZE = 12; + var crcTable = new Int32Array(256); + for (var i = 0; i < 256; i++) { + var c = i; + for (var h = 0; h < 8; h++) { + if (c & 1) { + c = 0xedB88320 ^ c >> 1 & 0x7fffffff; + } else { + c = c >> 1 & 0x7fffffff; + } } - }, - endAnnotations: function CanvasGraphics_endAnnotations() { - this.restore(); - }, - beginAnnotation: function CanvasGraphics_beginAnnotation(rect, transform, matrix) { - this.save(); - resetCtxToDefault(this.ctx); - this.current = new CanvasExtraState(); - if ((0, _util.isArray)(rect) && rect.length === 4) { - var width = rect[2] - rect[0]; - var height = rect[3] - rect[1]; - this.ctx.rect(rect[0], rect[1], width, height); - this.clip(); - this.endPath(); + crcTable[i] = c; + } + function crc32(data, start, end) { + var crc = -1; + for (var i = start; i < end; i++) { + var a = (crc ^ data[i]) & 0xff; + var b = crcTable[a]; + crc = crc >>> 8 ^ b; } - this.transform.apply(this, transform); - this.transform.apply(this, matrix); - }, - endAnnotation: function CanvasGraphics_endAnnotation() { - this.restore(); - }, - paintJpegXObject: function CanvasGraphics_paintJpegXObject(objId, w, h) { - var domImage = this.objs.get(objId); - if (!domImage) { - (0, _util.warn)('Dependent image isn\'t ready yet'); - return; + return crc ^ -1; + } + function writePngChunk(type, body, data, offset) { + var p = offset; + var len = body.length; + data[p] = len >> 24 & 0xff; + data[p + 1] = len >> 16 & 0xff; + data[p + 2] = len >> 8 & 0xff; + data[p + 3] = len & 0xff; + p += 4; + data[p] = type.charCodeAt(0) & 0xff; + data[p + 1] = type.charCodeAt(1) & 0xff; + data[p + 2] = type.charCodeAt(2) & 0xff; + data[p + 3] = type.charCodeAt(3) & 0xff; + p += 4; + data.set(body, p); + p += body.length; + var crc = crc32(data, offset + 4, p); + data[p] = crc >> 24 & 0xff; + data[p + 1] = crc >> 16 & 0xff; + data[p + 2] = crc >> 8 & 0xff; + data[p + 3] = crc & 0xff; + } + function adler32(data, start, end) { + var a = 1; + var b = 0; + for (var i = start; i < end; ++i) { + a = (a + (data[i] & 0xff)) % 65521; + b = (b + a) % 65521; } - this.save(); - var ctx = this.ctx; - ctx.scale(1 / w, -1 / h); - ctx.drawImage(domImage, 0, 0, domImage.width, domImage.height, 0, -h, w, h); - if (this.imageLayer) { - var currentTransform = ctx.mozCurrentTransformInverse; - var position = this.getCanvasPosition(0, 0); - this.imageLayer.appendImage({ - objId: objId, - left: position[0], - top: position[1], - width: w / currentTransform[0], - height: h / currentTransform[3] - }); + return b << 16 | a; + } + function deflateSync(literals) { + if (!(0, _is_node2.default)()) { + return deflateSyncUncompressed(literals); } - this.restore(); - }, - paintImageMaskXObject: function CanvasGraphics_paintImageMaskXObject(img) { - var ctx = this.ctx; - var width = img.width, - height = img.height; - var fillColor = this.current.fillColor; - var isPatternFill = this.current.patternFill; - var glyph = this.processingType3; - if (COMPILE_TYPE3_GLYPHS && glyph && glyph.compiled === undefined) { - if (width <= MAX_SIZE_TO_COMPILE && height <= MAX_SIZE_TO_COMPILE) { - glyph.compiled = compileType3Glyph({ - data: img.data, - width: width, - height: height - }); + try { + var input; + if (parseInt(process.versions.node) >= 8) { + input = literals; } else { - glyph.compiled = null; + input = new Buffer(literals); } + var output = require('zlib').deflateSync(input, { level: 9 }); + return output instanceof Uint8Array ? output : new Uint8Array(output); + } catch (e) { + (0, _util.warn)('Not compressing PNG because zlib.deflateSync is unavailable: ' + e); } - if (glyph && glyph.compiled) { - glyph.compiled(ctx); - return; + return deflateSyncUncompressed(literals); + } + function deflateSyncUncompressed(literals) { + var len = literals.length; + var maxBlockLength = 0xFFFF; + var deflateBlocks = Math.ceil(len / maxBlockLength); + var idat = new Uint8Array(2 + len + deflateBlocks * 5 + 4); + var pi = 0; + idat[pi++] = 0x78; + idat[pi++] = 0x9c; + var pos = 0; + while (len > maxBlockLength) { + idat[pi++] = 0x00; + idat[pi++] = 0xff; + idat[pi++] = 0xff; + idat[pi++] = 0x00; + idat[pi++] = 0x00; + idat.set(literals.subarray(pos, pos + maxBlockLength), pi); + pi += maxBlockLength; + pos += maxBlockLength; + len -= maxBlockLength; } - var maskCanvas = this.cachedCanvases.getCanvas('maskCanvas', width, height); - var maskCtx = maskCanvas.context; - maskCtx.save(); - putBinaryImageMask(maskCtx, img); - maskCtx.globalCompositeOperation = 'source-in'; - maskCtx.fillStyle = isPatternFill ? fillColor.getPattern(maskCtx, this) : fillColor; - maskCtx.fillRect(0, 0, width, height); - maskCtx.restore(); - this.paintInlineImageXObject(maskCanvas.canvas); - }, - paintImageMaskXObjectRepeat: function CanvasGraphics_paintImageMaskXObjectRepeat(imgData, scaleX, scaleY, positions) { + idat[pi++] = 0x01; + idat[pi++] = len & 0xff; + idat[pi++] = len >> 8 & 0xff; + idat[pi++] = ~len & 0xffff & 0xff; + idat[pi++] = (~len & 0xffff) >> 8 & 0xff; + idat.set(literals.subarray(pos), pi); + pi += literals.length - pos; + var adler = adler32(literals, 0, literals.length); + idat[pi++] = adler >> 24 & 0xff; + idat[pi++] = adler >> 16 & 0xff; + idat[pi++] = adler >> 8 & 0xff; + idat[pi++] = adler & 0xff; + return idat; + } + function encode(imgData, kind, forceDataSchema, isMask) { var width = imgData.width; var height = imgData.height; - var fillColor = this.current.fillColor; - var isPatternFill = this.current.patternFill; - var maskCanvas = this.cachedCanvases.getCanvas('maskCanvas', width, height); - var maskCtx = maskCanvas.context; - maskCtx.save(); - putBinaryImageMask(maskCtx, imgData); - maskCtx.globalCompositeOperation = 'source-in'; - maskCtx.fillStyle = isPatternFill ? fillColor.getPattern(maskCtx, this) : fillColor; - maskCtx.fillRect(0, 0, width, height); - maskCtx.restore(); - var ctx = this.ctx; - for (var i = 0, ii = positions.length; i < ii; i += 2) { - ctx.save(); - ctx.transform(scaleX, 0, 0, scaleY, positions[i], positions[i + 1]); - ctx.scale(1, -1); - ctx.drawImage(maskCanvas.canvas, 0, 0, width, height, 0, -1, 1, 1); - ctx.restore(); + var bitDepth, colorType, lineSize; + var bytes = imgData.data; + switch (kind) { + case _util.ImageKind.GRAYSCALE_1BPP: + colorType = 0; + bitDepth = 1; + lineSize = width + 7 >> 3; + break; + case _util.ImageKind.RGB_24BPP: + colorType = 2; + bitDepth = 8; + lineSize = width * 3; + break; + case _util.ImageKind.RGBA_32BPP: + colorType = 6; + bitDepth = 8; + lineSize = width * 4; + break; + default: + throw new Error('invalid format'); } - }, - paintImageMaskXObjectGroup: function CanvasGraphics_paintImageMaskXObjectGroup(images) { - var ctx = this.ctx; - var fillColor = this.current.fillColor; - var isPatternFill = this.current.patternFill; - for (var i = 0, ii = images.length; i < ii; i++) { - var image = images[i]; - var width = image.width, - height = image.height; - var maskCanvas = this.cachedCanvases.getCanvas('maskCanvas', width, height); - var maskCtx = maskCanvas.context; - maskCtx.save(); - putBinaryImageMask(maskCtx, image); - maskCtx.globalCompositeOperation = 'source-in'; - maskCtx.fillStyle = isPatternFill ? fillColor.getPattern(maskCtx, this) : fillColor; - maskCtx.fillRect(0, 0, width, height); - maskCtx.restore(); - ctx.save(); - ctx.transform.apply(ctx, image.transform); - ctx.scale(1, -1); - ctx.drawImage(maskCanvas.canvas, 0, 0, width, height, 0, -1, 1, 1); - ctx.restore(); + var literals = new Uint8Array((1 + lineSize) * height); + var offsetLiterals = 0, + offsetBytes = 0; + var y, i; + for (y = 0; y < height; ++y) { + literals[offsetLiterals++] = 0; + literals.set(bytes.subarray(offsetBytes, offsetBytes + lineSize), offsetLiterals); + offsetBytes += lineSize; + offsetLiterals += lineSize; } - }, - paintImageXObject: function CanvasGraphics_paintImageXObject(objId) { - var imgData = this.objs.get(objId); - if (!imgData) { - (0, _util.warn)('Dependent image isn\'t ready yet'); - return; + if (kind === _util.ImageKind.GRAYSCALE_1BPP && isMask) { + offsetLiterals = 0; + for (y = 0; y < height; y++) { + offsetLiterals++; + for (i = 0; i < lineSize; i++) { + literals[offsetLiterals++] ^= 0xFF; + } + } } - this.paintInlineImageXObject(imgData); - }, - paintImageXObjectRepeat: function CanvasGraphics_paintImageXObjectRepeat(objId, scaleX, scaleY, positions) { - var imgData = this.objs.get(objId); - if (!imgData) { - (0, _util.warn)('Dependent image isn\'t ready yet'); - return; + var ihdr = new Uint8Array([width >> 24 & 0xff, width >> 16 & 0xff, width >> 8 & 0xff, width & 0xff, height >> 24 & 0xff, height >> 16 & 0xff, height >> 8 & 0xff, height & 0xff, bitDepth, colorType, 0x00, 0x00, 0x00]); + var idat = deflateSync(literals); + var pngLength = PNG_HEADER.length + CHUNK_WRAPPER_SIZE * 3 + ihdr.length + idat.length; + var data = new Uint8Array(pngLength); + var offset = 0; + data.set(PNG_HEADER, offset); + offset += PNG_HEADER.length; + writePngChunk('IHDR', ihdr, data, offset); + offset += CHUNK_WRAPPER_SIZE + ihdr.length; + writePngChunk('IDATA', idat, data, offset); + offset += CHUNK_WRAPPER_SIZE + idat.length; + writePngChunk('IEND', new Uint8Array(0), data, offset); + return (0, _util.createObjectURL)(data, 'image/png', forceDataSchema); + } + return function convertImgDataToPng(imgData, forceDataSchema, isMask) { + var kind = imgData.kind === undefined ? _util.ImageKind.GRAYSCALE_1BPP : imgData.kind; + return encode(imgData, kind, forceDataSchema, isMask); + }; + }(); + var SVGExtraState = function SVGExtraStateClosure() { + function SVGExtraState() { + this.fontSizeScale = 1; + this.fontWeight = SVG_DEFAULTS.fontWeight; + this.fontSize = 0; + this.textMatrix = _util.IDENTITY_MATRIX; + this.fontMatrix = _util.FONT_IDENTITY_MATRIX; + this.leading = 0; + this.textRenderingMode = _util.TextRenderingMode.FILL; + this.x = 0; + this.y = 0; + this.lineX = 0; + this.lineY = 0; + this.charSpacing = 0; + this.wordSpacing = 0; + this.textHScale = 1; + this.textRise = 0; + this.fillColor = SVG_DEFAULTS.fillColor; + this.strokeColor = '#000000'; + this.fillAlpha = 1; + this.strokeAlpha = 1; + this.lineWidth = 1; + this.lineJoin = ''; + this.lineCap = ''; + this.miterLimit = 0; + this.dashArray = []; + this.dashPhase = 0; + this.dependencies = []; + this.activeClipUrl = null; + this.clipGroup = null; + this.maskId = ''; + } + SVGExtraState.prototype = { + clone: function SVGExtraState_clone() { + return Object.create(this); + }, + setCurrentPoint: function SVGExtraState_setCurrentPoint(x, y) { + this.x = x; + this.y = y; } - var width = imgData.width; - var height = imgData.height; - var map = []; - for (var i = 0, ii = positions.length; i < ii; i += 2) { - map.push({ - transform: [scaleX, 0, 0, scaleY, positions[i], positions[i + 1]], - x: 0, - y: 0, - w: width, - h: height - }); + }; + return SVGExtraState; + }(); + exports.SVGGraphics = SVGGraphics = function SVGGraphicsClosure() { + function opListToTree(opList) { + var opTree = []; + var tmp = []; + var opListLen = opList.length; + for (var x = 0; x < opListLen; x++) { + if (opList[x].fn === 'save') { + opTree.push({ + 'fnId': 92, + 'fn': 'group', + 'items': [] + }); + tmp.push(opTree); + opTree = opTree[opTree.length - 1].items; + continue; + } + if (opList[x].fn === 'restore') { + opTree = tmp.pop(); + } else { + opTree.push(opList[x]); + } } - this.paintInlineImageXObjectGroup(imgData, map); - }, - paintInlineImageXObject: function CanvasGraphics_paintInlineImageXObject(imgData) { - var width = imgData.width; - var height = imgData.height; - var ctx = this.ctx; - this.save(); - ctx.scale(1 / width, -1 / height); - var currentTransform = ctx.mozCurrentTransformInverse; - var a = currentTransform[0], - b = currentTransform[1]; - var widthScale = Math.max(Math.sqrt(a * a + b * b), 1); - var c = currentTransform[2], - d = currentTransform[3]; - var heightScale = Math.max(Math.sqrt(c * c + d * d), 1); - var imgToPaint, tmpCanvas; - if (imgData instanceof HTMLElement || !imgData.data) { - imgToPaint = imgData; - } else { - tmpCanvas = this.cachedCanvases.getCanvas('inlineImage', width, height); - var tmpCtx = tmpCanvas.context; - putBinaryImageData(tmpCtx, imgData); - imgToPaint = tmpCanvas.canvas; + return opTree; + } + function pf(value) { + if (Number.isInteger(value)) { + return value.toString(); } - var paintWidth = width, - paintHeight = height; - var tmpCanvasId = 'prescale1'; - while (widthScale > 2 && paintWidth > 1 || heightScale > 2 && paintHeight > 1) { - var newWidth = paintWidth, - newHeight = paintHeight; - if (widthScale > 2 && paintWidth > 1) { - newWidth = Math.ceil(paintWidth / 2); - widthScale /= paintWidth / newWidth; + var s = value.toFixed(10); + var i = s.length - 1; + if (s[i] !== '0') { + return s; + } + do { + i--; + } while (s[i] === '0'); + return s.substring(0, s[i] === '.' ? i : i + 1); + } + function pm(m) { + if (m[4] === 0 && m[5] === 0) { + if (m[1] === 0 && m[2] === 0) { + if (m[0] === 1 && m[3] === 1) { + return ''; + } + return 'scale(' + pf(m[0]) + ' ' + pf(m[3]) + ')'; } - if (heightScale > 2 && paintHeight > 1) { - newHeight = Math.ceil(paintHeight / 2); - heightScale /= paintHeight / newHeight; + if (m[0] === m[3] && m[1] === -m[2]) { + var a = Math.acos(m[0]) * 180 / Math.PI; + return 'rotate(' + pf(a) + ')'; + } + } else { + if (m[0] === 1 && m[1] === 0 && m[2] === 0 && m[3] === 1) { + return 'translate(' + pf(m[4]) + ' ' + pf(m[5]) + ')'; } - tmpCanvas = this.cachedCanvases.getCanvas(tmpCanvasId, newWidth, newHeight); - tmpCtx = tmpCanvas.context; - tmpCtx.clearRect(0, 0, newWidth, newHeight); - tmpCtx.drawImage(imgToPaint, 0, 0, paintWidth, paintHeight, 0, 0, newWidth, newHeight); - imgToPaint = tmpCanvas.canvas; - paintWidth = newWidth; - paintHeight = newHeight; - tmpCanvasId = tmpCanvasId === 'prescale1' ? 'prescale2' : 'prescale1'; } - ctx.drawImage(imgToPaint, 0, 0, paintWidth, paintHeight, 0, -height, width, height); - if (this.imageLayer) { - var position = this.getCanvasPosition(0, -height); - this.imageLayer.appendImage({ - imgData: imgData, - left: position[0], - top: position[1], - width: width / currentTransform[0], - height: height / currentTransform[3] + return 'matrix(' + pf(m[0]) + ' ' + pf(m[1]) + ' ' + pf(m[2]) + ' ' + pf(m[3]) + ' ' + pf(m[4]) + ' ' + pf(m[5]) + ')'; + } + function SVGGraphics(commonObjs, objs, forceDataSchema) { + this.svgFactory = new _dom_utils.DOMSVGFactory(); + this.current = new SVGExtraState(); + this.transformMatrix = _util.IDENTITY_MATRIX; + this.transformStack = []; + this.extraStack = []; + this.commonObjs = commonObjs; + this.objs = objs; + this.pendingClip = null; + this.pendingEOFill = false; + this.embedFonts = false; + this.embeddedFonts = Object.create(null); + this.cssStyle = null; + this.forceDataSchema = !!forceDataSchema; + } + var XML_NS = 'http://www.w3.org/XML/1998/namespace'; + var XLINK_NS = 'http://www.w3.org/1999/xlink'; + var LINE_CAP_STYLES = ['butt', 'round', 'square']; + var LINE_JOIN_STYLES = ['miter', 'round', 'bevel']; + var clipCount = 0; + var maskCount = 0; + SVGGraphics.prototype = { + save: function SVGGraphics_save() { + this.transformStack.push(this.transformMatrix); + var old = this.current; + this.extraStack.push(old); + this.current = old.clone(); + }, + restore: function SVGGraphics_restore() { + this.transformMatrix = this.transformStack.pop(); + this.current = this.extraStack.pop(); + this.pendingClip = null; + this.tgrp = null; + }, + group: function SVGGraphics_group(items) { + this.save(); + this.executeOpTree(items); + this.restore(); + }, + loadDependencies: function SVGGraphics_loadDependencies(operatorList) { + var _this = this; + + var fnArray = operatorList.fnArray; + var fnArrayLen = fnArray.length; + var argsArray = operatorList.argsArray; + for (var i = 0; i < fnArrayLen; i++) { + if (_util.OPS.dependency === fnArray[i]) { + var deps = argsArray[i]; + for (var n = 0, nn = deps.length; n < nn; n++) { + var obj = deps[n]; + var common = obj.substring(0, 2) === 'g_'; + var promise; + if (common) { + promise = new Promise(function (resolve) { + _this.commonObjs.get(obj, resolve); + }); + } else { + promise = new Promise(function (resolve) { + _this.objs.get(obj, resolve); + }); + } + this.current.dependencies.push(promise); + } + } + } + return Promise.all(this.current.dependencies); + }, + transform: function SVGGraphics_transform(a, b, c, d, e, f) { + var transformMatrix = [a, b, c, d, e, f]; + this.transformMatrix = _util.Util.transform(this.transformMatrix, transformMatrix); + this.tgrp = null; + }, + getSVG: function SVGGraphics_getSVG(operatorList, viewport) { + var _this2 = this; + + this.viewport = viewport; + var svgElement = this._initialize(viewport); + return this.loadDependencies(operatorList).then(function () { + _this2.transformMatrix = _util.IDENTITY_MATRIX; + var opTree = _this2.convertOpList(operatorList); + _this2.executeOpTree(opTree); + return svgElement; }); - } - this.restore(); - }, - paintInlineImageXObjectGroup: function CanvasGraphics_paintInlineImageXObjectGroup(imgData, map) { - var ctx = this.ctx; - var w = imgData.width; - var h = imgData.height; - var tmpCanvas = this.cachedCanvases.getCanvas('inlineImage', w, h); - var tmpCtx = tmpCanvas.context; - putBinaryImageData(tmpCtx, imgData); - for (var i = 0, ii = map.length; i < ii; i++) { - var entry = map[i]; - ctx.save(); - ctx.transform.apply(ctx, entry.transform); - ctx.scale(1, -1); - ctx.drawImage(tmpCanvas.canvas, entry.x, entry.y, entry.w, entry.h, 0, -1, 1, 1); - if (this.imageLayer) { - var position = this.getCanvasPosition(entry.x, entry.y); - this.imageLayer.appendImage({ - imgData: imgData, - left: position[0], - top: position[1], - width: w, - height: h + }, + convertOpList: function SVGGraphics_convertOpList(operatorList) { + var argsArray = operatorList.argsArray; + var fnArray = operatorList.fnArray; + var fnArrayLen = fnArray.length; + var REVOPS = []; + var opList = []; + for (var op in _util.OPS) { + REVOPS[_util.OPS[op]] = op; + } + for (var x = 0; x < fnArrayLen; x++) { + var fnId = fnArray[x]; + opList.push({ + 'fnId': fnId, + 'fn': REVOPS[fnId], + 'args': argsArray[x] }); } - ctx.restore(); - } - }, - paintSolidColorImageMask: function CanvasGraphics_paintSolidColorImageMask() { - this.ctx.fillRect(0, 0, 1, 1); - }, - paintXObject: function CanvasGraphics_paintXObject() { - (0, _util.warn)('Unsupported \'paintXObject\' command.'); - }, - markPoint: function CanvasGraphics_markPoint(tag) {}, - markPointProps: function CanvasGraphics_markPointProps(tag, properties) {}, - beginMarkedContent: function CanvasGraphics_beginMarkedContent(tag) {}, - beginMarkedContentProps: function CanvasGraphics_beginMarkedContentProps(tag, properties) {}, - endMarkedContent: function CanvasGraphics_endMarkedContent() {}, - beginCompat: function CanvasGraphics_beginCompat() {}, - endCompat: function CanvasGraphics_endCompat() {}, - consumePath: function CanvasGraphics_consumePath() { - var ctx = this.ctx; - if (this.pendingClip) { - if (this.pendingClip === EO_CLIP) { - ctx.clip('evenodd'); - } else { - ctx.clip(); + return opListToTree(opList); + }, + executeOpTree: function SVGGraphics_executeOpTree(opTree) { + var opTreeLen = opTree.length; + for (var x = 0; x < opTreeLen; x++) { + var fn = opTree[x].fn; + var fnId = opTree[x].fnId; + var args = opTree[x].args; + switch (fnId | 0) { + case _util.OPS.beginText: + this.beginText(); + break; + case _util.OPS.dependency: + break; + case _util.OPS.setLeading: + this.setLeading(args); + break; + case _util.OPS.setLeadingMoveText: + this.setLeadingMoveText(args[0], args[1]); + break; + case _util.OPS.setFont: + this.setFont(args); + break; + case _util.OPS.showText: + this.showText(args[0]); + break; + case _util.OPS.showSpacedText: + this.showText(args[0]); + break; + case _util.OPS.endText: + this.endText(); + break; + case _util.OPS.moveText: + this.moveText(args[0], args[1]); + break; + case _util.OPS.setCharSpacing: + this.setCharSpacing(args[0]); + break; + case _util.OPS.setWordSpacing: + this.setWordSpacing(args[0]); + break; + case _util.OPS.setHScale: + this.setHScale(args[0]); + break; + case _util.OPS.setTextMatrix: + this.setTextMatrix(args[0], args[1], args[2], args[3], args[4], args[5]); + break; + case _util.OPS.setTextRise: + this.setTextRise(args[0]); + break; + case _util.OPS.setTextRenderingMode: + this.setTextRenderingMode(args[0]); + break; + case _util.OPS.setLineWidth: + this.setLineWidth(args[0]); + break; + case _util.OPS.setLineJoin: + this.setLineJoin(args[0]); + break; + case _util.OPS.setLineCap: + this.setLineCap(args[0]); + break; + case _util.OPS.setMiterLimit: + this.setMiterLimit(args[0]); + break; + case _util.OPS.setFillRGBColor: + this.setFillRGBColor(args[0], args[1], args[2]); + break; + case _util.OPS.setStrokeRGBColor: + this.setStrokeRGBColor(args[0], args[1], args[2]); + break; + case _util.OPS.setDash: + this.setDash(args[0], args[1]); + break; + case _util.OPS.setGState: + this.setGState(args[0]); + break; + case _util.OPS.fill: + this.fill(); + break; + case _util.OPS.eoFill: + this.eoFill(); + break; + case _util.OPS.stroke: + this.stroke(); + break; + case _util.OPS.fillStroke: + this.fillStroke(); + break; + case _util.OPS.eoFillStroke: + this.eoFillStroke(); + break; + case _util.OPS.clip: + this.clip('nonzero'); + break; + case _util.OPS.eoClip: + this.clip('evenodd'); + break; + case _util.OPS.paintSolidColorImageMask: + this.paintSolidColorImageMask(); + break; + case _util.OPS.paintJpegXObject: + this.paintJpegXObject(args[0], args[1], args[2]); + break; + case _util.OPS.paintImageXObject: + this.paintImageXObject(args[0]); + break; + case _util.OPS.paintInlineImageXObject: + this.paintInlineImageXObject(args[0]); + break; + case _util.OPS.paintImageMaskXObject: + this.paintImageMaskXObject(args[0]); + break; + case _util.OPS.paintFormXObjectBegin: + this.paintFormXObjectBegin(args[0], args[1]); + break; + case _util.OPS.paintFormXObjectEnd: + this.paintFormXObjectEnd(); + break; + case _util.OPS.closePath: + this.closePath(); + break; + case _util.OPS.closeStroke: + this.closeStroke(); + break; + case _util.OPS.closeFillStroke: + this.closeFillStroke(); + break; + case _util.OPS.closeEOFillStroke: + this.closeEOFillStroke(); + break; + case _util.OPS.nextLine: + this.nextLine(); + break; + case _util.OPS.transform: + this.transform(args[0], args[1], args[2], args[3], args[4], args[5]); + break; + case _util.OPS.constructPath: + this.constructPath(args[0], args[1]); + break; + case _util.OPS.endPath: + this.endPath(); + break; + case 92: + this.group(opTree[x].items); + break; + default: + (0, _util.warn)('Unimplemented operator ' + fn); + break; + } + } + }, + setWordSpacing: function SVGGraphics_setWordSpacing(wordSpacing) { + this.current.wordSpacing = wordSpacing; + }, + setCharSpacing: function SVGGraphics_setCharSpacing(charSpacing) { + this.current.charSpacing = charSpacing; + }, + nextLine: function SVGGraphics_nextLine() { + this.moveText(0, this.current.leading); + }, + setTextMatrix: function SVGGraphics_setTextMatrix(a, b, c, d, e, f) { + var current = this.current; + this.current.textMatrix = this.current.lineMatrix = [a, b, c, d, e, f]; + this.current.x = this.current.lineX = 0; + this.current.y = this.current.lineY = 0; + current.xcoords = []; + current.tspan = this.svgFactory.createElement('svg:tspan'); + current.tspan.setAttributeNS(null, 'font-family', current.fontFamily); + current.tspan.setAttributeNS(null, 'font-size', pf(current.fontSize) + 'px'); + current.tspan.setAttributeNS(null, 'y', pf(-current.y)); + current.txtElement = this.svgFactory.createElement('svg:text'); + current.txtElement.appendChild(current.tspan); + }, + beginText: function SVGGraphics_beginText() { + this.current.x = this.current.lineX = 0; + this.current.y = this.current.lineY = 0; + this.current.textMatrix = _util.IDENTITY_MATRIX; + this.current.lineMatrix = _util.IDENTITY_MATRIX; + this.current.tspan = this.svgFactory.createElement('svg:tspan'); + this.current.txtElement = this.svgFactory.createElement('svg:text'); + this.current.txtgrp = this.svgFactory.createElement('svg:g'); + this.current.xcoords = []; + }, + moveText: function SVGGraphics_moveText(x, y) { + var current = this.current; + this.current.x = this.current.lineX += x; + this.current.y = this.current.lineY += y; + current.xcoords = []; + current.tspan = this.svgFactory.createElement('svg:tspan'); + current.tspan.setAttributeNS(null, 'font-family', current.fontFamily); + current.tspan.setAttributeNS(null, 'font-size', pf(current.fontSize) + 'px'); + current.tspan.setAttributeNS(null, 'y', pf(-current.y)); + }, + showText: function SVGGraphics_showText(glyphs) { + var current = this.current; + var font = current.font; + var fontSize = current.fontSize; + if (fontSize === 0) { + return; } - this.pendingClip = null; - } - ctx.beginPath(); - }, - getSinglePixelWidth: function CanvasGraphics_getSinglePixelWidth(scale) { - if (this.cachedGetSinglePixelWidth === null) { - this.ctx.save(); - var inverse = this.ctx.mozCurrentTransformInverse; - this.ctx.restore(); - this.cachedGetSinglePixelWidth = Math.sqrt(Math.max(inverse[0] * inverse[0] + inverse[1] * inverse[1], inverse[2] * inverse[2] + inverse[3] * inverse[3])); - } - return this.cachedGetSinglePixelWidth; - }, - getCanvasPosition: function CanvasGraphics_getCanvasPosition(x, y) { - var transform = this.ctx.mozCurrentTransform; - return [transform[0] * x + transform[2] * y + transform[4], transform[1] * x + transform[3] * y + transform[5]]; - } - }; - for (var op in _util.OPS) { - CanvasGraphics.prototype[_util.OPS[op]] = CanvasGraphics.prototype[op]; - } - return CanvasGraphics; -}(); -exports.CanvasGraphics = CanvasGraphics; - -/***/ }), -/* 12 */ -/***/ (function(module, exports, __w_pdfjs_require__) { - -"use strict"; - - -Object.defineProperty(exports, "__esModule", { - value: true -}); -exports.FontLoader = exports.FontFaceObject = undefined; - -var _util = __w_pdfjs_require__(0); - -function FontLoader(docId) { - this.docId = docId; - this.styleElement = null; - this.nativeFontFaces = []; - this.loadTestFontId = 0; - this.loadingContext = { - requests: [], - nextRequestId: 0 - }; -} -FontLoader.prototype = { - insertRule: function fontLoaderInsertRule(rule) { - var styleElement = this.styleElement; - if (!styleElement) { - styleElement = this.styleElement = document.createElement('style'); - styleElement.id = 'PDFJS_FONT_STYLE_TAG_' + this.docId; - document.documentElement.getElementsByTagName('head')[0].appendChild(styleElement); - } - var styleSheet = styleElement.sheet; - styleSheet.insertRule(rule, styleSheet.cssRules.length); - }, - clear: function fontLoaderClear() { - if (this.styleElement) { - this.styleElement.remove(); - this.styleElement = null; - } - this.nativeFontFaces.forEach(function (nativeFontFace) { - document.fonts.delete(nativeFontFace); - }); - this.nativeFontFaces.length = 0; - } -}; -{ - var getLoadTestFont = function getLoadTestFont() { - return atob('T1RUTwALAIAAAwAwQ0ZGIDHtZg4AAAOYAAAAgUZGVE1lkzZwAAAEHAAAABxHREVGABQAFQ' + 'AABDgAAAAeT1MvMlYNYwkAAAEgAAAAYGNtYXABDQLUAAACNAAAAUJoZWFk/xVFDQAAALwA' + 'AAA2aGhlYQdkA+oAAAD0AAAAJGhtdHgD6AAAAAAEWAAAAAZtYXhwAAJQAAAAARgAAAAGbm' + 'FtZVjmdH4AAAGAAAAAsXBvc3T/hgAzAAADeAAAACAAAQAAAAEAALZRFsRfDzz1AAsD6AAA' + 'AADOBOTLAAAAAM4KHDwAAAAAA+gDIQAAAAgAAgAAAAAAAAABAAADIQAAAFoD6AAAAAAD6A' + 'ABAAAAAAAAAAAAAAAAAAAAAQAAUAAAAgAAAAQD6AH0AAUAAAKKArwAAACMAooCvAAAAeAA' + 'MQECAAACAAYJAAAAAAAAAAAAAQAAAAAAAAAAAAAAAFBmRWQAwAAuAC4DIP84AFoDIQAAAA' + 'AAAQAAAAAAAAAAACAAIAABAAAADgCuAAEAAAAAAAAAAQAAAAEAAAAAAAEAAQAAAAEAAAAA' + 'AAIAAQAAAAEAAAAAAAMAAQAAAAEAAAAAAAQAAQAAAAEAAAAAAAUAAQAAAAEAAAAAAAYAAQ' + 'AAAAMAAQQJAAAAAgABAAMAAQQJAAEAAgABAAMAAQQJAAIAAgABAAMAAQQJAAMAAgABAAMA' + 'AQQJAAQAAgABAAMAAQQJAAUAAgABAAMAAQQJAAYAAgABWABYAAAAAAAAAwAAAAMAAAAcAA' + 'EAAAAAADwAAwABAAAAHAAEACAAAAAEAAQAAQAAAC7//wAAAC7////TAAEAAAAAAAABBgAA' + 'AQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAEAAAAAAA' + 'AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA' + 'AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA' + 'AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA' + 'AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMAAA' + 'AAAAD/gwAyAAAAAQAAAAAAAAAAAAAAAAAAAAABAAQEAAEBAQJYAAEBASH4DwD4GwHEAvgc' + 'A/gXBIwMAYuL+nz5tQXkD5j3CBLnEQACAQEBIVhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWF' + 'hYWFhYWFhYAAABAQAADwACAQEEE/t3Dov6fAH6fAT+fPp8+nwHDosMCvm1Cvm1DAz6fBQA' + 'AAAAAAABAAAAAMmJbzEAAAAAzgTjFQAAAADOBOQpAAEAAAAAAAAADAAUAAQAAAABAAAAAg' + 'ABAAAAAAAAAAAD6AAAAAAAAA=='); - }; - Object.defineProperty(FontLoader.prototype, 'loadTestFont', { - get: function get() { - return (0, _util.shadow)(this, 'loadTestFont', getLoadTestFont()); - }, - - configurable: true - }); - FontLoader.prototype.addNativeFontFace = function fontLoader_addNativeFontFace(nativeFontFace) { - this.nativeFontFaces.push(nativeFontFace); - document.fonts.add(nativeFontFace); - }; - FontLoader.prototype.bind = function fontLoaderBind(fonts, callback) { - var rules = []; - var fontsToLoad = []; - var fontLoadPromises = []; - var getNativeFontPromise = function getNativeFontPromise(nativeFontFace) { - return nativeFontFace.loaded.catch(function (e) { - (0, _util.warn)('Failed to load font "' + nativeFontFace.family + '": ' + e); - }); - }; - var isFontLoadingAPISupported = FontLoader.isFontLoadingAPISupported && !FontLoader.isSyncFontLoadingSupported; - for (var i = 0, ii = fonts.length; i < ii; i++) { - var font = fonts[i]; - if (font.attached || font.loading === false) { - continue; - } - font.attached = true; - if (isFontLoadingAPISupported) { - var nativeFontFace = font.createNativeFontFace(); - if (nativeFontFace) { - this.addNativeFontFace(nativeFontFace); - fontLoadPromises.push(getNativeFontPromise(nativeFontFace)); + var charSpacing = current.charSpacing; + var wordSpacing = current.wordSpacing; + var fontDirection = current.fontDirection; + var textHScale = current.textHScale * fontDirection; + var glyphsLength = glyphs.length; + var vertical = font.vertical; + var widthAdvanceScale = fontSize * current.fontMatrix[0]; + var x = 0, + i; + for (i = 0; i < glyphsLength; ++i) { + var glyph = glyphs[i]; + if (glyph === null) { + x += fontDirection * wordSpacing; + continue; + } else if ((0, _util.isNum)(glyph)) { + x += -glyph * fontSize * 0.001; + continue; + } + var width = glyph.width; + var character = glyph.fontChar; + var spacing = (glyph.isSpace ? wordSpacing : 0) + charSpacing; + var charWidth = width * widthAdvanceScale + spacing * fontDirection; + if (!glyph.isInFont && !font.missingFile) { + x += charWidth; + continue; + } + current.xcoords.push(current.x + x * textHScale); + current.tspan.textContent += character; + x += charWidth; } - } else { - var rule = font.createFontFaceRule(); - if (rule) { - this.insertRule(rule); - rules.push(rule); - fontsToLoad.push(font); + if (vertical) { + current.y -= x * textHScale; + } else { + current.x += x * textHScale; } - } - } - var request = this.queueLoadingCallback(callback); - if (isFontLoadingAPISupported) { - Promise.all(fontLoadPromises).then(function () { - request.complete(); - }); - } else if (rules.length > 0 && !FontLoader.isSyncFontLoadingSupported) { - this.prepareFontLoadEvent(rules, fontsToLoad, request); - } else { - request.complete(); - } - }; - FontLoader.prototype.queueLoadingCallback = function FontLoader_queueLoadingCallback(callback) { - function LoadLoader_completeRequest() { - (0, _util.assert)(!request.end, 'completeRequest() cannot be called twice'); - request.end = Date.now(); - while (context.requests.length > 0 && context.requests[0].end) { - var otherRequest = context.requests.shift(); - setTimeout(otherRequest.callback, 0); - } - } - var context = this.loadingContext; - var requestId = 'pdfjs-font-loading-' + context.nextRequestId++; - var request = { - id: requestId, - complete: LoadLoader_completeRequest, - callback: callback, - started: Date.now() - }; - context.requests.push(request); - return request; - }; - FontLoader.prototype.prepareFontLoadEvent = function fontLoaderPrepareFontLoadEvent(rules, fonts, request) { - function int32(data, offset) { - return data.charCodeAt(offset) << 24 | data.charCodeAt(offset + 1) << 16 | data.charCodeAt(offset + 2) << 8 | data.charCodeAt(offset + 3) & 0xff; - } - function spliceString(s, offset, remove, insert) { - var chunk1 = s.substr(0, offset); - var chunk2 = s.substr(offset + remove); - return chunk1 + insert + chunk2; - } - var i, ii; - var canvas = document.createElement('canvas'); - canvas.width = 1; - canvas.height = 1; - var ctx = canvas.getContext('2d'); - var called = 0; - function isFontReady(name, callback) { - called++; - if (called > 30) { - (0, _util.warn)('Load test font never loaded.'); - callback(); - return; - } - ctx.font = '30px ' + name; - ctx.fillText('.', 0, 20); - var imageData = ctx.getImageData(0, 0, 1, 1); - if (imageData.data[3] > 0) { - callback(); - return; - } - setTimeout(isFontReady.bind(null, name, callback)); - } - var loadTestFontId = 'lt' + Date.now() + this.loadTestFontId++; - var data = this.loadTestFont; - var COMMENT_OFFSET = 976; - data = spliceString(data, COMMENT_OFFSET, loadTestFontId.length, loadTestFontId); - var CFF_CHECKSUM_OFFSET = 16; - var XXXX_VALUE = 0x58585858; - var checksum = int32(data, CFF_CHECKSUM_OFFSET); - for (i = 0, ii = loadTestFontId.length - 3; i < ii; i += 4) { - checksum = checksum - XXXX_VALUE + int32(loadTestFontId, i) | 0; - } - if (i < loadTestFontId.length) { - checksum = checksum - XXXX_VALUE + int32(loadTestFontId + 'XXX', i) | 0; - } - data = spliceString(data, CFF_CHECKSUM_OFFSET, 4, (0, _util.string32)(checksum)); - var url = 'url(data:font/opentype;base64,' + btoa(data) + ');'; - var rule = '@font-face { font-family:"' + loadTestFontId + '";src:' + url + '}'; - this.insertRule(rule); - var names = []; - for (i = 0, ii = fonts.length; i < ii; i++) { - names.push(fonts[i].loadedName); - } - names.push(loadTestFontId); - var div = document.createElement('div'); - div.setAttribute('style', 'visibility: hidden;' + 'width: 10px; height: 10px;' + 'position: absolute; top: 0px; left: 0px;'); - for (i = 0, ii = names.length; i < ii; ++i) { - var span = document.createElement('span'); - span.textContent = 'Hi'; - span.style.fontFamily = names[i]; - div.appendChild(span); - } - document.body.appendChild(div); - isFontReady(loadTestFontId, function () { - document.body.removeChild(div); - request.complete(); - }); - }; -} -{ - FontLoader.isFontLoadingAPISupported = typeof document !== 'undefined' && !!document.fonts; -} -{ - var isSyncFontLoadingSupported = function isSyncFontLoadingSupported() { - if (typeof navigator === 'undefined') { - return true; - } - var supported = false; - var m = /Mozilla\/5.0.*?rv:(\d+).*? Gecko/.exec(navigator.userAgent); - if (m && m[1] >= 14) { - supported = true; - } - return supported; - }; - Object.defineProperty(FontLoader, 'isSyncFontLoadingSupported', { - get: function get() { - return (0, _util.shadow)(FontLoader, 'isSyncFontLoadingSupported', isSyncFontLoadingSupported()); - }, - - enumerable: true, - configurable: true - }); -} -var IsEvalSupportedCached = { - get value() { - return (0, _util.shadow)(this, 'value', (0, _util.isEvalSupported)()); - } -}; -var FontFaceObject = function FontFaceObjectClosure() { - function FontFaceObject(translatedData, options) { - this.compiledGlyphs = Object.create(null); - for (var i in translatedData) { - this[i] = translatedData[i]; - } - this.options = options; - } - FontFaceObject.prototype = { - createNativeFontFace: function FontFaceObject_createNativeFontFace() { - if (!this.data) { - return null; - } - if (this.options.disableFontFace) { - this.disableFontFace = true; - return null; - } - var nativeFontFace = new FontFace(this.loadedName, this.data, {}); - if (this.options.fontRegistry) { - this.options.fontRegistry.registerFont(this); - } - return nativeFontFace; - }, - createFontFaceRule: function FontFaceObject_createFontFaceRule() { - if (!this.data) { - return null; - } - if (this.options.disableFontFace) { - this.disableFontFace = true; - return null; - } - var data = (0, _util.bytesToString)(new Uint8Array(this.data)); - var fontName = this.loadedName; - var url = 'url(data:' + this.mimetype + ';base64,' + btoa(data) + ');'; - var rule = '@font-face { font-family:"' + fontName + '";src:' + url + '}'; - if (this.options.fontRegistry) { - this.options.fontRegistry.registerFont(this, url); - } - return rule; - }, - getPathGenerator: function FontFaceObject_getPathGenerator(objs, character) { - if (!(character in this.compiledGlyphs)) { - var cmds = objs.get(this.loadedName + '_path_' + character); - var current, i, len; - if (this.options.isEvalSupported && IsEvalSupportedCached.value) { - var args, - js = ''; - for (i = 0, len = cmds.length; i < len; i++) { - current = cmds[i]; - if (current.args !== undefined) { - args = current.args.join(','); - } else { - args = ''; - } - js += 'c.' + current.cmd + '(' + args + ');\n'; + current.tspan.setAttributeNS(null, 'x', current.xcoords.map(pf).join(' ')); + current.tspan.setAttributeNS(null, 'y', pf(-current.y)); + current.tspan.setAttributeNS(null, 'font-family', current.fontFamily); + current.tspan.setAttributeNS(null, 'font-size', pf(current.fontSize) + 'px'); + if (current.fontStyle !== SVG_DEFAULTS.fontStyle) { + current.tspan.setAttributeNS(null, 'font-style', current.fontStyle); + } + if (current.fontWeight !== SVG_DEFAULTS.fontWeight) { + current.tspan.setAttributeNS(null, 'font-weight', current.fontWeight); + } + var fillStrokeMode = current.textRenderingMode & _util.TextRenderingMode.FILL_STROKE_MASK; + if (fillStrokeMode === _util.TextRenderingMode.FILL || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) { + if (current.fillColor !== SVG_DEFAULTS.fillColor) { + current.tspan.setAttributeNS(null, 'fill', current.fillColor); } - this.compiledGlyphs[character] = new Function('c', 'size', js); + if (current.fillAlpha < 1) { + current.tspan.setAttributeNS(null, 'fill-opacity', current.fillAlpha); + } + } else if (current.textRenderingMode === _util.TextRenderingMode.ADD_TO_PATH) { + current.tspan.setAttributeNS(null, 'fill', 'transparent'); } else { - this.compiledGlyphs[character] = function (c, size) { - for (i = 0, len = cmds.length; i < len; i++) { - current = cmds[i]; - if (current.cmd === 'scale') { - current.args = [size, -size]; - } - c[current.cmd].apply(c, current.args); - } - }; + current.tspan.setAttributeNS(null, 'fill', 'none'); } - } - return this.compiledGlyphs[character]; - } - }; - return FontFaceObject; -}(); -exports.FontFaceObject = FontFaceObject; -exports.FontLoader = FontLoader; - -/***/ }), -/* 13 */ -/***/ (function(module, exports, __w_pdfjs_require__) { - -"use strict"; - - -Object.defineProperty(exports, "__esModule", { - value: true -}); -exports.TilingPattern = exports.getShadingPatternFromIR = undefined; - -var _util = __w_pdfjs_require__(0); - -var _webgl = __w_pdfjs_require__(7); + if (fillStrokeMode === _util.TextRenderingMode.STROKE || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) { + this._setStrokeAttributes(current.tspan); + } + var textMatrix = current.textMatrix; + if (current.textRise !== 0) { + textMatrix = textMatrix.slice(); + textMatrix[5] += current.textRise; + } + current.txtElement.setAttributeNS(null, 'transform', pm(textMatrix) + ' scale(1, -1)'); + current.txtElement.setAttributeNS(XML_NS, 'xml:space', 'preserve'); + current.txtElement.appendChild(current.tspan); + current.txtgrp.appendChild(current.txtElement); + this._ensureTransformGroup().appendChild(current.txtElement); + }, + setLeadingMoveText: function SVGGraphics_setLeadingMoveText(x, y) { + this.setLeading(-y); + this.moveText(x, y); + }, + addFontStyle: function SVGGraphics_addFontStyle(fontObj) { + if (!this.cssStyle) { + this.cssStyle = this.svgFactory.createElement('svg:style'); + this.cssStyle.setAttributeNS(null, 'type', 'text/css'); + this.defs.appendChild(this.cssStyle); + } + var url = (0, _util.createObjectURL)(fontObj.data, fontObj.mimetype, this.forceDataSchema); + this.cssStyle.textContent += '@font-face { font-family: "' + fontObj.loadedName + '";' + ' src: url(' + url + '); }\n'; + }, + setFont: function SVGGraphics_setFont(details) { + var current = this.current; + var fontObj = this.commonObjs.get(details[0]); + var size = details[1]; + this.current.font = fontObj; + if (this.embedFonts && fontObj.data && !this.embeddedFonts[fontObj.loadedName]) { + this.addFontStyle(fontObj); + this.embeddedFonts[fontObj.loadedName] = fontObj; + } + current.fontMatrix = fontObj.fontMatrix ? fontObj.fontMatrix : _util.FONT_IDENTITY_MATRIX; + var bold = fontObj.black ? fontObj.bold ? 'bolder' : 'bold' : fontObj.bold ? 'bold' : 'normal'; + var italic = fontObj.italic ? 'italic' : 'normal'; + if (size < 0) { + size = -size; + current.fontDirection = -1; + } else { + current.fontDirection = 1; + } + current.fontSize = size; + current.fontFamily = fontObj.loadedName; + current.fontWeight = bold; + current.fontStyle = italic; + current.tspan = this.svgFactory.createElement('svg:tspan'); + current.tspan.setAttributeNS(null, 'y', pf(-current.y)); + current.xcoords = []; + }, + endText: function endText() { + var current = this.current; + if (current.textRenderingMode & _util.TextRenderingMode.ADD_TO_PATH_FLAG && current.txtElement && current.txtElement.hasChildNodes()) { + current.element = current.txtElement; + this.clip('nonzero'); + this.endPath(); + } + }, -var ShadingIRs = {}; -ShadingIRs.RadialAxial = { - fromIR: function RadialAxial_fromIR(raw) { - var type = raw[1]; - var colorStops = raw[2]; - var p0 = raw[3]; - var p1 = raw[4]; - var r0 = raw[5]; - var r1 = raw[6]; - return { - type: 'Pattern', - getPattern: function RadialAxial_getPattern(ctx) { - var grad; - if (type === 'axial') { - grad = ctx.createLinearGradient(p0[0], p0[1], p1[0], p1[1]); - } else if (type === 'radial') { - grad = ctx.createRadialGradient(p0[0], p0[1], r0, p1[0], p1[1], r1); + setLineWidth: function SVGGraphics_setLineWidth(width) { + this.current.lineWidth = width; + }, + setLineCap: function SVGGraphics_setLineCap(style) { + this.current.lineCap = LINE_CAP_STYLES[style]; + }, + setLineJoin: function SVGGraphics_setLineJoin(style) { + this.current.lineJoin = LINE_JOIN_STYLES[style]; + }, + setMiterLimit: function SVGGraphics_setMiterLimit(limit) { + this.current.miterLimit = limit; + }, + setStrokeAlpha: function SVGGraphics_setStrokeAlpha(strokeAlpha) { + this.current.strokeAlpha = strokeAlpha; + }, + setStrokeRGBColor: function SVGGraphics_setStrokeRGBColor(r, g, b) { + var color = _util.Util.makeCssRgb(r, g, b); + this.current.strokeColor = color; + }, + setFillAlpha: function SVGGraphics_setFillAlpha(fillAlpha) { + this.current.fillAlpha = fillAlpha; + }, + setFillRGBColor: function SVGGraphics_setFillRGBColor(r, g, b) { + var color = _util.Util.makeCssRgb(r, g, b); + this.current.fillColor = color; + this.current.tspan = this.svgFactory.createElement('svg:tspan'); + this.current.xcoords = []; + }, + setDash: function SVGGraphics_setDash(dashArray, dashPhase) { + this.current.dashArray = dashArray; + this.current.dashPhase = dashPhase; + }, + constructPath: function SVGGraphics_constructPath(ops, args) { + var current = this.current; + var x = current.x, + y = current.y; + current.path = this.svgFactory.createElement('svg:path'); + var d = []; + var opLength = ops.length; + for (var i = 0, j = 0; i < opLength; i++) { + switch (ops[i] | 0) { + case _util.OPS.rectangle: + x = args[j++]; + y = args[j++]; + var width = args[j++]; + var height = args[j++]; + var xw = x + width; + var yh = y + height; + d.push('M', pf(x), pf(y), 'L', pf(xw), pf(y), 'L', pf(xw), pf(yh), 'L', pf(x), pf(yh), 'Z'); + break; + case _util.OPS.moveTo: + x = args[j++]; + y = args[j++]; + d.push('M', pf(x), pf(y)); + break; + case _util.OPS.lineTo: + x = args[j++]; + y = args[j++]; + d.push('L', pf(x), pf(y)); + break; + case _util.OPS.curveTo: + x = args[j + 4]; + y = args[j + 5]; + d.push('C', pf(args[j]), pf(args[j + 1]), pf(args[j + 2]), pf(args[j + 3]), pf(x), pf(y)); + j += 6; + break; + case _util.OPS.curveTo2: + x = args[j + 2]; + y = args[j + 3]; + d.push('C', pf(x), pf(y), pf(args[j]), pf(args[j + 1]), pf(args[j + 2]), pf(args[j + 3])); + j += 4; + break; + case _util.OPS.curveTo3: + x = args[j + 2]; + y = args[j + 3]; + d.push('C', pf(args[j]), pf(args[j + 1]), pf(x), pf(y), pf(x), pf(y)); + j += 4; + break; + case _util.OPS.closePath: + d.push('Z'); + break; + } } - for (var i = 0, ii = colorStops.length; i < ii; ++i) { - var c = colorStops[i]; - grad.addColorStop(c[0], c[1]); + current.path.setAttributeNS(null, 'd', d.join(' ')); + current.path.setAttributeNS(null, 'fill', 'none'); + this._ensureTransformGroup().appendChild(current.path); + current.element = current.path; + current.setCurrentPoint(x, y); + }, + endPath: function SVGGraphics_endPath() { + if (!this.pendingClip) { + return; } - return grad; - } - }; - } -}; -var createMeshCanvas = function createMeshCanvasClosure() { - function drawTriangle(data, context, p1, p2, p3, c1, c2, c3) { - var coords = context.coords, - colors = context.colors; - var bytes = data.data, - rowSize = data.width * 4; - var tmp; - if (coords[p1 + 1] > coords[p2 + 1]) { - tmp = p1; - p1 = p2; - p2 = tmp; - tmp = c1; - c1 = c2; - c2 = tmp; - } - if (coords[p2 + 1] > coords[p3 + 1]) { - tmp = p2; - p2 = p3; - p3 = tmp; - tmp = c2; - c2 = c3; - c3 = tmp; - } - if (coords[p1 + 1] > coords[p2 + 1]) { - tmp = p1; - p1 = p2; - p2 = tmp; - tmp = c1; - c1 = c2; - c2 = tmp; - } - var x1 = (coords[p1] + context.offsetX) * context.scaleX; - var y1 = (coords[p1 + 1] + context.offsetY) * context.scaleY; - var x2 = (coords[p2] + context.offsetX) * context.scaleX; - var y2 = (coords[p2 + 1] + context.offsetY) * context.scaleY; - var x3 = (coords[p3] + context.offsetX) * context.scaleX; - var y3 = (coords[p3 + 1] + context.offsetY) * context.scaleY; - if (y1 >= y3) { - return; - } - var c1r = colors[c1], - c1g = colors[c1 + 1], - c1b = colors[c1 + 2]; - var c2r = colors[c2], - c2g = colors[c2 + 1], - c2b = colors[c2 + 2]; - var c3r = colors[c3], - c3g = colors[c3 + 1], - c3b = colors[c3 + 2]; - var minY = Math.round(y1), - maxY = Math.round(y3); - var xa, car, cag, cab; - var xb, cbr, cbg, cbb; - var k; - for (var y = minY; y <= maxY; y++) { - if (y < y2) { - k = y < y1 ? 0 : y1 === y2 ? 1 : (y1 - y) / (y1 - y2); - xa = x1 - (x1 - x2) * k; - car = c1r - (c1r - c2r) * k; - cag = c1g - (c1g - c2g) * k; - cab = c1b - (c1b - c2b) * k; - } else { - k = y > y3 ? 1 : y2 === y3 ? 0 : (y2 - y) / (y2 - y3); - xa = x2 - (x2 - x3) * k; - car = c2r - (c2r - c3r) * k; - cag = c2g - (c2g - c3g) * k; - cab = c2b - (c2b - c3b) * k; - } - k = y < y1 ? 0 : y > y3 ? 1 : (y1 - y) / (y1 - y3); - xb = x1 - (x1 - x3) * k; - cbr = c1r - (c1r - c3r) * k; - cbg = c1g - (c1g - c3g) * k; - cbb = c1b - (c1b - c3b) * k; - var x1_ = Math.round(Math.min(xa, xb)); - var x2_ = Math.round(Math.max(xa, xb)); - var j = rowSize * y + x1_ * 4; - for (var x = x1_; x <= x2_; x++) { - k = (xa - x) / (xa - xb); - k = k < 0 ? 0 : k > 1 ? 1 : k; - bytes[j++] = car - (car - cbr) * k | 0; - bytes[j++] = cag - (cag - cbg) * k | 0; - bytes[j++] = cab - (cab - cbb) * k | 0; - bytes[j++] = 255; - } - } - } - function drawFigure(data, figure, context) { - var ps = figure.coords; - var cs = figure.colors; - var i, ii; - switch (figure.type) { - case 'lattice': - var verticesPerRow = figure.verticesPerRow; - var rows = Math.floor(ps.length / verticesPerRow) - 1; - var cols = verticesPerRow - 1; - for (i = 0; i < rows; i++) { - var q = i * verticesPerRow; - for (var j = 0; j < cols; j++, q++) { - drawTriangle(data, context, ps[q], ps[q + 1], ps[q + verticesPerRow], cs[q], cs[q + 1], cs[q + verticesPerRow]); - drawTriangle(data, context, ps[q + verticesPerRow + 1], ps[q + 1], ps[q + verticesPerRow], cs[q + verticesPerRow + 1], cs[q + 1], cs[q + verticesPerRow]); + var current = this.current; + var clipId = 'clippath' + clipCount; + clipCount++; + var clipPath = this.svgFactory.createElement('svg:clipPath'); + clipPath.setAttributeNS(null, 'id', clipId); + clipPath.setAttributeNS(null, 'transform', pm(this.transformMatrix)); + var clipElement = current.element.cloneNode(true); + if (this.pendingClip === 'evenodd') { + clipElement.setAttributeNS(null, 'clip-rule', 'evenodd'); + } else { + clipElement.setAttributeNS(null, 'clip-rule', 'nonzero'); + } + this.pendingClip = null; + clipPath.appendChild(clipElement); + this.defs.appendChild(clipPath); + if (current.activeClipUrl) { + current.clipGroup = null; + this.extraStack.forEach(function (prev) { + prev.clipGroup = null; + }); + clipPath.setAttributeNS(null, 'clip-path', current.activeClipUrl); + } + current.activeClipUrl = 'url(#' + clipId + ')'; + this.tgrp = null; + }, + clip: function SVGGraphics_clip(type) { + this.pendingClip = type; + }, + closePath: function SVGGraphics_closePath() { + var current = this.current; + if (current.path) { + var d = current.path.getAttributeNS(null, 'd'); + d += 'Z'; + current.path.setAttributeNS(null, 'd', d); + } + }, + setLeading: function SVGGraphics_setLeading(leading) { + this.current.leading = -leading; + }, + setTextRise: function SVGGraphics_setTextRise(textRise) { + this.current.textRise = textRise; + }, + setTextRenderingMode: function setTextRenderingMode(textRenderingMode) { + this.current.textRenderingMode = textRenderingMode; + }, + + setHScale: function SVGGraphics_setHScale(scale) { + this.current.textHScale = scale / 100; + }, + setGState: function SVGGraphics_setGState(states) { + for (var i = 0, ii = states.length; i < ii; i++) { + var state = states[i]; + var key = state[0]; + var value = state[1]; + switch (key) { + case 'LW': + this.setLineWidth(value); + break; + case 'LC': + this.setLineCap(value); + break; + case 'LJ': + this.setLineJoin(value); + break; + case 'ML': + this.setMiterLimit(value); + break; + case 'D': + this.setDash(value[0], value[1]); + break; + case 'Font': + this.setFont(value); + break; + case 'CA': + this.setStrokeAlpha(value); + break; + case 'ca': + this.setFillAlpha(value); + break; + default: + (0, _util.warn)('Unimplemented graphic state ' + key); + break; } } - break; - case 'triangles': - for (i = 0, ii = ps.length; i < ii; i += 3) { - drawTriangle(data, context, ps[i], ps[i + 1], ps[i + 2], cs[i], cs[i + 1], cs[i + 2]); + }, + fill: function SVGGraphics_fill() { + var current = this.current; + if (current.element) { + current.element.setAttributeNS(null, 'fill', current.fillColor); + current.element.setAttributeNS(null, 'fill-opacity', current.fillAlpha); + this.endPath(); } - break; - default: - throw new Error('illegal figure'); - } - } - function createMeshCanvas(bounds, combinesScale, coords, colors, figures, backgroundColor, cachedCanvases) { - var EXPECTED_SCALE = 1.1; - var MAX_PATTERN_SIZE = 3000; - var BORDER_SIZE = 2; - var offsetX = Math.floor(bounds[0]); - var offsetY = Math.floor(bounds[1]); - var boundsWidth = Math.ceil(bounds[2]) - offsetX; - var boundsHeight = Math.ceil(bounds[3]) - offsetY; - var width = Math.min(Math.ceil(Math.abs(boundsWidth * combinesScale[0] * EXPECTED_SCALE)), MAX_PATTERN_SIZE); - var height = Math.min(Math.ceil(Math.abs(boundsHeight * combinesScale[1] * EXPECTED_SCALE)), MAX_PATTERN_SIZE); - var scaleX = boundsWidth / width; - var scaleY = boundsHeight / height; - var context = { - coords: coords, - colors: colors, - offsetX: -offsetX, - offsetY: -offsetY, - scaleX: 1 / scaleX, - scaleY: 1 / scaleY - }; - var paddedWidth = width + BORDER_SIZE * 2; - var paddedHeight = height + BORDER_SIZE * 2; - var canvas, tmpCanvas, i, ii; - if (_webgl.WebGLUtils.isEnabled) { - canvas = _webgl.WebGLUtils.drawFigures(width, height, backgroundColor, figures, context); - tmpCanvas = cachedCanvases.getCanvas('mesh', paddedWidth, paddedHeight, false); - tmpCanvas.context.drawImage(canvas, BORDER_SIZE, BORDER_SIZE); - canvas = tmpCanvas.canvas; - } else { - tmpCanvas = cachedCanvases.getCanvas('mesh', paddedWidth, paddedHeight, false); - var tmpCtx = tmpCanvas.context; - var data = tmpCtx.createImageData(width, height); - if (backgroundColor) { - var bytes = data.data; - for (i = 0, ii = bytes.length; i < ii; i += 4) { - bytes[i] = backgroundColor[0]; - bytes[i + 1] = backgroundColor[1]; - bytes[i + 2] = backgroundColor[2]; - bytes[i + 3] = 255; + }, + stroke: function SVGGraphics_stroke() { + var current = this.current; + if (current.element) { + this._setStrokeAttributes(current.element); + current.element.setAttributeNS(null, 'fill', 'none'); + this.endPath(); + } + }, + _setStrokeAttributes: function _setStrokeAttributes(element) { + var current = this.current; + element.setAttributeNS(null, 'stroke', current.strokeColor); + element.setAttributeNS(null, 'stroke-opacity', current.strokeAlpha); + element.setAttributeNS(null, 'stroke-miterlimit', pf(current.miterLimit)); + element.setAttributeNS(null, 'stroke-linecap', current.lineCap); + element.setAttributeNS(null, 'stroke-linejoin', current.lineJoin); + element.setAttributeNS(null, 'stroke-width', pf(current.lineWidth) + 'px'); + element.setAttributeNS(null, 'stroke-dasharray', current.dashArray.map(pf).join(' ')); + element.setAttributeNS(null, 'stroke-dashoffset', pf(current.dashPhase) + 'px'); + }, + + eoFill: function SVGGraphics_eoFill() { + if (this.current.element) { + this.current.element.setAttributeNS(null, 'fill-rule', 'evenodd'); } - } - for (i = 0; i < figures.length; i++) { - drawFigure(data, figures[i], context); - } - tmpCtx.putImageData(data, BORDER_SIZE, BORDER_SIZE); - canvas = tmpCanvas.canvas; - } - return { - canvas: canvas, - offsetX: offsetX - BORDER_SIZE * scaleX, - offsetY: offsetY - BORDER_SIZE * scaleY, - scaleX: scaleX, - scaleY: scaleY - }; - } - return createMeshCanvas; -}(); -ShadingIRs.Mesh = { - fromIR: function Mesh_fromIR(raw) { - var coords = raw[2]; - var colors = raw[3]; - var figures = raw[4]; - var bounds = raw[5]; - var matrix = raw[6]; - var background = raw[8]; - return { - type: 'Pattern', - getPattern: function Mesh_getPattern(ctx, owner, shadingFill) { - var scale; - if (shadingFill) { - scale = _util.Util.singularValueDecompose2dScale(ctx.mozCurrentTransform); + this.fill(); + }, + fillStroke: function SVGGraphics_fillStroke() { + this.stroke(); + this.fill(); + }, + eoFillStroke: function SVGGraphics_eoFillStroke() { + if (this.current.element) { + this.current.element.setAttributeNS(null, 'fill-rule', 'evenodd'); + } + this.fillStroke(); + }, + closeStroke: function SVGGraphics_closeStroke() { + this.closePath(); + this.stroke(); + }, + closeFillStroke: function SVGGraphics_closeFillStroke() { + this.closePath(); + this.fillStroke(); + }, + closeEOFillStroke: function closeEOFillStroke() { + this.closePath(); + this.eoFillStroke(); + }, + + paintSolidColorImageMask: function SVGGraphics_paintSolidColorImageMask() { + var current = this.current; + var rect = this.svgFactory.createElement('svg:rect'); + rect.setAttributeNS(null, 'x', '0'); + rect.setAttributeNS(null, 'y', '0'); + rect.setAttributeNS(null, 'width', '1px'); + rect.setAttributeNS(null, 'height', '1px'); + rect.setAttributeNS(null, 'fill', current.fillColor); + this._ensureTransformGroup().appendChild(rect); + }, + paintJpegXObject: function SVGGraphics_paintJpegXObject(objId, w, h) { + var imgObj = this.objs.get(objId); + var imgEl = this.svgFactory.createElement('svg:image'); + imgEl.setAttributeNS(XLINK_NS, 'xlink:href', imgObj.src); + imgEl.setAttributeNS(null, 'width', pf(w)); + imgEl.setAttributeNS(null, 'height', pf(h)); + imgEl.setAttributeNS(null, 'x', '0'); + imgEl.setAttributeNS(null, 'y', pf(-h)); + imgEl.setAttributeNS(null, 'transform', 'scale(' + pf(1 / w) + ' ' + pf(-1 / h) + ')'); + this._ensureTransformGroup().appendChild(imgEl); + }, + paintImageXObject: function SVGGraphics_paintImageXObject(objId) { + var imgData = this.objs.get(objId); + if (!imgData) { + (0, _util.warn)('Dependent image isn\'t ready yet'); + return; + } + this.paintInlineImageXObject(imgData); + }, + paintInlineImageXObject: function SVGGraphics_paintInlineImageXObject(imgData, mask) { + var width = imgData.width; + var height = imgData.height; + var imgSrc = convertImgDataToPng(imgData, this.forceDataSchema, !!mask); + var cliprect = this.svgFactory.createElement('svg:rect'); + cliprect.setAttributeNS(null, 'x', '0'); + cliprect.setAttributeNS(null, 'y', '0'); + cliprect.setAttributeNS(null, 'width', pf(width)); + cliprect.setAttributeNS(null, 'height', pf(height)); + this.current.element = cliprect; + this.clip('nonzero'); + var imgEl = this.svgFactory.createElement('svg:image'); + imgEl.setAttributeNS(XLINK_NS, 'xlink:href', imgSrc); + imgEl.setAttributeNS(null, 'x', '0'); + imgEl.setAttributeNS(null, 'y', pf(-height)); + imgEl.setAttributeNS(null, 'width', pf(width) + 'px'); + imgEl.setAttributeNS(null, 'height', pf(height) + 'px'); + imgEl.setAttributeNS(null, 'transform', 'scale(' + pf(1 / width) + ' ' + pf(-1 / height) + ')'); + if (mask) { + mask.appendChild(imgEl); } else { - scale = _util.Util.singularValueDecompose2dScale(owner.baseTransform); - if (matrix) { - var matrixScale = _util.Util.singularValueDecompose2dScale(matrix); - scale = [scale[0] * matrixScale[0], scale[1] * matrixScale[1]]; - } + this._ensureTransformGroup().appendChild(imgEl); } - var temporaryPatternCanvas = createMeshCanvas(bounds, scale, coords, colors, figures, shadingFill ? null : background, owner.cachedCanvases); - if (!shadingFill) { - ctx.setTransform.apply(ctx, owner.baseTransform); - if (matrix) { - ctx.transform.apply(ctx, matrix); - } + }, + paintImageMaskXObject: function SVGGraphics_paintImageMaskXObject(imgData) { + var current = this.current; + var width = imgData.width; + var height = imgData.height; + var fillColor = current.fillColor; + current.maskId = 'mask' + maskCount++; + var mask = this.svgFactory.createElement('svg:mask'); + mask.setAttributeNS(null, 'id', current.maskId); + var rect = this.svgFactory.createElement('svg:rect'); + rect.setAttributeNS(null, 'x', '0'); + rect.setAttributeNS(null, 'y', '0'); + rect.setAttributeNS(null, 'width', pf(width)); + rect.setAttributeNS(null, 'height', pf(height)); + rect.setAttributeNS(null, 'fill', fillColor); + rect.setAttributeNS(null, 'mask', 'url(#' + current.maskId + ')'); + this.defs.appendChild(mask); + this._ensureTransformGroup().appendChild(rect); + this.paintInlineImageXObject(imgData, mask); + }, + paintFormXObjectBegin: function SVGGraphics_paintFormXObjectBegin(matrix, bbox) { + if (Array.isArray(matrix) && matrix.length === 6) { + this.transform(matrix[0], matrix[1], matrix[2], matrix[3], matrix[4], matrix[5]); } - ctx.translate(temporaryPatternCanvas.offsetX, temporaryPatternCanvas.offsetY); - ctx.scale(temporaryPatternCanvas.scaleX, temporaryPatternCanvas.scaleY); - return ctx.createPattern(temporaryPatternCanvas.canvas, 'no-repeat'); - } - }; - } -}; -ShadingIRs.Dummy = { - fromIR: function Dummy_fromIR() { - return { - type: 'Pattern', - getPattern: function Dummy_fromIR_getPattern() { - return 'hotpink'; - } - }; - } -}; -function getShadingPatternFromIR(raw) { - var shadingIR = ShadingIRs[raw[0]]; - if (!shadingIR) { - throw new Error('Unknown IR type: ' + raw[0]); - } - return shadingIR.fromIR(raw); -} -var TilingPattern = function TilingPatternClosure() { - var PaintType = { - COLORED: 1, - UNCOLORED: 2 - }; - var MAX_PATTERN_SIZE = 3000; - function TilingPattern(IR, color, ctx, canvasGraphicsFactory, baseTransform) { - this.operatorList = IR[2]; - this.matrix = IR[3] || [1, 0, 0, 1, 0, 0]; - this.bbox = IR[4]; - this.xstep = IR[5]; - this.ystep = IR[6]; - this.paintType = IR[7]; - this.tilingType = IR[8]; - this.color = color; - this.canvasGraphicsFactory = canvasGraphicsFactory; - this.baseTransform = baseTransform; - this.type = 'Pattern'; - this.ctx = ctx; - } - TilingPattern.prototype = { - createPatternCanvas: function TilinPattern_createPatternCanvas(owner) { - var operatorList = this.operatorList; - var bbox = this.bbox; - var xstep = this.xstep; - var ystep = this.ystep; - var paintType = this.paintType; - var tilingType = this.tilingType; - var color = this.color; - var canvasGraphicsFactory = this.canvasGraphicsFactory; - (0, _util.info)('TilingType: ' + tilingType); - var x0 = bbox[0], - y0 = bbox[1], - x1 = bbox[2], - y1 = bbox[3]; - var topLeft = [x0, y0]; - var botRight = [x0 + xstep, y0 + ystep]; - var width = botRight[0] - topLeft[0]; - var height = botRight[1] - topLeft[1]; - var matrixScale = _util.Util.singularValueDecompose2dScale(this.matrix); - var curMatrixScale = _util.Util.singularValueDecompose2dScale(this.baseTransform); - var combinedScale = [matrixScale[0] * curMatrixScale[0], matrixScale[1] * curMatrixScale[1]]; - width = Math.min(Math.ceil(Math.abs(width * combinedScale[0])), MAX_PATTERN_SIZE); - height = Math.min(Math.ceil(Math.abs(height * combinedScale[1])), MAX_PATTERN_SIZE); - var tmpCanvas = owner.cachedCanvases.getCanvas('pattern', width, height, true); - var tmpCtx = tmpCanvas.context; - var graphics = canvasGraphicsFactory.createCanvasGraphics(tmpCtx); - graphics.groupLevel = owner.groupLevel; - this.setFillAndStrokeStyleToContext(tmpCtx, paintType, color); - this.setScale(width, height, xstep, ystep); - this.transformToScale(graphics); - var tmpTranslate = [1, 0, 0, 1, -topLeft[0], -topLeft[1]]; - graphics.transform.apply(graphics, tmpTranslate); - this.clipBbox(graphics, bbox, x0, y0, x1, y1); - graphics.executeOperatorList(operatorList); - return tmpCanvas.canvas; - }, - setScale: function TilingPattern_setScale(width, height, xstep, ystep) { - this.scale = [width / xstep, height / ystep]; - }, - transformToScale: function TilingPattern_transformToScale(graphics) { - var scale = this.scale; - var tmpScale = [scale[0], 0, 0, scale[1], 0, 0]; - graphics.transform.apply(graphics, tmpScale); - }, - scaleToContext: function TilingPattern_scaleToContext() { - var scale = this.scale; - this.ctx.scale(1 / scale[0], 1 / scale[1]); - }, - clipBbox: function clipBbox(graphics, bbox, x0, y0, x1, y1) { - if ((0, _util.isArray)(bbox) && bbox.length === 4) { - var bboxWidth = x1 - x0; - var bboxHeight = y1 - y0; - graphics.ctx.rect(x0, y0, bboxWidth, bboxHeight); - graphics.clip(); - graphics.endPath(); - } - }, - setFillAndStrokeStyleToContext: function setFillAndStrokeStyleToContext(context, paintType, color) { - switch (paintType) { - case PaintType.COLORED: - var ctx = this.ctx; - context.fillStyle = ctx.fillStyle; - context.strokeStyle = ctx.strokeStyle; - break; - case PaintType.UNCOLORED: - var cssColor = _util.Util.makeCssRgb(color[0], color[1], color[2]); - context.fillStyle = cssColor; - context.strokeStyle = cssColor; - break; - default: - throw new _util.FormatError('Unsupported paint type: ' + paintType); + if (Array.isArray(bbox) && bbox.length === 4) { + var width = bbox[2] - bbox[0]; + var height = bbox[3] - bbox[1]; + var cliprect = this.svgFactory.createElement('svg:rect'); + cliprect.setAttributeNS(null, 'x', bbox[0]); + cliprect.setAttributeNS(null, 'y', bbox[1]); + cliprect.setAttributeNS(null, 'width', pf(width)); + cliprect.setAttributeNS(null, 'height', pf(height)); + this.current.element = cliprect; + this.clip('nonzero'); + this.endPath(); + } + }, + paintFormXObjectEnd: function SVGGraphics_paintFormXObjectEnd() {}, + _initialize: function _initialize(viewport) { + var svg = this.svgFactory.create(viewport.width, viewport.height); + var definitions = this.svgFactory.createElement('svg:defs'); + svg.appendChild(definitions); + this.defs = definitions; + var rootGroup = this.svgFactory.createElement('svg:g'); + rootGroup.setAttributeNS(null, 'transform', pm(viewport.transform)); + svg.appendChild(rootGroup); + this.svg = rootGroup; + return svg; + }, + + _ensureClipGroup: function SVGGraphics_ensureClipGroup() { + if (!this.current.clipGroup) { + var clipGroup = this.svgFactory.createElement('svg:g'); + clipGroup.setAttributeNS(null, 'clip-path', this.current.activeClipUrl); + this.svg.appendChild(clipGroup); + this.current.clipGroup = clipGroup; + } + return this.current.clipGroup; + }, + _ensureTransformGroup: function SVGGraphics_ensureTransformGroup() { + if (!this.tgrp) { + this.tgrp = this.svgFactory.createElement('svg:g'); + this.tgrp.setAttributeNS(null, 'transform', pm(this.transformMatrix)); + if (this.current.activeClipUrl) { + this._ensureClipGroup().appendChild(this.tgrp); + } else { + this.svg.appendChild(this.tgrp); + } + } + return this.tgrp; } - }, - getPattern: function TilingPattern_getPattern(ctx, owner) { - var temporaryPatternCanvas = this.createPatternCanvas(owner); - ctx = this.ctx; - ctx.setTransform.apply(ctx, this.baseTransform); - ctx.transform.apply(ctx, this.matrix); - this.scaleToContext(); - return ctx.createPattern(temporaryPatternCanvas, 'repeat'); - } - }; - return TilingPattern; -}(); -exports.getShadingPatternFromIR = getShadingPatternFromIR; -exports.TilingPattern = TilingPattern; + }; + return SVGGraphics; + }(); +} +exports.SVGGraphics = SVGGraphics; /***/ }), -/* 14 */ +/* 148 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; @@ -12096,1825 +17673,1691 @@ exports.TilingPattern = TilingPattern; Object.defineProperty(exports, "__esModule", { value: true }); -exports.PDFDataTransportStream = undefined; +exports.PDFNodeStream = undefined; -var _util = __w_pdfjs_require__(0); +var _regenerator = __w_pdfjs_require__(137); -var PDFDataTransportStream = function PDFDataTransportStreamClosure() { - function PDFDataTransportStream(params, pdfDataRangeTransport) { - var _this = this; +var _regenerator2 = _interopRequireDefault(_regenerator); - (0, _util.assert)(pdfDataRangeTransport); - this._queuedChunks = []; - var initialData = params.initialData; - if (initialData && initialData.length > 0) { - var buffer = new Uint8Array(initialData).buffer; - this._queuedChunks.push(buffer); +var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }(); + +var _util = __w_pdfjs_require__(1); + +var _network_utils = __w_pdfjs_require__(149); + +function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } + +function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; } + +function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; } + +function _asyncToGenerator(fn) { return function () { var gen = fn.apply(this, arguments); return new Promise(function (resolve, reject) { function step(key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { return Promise.resolve(value).then(function (value) { step("next", value); }, function (err) { step("throw", err); }); } } return step("next"); }); }; } + +function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } + +var fs = require('fs'); +var http = require('http'); +var https = require('https'); +var url = require('url'); + +var fileUriRegex = /^file:\/\/\/[a-zA-Z]:\//; +function parseUrl(sourceUrl) { + var parsedUrl = url.parse(sourceUrl); + if (parsedUrl.protocol === 'file:' || parsedUrl.host) { + return parsedUrl; + } + if (/^[a-z]:[/\\]/i.test(sourceUrl)) { + return url.parse('file:///' + sourceUrl); + } + if (!parsedUrl.host) { + parsedUrl.protocol = 'file:'; + } + return parsedUrl; +} + +var PDFNodeStream = function () { + function PDFNodeStream(source) { + _classCallCheck(this, PDFNodeStream); + + this.source = source; + this.url = parseUrl(source.url); + this.isHttp = this.url.protocol === 'http:' || this.url.protocol === 'https:'; + this.isFsUrl = this.url.protocol === 'file:'; + this.httpHeaders = this.isHttp && source.httpHeaders || {}; + this._fullRequest = null; + this._rangeRequestReaders = []; + } + + _createClass(PDFNodeStream, [{ + key: 'getFullReader', + value: function getFullReader() { + (0, _util.assert)(!this._fullRequest); + this._fullRequest = this.isFsUrl ? new PDFNodeStreamFsFullReader(this) : new PDFNodeStreamFullReader(this); + return this._fullRequest; } - this._pdfDataRangeTransport = pdfDataRangeTransport; - this._isRangeSupported = !params.disableRange; - this._isStreamingSupported = !params.disableStream; - this._contentLength = params.length; - this._fullRequestReader = null; - this._rangeReaders = []; - this._pdfDataRangeTransport.addRangeListener(function (begin, chunk) { - _this._onReceiveData({ - begin: begin, - chunk: chunk + }, { + key: 'getRangeReader', + value: function getRangeReader(start, end) { + var rangeReader = this.isFsUrl ? new PDFNodeStreamFsRangeReader(this, start, end) : new PDFNodeStreamRangeReader(this, start, end); + this._rangeRequestReaders.push(rangeReader); + return rangeReader; + } + }, { + key: 'cancelAllRequests', + value: function cancelAllRequests(reason) { + if (this._fullRequest) { + this._fullRequest.cancel(reason); + } + var readers = this._rangeRequestReaders.slice(0); + readers.forEach(function (reader) { + reader.cancel(reason); }); - }); - this._pdfDataRangeTransport.addProgressListener(function (loaded) { - _this._onProgress({ loaded: loaded }); - }); - this._pdfDataRangeTransport.addProgressiveReadListener(function (chunk) { - _this._onReceiveData({ chunk: chunk }); - }); - this._pdfDataRangeTransport.transportReady(); + } + }]); + + return PDFNodeStream; +}(); + +var BaseFullReader = function () { + function BaseFullReader(stream) { + _classCallCheck(this, BaseFullReader); + + this._url = stream.url; + this._done = false; + this._storedError = null; + this.onProgress = null; + var source = stream.source; + this._contentLength = source.length; + this._loaded = 0; + this._filename = null; + this._disableRange = source.disableRange || false; + this._rangeChunkSize = source.rangeChunkSize; + if (!this._rangeChunkSize && !this._disableRange) { + this._disableRange = true; + } + this._isStreamingSupported = !source.disableStream; + this._isRangeSupported = !source.disableRange; + this._readableStream = null; + this._readCapability = (0, _util.createPromiseCapability)(); + this._headersCapability = (0, _util.createPromiseCapability)(); } - PDFDataTransportStream.prototype = { - _onReceiveData: function PDFDataTransportStream_onReceiveData(args) { - var buffer = new Uint8Array(args.chunk).buffer; - if (args.begin === undefined) { - if (this._fullRequestReader) { - this._fullRequestReader._enqueue(buffer); - } else { - this._queuedChunks.push(buffer); - } - } else { - var found = this._rangeReaders.some(function (rangeReader) { - if (rangeReader._begin !== args.begin) { - return false; + + _createClass(BaseFullReader, [{ + key: 'read', + value: function () { + var _ref = _asyncToGenerator( /*#__PURE__*/_regenerator2.default.mark(function _callee() { + var chunk, buffer; + return _regenerator2.default.wrap(function _callee$(_context) { + while (1) { + switch (_context.prev = _context.next) { + case 0: + _context.next = 2; + return this._readCapability.promise; + + case 2: + if (!this._done) { + _context.next = 4; + break; + } + + return _context.abrupt('return', { + value: undefined, + done: true + }); + + case 4: + if (!this._storedError) { + _context.next = 6; + break; + } + + throw this._storedError; + + case 6: + chunk = this._readableStream.read(); + + if (!(chunk === null)) { + _context.next = 10; + break; + } + + this._readCapability = (0, _util.createPromiseCapability)(); + return _context.abrupt('return', this.read()); + + case 10: + this._loaded += chunk.length; + if (this.onProgress) { + this.onProgress({ + loaded: this._loaded, + total: this._contentLength + }); + } + buffer = new Uint8Array(chunk).buffer; + return _context.abrupt('return', { + value: buffer, + done: false + }); + + case 14: + case 'end': + return _context.stop(); + } } - rangeReader._enqueue(buffer); - return true; - }); - (0, _util.assert)(found); + }, _callee, this); + })); + + function read() { + return _ref.apply(this, arguments); } - }, - _onProgress: function PDFDataTransportStream_onDataProgress(evt) { - if (this._rangeReaders.length > 0) { - var firstReader = this._rangeReaders[0]; - if (firstReader.onProgress) { - firstReader.onProgress({ loaded: evt.loaded }); - } + + return read; + }() + }, { + key: 'cancel', + value: function cancel(reason) { + if (!this._readableStream) { + this._error(reason); + return; } - }, - _removeRangeReader: function PDFDataTransportStream_removeRangeReader(reader) { - var i = this._rangeReaders.indexOf(reader); - if (i >= 0) { - this._rangeReaders.splice(i, 1); + this._readableStream.destroy(reason); + } + }, { + key: '_error', + value: function _error(reason) { + this._storedError = reason; + this._readCapability.resolve(); + } + }, { + key: '_setReadableStream', + value: function _setReadableStream(readableStream) { + var _this = this; + + this._readableStream = readableStream; + readableStream.on('readable', function () { + _this._readCapability.resolve(); + }); + readableStream.on('end', function () { + readableStream.destroy(); + _this._done = true; + _this._readCapability.resolve(); + }); + readableStream.on('error', function (reason) { + _this._error(reason); + }); + if (!this._isStreamingSupported && this._isRangeSupported) { + this._error(new _util.AbortException('streaming is disabled')); } - }, - getFullReader: function PDFDataTransportStream_getFullReader() { - (0, _util.assert)(!this._fullRequestReader); - var queuedChunks = this._queuedChunks; - this._queuedChunks = null; - return new PDFDataTransportStreamReader(this, queuedChunks); - }, - getRangeReader: function PDFDataTransportStream_getRangeReader(begin, end) { - var reader = new PDFDataTransportStreamRangeReader(this, begin, end); - this._pdfDataRangeTransport.requestDataRange(begin, end); - this._rangeReaders.push(reader); - return reader; - }, - cancelAllRequests: function PDFDataTransportStream_cancelAllRequests(reason) { - if (this._fullRequestReader) { - this._fullRequestReader.cancel(reason); + if (this._storedError) { + this._readableStream.destroy(this._storedError); } - var readers = this._rangeReaders.slice(0); - readers.forEach(function (rangeReader) { - rangeReader.cancel(reason); - }); - this._pdfDataRangeTransport.abort(); } - }; - function PDFDataTransportStreamReader(stream, queuedChunks) { - this._stream = stream; + }, { + key: 'headersReady', + get: function get() { + return this._headersCapability.promise; + } + }, { + key: 'filename', + get: function get() { + return this._filename; + } + }, { + key: 'contentLength', + get: function get() { + return this._contentLength; + } + }, { + key: 'isRangeSupported', + get: function get() { + return this._isRangeSupported; + } + }, { + key: 'isStreamingSupported', + get: function get() { + return this._isStreamingSupported; + } + }]); + + return BaseFullReader; +}(); + +var BaseRangeReader = function () { + function BaseRangeReader(stream) { + _classCallCheck(this, BaseRangeReader); + + this._url = stream.url; this._done = false; - this._queuedChunks = queuedChunks || []; - this._requests = []; - this._headersReady = Promise.resolve(); - stream._fullRequestReader = this; + this._storedError = null; this.onProgress = null; + this._loaded = 0; + this._readableStream = null; + this._readCapability = (0, _util.createPromiseCapability)(); + var source = stream.source; + this._isStreamingSupported = !source.disableStream; } - PDFDataTransportStreamReader.prototype = { - _enqueue: function PDFDataTransportStreamReader_enqueue(chunk) { - if (this._done) { - return; - } - if (this._requests.length > 0) { - var requestCapability = this._requests.shift(); - requestCapability.resolve({ - value: chunk, - done: false - }); - return; - } - this._queuedChunks.push(chunk); - }, - get headersReady() { - return this._headersReady; - }, - get isRangeSupported() { - return this._stream._isRangeSupported; - }, - get isStreamingSupported() { - return this._stream._isStreamingSupported; - }, - get contentLength() { - return this._stream._contentLength; - }, - read: function PDFDataTransportStreamReader_read() { - if (this._queuedChunks.length > 0) { - var chunk = this._queuedChunks.shift(); - return Promise.resolve({ - value: chunk, - done: false - }); + + _createClass(BaseRangeReader, [{ + key: 'read', + value: function () { + var _ref2 = _asyncToGenerator( /*#__PURE__*/_regenerator2.default.mark(function _callee2() { + var chunk, buffer; + return _regenerator2.default.wrap(function _callee2$(_context2) { + while (1) { + switch (_context2.prev = _context2.next) { + case 0: + _context2.next = 2; + return this._readCapability.promise; + + case 2: + if (!this._done) { + _context2.next = 4; + break; + } + + return _context2.abrupt('return', { + value: undefined, + done: true + }); + + case 4: + if (!this._storedError) { + _context2.next = 6; + break; + } + + throw this._storedError; + + case 6: + chunk = this._readableStream.read(); + + if (!(chunk === null)) { + _context2.next = 10; + break; + } + + this._readCapability = (0, _util.createPromiseCapability)(); + return _context2.abrupt('return', this.read()); + + case 10: + this._loaded += chunk.length; + if (this.onProgress) { + this.onProgress({ loaded: this._loaded }); + } + buffer = new Uint8Array(chunk).buffer; + return _context2.abrupt('return', { + value: buffer, + done: false + }); + + case 14: + case 'end': + return _context2.stop(); + } + } + }, _callee2, this); + })); + + function read() { + return _ref2.apply(this, arguments); } - if (this._done) { - return Promise.resolve({ - value: undefined, - done: true - }); + + return read; + }() + }, { + key: 'cancel', + value: function cancel(reason) { + if (!this._readableStream) { + this._error(reason); + return; } - var requestCapability = (0, _util.createPromiseCapability)(); - this._requests.push(requestCapability); - return requestCapability.promise; - }, - cancel: function PDFDataTransportStreamReader_cancel(reason) { - this._done = true; - this._requests.forEach(function (requestCapability) { - requestCapability.resolve({ - value: undefined, - done: true - }); + this._readableStream.destroy(reason); + } + }, { + key: '_error', + value: function _error(reason) { + this._storedError = reason; + this._readCapability.resolve(); + } + }, { + key: '_setReadableStream', + value: function _setReadableStream(readableStream) { + var _this2 = this; + + this._readableStream = readableStream; + readableStream.on('readable', function () { + _this2._readCapability.resolve(); }); - this._requests = []; + readableStream.on('end', function () { + readableStream.destroy(); + _this2._done = true; + _this2._readCapability.resolve(); + }); + readableStream.on('error', function (reason) { + _this2._error(reason); + }); + if (this._storedError) { + this._readableStream.destroy(this._storedError); + } } + }, { + key: 'isStreamingSupported', + get: function get() { + return this._isStreamingSupported; + } + }]); + + return BaseRangeReader; +}(); + +function createRequestOptions(url, headers) { + return { + protocol: url.protocol, + auth: url.auth, + host: url.hostname, + port: url.port, + path: url.path, + method: 'GET', + headers: headers }; - function PDFDataTransportStreamRangeReader(stream, begin, end) { - this._stream = stream; - this._begin = begin; - this._end = end; - this._queuedChunk = null; - this._requests = []; - this._done = false; - this.onProgress = null; - } - PDFDataTransportStreamRangeReader.prototype = { - _enqueue: function PDFDataTransportStreamRangeReader_enqueue(chunk) { - if (this._done) { +} + +var PDFNodeStreamFullReader = function (_BaseFullReader) { + _inherits(PDFNodeStreamFullReader, _BaseFullReader); + + function PDFNodeStreamFullReader(stream) { + _classCallCheck(this, PDFNodeStreamFullReader); + + var _this3 = _possibleConstructorReturn(this, (PDFNodeStreamFullReader.__proto__ || Object.getPrototypeOf(PDFNodeStreamFullReader)).call(this, stream)); + + var handleResponse = function handleResponse(response) { + if (response.statusCode === 404) { + var error = new _util.MissingPDFException('Missing PDF "' + _this3._url + '".'); + _this3._storedError = error; + _this3._headersCapability.reject(error); return; } - if (this._requests.length === 0) { - this._queuedChunk = chunk; - } else { - var requestsCapability = this._requests.shift(); - requestsCapability.resolve({ - value: chunk, - done: false - }); - this._requests.forEach(function (requestCapability) { - requestCapability.resolve({ - value: undefined, - done: true - }); - }); - this._requests = []; + _this3._headersCapability.resolve(); + _this3._setReadableStream(response); + var getResponseHeader = function getResponseHeader(name) { + return _this3._readableStream.headers[name.toLowerCase()]; + }; + + var _validateRangeRequest = (0, _network_utils.validateRangeRequestCapabilities)({ + getResponseHeader: getResponseHeader, + isHttp: stream.isHttp, + rangeChunkSize: _this3._rangeChunkSize, + disableRange: _this3._disableRange + }), + allowRangeRequests = _validateRangeRequest.allowRangeRequests, + suggestedLength = _validateRangeRequest.suggestedLength; + + _this3._isRangeSupported = allowRangeRequests; + _this3._contentLength = suggestedLength || _this3._contentLength; + _this3._filename = (0, _network_utils.extractFilenameFromHeader)(getResponseHeader); + }; + _this3._request = null; + if (_this3._url.protocol === 'http:') { + _this3._request = http.request(createRequestOptions(_this3._url, stream.httpHeaders), handleResponse); + } else { + _this3._request = https.request(createRequestOptions(_this3._url, stream.httpHeaders), handleResponse); + } + _this3._request.on('error', function (reason) { + _this3._storedError = reason; + _this3._headersCapability.reject(reason); + }); + _this3._request.end(); + return _this3; + } + + return PDFNodeStreamFullReader; +}(BaseFullReader); + +var PDFNodeStreamRangeReader = function (_BaseRangeReader) { + _inherits(PDFNodeStreamRangeReader, _BaseRangeReader); + + function PDFNodeStreamRangeReader(stream, start, end) { + _classCallCheck(this, PDFNodeStreamRangeReader); + + var _this4 = _possibleConstructorReturn(this, (PDFNodeStreamRangeReader.__proto__ || Object.getPrototypeOf(PDFNodeStreamRangeReader)).call(this, stream)); + + _this4._httpHeaders = {}; + for (var property in stream.httpHeaders) { + var value = stream.httpHeaders[property]; + if (typeof value === 'undefined') { + continue; } - this._done = true; - this._stream._removeRangeReader(this); - }, - get isStreamingSupported() { - return false; - }, - read: function PDFDataTransportStreamRangeReader_read() { - if (this._queuedChunk) { - var chunk = this._queuedChunk; - this._queuedChunk = null; - return Promise.resolve({ - value: chunk, - done: false - }); + _this4._httpHeaders[property] = value; + } + _this4._httpHeaders['Range'] = 'bytes=' + start + '-' + (end - 1); + var handleResponse = function handleResponse(response) { + if (response.statusCode === 404) { + var error = new _util.MissingPDFException('Missing PDF "' + _this4._url + '".'); + _this4._storedError = error; + return; } - if (this._done) { - return Promise.resolve({ - value: undefined, - done: true - }); + _this4._setReadableStream(response); + }; + _this4._request = null; + if (_this4._url.protocol === 'http:') { + _this4._request = http.request(createRequestOptions(_this4._url, _this4._httpHeaders), handleResponse); + } else { + _this4._request = https.request(createRequestOptions(_this4._url, _this4._httpHeaders), handleResponse); + } + _this4._request.on('error', function (reason) { + _this4._storedError = reason; + }); + _this4._request.end(); + return _this4; + } + + return PDFNodeStreamRangeReader; +}(BaseRangeReader); + +var PDFNodeStreamFsFullReader = function (_BaseFullReader2) { + _inherits(PDFNodeStreamFsFullReader, _BaseFullReader2); + + function PDFNodeStreamFsFullReader(stream) { + _classCallCheck(this, PDFNodeStreamFsFullReader); + + var _this5 = _possibleConstructorReturn(this, (PDFNodeStreamFsFullReader.__proto__ || Object.getPrototypeOf(PDFNodeStreamFsFullReader)).call(this, stream)); + + var path = decodeURIComponent(_this5._url.path); + if (fileUriRegex.test(_this5._url.href)) { + path = path.replace(/^\//, ''); + } + fs.lstat(path, function (error, stat) { + if (error) { + if (error.code === 'ENOENT') { + error = new _util.MissingPDFException('Missing PDF "' + path + '".'); + } + _this5._storedError = error; + _this5._headersCapability.reject(error); + return; } - var requestCapability = (0, _util.createPromiseCapability)(); - this._requests.push(requestCapability); - return requestCapability.promise; - }, - cancel: function PDFDataTransportStreamRangeReader_cancel(reason) { - this._done = true; - this._requests.forEach(function (requestCapability) { - requestCapability.resolve({ - value: undefined, - done: true - }); - }); - this._requests = []; - this._stream._removeRangeReader(this); + _this5._contentLength = stat.size; + _this5._setReadableStream(fs.createReadStream(path)); + _this5._headersCapability.resolve(); + }); + return _this5; + } + + return PDFNodeStreamFsFullReader; +}(BaseFullReader); + +var PDFNodeStreamFsRangeReader = function (_BaseRangeReader2) { + _inherits(PDFNodeStreamFsRangeReader, _BaseRangeReader2); + + function PDFNodeStreamFsRangeReader(stream, start, end) { + _classCallCheck(this, PDFNodeStreamFsRangeReader); + + var _this6 = _possibleConstructorReturn(this, (PDFNodeStreamFsRangeReader.__proto__ || Object.getPrototypeOf(PDFNodeStreamFsRangeReader)).call(this, stream)); + + var path = decodeURIComponent(_this6._url.path); + if (fileUriRegex.test(_this6._url.href)) { + path = path.replace(/^\//, ''); } - }; - return PDFDataTransportStream; -}(); -exports.PDFDataTransportStream = PDFDataTransportStream; + _this6._setReadableStream(fs.createReadStream(path, { + start: start, + end: end - 1 + })); + return _this6; + } + + return PDFNodeStreamFsRangeReader; +}(BaseRangeReader); + +exports.PDFNodeStream = PDFNodeStream; /***/ }), -/* 15 */ +/* 149 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; -var pdfjsVersion = '1.9.426'; -var pdfjsBuild = '2558a58d'; -var pdfjsSharedUtil = __w_pdfjs_require__(0); -var pdfjsDisplayGlobal = __w_pdfjs_require__(8); -var pdfjsDisplayAPI = __w_pdfjs_require__(2); -var pdfjsDisplayTextLayer = __w_pdfjs_require__(5); -var pdfjsDisplayAnnotationLayer = __w_pdfjs_require__(3); -var pdfjsDisplayDOMUtils = __w_pdfjs_require__(1); -var pdfjsDisplaySVG = __w_pdfjs_require__(4); -{ - __w_pdfjs_require__(9); +Object.defineProperty(exports, "__esModule", { + value: true +}); +exports.validateResponseStatus = exports.validateRangeRequestCapabilities = exports.extractFilenameFromHeader = exports.createResponseStatusError = undefined; + +var _util = __w_pdfjs_require__(1); + +var _content_disposition = __w_pdfjs_require__(150); + +function validateRangeRequestCapabilities(_ref) { + var getResponseHeader = _ref.getResponseHeader, + isHttp = _ref.isHttp, + rangeChunkSize = _ref.rangeChunkSize, + disableRange = _ref.disableRange; + + (0, _util.assert)(rangeChunkSize > 0, 'Range chunk size must be larger than zero'); + var returnValues = { + allowRangeRequests: false, + suggestedLength: undefined + }; + var length = parseInt(getResponseHeader('Content-Length'), 10); + if (!Number.isInteger(length)) { + return returnValues; + } + returnValues.suggestedLength = length; + if (length <= 2 * rangeChunkSize) { + return returnValues; + } + if (disableRange || !isHttp) { + return returnValues; + } + if (getResponseHeader('Accept-Ranges') !== 'bytes') { + return returnValues; + } + var contentEncoding = getResponseHeader('Content-Encoding') || 'identity'; + if (contentEncoding !== 'identity') { + return returnValues; + } + returnValues.allowRangeRequests = true; + return returnValues; } -exports.PDFJS = pdfjsDisplayGlobal.PDFJS; -exports.build = pdfjsDisplayAPI.build; -exports.version = pdfjsDisplayAPI.version; -exports.getDocument = pdfjsDisplayAPI.getDocument; -exports.LoopbackPort = pdfjsDisplayAPI.LoopbackPort; -exports.PDFDataRangeTransport = pdfjsDisplayAPI.PDFDataRangeTransport; -exports.PDFWorker = pdfjsDisplayAPI.PDFWorker; -exports.renderTextLayer = pdfjsDisplayTextLayer.renderTextLayer; -exports.AnnotationLayer = pdfjsDisplayAnnotationLayer.AnnotationLayer; -exports.CustomStyle = pdfjsDisplayDOMUtils.CustomStyle; -exports.createPromiseCapability = pdfjsSharedUtil.createPromiseCapability; -exports.PasswordResponses = pdfjsSharedUtil.PasswordResponses; -exports.InvalidPDFException = pdfjsSharedUtil.InvalidPDFException; -exports.MissingPDFException = pdfjsSharedUtil.MissingPDFException; -exports.SVGGraphics = pdfjsDisplaySVG.SVGGraphics; -exports.NativeImageDecoding = pdfjsSharedUtil.NativeImageDecoding; -exports.UnexpectedResponseException = pdfjsSharedUtil.UnexpectedResponseException; -exports.OPS = pdfjsSharedUtil.OPS; -exports.UNSUPPORTED_FEATURES = pdfjsSharedUtil.UNSUPPORTED_FEATURES; -exports.isValidUrl = pdfjsDisplayDOMUtils.isValidUrl; -exports.createValidAbsoluteUrl = pdfjsSharedUtil.createValidAbsoluteUrl; -exports.createObjectURL = pdfjsSharedUtil.createObjectURL; -exports.removeNullCharacters = pdfjsSharedUtil.removeNullCharacters; -exports.shadow = pdfjsSharedUtil.shadow; -exports.createBlob = pdfjsSharedUtil.createBlob; -exports.RenderingCancelledException = pdfjsDisplayDOMUtils.RenderingCancelledException; -exports.getFilenameFromUrl = pdfjsDisplayDOMUtils.getFilenameFromUrl; -exports.addLinkAttributes = pdfjsDisplayDOMUtils.addLinkAttributes; -exports.StatTimer = pdfjsSharedUtil.StatTimer; +function extractFilenameFromHeader(getResponseHeader) { + var contentDisposition = getResponseHeader('Content-Disposition'); + if (contentDisposition) { + var filename = (0, _content_disposition.getFilenameFromContentDispositionHeader)(contentDisposition); + if (/\.pdf$/i.test(filename)) { + return filename; + } + } + return null; +} +function createResponseStatusError(status, url) { + if (status === 404 || status === 0 && /^file:/.test(url)) { + return new _util.MissingPDFException('Missing PDF "' + url + '".'); + } + return new _util.UnexpectedResponseException('Unexpected server response (' + status + ') while retrieving PDF "' + url + '".', status); +} +function validateResponseStatus(status) { + return status === 200 || status === 206; +} +exports.createResponseStatusError = createResponseStatusError; +exports.extractFilenameFromHeader = extractFilenameFromHeader; +exports.validateRangeRequestCapabilities = validateRangeRequestCapabilities; +exports.validateResponseStatus = validateResponseStatus; /***/ }), -/* 16 */ +/* 150 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; -var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; +Object.defineProperty(exports, "__esModule", { + value: true +}); -if (typeof PDFJS === 'undefined' || !PDFJS.compatibilityChecked) { - var globalScope = typeof window !== 'undefined' && window.Math === Math ? window : typeof global !== 'undefined' && global.Math === Math ? global : typeof self !== 'undefined' && self.Math === Math ? self : false ? undefined : {}; - var userAgent = typeof navigator !== 'undefined' && navigator.userAgent || ''; - var isAndroid = /Android/.test(userAgent); - var isAndroidPre3 = /Android\s[0-2][^\d]/.test(userAgent); - var isAndroidPre5 = /Android\s[0-4][^\d]/.test(userAgent); - var isChrome = userAgent.indexOf('Chrom') >= 0; - var isChromeWithRangeBug = /Chrome\/(39|40)\./.test(userAgent); - var isIOSChrome = userAgent.indexOf('CriOS') >= 0; - var isIE = userAgent.indexOf('Trident') >= 0; - var isIOS = /\b(iPad|iPhone|iPod)(?=;)/.test(userAgent); - var isOpera = userAgent.indexOf('Opera') >= 0; - var isSafari = /Safari\//.test(userAgent) && !/(Chrome\/|Android\s)/.test(userAgent); - var hasDOM = (typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object' && (typeof document === 'undefined' ? 'undefined' : _typeof(document)) === 'object'; - if (typeof PDFJS === 'undefined') { - globalScope.PDFJS = {}; - } - PDFJS.compatibilityChecked = true; - (function checkTypedArrayCompatibility() { - if (typeof Uint8Array !== 'undefined') { - if (typeof Uint8Array.prototype.subarray === 'undefined') { - Uint8Array.prototype.subarray = function subarray(start, end) { - return new Uint8Array(this.slice(start, end)); - }; - Float32Array.prototype.subarray = function subarray(start, end) { - return new Float32Array(this.slice(start, end)); - }; +var _slicedToArray = function () { function sliceIterator(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"]) _i["return"](); } finally { if (_d) throw _e; } } return _arr; } return function (arr, i) { if (Array.isArray(arr)) { return arr; } else if (Symbol.iterator in Object(arr)) { return sliceIterator(arr, i); } else { throw new TypeError("Invalid attempt to destructure non-iterable instance"); } }; }(); + +function getFilenameFromContentDispositionHeader(contentDisposition) { + var needsEncodingFixup = true; + var tmp = toParamRegExp('filename\\*', 'i').exec(contentDisposition); + if (tmp) { + tmp = tmp[1]; + var filename = rfc2616unquote(tmp); + filename = unescape(filename); + filename = rfc5987decode(filename); + filename = rfc2047decode(filename); + return fixupEncoding(filename); + } + tmp = rfc2231getparam(contentDisposition); + if (tmp) { + var _filename = rfc2047decode(tmp); + return fixupEncoding(_filename); + } + tmp = toParamRegExp('filename', 'i').exec(contentDisposition); + if (tmp) { + tmp = tmp[1]; + var _filename2 = rfc2616unquote(tmp); + _filename2 = rfc2047decode(_filename2); + return fixupEncoding(_filename2); + } + function toParamRegExp(attributePattern, flags) { + return new RegExp('(?:^|;)\\s*' + attributePattern + '\\s*=\\s*' + '(' + '[^";\\s][^;\\s]*' + '|' + '"(?:[^"\\\\]|\\\\"?)+"?' + ')', flags); + } + function textdecode(encoding, value) { + if (encoding) { + if (!/^[\x00-\xFF]+$/.test(value)) { + return value; } - if (typeof Float64Array === 'undefined') { - globalScope.Float64Array = Float32Array; + try { + var decoder = new TextDecoder(encoding, { fatal: true }); + var bytes = new Array(value.length); + for (var i = 0; i < value.length; ++i) { + bytes[i] = value.charCodeAt(i); + } + value = decoder.decode(new Uint8Array(bytes)); + needsEncodingFixup = false; + } catch (e) { + if (/^utf-?8$/i.test(encoding)) { + try { + value = decodeURIComponent(escape(value)); + needsEncodingFixup = false; + } catch (err) {} + } } - return; } - function subarray(start, end) { - return new TypedArray(this.slice(start, end)); - } - function setArrayOffset(array, offset) { - if (arguments.length < 2) { - offset = 0; + return value; + } + function fixupEncoding(value) { + if (needsEncodingFixup && /[\x80-\xff]/.test(value)) { + value = textdecode('utf-8', value); + if (needsEncodingFixup) { + value = textdecode('iso-8859-1', value); } - for (var i = 0, n = array.length; i < n; ++i, ++offset) { - this[offset] = array[i] & 0xFF; + } + return value; + } + function rfc2231getparam(contentDisposition) { + var matches = [], + match = void 0; + var iter = toParamRegExp('filename\\*((?!0\\d)\\d+)(\\*?)', 'ig'); + while ((match = iter.exec(contentDisposition)) !== null) { + var _match = match, + _match2 = _slicedToArray(_match, 4), + n = _match2[1], + quot = _match2[2], + part = _match2[3]; + + n = parseInt(n, 10); + if (n in matches) { + if (n === 0) { + break; + } + continue; } + matches[n] = [quot, part]; } - function Uint32ArrayView(buffer, length) { - this.buffer = buffer; - this.byteLength = buffer.length; - this.length = length; - ensureUint32ArrayViewProps(this.length); + var parts = []; + for (var _n = 0; _n < matches.length; ++_n) { + if (!(_n in matches)) { + break; + } + + var _matches$_n = _slicedToArray(matches[_n], 2), + _quot = _matches$_n[0], + _part = _matches$_n[1]; + + _part = rfc2616unquote(_part); + if (_quot) { + _part = unescape(_part); + if (_n === 0) { + _part = rfc5987decode(_part); + } + } + parts.push(_part); } - Uint32ArrayView.prototype = Object.create(null); - var uint32ArrayViewSetters = 0; - function createUint32ArrayProp(index) { - return { - get: function get() { - var buffer = this.buffer, - offset = index << 2; - return (buffer[offset] | buffer[offset + 1] << 8 | buffer[offset + 2] << 16 | buffer[offset + 3] << 24) >>> 0; - }, - set: function set(value) { - var buffer = this.buffer, - offset = index << 2; - buffer[offset] = value & 255; - buffer[offset + 1] = value >> 8 & 255; - buffer[offset + 2] = value >> 16 & 255; - buffer[offset + 3] = value >>> 24 & 255; + return parts.join(''); + } + function rfc2616unquote(value) { + if (value.charAt(0) === '"') { + var parts = value.slice(1).split('\\"'); + for (var i = 0; i < parts.length; ++i) { + var quotindex = parts[i].indexOf('"'); + if (quotindex !== -1) { + parts[i] = parts[i].slice(0, quotindex); + parts.length = i + 1; } - }; + parts[i] = parts[i].replace(/\\(.)/g, '$1'); + } + value = parts.join('"'); } - function ensureUint32ArrayViewProps(length) { - while (uint32ArrayViewSetters < length) { - Object.defineProperty(Uint32ArrayView.prototype, uint32ArrayViewSetters, createUint32ArrayProp(uint32ArrayViewSetters)); - uint32ArrayViewSetters++; + return value; + } + function rfc5987decode(extvalue) { + var encodingend = extvalue.indexOf('\''); + if (encodingend === -1) { + return extvalue; + } + var encoding = extvalue.slice(0, encodingend); + var langvalue = extvalue.slice(encodingend + 1); + var value = langvalue.replace(/^[^']*'/, ''); + return textdecode(encoding, value); + } + function rfc2047decode(value) { + if (value.slice(0, 2) !== '=?' || /[\x00-\x19\x80-\xff]/.test(value)) { + return value; + } + return value.replace(/=\?([\w-]*)\?([QqBb])\?((?:[^?]|\?(?!=))*)\?=/g, function (_, charset, encoding, text) { + if (encoding === 'q' || encoding === 'Q') { + text = text.replace(/_/g, ' '); + text = text.replace(/=([0-9a-fA-F]{2})/g, function (_, hex) { + return String.fromCharCode(parseInt(hex, 16)); + }); + return textdecode(charset, text); } + try { + text = atob(text); + } catch (e) {} + return textdecode(charset, text); + }); + } + return ''; +} +exports.getFilenameFromContentDispositionHeader = getFilenameFromContentDispositionHeader; + +/***/ }), +/* 151 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +Object.defineProperty(exports, "__esModule", { + value: true +}); +exports.PDFFetchStream = undefined; + +var _regenerator = __w_pdfjs_require__(137); + +var _regenerator2 = _interopRequireDefault(_regenerator); + +var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }(); + +var _util = __w_pdfjs_require__(1); + +var _network_utils = __w_pdfjs_require__(149); + +function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } + +function _asyncToGenerator(fn) { return function () { var gen = fn.apply(this, arguments); return new Promise(function (resolve, reject) { function step(key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { return Promise.resolve(value).then(function (value) { step("next", value); }, function (err) { step("throw", err); }); } } return step("next"); }); }; } + +function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } + +function createFetchOptions(headers, withCredentials, abortController) { + return { + method: 'GET', + headers: headers, + signal: abortController && abortController.signal, + mode: 'cors', + credentials: withCredentials ? 'include' : 'same-origin', + redirect: 'follow' + }; +} + +var PDFFetchStream = function () { + function PDFFetchStream(source) { + _classCallCheck(this, PDFFetchStream); + + this.source = source; + this.isHttp = /^https?:/i.test(source.url); + this.httpHeaders = this.isHttp && source.httpHeaders || {}; + this._fullRequestReader = null; + this._rangeRequestReaders = []; + } + + _createClass(PDFFetchStream, [{ + key: 'getFullReader', + value: function getFullReader() { + (0, _util.assert)(!this._fullRequestReader); + this._fullRequestReader = new PDFFetchStreamReader(this); + return this._fullRequestReader; } - function TypedArray(arg1) { - var result, i, n; - if (typeof arg1 === 'number') { - result = []; - for (i = 0; i < arg1; ++i) { - result[i] = 0; - } - } else if ('slice' in arg1) { - result = arg1.slice(0); - } else { - result = []; - for (i = 0, n = arg1.length; i < n; ++i) { - result[i] = arg1[i]; - } - } - result.subarray = subarray; - result.buffer = result; - result.byteLength = result.length; - result.set = setArrayOffset; - if ((typeof arg1 === 'undefined' ? 'undefined' : _typeof(arg1)) === 'object' && arg1.buffer) { - result.buffer = arg1.buffer; - } - return result; + }, { + key: 'getRangeReader', + value: function getRangeReader(begin, end) { + var reader = new PDFFetchStreamRangeReader(this, begin, end); + this._rangeRequestReaders.push(reader); + return reader; } - globalScope.Uint8Array = TypedArray; - globalScope.Int8Array = TypedArray; - globalScope.Int32Array = TypedArray; - globalScope.Uint16Array = TypedArray; - globalScope.Float32Array = TypedArray; - globalScope.Float64Array = TypedArray; - globalScope.Uint32Array = function () { - if (arguments.length === 3) { - if (arguments[1] !== 0) { - throw new Error('offset !== 0 is not supported'); - } - return new Uint32ArrayView(arguments[0], arguments[2]); + }, { + key: 'cancelAllRequests', + value: function cancelAllRequests(reason) { + if (this._fullRequestReader) { + this._fullRequestReader.cancel(reason); } - return TypedArray.apply(this, arguments); - }; - })(); - (function canvasPixelArrayBuffer() { - if (!hasDOM || !window.CanvasPixelArray) { - return; - } - var cpaProto = window.CanvasPixelArray.prototype; - if ('buffer' in cpaProto) { - return; + var readers = this._rangeRequestReaders.slice(0); + readers.forEach(function (reader) { + reader.cancel(reason); + }); } - Object.defineProperty(cpaProto, 'buffer', { - get: function get() { - return this; - }, + }]); - enumerable: false, - configurable: true - }); - Object.defineProperty(cpaProto, 'byteLength', { - get: function get() { - return this.length; - }, + return PDFFetchStream; +}(); - enumerable: false, - configurable: true - }); - })(); - (function normalizeURLObject() { - if (!globalScope.URL) { - globalScope.URL = globalScope.webkitURL; +var PDFFetchStreamReader = function () { + function PDFFetchStreamReader(stream) { + var _this = this; + + _classCallCheck(this, PDFFetchStreamReader); + + this._stream = stream; + this._reader = null; + this._loaded = 0; + this._filename = null; + var source = stream.source; + this._withCredentials = source.withCredentials; + this._contentLength = source.length; + this._headersCapability = (0, _util.createPromiseCapability)(); + this._disableRange = source.disableRange || false; + this._rangeChunkSize = source.rangeChunkSize; + if (!this._rangeChunkSize && !this._disableRange) { + this._disableRange = true; + } + if (typeof AbortController !== 'undefined') { + this._abortController = new AbortController(); + } + this._isStreamingSupported = !source.disableStream; + this._isRangeSupported = !source.disableRange; + this._headers = new Headers(); + for (var property in this._stream.httpHeaders) { + var value = this._stream.httpHeaders[property]; + if (typeof value === 'undefined') { + continue; + } + this._headers.append(property, value); } - })(); - (function checkObjectDefinePropertyCompatibility() { - if (typeof Object.defineProperty !== 'undefined') { - var definePropertyPossible = true; - try { - if (hasDOM) { - Object.defineProperty(new Image(), 'id', { value: 'test' }); - } - var Test = function Test() {}; - Test.prototype = { - get id() {} - }; - Object.defineProperty(new Test(), 'id', { - value: '', - configurable: true, - enumerable: true, - writable: false - }); - } catch (e) { - definePropertyPossible = false; + var url = source.url; + fetch(url, createFetchOptions(this._headers, this._withCredentials, this._abortController)).then(function (response) { + if (!(0, _network_utils.validateResponseStatus)(response.status)) { + throw (0, _network_utils.createResponseStatusError)(response.status, url); } - if (definePropertyPossible) { - return; + _this._reader = response.body.getReader(); + _this._headersCapability.resolve(); + var getResponseHeader = function getResponseHeader(name) { + return response.headers.get(name); + }; + + var _validateRangeRequest = (0, _network_utils.validateRangeRequestCapabilities)({ + getResponseHeader: getResponseHeader, + isHttp: _this._stream.isHttp, + rangeChunkSize: _this._rangeChunkSize, + disableRange: _this._disableRange + }), + allowRangeRequests = _validateRangeRequest.allowRangeRequests, + suggestedLength = _validateRangeRequest.suggestedLength; + + _this._isRangeSupported = allowRangeRequests; + _this._contentLength = suggestedLength || _this._contentLength; + _this._filename = (0, _network_utils.extractFilenameFromHeader)(getResponseHeader); + if (!_this._isStreamingSupported && _this._isRangeSupported) { + _this.cancel(new _util.AbortException('streaming is disabled')); } - } - Object.defineProperty = function objectDefineProperty(obj, name, def) { - delete obj[name]; - if ('get' in def) { - obj.__defineGetter__(name, def['get']); + }).catch(this._headersCapability.reject); + this.onProgress = null; + } + + _createClass(PDFFetchStreamReader, [{ + key: 'read', + value: function () { + var _ref = _asyncToGenerator( /*#__PURE__*/_regenerator2.default.mark(function _callee() { + var _ref2, value, done, buffer; + + return _regenerator2.default.wrap(function _callee$(_context) { + while (1) { + switch (_context.prev = _context.next) { + case 0: + _context.next = 2; + return this._headersCapability.promise; + + case 2: + _context.next = 4; + return this._reader.read(); + + case 4: + _ref2 = _context.sent; + value = _ref2.value; + done = _ref2.done; + + if (!done) { + _context.next = 9; + break; + } + + return _context.abrupt('return', { + value: value, + done: done + }); + + case 9: + this._loaded += value.byteLength; + if (this.onProgress) { + this.onProgress({ + loaded: this._loaded, + total: this._contentLength + }); + } + buffer = new Uint8Array(value).buffer; + return _context.abrupt('return', { + value: buffer, + done: false + }); + + case 13: + case 'end': + return _context.stop(); + } + } + }, _callee, this); + })); + + function read() { + return _ref.apply(this, arguments); } - if ('set' in def) { - obj.__defineSetter__(name, def['set']); + + return read; + }() + }, { + key: 'cancel', + value: function cancel(reason) { + if (this._reader) { + this._reader.cancel(reason); } - if ('value' in def) { - obj.__defineSetter__(name, function objectDefinePropertySetter(value) { - this.__defineGetter__(name, function objectDefinePropertyGetter() { - return value; - }); - return value; - }); - obj[name] = def.value; + if (this._abortController) { + this._abortController.abort(); } - }; - })(); - (function checkXMLHttpRequestResponseCompatibility() { - if (typeof XMLHttpRequest === 'undefined') { - return; } - var xhrPrototype = XMLHttpRequest.prototype; - var xhr = new XMLHttpRequest(); - if (!('overrideMimeType' in xhr)) { - Object.defineProperty(xhrPrototype, 'overrideMimeType', { - value: function xmlHttpRequestOverrideMimeType(mimeType) {} - }); + }, { + key: 'headersReady', + get: function get() { + return this._headersCapability.promise; } - if ('responseType' in xhr) { - return; + }, { + key: 'filename', + get: function get() { + return this._filename; } - Object.defineProperty(xhrPrototype, 'responseType', { - get: function xmlHttpRequestGetResponseType() { - return this._responseType || 'text'; - }, - set: function xmlHttpRequestSetResponseType(value) { - if (value === 'text' || value === 'arraybuffer') { - this._responseType = value; - if (value === 'arraybuffer' && typeof this.overrideMimeType === 'function') { - this.overrideMimeType('text/plain; charset=x-user-defined'); - } - } - } - }); - if (typeof VBArray !== 'undefined') { - Object.defineProperty(xhrPrototype, 'response', { - get: function xmlHttpRequestResponseGet() { - if (this.responseType === 'arraybuffer') { - return new Uint8Array(new VBArray(this.responseBody).toArray()); - } - return this.responseText; - } - }); - return; + }, { + key: 'contentLength', + get: function get() { + return this._contentLength; } - Object.defineProperty(xhrPrototype, 'response', { - get: function xmlHttpRequestResponseGet() { - if (this.responseType !== 'arraybuffer') { - return this.responseText; - } - var text = this.responseText; - var i, - n = text.length; - var result = new Uint8Array(n); - for (i = 0; i < n; ++i) { - result[i] = text.charCodeAt(i) & 0xFF; - } - return result.buffer; - } - }); - })(); - (function checkWindowBtoaCompatibility() { - if ('btoa' in globalScope) { - return; + }, { + key: 'isRangeSupported', + get: function get() { + return this._isRangeSupported; } - var digits = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/='; - globalScope.btoa = function (chars) { - var buffer = ''; - var i, n; - for (i = 0, n = chars.length; i < n; i += 3) { - var b1 = chars.charCodeAt(i) & 0xFF; - var b2 = chars.charCodeAt(i + 1) & 0xFF; - var b3 = chars.charCodeAt(i + 2) & 0xFF; - var d1 = b1 >> 2, - d2 = (b1 & 3) << 4 | b2 >> 4; - var d3 = i + 1 < n ? (b2 & 0xF) << 2 | b3 >> 6 : 64; - var d4 = i + 2 < n ? b3 & 0x3F : 64; - buffer += digits.charAt(d1) + digits.charAt(d2) + digits.charAt(d3) + digits.charAt(d4); - } - return buffer; - }; - })(); - (function checkWindowAtobCompatibility() { - if ('atob' in globalScope) { - return; + }, { + key: 'isStreamingSupported', + get: function get() { + return this._isStreamingSupported; } - var digits = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/='; - globalScope.atob = function (input) { - input = input.replace(/=+$/, ''); - if (input.length % 4 === 1) { - throw new Error('bad atob input'); - } - for (var bc = 0, bs, buffer, idx = 0, output = ''; buffer = input.charAt(idx++); ~buffer && (bs = bc % 4 ? bs * 64 + buffer : buffer, bc++ % 4) ? output += String.fromCharCode(255 & bs >> (-2 * bc & 6)) : 0) { - buffer = digits.indexOf(buffer); + }]); + + return PDFFetchStreamReader; +}(); + +var PDFFetchStreamRangeReader = function () { + function PDFFetchStreamRangeReader(stream, begin, end) { + var _this2 = this; + + _classCallCheck(this, PDFFetchStreamRangeReader); + + this._stream = stream; + this._reader = null; + this._loaded = 0; + var source = stream.source; + this._withCredentials = source.withCredentials; + this._readCapability = (0, _util.createPromiseCapability)(); + this._isStreamingSupported = !source.disableStream; + if (typeof AbortController !== 'undefined') { + this._abortController = new AbortController(); + } + this._headers = new Headers(); + for (var property in this._stream.httpHeaders) { + var value = this._stream.httpHeaders[property]; + if (typeof value === 'undefined') { + continue; } - return output; - }; - })(); - (function checkFunctionPrototypeBindCompatibility() { - if (typeof Function.prototype.bind !== 'undefined') { - return; - } - Function.prototype.bind = function functionPrototypeBind(obj) { - var fn = this, - headArgs = Array.prototype.slice.call(arguments, 1); - var bound = function functionPrototypeBindBound() { - var args = headArgs.concat(Array.prototype.slice.call(arguments)); - return fn.apply(obj, args); - }; - return bound; - }; - })(); - (function checkDatasetProperty() { - if (!hasDOM) { - return; - } - var div = document.createElement('div'); - if ('dataset' in div) { - return; + this._headers.append(property, value); } - Object.defineProperty(HTMLElement.prototype, 'dataset', { - get: function get() { - if (this._dataset) { - return this._dataset; - } - var dataset = {}; - for (var j = 0, jj = this.attributes.length; j < jj; j++) { - var attribute = this.attributes[j]; - if (attribute.name.substring(0, 5) !== 'data-') { - continue; + var rangeStr = begin + '-' + (end - 1); + this._headers.append('Range', 'bytes=' + rangeStr); + var url = source.url; + fetch(url, createFetchOptions(this._headers, this._withCredentials, this._abortController)).then(function (response) { + if (!(0, _network_utils.validateResponseStatus)(response.status)) { + throw (0, _network_utils.createResponseStatusError)(response.status, url); + } + _this2._readCapability.resolve(); + _this2._reader = response.body.getReader(); + }); + this.onProgress = null; + } + + _createClass(PDFFetchStreamRangeReader, [{ + key: 'read', + value: function () { + var _ref3 = _asyncToGenerator( /*#__PURE__*/_regenerator2.default.mark(function _callee2() { + var _ref4, value, done, buffer; + + return _regenerator2.default.wrap(function _callee2$(_context2) { + while (1) { + switch (_context2.prev = _context2.next) { + case 0: + _context2.next = 2; + return this._readCapability.promise; + + case 2: + _context2.next = 4; + return this._reader.read(); + + case 4: + _ref4 = _context2.sent; + value = _ref4.value; + done = _ref4.done; + + if (!done) { + _context2.next = 9; + break; + } + + return _context2.abrupt('return', { + value: value, + done: done + }); + + case 9: + this._loaded += value.byteLength; + if (this.onProgress) { + this.onProgress({ loaded: this._loaded }); + } + buffer = new Uint8Array(value).buffer; + return _context2.abrupt('return', { + value: buffer, + done: false + }); + + case 13: + case 'end': + return _context2.stop(); + } } - var key = attribute.name.substring(5).replace(/\-([a-z])/g, function (all, ch) { - return ch.toUpperCase(); - }); - dataset[key] = attribute.value; - } - Object.defineProperty(this, '_dataset', { - value: dataset, - writable: false, - enumerable: false - }); - return dataset; - }, + }, _callee2, this); + })); - enumerable: true - }); - })(); - (function checkClassListProperty() { - function changeList(element, itemName, add, remove) { - var s = element.className || ''; - var list = s.split(/\s+/g); - if (list[0] === '') { - list.shift(); + function read() { + return _ref3.apply(this, arguments); } - var index = list.indexOf(itemName); - if (index < 0 && add) { - list.push(itemName); + + return read; + }() + }, { + key: 'cancel', + value: function cancel(reason) { + if (this._reader) { + this._reader.cancel(reason); } - if (index >= 0 && remove) { - list.splice(index, 1); + if (this._abortController) { + this._abortController.abort(); } - element.className = list.join(' '); - return index >= 0; - } - if (!hasDOM) { - return; } - var div = document.createElement('div'); - if ('classList' in div) { - return; + }, { + key: 'isStreamingSupported', + get: function get() { + return this._isStreamingSupported; } - var classListPrototype = { - add: function add(name) { - changeList(this.element, name, true, false); - }, - contains: function contains(name) { - return changeList(this.element, name, false, false); - }, - remove: function remove(name) { - changeList(this.element, name, false, true); - }, - toggle: function toggle(name) { - changeList(this.element, name, true, true); - } - }; - Object.defineProperty(HTMLElement.prototype, 'classList', { - get: function get() { - if (this._classList) { - return this._classList; - } - var classList = Object.create(classListPrototype, { - element: { - value: this, - writable: false, - enumerable: true - } - }); - Object.defineProperty(this, '_classList', { - value: classList, - writable: false, - enumerable: false - }); - return classList; - }, + }]); - enumerable: true - }); - })(); - (function checkWorkerConsoleCompatibility() { - if (typeof importScripts === 'undefined' || 'console' in globalScope) { - return; - } - var consoleTimer = {}; - var workerConsole = { - log: function log() { - var args = Array.prototype.slice.call(arguments); - globalScope.postMessage({ - targetName: 'main', - action: 'console_log', - data: args - }); - }, - error: function error() { - var args = Array.prototype.slice.call(arguments); - globalScope.postMessage({ - targetName: 'main', - action: 'console_error', - data: args - }); - }, - time: function time(name) { - consoleTimer[name] = Date.now(); - }, - timeEnd: function timeEnd(name) { - var time = consoleTimer[name]; - if (!time) { - throw new Error('Unknown timer name ' + name); - } - this.log('Timer:', name, Date.now() - time); - } - }; - globalScope.console = workerConsole; - })(); - (function checkConsoleCompatibility() { - if (!hasDOM) { - return; - } - if (!('console' in window)) { - window.console = { - log: function log() {}, - error: function error() {}, - warn: function warn() {} - }; - return; - } - if (!('bind' in console.log)) { - console.log = function (fn) { - return function (msg) { - return fn(msg); - }; - }(console.log); - console.error = function (fn) { - return function (msg) { - return fn(msg); - }; - }(console.error); - console.warn = function (fn) { - return function (msg) { - return fn(msg); - }; - }(console.warn); - return; + return PDFFetchStreamRangeReader; +}(); + +exports.PDFFetchStream = PDFFetchStream; + +/***/ }), +/* 152 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +Object.defineProperty(exports, "__esModule", { + value: true +}); +exports.NetworkManager = exports.PDFNetworkStream = undefined; + +var _regenerator = __w_pdfjs_require__(137); + +var _regenerator2 = _interopRequireDefault(_regenerator); + +var _util = __w_pdfjs_require__(1); + +var _network_utils = __w_pdfjs_require__(149); + +var _global_scope = __w_pdfjs_require__(3); + +var _global_scope2 = _interopRequireDefault(_global_scope); + +function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } + +function _asyncToGenerator(fn) { return function () { var gen = fn.apply(this, arguments); return new Promise(function (resolve, reject) { function step(key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { return Promise.resolve(value).then(function (value) { step("next", value); }, function (err) { step("throw", err); }); } } return step("next"); }); }; } + +; +var OK_RESPONSE = 200; +var PARTIAL_CONTENT_RESPONSE = 206; +function NetworkManager(url, args) { + this.url = url; + args = args || {}; + this.isHttp = /^https?:/i.test(url); + this.httpHeaders = this.isHttp && args.httpHeaders || {}; + this.withCredentials = args.withCredentials || false; + this.getXhr = args.getXhr || function NetworkManager_getXhr() { + return new XMLHttpRequest(); + }; + this.currXhrId = 0; + this.pendingRequests = Object.create(null); + this.loadedRequests = Object.create(null); +} +function getArrayBuffer(xhr) { + var data = xhr.response; + if (typeof data !== 'string') { + return data; + } + var array = (0, _util.stringToBytes)(data); + return array.buffer; +} +var supportsMozChunked = function supportsMozChunkedClosure() { + try { + var x = new XMLHttpRequest(); + x.open('GET', _global_scope2.default.location.href); + x.responseType = 'moz-chunked-arraybuffer'; + return x.responseType === 'moz-chunked-arraybuffer'; + } catch (e) { + return false; + } +}(); +NetworkManager.prototype = { + requestRange: function NetworkManager_requestRange(begin, end, listeners) { + var args = { + begin: begin, + end: end + }; + for (var prop in listeners) { + args[prop] = listeners[prop]; } - })(); - (function checkOnClickCompatibility() { - function ignoreIfTargetDisabled(event) { - if (isDisabled(event.target)) { - event.stopPropagation(); + return this.request(args); + }, + requestFull: function NetworkManager_requestFull(listeners) { + return this.request(listeners); + }, + request: function NetworkManager_request(args) { + var xhr = this.getXhr(); + var xhrId = this.currXhrId++; + var pendingRequest = this.pendingRequests[xhrId] = { xhr: xhr }; + xhr.open('GET', this.url); + xhr.withCredentials = this.withCredentials; + for (var property in this.httpHeaders) { + var value = this.httpHeaders[property]; + if (typeof value === 'undefined') { + continue; } + xhr.setRequestHeader(property, value); } - function isDisabled(node) { - return node.disabled || node.parentNode && isDisabled(node.parentNode); - } - if (isOpera) { - document.addEventListener('click', ignoreIfTargetDisabled, true); - } - })(); - (function checkOnBlobSupport() { - if (isIE || isIOSChrome) { - PDFJS.disableCreateObjectURL = true; - } - })(); - (function checkNavigatorLanguage() { - if (typeof navigator === 'undefined') { - return; - } - if ('language' in navigator) { - return; - } - PDFJS.locale = navigator.userLanguage || 'en-US'; - })(); - (function checkRangeRequests() { - if (isSafari || isAndroidPre3 || isChromeWithRangeBug || isIOS) { - PDFJS.disableRange = true; - PDFJS.disableStream = true; - } - })(); - (function checkHistoryManipulation() { - if (!hasDOM) { - return; - } - if (!history.pushState || isAndroidPre3) { - PDFJS.disableHistory = true; - } - })(); - (function checkSetPresenceInImageData() { - if (!hasDOM) { - return; + if (this.isHttp && 'begin' in args && 'end' in args) { + var rangeStr = args.begin + '-' + (args.end - 1); + xhr.setRequestHeader('Range', 'bytes=' + rangeStr); + pendingRequest.expectedStatus = 206; + } else { + pendingRequest.expectedStatus = 200; } - if (window.CanvasPixelArray) { - if (typeof window.CanvasPixelArray.prototype.set !== 'function') { - window.CanvasPixelArray.prototype.set = function (arr) { - for (var i = 0, ii = this.length; i < ii; i++) { - this[i] = arr[i]; - } - }; - } + var useMozChunkedLoading = supportsMozChunked && !!args.onProgressiveData; + if (useMozChunkedLoading) { + xhr.responseType = 'moz-chunked-arraybuffer'; + pendingRequest.onProgressiveData = args.onProgressiveData; + pendingRequest.mozChunked = true; } else { - var polyfill = false, - versionMatch; - if (isChrome) { - versionMatch = userAgent.match(/Chrom(e|ium)\/([0-9]+)\./); - polyfill = versionMatch && parseInt(versionMatch[2]) < 21; - } else if (isAndroid) { - polyfill = isAndroidPre5; - } else if (isSafari) { - versionMatch = userAgent.match(/Version\/([0-9]+)\.([0-9]+)\.([0-9]+) Safari\//); - polyfill = versionMatch && parseInt(versionMatch[1]) < 6; - } - if (polyfill) { - var contextPrototype = window.CanvasRenderingContext2D.prototype; - var createImageData = contextPrototype.createImageData; - contextPrototype.createImageData = function (w, h) { - var imageData = createImageData.call(this, w, h); - imageData.data.set = function (arr) { - for (var i = 0, ii = this.length; i < ii; i++) { - this[i] = arr[i]; - } - }; - return imageData; - }; - contextPrototype = null; - } + xhr.responseType = 'arraybuffer'; } - })(); - (function checkRequestAnimationFrame() { - function installFakeAnimationFrameFunctions() { - window.requestAnimationFrame = function (callback) { - return window.setTimeout(callback, 20); - }; - window.cancelAnimationFrame = function (timeoutID) { - window.clearTimeout(timeoutID); + if (args.onError) { + xhr.onerror = function (evt) { + args.onError(xhr.status); }; } - if (!hasDOM) { - return; - } - if (isIOS) { - installFakeAnimationFrameFunctions(); - return; - } - if ('requestAnimationFrame' in window) { - return; - } - window.requestAnimationFrame = window.mozRequestAnimationFrame || window.webkitRequestAnimationFrame; - if (window.requestAnimationFrame) { - return; - } - installFakeAnimationFrameFunctions(); - })(); - (function checkCanvasSizeLimitation() { - if (isIOS || isAndroid) { - PDFJS.maxCanvasPixels = 5242880; - } - })(); - (function checkFullscreenSupport() { - if (!hasDOM) { - return; - } - if (isIE && window.parent !== window) { - PDFJS.disableFullscreen = true; - } - })(); - (function checkCurrentScript() { - if (!hasDOM) { - return; - } - if ('currentScript' in document) { - return; - } - Object.defineProperty(document, 'currentScript', { - get: function get() { - var scripts = document.getElementsByTagName('script'); - return scripts[scripts.length - 1]; - }, - - enumerable: true, - configurable: true - }); - })(); - (function checkInputTypeNumberAssign() { - if (!hasDOM) { - return; - } - var el = document.createElement('input'); - try { - el.type = 'number'; - } catch (ex) { - var inputProto = el.constructor.prototype; - var typeProperty = Object.getOwnPropertyDescriptor(inputProto, 'type'); - Object.defineProperty(inputProto, 'type', { - get: function get() { - return typeProperty.get.call(this); - }, - set: function set(value) { - typeProperty.set.call(this, value === 'number' ? 'text' : value); - }, - - enumerable: true, - configurable: true - }); - } - })(); - (function checkDocumentReadyState() { - if (!hasDOM) { + xhr.onreadystatechange = this.onStateChange.bind(this, xhrId); + xhr.onprogress = this.onProgress.bind(this, xhrId); + pendingRequest.onHeadersReceived = args.onHeadersReceived; + pendingRequest.onDone = args.onDone; + pendingRequest.onError = args.onError; + pendingRequest.onProgress = args.onProgress; + xhr.send(null); + return xhrId; + }, + onProgress: function NetworkManager_onProgress(xhrId, evt) { + var pendingRequest = this.pendingRequests[xhrId]; + if (!pendingRequest) { return; } - if (!document.attachEvent) { - return; + if (pendingRequest.mozChunked) { + var chunk = getArrayBuffer(pendingRequest.xhr); + pendingRequest.onProgressiveData(chunk); } - var documentProto = document.constructor.prototype; - var readyStateProto = Object.getOwnPropertyDescriptor(documentProto, 'readyState'); - Object.defineProperty(documentProto, 'readyState', { - get: function get() { - var value = readyStateProto.get.call(this); - return value === 'interactive' ? 'loading' : value; - }, - set: function set(value) { - readyStateProto.set.call(this, value); - }, - - enumerable: true, - configurable: true - }); - })(); - (function checkChildNodeRemove() { - if (!hasDOM) { - return; + var onProgress = pendingRequest.onProgress; + if (onProgress) { + onProgress(evt); } - if (typeof Element.prototype.remove !== 'undefined') { + }, + onStateChange: function NetworkManager_onStateChange(xhrId, evt) { + var pendingRequest = this.pendingRequests[xhrId]; + if (!pendingRequest) { return; } - Element.prototype.remove = function () { - if (this.parentNode) { - this.parentNode.removeChild(this); - } - }; - })(); - (function checkNumberIsNaN() { - if (Number.isNaN) { - return; + var xhr = pendingRequest.xhr; + if (xhr.readyState >= 2 && pendingRequest.onHeadersReceived) { + pendingRequest.onHeadersReceived(); + delete pendingRequest.onHeadersReceived; } - Number.isNaN = function (value) { - return typeof value === 'number' && isNaN(value); - }; - })(); - (function checkNumberIsInteger() { - if (Number.isInteger) { + if (xhr.readyState !== 4) { return; } - Number.isInteger = function (value) { - return typeof value === 'number' && isFinite(value) && Math.floor(value) === value; - }; - })(); - (function checkPromise() { - if (globalScope.Promise) { - if (typeof globalScope.Promise.all !== 'function') { - globalScope.Promise.all = function (iterable) { - var count = 0, - results = [], - resolve, - reject; - var promise = new globalScope.Promise(function (resolve_, reject_) { - resolve = resolve_; - reject = reject_; - }); - iterable.forEach(function (p, i) { - count++; - p.then(function (result) { - results[i] = result; - count--; - if (count === 0) { - resolve(results); - } - }, reject); - }); - if (count === 0) { - resolve(results); - } - return promise; - }; - } - if (typeof globalScope.Promise.resolve !== 'function') { - globalScope.Promise.resolve = function (value) { - return new globalScope.Promise(function (resolve) { - resolve(value); - }); - }; - } - if (typeof globalScope.Promise.reject !== 'function') { - globalScope.Promise.reject = function (reason) { - return new globalScope.Promise(function (resolve, reject) { - reject(reason); - }); - }; - } - if (typeof globalScope.Promise.prototype.catch !== 'function') { - globalScope.Promise.prototype.catch = function (onReject) { - return globalScope.Promise.prototype.then(undefined, onReject); - }; - } + if (!(xhrId in this.pendingRequests)) { return; } - var STATUS_PENDING = 0; - var STATUS_RESOLVED = 1; - var STATUS_REJECTED = 2; - var REJECTION_TIMEOUT = 500; - var HandlerManager = { - handlers: [], - running: false, - unhandledRejections: [], - pendingRejectionCheck: false, - scheduleHandlers: function scheduleHandlers(promise) { - if (promise._status === STATUS_PENDING) { - return; - } - this.handlers = this.handlers.concat(promise._handlers); - promise._handlers = []; - if (this.running) { - return; - } - this.running = true; - setTimeout(this.runHandlers.bind(this), 0); - }, - runHandlers: function runHandlers() { - var RUN_TIMEOUT = 1; - var timeoutAt = Date.now() + RUN_TIMEOUT; - while (this.handlers.length > 0) { - var handler = this.handlers.shift(); - var nextStatus = handler.thisPromise._status; - var nextValue = handler.thisPromise._value; - try { - if (nextStatus === STATUS_RESOLVED) { - if (typeof handler.onResolve === 'function') { - nextValue = handler.onResolve(nextValue); - } - } else if (typeof handler.onReject === 'function') { - nextValue = handler.onReject(nextValue); - nextStatus = STATUS_RESOLVED; - if (handler.thisPromise._unhandledRejection) { - this.removeUnhandeledRejection(handler.thisPromise); - } - } - } catch (ex) { - nextStatus = STATUS_REJECTED; - nextValue = ex; - } - handler.nextPromise._updateStatus(nextStatus, nextValue); - if (Date.now() >= timeoutAt) { - break; - } - } - if (this.handlers.length > 0) { - setTimeout(this.runHandlers.bind(this), 0); - return; - } - this.running = false; - }, - addUnhandledRejection: function addUnhandledRejection(promise) { - this.unhandledRejections.push({ - promise: promise, - time: Date.now() - }); - this.scheduleRejectionCheck(); - }, - removeUnhandeledRejection: function removeUnhandeledRejection(promise) { - promise._unhandledRejection = false; - for (var i = 0; i < this.unhandledRejections.length; i++) { - if (this.unhandledRejections[i].promise === promise) { - this.unhandledRejections.splice(i); - i--; - } - } - }, - scheduleRejectionCheck: function scheduleRejectionCheck() { - var _this = this; - - if (this.pendingRejectionCheck) { - return; - } - this.pendingRejectionCheck = true; - setTimeout(function () { - _this.pendingRejectionCheck = false; - var now = Date.now(); - for (var i = 0; i < _this.unhandledRejections.length; i++) { - if (now - _this.unhandledRejections[i].time > REJECTION_TIMEOUT) { - var unhandled = _this.unhandledRejections[i].promise._value; - var msg = 'Unhandled rejection: ' + unhandled; - if (unhandled.stack) { - msg += '\n' + unhandled.stack; - } - try { - throw new Error(msg); - } catch (_) { - console.warn(msg); - } - _this.unhandledRejections.splice(i); - i--; - } - } - if (_this.unhandledRejections.length) { - _this.scheduleRejectionCheck(); - } - }, REJECTION_TIMEOUT); - } - }; - var Promise = function Promise(resolver) { - this._status = STATUS_PENDING; - this._handlers = []; - try { - resolver.call(this, this._resolve.bind(this), this._reject.bind(this)); - } catch (e) { - this._reject(e); - } - }; - Promise.all = function Promise_all(promises) { - var resolveAll, rejectAll; - var deferred = new Promise(function (resolve, reject) { - resolveAll = resolve; - rejectAll = reject; - }); - var unresolved = promises.length; - var results = []; - if (unresolved === 0) { - resolveAll(results); - return deferred; - } - function reject(reason) { - if (deferred._status === STATUS_REJECTED) { - return; - } - results = []; - rejectAll(reason); - } - for (var i = 0, ii = promises.length; i < ii; ++i) { - var promise = promises[i]; - var resolve = function (i) { - return function (value) { - if (deferred._status === STATUS_REJECTED) { - return; - } - results[i] = value; - unresolved--; - if (unresolved === 0) { - resolveAll(results); - } - }; - }(i); - if (Promise.isPromise(promise)) { - promise.then(resolve, reject); - } else { - resolve(promise); - } - } - return deferred; - }; - Promise.isPromise = function Promise_isPromise(value) { - return value && typeof value.then === 'function'; - }; - Promise.resolve = function Promise_resolve(value) { - return new Promise(function (resolve) { - resolve(value); - }); - }; - Promise.reject = function Promise_reject(reason) { - return new Promise(function (resolve, reject) { - reject(reason); - }); - }; - Promise.prototype = { - _status: null, - _value: null, - _handlers: null, - _unhandledRejection: null, - _updateStatus: function Promise__updateStatus(status, value) { - if (this._status === STATUS_RESOLVED || this._status === STATUS_REJECTED) { - return; - } - if (status === STATUS_RESOLVED && Promise.isPromise(value)) { - value.then(this._updateStatus.bind(this, STATUS_RESOLVED), this._updateStatus.bind(this, STATUS_REJECTED)); - return; - } - this._status = status; - this._value = value; - if (status === STATUS_REJECTED && this._handlers.length === 0) { - this._unhandledRejection = true; - HandlerManager.addUnhandledRejection(this); - } - HandlerManager.scheduleHandlers(this); - }, - _resolve: function Promise_resolve(value) { - this._updateStatus(STATUS_RESOLVED, value); - }, - _reject: function Promise_reject(reason) { - this._updateStatus(STATUS_REJECTED, reason); - }, - then: function Promise_then(onResolve, onReject) { - var nextPromise = new Promise(function (resolve, reject) { - this.resolve = resolve; - this.reject = reject; - }); - this._handlers.push({ - thisPromise: this, - onResolve: onResolve, - onReject: onReject, - nextPromise: nextPromise - }); - HandlerManager.scheduleHandlers(this); - return nextPromise; - }, - catch: function Promise_catch(onReject) { - return this.then(undefined, onReject); + delete this.pendingRequests[xhrId]; + if (xhr.status === 0 && this.isHttp) { + if (pendingRequest.onError) { + pendingRequest.onError(xhr.status); } - }; - globalScope.Promise = Promise; - })(); - (function checkWeakMap() { - if (globalScope.WeakMap) { return; } - var id = 0; - function WeakMap() { - this.id = '$weakmap' + id++; - } - WeakMap.prototype = { - has: function has(obj) { - if ((typeof obj === 'undefined' ? 'undefined' : _typeof(obj)) !== 'object' && typeof obj !== 'function' || obj === null) { - return false; - } - return !!Object.getOwnPropertyDescriptor(obj, this.id); - }, - get: function get(obj) { - return this.has(obj) ? obj[this.id] : undefined; - }, - set: function set(obj, value) { - Object.defineProperty(obj, this.id, { - value: value, - enumerable: false, - configurable: true - }); - }, - delete: function _delete(obj) { - delete obj[this.id]; - } - }; - globalScope.WeakMap = WeakMap; - })(); - (function checkURLConstructor() { - var hasWorkingUrl = false; - try { - if (typeof URL === 'function' && _typeof(URL.prototype) === 'object' && 'origin' in URL.prototype) { - var u = new URL('b', 'http://a'); - u.pathname = 'c%20d'; - hasWorkingUrl = u.href === 'http://a/c%20d'; + var xhrStatus = xhr.status || OK_RESPONSE; + var ok_response_on_range_request = xhrStatus === OK_RESPONSE && pendingRequest.expectedStatus === PARTIAL_CONTENT_RESPONSE; + if (!ok_response_on_range_request && xhrStatus !== pendingRequest.expectedStatus) { + if (pendingRequest.onError) { + pendingRequest.onError(xhr.status); } - } catch (e) {} - if (hasWorkingUrl) { return; } - var relative = Object.create(null); - relative['ftp'] = 21; - relative['file'] = 0; - relative['gopher'] = 70; - relative['http'] = 80; - relative['https'] = 443; - relative['ws'] = 80; - relative['wss'] = 443; - var relativePathDotMapping = Object.create(null); - relativePathDotMapping['%2e'] = '.'; - relativePathDotMapping['.%2e'] = '..'; - relativePathDotMapping['%2e.'] = '..'; - relativePathDotMapping['%2e%2e'] = '..'; - function isRelativeScheme(scheme) { - return relative[scheme] !== undefined; - } - function invalid() { - clear.call(this); - this._isInvalid = true; - } - function IDNAToASCII(h) { - if (h === '') { - invalid.call(this); - } - return h.toLowerCase(); - } - function percentEscape(c) { - var unicode = c.charCodeAt(0); - if (unicode > 0x20 && unicode < 0x7F && [0x22, 0x23, 0x3C, 0x3E, 0x3F, 0x60].indexOf(unicode) === -1) { - return c; - } - return encodeURIComponent(c); - } - function percentEscapeQuery(c) { - var unicode = c.charCodeAt(0); - if (unicode > 0x20 && unicode < 0x7F && [0x22, 0x23, 0x3C, 0x3E, 0x60].indexOf(unicode) === -1) { - return c; - } - return encodeURIComponent(c); - } - var EOF, - ALPHA = /[a-zA-Z]/, - ALPHANUMERIC = /[a-zA-Z0-9\+\-\.]/; - function parse(input, stateOverride, base) { - function err(message) { - errors.push(message); - } - var state = stateOverride || 'scheme start', - cursor = 0, - buffer = '', - seenAt = false, - seenBracket = false, - errors = []; - loop: while ((input[cursor - 1] !== EOF || cursor === 0) && !this._isInvalid) { - var c = input[cursor]; - switch (state) { - case 'scheme start': - if (c && ALPHA.test(c)) { - buffer += c.toLowerCase(); - state = 'scheme'; - } else if (!stateOverride) { - buffer = ''; - state = 'no scheme'; - continue; - } else { - err('Invalid scheme.'); - break loop; - } - break; - case 'scheme': - if (c && ALPHANUMERIC.test(c)) { - buffer += c.toLowerCase(); - } else if (c === ':') { - this._scheme = buffer; - buffer = ''; - if (stateOverride) { - break loop; - } - if (isRelativeScheme(this._scheme)) { - this._isRelative = true; - } - if (this._scheme === 'file') { - state = 'relative'; - } else if (this._isRelative && base && base._scheme === this._scheme) { - state = 'relative or authority'; - } else if (this._isRelative) { - state = 'authority first slash'; - } else { - state = 'scheme data'; - } - } else if (!stateOverride) { - buffer = ''; - cursor = 0; - state = 'no scheme'; - continue; - } else if (c === EOF) { - break loop; - } else { - err('Code point not allowed in scheme: ' + c); - break loop; - } - break; - case 'scheme data': - if (c === '?') { - this._query = '?'; - state = 'query'; - } else if (c === '#') { - this._fragment = '#'; - state = 'fragment'; - } else { - if (c !== EOF && c !== '\t' && c !== '\n' && c !== '\r') { - this._schemeData += percentEscape(c); - } - } - break; - case 'no scheme': - if (!base || !isRelativeScheme(base._scheme)) { - err('Missing scheme.'); - invalid.call(this); - } else { - state = 'relative'; - continue; - } - break; - case 'relative or authority': - if (c === '/' && input[cursor + 1] === '/') { - state = 'authority ignore slashes'; - } else { - err('Expected /, got: ' + c); - state = 'relative'; - continue; - } - break; - case 'relative': - this._isRelative = true; - if (this._scheme !== 'file') { - this._scheme = base._scheme; - } - if (c === EOF) { - this._host = base._host; - this._port = base._port; - this._path = base._path.slice(); - this._query = base._query; - this._username = base._username; - this._password = base._password; - break loop; - } else if (c === '/' || c === '\\') { - if (c === '\\') { - err('\\ is an invalid code point.'); - } - state = 'relative slash'; - } else if (c === '?') { - this._host = base._host; - this._port = base._port; - this._path = base._path.slice(); - this._query = '?'; - this._username = base._username; - this._password = base._password; - state = 'query'; - } else if (c === '#') { - this._host = base._host; - this._port = base._port; - this._path = base._path.slice(); - this._query = base._query; - this._fragment = '#'; - this._username = base._username; - this._password = base._password; - state = 'fragment'; - } else { - var nextC = input[cursor + 1]; - var nextNextC = input[cursor + 2]; - if (this._scheme !== 'file' || !ALPHA.test(c) || nextC !== ':' && nextC !== '|' || nextNextC !== EOF && nextNextC !== '/' && nextNextC !== '\\' && nextNextC !== '?' && nextNextC !== '#') { - this._host = base._host; - this._port = base._port; - this._username = base._username; - this._password = base._password; - this._path = base._path.slice(); - this._path.pop(); - } - state = 'relative path'; - continue; - } - break; - case 'relative slash': - if (c === '/' || c === '\\') { - if (c === '\\') { - err('\\ is an invalid code point.'); - } - if (this._scheme === 'file') { - state = 'file host'; - } else { - state = 'authority ignore slashes'; - } - } else { - if (this._scheme !== 'file') { - this._host = base._host; - this._port = base._port; - this._username = base._username; - this._password = base._password; - } - state = 'relative path'; - continue; - } - break; - case 'authority first slash': - if (c === '/') { - state = 'authority second slash'; - } else { - err('Expected \'/\', got: ' + c); - state = 'authority ignore slashes'; - continue; - } - break; - case 'authority second slash': - state = 'authority ignore slashes'; - if (c !== '/') { - err('Expected \'/\', got: ' + c); - continue; - } - break; - case 'authority ignore slashes': - if (c !== '/' && c !== '\\') { - state = 'authority'; - continue; - } else { - err('Expected authority, got: ' + c); - } - break; - case 'authority': - if (c === '@') { - if (seenAt) { - err('@ already seen.'); - buffer += '%40'; - } - seenAt = true; - for (var i = 0; i < buffer.length; i++) { - var cp = buffer[i]; - if (cp === '\t' || cp === '\n' || cp === '\r') { - err('Invalid whitespace in authority.'); - continue; - } - if (cp === ':' && this._password === null) { - this._password = ''; - continue; - } - var tempC = percentEscape(cp); - if (this._password !== null) { - this._password += tempC; - } else { - this._username += tempC; - } - } - buffer = ''; - } else if (c === EOF || c === '/' || c === '\\' || c === '?' || c === '#') { - cursor -= buffer.length; - buffer = ''; - state = 'host'; - continue; - } else { - buffer += c; - } - break; - case 'file host': - if (c === EOF || c === '/' || c === '\\' || c === '?' || c === '#') { - if (buffer.length === 2 && ALPHA.test(buffer[0]) && (buffer[1] === ':' || buffer[1] === '|')) { - state = 'relative path'; - } else if (buffer.length === 0) { - state = 'relative path start'; - } else { - this._host = IDNAToASCII.call(this, buffer); - buffer = ''; - state = 'relative path start'; - } - continue; - } else if (c === '\t' || c === '\n' || c === '\r') { - err('Invalid whitespace in file host.'); - } else { - buffer += c; - } - break; - case 'host': - case 'hostname': - if (c === ':' && !seenBracket) { - this._host = IDNAToASCII.call(this, buffer); - buffer = ''; - state = 'port'; - if (stateOverride === 'hostname') { - break loop; - } - } else if (c === EOF || c === '/' || c === '\\' || c === '?' || c === '#') { - this._host = IDNAToASCII.call(this, buffer); - buffer = ''; - state = 'relative path start'; - if (stateOverride) { - break loop; - } - continue; - } else if (c !== '\t' && c !== '\n' && c !== '\r') { - if (c === '[') { - seenBracket = true; - } else if (c === ']') { - seenBracket = false; - } - buffer += c; - } else { - err('Invalid code point in host/hostname: ' + c); - } - break; - case 'port': - if (/[0-9]/.test(c)) { - buffer += c; - } else if (c === EOF || c === '/' || c === '\\' || c === '?' || c === '#' || stateOverride) { - if (buffer !== '') { - var temp = parseInt(buffer, 10); - if (temp !== relative[this._scheme]) { - this._port = temp + ''; - } - buffer = ''; - } - if (stateOverride) { - break loop; - } - state = 'relative path start'; - continue; - } else if (c === '\t' || c === '\n' || c === '\r') { - err('Invalid code point in port: ' + c); - } else { - invalid.call(this); - } - break; - case 'relative path start': - if (c === '\\') { - err('\'\\\' not allowed in path.'); - } - state = 'relative path'; - if (c !== '/' && c !== '\\') { - continue; - } - break; - case 'relative path': - if (c === EOF || c === '/' || c === '\\' || !stateOverride && (c === '?' || c === '#')) { - if (c === '\\') { - err('\\ not allowed in relative path.'); - } - var tmp; - if (tmp = relativePathDotMapping[buffer.toLowerCase()]) { - buffer = tmp; + this.loadedRequests[xhrId] = true; + var chunk = getArrayBuffer(xhr); + if (xhrStatus === PARTIAL_CONTENT_RESPONSE) { + var rangeHeader = xhr.getResponseHeader('Content-Range'); + var matches = /bytes (\d+)-(\d+)\/(\d+)/.exec(rangeHeader); + var begin = parseInt(matches[1], 10); + pendingRequest.onDone({ + begin: begin, + chunk: chunk + }); + } else if (pendingRequest.onProgressiveData) { + pendingRequest.onDone(null); + } else if (chunk) { + pendingRequest.onDone({ + begin: 0, + chunk: chunk + }); + } else if (pendingRequest.onError) { + pendingRequest.onError(xhr.status); + } + }, + hasPendingRequests: function NetworkManager_hasPendingRequests() { + for (var xhrId in this.pendingRequests) { + return true; + } + return false; + }, + getRequestXhr: function NetworkManager_getXhr(xhrId) { + return this.pendingRequests[xhrId].xhr; + }, + isStreamingRequest: function NetworkManager_isStreamingRequest(xhrId) { + return !!this.pendingRequests[xhrId].onProgressiveData; + }, + isPendingRequest: function NetworkManager_isPendingRequest(xhrId) { + return xhrId in this.pendingRequests; + }, + isLoadedRequest: function NetworkManager_isLoadedRequest(xhrId) { + return xhrId in this.loadedRequests; + }, + abortAllRequests: function NetworkManager_abortAllRequests() { + for (var xhrId in this.pendingRequests) { + this.abortRequest(xhrId | 0); + } + }, + abortRequest: function NetworkManager_abortRequest(xhrId) { + var xhr = this.pendingRequests[xhrId].xhr; + delete this.pendingRequests[xhrId]; + xhr.abort(); + } +}; +function PDFNetworkStream(source) { + this._source = source; + this._manager = new NetworkManager(source.url, { + httpHeaders: source.httpHeaders, + withCredentials: source.withCredentials + }); + this._rangeChunkSize = source.rangeChunkSize; + this._fullRequestReader = null; + this._rangeRequestReaders = []; +} +PDFNetworkStream.prototype = { + _onRangeRequestReaderClosed: function PDFNetworkStream_onRangeRequestReaderClosed(reader) { + var i = this._rangeRequestReaders.indexOf(reader); + if (i >= 0) { + this._rangeRequestReaders.splice(i, 1); + } + }, + getFullReader: function PDFNetworkStream_getFullReader() { + (0, _util.assert)(!this._fullRequestReader); + this._fullRequestReader = new PDFNetworkStreamFullRequestReader(this._manager, this._source); + return this._fullRequestReader; + }, + getRangeReader: function PDFNetworkStream_getRangeReader(begin, end) { + var reader = new PDFNetworkStreamRangeRequestReader(this._manager, begin, end); + reader.onClosed = this._onRangeRequestReaderClosed.bind(this); + this._rangeRequestReaders.push(reader); + return reader; + }, + cancelAllRequests: function PDFNetworkStream_cancelAllRequests(reason) { + if (this._fullRequestReader) { + this._fullRequestReader.cancel(reason); + } + var readers = this._rangeRequestReaders.slice(0); + readers.forEach(function (reader) { + reader.cancel(reason); + }); + } +}; +function PDFNetworkStreamFullRequestReader(manager, source) { + this._manager = manager; + var args = { + onHeadersReceived: this._onHeadersReceived.bind(this), + onProgressiveData: source.disableStream ? null : this._onProgressiveData.bind(this), + onDone: this._onDone.bind(this), + onError: this._onError.bind(this), + onProgress: this._onProgress.bind(this) + }; + this._url = source.url; + this._fullRequestId = manager.requestFull(args); + this._headersReceivedCapability = (0, _util.createPromiseCapability)(); + this._disableRange = source.disableRange || false; + this._contentLength = source.length; + this._rangeChunkSize = source.rangeChunkSize; + if (!this._rangeChunkSize && !this._disableRange) { + this._disableRange = true; + } + this._isStreamingSupported = false; + this._isRangeSupported = false; + this._cachedChunks = []; + this._requests = []; + this._done = false; + this._storedError = undefined; + this._filename = null; + this.onProgress = null; +} +PDFNetworkStreamFullRequestReader.prototype = { + _onHeadersReceived: function PDFNetworkStreamFullRequestReader_onHeadersReceived() { + var fullRequestXhrId = this._fullRequestId; + var fullRequestXhr = this._manager.getRequestXhr(fullRequestXhrId); + var getResponseHeader = function getResponseHeader(name) { + return fullRequestXhr.getResponseHeader(name); + }; + + var _validateRangeRequest = (0, _network_utils.validateRangeRequestCapabilities)({ + getResponseHeader: getResponseHeader, + isHttp: this._manager.isHttp, + rangeChunkSize: this._rangeChunkSize, + disableRange: this._disableRange + }), + allowRangeRequests = _validateRangeRequest.allowRangeRequests, + suggestedLength = _validateRangeRequest.suggestedLength; + + if (allowRangeRequests) { + this._isRangeSupported = true; + } + this._contentLength = suggestedLength || this._contentLength; + this._filename = (0, _network_utils.extractFilenameFromHeader)(getResponseHeader); + var networkManager = this._manager; + if (networkManager.isStreamingRequest(fullRequestXhrId)) { + this._isStreamingSupported = true; + } else if (this._isRangeSupported) { + networkManager.abortRequest(fullRequestXhrId); + } + this._headersReceivedCapability.resolve(); + }, + _onProgressiveData: function PDFNetworkStreamFullRequestReader_onProgressiveData(chunk) { + if (this._requests.length > 0) { + var requestCapability = this._requests.shift(); + requestCapability.resolve({ + value: chunk, + done: false + }); + } else { + this._cachedChunks.push(chunk); + } + }, + _onDone: function PDFNetworkStreamFullRequestReader_onDone(args) { + if (args) { + this._onProgressiveData(args.chunk); + } + this._done = true; + if (this._cachedChunks.length > 0) { + return; + } + this._requests.forEach(function (requestCapability) { + requestCapability.resolve({ + value: undefined, + done: true + }); + }); + this._requests = []; + }, + _onError: function PDFNetworkStreamFullRequestReader_onError(status) { + var url = this._url; + var exception = (0, _network_utils.createResponseStatusError)(status, url); + this._storedError = exception; + this._headersReceivedCapability.reject(exception); + this._requests.forEach(function (requestCapability) { + requestCapability.reject(exception); + }); + this._requests = []; + this._cachedChunks = []; + }, + _onProgress: function PDFNetworkStreamFullRequestReader_onProgress(data) { + if (this.onProgress) { + this.onProgress({ + loaded: data.loaded, + total: data.lengthComputable ? data.total : this._contentLength + }); + } + }, + get filename() { + return this._filename; + }, + get isRangeSupported() { + return this._isRangeSupported; + }, + get isStreamingSupported() { + return this._isStreamingSupported; + }, + get contentLength() { + return this._contentLength; + }, + get headersReady() { + return this._headersReceivedCapability.promise; + }, + read: function () { + var _ref = _asyncToGenerator( /*#__PURE__*/_regenerator2.default.mark(function _callee() { + var chunk, requestCapability; + return _regenerator2.default.wrap(function _callee$(_context) { + while (1) { + switch (_context.prev = _context.next) { + case 0: + if (!this._storedError) { + _context.next = 2; + break; } - if (buffer === '..') { - this._path.pop(); - if (c !== '/' && c !== '\\') { - this._path.push(''); - } - } else if (buffer === '.' && c !== '/' && c !== '\\') { - this._path.push(''); - } else if (buffer !== '.') { - if (this._scheme === 'file' && this._path.length === 0 && buffer.length === 2 && ALPHA.test(buffer[0]) && buffer[1] === '|') { - buffer = buffer[0] + ':'; - } - this._path.push(buffer); + + throw this._storedError; + + case 2: + if (!(this._cachedChunks.length > 0)) { + _context.next = 5; + break; } - buffer = ''; - if (c === '?') { - this._query = '?'; - state = 'query'; - } else if (c === '#') { - this._fragment = '#'; - state = 'fragment'; + + chunk = this._cachedChunks.shift(); + return _context.abrupt('return', { + value: chunk, + done: false + }); + + case 5: + if (!this._done) { + _context.next = 7; + break; } - } else if (c !== '\t' && c !== '\n' && c !== '\r') { - buffer += percentEscape(c); - } - break; - case 'query': - if (!stateOverride && c === '#') { - this._fragment = '#'; - state = 'fragment'; - } else if (c !== EOF && c !== '\t' && c !== '\n' && c !== '\r') { - this._query += percentEscapeQuery(c); - } - break; - case 'fragment': - if (c !== EOF && c !== '\t' && c !== '\n' && c !== '\r') { - this._fragment += c; - } - break; + + return _context.abrupt('return', { + value: undefined, + done: true + }); + + case 7: + requestCapability = (0, _util.createPromiseCapability)(); + + this._requests.push(requestCapability); + return _context.abrupt('return', requestCapability.promise); + + case 10: + case 'end': + return _context.stop(); + } } - cursor++; - } - } - function clear() { - this._scheme = ''; - this._schemeData = ''; - this._username = ''; - this._password = null; - this._host = ''; - this._port = ''; - this._path = []; - this._query = ''; - this._fragment = ''; - this._isInvalid = false; - this._isRelative = false; - } - function JURL(url, base) { - if (base !== undefined && !(base instanceof JURL)) { - base = new JURL(String(base)); - } - this._url = url; - clear.call(this); - var input = url.replace(/^[ \t\r\n\f]+|[ \t\r\n\f]+$/g, ''); - parse.call(this, input, null, base); + }, _callee, this); + })); + + function read() { + return _ref.apply(this, arguments); } - JURL.prototype = { - toString: function toString() { - return this.href; - }, - get href() { - if (this._isInvalid) { - return this._url; - } - var authority = ''; - if (this._username !== '' || this._password !== null) { - authority = this._username + (this._password !== null ? ':' + this._password : '') + '@'; - } - return this.protocol + (this._isRelative ? '//' + authority + this.host : '') + this.pathname + this._query + this._fragment; - }, - set href(value) { - clear.call(this); - parse.call(this, value); - }, - get protocol() { - return this._scheme + ':'; - }, - set protocol(value) { - if (this._isInvalid) { - return; - } - parse.call(this, value + ':', 'scheme start'); - }, - get host() { - return this._isInvalid ? '' : this._port ? this._host + ':' + this._port : this._host; - }, - set host(value) { - if (this._isInvalid || !this._isRelative) { - return; - } - parse.call(this, value, 'host'); - }, - get hostname() { - return this._host; - }, - set hostname(value) { - if (this._isInvalid || !this._isRelative) { - return; - } - parse.call(this, value, 'hostname'); - }, - get port() { - return this._port; - }, - set port(value) { - if (this._isInvalid || !this._isRelative) { - return; - } - parse.call(this, value, 'port'); - }, - get pathname() { - return this._isInvalid ? '' : this._isRelative ? '/' + this._path.join('/') : this._schemeData; - }, - set pathname(value) { - if (this._isInvalid || !this._isRelative) { - return; - } - this._path = []; - parse.call(this, value, 'relative path start'); - }, - get search() { - return this._isInvalid || !this._query || this._query === '?' ? '' : this._query; - }, - set search(value) { - if (this._isInvalid || !this._isRelative) { - return; - } - this._query = '?'; - if (value[0] === '?') { - value = value.slice(1); - } - parse.call(this, value, 'query'); - }, - get hash() { - return this._isInvalid || !this._fragment || this._fragment === '#' ? '' : this._fragment; - }, - set hash(value) { - if (this._isInvalid) { - return; - } - this._fragment = '#'; - if (value[0] === '#') { - value = value.slice(1); - } - parse.call(this, value, 'fragment'); - }, - get origin() { - var host; - if (this._isInvalid || !this._scheme) { - return ''; - } - switch (this._scheme) { - case 'data': - case 'file': - case 'javascript': - case 'mailto': - return 'null'; - case 'blob': - try { - return new JURL(this._schemeData).origin || 'null'; - } catch (_) {} - return 'null'; - } - host = this.host; - if (!host) { - return ''; - } - return this._scheme + '://' + host; - } - }; - var OriginalURL = globalScope.URL; - if (OriginalURL) { - JURL.createObjectURL = function (blob) { - return OriginalURL.createObjectURL.apply(OriginalURL, arguments); - }; - JURL.revokeObjectURL = function (url) { - OriginalURL.revokeObjectURL(url); - }; + return read; + }(), + + cancel: function PDFNetworkStreamFullRequestReader_cancel(reason) { + this._done = true; + this._headersReceivedCapability.reject(reason); + this._requests.forEach(function (requestCapability) { + requestCapability.resolve({ + value: undefined, + done: true + }); + }); + this._requests = []; + if (this._manager.isPendingRequest(this._fullRequestId)) { + this._manager.abortRequest(this._fullRequestId); } - globalScope.URL = JURL; - })(); + this._fullRequestReader = null; + } +}; +function PDFNetworkStreamRangeRequestReader(manager, begin, end) { + this._manager = manager; + var args = { + onDone: this._onDone.bind(this), + onProgress: this._onProgress.bind(this) + }; + this._requestId = manager.requestRange(begin, end, args); + this._requests = []; + this._queuedChunk = null; + this._done = false; + this.onProgress = null; + this.onClosed = null; } +PDFNetworkStreamRangeRequestReader.prototype = { + _close: function PDFNetworkStreamRangeRequestReader_close() { + if (this.onClosed) { + this.onClosed(this); + } + }, + _onDone: function PDFNetworkStreamRangeRequestReader_onDone(data) { + var chunk = data.chunk; + if (this._requests.length > 0) { + var requestCapability = this._requests.shift(); + requestCapability.resolve({ + value: chunk, + done: false + }); + } else { + this._queuedChunk = chunk; + } + this._done = true; + this._requests.forEach(function (requestCapability) { + requestCapability.resolve({ + value: undefined, + done: true + }); + }); + this._requests = []; + this._close(); + }, + _onProgress: function PDFNetworkStreamRangeRequestReader_onProgress(evt) { + if (!this.isStreamingSupported && this.onProgress) { + this.onProgress({ loaded: evt.loaded }); + } + }, + get isStreamingSupported() { + return false; + }, + read: function () { + var _ref2 = _asyncToGenerator( /*#__PURE__*/_regenerator2.default.mark(function _callee2() { + var chunk, requestCapability; + return _regenerator2.default.wrap(function _callee2$(_context2) { + while (1) { + switch (_context2.prev = _context2.next) { + case 0: + if (!(this._queuedChunk !== null)) { + _context2.next = 4; + break; + } -/***/ }), -/* 17 */ -/***/ (function(module, exports, __w_pdfjs_require__) { + chunk = this._queuedChunk; -"use strict"; + this._queuedChunk = null; + return _context2.abrupt('return', { + value: chunk, + done: false + }); + case 4: + if (!this._done) { + _context2.next = 6; + break; + } -var isReadableStreamSupported = false; -if (typeof ReadableStream !== 'undefined') { - try { - new ReadableStream({ - start: function start(controller) { - controller.close(); - } + return _context2.abrupt('return', { + value: undefined, + done: true + }); + + case 6: + requestCapability = (0, _util.createPromiseCapability)(); + + this._requests.push(requestCapability); + return _context2.abrupt('return', requestCapability.promise); + + case 9: + case 'end': + return _context2.stop(); + } + } + }, _callee2, this); + })); + + function read() { + return _ref2.apply(this, arguments); + } + + return read; + }(), + + cancel: function PDFNetworkStreamRangeRequestReader_cancel(reason) { + this._done = true; + this._requests.forEach(function (requestCapability) { + requestCapability.resolve({ + value: undefined, + done: true + }); }); - isReadableStreamSupported = true; - } catch (e) {} -} -if (isReadableStreamSupported) { - exports.ReadableStream = ReadableStream; -} else { - exports.ReadableStream = __w_pdfjs_require__(10).ReadableStream; -} + this._requests = []; + if (this._manager.isPendingRequest(this._requestId)) { + this._manager.abortRequest(this._requestId); + } + this._close(); + } +}; +exports.PDFNetworkStream = PDFNetworkStream; +exports.NetworkManager = NetworkManager; /***/ }) /******/ ]); diff --git a/vendor/pdfjs/build/pdf.js.map b/vendor/pdfjs/build/pdf.js.map index d50a381..57e89d8 100644 --- a/vendor/pdfjs/build/pdf.js.map +++ b/vendor/pdfjs/build/pdf.js.map @@ -1 +1 @@ -{"version":3,"sources":["webpack:///webpack/universalModuleDefinition","webpack:///webpack/bootstrap 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0x0100000,\n MULTISELECT: 0x0200000,\n DONOTSPELLCHECK: 0x0400000,\n DONOTSCROLL: 0x0800000,\n COMB: 0x1000000,\n RICHTEXT: 0x2000000,\n RADIOSINUNISON: 0x2000000,\n COMMITONSELCHANGE: 0x4000000,\n};\n\nvar AnnotationBorderStyleType = {\n SOLID: 1,\n DASHED: 2,\n BEVELED: 3,\n INSET: 4,\n UNDERLINE: 5,\n};\n\nvar StreamType = {\n UNKNOWN: 0,\n FLATE: 1,\n LZW: 2,\n DCT: 3,\n JPX: 4,\n JBIG: 5,\n A85: 6,\n AHX: 7,\n CCF: 8,\n RL: 9,\n};\n\nvar FontType = {\n UNKNOWN: 0,\n TYPE1: 1,\n TYPE1C: 2,\n CIDFONTTYPE0: 3,\n CIDFONTTYPE0C: 4,\n TRUETYPE: 5,\n CIDFONTTYPE2: 6,\n TYPE3: 7,\n OPENTYPE: 8,\n TYPE0: 9,\n MMTYPE1: 10,\n};\n\nvar VERBOSITY_LEVELS = {\n errors: 0,\n warnings: 1,\n infos: 5,\n};\n\nvar CMapCompressionType = {\n NONE: 0,\n BINARY: 1,\n STREAM: 2,\n};\n\n// All the possible operations for an operator list.\nvar OPS = {\n // Intentionally start from 1 so it is easy to spot bad operators that will be\n // 0's.\n dependency: 1,\n setLineWidth: 2,\n setLineCap: 3,\n setLineJoin: 4,\n setMiterLimit: 5,\n setDash: 6,\n setRenderingIntent: 7,\n setFlatness: 8,\n setGState: 9,\n save: 10,\n restore: 11,\n transform: 12,\n moveTo: 13,\n lineTo: 14,\n curveTo: 15,\n curveTo2: 16,\n curveTo3: 17,\n closePath: 18,\n rectangle: 19,\n stroke: 20,\n closeStroke: 21,\n fill: 22,\n eoFill: 23,\n fillStroke: 24,\n eoFillStroke: 25,\n closeFillStroke: 26,\n closeEOFillStroke: 27,\n endPath: 28,\n clip: 29,\n eoClip: 30,\n beginText: 31,\n endText: 32,\n setCharSpacing: 33,\n setWordSpacing: 34,\n setHScale: 35,\n setLeading: 36,\n setFont: 37,\n setTextRenderingMode: 38,\n setTextRise: 39,\n moveText: 40,\n setLeadingMoveText: 41,\n setTextMatrix: 42,\n nextLine: 43,\n showText: 44,\n showSpacedText: 45,\n nextLineShowText: 46,\n nextLineSetSpacingShowText: 47,\n setCharWidth: 48,\n setCharWidthAndBounds: 49,\n setStrokeColorSpace: 50,\n setFillColorSpace: 51,\n setStrokeColor: 52,\n setStrokeColorN: 53,\n setFillColor: 54,\n setFillColorN: 55,\n setStrokeGray: 56,\n setFillGray: 57,\n setStrokeRGBColor: 58,\n setFillRGBColor: 59,\n setStrokeCMYKColor: 60,\n setFillCMYKColor: 61,\n shadingFill: 62,\n beginInlineImage: 63,\n beginImageData: 64,\n endInlineImage: 65,\n paintXObject: 66,\n markPoint: 67,\n markPointProps: 68,\n beginMarkedContent: 69,\n beginMarkedContentProps: 70,\n endMarkedContent: 71,\n beginCompat: 72,\n endCompat: 73,\n paintFormXObjectBegin: 74,\n paintFormXObjectEnd: 75,\n beginGroup: 76,\n endGroup: 77,\n beginAnnotations: 78,\n endAnnotations: 79,\n beginAnnotation: 80,\n endAnnotation: 81,\n paintJpegXObject: 82,\n paintImageMaskXObject: 83,\n paintImageMaskXObjectGroup: 84,\n paintImageXObject: 85,\n paintInlineImageXObject: 86,\n paintInlineImageXObjectGroup: 87,\n paintImageXObjectRepeat: 88,\n paintImageMaskXObjectRepeat: 89,\n paintSolidColorImageMask: 90,\n constructPath: 91,\n};\n\nvar verbosity = VERBOSITY_LEVELS.warnings;\n\nfunction setVerbosityLevel(level) {\n verbosity = level;\n}\n\nfunction getVerbosityLevel() {\n return verbosity;\n}\n\n// A notice for devs. These are good for things that are helpful to devs, such\n// as warning that Workers were disabled, which is important to devs but not\n// end users.\nfunction info(msg) {\n if (verbosity >= VERBOSITY_LEVELS.infos) {\n console.log('Info: ' + msg);\n }\n}\n\n// Non-fatal warnings.\nfunction warn(msg) {\n if (verbosity >= VERBOSITY_LEVELS.warnings) {\n console.log('Warning: ' + msg);\n }\n}\n\n// Deprecated API function -- display regardless of the PDFJS.verbosity setting.\nfunction deprecated(details) {\n console.log('Deprecated API usage: ' + details);\n}\n\nfunction unreachable(msg) {\n throw new Error(msg);\n}\n\nfunction assert(cond, msg) {\n if (!cond) {\n unreachable(msg);\n }\n}\n\nvar UNSUPPORTED_FEATURES = {\n unknown: 'unknown',\n forms: 'forms',\n javaScript: 'javaScript',\n smask: 'smask',\n shadingPattern: 'shadingPattern',\n font: 'font',\n};\n\n// Checks if URLs have the same origin. For non-HTTP based URLs, returns false.\nfunction isSameOrigin(baseUrl, otherUrl) {\n try {\n var base = new URL(baseUrl);\n if (!base.origin || base.origin === 'null') {\n return false; // non-HTTP url\n }\n } catch (e) {\n return false;\n }\n\n var other = new URL(otherUrl, base);\n return base.origin === other.origin;\n}\n\n// Checks if URLs use one of the whitelisted protocols, e.g. to avoid XSS.\nfunction isValidProtocol(url) {\n if (!url) {\n return false;\n }\n switch (url.protocol) {\n case 'http:':\n case 'https:':\n case 'ftp:':\n case 'mailto:':\n case 'tel:':\n return true;\n default:\n return false;\n }\n}\n\n/**\n * Attempts to create a valid absolute URL (utilizing `isValidProtocol`).\n * @param {URL|string} url - An absolute, or relative, URL.\n * @param {URL|string} baseUrl - An absolute URL.\n * @returns Either a valid {URL}, or `null` otherwise.\n */\nfunction createValidAbsoluteUrl(url, baseUrl) {\n if (!url) {\n return null;\n }\n try {\n var absoluteUrl = baseUrl ? new URL(url, baseUrl) : new URL(url);\n if (isValidProtocol(absoluteUrl)) {\n return absoluteUrl;\n }\n } catch (ex) { /* `new URL()` will throw on incorrect data. */ }\n return null;\n}\n\nfunction shadow(obj, prop, value) {\n Object.defineProperty(obj, prop, { value,\n enumerable: true,\n configurable: true,\n writable: false, });\n return value;\n}\n\nfunction getLookupTableFactory(initializer) {\n var lookup;\n return function () {\n if (initializer) {\n lookup = Object.create(null);\n initializer(lookup);\n initializer = null;\n }\n return lookup;\n };\n}\n\nvar PasswordResponses = {\n NEED_PASSWORD: 1,\n INCORRECT_PASSWORD: 2,\n};\n\nvar PasswordException = (function PasswordExceptionClosure() {\n function PasswordException(msg, code) {\n this.name = 'PasswordException';\n this.message = msg;\n this.code = code;\n }\n\n PasswordException.prototype = new Error();\n PasswordException.constructor = PasswordException;\n\n return PasswordException;\n})();\n\nvar UnknownErrorException = (function UnknownErrorExceptionClosure() {\n function UnknownErrorException(msg, details) {\n this.name = 'UnknownErrorException';\n this.message = msg;\n this.details = details;\n }\n\n UnknownErrorException.prototype = new Error();\n UnknownErrorException.constructor = UnknownErrorException;\n\n return UnknownErrorException;\n})();\n\nvar InvalidPDFException = (function InvalidPDFExceptionClosure() {\n function InvalidPDFException(msg) {\n this.name = 'InvalidPDFException';\n this.message = msg;\n }\n\n InvalidPDFException.prototype = new Error();\n InvalidPDFException.constructor = InvalidPDFException;\n\n return InvalidPDFException;\n})();\n\nvar MissingPDFException = (function MissingPDFExceptionClosure() {\n function MissingPDFException(msg) {\n this.name = 'MissingPDFException';\n this.message = msg;\n }\n\n MissingPDFException.prototype = new Error();\n MissingPDFException.constructor = MissingPDFException;\n\n return MissingPDFException;\n})();\n\nvar UnexpectedResponseException =\n (function UnexpectedResponseExceptionClosure() {\n function UnexpectedResponseException(msg, status) {\n this.name = 'UnexpectedResponseException';\n this.message = msg;\n this.status = status;\n }\n\n UnexpectedResponseException.prototype = new Error();\n UnexpectedResponseException.constructor = UnexpectedResponseException;\n\n return UnexpectedResponseException;\n})();\n\nvar NotImplementedException = (function NotImplementedExceptionClosure() {\n function NotImplementedException(msg) {\n this.message = msg;\n }\n\n NotImplementedException.prototype = new Error();\n NotImplementedException.prototype.name = 'NotImplementedException';\n NotImplementedException.constructor = NotImplementedException;\n\n return NotImplementedException;\n})();\n\nvar MissingDataException = (function MissingDataExceptionClosure() {\n function MissingDataException(begin, end) {\n this.begin = begin;\n this.end = end;\n this.message = 'Missing data [' + begin + ', ' + end + ')';\n }\n\n MissingDataException.prototype = new Error();\n MissingDataException.prototype.name = 'MissingDataException';\n MissingDataException.constructor = MissingDataException;\n\n return MissingDataException;\n})();\n\nvar XRefParseException = (function XRefParseExceptionClosure() {\n function XRefParseException(msg) {\n this.message = msg;\n }\n\n XRefParseException.prototype = new Error();\n XRefParseException.prototype.name = 'XRefParseException';\n XRefParseException.constructor = XRefParseException;\n\n return XRefParseException;\n})();\n\n/**\n * Error caused during parsing PDF data.\n */\nlet FormatError = (function FormatErrorClosure() {\n function FormatError(msg) {\n this.message = msg;\n }\n\n FormatError.prototype = new Error();\n FormatError.prototype.name = 'FormatError';\n FormatError.constructor = FormatError;\n\n return FormatError;\n})();\n\n/**\n * Error used to indicate task cancellation.\n */\nlet AbortException = (function AbortExceptionClosure() {\n function AbortException(msg) {\n this.name = 'AbortException';\n this.message = msg;\n }\n\n AbortException.prototype = new Error();\n AbortException.constructor = AbortException;\n\n return AbortException;\n})();\n\nvar NullCharactersRegExp = /\\x00/g;\n\nfunction removeNullCharacters(str) {\n if (typeof str !== 'string') {\n warn('The argument for removeNullCharacters must be a string.');\n return str;\n }\n return str.replace(NullCharactersRegExp, '');\n}\n\nfunction bytesToString(bytes) {\n assert(bytes !== null && typeof bytes === 'object' &&\n bytes.length !== undefined, 'Invalid argument for bytesToString');\n var length = bytes.length;\n var MAX_ARGUMENT_COUNT = 8192;\n if (length < MAX_ARGUMENT_COUNT) {\n return String.fromCharCode.apply(null, bytes);\n }\n var strBuf = [];\n for (var i = 0; i < length; i += MAX_ARGUMENT_COUNT) {\n var chunkEnd = Math.min(i + MAX_ARGUMENT_COUNT, length);\n var chunk = bytes.subarray(i, chunkEnd);\n strBuf.push(String.fromCharCode.apply(null, chunk));\n }\n return strBuf.join('');\n}\n\nfunction stringToBytes(str) {\n assert(typeof str === 'string', 'Invalid argument for stringToBytes');\n var length = str.length;\n var bytes = new Uint8Array(length);\n for (var i = 0; i < length; ++i) {\n bytes[i] = str.charCodeAt(i) & 0xFF;\n }\n return bytes;\n}\n\n/**\n * Gets length of the array (Array, Uint8Array, or string) in bytes.\n * @param {Array|Uint8Array|string} arr\n * @returns {number}\n */\nfunction arrayByteLength(arr) {\n if (arr.length !== undefined) {\n return arr.length;\n }\n assert(arr.byteLength !== undefined);\n return arr.byteLength;\n}\n\n/**\n * Combines array items (arrays) into single Uint8Array object.\n * @param {Array} arr - the array of the arrays (Array, Uint8Array, or string).\n * @returns {Uint8Array}\n */\nfunction arraysToBytes(arr) {\n // Shortcut: if first and only item is Uint8Array, return it.\n if (arr.length === 1 && (arr[0] instanceof Uint8Array)) {\n return arr[0];\n }\n var resultLength = 0;\n var i, ii = arr.length;\n var item, itemLength;\n for (i = 0; i < ii; i++) {\n item = arr[i];\n itemLength = arrayByteLength(item);\n resultLength += itemLength;\n }\n var pos = 0;\n var data = new Uint8Array(resultLength);\n for (i = 0; i < ii; i++) {\n item = arr[i];\n if (!(item instanceof Uint8Array)) {\n if (typeof item === 'string') {\n item = stringToBytes(item);\n } else {\n item = new Uint8Array(item);\n }\n }\n itemLength = item.byteLength;\n data.set(item, pos);\n pos += itemLength;\n }\n return data;\n}\n\nfunction string32(value) {\n return String.fromCharCode((value >> 24) & 0xff, (value >> 16) & 0xff,\n (value >> 8) & 0xff, value & 0xff);\n}\n\nfunction log2(x) {\n var n = 1, i = 0;\n while (x > n) {\n n <<= 1;\n i++;\n }\n return i;\n}\n\nfunction readInt8(data, start) {\n return (data[start] << 24) >> 24;\n}\n\nfunction readUint16(data, offset) {\n return (data[offset] << 8) | data[offset + 1];\n}\n\nfunction readUint32(data, offset) {\n return ((data[offset] << 24) | (data[offset + 1] << 16) |\n (data[offset + 2] << 8) | data[offset + 3]) >>> 0;\n}\n\n// Lazy test the endianness of the platform\n// NOTE: This will be 'true' for simulated TypedArrays\nfunction isLittleEndian() {\n var buffer8 = new Uint8Array(4);\n buffer8[0] = 1;\n var view32 = new Uint32Array(buffer8.buffer, 0, 1);\n return (view32[0] === 1);\n}\n\n// Checks if it's possible to eval JS expressions.\nfunction isEvalSupported() {\n try {\n new Function(''); // eslint-disable-line no-new, no-new-func\n return true;\n } catch (e) {\n return false;\n }\n}\n\nvar IDENTITY_MATRIX = [1, 0, 0, 1, 0, 0];\n\nvar Util = (function UtilClosure() {\n function Util() {}\n\n var rgbBuf = ['rgb(', 0, ',', 0, ',', 0, ')'];\n\n // makeCssRgb() can be called thousands of times. Using |rgbBuf| avoids\n // creating many intermediate strings.\n Util.makeCssRgb = function Util_makeCssRgb(r, g, b) {\n rgbBuf[1] = r;\n rgbBuf[3] = g;\n rgbBuf[5] = b;\n return rgbBuf.join('');\n };\n\n // Concatenates two transformation matrices together and returns the result.\n Util.transform = function Util_transform(m1, m2) {\n return [\n m1[0] * m2[0] + m1[2] * m2[1],\n m1[1] * m2[0] + m1[3] * m2[1],\n m1[0] * m2[2] + m1[2] * m2[3],\n m1[1] * m2[2] + m1[3] * m2[3],\n m1[0] * m2[4] + m1[2] * m2[5] + m1[4],\n m1[1] * m2[4] + m1[3] * m2[5] + m1[5]\n ];\n };\n\n // For 2d affine transforms\n Util.applyTransform = function Util_applyTransform(p, m) {\n var xt = p[0] * m[0] + p[1] * m[2] + m[4];\n var yt = p[0] * m[1] + p[1] * m[3] + m[5];\n return [xt, yt];\n };\n\n Util.applyInverseTransform = function Util_applyInverseTransform(p, m) {\n var d = m[0] * m[3] - m[1] * m[2];\n var xt = (p[0] * m[3] - p[1] * m[2] + m[2] * m[5] - m[4] * m[3]) / d;\n var yt = (-p[0] * m[1] + p[1] * m[0] + m[4] * m[1] - m[5] * m[0]) / d;\n return [xt, yt];\n };\n\n // Applies the transform to the rectangle and finds the minimum axially\n // aligned bounding box.\n Util.getAxialAlignedBoundingBox =\n function Util_getAxialAlignedBoundingBox(r, m) {\n\n var p1 = Util.applyTransform(r, m);\n var p2 = Util.applyTransform(r.slice(2, 4), m);\n var p3 = Util.applyTransform([r[0], r[3]], m);\n var p4 = Util.applyTransform([r[2], r[1]], m);\n return [\n Math.min(p1[0], p2[0], p3[0], p4[0]),\n Math.min(p1[1], p2[1], p3[1], p4[1]),\n Math.max(p1[0], p2[0], p3[0], p4[0]),\n Math.max(p1[1], p2[1], p3[1], p4[1])\n ];\n };\n\n Util.inverseTransform = function Util_inverseTransform(m) {\n var d = m[0] * m[3] - m[1] * m[2];\n return [m[3] / d, -m[1] / d, -m[2] / d, m[0] / d,\n (m[2] * m[5] - m[4] * m[3]) / d, (m[4] * m[1] - m[5] * m[0]) / d];\n };\n\n // Apply a generic 3d matrix M on a 3-vector v:\n // | a b c | | X |\n // | d e f | x | Y |\n // | g h i | | Z |\n // M is assumed to be serialized as [a,b,c,d,e,f,g,h,i],\n // with v as [X,Y,Z]\n Util.apply3dTransform = function Util_apply3dTransform(m, v) {\n return [\n m[0] * v[0] + m[1] * v[1] + m[2] * v[2],\n m[3] * v[0] + m[4] * v[1] + m[5] * v[2],\n m[6] * v[0] + m[7] * v[1] + m[8] * v[2]\n ];\n };\n\n // This calculation uses Singular Value Decomposition.\n // The SVD can be represented with formula A = USV. We are interested in the\n // matrix S here because it represents the scale values.\n Util.singularValueDecompose2dScale =\n function Util_singularValueDecompose2dScale(m) {\n\n var transpose = [m[0], m[2], m[1], m[3]];\n\n // Multiply matrix m with its transpose.\n var a = m[0] * transpose[0] + m[1] * transpose[2];\n var b = m[0] * transpose[1] + m[1] * transpose[3];\n var c = m[2] * transpose[0] + m[3] * transpose[2];\n var d = m[2] * transpose[1] + m[3] * transpose[3];\n\n // Solve the second degree polynomial to get roots.\n var first = (a + d) / 2;\n var second = Math.sqrt((a + d) * (a + d) - 4 * (a * d - c * b)) / 2;\n var sx = first + second || 1;\n var sy = first - second || 1;\n\n // Scale values are the square roots of the eigenvalues.\n return [Math.sqrt(sx), Math.sqrt(sy)];\n };\n\n // Normalize rectangle rect=[x1, y1, x2, y2] so that (x1,y1) < (x2,y2)\n // For coordinate systems whose origin lies in the bottom-left, this\n // means normalization to (BL,TR) ordering. For systems with origin in the\n // top-left, this means (TL,BR) ordering.\n Util.normalizeRect = function Util_normalizeRect(rect) {\n var r = rect.slice(0); // clone rect\n if (rect[0] > rect[2]) {\n r[0] = rect[2];\n r[2] = rect[0];\n }\n if (rect[1] > rect[3]) {\n r[1] = rect[3];\n r[3] = rect[1];\n }\n return r;\n };\n\n // Returns a rectangle [x1, y1, x2, y2] corresponding to the\n // intersection of rect1 and rect2. If no intersection, returns 'false'\n // The rectangle coordinates of rect1, rect2 should be [x1, y1, x2, y2]\n Util.intersect = function Util_intersect(rect1, rect2) {\n function compare(a, b) {\n return a - b;\n }\n\n // Order points along the axes\n var orderedX = [rect1[0], rect1[2], rect2[0], rect2[2]].sort(compare),\n orderedY = [rect1[1], rect1[3], rect2[1], rect2[3]].sort(compare),\n result = [];\n\n rect1 = Util.normalizeRect(rect1);\n rect2 = Util.normalizeRect(rect2);\n\n // X: first and second points belong to different rectangles?\n if ((orderedX[0] === rect1[0] && orderedX[1] === rect2[0]) ||\n (orderedX[0] === rect2[0] && orderedX[1] === rect1[0])) {\n // Intersection must be between second and third points\n result[0] = orderedX[1];\n result[2] = orderedX[2];\n } else {\n return false;\n }\n\n // Y: first and second points belong to different rectangles?\n if ((orderedY[0] === rect1[1] && orderedY[1] === rect2[1]) ||\n (orderedY[0] === rect2[1] && orderedY[1] === rect1[1])) {\n // Intersection must be between second and third points\n result[1] = orderedY[1];\n result[3] = orderedY[2];\n } else {\n return false;\n }\n\n return result;\n };\n\n Util.sign = function Util_sign(num) {\n return num < 0 ? -1 : 1;\n };\n\n var ROMAN_NUMBER_MAP = [\n '', 'C', 'CC', 'CCC', 'CD', 'D', 'DC', 'DCC', 'DCCC', 'CM',\n '', 'X', 'XX', 'XXX', 'XL', 'L', 'LX', 'LXX', 'LXXX', 'XC',\n '', 'I', 'II', 'III', 'IV', 'V', 'VI', 'VII', 'VIII', 'IX'\n ];\n /**\n * Converts positive integers to (upper case) Roman numerals.\n * @param {integer} number - The number that should be converted.\n * @param {boolean} lowerCase - Indicates if the result should be converted\n * to lower case letters. The default is false.\n * @return {string} The resulting Roman number.\n */\n Util.toRoman = function Util_toRoman(number, lowerCase) {\n assert(isInt(number) && number > 0,\n 'The number should be a positive integer.');\n var pos, romanBuf = [];\n // Thousands\n while (number >= 1000) {\n number -= 1000;\n romanBuf.push('M');\n }\n // Hundreds\n pos = (number / 100) | 0;\n number %= 100;\n romanBuf.push(ROMAN_NUMBER_MAP[pos]);\n // Tens\n pos = (number / 10) | 0;\n number %= 10;\n romanBuf.push(ROMAN_NUMBER_MAP[10 + pos]);\n // Ones\n romanBuf.push(ROMAN_NUMBER_MAP[20 + number]);\n\n var romanStr = romanBuf.join('');\n return (lowerCase ? romanStr.toLowerCase() : romanStr);\n };\n\n Util.appendToArray = function Util_appendToArray(arr1, arr2) {\n Array.prototype.push.apply(arr1, arr2);\n };\n\n Util.prependToArray = function Util_prependToArray(arr1, arr2) {\n Array.prototype.unshift.apply(arr1, arr2);\n };\n\n Util.extendObj = function extendObj(obj1, obj2) {\n for (var key in obj2) {\n obj1[key] = obj2[key];\n }\n };\n\n Util.getInheritableProperty =\n function Util_getInheritableProperty(dict, name, getArray) {\n while (dict && !dict.has(name)) {\n dict = dict.get('Parent');\n }\n if (!dict) {\n return null;\n }\n return getArray ? dict.getArray(name) : dict.get(name);\n };\n\n Util.inherit = function Util_inherit(sub, base, prototype) {\n sub.prototype = Object.create(base.prototype);\n sub.prototype.constructor = sub;\n for (var prop in prototype) {\n sub.prototype[prop] = prototype[prop];\n }\n };\n\n Util.loadScript = function Util_loadScript(src, callback) {\n var script = document.createElement('script');\n var loaded = false;\n script.setAttribute('src', src);\n if (callback) {\n script.onload = function() {\n if (!loaded) {\n callback();\n }\n loaded = true;\n };\n }\n document.getElementsByTagName('head')[0].appendChild(script);\n };\n\n return Util;\n})();\n\n/**\n * PDF page viewport created based on scale, rotation and offset.\n * @class\n * @alias PageViewport\n */\nvar PageViewport = (function PageViewportClosure() {\n /**\n * @constructor\n * @private\n * @param viewBox {Array} xMin, yMin, xMax and yMax coordinates.\n * @param scale {number} scale of the viewport.\n * @param rotation {number} rotations of the viewport in degrees.\n * @param offsetX {number} offset X\n * @param offsetY {number} offset Y\n * @param dontFlip {boolean} if true, axis Y will not be flipped.\n */\n function PageViewport(viewBox, scale, rotation, offsetX, offsetY, dontFlip) {\n this.viewBox = viewBox;\n this.scale = scale;\n this.rotation = rotation;\n this.offsetX = offsetX;\n this.offsetY = offsetY;\n\n // creating transform to convert pdf coordinate system to the normal\n // canvas like coordinates taking in account scale and rotation\n var centerX = (viewBox[2] + viewBox[0]) / 2;\n var centerY = (viewBox[3] + viewBox[1]) / 2;\n var rotateA, rotateB, rotateC, rotateD;\n rotation = rotation % 360;\n rotation = rotation < 0 ? rotation + 360 : rotation;\n switch (rotation) {\n case 180:\n rotateA = -1; rotateB = 0; rotateC = 0; rotateD = 1;\n break;\n case 90:\n rotateA = 0; rotateB = 1; rotateC = 1; rotateD = 0;\n break;\n case 270:\n rotateA = 0; rotateB = -1; rotateC = -1; rotateD = 0;\n break;\n // case 0:\n default:\n rotateA = 1; rotateB = 0; rotateC = 0; rotateD = -1;\n break;\n }\n\n if (dontFlip) {\n rotateC = -rotateC; rotateD = -rotateD;\n }\n\n var offsetCanvasX, offsetCanvasY;\n var width, height;\n if (rotateA === 0) {\n offsetCanvasX = Math.abs(centerY - viewBox[1]) * scale + offsetX;\n offsetCanvasY = Math.abs(centerX - viewBox[0]) * scale + offsetY;\n width = Math.abs(viewBox[3] - viewBox[1]) * scale;\n height = Math.abs(viewBox[2] - viewBox[0]) * scale;\n } else {\n offsetCanvasX = Math.abs(centerX - viewBox[0]) * scale + offsetX;\n offsetCanvasY = Math.abs(centerY - viewBox[1]) * scale + offsetY;\n width = Math.abs(viewBox[2] - viewBox[0]) * scale;\n height = Math.abs(viewBox[3] - viewBox[1]) * scale;\n }\n // creating transform for the following operations:\n // translate(-centerX, -centerY), rotate and flip vertically,\n // scale, and translate(offsetCanvasX, offsetCanvasY)\n this.transform = [\n rotateA * scale,\n rotateB * scale,\n rotateC * scale,\n rotateD * scale,\n offsetCanvasX - rotateA * scale * centerX - rotateC * scale * centerY,\n offsetCanvasY - rotateB * scale * centerX - rotateD * scale * centerY\n ];\n\n this.width = width;\n this.height = height;\n this.fontScale = scale;\n }\n PageViewport.prototype = /** @lends PageViewport.prototype */ {\n /**\n * Clones viewport with additional properties.\n * @param args {Object} (optional) If specified, may contain the 'scale' or\n * 'rotation' properties to override the corresponding properties in\n * the cloned viewport.\n * @returns {PageViewport} Cloned viewport.\n */\n clone: function PageViewPort_clone(args) {\n args = args || {};\n var scale = 'scale' in args ? args.scale : this.scale;\n var rotation = 'rotation' in args ? args.rotation : this.rotation;\n return new PageViewport(this.viewBox.slice(), scale, rotation,\n this.offsetX, this.offsetY, args.dontFlip);\n },\n /**\n * Converts PDF point to the viewport coordinates. For examples, useful for\n * converting PDF location into canvas pixel coordinates.\n * @param x {number} X coordinate.\n * @param y {number} Y coordinate.\n * @returns {Object} Object that contains 'x' and 'y' properties of the\n * point in the viewport coordinate space.\n * @see {@link convertToPdfPoint}\n * @see {@link convertToViewportRectangle}\n */\n convertToViewportPoint: function PageViewport_convertToViewportPoint(x, y) {\n return Util.applyTransform([x, y], this.transform);\n },\n /**\n * Converts PDF rectangle to the viewport coordinates.\n * @param rect {Array} xMin, yMin, xMax and yMax coordinates.\n * @returns {Array} Contains corresponding coordinates of the rectangle\n * in the viewport coordinate space.\n * @see {@link convertToViewportPoint}\n */\n convertToViewportRectangle:\n function PageViewport_convertToViewportRectangle(rect) {\n var tl = Util.applyTransform([rect[0], rect[1]], this.transform);\n var br = Util.applyTransform([rect[2], rect[3]], this.transform);\n return [tl[0], tl[1], br[0], br[1]];\n },\n /**\n * Converts viewport coordinates to the PDF location. For examples, useful\n * for converting canvas pixel location into PDF one.\n * @param x {number} X coordinate.\n * @param y {number} Y coordinate.\n * @returns {Object} Object that contains 'x' and 'y' properties of the\n * point in the PDF coordinate space.\n * @see {@link convertToViewportPoint}\n */\n convertToPdfPoint: function PageViewport_convertToPdfPoint(x, y) {\n return Util.applyInverseTransform([x, y], this.transform);\n },\n };\n return PageViewport;\n})();\n\nvar PDFStringTranslateTable = [\n 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,\n 0x2D8, 0x2C7, 0x2C6, 0x2D9, 0x2DD, 0x2DB, 0x2DA, 0x2DC, 0, 0, 0, 0, 0, 0, 0,\n 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,\n 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,\n 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,\n 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x2022, 0x2020, 0x2021, 0x2026, 0x2014,\n 0x2013, 0x192, 0x2044, 0x2039, 0x203A, 0x2212, 0x2030, 0x201E, 0x201C,\n 0x201D, 0x2018, 0x2019, 0x201A, 0x2122, 0xFB01, 0xFB02, 0x141, 0x152, 0x160,\n 0x178, 0x17D, 0x131, 0x142, 0x153, 0x161, 0x17E, 0, 0x20AC\n];\n\nfunction stringToPDFString(str) {\n var i, n = str.length, strBuf = [];\n if (str[0] === '\\xFE' && str[1] === '\\xFF') {\n // UTF16BE BOM\n for (i = 2; i < n; i += 2) {\n strBuf.push(String.fromCharCode(\n (str.charCodeAt(i) << 8) | str.charCodeAt(i + 1)));\n }\n } else {\n for (i = 0; i < n; ++i) {\n var code = PDFStringTranslateTable[str.charCodeAt(i)];\n strBuf.push(code ? String.fromCharCode(code) : str.charAt(i));\n }\n }\n return strBuf.join('');\n}\n\nfunction stringToUTF8String(str) {\n return decodeURIComponent(escape(str));\n}\n\nfunction utf8StringToString(str) {\n return unescape(encodeURIComponent(str));\n}\n\nfunction isEmptyObj(obj) {\n for (var key in obj) {\n return false;\n }\n return true;\n}\n\nfunction isBool(v) {\n return typeof v === 'boolean';\n}\n\nfunction isInt(v) {\n return typeof v === 'number' && ((v | 0) === v);\n}\n\nfunction isNum(v) {\n return typeof v === 'number';\n}\n\nfunction isString(v) {\n return typeof v === 'string';\n}\n\nfunction isArray(v) {\n return v instanceof Array;\n}\n\nfunction isArrayBuffer(v) {\n return typeof v === 'object' && v !== null && v.byteLength !== undefined;\n}\n\n// Checks if ch is one of the following characters: SPACE, TAB, CR or LF.\nfunction isSpace(ch) {\n return (ch === 0x20 || ch === 0x09 || ch === 0x0D || ch === 0x0A);\n}\n\nfunction isNodeJS() {\n // eslint-disable-next-line no-undef\n return typeof process === 'object' && process + '' === '[object process]';\n}\n\n/**\n * Promise Capability object.\n *\n * @typedef {Object} PromiseCapability\n * @property {Promise} promise - A promise object.\n * @property {function} resolve - Fulfills the promise.\n * @property {function} reject - Rejects the promise.\n */\n\n/**\n * Creates a promise capability object.\n * @alias createPromiseCapability\n *\n * @return {PromiseCapability} A capability object contains:\n * - a Promise, resolve and reject methods.\n */\nfunction createPromiseCapability() {\n var capability = {};\n capability.promise = new Promise(function (resolve, reject) {\n capability.resolve = resolve;\n capability.reject = reject;\n });\n return capability;\n}\n\nvar StatTimer = (function StatTimerClosure() {\n function rpad(str, pad, length) {\n while (str.length < length) {\n str += pad;\n }\n return str;\n }\n function StatTimer() {\n this.started = Object.create(null);\n this.times = [];\n this.enabled = true;\n }\n StatTimer.prototype = {\n time: function StatTimer_time(name) {\n if (!this.enabled) {\n return;\n }\n if (name in this.started) {\n warn('Timer is already running for ' + name);\n }\n this.started[name] = Date.now();\n },\n timeEnd: function StatTimer_timeEnd(name) {\n if (!this.enabled) {\n return;\n }\n if (!(name in this.started)) {\n warn('Timer has not been started for ' + name);\n }\n this.times.push({\n 'name': name,\n 'start': this.started[name],\n 'end': Date.now(),\n });\n // Remove timer from started so it can be called again.\n delete this.started[name];\n },\n toString: function StatTimer_toString() {\n var i, ii;\n var times = this.times;\n var out = '';\n // Find the longest name for padding purposes.\n var longest = 0;\n for (i = 0, ii = times.length; i < ii; ++i) {\n var name = times[i]['name'];\n if (name.length > longest) {\n longest = name.length;\n }\n }\n for (i = 0, ii = times.length; i < ii; ++i) {\n var span = times[i];\n var duration = span.end - span.start;\n out += rpad(span['name'], ' ', longest) + ' ' + duration + 'ms\\n';\n }\n return out;\n },\n };\n return StatTimer;\n})();\n\nvar createBlob = function createBlob(data, contentType) {\n if (typeof Blob !== 'undefined') {\n return new Blob([data], { type: contentType, });\n }\n throw new Error('The \"Blob\" constructor is not supported.');\n};\n\nvar createObjectURL = (function createObjectURLClosure() {\n // Blob/createObjectURL is not available, falling back to data schema.\n var digits =\n 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';\n\n return function createObjectURL(data, contentType, forceDataSchema = false) {\n if (!forceDataSchema && URL.createObjectURL) {\n var blob = createBlob(data, contentType);\n return URL.createObjectURL(blob);\n }\n\n var buffer = 'data:' + contentType + ';base64,';\n for (var i = 0, ii = data.length; i < ii; i += 3) {\n var b1 = data[i] & 0xFF;\n var b2 = data[i + 1] & 0xFF;\n var b3 = data[i + 2] & 0xFF;\n var d1 = b1 >> 2, d2 = ((b1 & 3) << 4) | (b2 >> 4);\n var d3 = i + 1 < ii ? ((b2 & 0xF) << 2) | (b3 >> 6) : 64;\n var d4 = i + 2 < ii ? (b3 & 0x3F) : 64;\n buffer += digits[d1] + digits[d2] + digits[d3] + digits[d4];\n }\n return buffer;\n };\n})();\n\nfunction resolveCall(fn, args, thisArg = null) {\n if (!fn) {\n return Promise.resolve(undefined);\n }\n return new Promise((resolve, reject) => {\n resolve(fn.apply(thisArg, args));\n });\n}\n\nfunction wrapReason(reason) {\n if (typeof reason !== 'object') {\n return reason;\n }\n switch (reason.name) {\n case 'AbortException':\n return new AbortException(reason.message);\n case 'MissingPDFException':\n return new MissingPDFException(reason.message);\n case 'UnexpectedResponseException':\n return new UnexpectedResponseException(reason.message, reason.status);\n default:\n return new UnknownErrorException(reason.message, reason.details);\n }\n}\n\nfunction resolveOrReject(capability, success, reason) {\n if (success) {\n capability.resolve();\n } else {\n capability.reject(reason);\n }\n}\n\nfunction finalize(promise) {\n return Promise.resolve(promise).catch(() => {});\n}\n\nfunction MessageHandler(sourceName, targetName, comObj) {\n this.sourceName = sourceName;\n this.targetName = targetName;\n this.comObj = comObj;\n this.callbackId = 1;\n this.streamId = 1;\n this.postMessageTransfers = true;\n this.streamSinks = Object.create(null);\n this.streamControllers = Object.create(null);\n let callbacksCapabilities = this.callbacksCapabilities = Object.create(null);\n let ah = this.actionHandler = Object.create(null);\n\n this._onComObjOnMessage = (event) => {\n let data = event.data;\n if (data.targetName !== this.sourceName) {\n return;\n }\n if (data.stream) {\n this._processStreamMessage(data);\n } else if (data.isReply) {\n let callbackId = data.callbackId;\n if (data.callbackId in callbacksCapabilities) {\n let callback = callbacksCapabilities[callbackId];\n delete callbacksCapabilities[callbackId];\n if ('error' in data) {\n callback.reject(wrapReason(data.error));\n } else {\n callback.resolve(data.data);\n }\n } else {\n throw new Error(`Cannot resolve callback ${callbackId}`);\n }\n } else if (data.action in ah) {\n let action = ah[data.action];\n if (data.callbackId) {\n let sourceName = this.sourceName;\n let targetName = data.sourceName;\n Promise.resolve().then(function () {\n return action[0].call(action[1], data.data);\n }).then((result) => {\n comObj.postMessage({\n sourceName,\n targetName,\n isReply: true,\n callbackId: data.callbackId,\n data: result,\n });\n }, (reason) => {\n if (reason instanceof Error) {\n // Serialize error to avoid \"DataCloneError\"\n reason = reason + '';\n }\n comObj.postMessage({\n sourceName,\n targetName,\n isReply: true,\n callbackId: data.callbackId,\n error: reason,\n });\n });\n } else if (data.streamId) {\n this._createStreamSink(data);\n } else {\n action[0].call(action[1], data.data);\n }\n } else {\n throw new Error(`Unknown action from worker: ${data.action}`);\n }\n };\n comObj.addEventListener('message', this._onComObjOnMessage);\n}\n\nMessageHandler.prototype = {\n on(actionName, handler, scope) {\n var ah = this.actionHandler;\n if (ah[actionName]) {\n throw new Error(`There is already an actionName called \"${actionName}\"`);\n }\n ah[actionName] = [handler, scope];\n },\n /**\n * Sends a message to the comObj to invoke the action with the supplied data.\n * @param {String} actionName - Action to call.\n * @param {JSON} data - JSON data to send.\n * @param {Array} [transfers] - Optional list of transfers/ArrayBuffers\n */\n send(actionName, data, transfers) {\n var message = {\n sourceName: this.sourceName,\n targetName: this.targetName,\n action: actionName,\n data,\n };\n this.postMessage(message, transfers);\n },\n /**\n * Sends a message to the comObj to invoke the action with the supplied data.\n * Expects that the other side will callback with the response.\n * @param {String} actionName - Action to call.\n * @param {JSON} data - JSON data to send.\n * @param {Array} [transfers] - Optional list of transfers/ArrayBuffers.\n * @returns {Promise} Promise to be resolved with response data.\n */\n sendWithPromise(actionName, data, transfers) {\n var callbackId = this.callbackId++;\n var message = {\n sourceName: this.sourceName,\n targetName: this.targetName,\n action: actionName,\n data,\n callbackId,\n };\n var capability = createPromiseCapability();\n this.callbacksCapabilities[callbackId] = capability;\n try {\n this.postMessage(message, transfers);\n } catch (e) {\n capability.reject(e);\n }\n return capability.promise;\n },\n /**\n * Sends a message to the comObj to invoke the action with the supplied data.\n * Expect that the other side will callback to signal 'start_complete'.\n * @param {String} actionName - Action to call.\n * @param {JSON} data - JSON data to send.\n * @param {Object} queueingStrategy - strategy to signal backpressure based on\n * internal queue.\n * @param {Array} [transfers] - Optional list of transfers/ArrayBuffers.\n * @return {ReadableStream} ReadableStream to read data in chunks.\n */\n sendWithStream(actionName, data, queueingStrategy, transfers) {\n let streamId = this.streamId++;\n let sourceName = this.sourceName;\n let targetName = this.targetName;\n\n return new ReadableStream({\n start: (controller) => {\n let startCapability = createPromiseCapability();\n this.streamControllers[streamId] = {\n controller,\n startCall: startCapability,\n isClosed: false,\n };\n this.postMessage({\n sourceName,\n targetName,\n action: actionName,\n streamId,\n data,\n desiredSize: controller.desiredSize,\n });\n // Return Promise for Async process, to signal success/failure.\n return startCapability.promise;\n },\n\n pull: (controller) => {\n let pullCapability = createPromiseCapability();\n this.streamControllers[streamId].pullCall = pullCapability;\n this.postMessage({\n sourceName,\n targetName,\n stream: 'pull',\n streamId,\n desiredSize: controller.desiredSize,\n });\n // Returning Promise will not call \"pull\"\n // again until current pull is resolved.\n return pullCapability.promise;\n },\n\n cancel: (reason) => {\n let cancelCapability = createPromiseCapability();\n this.streamControllers[streamId].cancelCall = cancelCapability;\n this.streamControllers[streamId].isClosed = true;\n this.postMessage({\n sourceName,\n targetName,\n stream: 'cancel',\n reason,\n streamId,\n });\n // Return Promise to signal success or failure.\n return cancelCapability.promise;\n },\n }, queueingStrategy);\n },\n\n _createStreamSink(data) {\n let self = this;\n let action = this.actionHandler[data.action];\n let streamId = data.streamId;\n let desiredSize = data.desiredSize;\n let sourceName = this.sourceName;\n let targetName = data.sourceName;\n let capability = createPromiseCapability();\n\n let sendStreamRequest = ({ stream, chunk, transfers,\n success, reason, }) => {\n this.postMessage({ sourceName, targetName, stream, streamId,\n chunk, success, reason, }, transfers);\n };\n\n let streamSink = {\n enqueue(chunk, size = 1, transfers) {\n if (this.isCancelled) {\n return;\n }\n let lastDesiredSize = this.desiredSize;\n this.desiredSize -= size;\n // Enqueue decreases the desiredSize property of sink,\n // so when it changes from positive to negative,\n // set ready as unresolved promise.\n if (lastDesiredSize > 0 && this.desiredSize <= 0) {\n this.sinkCapability = createPromiseCapability();\n this.ready = this.sinkCapability.promise;\n }\n sendStreamRequest({ stream: 'enqueue', chunk, transfers, });\n },\n\n close() {\n if (this.isCancelled) {\n return;\n }\n sendStreamRequest({ stream: 'close', });\n delete self.streamSinks[streamId];\n },\n\n error(reason) {\n if (this.isCancelled) {\n return;\n }\n this.isCancelled = true;\n sendStreamRequest({ stream: 'error', reason, });\n },\n\n sinkCapability: capability,\n onPull: null,\n onCancel: null,\n isCancelled: false,\n desiredSize,\n ready: null,\n };\n\n streamSink.sinkCapability.resolve();\n streamSink.ready = streamSink.sinkCapability.promise;\n this.streamSinks[streamId] = streamSink;\n resolveCall(action[0], [data.data, streamSink], action[1]).then(() => {\n sendStreamRequest({ stream: 'start_complete', success: true, });\n }, (reason) => {\n sendStreamRequest({ stream: 'start_complete', success: false, reason, });\n });\n },\n\n _processStreamMessage(data) {\n let sourceName = this.sourceName;\n let targetName = data.sourceName;\n let streamId = data.streamId;\n\n let sendStreamResponse = ({ stream, success, reason, }) => {\n this.comObj.postMessage({ sourceName, targetName, stream,\n success, streamId, reason, });\n };\n\n let deleteStreamController = () => {\n // Delete streamController only when start, pull and\n // cancel callbacks are resolved, to avoid \"TypeError\".\n Promise.all([\n this.streamControllers[data.streamId].startCall,\n this.streamControllers[data.streamId].pullCall,\n this.streamControllers[data.streamId].cancelCall\n ].map(function(capability) {\n return capability && finalize(capability.promise);\n })).then(() => {\n delete this.streamControllers[data.streamId];\n });\n };\n\n switch (data.stream) {\n case 'start_complete':\n resolveOrReject(this.streamControllers[data.streamId].startCall,\n data.success, wrapReason(data.reason));\n break;\n case 'pull_complete':\n resolveOrReject(this.streamControllers[data.streamId].pullCall,\n data.success, wrapReason(data.reason));\n break;\n case 'pull':\n // Ignore any pull after close is called.\n if (!this.streamSinks[data.streamId]) {\n sendStreamResponse({ stream: 'pull_complete', success: true, });\n break;\n }\n // Pull increases the desiredSize property of sink,\n // so when it changes from negative to positive,\n // set ready property as resolved promise.\n if (this.streamSinks[data.streamId].desiredSize <= 0 &&\n data.desiredSize > 0) {\n this.streamSinks[data.streamId].sinkCapability.resolve();\n }\n // Reset desiredSize property of sink on every pull.\n this.streamSinks[data.streamId].desiredSize = data.desiredSize;\n resolveCall(this.streamSinks[data.streamId].onPull).then(() => {\n sendStreamResponse({ stream: 'pull_complete', success: true, });\n }, (reason) => {\n sendStreamResponse({ stream: 'pull_complete',\n success: false, reason, });\n });\n break;\n case 'enqueue':\n assert(this.streamControllers[data.streamId],\n 'enqueue should have stream controller');\n if (!this.streamControllers[data.streamId].isClosed) {\n this.streamControllers[data.streamId].controller.enqueue(data.chunk);\n }\n break;\n case 'close':\n assert(this.streamControllers[data.streamId],\n 'close should have stream controller');\n if (this.streamControllers[data.streamId].isClosed) {\n break;\n }\n this.streamControllers[data.streamId].isClosed = true;\n this.streamControllers[data.streamId].controller.close();\n deleteStreamController();\n break;\n case 'error':\n assert(this.streamControllers[data.streamId],\n 'error should have stream controller');\n this.streamControllers[data.streamId].controller.\n error(wrapReason(data.reason));\n deleteStreamController();\n break;\n case 'cancel_complete':\n resolveOrReject(this.streamControllers[data.streamId].cancelCall,\n data.success, wrapReason(data.reason));\n deleteStreamController();\n break;\n case 'cancel':\n if (!this.streamSinks[data.streamId]) {\n break;\n }\n resolveCall(this.streamSinks[data.streamId].onCancel,\n [wrapReason(data.reason)]).then(() => {\n sendStreamResponse({ stream: 'cancel_complete', success: true, });\n }, (reason) => {\n sendStreamResponse({ stream: 'cancel_complete',\n success: false, reason, });\n });\n this.streamSinks[data.streamId].sinkCapability.\n reject(wrapReason(data.reason));\n this.streamSinks[data.streamId].isCancelled = true;\n delete this.streamSinks[data.streamId];\n break;\n default:\n throw new Error('Unexpected stream case');\n }\n },\n\n /**\n * Sends raw message to the comObj.\n * @private\n * @param {Object} message - Raw message.\n * @param transfers List of transfers/ArrayBuffers, or undefined.\n */\n postMessage(message, transfers) {\n if (transfers && this.postMessageTransfers) {\n this.comObj.postMessage(message, transfers);\n } else {\n this.comObj.postMessage(message);\n }\n },\n\n destroy() {\n this.comObj.removeEventListener('message', this._onComObjOnMessage);\n },\n};\n\nfunction loadJpegStream(id, imageUrl, objs) {\n var img = new Image();\n img.onload = (function loadJpegStream_onloadClosure() {\n objs.resolve(id, img);\n });\n img.onerror = (function loadJpegStream_onerrorClosure() {\n objs.resolve(id, null);\n warn('Error during JPEG image loading');\n });\n img.src = imageUrl;\n}\n\nexport {\n FONT_IDENTITY_MATRIX,\n IDENTITY_MATRIX,\n OPS,\n VERBOSITY_LEVELS,\n UNSUPPORTED_FEATURES,\n AnnotationBorderStyleType,\n AnnotationFieldFlag,\n AnnotationFlag,\n AnnotationType,\n FontType,\n ImageKind,\n CMapCompressionType,\n AbortException,\n InvalidPDFException,\n MessageHandler,\n MissingDataException,\n MissingPDFException,\n NativeImageDecoding,\n NotImplementedException,\n PageViewport,\n PasswordException,\n PasswordResponses,\n StatTimer,\n StreamType,\n TextRenderingMode,\n UnexpectedResponseException,\n UnknownErrorException,\n Util,\n XRefParseException,\n FormatError,\n arrayByteLength,\n arraysToBytes,\n assert,\n bytesToString,\n createBlob,\n createPromiseCapability,\n createObjectURL,\n deprecated,\n getLookupTableFactory,\n getVerbosityLevel,\n globalScope,\n info,\n isArray,\n isArrayBuffer,\n isBool,\n isEmptyObj,\n isInt,\n isNum,\n isString,\n isSpace,\n isNodeJS,\n isSameOrigin,\n createValidAbsoluteUrl,\n isLittleEndian,\n isEvalSupported,\n loadJpegStream,\n log2,\n readInt8,\n readUint16,\n readUint32,\n removeNullCharacters,\n ReadableStream,\n setVerbosityLevel,\n shadow,\n string32,\n stringToBytes,\n stringToPDFString,\n stringToUTF8String,\n utf8StringToString,\n warn,\n unreachable,\n};\n\n\n\n// WEBPACK FOOTER //\n// src/shared/util.js","/* Copyright 2015 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport {\n CMapCompressionType, createValidAbsoluteUrl, deprecated, globalScope,\n removeNullCharacters, stringToBytes, warn\n} from '../shared/util';\n\nvar DEFAULT_LINK_REL = 'noopener noreferrer nofollow';\n\nclass DOMCanvasFactory {\n create(width, height) {\n if (width <= 0 || height <= 0) {\n throw new Error('invalid canvas size');\n }\n let canvas = document.createElement('canvas');\n let context = canvas.getContext('2d');\n canvas.width = width;\n canvas.height = height;\n return {\n canvas,\n context,\n };\n }\n\n reset(canvasAndContext, width, height) {\n if (!canvasAndContext.canvas) {\n throw new Error('canvas is not specified');\n }\n if (width <= 0 || height <= 0) {\n throw new Error('invalid canvas size');\n }\n canvasAndContext.canvas.width = width;\n canvasAndContext.canvas.height = height;\n }\n\n destroy(canvasAndContext) {\n if (!canvasAndContext.canvas) {\n throw new Error('canvas is not specified');\n }\n // Zeroing the width and height cause Firefox to release graphics\n // resources immediately, which can greatly reduce memory consumption.\n canvasAndContext.canvas.width = 0;\n canvasAndContext.canvas.height = 0;\n canvasAndContext.canvas = null;\n canvasAndContext.context = null;\n }\n}\n\nclass DOMCMapReaderFactory {\n constructor({ baseUrl = null, isCompressed = false, }) {\n this.baseUrl = baseUrl;\n this.isCompressed = isCompressed;\n }\n\n fetch({ name, }) {\n if (!name) {\n return Promise.reject(new Error('CMap name must be specified.'));\n }\n return new Promise((resolve, reject) => {\n let url = this.baseUrl + name + (this.isCompressed ? '.bcmap' : '');\n\n let request = new XMLHttpRequest();\n request.open('GET', url, true);\n\n if (this.isCompressed) {\n request.responseType = 'arraybuffer';\n }\n request.onreadystatechange = () => {\n if (request.readyState !== XMLHttpRequest.DONE) {\n return;\n }\n if (request.status === 200 || request.status === 0) {\n let data;\n if (this.isCompressed && request.response) {\n data = new Uint8Array(request.response);\n } else if (!this.isCompressed && request.responseText) {\n data = stringToBytes(request.responseText);\n }\n if (data) {\n resolve({\n cMapData: data,\n compressionType: this.isCompressed ?\n CMapCompressionType.BINARY : CMapCompressionType.NONE,\n });\n return;\n }\n }\n reject(new Error('Unable to load ' +\n (this.isCompressed ? 'binary ' : '') +\n 'CMap at: ' + url));\n };\n\n request.send(null);\n });\n }\n}\n\n/**\n * Optimised CSS custom property getter/setter.\n * @class\n */\nvar CustomStyle = (function CustomStyleClosure() {\n\n // As noted on: http://www.zachstronaut.com/posts/2009/02/17/\n // animate-css-transforms-firefox-webkit.html\n // in some versions of IE9 it is critical that ms appear in this list\n // before Moz\n var prefixes = ['ms', 'Moz', 'Webkit', 'O'];\n var _cache = Object.create(null);\n\n function CustomStyle() {}\n\n CustomStyle.getProp = function get(propName, element) {\n // check cache only when no element is given\n if (arguments.length === 1 && typeof _cache[propName] === 'string') {\n return _cache[propName];\n }\n\n element = element || document.documentElement;\n var style = element.style, prefixed, uPropName;\n\n // test standard property first\n if (typeof style[propName] === 'string') {\n return (_cache[propName] = propName);\n }\n\n // capitalize\n uPropName = propName.charAt(0).toUpperCase() + propName.slice(1);\n\n // test vendor specific properties\n for (var i = 0, l = prefixes.length; i < l; i++) {\n prefixed = prefixes[i] + uPropName;\n if (typeof style[prefixed] === 'string') {\n return (_cache[propName] = prefixed);\n }\n }\n\n // If all fails then set to undefined.\n return (_cache[propName] = 'undefined');\n };\n\n CustomStyle.setProp = function set(propName, element, str) {\n var prop = this.getProp(propName);\n if (prop !== 'undefined') {\n element.style[prop] = str;\n }\n };\n\n return CustomStyle;\n})();\n\nvar RenderingCancelledException = (function RenderingCancelledException() {\n function RenderingCancelledException(msg, type) {\n this.message = msg;\n this.type = type;\n }\n\n RenderingCancelledException.prototype = new Error();\n RenderingCancelledException.prototype.name = 'RenderingCancelledException';\n RenderingCancelledException.constructor = RenderingCancelledException;\n\n return RenderingCancelledException;\n})();\n\nvar LinkTarget = {\n NONE: 0, // Default value.\n SELF: 1,\n BLANK: 2,\n PARENT: 3,\n TOP: 4,\n};\n\nvar LinkTargetStringMap = [\n '',\n '_self',\n '_blank',\n '_parent',\n '_top'\n];\n\n/**\n * @typedef ExternalLinkParameters\n * @typedef {Object} ExternalLinkParameters\n * @property {string} url - An absolute URL.\n * @property {LinkTarget} target - The link target.\n * @property {string} rel - The link relationship.\n */\n\n/**\n * Adds various attributes (href, title, target, rel) to hyperlinks.\n * @param {HTMLLinkElement} link - The link element.\n * @param {ExternalLinkParameters} params\n */\nfunction addLinkAttributes(link, params) {\n var url = params && params.url;\n link.href = link.title = (url ? removeNullCharacters(url) : '');\n\n if (url) {\n var target = params.target;\n if (typeof target === 'undefined') {\n target = getDefaultSetting('externalLinkTarget');\n }\n link.target = LinkTargetStringMap[target];\n\n var rel = params.rel;\n if (typeof rel === 'undefined') {\n rel = getDefaultSetting('externalLinkRel');\n }\n link.rel = rel;\n }\n}\n\n// Gets the file name from a given URL.\nfunction getFilenameFromUrl(url) {\n var anchor = url.indexOf('#');\n var query = url.indexOf('?');\n var end = Math.min(\n anchor > 0 ? anchor : url.length,\n query > 0 ? query : url.length);\n return url.substring(url.lastIndexOf('/', end) + 1, end);\n}\n\nfunction getDefaultSetting(id) {\n // The list of the settings and their default is maintained for backward\n // compatibility and shall not be extended or modified. See also global.js.\n var globalSettings = globalScope.PDFJS;\n switch (id) {\n case 'pdfBug':\n return globalSettings ? globalSettings.pdfBug : false;\n case 'disableAutoFetch':\n return globalSettings ? globalSettings.disableAutoFetch : false;\n case 'disableStream':\n return globalSettings ? globalSettings.disableStream : false;\n case 'disableRange':\n return globalSettings ? globalSettings.disableRange : false;\n case 'disableFontFace':\n return globalSettings ? globalSettings.disableFontFace : false;\n case 'disableCreateObjectURL':\n return globalSettings ? globalSettings.disableCreateObjectURL : false;\n case 'disableWebGL':\n return globalSettings ? globalSettings.disableWebGL : true;\n case 'cMapUrl':\n return globalSettings ? globalSettings.cMapUrl : null;\n case 'cMapPacked':\n return globalSettings ? globalSettings.cMapPacked : false;\n case 'postMessageTransfers':\n return globalSettings ? globalSettings.postMessageTransfers : true;\n case 'workerPort':\n return globalSettings ? globalSettings.workerPort : null;\n case 'workerSrc':\n return globalSettings ? globalSettings.workerSrc : null;\n case 'disableWorker':\n return globalSettings ? globalSettings.disableWorker : false;\n case 'maxImageSize':\n return globalSettings ? globalSettings.maxImageSize : -1;\n case 'imageResourcesPath':\n return globalSettings ? globalSettings.imageResourcesPath : '';\n case 'isEvalSupported':\n return globalSettings ? globalSettings.isEvalSupported : true;\n case 'externalLinkTarget':\n if (!globalSettings) {\n return LinkTarget.NONE;\n }\n switch (globalSettings.externalLinkTarget) {\n case LinkTarget.NONE:\n case LinkTarget.SELF:\n case LinkTarget.BLANK:\n case LinkTarget.PARENT:\n case LinkTarget.TOP:\n return globalSettings.externalLinkTarget;\n }\n warn('PDFJS.externalLinkTarget is invalid: ' +\n globalSettings.externalLinkTarget);\n // Reset the external link target, to suppress further warnings.\n globalSettings.externalLinkTarget = LinkTarget.NONE;\n return LinkTarget.NONE;\n case 'externalLinkRel':\n return globalSettings ? globalSettings.externalLinkRel : DEFAULT_LINK_REL;\n case 'enableStats':\n return !!(globalSettings && globalSettings.enableStats);\n case 'pdfjsNext':\n return !!(globalSettings && globalSettings.pdfjsNext);\n default:\n throw new Error('Unknown default setting: ' + id);\n }\n}\n\nfunction isExternalLinkTargetSet() {\n var externalLinkTarget = getDefaultSetting('externalLinkTarget');\n switch (externalLinkTarget) {\n case LinkTarget.NONE:\n return false;\n case LinkTarget.SELF:\n case LinkTarget.BLANK:\n case LinkTarget.PARENT:\n case LinkTarget.TOP:\n return true;\n }\n}\n\nfunction isValidUrl(url, allowRelative) {\n deprecated('isValidUrl(), please use createValidAbsoluteUrl() instead.');\n var baseUrl = allowRelative ? 'http://example.com' : null;\n return createValidAbsoluteUrl(url, baseUrl) !== null;\n}\n\nexport {\n CustomStyle,\n RenderingCancelledException,\n addLinkAttributes,\n isExternalLinkTargetSet,\n isValidUrl,\n getFilenameFromUrl,\n LinkTarget,\n getDefaultSetting,\n DEFAULT_LINK_REL,\n DOMCanvasFactory,\n DOMCMapReaderFactory,\n};\n\n\n\n// WEBPACK FOOTER //\n// src/display/dom_utils.js","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* globals requirejs, __non_webpack_require__ */\n\nimport {\n assert, createPromiseCapability, deprecated, getVerbosityLevel, globalScope,\n info, InvalidPDFException, isArray, isArrayBuffer, isInt, isSameOrigin,\n loadJpegStream, MessageHandler, MissingPDFException, NativeImageDecoding,\n PageViewport, PasswordException, StatTimer, stringToBytes,\n UnexpectedResponseException, UnknownErrorException, Util, warn\n} from '../shared/util';\nimport {\n DOMCanvasFactory, DOMCMapReaderFactory, getDefaultSetting,\n RenderingCancelledException\n} from './dom_utils';\nimport { FontFaceObject, FontLoader } from './font_loader';\nimport { CanvasGraphics } from './canvas';\nimport { Metadata } from './metadata';\nimport { PDFDataTransportStream } from './transport_stream';\n\nvar DEFAULT_RANGE_CHUNK_SIZE = 65536; // 2^16 = 65536\n\nvar isWorkerDisabled = false;\nvar workerSrc;\nvar isPostMessageTransfersDisabled = false;\n\nvar pdfjsFilePath =\n typeof PDFJSDev !== 'undefined' &&\n PDFJSDev.test('PRODUCTION && !(MOZCENTRAL || FIREFOX)') &&\n typeof document !== 'undefined' && document.currentScript ?\n document.currentScript.src : null;\n\nvar fakeWorkerFilesLoader = null;\nvar useRequireEnsure = false;\nif (typeof PDFJSDev !== 'undefined' &&\n PDFJSDev.test('GENERIC && !SINGLE_FILE')) {\n // For GENERIC build we need add support of different fake file loaders\n // for different frameworks.\n if (typeof window === 'undefined') {\n // node.js - disable worker and set require.ensure.\n isWorkerDisabled = true;\n if (typeof __non_webpack_require__.ensure === 'undefined') {\n __non_webpack_require__.ensure = __non_webpack_require__('node-ensure');\n }\n useRequireEnsure = true;\n } else if (typeof __non_webpack_require__ !== 'undefined' &&\n typeof __non_webpack_require__.ensure === 'function') {\n useRequireEnsure = true;\n }\n if (typeof requirejs !== 'undefined' && requirejs.toUrl) {\n workerSrc = requirejs.toUrl('pdfjs-dist/build/pdf.worker.js');\n }\n var dynamicLoaderSupported =\n typeof requirejs !== 'undefined' && requirejs.load;\n fakeWorkerFilesLoader = useRequireEnsure ? (function (callback) {\n __non_webpack_require__.ensure([], function () {\n var worker;\n if (typeof PDFJSDev !== 'undefined' && PDFJSDev.test('LIB')) {\n worker = __non_webpack_require__('../pdf.worker.js');\n } else {\n worker = __non_webpack_require__('./pdf.worker.js');\n }\n callback(worker.WorkerMessageHandler);\n });\n }) : dynamicLoaderSupported ? (function (callback) {\n requirejs(['pdfjs-dist/build/pdf.worker'], function (worker) {\n callback(worker.WorkerMessageHandler);\n });\n }) : null;\n}\n\n/** @type IPDFStream */\nvar PDFNetworkStream;\n\n/**\n * Sets PDFNetworkStream class to be used as alternative PDF data transport.\n * @param {IPDFStream} cls - the PDF data transport.\n */\nfunction setPDFNetworkStreamClass(cls) {\n PDFNetworkStream = cls;\n}\n\n/**\n * Document initialization / loading parameters object.\n *\n * @typedef {Object} DocumentInitParameters\n * @property {string} url - The URL of the PDF.\n * @property {TypedArray|Array|string} data - Binary PDF data. Use typed arrays\n * (Uint8Array) to improve the memory usage. If PDF data is BASE64-encoded,\n * use atob() to convert it to a binary string first.\n * @property {Object} httpHeaders - Basic authentication headers.\n * @property {boolean} withCredentials - Indicates whether or not cross-site\n * Access-Control requests should be made using credentials such as cookies\n * or authorization headers. The default is false.\n * @property {string} password - For decrypting password-protected PDFs.\n * @property {TypedArray} initialData - A typed array with the first portion or\n * all of the pdf data. Used by the extension since some data is already\n * loaded before the switch to range requests.\n * @property {number} length - The PDF file length. It's used for progress\n * reports and range requests operations.\n * @property {PDFDataRangeTransport} range\n * @property {number} rangeChunkSize - Optional parameter to specify\n * maximum number of bytes fetched per range request. The default value is\n * 2^16 = 65536.\n * @property {PDFWorker} worker - The worker that will be used for the loading\n * and parsing of the PDF data.\n * @property {string} docBaseUrl - (optional) The base URL of the document,\n * used when attempting to recover valid absolute URLs for annotations, and\n * outline items, that (incorrectly) only specify relative URLs.\n * @property {boolean} disableNativeImageDecoder - (deprecated) Disable decoding\n * of certain (simple) JPEG images in the browser. This is useful for\n * environments without DOM image support, such as e.g. Node.js.\n * The default value is `false`.\n * @property {string} nativeImageDecoderSupport - (optional) Strategy for\n * decoding certain (simple) JPEG images in the browser. This is useful for\n * environments without DOM image and canvas support, such as e.g. Node.js.\n * Valid values are 'decode', 'display' or 'none'; where 'decode' is intended\n * for browsers with full image/canvas support, 'display' for environments\n * with limited image support through stubs (useful for SVG conversion),\n * and 'none' where JPEG images will be decoded entirely by PDF.js.\n * The default value is 'decode'.\n * @property {Object} CMapReaderFactory - (optional) The factory that will be\n * used when reading built-in CMap files. Providing a custom factory is useful\n * for environments without `XMLHttpRequest` support, such as e.g. Node.js.\n * The default value is {DOMCMapReaderFactory}.\n * @property {boolean} stopAtErrors - (optional) Reject certain promises, e.g.\n * `getOperatorList`, `getTextContent`, and `RenderTask`, when the associated\n * PDF data cannot be successfully parsed, instead of attempting to recover\n * whatever possible of the data. The default value is `false`.\n */\n\n/**\n * @typedef {Object} PDFDocumentStats\n * @property {Array} streamTypes - Used stream types in the document (an item\n * is set to true if specific stream ID was used in the document).\n * @property {Array} fontTypes - Used font type in the document (an item is set\n * to true if specific font ID was used in the document).\n */\n\n/**\n * This is the main entry point for loading a PDF and interacting with it.\n * NOTE: If a URL is used to fetch the PDF data a standard XMLHttpRequest(XHR)\n * is used, which means it must follow the same origin rules that any XHR does\n * e.g. No cross domain requests without CORS.\n *\n * @param {string|TypedArray|DocumentInitParameters|PDFDataRangeTransport} src\n * Can be a url to where a PDF is located, a typed array (Uint8Array)\n * already populated with data or parameter object.\n *\n * @param {PDFDataRangeTransport} pdfDataRangeTransport (deprecated) It is used\n * if you want to manually serve range requests for data in the PDF.\n *\n * @param {function} passwordCallback (deprecated) It is used to request a\n * password if wrong or no password was provided. The callback receives two\n * parameters: function that needs to be called with new password and reason\n * (see {PasswordResponses}).\n *\n * @param {function} progressCallback (deprecated) It is used to be able to\n * monitor the loading progress of the PDF file (necessary to implement e.g.\n * a loading bar). The callback receives an {Object} with the properties:\n * {number} loaded and {number} total.\n *\n * @return {PDFDocumentLoadingTask}\n */\nfunction getDocument(src, pdfDataRangeTransport,\n passwordCallback, progressCallback) {\n var task = new PDFDocumentLoadingTask();\n\n // Support of the obsolete arguments (for compatibility with API v1.0)\n if (arguments.length > 1) {\n deprecated('getDocument is called with pdfDataRangeTransport, ' +\n 'passwordCallback or progressCallback argument');\n }\n if (pdfDataRangeTransport) {\n if (!(pdfDataRangeTransport instanceof PDFDataRangeTransport)) {\n // Not a PDFDataRangeTransport instance, trying to add missing properties.\n pdfDataRangeTransport = Object.create(pdfDataRangeTransport);\n pdfDataRangeTransport.length = src.length;\n pdfDataRangeTransport.initialData = src.initialData;\n if (!pdfDataRangeTransport.abort) {\n pdfDataRangeTransport.abort = function () {};\n }\n }\n src = Object.create(src);\n src.range = pdfDataRangeTransport;\n }\n task.onPassword = passwordCallback || null;\n task.onProgress = progressCallback || null;\n\n var source;\n if (typeof src === 'string') {\n source = { url: src, };\n } else if (isArrayBuffer(src)) {\n source = { data: src, };\n } else if (src instanceof PDFDataRangeTransport) {\n source = { range: src, };\n } else {\n if (typeof src !== 'object') {\n throw new Error('Invalid parameter in getDocument, ' +\n 'need either Uint8Array, string or a parameter object');\n }\n if (!src.url && !src.data && !src.range) {\n throw new Error(\n 'Invalid parameter object: need either .data, .range or .url');\n }\n\n source = src;\n }\n\n var params = {};\n var rangeTransport = null;\n var worker = null;\n var CMapReaderFactory = DOMCMapReaderFactory;\n\n for (var key in source) {\n if (key === 'url' && typeof window !== 'undefined') {\n // The full path is required in the 'url' field.\n params[key] = new URL(source[key], window.location).href;\n continue;\n } else if (key === 'range') {\n rangeTransport = source[key];\n continue;\n } else if (key === 'worker') {\n worker = source[key];\n continue;\n } else if (key === 'data' && !(source[key] instanceof Uint8Array)) {\n // Converting string or array-like data to Uint8Array.\n var pdfBytes = source[key];\n if (typeof pdfBytes === 'string') {\n params[key] = stringToBytes(pdfBytes);\n } else if (typeof pdfBytes === 'object' && pdfBytes !== null &&\n !isNaN(pdfBytes.length)) {\n params[key] = new Uint8Array(pdfBytes);\n } else if (isArrayBuffer(pdfBytes)) {\n params[key] = new Uint8Array(pdfBytes);\n } else {\n throw new Error('Invalid PDF binary data: either typed array, ' +\n 'string or array-like object is expected in the ' +\n 'data property.');\n }\n continue;\n } else if (key === 'CMapReaderFactory') {\n CMapReaderFactory = source[key];\n continue;\n }\n params[key] = source[key];\n }\n\n params.rangeChunkSize = params.rangeChunkSize || DEFAULT_RANGE_CHUNK_SIZE;\n params.ignoreErrors = params.stopAtErrors !== true;\n\n if (params.disableNativeImageDecoder !== undefined) {\n deprecated('parameter disableNativeImageDecoder, ' +\n 'use nativeImageDecoderSupport instead');\n }\n params.nativeImageDecoderSupport = params.nativeImageDecoderSupport ||\n (params.disableNativeImageDecoder === true ? NativeImageDecoding.NONE :\n NativeImageDecoding.DECODE);\n if (params.nativeImageDecoderSupport !== NativeImageDecoding.DECODE &&\n params.nativeImageDecoderSupport !== NativeImageDecoding.NONE &&\n params.nativeImageDecoderSupport !== NativeImageDecoding.DISPLAY) {\n warn('Invalid parameter nativeImageDecoderSupport: ' +\n 'need a state of enum {NativeImageDecoding}');\n params.nativeImageDecoderSupport = NativeImageDecoding.DECODE;\n }\n\n if (!worker) {\n // Worker was not provided -- creating and owning our own. If message port\n // is specified in global settings, using it.\n var workerPort = getDefaultSetting('workerPort');\n worker = workerPort ? PDFWorker.fromPort(workerPort) : new PDFWorker();\n task._worker = worker;\n }\n var docId = task.docId;\n worker.promise.then(function () {\n if (task.destroyed) {\n throw new Error('Loading aborted');\n }\n return _fetchDocument(worker, params, rangeTransport, docId).then(\n function (workerId) {\n if (task.destroyed) {\n throw new Error('Loading aborted');\n }\n\n let networkStream;\n if (rangeTransport) {\n networkStream = new PDFDataTransportStream(params, rangeTransport);\n } else if (!params.data) {\n networkStream = new PDFNetworkStream({\n source: params,\n disableRange: getDefaultSetting('disableRange'),\n });\n }\n\n var messageHandler = new MessageHandler(docId, workerId, worker.port);\n messageHandler.postMessageTransfers = worker.postMessageTransfers;\n var transport = new WorkerTransport(messageHandler, task, networkStream,\n CMapReaderFactory);\n task._transport = transport;\n messageHandler.send('Ready', null);\n });\n }).catch(task._capability.reject);\n\n return task;\n}\n\n/**\n * Starts fetching of specified PDF document/data.\n * @param {PDFWorker} worker\n * @param {Object} source\n * @param {PDFDataRangeTransport} pdfDataRangeTransport\n * @param {string} docId Unique document id, used as MessageHandler id.\n * @returns {Promise} The promise, which is resolved when worker id of\n * MessageHandler is known.\n * @private\n */\nfunction _fetchDocument(worker, source, pdfDataRangeTransport, docId) {\n if (worker.destroyed) {\n return Promise.reject(new Error('Worker was destroyed'));\n }\n\n source.disableAutoFetch = getDefaultSetting('disableAutoFetch');\n source.disableStream = getDefaultSetting('disableStream');\n source.chunkedViewerLoading = !!pdfDataRangeTransport;\n if (pdfDataRangeTransport) {\n source.length = pdfDataRangeTransport.length;\n source.initialData = pdfDataRangeTransport.initialData;\n }\n return worker.messageHandler.sendWithPromise('GetDocRequest', {\n docId,\n source: {\n data: source.data,\n url: source.url,\n password: source.password,\n disableAutoFetch: source.disableAutoFetch,\n rangeChunkSize: source.rangeChunkSize,\n length: source.length,\n },\n maxImageSize: getDefaultSetting('maxImageSize'),\n disableFontFace: getDefaultSetting('disableFontFace'),\n disableCreateObjectURL: getDefaultSetting('disableCreateObjectURL'),\n postMessageTransfers: getDefaultSetting('postMessageTransfers') &&\n !isPostMessageTransfersDisabled,\n docBaseUrl: source.docBaseUrl,\n nativeImageDecoderSupport: source.nativeImageDecoderSupport,\n ignoreErrors: source.ignoreErrors,\n }).then(function (workerId) {\n if (worker.destroyed) {\n throw new Error('Worker was destroyed');\n }\n return workerId;\n });\n}\n\n/**\n * PDF document loading operation.\n * @class\n * @alias PDFDocumentLoadingTask\n */\nvar PDFDocumentLoadingTask = (function PDFDocumentLoadingTaskClosure() {\n var nextDocumentId = 0;\n\n /** @constructs PDFDocumentLoadingTask */\n function PDFDocumentLoadingTask() {\n this._capability = createPromiseCapability();\n this._transport = null;\n this._worker = null;\n\n /**\n * Unique document loading task id -- used in MessageHandlers.\n * @type {string}\n */\n this.docId = 'd' + (nextDocumentId++);\n\n /**\n * Shows if loading task is destroyed.\n * @type {boolean}\n */\n this.destroyed = false;\n\n /**\n * Callback to request a password if wrong or no password was provided.\n * The callback receives two parameters: function that needs to be called\n * with new password and reason (see {PasswordResponses}).\n */\n this.onPassword = null;\n\n /**\n * Callback to be able to monitor the loading progress of the PDF file\n * (necessary to implement e.g. a loading bar). The callback receives\n * an {Object} with the properties: {number} loaded and {number} total.\n */\n this.onProgress = null;\n\n /**\n * Callback to when unsupported feature is used. The callback receives\n * an {UNSUPPORTED_FEATURES} argument.\n */\n this.onUnsupportedFeature = null;\n }\n\n PDFDocumentLoadingTask.prototype =\n /** @lends PDFDocumentLoadingTask.prototype */ {\n /**\n * @return {Promise}\n */\n get promise() {\n return this._capability.promise;\n },\n\n /**\n * Aborts all network requests and destroys worker.\n * @return {Promise} A promise that is resolved after destruction activity\n * is completed.\n */\n destroy() {\n this.destroyed = true;\n\n var transportDestroyed = !this._transport ? Promise.resolve() :\n this._transport.destroy();\n return transportDestroyed.then(() => {\n this._transport = null;\n if (this._worker) {\n this._worker.destroy();\n this._worker = null;\n }\n });\n },\n\n /**\n * Registers callbacks to indicate the document loading completion.\n *\n * @param {function} onFulfilled The callback for the loading completion.\n * @param {function} onRejected The callback for the loading failure.\n * @return {Promise} A promise that is resolved after the onFulfilled or\n * onRejected callback.\n */\n then: function PDFDocumentLoadingTask_then(onFulfilled, onRejected) {\n return this.promise.then.apply(this.promise, arguments);\n },\n };\n\n return PDFDocumentLoadingTask;\n})();\n\n/**\n * Abstract class to support range requests file loading.\n * @class\n * @alias PDFDataRangeTransport\n * @param {number} length\n * @param {Uint8Array} initialData\n */\nvar PDFDataRangeTransport = (function pdfDataRangeTransportClosure() {\n function PDFDataRangeTransport(length, initialData) {\n this.length = length;\n this.initialData = initialData;\n\n this._rangeListeners = [];\n this._progressListeners = [];\n this._progressiveReadListeners = [];\n this._readyCapability = createPromiseCapability();\n }\n PDFDataRangeTransport.prototype =\n /** @lends PDFDataRangeTransport.prototype */ {\n addRangeListener:\n function PDFDataRangeTransport_addRangeListener(listener) {\n this._rangeListeners.push(listener);\n },\n\n addProgressListener:\n function PDFDataRangeTransport_addProgressListener(listener) {\n this._progressListeners.push(listener);\n },\n\n addProgressiveReadListener:\n function PDFDataRangeTransport_addProgressiveReadListener(listener) {\n this._progressiveReadListeners.push(listener);\n },\n\n onDataRange: function PDFDataRangeTransport_onDataRange(begin, chunk) {\n var listeners = this._rangeListeners;\n for (var i = 0, n = listeners.length; i < n; ++i) {\n listeners[i](begin, chunk);\n }\n },\n\n onDataProgress: function PDFDataRangeTransport_onDataProgress(loaded) {\n this._readyCapability.promise.then(() => {\n var listeners = this._progressListeners;\n for (var i = 0, n = listeners.length; i < n; ++i) {\n listeners[i](loaded);\n }\n });\n },\n\n onDataProgressiveRead:\n function PDFDataRangeTransport_onDataProgress(chunk) {\n this._readyCapability.promise.then(() => {\n var listeners = this._progressiveReadListeners;\n for (var i = 0, n = listeners.length; i < n; ++i) {\n listeners[i](chunk);\n }\n });\n },\n\n transportReady: function PDFDataRangeTransport_transportReady() {\n this._readyCapability.resolve();\n },\n\n requestDataRange:\n function PDFDataRangeTransport_requestDataRange(begin, end) {\n throw new Error('Abstract method PDFDataRangeTransport.requestDataRange');\n },\n\n abort: function PDFDataRangeTransport_abort() {\n },\n };\n return PDFDataRangeTransport;\n})();\n\n/**\n * Proxy to a PDFDocument in the worker thread. Also, contains commonly used\n * properties that can be read synchronously.\n * @class\n * @alias PDFDocumentProxy\n */\nvar PDFDocumentProxy = (function PDFDocumentProxyClosure() {\n function PDFDocumentProxy(pdfInfo, transport, loadingTask) {\n this.pdfInfo = pdfInfo;\n this.transport = transport;\n this.loadingTask = loadingTask;\n }\n PDFDocumentProxy.prototype = /** @lends PDFDocumentProxy.prototype */ {\n /**\n * @return {number} Total number of pages the PDF contains.\n */\n get numPages() {\n return this.pdfInfo.numPages;\n },\n /**\n * @return {string} A unique ID to identify a PDF. Not guaranteed to be\n * unique.\n */\n get fingerprint() {\n return this.pdfInfo.fingerprint;\n },\n /**\n * @param {number} pageNumber The page number to get. The first page is 1.\n * @return {Promise} A promise that is resolved with a {@link PDFPageProxy}\n * object.\n */\n getPage: function PDFDocumentProxy_getPage(pageNumber) {\n return this.transport.getPage(pageNumber);\n },\n /**\n * @param {{num: number, gen: number}} ref The page reference. Must have\n * the 'num' and 'gen' properties.\n * @return {Promise} A promise that is resolved with the page index that is\n * associated with the reference.\n */\n getPageIndex: function PDFDocumentProxy_getPageIndex(ref) {\n return this.transport.getPageIndex(ref);\n },\n /**\n * @return {Promise} A promise that is resolved with a lookup table for\n * mapping named destinations to reference numbers.\n *\n * This can be slow for large documents: use getDestination instead\n */\n getDestinations: function PDFDocumentProxy_getDestinations() {\n return this.transport.getDestinations();\n },\n /**\n * @param {string} id The named destination to get.\n * @return {Promise} A promise that is resolved with all information\n * of the given named destination.\n */\n getDestination: function PDFDocumentProxy_getDestination(id) {\n return this.transport.getDestination(id);\n },\n /**\n * @return {Promise} A promise that is resolved with:\n * an Array containing the pageLabels that correspond to the pageIndexes,\n * or `null` when no pageLabels are present in the PDF file.\n */\n getPageLabels: function PDFDocumentProxy_getPageLabels() {\n return this.transport.getPageLabels();\n },\n /**\n * @return {Promise} A promise that is resolved with a {string} containing\n * the PageMode name.\n */\n getPageMode() {\n return this.transport.getPageMode();\n },\n /**\n * @return {Promise} A promise that is resolved with a lookup table for\n * mapping named attachments to their content.\n */\n getAttachments: function PDFDocumentProxy_getAttachments() {\n return this.transport.getAttachments();\n },\n /**\n * @return {Promise} A promise that is resolved with an array of all the\n * JavaScript strings in the name tree.\n */\n getJavaScript: function PDFDocumentProxy_getJavaScript() {\n return this.transport.getJavaScript();\n },\n /**\n * @return {Promise} A promise that is resolved with an {Array} that is a\n * tree outline (if it has one) of the PDF. The tree is in the format of:\n * [\n * {\n * title: string,\n * bold: boolean,\n * italic: boolean,\n * color: rgb Uint8Array,\n * dest: dest obj,\n * url: string,\n * items: array of more items like this\n * },\n * ...\n * ].\n */\n getOutline: function PDFDocumentProxy_getOutline() {\n return this.transport.getOutline();\n },\n /**\n * @return {Promise} A promise that is resolved with an {Object} that has\n * info and metadata properties. Info is an {Object} filled with anything\n * available in the information dictionary and similarly metadata is a\n * {Metadata} object with information from the metadata section of the PDF.\n */\n getMetadata: function PDFDocumentProxy_getMetadata() {\n return this.transport.getMetadata();\n },\n /**\n * @return {Promise} A promise that is resolved with a TypedArray that has\n * the raw data from the PDF.\n */\n getData: function PDFDocumentProxy_getData() {\n return this.transport.getData();\n },\n /**\n * @return {Promise} A promise that is resolved when the document's data\n * is loaded. It is resolved with an {Object} that contains the length\n * property that indicates size of the PDF data in bytes.\n */\n getDownloadInfo: function PDFDocumentProxy_getDownloadInfo() {\n return this.transport.downloadInfoCapability.promise;\n },\n /**\n * @return {Promise} A promise this is resolved with current stats about\n * document structures (see {@link PDFDocumentStats}).\n */\n getStats: function PDFDocumentProxy_getStats() {\n return this.transport.getStats();\n },\n /**\n * Cleans up resources allocated by the document, e.g. created @font-face.\n */\n cleanup: function PDFDocumentProxy_cleanup() {\n this.transport.startCleanup();\n },\n /**\n * Destroys current document instance and terminates worker.\n */\n destroy: function PDFDocumentProxy_destroy() {\n return this.loadingTask.destroy();\n },\n };\n return PDFDocumentProxy;\n})();\n\n/**\n * Page getTextContent parameters.\n *\n * @typedef {Object} getTextContentParameters\n * @property {boolean} normalizeWhitespace - replaces all occurrences of\n * whitespace with standard spaces (0x20). The default value is `false`.\n * @property {boolean} disableCombineTextItems - do not attempt to combine\n * same line {@link TextItem}'s. The default value is `false`.\n */\n\n/**\n * Page text content.\n *\n * @typedef {Object} TextContent\n * @property {array} items - array of {@link TextItem}\n * @property {Object} styles - {@link TextStyles} objects, indexed by font name.\n */\n\n/**\n * Page text content part.\n *\n * @typedef {Object} TextItem\n * @property {string} str - text content.\n * @property {string} dir - text direction: 'ttb', 'ltr' or 'rtl'.\n * @property {array} transform - transformation matrix.\n * @property {number} width - width in device space.\n * @property {number} height - height in device space.\n * @property {string} fontName - font name used by pdf.js for converted font.\n */\n\n/**\n * Text style.\n *\n * @typedef {Object} TextStyle\n * @property {number} ascent - font ascent.\n * @property {number} descent - font descent.\n * @property {boolean} vertical - text is in vertical mode.\n * @property {string} fontFamily - possible font family\n */\n\n/**\n * Page annotation parameters.\n *\n * @typedef {Object} GetAnnotationsParameters\n * @property {string} intent - Determines the annotations that will be fetched,\n * can be either 'display' (viewable annotations) or 'print'\n * (printable annotations).\n * If the parameter is omitted, all annotations are fetched.\n */\n\n/**\n * Page render parameters.\n *\n * @typedef {Object} RenderParameters\n * @property {Object} canvasContext - A 2D context of a DOM Canvas object.\n * @property {PageViewport} viewport - Rendering viewport obtained by\n * calling of PDFPage.getViewport method.\n * @property {string} intent - Rendering intent, can be 'display' or 'print'\n * (default value is 'display').\n * @property {boolean} renderInteractiveForms - (optional) Whether or not\n * interactive form elements are rendered in the display\n * layer. If so, we do not render them on canvas as well.\n * @property {Array} transform - (optional) Additional transform, applied\n * just before viewport transform.\n * @property {Object} imageLayer - (optional) An object that has beginLayout,\n * endLayout and appendImage functions.\n * @property {function} continueCallback - (deprecated) A function that will be\n * called each time the rendering is paused. To continue\n * rendering call the function that is the first argument\n * to the callback.\n * @property {Object} canvasFactory - (optional) The factory that will be used\n * when creating canvases. The default value is\n * {DOMCanvasFactory}.\n * @property {Object} background - (optional) Background to use for the canvas.\n * Can use any valid canvas.fillStyle: A DOMString parsed as\n * CSS value, a CanvasGradient object (a linear or\n * radial gradient) or a CanvasPattern object (a repetitive\n * image). The default value is 'rgb(255,255,255)'.\n */\n\n/**\n * PDF page operator list.\n *\n * @typedef {Object} PDFOperatorList\n * @property {Array} fnArray - Array containing the operator functions.\n * @property {Array} argsArray - Array containing the arguments of the\n * functions.\n */\n\n/**\n * Proxy to a PDFPage in the worker thread.\n * @class\n * @alias PDFPageProxy\n */\nvar PDFPageProxy = (function PDFPageProxyClosure() {\n function PDFPageProxy(pageIndex, pageInfo, transport) {\n this.pageIndex = pageIndex;\n this.pageInfo = pageInfo;\n this.transport = transport;\n this.stats = new StatTimer();\n this.stats.enabled = getDefaultSetting('enableStats');\n this.commonObjs = transport.commonObjs;\n this.objs = new PDFObjects();\n this.cleanupAfterRender = false;\n this.pendingCleanup = false;\n this.intentStates = Object.create(null);\n this.destroyed = false;\n }\n PDFPageProxy.prototype = /** @lends PDFPageProxy.prototype */ {\n /**\n * @return {number} Page number of the page. First page is 1.\n */\n get pageNumber() {\n return this.pageIndex + 1;\n },\n /**\n * @return {number} The number of degrees the page is rotated clockwise.\n */\n get rotate() {\n return this.pageInfo.rotate;\n },\n /**\n * @return {Object} The reference that points to this page. It has 'num' and\n * 'gen' properties.\n */\n get ref() {\n return this.pageInfo.ref;\n },\n /**\n * @return {number} The default size of units in 1/72nds of an inch.\n */\n get userUnit() {\n return this.pageInfo.userUnit;\n },\n /**\n * @return {Array} An array of the visible portion of the PDF page in the\n * user space units - [x1, y1, x2, y2].\n */\n get view() {\n return this.pageInfo.view;\n },\n /**\n * @param {number} scale The desired scale of the viewport.\n * @param {number} rotate Degrees to rotate the viewport. If omitted this\n * defaults to the page rotation.\n * @return {PageViewport} Contains 'width' and 'height' properties\n * along with transforms required for rendering.\n */\n getViewport: function PDFPageProxy_getViewport(scale, rotate) {\n if (arguments.length < 2) {\n rotate = this.rotate;\n }\n return new PageViewport(this.view, scale, rotate, 0, 0);\n },\n /**\n * @param {GetAnnotationsParameters} params - Annotation parameters.\n * @return {Promise} A promise that is resolved with an {Array} of the\n * annotation objects.\n */\n getAnnotations: function PDFPageProxy_getAnnotations(params) {\n var intent = (params && params.intent) || null;\n\n if (!this.annotationsPromise || this.annotationsIntent !== intent) {\n this.annotationsPromise = this.transport.getAnnotations(this.pageIndex,\n intent);\n this.annotationsIntent = intent;\n }\n return this.annotationsPromise;\n },\n /**\n * Begins the process of rendering a page to the desired context.\n * @param {RenderParameters} params Page render parameters.\n * @return {RenderTask} An object that contains the promise, which\n * is resolved when the page finishes rendering.\n */\n render: function PDFPageProxy_render(params) {\n var stats = this.stats;\n stats.time('Overall');\n\n // If there was a pending destroy cancel it so no cleanup happens during\n // this call to render.\n this.pendingCleanup = false;\n\n var renderingIntent = (params.intent === 'print' ? 'print' : 'display');\n var canvasFactory = params.canvasFactory || new DOMCanvasFactory();\n\n if (!this.intentStates[renderingIntent]) {\n this.intentStates[renderingIntent] = Object.create(null);\n }\n var intentState = this.intentStates[renderingIntent];\n\n // If there's no displayReadyCapability yet, then the operatorList\n // was never requested before. Make the request and create the promise.\n if (!intentState.displayReadyCapability) {\n intentState.receivingOperatorList = true;\n intentState.displayReadyCapability = createPromiseCapability();\n intentState.operatorList = {\n fnArray: [],\n argsArray: [],\n lastChunk: false,\n };\n\n this.stats.time('Page Request');\n this.transport.messageHandler.send('RenderPageRequest', {\n pageIndex: this.pageNumber - 1,\n intent: renderingIntent,\n renderInteractiveForms: (params.renderInteractiveForms === true),\n });\n }\n\n var complete = (error) => {\n var i = intentState.renderTasks.indexOf(internalRenderTask);\n if (i >= 0) {\n intentState.renderTasks.splice(i, 1);\n }\n\n if (this.cleanupAfterRender) {\n this.pendingCleanup = true;\n }\n this._tryCleanup();\n\n if (error) {\n internalRenderTask.capability.reject(error);\n } else {\n internalRenderTask.capability.resolve();\n }\n stats.timeEnd('Rendering');\n stats.timeEnd('Overall');\n };\n\n var internalRenderTask = new InternalRenderTask(complete, params,\n this.objs,\n this.commonObjs,\n intentState.operatorList,\n this.pageNumber,\n canvasFactory);\n internalRenderTask.useRequestAnimationFrame = renderingIntent !== 'print';\n if (!intentState.renderTasks) {\n intentState.renderTasks = [];\n }\n intentState.renderTasks.push(internalRenderTask);\n var renderTask = internalRenderTask.task;\n\n // Obsolete parameter support\n if (params.continueCallback) {\n deprecated('render is used with continueCallback parameter');\n renderTask.onContinue = params.continueCallback;\n }\n\n intentState.displayReadyCapability.promise.then((transparency) => {\n if (this.pendingCleanup) {\n complete();\n return;\n }\n stats.time('Rendering');\n internalRenderTask.initializeGraphics(transparency);\n internalRenderTask.operatorListChanged();\n }).catch(complete);\n\n return renderTask;\n },\n\n /**\n * @return {Promise} A promise resolved with an {@link PDFOperatorList}\n * object that represents page's operator list.\n */\n getOperatorList: function PDFPageProxy_getOperatorList() {\n function operatorListChanged() {\n if (intentState.operatorList.lastChunk) {\n intentState.opListReadCapability.resolve(intentState.operatorList);\n\n var i = intentState.renderTasks.indexOf(opListTask);\n if (i >= 0) {\n intentState.renderTasks.splice(i, 1);\n }\n }\n }\n\n var renderingIntent = 'oplist';\n if (!this.intentStates[renderingIntent]) {\n this.intentStates[renderingIntent] = Object.create(null);\n }\n var intentState = this.intentStates[renderingIntent];\n var opListTask;\n\n if (!intentState.opListReadCapability) {\n opListTask = {};\n opListTask.operatorListChanged = operatorListChanged;\n intentState.receivingOperatorList = true;\n intentState.opListReadCapability = createPromiseCapability();\n intentState.renderTasks = [];\n intentState.renderTasks.push(opListTask);\n intentState.operatorList = {\n fnArray: [],\n argsArray: [],\n lastChunk: false,\n };\n\n this.transport.messageHandler.send('RenderPageRequest', {\n pageIndex: this.pageIndex,\n intent: renderingIntent,\n });\n }\n return intentState.opListReadCapability.promise;\n },\n\n /**\n * @param {getTextContentParameters} params - getTextContent parameters.\n * @return {ReadableStream} ReadableStream to read textContent chunks.\n */\n streamTextContent(params = {}) {\n const TEXT_CONTENT_CHUNK_SIZE = 100;\n return this.transport.messageHandler.sendWithStream('GetTextContent', {\n pageIndex: this.pageNumber - 1,\n normalizeWhitespace: (params.normalizeWhitespace === true),\n combineTextItems: (params.disableCombineTextItems !== true),\n }, {\n highWaterMark: TEXT_CONTENT_CHUNK_SIZE,\n size(textContent) {\n return textContent.items.length;\n },\n });\n },\n\n /**\n * @param {getTextContentParameters} params - getTextContent parameters.\n * @return {Promise} That is resolved a {@link TextContent}\n * object that represent the page text content.\n */\n getTextContent: function PDFPageProxy_getTextContent(params) {\n params = params || {};\n let readableStream = this.streamTextContent(params);\n\n return new Promise(function(resolve, reject) {\n function pump() {\n reader.read().then(function({ value, done, }) {\n if (done) {\n resolve(textContent);\n return;\n }\n Util.extendObj(textContent.styles, value.styles);\n Util.appendToArray(textContent.items, value.items);\n pump();\n }, reject);\n }\n\n let reader = readableStream.getReader();\n let textContent = {\n items: [],\n styles: Object.create(null),\n };\n\n pump();\n });\n },\n\n /**\n * Destroys page object.\n */\n _destroy: function PDFPageProxy_destroy() {\n this.destroyed = true;\n this.transport.pageCache[this.pageIndex] = null;\n\n var waitOn = [];\n Object.keys(this.intentStates).forEach(function(intent) {\n if (intent === 'oplist') {\n // Avoid errors below, since the renderTasks are just stubs.\n return;\n }\n var intentState = this.intentStates[intent];\n intentState.renderTasks.forEach(function(renderTask) {\n var renderCompleted = renderTask.capability.promise.\n catch(function () {}); // ignoring failures\n waitOn.push(renderCompleted);\n renderTask.cancel();\n });\n }, this);\n this.objs.clear();\n this.annotationsPromise = null;\n this.pendingCleanup = false;\n return Promise.all(waitOn);\n },\n\n /**\n * Cleans up resources allocated by the page. (deprecated)\n */\n destroy() {\n deprecated('page destroy method, use cleanup() instead');\n this.cleanup();\n },\n\n /**\n * Cleans up resources allocated by the page.\n */\n cleanup: function PDFPageProxy_cleanup() {\n this.pendingCleanup = true;\n this._tryCleanup();\n },\n /**\n * For internal use only. Attempts to clean up if rendering is in a state\n * where that's possible.\n * @ignore\n */\n _tryCleanup: function PDFPageProxy_tryCleanup() {\n if (!this.pendingCleanup ||\n Object.keys(this.intentStates).some(function(intent) {\n var intentState = this.intentStates[intent];\n return (intentState.renderTasks.length !== 0 ||\n intentState.receivingOperatorList);\n }, this)) {\n return;\n }\n\n Object.keys(this.intentStates).forEach(function(intent) {\n delete this.intentStates[intent];\n }, this);\n this.objs.clear();\n this.annotationsPromise = null;\n this.pendingCleanup = false;\n },\n /**\n * For internal use only.\n * @ignore\n */\n _startRenderPage: function PDFPageProxy_startRenderPage(transparency,\n intent) {\n var intentState = this.intentStates[intent];\n // TODO Refactor RenderPageRequest to separate rendering\n // and operator list logic\n if (intentState.displayReadyCapability) {\n intentState.displayReadyCapability.resolve(transparency);\n }\n },\n /**\n * For internal use only.\n * @ignore\n */\n _renderPageChunk: function PDFPageProxy_renderPageChunk(operatorListChunk,\n intent) {\n var intentState = this.intentStates[intent];\n var i, ii;\n // Add the new chunk to the current operator list.\n for (i = 0, ii = operatorListChunk.length; i < ii; i++) {\n intentState.operatorList.fnArray.push(operatorListChunk.fnArray[i]);\n intentState.operatorList.argsArray.push(\n operatorListChunk.argsArray[i]);\n }\n intentState.operatorList.lastChunk = operatorListChunk.lastChunk;\n\n // Notify all the rendering tasks there are more operators to be consumed.\n for (i = 0; i < intentState.renderTasks.length; i++) {\n intentState.renderTasks[i].operatorListChanged();\n }\n\n if (operatorListChunk.lastChunk) {\n intentState.receivingOperatorList = false;\n this._tryCleanup();\n }\n },\n };\n return PDFPageProxy;\n})();\n\nclass LoopbackPort {\n constructor(defer) {\n this._listeners = [];\n this._defer = defer;\n this._deferred = Promise.resolve(undefined);\n }\n\n postMessage(obj, transfers) {\n function cloneValue(value) {\n // Trying to perform a structured clone close to the spec, including\n // transfers.\n if (typeof value !== 'object' || value === null) {\n return value;\n }\n if (cloned.has(value)) { // already cloned the object\n return cloned.get(value);\n }\n var result;\n var buffer;\n if ((buffer = value.buffer) && isArrayBuffer(buffer)) {\n // We found object with ArrayBuffer (typed array).\n var transferable = transfers && transfers.indexOf(buffer) >= 0;\n if (value === buffer) {\n // Special case when we are faking typed arrays in compatibility.js.\n result = value;\n } else if (transferable) {\n result = new value.constructor(buffer, value.byteOffset,\n value.byteLength);\n } else {\n result = new value.constructor(value);\n }\n cloned.set(value, result);\n return result;\n }\n result = isArray(value) ? [] : {};\n cloned.set(value, result); // adding to cache now for cyclic references\n // Cloning all value and object properties, however ignoring properties\n // defined via getter.\n for (var i in value) {\n var desc, p = value;\n while (!(desc = Object.getOwnPropertyDescriptor(p, i))) {\n p = Object.getPrototypeOf(p);\n }\n if (typeof desc.value === 'undefined' ||\n typeof desc.value === 'function') {\n continue;\n }\n result[i] = cloneValue(desc.value);\n }\n return result;\n }\n\n if (!this._defer) {\n this._listeners.forEach(function (listener) {\n listener.call(this, { data: obj, });\n }, this);\n return;\n }\n\n var cloned = new WeakMap();\n var e = { data: cloneValue(obj), };\n this._deferred.then(() => {\n this._listeners.forEach(function (listener) {\n listener.call(this, e);\n }, this);\n });\n }\n\n addEventListener(name, listener) {\n this._listeners.push(listener);\n }\n\n removeEventListener(name, listener) {\n var i = this._listeners.indexOf(listener);\n this._listeners.splice(i, 1);\n }\n\n terminate() {\n this._listeners = [];\n }\n}\n\n/**\n * PDF.js web worker abstraction, it controls instantiation of PDF documents and\n * WorkerTransport for them. If creation of a web worker is not possible,\n * a \"fake\" worker will be used instead.\n * @class\n */\nvar PDFWorker = (function PDFWorkerClosure() {\n let nextFakeWorkerId = 0;\n\n function getWorkerSrc() {\n if (typeof workerSrc !== 'undefined') {\n return workerSrc;\n }\n if (getDefaultSetting('workerSrc')) {\n return getDefaultSetting('workerSrc');\n }\n if (typeof PDFJSDev !== 'undefined' &&\n PDFJSDev.test('PRODUCTION && !(MOZCENTRAL || FIREFOX)') &&\n pdfjsFilePath) {\n return pdfjsFilePath.replace(/(\\.(?:min\\.)?js)(\\?.*)?$/i, '.worker$1$2');\n }\n throw new Error('No PDFJS.workerSrc specified');\n }\n\n let fakeWorkerFilesLoadedCapability;\n\n // Loads worker code into main thread.\n function setupFakeWorkerGlobal() {\n var WorkerMessageHandler;\n if (fakeWorkerFilesLoadedCapability) {\n return fakeWorkerFilesLoadedCapability.promise;\n }\n fakeWorkerFilesLoadedCapability = createPromiseCapability();\n // In the developer build load worker_loader which in turn loads all the\n // other files and resolves the promise. In production only the\n // pdf.worker.js file is needed.\n if (typeof PDFJSDev === 'undefined' || !PDFJSDev.test('PRODUCTION')) {\n if (typeof SystemJS === 'object') {\n SystemJS.import('pdfjs/core/worker').then((worker) => {\n WorkerMessageHandler = worker.WorkerMessageHandler;\n fakeWorkerFilesLoadedCapability.resolve(WorkerMessageHandler);\n });\n } else if (typeof require === 'function') {\n var worker = require('../core/worker.js');\n WorkerMessageHandler = worker.WorkerMessageHandler;\n fakeWorkerFilesLoadedCapability.resolve(WorkerMessageHandler);\n } else {\n throw new Error(\n 'SystemJS or CommonJS must be used to load fake worker.');\n }\n } else if (PDFJSDev.test('SINGLE_FILE')) {\n var pdfjsCoreWorker = require('../core/worker.js');\n WorkerMessageHandler = pdfjsCoreWorker.WorkerMessageHandler;\n fakeWorkerFilesLoadedCapability.resolve(WorkerMessageHandler);\n } else {\n var loader = fakeWorkerFilesLoader || function (callback) {\n Util.loadScript(getWorkerSrc(), function () {\n callback(window.pdfjsDistBuildPdfWorker.WorkerMessageHandler);\n });\n };\n loader(fakeWorkerFilesLoadedCapability.resolve);\n }\n return fakeWorkerFilesLoadedCapability.promise;\n }\n\n function createCDNWrapper(url) {\n // We will rely on blob URL's property to specify origin.\n // We want this function to fail in case if createObjectURL or Blob do not\n // exist or fail for some reason -- our Worker creation will fail anyway.\n var wrapper = 'importScripts(\\'' + url + '\\');';\n return URL.createObjectURL(new Blob([wrapper]));\n }\n\n let pdfWorkerPorts = new WeakMap();\n\n function PDFWorker(name, port) {\n if (port && pdfWorkerPorts.has(port)) {\n throw new Error('Cannot use more than one PDFWorker per port');\n }\n\n this.name = name;\n this.destroyed = false;\n this.postMessageTransfers = true;\n\n this._readyCapability = createPromiseCapability();\n this._port = null;\n this._webWorker = null;\n this._messageHandler = null;\n\n if (port) {\n pdfWorkerPorts.set(port, this);\n this._initializeFromPort(port);\n return;\n }\n\n this._initialize();\n }\n\n PDFWorker.prototype = /** @lends PDFWorker.prototype */ {\n get promise() {\n return this._readyCapability.promise;\n },\n\n get port() {\n return this._port;\n },\n\n get messageHandler() {\n return this._messageHandler;\n },\n\n _initializeFromPort: function PDFWorker_initializeFromPort(port) {\n this._port = port;\n this._messageHandler = new MessageHandler('main', 'worker', port);\n this._messageHandler.on('ready', function () {\n // Ignoring 'ready' event -- MessageHandler shall be already initialized\n // and ready to accept the messages.\n });\n this._readyCapability.resolve();\n },\n\n _initialize: function PDFWorker_initialize() {\n // If worker support isn't disabled explicit and the browser has worker\n // support, create a new web worker and test if it/the browser fulfills\n // all requirements to run parts of pdf.js in a web worker.\n // Right now, the requirement is, that an Uint8Array is still an\n // Uint8Array as it arrives on the worker. (Chrome added this with v.15.)\n if ((typeof PDFJSDev === 'undefined' || !PDFJSDev.test('SINGLE_FILE')) &&\n !isWorkerDisabled && !getDefaultSetting('disableWorker') &&\n typeof Worker !== 'undefined') {\n var workerSrc = getWorkerSrc();\n\n try {\n // Wraps workerSrc path into blob URL, if the former does not belong\n // to the same origin.\n if (typeof PDFJSDev !== 'undefined' && PDFJSDev.test('GENERIC') &&\n !isSameOrigin(window.location.href, workerSrc)) {\n workerSrc = createCDNWrapper(\n new URL(workerSrc, window.location).href);\n }\n\n // Some versions of FF can't create a worker on localhost, see:\n // https://bugzilla.mozilla.org/show_bug.cgi?id=683280\n var worker = new Worker(workerSrc);\n var messageHandler = new MessageHandler('main', 'worker', worker);\n var terminateEarly = () => {\n worker.removeEventListener('error', onWorkerError);\n messageHandler.destroy();\n worker.terminate();\n if (this.destroyed) {\n this._readyCapability.reject(new Error('Worker was destroyed'));\n } else {\n // Fall back to fake worker if the termination is caused by an\n // error (e.g. NetworkError / SecurityError).\n this._setupFakeWorker();\n }\n };\n\n var onWorkerError = () => {\n if (!this._webWorker) {\n // Worker failed to initialize due to an error. Clean up and fall\n // back to the fake worker.\n terminateEarly();\n }\n };\n worker.addEventListener('error', onWorkerError);\n\n messageHandler.on('test', (data) => {\n worker.removeEventListener('error', onWorkerError);\n if (this.destroyed) {\n terminateEarly();\n return; // worker was destroyed\n }\n var supportTypedArray = data && data.supportTypedArray;\n if (supportTypedArray) {\n this._messageHandler = messageHandler;\n this._port = worker;\n this._webWorker = worker;\n if (!data.supportTransfers) {\n this.postMessageTransfers = false;\n isPostMessageTransfersDisabled = true;\n }\n this._readyCapability.resolve();\n // Send global setting, e.g. verbosity level.\n messageHandler.send('configure', {\n verbosity: getVerbosityLevel(),\n });\n } else {\n this._setupFakeWorker();\n messageHandler.destroy();\n worker.terminate();\n }\n });\n\n messageHandler.on('console_log', function (data) {\n console.log.apply(console, data);\n });\n messageHandler.on('console_error', function (data) {\n console.error.apply(console, data);\n });\n\n messageHandler.on('ready', (data) => {\n worker.removeEventListener('error', onWorkerError);\n if (this.destroyed) {\n terminateEarly();\n return; // worker was destroyed\n }\n try {\n sendTest();\n } catch (e) {\n // We need fallback to a faked worker.\n this._setupFakeWorker();\n }\n });\n\n var sendTest = function () {\n var postMessageTransfers =\n getDefaultSetting('postMessageTransfers') &&\n !isPostMessageTransfersDisabled;\n var testObj = new Uint8Array([postMessageTransfers ? 255 : 0]);\n // Some versions of Opera throw a DATA_CLONE_ERR on serializing the\n // typed array. Also, checking if we can use transfers.\n try {\n messageHandler.send('test', testObj, [testObj.buffer]);\n } catch (ex) {\n info('Cannot use postMessage transfers');\n testObj[0] = 0;\n messageHandler.send('test', testObj);\n }\n };\n\n // It might take time for worker to initialize (especially when AMD\n // loader is used). We will try to send test immediately, and then\n // when 'ready' message will arrive. The worker shall process only\n // first received 'test'.\n sendTest();\n return;\n } catch (e) {\n info('The worker has been disabled.');\n }\n }\n // Either workers are disabled, not supported or have thrown an exception.\n // Thus, we fallback to a faked worker.\n this._setupFakeWorker();\n },\n\n _setupFakeWorker: function PDFWorker_setupFakeWorker() {\n if (!isWorkerDisabled && !getDefaultSetting('disableWorker')) {\n warn('Setting up fake worker.');\n isWorkerDisabled = true;\n }\n\n setupFakeWorkerGlobal().then((WorkerMessageHandler) => {\n if (this.destroyed) {\n this._readyCapability.reject(new Error('Worker was destroyed'));\n return;\n }\n\n // We cannot turn on proper fake port simulation (this includes\n // structured cloning) when typed arrays are not supported. Relying\n // on a chance that messages will be sent in proper order.\n var isTypedArraysPresent = Uint8Array !== Float32Array;\n var port = new LoopbackPort(isTypedArraysPresent);\n this._port = port;\n\n // All fake workers use the same port, making id unique.\n var id = 'fake' + (nextFakeWorkerId++);\n\n // If the main thread is our worker, setup the handling for the\n // messages -- the main thread sends to it self.\n var workerHandler = new MessageHandler(id + '_worker', id, port);\n WorkerMessageHandler.setup(workerHandler, port);\n\n var messageHandler = new MessageHandler(id, id + '_worker', port);\n this._messageHandler = messageHandler;\n this._readyCapability.resolve();\n });\n },\n\n /**\n * Destroys the worker instance.\n */\n destroy: function PDFWorker_destroy() {\n this.destroyed = true;\n if (this._webWorker) {\n // We need to terminate only web worker created resource.\n this._webWorker.terminate();\n this._webWorker = null;\n }\n pdfWorkerPorts.delete(this._port);\n this._port = null;\n if (this._messageHandler) {\n this._messageHandler.destroy();\n this._messageHandler = null;\n }\n },\n };\n\n PDFWorker.fromPort = function (port) {\n if (pdfWorkerPorts.has(port)) {\n return pdfWorkerPorts.get(port);\n }\n return new PDFWorker(null, port);\n };\n\n return PDFWorker;\n})();\n\n/**\n * For internal use only.\n * @ignore\n */\nvar WorkerTransport = (function WorkerTransportClosure() {\n function WorkerTransport(messageHandler, loadingTask, networkStream,\n CMapReaderFactory) {\n this.messageHandler = messageHandler;\n this.loadingTask = loadingTask;\n this.commonObjs = new PDFObjects();\n this.fontLoader = new FontLoader(loadingTask.docId);\n this.CMapReaderFactory = new CMapReaderFactory({\n baseUrl: getDefaultSetting('cMapUrl'),\n isCompressed: getDefaultSetting('cMapPacked'),\n });\n\n this.destroyed = false;\n this.destroyCapability = null;\n this._passwordCapability = null;\n\n this._networkStream = networkStream;\n this._fullReader = null;\n this._lastProgress = null;\n\n this.pageCache = [];\n this.pagePromises = [];\n this.downloadInfoCapability = createPromiseCapability();\n\n this.setupMessageHandler();\n }\n WorkerTransport.prototype = {\n destroy: function WorkerTransport_destroy() {\n if (this.destroyCapability) {\n return this.destroyCapability.promise;\n }\n\n this.destroyed = true;\n this.destroyCapability = createPromiseCapability();\n\n if (this._passwordCapability) {\n this._passwordCapability.reject(\n new Error('Worker was destroyed during onPassword callback'));\n }\n\n var waitOn = [];\n // We need to wait for all renderings to be completed, e.g.\n // timeout/rAF can take a long time.\n this.pageCache.forEach(function (page) {\n if (page) {\n waitOn.push(page._destroy());\n }\n });\n this.pageCache = [];\n this.pagePromises = [];\n // We also need to wait for the worker to finish its long running tasks.\n var terminated = this.messageHandler.sendWithPromise('Terminate', null);\n waitOn.push(terminated);\n Promise.all(waitOn).then(() => {\n this.fontLoader.clear();\n if (this._networkStream) {\n this._networkStream.cancelAllRequests();\n }\n\n if (this.messageHandler) {\n this.messageHandler.destroy();\n this.messageHandler = null;\n }\n this.destroyCapability.resolve();\n }, this.destroyCapability.reject);\n return this.destroyCapability.promise;\n },\n\n setupMessageHandler: function WorkerTransport_setupMessageHandler() {\n var messageHandler = this.messageHandler;\n var loadingTask = this.loadingTask;\n\n messageHandler.on('GetReader', function(data, sink) {\n assert(this._networkStream);\n this._fullReader = this._networkStream.getFullReader();\n this._fullReader.onProgress = (evt) => {\n this._lastProgress = {\n loaded: evt.loaded,\n total: evt.total,\n };\n };\n sink.onPull = () => {\n this._fullReader.read().then(function({ value, done, }) {\n if (done) {\n sink.close();\n return;\n }\n assert(isArrayBuffer(value));\n // Enqueue data chunk into sink, and transfer it\n // to other side as `Transferable` object.\n sink.enqueue(new Uint8Array(value), 1, [value]);\n }).catch((reason) => {\n sink.error(reason);\n });\n };\n\n sink.onCancel = (reason) => {\n this._fullReader.cancel(reason);\n };\n }, this);\n\n messageHandler.on('ReaderHeadersReady', function(data) {\n let headersCapability = createPromiseCapability();\n let fullReader = this._fullReader;\n fullReader.headersReady.then(() => {\n // If stream or range are disabled, it's our only way to report\n // loading progress.\n if (!fullReader.isStreamingSupported ||\n !fullReader.isRangeSupported) {\n if (this._lastProgress) {\n let loadingTask = this.loadingTask;\n if (loadingTask.onProgress) {\n loadingTask.onProgress(this._lastProgress);\n }\n }\n fullReader.onProgress = (evt) => {\n let loadingTask = this.loadingTask;\n if (loadingTask.onProgress) {\n loadingTask.onProgress({\n loaded: evt.loaded,\n total: evt.total,\n });\n }\n };\n }\n\n headersCapability.resolve({\n isStreamingSupported: fullReader.isStreamingSupported,\n isRangeSupported: fullReader.isRangeSupported,\n contentLength: fullReader.contentLength,\n });\n }, headersCapability.reject);\n\n return headersCapability.promise;\n }, this);\n\n messageHandler.on('GetRangeReader', function(data, sink) {\n assert(this._networkStream);\n let _rangeReader =\n this._networkStream.getRangeReader(data.begin, data.end);\n\n sink.onPull = () => {\n _rangeReader.read().then(function({ value, done, }) {\n if (done) {\n sink.close();\n return;\n }\n assert(isArrayBuffer(value));\n sink.enqueue(new Uint8Array(value), 1, [value]);\n }).catch((reason) => {\n sink.error(reason);\n });\n };\n\n sink.onCancel = (reason) => {\n _rangeReader.cancel(reason);\n };\n }, this);\n\n messageHandler.on('GetDoc', function transportDoc(data) {\n var pdfInfo = data.pdfInfo;\n this.numPages = data.pdfInfo.numPages;\n var loadingTask = this.loadingTask;\n var pdfDocument = new PDFDocumentProxy(pdfInfo, this, loadingTask);\n this.pdfDocument = pdfDocument;\n loadingTask._capability.resolve(pdfDocument);\n }, this);\n\n messageHandler.on('PasswordRequest',\n function transportPasswordRequest(exception) {\n this._passwordCapability = createPromiseCapability();\n\n if (loadingTask.onPassword) {\n var updatePassword = (password) => {\n this._passwordCapability.resolve({\n password,\n });\n };\n loadingTask.onPassword(updatePassword, exception.code);\n } else {\n this._passwordCapability.reject(\n new PasswordException(exception.message, exception.code));\n }\n return this._passwordCapability.promise;\n }, this);\n\n messageHandler.on('PasswordException',\n function transportPasswordException(exception) {\n loadingTask._capability.reject(\n new PasswordException(exception.message, exception.code));\n }, this);\n\n messageHandler.on('InvalidPDF', function transportInvalidPDF(exception) {\n this.loadingTask._capability.reject(\n new InvalidPDFException(exception.message));\n }, this);\n\n messageHandler.on('MissingPDF', function transportMissingPDF(exception) {\n this.loadingTask._capability.reject(\n new MissingPDFException(exception.message));\n }, this);\n\n messageHandler.on('UnexpectedResponse',\n function transportUnexpectedResponse(exception) {\n this.loadingTask._capability.reject(\n new UnexpectedResponseException(exception.message, exception.status));\n }, this);\n\n messageHandler.on('UnknownError',\n function transportUnknownError(exception) {\n this.loadingTask._capability.reject(\n new UnknownErrorException(exception.message, exception.details));\n }, this);\n\n messageHandler.on('DataLoaded', function transportPage(data) {\n this.downloadInfoCapability.resolve(data);\n }, this);\n\n messageHandler.on('PDFManagerReady', function transportPage(data) {\n }, this);\n\n messageHandler.on('StartRenderPage', function transportRender(data) {\n if (this.destroyed) {\n return; // Ignore any pending requests if the worker was terminated.\n }\n var page = this.pageCache[data.pageIndex];\n\n page.stats.timeEnd('Page Request');\n page._startRenderPage(data.transparency, data.intent);\n }, this);\n\n messageHandler.on('RenderPageChunk', function transportRender(data) {\n if (this.destroyed) {\n return; // Ignore any pending requests if the worker was terminated.\n }\n var page = this.pageCache[data.pageIndex];\n\n page._renderPageChunk(data.operatorList, data.intent);\n }, this);\n\n messageHandler.on('commonobj', function transportObj(data) {\n if (this.destroyed) {\n return; // Ignore any pending requests if the worker was terminated.\n }\n\n var id = data[0];\n var type = data[1];\n if (this.commonObjs.hasData(id)) {\n return;\n }\n\n switch (type) {\n case 'Font':\n var exportedData = data[2];\n\n if ('error' in exportedData) {\n var exportedError = exportedData.error;\n warn('Error during font loading: ' + exportedError);\n this.commonObjs.resolve(id, exportedError);\n break;\n }\n var fontRegistry = null;\n if (getDefaultSetting('pdfBug') && globalScope.FontInspector &&\n globalScope['FontInspector'].enabled) {\n fontRegistry = {\n registerFont(font, url) {\n globalScope['FontInspector'].fontAdded(font, url);\n },\n };\n }\n var font = new FontFaceObject(exportedData, {\n isEvalSuported: getDefaultSetting('isEvalSupported'),\n disableFontFace: getDefaultSetting('disableFontFace'),\n fontRegistry,\n });\n var fontReady = (fontObjs) => {\n this.commonObjs.resolve(id, font);\n };\n\n this.fontLoader.bind([font], fontReady);\n break;\n case 'FontPath':\n this.commonObjs.resolve(id, data[2]);\n break;\n default:\n throw new Error(`Got unknown common object type ${type}`);\n }\n }, this);\n\n messageHandler.on('obj', function transportObj(data) {\n if (this.destroyed) {\n return; // Ignore any pending requests if the worker was terminated.\n }\n\n var id = data[0];\n var pageIndex = data[1];\n var type = data[2];\n var pageProxy = this.pageCache[pageIndex];\n var imageData;\n if (pageProxy.objs.hasData(id)) {\n return;\n }\n\n switch (type) {\n case 'JpegStream':\n imageData = data[3];\n loadJpegStream(id, imageData, pageProxy.objs);\n break;\n case 'Image':\n imageData = data[3];\n pageProxy.objs.resolve(id, imageData);\n\n // heuristics that will allow not to store large data\n var MAX_IMAGE_SIZE_TO_STORE = 8000000;\n if (imageData && 'data' in imageData &&\n imageData.data.length > MAX_IMAGE_SIZE_TO_STORE) {\n pageProxy.cleanupAfterRender = true;\n }\n break;\n default:\n throw new Error(`Got unknown object type ${type}`);\n }\n }, this);\n\n messageHandler.on('DocProgress', function transportDocProgress(data) {\n if (this.destroyed) {\n return; // Ignore any pending requests if the worker was terminated.\n }\n\n var loadingTask = this.loadingTask;\n if (loadingTask.onProgress) {\n loadingTask.onProgress({\n loaded: data.loaded,\n total: data.total,\n });\n }\n }, this);\n\n messageHandler.on('PageError', function transportError(data) {\n if (this.destroyed) {\n return; // Ignore any pending requests if the worker was terminated.\n }\n\n var page = this.pageCache[data.pageNum - 1];\n var intentState = page.intentStates[data.intent];\n\n if (intentState.displayReadyCapability) {\n intentState.displayReadyCapability.reject(data.error);\n } else {\n throw new Error(data.error);\n }\n\n if (intentState.operatorList) {\n // Mark operator list as complete.\n intentState.operatorList.lastChunk = true;\n for (var i = 0; i < intentState.renderTasks.length; i++) {\n intentState.renderTasks[i].operatorListChanged();\n }\n }\n }, this);\n\n messageHandler.on('UnsupportedFeature',\n function transportUnsupportedFeature(data) {\n if (this.destroyed) {\n return; // Ignore any pending requests if the worker was terminated.\n }\n var featureId = data.featureId;\n var loadingTask = this.loadingTask;\n if (loadingTask.onUnsupportedFeature) {\n loadingTask.onUnsupportedFeature(featureId);\n }\n _UnsupportedManager.notify(featureId);\n }, this);\n\n messageHandler.on('JpegDecode', function(data) {\n if (this.destroyed) {\n return Promise.reject(new Error('Worker was destroyed'));\n }\n\n if (typeof document === 'undefined') {\n // Make sure that this code is not executing in node.js, as\n // it's using DOM image, and there is no library to support that.\n return Promise.reject(new Error('\"document\" is not defined.'));\n }\n\n var imageUrl = data[0];\n var components = data[1];\n if (components !== 3 && components !== 1) {\n return Promise.reject(\n new Error('Only 3 components or 1 component can be returned'));\n }\n\n return new Promise(function (resolve, reject) {\n var img = new Image();\n img.onload = function () {\n var width = img.width;\n var height = img.height;\n var size = width * height;\n var rgbaLength = size * 4;\n var buf = new Uint8Array(size * components);\n var tmpCanvas = document.createElement('canvas');\n tmpCanvas.width = width;\n tmpCanvas.height = height;\n var tmpCtx = tmpCanvas.getContext('2d');\n tmpCtx.drawImage(img, 0, 0);\n var data = tmpCtx.getImageData(0, 0, width, height).data;\n var i, j;\n\n if (components === 3) {\n for (i = 0, j = 0; i < rgbaLength; i += 4, j += 3) {\n buf[j] = data[i];\n buf[j + 1] = data[i + 1];\n buf[j + 2] = data[i + 2];\n }\n } else if (components === 1) {\n for (i = 0, j = 0; i < rgbaLength; i += 4, j++) {\n buf[j] = data[i];\n }\n }\n resolve({ data: buf, width, height, });\n };\n img.onerror = function () {\n reject(new Error('JpegDecode failed to load image'));\n };\n img.src = imageUrl;\n });\n }, this);\n\n messageHandler.on('FetchBuiltInCMap', function (data) {\n if (this.destroyed) {\n return Promise.reject(new Error('Worker was destroyed'));\n }\n return this.CMapReaderFactory.fetch({\n name: data.name,\n });\n }, this);\n },\n\n getData: function WorkerTransport_getData() {\n return this.messageHandler.sendWithPromise('GetData', null);\n },\n\n getPage: function WorkerTransport_getPage(pageNumber, capability) {\n if (!isInt(pageNumber) || pageNumber <= 0 || pageNumber > this.numPages) {\n return Promise.reject(new Error('Invalid page request'));\n }\n\n var pageIndex = pageNumber - 1;\n if (pageIndex in this.pagePromises) {\n return this.pagePromises[pageIndex];\n }\n var promise = this.messageHandler.sendWithPromise('GetPage', {\n pageIndex,\n }).then((pageInfo) => {\n if (this.destroyed) {\n throw new Error('Transport destroyed');\n }\n var page = new PDFPageProxy(pageIndex, pageInfo, this);\n this.pageCache[pageIndex] = page;\n return page;\n });\n this.pagePromises[pageIndex] = promise;\n return promise;\n },\n\n getPageIndex: function WorkerTransport_getPageIndexByRef(ref) {\n return this.messageHandler.sendWithPromise('GetPageIndex', {\n ref,\n }).catch(function (reason) {\n return Promise.reject(new Error(reason));\n });\n },\n\n getAnnotations: function WorkerTransport_getAnnotations(pageIndex, intent) {\n return this.messageHandler.sendWithPromise('GetAnnotations', {\n pageIndex,\n intent,\n });\n },\n\n getDestinations: function WorkerTransport_getDestinations() {\n return this.messageHandler.sendWithPromise('GetDestinations', null);\n },\n\n getDestination: function WorkerTransport_getDestination(id) {\n return this.messageHandler.sendWithPromise('GetDestination', {\n id,\n });\n },\n\n getPageLabels: function WorkerTransport_getPageLabels() {\n return this.messageHandler.sendWithPromise('GetPageLabels', null);\n },\n\n getPageMode() {\n return this.messageHandler.sendWithPromise('GetPageMode', null);\n },\n\n getAttachments: function WorkerTransport_getAttachments() {\n return this.messageHandler.sendWithPromise('GetAttachments', null);\n },\n\n getJavaScript: function WorkerTransport_getJavaScript() {\n return this.messageHandler.sendWithPromise('GetJavaScript', null);\n },\n\n getOutline: function WorkerTransport_getOutline() {\n return this.messageHandler.sendWithPromise('GetOutline', null);\n },\n\n getMetadata: function WorkerTransport_getMetadata() {\n return this.messageHandler.sendWithPromise('GetMetadata', null).\n then(function transportMetadata(results) {\n return {\n info: results[0],\n metadata: (results[1] ? new Metadata(results[1]) : null),\n };\n });\n },\n\n getStats: function WorkerTransport_getStats() {\n return this.messageHandler.sendWithPromise('GetStats', null);\n },\n\n startCleanup: function WorkerTransport_startCleanup() {\n this.messageHandler.sendWithPromise('Cleanup', null).then(() => {\n for (var i = 0, ii = this.pageCache.length; i < ii; i++) {\n var page = this.pageCache[i];\n if (page) {\n page.cleanup();\n }\n }\n this.commonObjs.clear();\n this.fontLoader.clear();\n });\n },\n };\n return WorkerTransport;\n\n})();\n\n/**\n * A PDF document and page is built of many objects. E.g. there are objects\n * for fonts, images, rendering code and such. These objects might get processed\n * inside of a worker. The `PDFObjects` implements some basic functions to\n * manage these objects.\n * @ignore\n */\nvar PDFObjects = (function PDFObjectsClosure() {\n function PDFObjects() {\n this.objs = Object.create(null);\n }\n\n PDFObjects.prototype = {\n /**\n * Internal function.\n * Ensures there is an object defined for `objId`.\n */\n ensureObj: function PDFObjects_ensureObj(objId) {\n if (this.objs[objId]) {\n return this.objs[objId];\n }\n\n var obj = {\n capability: createPromiseCapability(),\n data: null,\n resolved: false,\n };\n this.objs[objId] = obj;\n\n return obj;\n },\n\n /**\n * If called *without* callback, this returns the data of `objId` but the\n * object needs to be resolved. If it isn't, this function throws.\n *\n * If called *with* a callback, the callback is called with the data of the\n * object once the object is resolved. That means, if you call this\n * function and the object is already resolved, the callback gets called\n * right away.\n */\n get: function PDFObjects_get(objId, callback) {\n // If there is a callback, then the get can be async and the object is\n // not required to be resolved right now\n if (callback) {\n this.ensureObj(objId).capability.promise.then(callback);\n return null;\n }\n\n // If there isn't a callback, the user expects to get the resolved data\n // directly.\n var obj = this.objs[objId];\n\n // If there isn't an object yet or the object isn't resolved, then the\n // data isn't ready yet!\n if (!obj || !obj.resolved) {\n throw new Error(`Requesting object that isn't resolved yet ${objId}`);\n }\n\n return obj.data;\n },\n\n /**\n * Resolves the object `objId` with optional `data`.\n */\n resolve: function PDFObjects_resolve(objId, data) {\n var obj = this.ensureObj(objId);\n\n obj.resolved = true;\n obj.data = data;\n obj.capability.resolve(data);\n },\n\n isResolved: function PDFObjects_isResolved(objId) {\n var objs = this.objs;\n\n if (!objs[objId]) {\n return false;\n }\n return objs[objId].resolved;\n },\n\n hasData: function PDFObjects_hasData(objId) {\n return this.isResolved(objId);\n },\n\n /**\n * Returns the data of `objId` if object exists, null otherwise.\n */\n getData: function PDFObjects_getData(objId) {\n var objs = this.objs;\n if (!objs[objId] || !objs[objId].resolved) {\n return null;\n }\n return objs[objId].data;\n },\n\n clear: function PDFObjects_clear() {\n this.objs = Object.create(null);\n },\n };\n return PDFObjects;\n})();\n\n/**\n * Allows controlling of the rendering tasks.\n * @class\n * @alias RenderTask\n */\nvar RenderTask = (function RenderTaskClosure() {\n function RenderTask(internalRenderTask) {\n this._internalRenderTask = internalRenderTask;\n\n /**\n * Callback for incremental rendering -- a function that will be called\n * each time the rendering is paused. To continue rendering call the\n * function that is the first argument to the callback.\n * @type {function}\n */\n this.onContinue = null;\n }\n\n RenderTask.prototype = /** @lends RenderTask.prototype */ {\n /**\n * Promise for rendering task completion.\n * @return {Promise}\n */\n get promise() {\n return this._internalRenderTask.capability.promise;\n },\n\n /**\n * Cancels the rendering task. If the task is currently rendering it will\n * not be cancelled until graphics pauses with a timeout. The promise that\n * this object extends will be rejected when cancelled.\n */\n cancel: function RenderTask_cancel() {\n this._internalRenderTask.cancel();\n },\n\n /**\n * Registers callbacks to indicate the rendering task completion.\n *\n * @param {function} onFulfilled The callback for the rendering completion.\n * @param {function} onRejected The callback for the rendering failure.\n * @return {Promise} A promise that is resolved after the onFulfilled or\n * onRejected callback.\n */\n then: function RenderTask_then(onFulfilled, onRejected) {\n return this.promise.then.apply(this.promise, arguments);\n },\n };\n\n return RenderTask;\n})();\n\n/**\n * For internal use only.\n * @ignore\n */\nvar InternalRenderTask = (function InternalRenderTaskClosure() {\n let canvasInRendering = new WeakMap();\n\n function InternalRenderTask(callback, params, objs, commonObjs, operatorList,\n pageNumber, canvasFactory) {\n this.callback = callback;\n this.params = params;\n this.objs = objs;\n this.commonObjs = commonObjs;\n this.operatorListIdx = null;\n this.operatorList = operatorList;\n this.pageNumber = pageNumber;\n this.canvasFactory = canvasFactory;\n this.running = false;\n this.graphicsReadyCallback = null;\n this.graphicsReady = false;\n this.useRequestAnimationFrame = false;\n this.cancelled = false;\n this.capability = createPromiseCapability();\n this.task = new RenderTask(this);\n // caching this-bound methods\n this._continueBound = this._continue.bind(this);\n this._scheduleNextBound = this._scheduleNext.bind(this);\n this._nextBound = this._next.bind(this);\n this._canvas = params.canvasContext.canvas;\n }\n\n InternalRenderTask.prototype = {\n\n initializeGraphics:\n function InternalRenderTask_initializeGraphics(transparency) {\n\n if (this._canvas) {\n if (canvasInRendering.has(this._canvas)) {\n throw new Error(\n 'Cannot use the same canvas during multiple render() operations. ' +\n 'Use different canvas or ensure previous operations were ' +\n 'cancelled or completed.');\n }\n canvasInRendering.set(this._canvas, this);\n }\n\n if (this.cancelled) {\n return;\n }\n if (getDefaultSetting('pdfBug') && globalScope.StepperManager &&\n globalScope.StepperManager.enabled) {\n this.stepper = globalScope.StepperManager.create(this.pageNumber - 1);\n this.stepper.init(this.operatorList);\n this.stepper.nextBreakPoint = this.stepper.getNextBreakPoint();\n }\n\n var params = this.params;\n this.gfx = new CanvasGraphics(params.canvasContext, this.commonObjs,\n this.objs, this.canvasFactory,\n params.imageLayer);\n\n this.gfx.beginDrawing({\n transform: params.transform,\n viewport: params.viewport,\n transparency,\n background: params.background,\n });\n this.operatorListIdx = 0;\n this.graphicsReady = true;\n if (this.graphicsReadyCallback) {\n this.graphicsReadyCallback();\n }\n },\n\n cancel: function InternalRenderTask_cancel() {\n this.running = false;\n this.cancelled = true;\n if (this._canvas) {\n canvasInRendering.delete(this._canvas);\n }\n\n if ((typeof PDFJSDev !== 'undefined' && PDFJSDev.test('PDFJS_NEXT')) ||\n getDefaultSetting('pdfjsNext')) {\n this.callback(new RenderingCancelledException(\n 'Rendering cancelled, page ' + this.pageNumber, 'canvas'));\n } else {\n this.callback('cancelled');\n }\n },\n\n operatorListChanged: function InternalRenderTask_operatorListChanged() {\n if (!this.graphicsReady) {\n if (!this.graphicsReadyCallback) {\n this.graphicsReadyCallback = this._continueBound;\n }\n return;\n }\n\n if (this.stepper) {\n this.stepper.updateOperatorList(this.operatorList);\n }\n\n if (this.running) {\n return;\n }\n this._continue();\n },\n\n _continue: function InternalRenderTask__continue() {\n this.running = true;\n if (this.cancelled) {\n return;\n }\n if (this.task.onContinue) {\n this.task.onContinue(this._scheduleNextBound);\n } else {\n this._scheduleNext();\n }\n },\n\n _scheduleNext: function InternalRenderTask__scheduleNext() {\n if (this.useRequestAnimationFrame && typeof window !== 'undefined') {\n window.requestAnimationFrame(this._nextBound);\n } else {\n Promise.resolve(undefined).then(this._nextBound);\n }\n },\n\n _next: function InternalRenderTask__next() {\n if (this.cancelled) {\n return;\n }\n this.operatorListIdx = this.gfx.executeOperatorList(this.operatorList,\n this.operatorListIdx,\n this._continueBound,\n this.stepper);\n if (this.operatorListIdx === this.operatorList.argsArray.length) {\n this.running = false;\n if (this.operatorList.lastChunk) {\n this.gfx.endDrawing();\n if (this._canvas) {\n canvasInRendering.delete(this._canvas);\n }\n this.callback();\n }\n }\n },\n\n };\n\n return InternalRenderTask;\n})();\n\n/**\n * (Deprecated) Global observer of unsupported feature usages. Use\n * onUnsupportedFeature callback of the {PDFDocumentLoadingTask} instance.\n */\nvar _UnsupportedManager = (function UnsupportedManagerClosure() {\n var listeners = [];\n return {\n listen(cb) {\n deprecated('Global UnsupportedManager.listen is used: ' +\n ' use PDFDocumentLoadingTask.onUnsupportedFeature instead');\n listeners.push(cb);\n },\n notify(featureId) {\n for (var i = 0, ii = listeners.length; i < ii; i++) {\n listeners[i](featureId);\n }\n },\n };\n})();\n\nvar version, build;\nif (typeof PDFJSDev !== 'undefined') {\n version = PDFJSDev.eval('BUNDLE_VERSION');\n build = PDFJSDev.eval('BUNDLE_BUILD');\n}\n\nexport {\n getDocument,\n LoopbackPort,\n PDFDataRangeTransport,\n PDFWorker,\n PDFDocumentProxy,\n PDFPageProxy,\n setPDFNetworkStreamClass,\n _UnsupportedManager,\n version,\n build,\n};\n\n\n\n// WEBPACK FOOTER //\n// src/display/api.js","/* Copyright 2014 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport {\n addLinkAttributes, CustomStyle, getDefaultSetting, getFilenameFromUrl,\n LinkTarget\n} from './dom_utils';\nimport {\n AnnotationBorderStyleType, AnnotationType, stringToPDFString, Util, warn\n} from '../shared/util';\n\n/**\n * @typedef {Object} AnnotationElementParameters\n * @property {Object} data\n * @property {HTMLDivElement} layer\n * @property {PDFPage} page\n * @property {PageViewport} viewport\n * @property {IPDFLinkService} linkService\n * @property {DownloadManager} downloadManager\n * @property {string} imageResourcesPath\n * @property {boolean} renderInteractiveForms\n */\n\n/**\n * @class\n * @alias AnnotationElementFactory\n */\nfunction AnnotationElementFactory() {}\nAnnotationElementFactory.prototype =\n /** @lends AnnotationElementFactory.prototype */ {\n /**\n * @param {AnnotationElementParameters} parameters\n * @returns {AnnotationElement}\n */\n create: function AnnotationElementFactory_create(parameters) {\n var subtype = parameters.data.annotationType;\n\n switch (subtype) {\n case AnnotationType.LINK:\n return new LinkAnnotationElement(parameters);\n\n case AnnotationType.TEXT:\n return new TextAnnotationElement(parameters);\n\n case AnnotationType.WIDGET:\n var fieldType = parameters.data.fieldType;\n\n switch (fieldType) {\n case 'Tx':\n return new TextWidgetAnnotationElement(parameters);\n case 'Btn':\n if (parameters.data.radioButton) {\n return new RadioButtonWidgetAnnotationElement(parameters);\n } else if (parameters.data.checkBox) {\n return new CheckboxWidgetAnnotationElement(parameters);\n }\n warn('Unimplemented button widget annotation: pushbutton');\n break;\n case 'Ch':\n return new ChoiceWidgetAnnotationElement(parameters);\n }\n return new WidgetAnnotationElement(parameters);\n\n case AnnotationType.POPUP:\n return new PopupAnnotationElement(parameters);\n\n case AnnotationType.LINE:\n return new LineAnnotationElement(parameters);\n\n case AnnotationType.HIGHLIGHT:\n return new HighlightAnnotationElement(parameters);\n\n case AnnotationType.UNDERLINE:\n return new UnderlineAnnotationElement(parameters);\n\n case AnnotationType.SQUIGGLY:\n return new SquigglyAnnotationElement(parameters);\n\n case AnnotationType.STRIKEOUT:\n return new StrikeOutAnnotationElement(parameters);\n\n case AnnotationType.FILEATTACHMENT:\n return new FileAttachmentAnnotationElement(parameters);\n\n default:\n return new AnnotationElement(parameters);\n }\n },\n};\n\n/**\n * @class\n * @alias AnnotationElement\n */\nvar AnnotationElement = (function AnnotationElementClosure() {\n function AnnotationElement(parameters, isRenderable, ignoreBorder) {\n this.isRenderable = isRenderable || false;\n this.data = parameters.data;\n this.layer = parameters.layer;\n this.page = parameters.page;\n this.viewport = parameters.viewport;\n this.linkService = parameters.linkService;\n this.downloadManager = parameters.downloadManager;\n this.imageResourcesPath = parameters.imageResourcesPath;\n this.renderInteractiveForms = parameters.renderInteractiveForms;\n\n if (isRenderable) {\n this.container = this._createContainer(ignoreBorder);\n }\n }\n\n AnnotationElement.prototype = /** @lends AnnotationElement.prototype */ {\n /**\n * Create an empty container for the annotation's HTML element.\n *\n * @private\n * @param {boolean} ignoreBorder\n * @memberof AnnotationElement\n * @returns {HTMLSectionElement}\n */\n _createContainer:\n function AnnotationElement_createContainer(ignoreBorder) {\n var data = this.data, page = this.page, viewport = this.viewport;\n var container = document.createElement('section');\n var width = data.rect[2] - data.rect[0];\n var height = data.rect[3] - data.rect[1];\n\n container.setAttribute('data-annotation-id', data.id);\n\n // Do *not* modify `data.rect`, since that will corrupt the annotation\n // position on subsequent calls to `_createContainer` (see issue 6804).\n var rect = Util.normalizeRect([\n data.rect[0],\n page.view[3] - data.rect[1] + page.view[1],\n data.rect[2],\n page.view[3] - data.rect[3] + page.view[1]\n ]);\n\n CustomStyle.setProp('transform', container,\n 'matrix(' + viewport.transform.join(',') + ')');\n CustomStyle.setProp('transformOrigin', container,\n -rect[0] + 'px ' + -rect[1] + 'px');\n\n if (!ignoreBorder && data.borderStyle.width > 0) {\n container.style.borderWidth = data.borderStyle.width + 'px';\n if (data.borderStyle.style !== AnnotationBorderStyleType.UNDERLINE) {\n // Underline styles only have a bottom border, so we do not need\n // to adjust for all borders. This yields a similar result as\n // Adobe Acrobat/Reader.\n width = width - 2 * data.borderStyle.width;\n height = height - 2 * data.borderStyle.width;\n }\n\n var horizontalRadius = data.borderStyle.horizontalCornerRadius;\n var verticalRadius = data.borderStyle.verticalCornerRadius;\n if (horizontalRadius > 0 || verticalRadius > 0) {\n var radius = horizontalRadius + 'px / ' + verticalRadius + 'px';\n CustomStyle.setProp('borderRadius', container, radius);\n }\n\n switch (data.borderStyle.style) {\n case AnnotationBorderStyleType.SOLID:\n container.style.borderStyle = 'solid';\n break;\n\n case AnnotationBorderStyleType.DASHED:\n container.style.borderStyle = 'dashed';\n break;\n\n case AnnotationBorderStyleType.BEVELED:\n warn('Unimplemented border style: beveled');\n break;\n\n case AnnotationBorderStyleType.INSET:\n warn('Unimplemented border style: inset');\n break;\n\n case AnnotationBorderStyleType.UNDERLINE:\n container.style.borderBottomStyle = 'solid';\n break;\n\n default:\n break;\n }\n\n if (data.color) {\n container.style.borderColor =\n Util.makeCssRgb(data.color[0] | 0,\n data.color[1] | 0,\n data.color[2] | 0);\n } else {\n // Transparent (invisible) border, so do not draw it at all.\n container.style.borderWidth = 0;\n }\n }\n\n container.style.left = rect[0] + 'px';\n container.style.top = rect[1] + 'px';\n\n container.style.width = width + 'px';\n container.style.height = height + 'px';\n\n return container;\n },\n\n /**\n * Create a popup for the annotation's HTML element. This is used for\n * annotations that do not have a Popup entry in the dictionary, but\n * are of a type that works with popups (such as Highlight annotations).\n *\n * @private\n * @param {HTMLSectionElement} container\n * @param {HTMLDivElement|HTMLImageElement|null} trigger\n * @param {Object} data\n * @memberof AnnotationElement\n */\n _createPopup:\n function AnnotationElement_createPopup(container, trigger, data) {\n // If no trigger element is specified, create it.\n if (!trigger) {\n trigger = document.createElement('div');\n trigger.style.height = container.style.height;\n trigger.style.width = container.style.width;\n container.appendChild(trigger);\n }\n\n var popupElement = new PopupElement({\n container,\n trigger,\n color: data.color,\n title: data.title,\n contents: data.contents,\n hideWrapper: true,\n });\n var popup = popupElement.render();\n\n // Position the popup next to the annotation's container.\n popup.style.left = container.style.width;\n\n container.appendChild(popup);\n },\n\n /**\n * Render the annotation's HTML element in the empty container.\n *\n * @public\n * @memberof AnnotationElement\n */\n render: function AnnotationElement_render() {\n throw new Error('Abstract method AnnotationElement.render called');\n },\n };\n\n return AnnotationElement;\n})();\n\n/**\n * @class\n * @alias LinkAnnotationElement\n */\nvar LinkAnnotationElement = (function LinkAnnotationElementClosure() {\n function LinkAnnotationElement(parameters) {\n AnnotationElement.call(this, parameters, true);\n }\n\n Util.inherit(LinkAnnotationElement, AnnotationElement, {\n /**\n * Render the link annotation's HTML element in the empty container.\n *\n * @public\n * @memberof LinkAnnotationElement\n * @returns {HTMLSectionElement}\n */\n render: function LinkAnnotationElement_render() {\n this.container.className = 'linkAnnotation';\n\n var link = document.createElement('a');\n addLinkAttributes(link, {\n url: this.data.url,\n target: (this.data.newWindow ? LinkTarget.BLANK : undefined),\n });\n\n if (!this.data.url) {\n if (this.data.action) {\n this._bindNamedAction(link, this.data.action);\n } else {\n this._bindLink(link, this.data.dest);\n }\n }\n\n this.container.appendChild(link);\n return this.container;\n },\n\n /**\n * Bind internal links to the link element.\n *\n * @private\n * @param {Object} link\n * @param {Object} destination\n * @memberof LinkAnnotationElement\n */\n _bindLink(link, destination) {\n link.href = this.linkService.getDestinationHash(destination);\n link.onclick = () => {\n if (destination) {\n this.linkService.navigateTo(destination);\n }\n return false;\n };\n if (destination) {\n link.className = 'internalLink';\n }\n },\n\n /**\n * Bind named actions to the link element.\n *\n * @private\n * @param {Object} link\n * @param {Object} action\n * @memberof LinkAnnotationElement\n */\n _bindNamedAction(link, action) {\n link.href = this.linkService.getAnchorUrl('');\n link.onclick = () => {\n this.linkService.executeNamedAction(action);\n return false;\n };\n link.className = 'internalLink';\n },\n });\n\n return LinkAnnotationElement;\n})();\n\n/**\n * @class\n * @alias TextAnnotationElement\n */\nvar TextAnnotationElement = (function TextAnnotationElementClosure() {\n function TextAnnotationElement(parameters) {\n var isRenderable = !!(parameters.data.hasPopup ||\n parameters.data.title || parameters.data.contents);\n AnnotationElement.call(this, parameters, isRenderable);\n }\n\n Util.inherit(TextAnnotationElement, AnnotationElement, {\n /**\n * Render the text annotation's HTML element in the empty container.\n *\n * @public\n * @memberof TextAnnotationElement\n * @returns {HTMLSectionElement}\n */\n render: function TextAnnotationElement_render() {\n this.container.className = 'textAnnotation';\n\n var image = document.createElement('img');\n image.style.height = this.container.style.height;\n image.style.width = this.container.style.width;\n image.src = this.imageResourcesPath + 'annotation-' +\n this.data.name.toLowerCase() + '.svg';\n image.alt = '[{{type}} Annotation]';\n image.dataset.l10nId = 'text_annotation_type';\n image.dataset.l10nArgs = JSON.stringify({ type: this.data.name, });\n\n if (!this.data.hasPopup) {\n this._createPopup(this.container, image, this.data);\n }\n\n this.container.appendChild(image);\n return this.container;\n },\n });\n\n return TextAnnotationElement;\n})();\n\n/**\n * @class\n * @alias WidgetAnnotationElement\n */\nvar WidgetAnnotationElement = (function WidgetAnnotationElementClosure() {\n function WidgetAnnotationElement(parameters, isRenderable) {\n AnnotationElement.call(this, parameters, isRenderable);\n }\n\n Util.inherit(WidgetAnnotationElement, AnnotationElement, {\n /**\n * Render the widget annotation's HTML element in the empty container.\n *\n * @public\n * @memberof WidgetAnnotationElement\n * @returns {HTMLSectionElement}\n */\n render: function WidgetAnnotationElement_render() {\n // Show only the container for unsupported field types.\n return this.container;\n },\n });\n\n return WidgetAnnotationElement;\n})();\n\n/**\n * @class\n * @alias TextWidgetAnnotationElement\n */\nvar TextWidgetAnnotationElement = (\n function TextWidgetAnnotationElementClosure() {\n var TEXT_ALIGNMENT = ['left', 'center', 'right'];\n\n function TextWidgetAnnotationElement(parameters) {\n var isRenderable = parameters.renderInteractiveForms ||\n (!parameters.data.hasAppearance && !!parameters.data.fieldValue);\n WidgetAnnotationElement.call(this, parameters, isRenderable);\n }\n\n Util.inherit(TextWidgetAnnotationElement, WidgetAnnotationElement, {\n /**\n * Render the text widget annotation's HTML element in the empty container.\n *\n * @public\n * @memberof TextWidgetAnnotationElement\n * @returns {HTMLSectionElement}\n */\n render: function TextWidgetAnnotationElement_render() {\n this.container.className = 'textWidgetAnnotation';\n\n var element = null;\n if (this.renderInteractiveForms) {\n // NOTE: We cannot set the values using `element.value` below, since it\n // prevents the AnnotationLayer rasterizer in `test/driver.js`\n // from parsing the elements correctly for the reference tests.\n if (this.data.multiLine) {\n element = document.createElement('textarea');\n element.textContent = this.data.fieldValue;\n } else {\n element = document.createElement('input');\n element.type = 'text';\n element.setAttribute('value', this.data.fieldValue);\n }\n\n element.disabled = this.data.readOnly;\n\n if (this.data.maxLen !== null) {\n element.maxLength = this.data.maxLen;\n }\n\n if (this.data.comb) {\n var fieldWidth = this.data.rect[2] - this.data.rect[0];\n var combWidth = fieldWidth / this.data.maxLen;\n\n element.classList.add('comb');\n element.style.letterSpacing = 'calc(' + combWidth + 'px - 1ch)';\n }\n } else {\n element = document.createElement('div');\n element.textContent = this.data.fieldValue;\n element.style.verticalAlign = 'middle';\n element.style.display = 'table-cell';\n\n var font = null;\n if (this.data.fontRefName) {\n font = this.page.commonObjs.getData(this.data.fontRefName);\n }\n this._setTextStyle(element, font);\n }\n\n if (this.data.textAlignment !== null) {\n element.style.textAlign = TEXT_ALIGNMENT[this.data.textAlignment];\n }\n\n this.container.appendChild(element);\n return this.container;\n },\n\n /**\n * Apply text styles to the text in the element.\n *\n * @private\n * @param {HTMLDivElement} element\n * @param {Object} font\n * @memberof TextWidgetAnnotationElement\n */\n _setTextStyle:\n function TextWidgetAnnotationElement_setTextStyle(element, font) {\n // TODO: This duplicates some of the logic in CanvasGraphics.setFont().\n var style = element.style;\n style.fontSize = this.data.fontSize + 'px';\n style.direction = (this.data.fontDirection < 0 ? 'rtl' : 'ltr');\n\n if (!font) {\n return;\n }\n\n style.fontWeight = (font.black ?\n (font.bold ? '900' : 'bold') :\n (font.bold ? 'bold' : 'normal'));\n style.fontStyle = (font.italic ? 'italic' : 'normal');\n\n // Use a reasonable default font if the font doesn't specify a fallback.\n var fontFamily = font.loadedName ? '\"' + font.loadedName + '\", ' : '';\n var fallbackName = font.fallbackName || 'Helvetica, sans-serif';\n style.fontFamily = fontFamily + fallbackName;\n },\n });\n\n return TextWidgetAnnotationElement;\n})();\n\n/**\n * @class\n * @alias CheckboxWidgetAnnotationElement\n */\nvar CheckboxWidgetAnnotationElement =\n (function CheckboxWidgetAnnotationElementClosure() {\n function CheckboxWidgetAnnotationElement(parameters) {\n WidgetAnnotationElement.call(this, parameters,\n parameters.renderInteractiveForms);\n }\n\n Util.inherit(CheckboxWidgetAnnotationElement, WidgetAnnotationElement, {\n /**\n * Render the checkbox widget annotation's HTML element\n * in the empty container.\n *\n * @public\n * @memberof CheckboxWidgetAnnotationElement\n * @returns {HTMLSectionElement}\n */\n render: function CheckboxWidgetAnnotationElement_render() {\n this.container.className = 'buttonWidgetAnnotation checkBox';\n\n var element = document.createElement('input');\n element.disabled = this.data.readOnly;\n element.type = 'checkbox';\n if (this.data.fieldValue && this.data.fieldValue !== 'Off') {\n element.setAttribute('checked', true);\n }\n\n this.container.appendChild(element);\n return this.container;\n },\n });\n\n return CheckboxWidgetAnnotationElement;\n})();\n\n/**\n * @class\n * @alias RadioButtonWidgetAnnotationElement\n */\nvar RadioButtonWidgetAnnotationElement =\n (function RadioButtonWidgetAnnotationElementClosure() {\n function RadioButtonWidgetAnnotationElement(parameters) {\n WidgetAnnotationElement.call(this, parameters,\n parameters.renderInteractiveForms);\n }\n\n Util.inherit(RadioButtonWidgetAnnotationElement, WidgetAnnotationElement, {\n /**\n * Render the radio button widget annotation's HTML element\n * in the empty container.\n *\n * @public\n * @memberof RadioButtonWidgetAnnotationElement\n * @returns {HTMLSectionElement}\n */\n render: function RadioButtonWidgetAnnotationElement_render() {\n this.container.className = 'buttonWidgetAnnotation radioButton';\n\n var element = document.createElement('input');\n element.disabled = this.data.readOnly;\n element.type = 'radio';\n element.name = this.data.fieldName;\n if (this.data.fieldValue === this.data.buttonValue) {\n element.setAttribute('checked', true);\n }\n\n this.container.appendChild(element);\n return this.container;\n },\n });\n\n return RadioButtonWidgetAnnotationElement;\n})();\n\n /**\n * @class\n * @alias ChoiceWidgetAnnotationElement\n */\nvar ChoiceWidgetAnnotationElement = (\n function ChoiceWidgetAnnotationElementClosure() {\n function ChoiceWidgetAnnotationElement(parameters) {\n WidgetAnnotationElement.call(this, parameters,\n parameters.renderInteractiveForms);\n }\n\n Util.inherit(ChoiceWidgetAnnotationElement, WidgetAnnotationElement, {\n /**\n * Render the choice widget annotation's HTML element in the empty\n * container.\n *\n * @public\n * @memberof ChoiceWidgetAnnotationElement\n * @returns {HTMLSectionElement}\n */\n render: function ChoiceWidgetAnnotationElement_render() {\n this.container.className = 'choiceWidgetAnnotation';\n\n var selectElement = document.createElement('select');\n selectElement.disabled = this.data.readOnly;\n\n if (!this.data.combo) {\n // List boxes have a size and (optionally) multiple selection.\n selectElement.size = this.data.options.length;\n\n if (this.data.multiSelect) {\n selectElement.multiple = true;\n }\n }\n\n // Insert the options into the choice field.\n for (var i = 0, ii = this.data.options.length; i < ii; i++) {\n var option = this.data.options[i];\n\n var optionElement = document.createElement('option');\n optionElement.textContent = option.displayValue;\n optionElement.value = option.exportValue;\n\n if (this.data.fieldValue.indexOf(option.displayValue) >= 0) {\n optionElement.setAttribute('selected', true);\n }\n\n selectElement.appendChild(optionElement);\n }\n\n this.container.appendChild(selectElement);\n return this.container;\n },\n });\n\n return ChoiceWidgetAnnotationElement;\n})();\n\n/**\n * @class\n * @alias PopupAnnotationElement\n */\nvar PopupAnnotationElement = (function PopupAnnotationElementClosure() {\n // Do not render popup annotations for parent elements with these types as\n // they create the popups themselves (because of custom trigger divs).\n var IGNORE_TYPES = ['Line'];\n\n function PopupAnnotationElement(parameters) {\n var isRenderable = !!(parameters.data.title || parameters.data.contents);\n AnnotationElement.call(this, parameters, isRenderable);\n }\n\n Util.inherit(PopupAnnotationElement, AnnotationElement, {\n /**\n * Render the popup annotation's HTML element in the empty container.\n *\n * @public\n * @memberof PopupAnnotationElement\n * @returns {HTMLSectionElement}\n */\n render: function PopupAnnotationElement_render() {\n this.container.className = 'popupAnnotation';\n\n if (IGNORE_TYPES.indexOf(this.data.parentType) >= 0) {\n return this.container;\n }\n\n var selector = '[data-annotation-id=\"' + this.data.parentId + '\"]';\n var parentElement = this.layer.querySelector(selector);\n if (!parentElement) {\n return this.container;\n }\n\n var popup = new PopupElement({\n container: this.container,\n trigger: parentElement,\n color: this.data.color,\n title: this.data.title,\n contents: this.data.contents,\n });\n\n // Position the popup next to the parent annotation's container.\n // PDF viewers ignore a popup annotation's rectangle.\n var parentLeft = parseFloat(parentElement.style.left);\n var parentWidth = parseFloat(parentElement.style.width);\n CustomStyle.setProp('transformOrigin', this.container,\n -(parentLeft + parentWidth) + 'px -' +\n parentElement.style.top);\n this.container.style.left = (parentLeft + parentWidth) + 'px';\n\n this.container.appendChild(popup.render());\n return this.container;\n },\n });\n\n return PopupAnnotationElement;\n})();\n\n/**\n * @class\n * @alias PopupElement\n */\nvar PopupElement = (function PopupElementClosure() {\n var BACKGROUND_ENLIGHT = 0.7;\n\n function PopupElement(parameters) {\n this.container = parameters.container;\n this.trigger = parameters.trigger;\n this.color = parameters.color;\n this.title = parameters.title;\n this.contents = parameters.contents;\n this.hideWrapper = parameters.hideWrapper || false;\n\n this.pinned = false;\n }\n\n PopupElement.prototype = /** @lends PopupElement.prototype */ {\n /**\n * Render the popup's HTML element.\n *\n * @public\n * @memberof PopupElement\n * @returns {HTMLSectionElement}\n */\n render: function PopupElement_render() {\n var wrapper = document.createElement('div');\n wrapper.className = 'popupWrapper';\n\n // For Popup annotations we hide the entire section because it contains\n // only the popup. However, for Text annotations without a separate Popup\n // annotation, we cannot hide the entire container as the image would\n // disappear too. In that special case, hiding the wrapper suffices.\n this.hideElement = (this.hideWrapper ? wrapper : this.container);\n this.hideElement.setAttribute('hidden', true);\n\n var popup = document.createElement('div');\n popup.className = 'popup';\n\n var color = this.color;\n if (color) {\n // Enlighten the color.\n var r = BACKGROUND_ENLIGHT * (255 - color[0]) + color[0];\n var g = BACKGROUND_ENLIGHT * (255 - color[1]) + color[1];\n var b = BACKGROUND_ENLIGHT * (255 - color[2]) + color[2];\n popup.style.backgroundColor = Util.makeCssRgb(r | 0, g | 0, b | 0);\n }\n\n var contents = this._formatContents(this.contents);\n var title = document.createElement('h1');\n title.textContent = this.title;\n\n // Attach the event listeners to the trigger element.\n this.trigger.addEventListener('click', this._toggle.bind(this));\n this.trigger.addEventListener('mouseover', this._show.bind(this, false));\n this.trigger.addEventListener('mouseout', this._hide.bind(this, false));\n popup.addEventListener('click', this._hide.bind(this, true));\n\n popup.appendChild(title);\n popup.appendChild(contents);\n wrapper.appendChild(popup);\n return wrapper;\n },\n\n /**\n * Format the contents of the popup by adding newlines where necessary.\n *\n * @private\n * @param {string} contents\n * @memberof PopupElement\n * @returns {HTMLParagraphElement}\n */\n _formatContents: function PopupElement_formatContents(contents) {\n var p = document.createElement('p');\n var lines = contents.split(/(?:\\r\\n?|\\n)/);\n for (var i = 0, ii = lines.length; i < ii; ++i) {\n var line = lines[i];\n p.appendChild(document.createTextNode(line));\n if (i < (ii - 1)) {\n p.appendChild(document.createElement('br'));\n }\n }\n return p;\n },\n\n /**\n * Toggle the visibility of the popup.\n *\n * @private\n * @memberof PopupElement\n */\n _toggle: function PopupElement_toggle() {\n if (this.pinned) {\n this._hide(true);\n } else {\n this._show(true);\n }\n },\n\n /**\n * Show the popup.\n *\n * @private\n * @param {boolean} pin\n * @memberof PopupElement\n */\n _show: function PopupElement_show(pin) {\n if (pin) {\n this.pinned = true;\n }\n if (this.hideElement.hasAttribute('hidden')) {\n this.hideElement.removeAttribute('hidden');\n this.container.style.zIndex += 1;\n }\n },\n\n /**\n * Hide the popup.\n *\n * @private\n * @param {boolean} unpin\n * @memberof PopupElement\n */\n _hide: function PopupElement_hide(unpin) {\n if (unpin) {\n this.pinned = false;\n }\n if (!this.hideElement.hasAttribute('hidden') && !this.pinned) {\n this.hideElement.setAttribute('hidden', true);\n this.container.style.zIndex -= 1;\n }\n },\n };\n\n return PopupElement;\n})();\n\n/**\n * @class\n * @alias LineAnnotationElement\n */\nvar LineAnnotationElement = (function LineAnnotationElementClosure() {\n var SVG_NS = 'http://www.w3.org/2000/svg';\n\n function LineAnnotationElement(parameters) {\n var isRenderable = !!(parameters.data.hasPopup ||\n parameters.data.title || parameters.data.contents);\n AnnotationElement.call(this, parameters, isRenderable,\n /* ignoreBorder = */ true);\n }\n\n Util.inherit(LineAnnotationElement, AnnotationElement, {\n /**\n * Render the line annotation's HTML element in the empty container.\n *\n * @public\n * @memberof LineAnnotationElement\n * @returns {HTMLSectionElement}\n */\n render: function LineAnnotationElement_render() {\n this.container.className = 'lineAnnotation';\n\n // Create an invisible line with the same starting and ending coordinates\n // that acts as the trigger for the popup. Only the line itself should\n // trigger the popup, not the entire container.\n var data = this.data;\n var width = data.rect[2] - data.rect[0];\n var height = data.rect[3] - data.rect[1];\n\n var svg = document.createElementNS(SVG_NS, 'svg:svg');\n svg.setAttributeNS(null, 'version', '1.1');\n svg.setAttributeNS(null, 'width', width + 'px');\n svg.setAttributeNS(null, 'height', height + 'px');\n svg.setAttributeNS(null, 'preserveAspectRatio', 'none');\n svg.setAttributeNS(null, 'viewBox', '0 0 ' + width + ' ' + height);\n\n // PDF coordinates are calculated from a bottom left origin, so transform\n // the line coordinates to a top left origin for the SVG element.\n var line = document.createElementNS(SVG_NS, 'svg:line');\n line.setAttributeNS(null, 'x1', data.rect[2] - data.lineCoordinates[0]);\n line.setAttributeNS(null, 'y1', data.rect[3] - data.lineCoordinates[1]);\n line.setAttributeNS(null, 'x2', data.rect[2] - data.lineCoordinates[2]);\n line.setAttributeNS(null, 'y2', data.rect[3] - data.lineCoordinates[3]);\n line.setAttributeNS(null, 'stroke-width', data.borderStyle.width);\n line.setAttributeNS(null, 'stroke', 'transparent');\n\n svg.appendChild(line);\n this.container.append(svg);\n\n // Create the popup ourselves so that we can bind it to the line instead\n // of to the entire container (which is the default).\n this._createPopup(this.container, line, this.data);\n\n return this.container;\n },\n });\n\n return LineAnnotationElement;\n})();\n\n/**\n * @class\n * @alias HighlightAnnotationElement\n */\nvar HighlightAnnotationElement = (\n function HighlightAnnotationElementClosure() {\n function HighlightAnnotationElement(parameters) {\n var isRenderable = !!(parameters.data.hasPopup ||\n parameters.data.title || parameters.data.contents);\n AnnotationElement.call(this, parameters, isRenderable,\n /* ignoreBorder = */ true);\n }\n\n Util.inherit(HighlightAnnotationElement, AnnotationElement, {\n /**\n * Render the highlight annotation's HTML element in the empty container.\n *\n * @public\n * @memberof HighlightAnnotationElement\n * @returns {HTMLSectionElement}\n */\n render: function HighlightAnnotationElement_render() {\n this.container.className = 'highlightAnnotation';\n\n if (!this.data.hasPopup) {\n this._createPopup(this.container, null, this.data);\n }\n return this.container;\n },\n });\n\n return HighlightAnnotationElement;\n})();\n\n/**\n * @class\n * @alias UnderlineAnnotationElement\n */\nvar UnderlineAnnotationElement = (\n function UnderlineAnnotationElementClosure() {\n function UnderlineAnnotationElement(parameters) {\n var isRenderable = !!(parameters.data.hasPopup ||\n parameters.data.title || parameters.data.contents);\n AnnotationElement.call(this, parameters, isRenderable,\n /* ignoreBorder = */ true);\n }\n\n Util.inherit(UnderlineAnnotationElement, AnnotationElement, {\n /**\n * Render the underline annotation's HTML element in the empty container.\n *\n * @public\n * @memberof UnderlineAnnotationElement\n * @returns {HTMLSectionElement}\n */\n render: function UnderlineAnnotationElement_render() {\n this.container.className = 'underlineAnnotation';\n\n if (!this.data.hasPopup) {\n this._createPopup(this.container, null, this.data);\n }\n return this.container;\n },\n });\n\n return UnderlineAnnotationElement;\n})();\n\n/**\n * @class\n * @alias SquigglyAnnotationElement\n */\nvar SquigglyAnnotationElement = (function SquigglyAnnotationElementClosure() {\n function SquigglyAnnotationElement(parameters) {\n var isRenderable = !!(parameters.data.hasPopup ||\n parameters.data.title || parameters.data.contents);\n AnnotationElement.call(this, parameters, isRenderable,\n /* ignoreBorder = */ true);\n }\n\n Util.inherit(SquigglyAnnotationElement, AnnotationElement, {\n /**\n * Render the squiggly annotation's HTML element in the empty container.\n *\n * @public\n * @memberof SquigglyAnnotationElement\n * @returns {HTMLSectionElement}\n */\n render: function SquigglyAnnotationElement_render() {\n this.container.className = 'squigglyAnnotation';\n\n if (!this.data.hasPopup) {\n this._createPopup(this.container, null, this.data);\n }\n return this.container;\n },\n });\n\n return SquigglyAnnotationElement;\n})();\n\n/**\n * @class\n * @alias StrikeOutAnnotationElement\n */\nvar StrikeOutAnnotationElement = (\n function StrikeOutAnnotationElementClosure() {\n function StrikeOutAnnotationElement(parameters) {\n var isRenderable = !!(parameters.data.hasPopup ||\n parameters.data.title || parameters.data.contents);\n AnnotationElement.call(this, parameters, isRenderable,\n /* ignoreBorder = */ true);\n }\n\n Util.inherit(StrikeOutAnnotationElement, AnnotationElement, {\n /**\n * Render the strikeout annotation's HTML element in the empty container.\n *\n * @public\n * @memberof StrikeOutAnnotationElement\n * @returns {HTMLSectionElement}\n */\n render: function StrikeOutAnnotationElement_render() {\n this.container.className = 'strikeoutAnnotation';\n\n if (!this.data.hasPopup) {\n this._createPopup(this.container, null, this.data);\n }\n return this.container;\n },\n });\n\n return StrikeOutAnnotationElement;\n})();\n\n/**\n * @class\n * @alias FileAttachmentAnnotationElement\n */\nvar FileAttachmentAnnotationElement = (\n function FileAttachmentAnnotationElementClosure() {\n function FileAttachmentAnnotationElement(parameters) {\n AnnotationElement.call(this, parameters, true);\n\n var file = this.data.file;\n this.filename = getFilenameFromUrl(file.filename);\n this.content = file.content;\n\n this.linkService.onFileAttachmentAnnotation({\n id: stringToPDFString(file.filename),\n filename: file.filename,\n content: file.content,\n });\n }\n\n Util.inherit(FileAttachmentAnnotationElement, AnnotationElement, {\n /**\n * Render the file attachment annotation's HTML element in the empty\n * container.\n *\n * @public\n * @memberof FileAttachmentAnnotationElement\n * @returns {HTMLSectionElement}\n */\n render: function FileAttachmentAnnotationElement_render() {\n this.container.className = 'fileAttachmentAnnotation';\n\n var trigger = document.createElement('div');\n trigger.style.height = this.container.style.height;\n trigger.style.width = this.container.style.width;\n trigger.addEventListener('dblclick', this._download.bind(this));\n\n if (!this.data.hasPopup && (this.data.title || this.data.contents)) {\n this._createPopup(this.container, trigger, this.data);\n }\n\n this.container.appendChild(trigger);\n return this.container;\n },\n\n /**\n * Download the file attachment associated with this annotation.\n *\n * @private\n * @memberof FileAttachmentAnnotationElement\n */\n _download: function FileAttachmentAnnotationElement_download() {\n if (!this.downloadManager) {\n warn('Download cannot be started due to unavailable download manager');\n return;\n }\n this.downloadManager.downloadData(this.content, this.filename, '');\n },\n });\n\n return FileAttachmentAnnotationElement;\n})();\n\n/**\n * @typedef {Object} AnnotationLayerParameters\n * @property {PageViewport} viewport\n * @property {HTMLDivElement} div\n * @property {Array} annotations\n * @property {PDFPage} page\n * @property {IPDFLinkService} linkService\n * @property {string} imageResourcesPath\n * @property {boolean} renderInteractiveForms\n */\n\n/**\n * @class\n * @alias AnnotationLayer\n */\nvar AnnotationLayer = (function AnnotationLayerClosure() {\n return {\n /**\n * Render a new annotation layer with all annotation elements.\n *\n * @public\n * @param {AnnotationLayerParameters} parameters\n * @memberof AnnotationLayer\n */\n render: function AnnotationLayer_render(parameters) {\n var annotationElementFactory = new AnnotationElementFactory();\n\n for (var i = 0, ii = parameters.annotations.length; i < ii; i++) {\n var data = parameters.annotations[i];\n if (!data) {\n continue;\n }\n var element = annotationElementFactory.create({\n data,\n layer: parameters.div,\n page: parameters.page,\n viewport: parameters.viewport,\n linkService: parameters.linkService,\n downloadManager: parameters.downloadManager,\n imageResourcesPath: parameters.imageResourcesPath ||\n getDefaultSetting('imageResourcesPath'),\n renderInteractiveForms: parameters.renderInteractiveForms || false,\n });\n if (element.isRenderable) {\n parameters.div.appendChild(element.render());\n }\n }\n },\n\n /**\n * Update the annotation elements on existing annotation layer.\n *\n * @public\n * @param {AnnotationLayerParameters} parameters\n * @memberof AnnotationLayer\n */\n update: function AnnotationLayer_update(parameters) {\n for (var i = 0, ii = parameters.annotations.length; i < ii; i++) {\n var data = parameters.annotations[i];\n var element = parameters.div.querySelector(\n '[data-annotation-id=\"' + data.id + '\"]');\n if (element) {\n CustomStyle.setProp('transform', element,\n 'matrix(' + parameters.viewport.transform.join(',') + ')');\n }\n }\n parameters.div.removeAttribute('hidden');\n },\n };\n})();\n\nexport {\n AnnotationLayer,\n};\n\n\n\n// WEBPACK FOOTER //\n// src/display/annotation_layer.js","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* globals __non_webpack_require__ */\n\nimport {\n createObjectURL, FONT_IDENTITY_MATRIX, IDENTITY_MATRIX, ImageKind, isArray,\n isNodeJS, isNum, OPS, Util, warn\n} from '../shared/util';\n\nvar SVGGraphics = function() {\n throw new Error('Not implemented: SVGGraphics');\n};\n\nif (typeof PDFJSDev === 'undefined' ||\n PDFJSDev.test('GENERIC || SINGLE_FILE')) {\n\nvar SVG_DEFAULTS = {\n fontStyle: 'normal',\n fontWeight: 'normal',\n fillColor: '#000000',\n};\n\nvar convertImgDataToPng = (function convertImgDataToPngClosure() {\n var PNG_HEADER =\n new Uint8Array([0x89, 0x50, 0x4e, 0x47, 0x0d, 0x0a, 0x1a, 0x0a]);\n\n var CHUNK_WRAPPER_SIZE = 12;\n\n var crcTable = new Int32Array(256);\n for (var i = 0; i < 256; i++) {\n var c = i;\n for (var h = 0; h < 8; h++) {\n if (c & 1) {\n c = 0xedB88320 ^ ((c >> 1) & 0x7fffffff);\n } else {\n c = (c >> 1) & 0x7fffffff;\n }\n }\n crcTable[i] = c;\n }\n\n function crc32(data, start, end) {\n var crc = -1;\n for (var i = start; i < end; i++) {\n var a = (crc ^ data[i]) & 0xff;\n var b = crcTable[a];\n crc = (crc >>> 8) ^ b;\n }\n return crc ^ -1;\n }\n\n function writePngChunk(type, body, data, offset) {\n var p = offset;\n var len = body.length;\n\n data[p] = len >> 24 & 0xff;\n data[p + 1] = len >> 16 & 0xff;\n data[p + 2] = len >> 8 & 0xff;\n data[p + 3] = len & 0xff;\n p += 4;\n\n data[p] = type.charCodeAt(0) & 0xff;\n data[p + 1] = type.charCodeAt(1) & 0xff;\n data[p + 2] = type.charCodeAt(2) & 0xff;\n data[p + 3] = type.charCodeAt(3) & 0xff;\n p += 4;\n\n data.set(body, p);\n p += body.length;\n\n var crc = crc32(data, offset + 4, p);\n\n data[p] = crc >> 24 & 0xff;\n data[p + 1] = crc >> 16 & 0xff;\n data[p + 2] = crc >> 8 & 0xff;\n data[p + 3] = crc & 0xff;\n }\n\n function adler32(data, start, end) {\n var a = 1;\n var b = 0;\n for (var i = start; i < end; ++i) {\n a = (a + (data[i] & 0xff)) % 65521;\n b = (b + a) % 65521;\n }\n return (b << 16) | a;\n }\n\n /**\n * @param {Uint8Array} literals The input data.\n * @returns {Uint8Array} The DEFLATE-compressed data stream in zlib format.\n * This is the required format for compressed streams in the PNG format:\n * http://www.libpng.org/pub/png/spec/1.2/PNG-Compression.html\n */\n function deflateSync(literals) {\n if (!isNodeJS()) {\n // zlib is certainly not available outside of Node.js. We can either use\n // the pako library for client-side DEFLATE compression, or use the canvas\n // API of the browser to obtain a more optimal PNG file.\n return deflateSyncUncompressed(literals);\n }\n try {\n // NOTE: This implementation is far from perfect, but already way better\n // than not applying any compression.\n //\n // A better algorithm will try to choose a good predictor/filter and\n // then choose a suitable zlib compression strategy (e.g. 3,Z_RLE).\n //\n // Node v0.11.12 zlib.deflateSync is introduced (and returns a Buffer).\n // Node v3.0.0 Buffer inherits from Uint8Array.\n // Node v8.0.0 zlib.deflateSync accepts Uint8Array as input.\n var input;\n // eslint-disable-next-line no-undef\n if (parseInt(process.versions.node) >= 8) {\n input = literals;\n } else {\n // eslint-disable-next-line no-undef\n input = new Buffer(literals);\n }\n var output = __non_webpack_require__('zlib')\n .deflateSync(input, { level: 9, });\n return output instanceof Uint8Array ? output : new Uint8Array(output);\n } catch (e) {\n warn('Not compressing PNG because zlib.deflateSync is unavailable: ' + e);\n }\n\n return deflateSyncUncompressed(literals);\n }\n\n // An implementation of DEFLATE with compression level 0 (Z_NO_COMPRESSION).\n function deflateSyncUncompressed(literals) {\n var len = literals.length;\n var maxBlockLength = 0xFFFF;\n\n var deflateBlocks = Math.ceil(len / maxBlockLength);\n var idat = new Uint8Array(2 + len + deflateBlocks * 5 + 4);\n var pi = 0;\n idat[pi++] = 0x78; // compression method and flags\n idat[pi++] = 0x9c; // flags\n\n var pos = 0;\n while (len > maxBlockLength) {\n // writing non-final DEFLATE blocks type 0 and length of 65535\n idat[pi++] = 0x00;\n idat[pi++] = 0xff;\n idat[pi++] = 0xff;\n idat[pi++] = 0x00;\n idat[pi++] = 0x00;\n idat.set(literals.subarray(pos, pos + maxBlockLength), pi);\n pi += maxBlockLength;\n pos += maxBlockLength;\n len -= maxBlockLength;\n }\n\n // writing non-final DEFLATE blocks type 0\n idat[pi++] = 0x01;\n idat[pi++] = len & 0xff;\n idat[pi++] = len >> 8 & 0xff;\n idat[pi++] = (~len & 0xffff) & 0xff;\n idat[pi++] = (~len & 0xffff) >> 8 & 0xff;\n idat.set(literals.subarray(pos), pi);\n pi += literals.length - pos;\n\n var adler = adler32(literals, 0, literals.length); // checksum\n idat[pi++] = adler >> 24 & 0xff;\n idat[pi++] = adler >> 16 & 0xff;\n idat[pi++] = adler >> 8 & 0xff;\n idat[pi++] = adler & 0xff;\n return idat;\n }\n\n function encode(imgData, kind, forceDataSchema) {\n var width = imgData.width;\n var height = imgData.height;\n var bitDepth, colorType, lineSize;\n var bytes = imgData.data;\n\n switch (kind) {\n case ImageKind.GRAYSCALE_1BPP:\n colorType = 0;\n bitDepth = 1;\n lineSize = (width + 7) >> 3;\n break;\n case ImageKind.RGB_24BPP:\n colorType = 2;\n bitDepth = 8;\n lineSize = width * 3;\n break;\n case ImageKind.RGBA_32BPP:\n colorType = 6;\n bitDepth = 8;\n lineSize = width * 4;\n break;\n default:\n throw new Error('invalid format');\n }\n\n // prefix every row with predictor 0\n var literals = new Uint8Array((1 + lineSize) * height);\n var offsetLiterals = 0, offsetBytes = 0;\n var y, i;\n for (y = 0; y < height; ++y) {\n literals[offsetLiterals++] = 0; // no prediction\n literals.set(bytes.subarray(offsetBytes, offsetBytes + lineSize),\n offsetLiterals);\n offsetBytes += lineSize;\n offsetLiterals += lineSize;\n }\n\n if (kind === ImageKind.GRAYSCALE_1BPP) {\n // inverting for B/W\n offsetLiterals = 0;\n for (y = 0; y < height; y++) {\n offsetLiterals++; // skipping predictor\n for (i = 0; i < lineSize; i++) {\n literals[offsetLiterals++] ^= 0xFF;\n }\n }\n }\n\n var ihdr = new Uint8Array([\n width >> 24 & 0xff,\n width >> 16 & 0xff,\n width >> 8 & 0xff,\n width & 0xff,\n height >> 24 & 0xff,\n height >> 16 & 0xff,\n height >> 8 & 0xff,\n height & 0xff,\n bitDepth, // bit depth\n colorType, // color type\n 0x00, // compression method\n 0x00, // filter method\n 0x00 // interlace method\n ]);\n\n var idat = deflateSync(literals);\n\n // PNG will consists: header, IHDR+data, IDAT+data, and IEND.\n var pngLength = PNG_HEADER.length + (CHUNK_WRAPPER_SIZE * 3) +\n ihdr.length + idat.length;\n var data = new Uint8Array(pngLength);\n var offset = 0;\n data.set(PNG_HEADER, offset);\n offset += PNG_HEADER.length;\n writePngChunk('IHDR', ihdr, data, offset);\n offset += CHUNK_WRAPPER_SIZE + ihdr.length;\n writePngChunk('IDATA', idat, data, offset);\n offset += CHUNK_WRAPPER_SIZE + idat.length;\n writePngChunk('IEND', new Uint8Array(0), data, offset);\n\n return createObjectURL(data, 'image/png', forceDataSchema);\n }\n\n return function convertImgDataToPng(imgData, forceDataSchema) {\n var kind = (imgData.kind === undefined ?\n ImageKind.GRAYSCALE_1BPP : imgData.kind);\n return encode(imgData, kind, forceDataSchema);\n };\n})();\n\nvar SVGExtraState = (function SVGExtraStateClosure() {\n function SVGExtraState() {\n this.fontSizeScale = 1;\n this.fontWeight = SVG_DEFAULTS.fontWeight;\n this.fontSize = 0;\n\n this.textMatrix = IDENTITY_MATRIX;\n this.fontMatrix = FONT_IDENTITY_MATRIX;\n this.leading = 0;\n\n // Current point (in user coordinates)\n this.x = 0;\n this.y = 0;\n\n // Start of text line (in text coordinates)\n this.lineX = 0;\n this.lineY = 0;\n\n // Character and word spacing\n this.charSpacing = 0;\n this.wordSpacing = 0;\n this.textHScale = 1;\n this.textRise = 0;\n\n // Default foreground and background colors\n this.fillColor = SVG_DEFAULTS.fillColor;\n this.strokeColor = '#000000';\n\n this.fillAlpha = 1;\n this.strokeAlpha = 1;\n this.lineWidth = 1;\n this.lineJoin = '';\n this.lineCap = '';\n this.miterLimit = 0;\n\n this.dashArray = [];\n this.dashPhase = 0;\n\n this.dependencies = [];\n\n // Clipping\n this.activeClipUrl = null;\n this.clipGroup = null;\n\n this.maskId = '';\n }\n\n SVGExtraState.prototype = {\n clone: function SVGExtraState_clone() {\n return Object.create(this);\n },\n setCurrentPoint: function SVGExtraState_setCurrentPoint(x, y) {\n this.x = x;\n this.y = y;\n },\n };\n return SVGExtraState;\n})();\n\nSVGGraphics = (function SVGGraphicsClosure() {\n function opListToTree(opList) {\n var opTree = [];\n var tmp = [];\n var opListLen = opList.length;\n\n for (var x = 0; x < opListLen; x++) {\n if (opList[x].fn === 'save') {\n opTree.push({ 'fnId': 92, 'fn': 'group', 'items': [], });\n tmp.push(opTree);\n opTree = opTree[opTree.length - 1].items;\n continue;\n }\n\n if (opList[x].fn === 'restore') {\n opTree = tmp.pop();\n } else {\n opTree.push(opList[x]);\n }\n }\n return opTree;\n }\n\n /**\n * Formats float number.\n * @param value {number} number to format.\n * @returns {string}\n */\n function pf(value) {\n if (value === (value | 0)) { // integer number\n return value.toString();\n }\n var s = value.toFixed(10);\n var i = s.length - 1;\n if (s[i] !== '0') {\n return s;\n }\n // removing trailing zeros\n do {\n i--;\n } while (s[i] === '0');\n return s.substr(0, s[i] === '.' ? i : i + 1);\n }\n\n /**\n * Formats transform matrix. The standard rotation, scale and translate\n * matrices are replaced by their shorter forms, and for identity matrix\n * returns empty string to save the memory.\n * @param m {Array} matrix to format.\n * @returns {string}\n */\n function pm(m) {\n if (m[4] === 0 && m[5] === 0) {\n if (m[1] === 0 && m[2] === 0) {\n if (m[0] === 1 && m[3] === 1) {\n return '';\n }\n return 'scale(' + pf(m[0]) + ' ' + pf(m[3]) + ')';\n }\n if (m[0] === m[3] && m[1] === -m[2]) {\n var a = Math.acos(m[0]) * 180 / Math.PI;\n return 'rotate(' + pf(a) + ')';\n }\n } else {\n if (m[0] === 1 && m[1] === 0 && m[2] === 0 && m[3] === 1) {\n return 'translate(' + pf(m[4]) + ' ' + pf(m[5]) + ')';\n }\n }\n return 'matrix(' + pf(m[0]) + ' ' + pf(m[1]) + ' ' + pf(m[2]) + ' ' +\n pf(m[3]) + ' ' + pf(m[4]) + ' ' + pf(m[5]) + ')';\n }\n\n function SVGGraphics(commonObjs, objs, forceDataSchema) {\n this.current = new SVGExtraState();\n this.transformMatrix = IDENTITY_MATRIX; // Graphics state matrix\n this.transformStack = [];\n this.extraStack = [];\n this.commonObjs = commonObjs;\n this.objs = objs;\n this.pendingClip = null;\n this.pendingEOFill = false;\n\n this.embedFonts = false;\n this.embeddedFonts = Object.create(null);\n this.cssStyle = null;\n this.forceDataSchema = !!forceDataSchema;\n }\n\n var NS = 'http://www.w3.org/2000/svg';\n var XML_NS = 'http://www.w3.org/XML/1998/namespace';\n var XLINK_NS = 'http://www.w3.org/1999/xlink';\n var LINE_CAP_STYLES = ['butt', 'round', 'square'];\n var LINE_JOIN_STYLES = ['miter', 'round', 'bevel'];\n var clipCount = 0;\n var maskCount = 0;\n\n SVGGraphics.prototype = {\n save: function SVGGraphics_save() {\n this.transformStack.push(this.transformMatrix);\n var old = this.current;\n this.extraStack.push(old);\n this.current = old.clone();\n },\n\n restore: function SVGGraphics_restore() {\n this.transformMatrix = this.transformStack.pop();\n this.current = this.extraStack.pop();\n\n this.pendingClip = null;\n this.tgrp = null;\n },\n\n group: function SVGGraphics_group(items) {\n this.save();\n this.executeOpTree(items);\n this.restore();\n },\n\n loadDependencies: function SVGGraphics_loadDependencies(operatorList) {\n var fnArray = operatorList.fnArray;\n var fnArrayLen = fnArray.length;\n var argsArray = operatorList.argsArray;\n\n for (var i = 0; i < fnArrayLen; i++) {\n if (OPS.dependency === fnArray[i]) {\n var deps = argsArray[i];\n for (var n = 0, nn = deps.length; n < nn; n++) {\n var obj = deps[n];\n var common = obj.substring(0, 2) === 'g_';\n var promise;\n if (common) {\n promise = new Promise((resolve) => {\n this.commonObjs.get(obj, resolve);\n });\n } else {\n promise = new Promise((resolve) => {\n this.objs.get(obj, resolve);\n });\n }\n this.current.dependencies.push(promise);\n }\n }\n }\n return Promise.all(this.current.dependencies);\n },\n\n transform: function SVGGraphics_transform(a, b, c, d, e, f) {\n var transformMatrix = [a, b, c, d, e, f];\n this.transformMatrix = Util.transform(this.transformMatrix,\n transformMatrix);\n this.tgrp = null;\n },\n\n getSVG: function SVGGraphics_getSVG(operatorList, viewport) {\n this.viewport = viewport;\n\n var svgElement = this._initialize(viewport);\n return this.loadDependencies(operatorList).then(() => {\n this.transformMatrix = IDENTITY_MATRIX;\n var opTree = this.convertOpList(operatorList);\n this.executeOpTree(opTree);\n return svgElement;\n });\n },\n\n convertOpList: function SVGGraphics_convertOpList(operatorList) {\n var argsArray = operatorList.argsArray;\n var fnArray = operatorList.fnArray;\n var fnArrayLen = fnArray.length;\n var REVOPS = [];\n var opList = [];\n\n for (var op in OPS) {\n REVOPS[OPS[op]] = op;\n }\n\n for (var x = 0; x < fnArrayLen; x++) {\n var fnId = fnArray[x];\n opList.push({\n 'fnId': fnId,\n 'fn': REVOPS[fnId],\n 'args': argsArray[x],\n });\n }\n return opListToTree(opList);\n },\n\n executeOpTree: function SVGGraphics_executeOpTree(opTree) {\n var opTreeLen = opTree.length;\n for (var x = 0; x < opTreeLen; x++) {\n var fn = opTree[x].fn;\n var fnId = opTree[x].fnId;\n var args = opTree[x].args;\n\n switch (fnId | 0) {\n case OPS.beginText:\n this.beginText();\n break;\n case OPS.setLeading:\n this.setLeading(args);\n break;\n case OPS.setLeadingMoveText:\n this.setLeadingMoveText(args[0], args[1]);\n break;\n case OPS.setFont:\n this.setFont(args);\n break;\n case OPS.showText:\n this.showText(args[0]);\n break;\n case OPS.showSpacedText:\n this.showText(args[0]);\n break;\n case OPS.endText:\n this.endText();\n break;\n case OPS.moveText:\n this.moveText(args[0], args[1]);\n break;\n case OPS.setCharSpacing:\n this.setCharSpacing(args[0]);\n break;\n case OPS.setWordSpacing:\n this.setWordSpacing(args[0]);\n break;\n case OPS.setHScale:\n this.setHScale(args[0]);\n break;\n case OPS.setTextMatrix:\n this.setTextMatrix(args[0], args[1], args[2],\n args[3], args[4], args[5]);\n break;\n case OPS.setLineWidth:\n this.setLineWidth(args[0]);\n break;\n case OPS.setLineJoin:\n this.setLineJoin(args[0]);\n break;\n case OPS.setLineCap:\n this.setLineCap(args[0]);\n break;\n case OPS.setMiterLimit:\n this.setMiterLimit(args[0]);\n break;\n case OPS.setFillRGBColor:\n this.setFillRGBColor(args[0], args[1], args[2]);\n break;\n case OPS.setStrokeRGBColor:\n this.setStrokeRGBColor(args[0], args[1], args[2]);\n break;\n case OPS.setDash:\n this.setDash(args[0], args[1]);\n break;\n case OPS.setGState:\n this.setGState(args[0]);\n break;\n case OPS.fill:\n this.fill();\n break;\n case OPS.eoFill:\n this.eoFill();\n break;\n case OPS.stroke:\n this.stroke();\n break;\n case OPS.fillStroke:\n this.fillStroke();\n break;\n case OPS.eoFillStroke:\n this.eoFillStroke();\n break;\n case OPS.clip:\n this.clip('nonzero');\n break;\n case OPS.eoClip:\n this.clip('evenodd');\n break;\n case OPS.paintSolidColorImageMask:\n this.paintSolidColorImageMask();\n break;\n case OPS.paintJpegXObject:\n this.paintJpegXObject(args[0], args[1], args[2]);\n break;\n case OPS.paintImageXObject:\n this.paintImageXObject(args[0]);\n break;\n case OPS.paintInlineImageXObject:\n this.paintInlineImageXObject(args[0]);\n break;\n case OPS.paintImageMaskXObject:\n this.paintImageMaskXObject(args[0]);\n break;\n case OPS.paintFormXObjectBegin:\n this.paintFormXObjectBegin(args[0], args[1]);\n break;\n case OPS.paintFormXObjectEnd:\n this.paintFormXObjectEnd();\n break;\n case OPS.closePath:\n this.closePath();\n break;\n case OPS.closeStroke:\n this.closeStroke();\n break;\n case OPS.closeFillStroke:\n this.closeFillStroke();\n break;\n case OPS.nextLine:\n this.nextLine();\n break;\n case OPS.transform:\n this.transform(args[0], args[1], args[2], args[3],\n args[4], args[5]);\n break;\n case OPS.constructPath:\n this.constructPath(args[0], args[1]);\n break;\n case OPS.endPath:\n this.endPath();\n break;\n case 92:\n this.group(opTree[x].items);\n break;\n default:\n warn('Unimplemented operator ' + fn);\n break;\n }\n }\n },\n\n setWordSpacing: function SVGGraphics_setWordSpacing(wordSpacing) {\n this.current.wordSpacing = wordSpacing;\n },\n\n setCharSpacing: function SVGGraphics_setCharSpacing(charSpacing) {\n this.current.charSpacing = charSpacing;\n },\n\n nextLine: function SVGGraphics_nextLine() {\n this.moveText(0, this.current.leading);\n },\n\n setTextMatrix: function SVGGraphics_setTextMatrix(a, b, c, d, e, f) {\n var current = this.current;\n this.current.textMatrix = this.current.lineMatrix = [a, b, c, d, e, f];\n\n this.current.x = this.current.lineX = 0;\n this.current.y = this.current.lineY = 0;\n\n current.xcoords = [];\n current.tspan = document.createElementNS(NS, 'svg:tspan');\n current.tspan.setAttributeNS(null, 'font-family', current.fontFamily);\n current.tspan.setAttributeNS(null, 'font-size',\n pf(current.fontSize) + 'px');\n current.tspan.setAttributeNS(null, 'y', pf(-current.y));\n\n current.txtElement = document.createElementNS(NS, 'svg:text');\n current.txtElement.appendChild(current.tspan);\n },\n\n beginText: function SVGGraphics_beginText() {\n this.current.x = this.current.lineX = 0;\n this.current.y = this.current.lineY = 0;\n this.current.textMatrix = IDENTITY_MATRIX;\n this.current.lineMatrix = IDENTITY_MATRIX;\n this.current.tspan = document.createElementNS(NS, 'svg:tspan');\n this.current.txtElement = document.createElementNS(NS, 'svg:text');\n this.current.txtgrp = document.createElementNS(NS, 'svg:g');\n this.current.xcoords = [];\n },\n\n moveText: function SVGGraphics_moveText(x, y) {\n var current = this.current;\n this.current.x = this.current.lineX += x;\n this.current.y = this.current.lineY += y;\n\n current.xcoords = [];\n current.tspan = document.createElementNS(NS, 'svg:tspan');\n current.tspan.setAttributeNS(null, 'font-family', current.fontFamily);\n current.tspan.setAttributeNS(null, 'font-size',\n pf(current.fontSize) + 'px');\n current.tspan.setAttributeNS(null, 'y', pf(-current.y));\n },\n\n showText: function SVGGraphics_showText(glyphs) {\n var current = this.current;\n var font = current.font;\n var fontSize = current.fontSize;\n\n if (fontSize === 0) {\n return;\n }\n\n var charSpacing = current.charSpacing;\n var wordSpacing = current.wordSpacing;\n var fontDirection = current.fontDirection;\n var textHScale = current.textHScale * fontDirection;\n var glyphsLength = glyphs.length;\n var vertical = font.vertical;\n var widthAdvanceScale = fontSize * current.fontMatrix[0];\n\n var x = 0, i;\n for (i = 0; i < glyphsLength; ++i) {\n var glyph = glyphs[i];\n if (glyph === null) {\n // word break\n x += fontDirection * wordSpacing;\n continue;\n } else if (isNum(glyph)) {\n x += -glyph * fontSize * 0.001;\n continue;\n }\n current.xcoords.push(current.x + x * textHScale);\n\n var width = glyph.width;\n var character = glyph.fontChar;\n var spacing = (glyph.isSpace ? wordSpacing : 0) + charSpacing;\n var charWidth = width * widthAdvanceScale + spacing * fontDirection;\n x += charWidth;\n\n current.tspan.textContent += character;\n }\n if (vertical) {\n current.y -= x * textHScale;\n } else {\n current.x += x * textHScale;\n }\n\n current.tspan.setAttributeNS(null, 'x',\n current.xcoords.map(pf).join(' '));\n current.tspan.setAttributeNS(null, 'y', pf(-current.y));\n current.tspan.setAttributeNS(null, 'font-family', current.fontFamily);\n current.tspan.setAttributeNS(null, 'font-size',\n pf(current.fontSize) + 'px');\n if (current.fontStyle !== SVG_DEFAULTS.fontStyle) {\n current.tspan.setAttributeNS(null, 'font-style', current.fontStyle);\n }\n if (current.fontWeight !== SVG_DEFAULTS.fontWeight) {\n current.tspan.setAttributeNS(null, 'font-weight', current.fontWeight);\n }\n if (current.fillColor !== SVG_DEFAULTS.fillColor) {\n current.tspan.setAttributeNS(null, 'fill', current.fillColor);\n }\n\n current.txtElement.setAttributeNS(null, 'transform',\n pm(current.textMatrix) +\n ' scale(1, -1)');\n current.txtElement.setAttributeNS(XML_NS, 'xml:space', 'preserve');\n current.txtElement.appendChild(current.tspan);\n current.txtgrp.appendChild(current.txtElement);\n\n this._ensureTransformGroup().appendChild(current.txtElement);\n },\n\n setLeadingMoveText: function SVGGraphics_setLeadingMoveText(x, y) {\n this.setLeading(-y);\n this.moveText(x, y);\n },\n\n addFontStyle: function SVGGraphics_addFontStyle(fontObj) {\n if (!this.cssStyle) {\n this.cssStyle = document.createElementNS(NS, 'svg:style');\n this.cssStyle.setAttributeNS(null, 'type', 'text/css');\n this.defs.appendChild(this.cssStyle);\n }\n\n var url = createObjectURL(fontObj.data, fontObj.mimetype,\n this.forceDataSchema);\n this.cssStyle.textContent +=\n '@font-face { font-family: \"' + fontObj.loadedName + '\";' +\n ' src: url(' + url + '); }\\n';\n },\n\n setFont: function SVGGraphics_setFont(details) {\n var current = this.current;\n var fontObj = this.commonObjs.get(details[0]);\n var size = details[1];\n this.current.font = fontObj;\n\n if (this.embedFonts && fontObj.data &&\n !this.embeddedFonts[fontObj.loadedName]) {\n this.addFontStyle(fontObj);\n this.embeddedFonts[fontObj.loadedName] = fontObj;\n }\n\n current.fontMatrix = (fontObj.fontMatrix ?\n fontObj.fontMatrix : FONT_IDENTITY_MATRIX);\n\n var bold = fontObj.black ? (fontObj.bold ? 'bolder' : 'bold') :\n (fontObj.bold ? 'bold' : 'normal');\n var italic = fontObj.italic ? 'italic' : 'normal';\n\n if (size < 0) {\n size = -size;\n current.fontDirection = -1;\n } else {\n current.fontDirection = 1;\n }\n current.fontSize = size;\n current.fontFamily = fontObj.loadedName;\n current.fontWeight = bold;\n current.fontStyle = italic;\n\n current.tspan = document.createElementNS(NS, 'svg:tspan');\n current.tspan.setAttributeNS(null, 'y', pf(-current.y));\n current.xcoords = [];\n },\n\n endText: function SVGGraphics_endText() {},\n\n // Path properties\n setLineWidth: function SVGGraphics_setLineWidth(width) {\n this.current.lineWidth = width;\n },\n setLineCap: function SVGGraphics_setLineCap(style) {\n this.current.lineCap = LINE_CAP_STYLES[style];\n },\n setLineJoin: function SVGGraphics_setLineJoin(style) {\n this.current.lineJoin = LINE_JOIN_STYLES[style];\n },\n setMiterLimit: function SVGGraphics_setMiterLimit(limit) {\n this.current.miterLimit = limit;\n },\n setStrokeAlpha: function SVGGraphics_setStrokeAlpha(strokeAlpha) {\n this.current.strokeAlpha = strokeAlpha;\n },\n setStrokeRGBColor: function SVGGraphics_setStrokeRGBColor(r, g, b) {\n var color = Util.makeCssRgb(r, g, b);\n this.current.strokeColor = color;\n },\n setFillAlpha: function SVGGraphics_setFillAlpha(fillAlpha) {\n this.current.fillAlpha = fillAlpha;\n },\n setFillRGBColor: function SVGGraphics_setFillRGBColor(r, g, b) {\n var color = Util.makeCssRgb(r, g, b);\n this.current.fillColor = color;\n this.current.tspan = document.createElementNS(NS, 'svg:tspan');\n this.current.xcoords = [];\n },\n setDash: function SVGGraphics_setDash(dashArray, dashPhase) {\n this.current.dashArray = dashArray;\n this.current.dashPhase = dashPhase;\n },\n\n constructPath: function SVGGraphics_constructPath(ops, args) {\n var current = this.current;\n var x = current.x, y = current.y;\n current.path = document.createElementNS(NS, 'svg:path');\n var d = [];\n var opLength = ops.length;\n\n for (var i = 0, j = 0; i < opLength; i++) {\n switch (ops[i] | 0) {\n case OPS.rectangle:\n x = args[j++];\n y = args[j++];\n var width = args[j++];\n var height = args[j++];\n var xw = x + width;\n var yh = y + height;\n d.push('M', pf(x), pf(y), 'L', pf(xw), pf(y), 'L', pf(xw), pf(yh),\n 'L', pf(x), pf(yh), 'Z');\n break;\n case OPS.moveTo:\n x = args[j++];\n y = args[j++];\n d.push('M', pf(x), pf(y));\n break;\n case OPS.lineTo:\n x = args[j++];\n y = args[j++];\n d.push('L', pf(x), pf(y));\n break;\n case OPS.curveTo:\n x = args[j + 4];\n y = args[j + 5];\n d.push('C', pf(args[j]), pf(args[j + 1]), pf(args[j + 2]),\n pf(args[j + 3]), pf(x), pf(y));\n j += 6;\n break;\n case OPS.curveTo2:\n x = args[j + 2];\n y = args[j + 3];\n d.push('C', pf(x), pf(y), pf(args[j]), pf(args[j + 1]),\n pf(args[j + 2]), pf(args[j + 3]));\n j += 4;\n break;\n case OPS.curveTo3:\n x = args[j + 2];\n y = args[j + 3];\n d.push('C', pf(args[j]), pf(args[j + 1]), pf(x), pf(y),\n pf(x), pf(y));\n j += 4;\n break;\n case OPS.closePath:\n d.push('Z');\n break;\n }\n }\n current.path.setAttributeNS(null, 'd', d.join(' '));\n current.path.setAttributeNS(null, 'fill', 'none');\n\n this._ensureTransformGroup().appendChild(current.path);\n\n // Saving a reference in current.element so that it can be addressed\n // in 'fill' and 'stroke'\n current.element = current.path;\n current.setCurrentPoint(x, y);\n },\n\n endPath: function SVGGraphics_endPath() {\n if (!this.pendingClip) {\n return;\n }\n var current = this.current;\n // Add current path to clipping path\n var clipId = 'clippath' + clipCount;\n clipCount++;\n var clipPath = document.createElementNS(NS, 'svg:clipPath');\n clipPath.setAttributeNS(null, 'id', clipId);\n clipPath.setAttributeNS(null, 'transform', pm(this.transformMatrix));\n var clipElement = current.element.cloneNode();\n if (this.pendingClip === 'evenodd') {\n clipElement.setAttributeNS(null, 'clip-rule', 'evenodd');\n } else {\n clipElement.setAttributeNS(null, 'clip-rule', 'nonzero');\n }\n this.pendingClip = null;\n clipPath.appendChild(clipElement);\n this.defs.appendChild(clipPath);\n\n if (current.activeClipUrl) {\n // The previous clipping group content can go out of order -- resetting\n // cached clipGroups.\n current.clipGroup = null;\n this.extraStack.forEach(function (prev) {\n prev.clipGroup = null;\n });\n }\n current.activeClipUrl = 'url(#' + clipId + ')';\n\n this.tgrp = null;\n },\n\n clip: function SVGGraphics_clip(type) {\n this.pendingClip = type;\n },\n\n closePath: function SVGGraphics_closePath() {\n var current = this.current;\n var d = current.path.getAttributeNS(null, 'd');\n d += 'Z';\n current.path.setAttributeNS(null, 'd', d);\n },\n\n setLeading: function SVGGraphics_setLeading(leading) {\n this.current.leading = -leading;\n },\n\n setTextRise: function SVGGraphics_setTextRise(textRise) {\n this.current.textRise = textRise;\n },\n\n setHScale: function SVGGraphics_setHScale(scale) {\n this.current.textHScale = scale / 100;\n },\n\n setGState: function SVGGraphics_setGState(states) {\n for (var i = 0, ii = states.length; i < ii; i++) {\n var state = states[i];\n var key = state[0];\n var value = state[1];\n\n switch (key) {\n case 'LW':\n this.setLineWidth(value);\n break;\n case 'LC':\n this.setLineCap(value);\n break;\n case 'LJ':\n this.setLineJoin(value);\n break;\n case 'ML':\n this.setMiterLimit(value);\n break;\n case 'D':\n this.setDash(value[0], value[1]);\n break;\n case 'Font':\n this.setFont(value);\n break;\n case 'CA':\n this.setStrokeAlpha(value);\n break;\n case 'ca':\n this.setFillAlpha(value);\n break;\n default:\n warn('Unimplemented graphic state ' + key);\n break;\n }\n }\n },\n\n fill: function SVGGraphics_fill() {\n var current = this.current;\n current.element.setAttributeNS(null, 'fill', current.fillColor);\n current.element.setAttributeNS(null, 'fill-opacity', current.fillAlpha);\n },\n\n stroke: function SVGGraphics_stroke() {\n var current = this.current;\n\n current.element.setAttributeNS(null, 'stroke', current.strokeColor);\n current.element.setAttributeNS(null, 'stroke-opacity',\n current.strokeAlpha);\n current.element.setAttributeNS(null, 'stroke-miterlimit',\n pf(current.miterLimit));\n current.element.setAttributeNS(null, 'stroke-linecap', current.lineCap);\n current.element.setAttributeNS(null, 'stroke-linejoin', current.lineJoin);\n current.element.setAttributeNS(null, 'stroke-width',\n pf(current.lineWidth) + 'px');\n current.element.setAttributeNS(null, 'stroke-dasharray',\n current.dashArray.map(pf).join(' '));\n current.element.setAttributeNS(null, 'stroke-dashoffset',\n pf(current.dashPhase) + 'px');\n\n current.element.setAttributeNS(null, 'fill', 'none');\n },\n\n eoFill: function SVGGraphics_eoFill() {\n this.current.element.setAttributeNS(null, 'fill-rule', 'evenodd');\n this.fill();\n },\n\n fillStroke: function SVGGraphics_fillStroke() {\n // Order is important since stroke wants fill to be none.\n // First stroke, then if fill needed, it will be overwritten.\n this.stroke();\n this.fill();\n },\n\n eoFillStroke: function SVGGraphics_eoFillStroke() {\n this.current.element.setAttributeNS(null, 'fill-rule', 'evenodd');\n this.fillStroke();\n },\n\n closeStroke: function SVGGraphics_closeStroke() {\n this.closePath();\n this.stroke();\n },\n\n closeFillStroke: function SVGGraphics_closeFillStroke() {\n this.closePath();\n this.fillStroke();\n },\n\n paintSolidColorImageMask:\n function SVGGraphics_paintSolidColorImageMask() {\n var current = this.current;\n var rect = document.createElementNS(NS, 'svg:rect');\n rect.setAttributeNS(null, 'x', '0');\n rect.setAttributeNS(null, 'y', '0');\n rect.setAttributeNS(null, 'width', '1px');\n rect.setAttributeNS(null, 'height', '1px');\n rect.setAttributeNS(null, 'fill', current.fillColor);\n\n this._ensureTransformGroup().appendChild(rect);\n },\n\n paintJpegXObject: function SVGGraphics_paintJpegXObject(objId, w, h) {\n var imgObj = this.objs.get(objId);\n var imgEl = document.createElementNS(NS, 'svg:image');\n imgEl.setAttributeNS(XLINK_NS, 'xlink:href', imgObj.src);\n imgEl.setAttributeNS(null, 'width', pf(w));\n imgEl.setAttributeNS(null, 'height', pf(h));\n imgEl.setAttributeNS(null, 'x', '0');\n imgEl.setAttributeNS(null, 'y', pf(-h));\n imgEl.setAttributeNS(null, 'transform',\n 'scale(' + pf(1 / w) + ' ' + pf(-1 / h) + ')');\n\n this._ensureTransformGroup().appendChild(imgEl);\n },\n\n paintImageXObject: function SVGGraphics_paintImageXObject(objId) {\n var imgData = this.objs.get(objId);\n if (!imgData) {\n warn('Dependent image isn\\'t ready yet');\n return;\n }\n this.paintInlineImageXObject(imgData);\n },\n\n paintInlineImageXObject:\n function SVGGraphics_paintInlineImageXObject(imgData, mask) {\n var width = imgData.width;\n var height = imgData.height;\n\n var imgSrc = convertImgDataToPng(imgData, this.forceDataSchema);\n var cliprect = document.createElementNS(NS, 'svg:rect');\n cliprect.setAttributeNS(null, 'x', '0');\n cliprect.setAttributeNS(null, 'y', '0');\n cliprect.setAttributeNS(null, 'width', pf(width));\n cliprect.setAttributeNS(null, 'height', pf(height));\n this.current.element = cliprect;\n this.clip('nonzero');\n var imgEl = document.createElementNS(NS, 'svg:image');\n imgEl.setAttributeNS(XLINK_NS, 'xlink:href', imgSrc);\n imgEl.setAttributeNS(null, 'x', '0');\n imgEl.setAttributeNS(null, 'y', pf(-height));\n imgEl.setAttributeNS(null, 'width', pf(width) + 'px');\n imgEl.setAttributeNS(null, 'height', pf(height) + 'px');\n imgEl.setAttributeNS(null, 'transform',\n 'scale(' + pf(1 / width) + ' ' +\n pf(-1 / height) + ')');\n if (mask) {\n mask.appendChild(imgEl);\n } else {\n this._ensureTransformGroup().appendChild(imgEl);\n }\n },\n\n paintImageMaskXObject:\n function SVGGraphics_paintImageMaskXObject(imgData) {\n var current = this.current;\n var width = imgData.width;\n var height = imgData.height;\n var fillColor = current.fillColor;\n\n current.maskId = 'mask' + maskCount++;\n var mask = document.createElementNS(NS, 'svg:mask');\n mask.setAttributeNS(null, 'id', current.maskId);\n\n var rect = document.createElementNS(NS, 'svg:rect');\n rect.setAttributeNS(null, 'x', '0');\n rect.setAttributeNS(null, 'y', '0');\n rect.setAttributeNS(null, 'width', pf(width));\n rect.setAttributeNS(null, 'height', pf(height));\n rect.setAttributeNS(null, 'fill', fillColor);\n rect.setAttributeNS(null, 'mask', 'url(#' + current.maskId + ')');\n this.defs.appendChild(mask);\n\n this._ensureTransformGroup().appendChild(rect);\n\n this.paintInlineImageXObject(imgData, mask);\n },\n\n paintFormXObjectBegin:\n function SVGGraphics_paintFormXObjectBegin(matrix, bbox) {\n if (isArray(matrix) && matrix.length === 6) {\n this.transform(matrix[0], matrix[1], matrix[2],\n matrix[3], matrix[4], matrix[5]);\n }\n\n if (isArray(bbox) && bbox.length === 4) {\n var width = bbox[2] - bbox[0];\n var height = bbox[3] - bbox[1];\n\n var cliprect = document.createElementNS(NS, 'svg:rect');\n cliprect.setAttributeNS(null, 'x', bbox[0]);\n cliprect.setAttributeNS(null, 'y', bbox[1]);\n cliprect.setAttributeNS(null, 'width', pf(width));\n cliprect.setAttributeNS(null, 'height', pf(height));\n this.current.element = cliprect;\n this.clip('nonzero');\n this.endPath();\n }\n },\n\n paintFormXObjectEnd:\n function SVGGraphics_paintFormXObjectEnd() {},\n\n /**\n * @private\n */\n _initialize: function SVGGraphics_initialize(viewport) {\n // Create the SVG element.\n var svg = document.createElementNS(NS, 'svg:svg');\n svg.setAttributeNS(null, 'version', '1.1');\n svg.setAttributeNS(null, 'width', viewport.width + 'px');\n svg.setAttributeNS(null, 'height', viewport.height + 'px');\n svg.setAttributeNS(null, 'preserveAspectRatio', 'none');\n svg.setAttributeNS(null, 'viewBox', '0 0 ' + viewport.width +\n ' ' + viewport.height);\n\n // Create the definitions element.\n var definitions = document.createElementNS(NS, 'svg:defs');\n svg.appendChild(definitions);\n this.defs = definitions;\n\n // Create the root group element, which acts a container for all other\n // groups and applies the viewport transform.\n var rootGroup = document.createElementNS(NS, 'svg:g');\n rootGroup.setAttributeNS(null, 'transform', pm(viewport.transform));\n svg.appendChild(rootGroup);\n\n // For the construction of the SVG image we are only interested in the\n // root group, so we expose it as the entry point of the SVG image for\n // the other code in this class.\n this.svg = rootGroup;\n\n return svg;\n },\n\n /**\n * @private\n */\n _ensureClipGroup: function SVGGraphics_ensureClipGroup() {\n if (!this.current.clipGroup) {\n var clipGroup = document.createElementNS(NS, 'svg:g');\n clipGroup.setAttributeNS(null, 'clip-path',\n this.current.activeClipUrl);\n this.svg.appendChild(clipGroup);\n this.current.clipGroup = clipGroup;\n }\n return this.current.clipGroup;\n },\n\n /**\n * @private\n */\n _ensureTransformGroup: function SVGGraphics_ensureTransformGroup() {\n if (!this.tgrp) {\n this.tgrp = document.createElementNS(NS, 'svg:g');\n this.tgrp.setAttributeNS(null, 'transform', pm(this.transformMatrix));\n if (this.current.activeClipUrl) {\n this._ensureClipGroup().appendChild(this.tgrp);\n } else {\n this.svg.appendChild(this.tgrp);\n }\n }\n return this.tgrp;\n },\n };\n return SVGGraphics;\n})();\n\n}\n\nexport {\n SVGGraphics,\n};\n\n\n\n// WEBPACK FOOTER //\n// src/display/svg.js","/* Copyright 2015 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { AbortException, createPromiseCapability, Util } from '../shared/util';\nimport { CustomStyle, getDefaultSetting } from './dom_utils';\n\n/**\n * Text layer render parameters.\n *\n * @typedef {Object} TextLayerRenderParameters\n * @property {TextContent} textContent - (optional) Text content to render\n * (the object is returned by the page's getTextContent() method).\n * @property {ReadableStream} textContentStream - (optional) Text content\n * stream to render (the stream is returned by the page's\n * streamTextContent() method).\n * @property {HTMLElement} container - HTML element that will contain text runs.\n * @property {PageViewport} viewport - The target viewport to properly\n * layout the text runs.\n * @property {Array} textDivs - (optional) HTML elements that are correspond\n * the text items of the textContent input. This is output and shall be\n * initially be set to empty array.\n * @property {Array} textContentItemsStr - (optional) Strings that correspond\n * the `str` property of the text items of textContent input. This is output\n * and shall be initially be set to empty array.\n * @property {number} timeout - (optional) Delay in milliseconds before\n * rendering of the text runs occurs.\n * @property {boolean} enhanceTextSelection - (optional) Whether to turn on the\n * text selection enhancement.\n */\nvar renderTextLayer = (function renderTextLayerClosure() {\n var MAX_TEXT_DIVS_TO_RENDER = 100000;\n\n var NonWhitespaceRegexp = /\\S/;\n\n function isAllWhitespace(str) {\n return !NonWhitespaceRegexp.test(str);\n }\n\n // Text layers may contain many thousand div's, and using `styleBuf` avoids\n // creating many intermediate strings when building their 'style' properties.\n var styleBuf = ['left: ', 0, 'px; top: ', 0, 'px; font-size: ', 0,\n 'px; font-family: ', '', ';'];\n\n function appendText(task, geom, styles) {\n // Initialize all used properties to keep the caches monomorphic.\n var textDiv = document.createElement('div');\n var textDivProperties = {\n style: null,\n angle: 0,\n canvasWidth: 0,\n isWhitespace: false,\n originalTransform: null,\n paddingBottom: 0,\n paddingLeft: 0,\n paddingRight: 0,\n paddingTop: 0,\n scale: 1,\n };\n\n task._textDivs.push(textDiv);\n if (isAllWhitespace(geom.str)) {\n textDivProperties.isWhitespace = true;\n task._textDivProperties.set(textDiv, textDivProperties);\n return;\n }\n\n var tx = Util.transform(task._viewport.transform, geom.transform);\n var angle = Math.atan2(tx[1], tx[0]);\n var style = styles[geom.fontName];\n if (style.vertical) {\n angle += Math.PI / 2;\n }\n var fontHeight = Math.sqrt((tx[2] * tx[2]) + (tx[3] * tx[3]));\n var fontAscent = fontHeight;\n if (style.ascent) {\n fontAscent = style.ascent * fontAscent;\n } else if (style.descent) {\n fontAscent = (1 + style.descent) * fontAscent;\n }\n\n var left;\n var top;\n if (angle === 0) {\n left = tx[4];\n top = tx[5] - fontAscent;\n } else {\n left = tx[4] + (fontAscent * Math.sin(angle));\n top = tx[5] - (fontAscent * Math.cos(angle));\n }\n styleBuf[1] = left;\n styleBuf[3] = top;\n styleBuf[5] = fontHeight;\n styleBuf[7] = style.fontFamily;\n textDivProperties.style = styleBuf.join('');\n textDiv.setAttribute('style', textDivProperties.style);\n\n textDiv.textContent = geom.str;\n // |fontName| is only used by the Font Inspector. This test will succeed\n // when e.g. the Font Inspector is off but the Stepper is on, but it's\n // not worth the effort to do a more accurate test. We only use `dataset`\n // here to make the font name available for the debugger.\n if (getDefaultSetting('pdfBug')) {\n textDiv.dataset.fontName = geom.fontName;\n }\n if (angle !== 0) {\n textDivProperties.angle = angle * (180 / Math.PI);\n }\n // We don't bother scaling single-char text divs, because it has very\n // little effect on text highlighting. This makes scrolling on docs with\n // lots of such divs a lot faster.\n if (geom.str.length > 1) {\n if (style.vertical) {\n textDivProperties.canvasWidth = geom.height * task._viewport.scale;\n } else {\n textDivProperties.canvasWidth = geom.width * task._viewport.scale;\n }\n }\n task._textDivProperties.set(textDiv, textDivProperties);\n if (task._textContentStream) {\n task._layoutText(textDiv);\n }\n\n if (task._enhanceTextSelection) {\n var angleCos = 1, angleSin = 0;\n if (angle !== 0) {\n angleCos = Math.cos(angle);\n angleSin = Math.sin(angle);\n }\n var divWidth = (style.vertical ? geom.height : geom.width) *\n task._viewport.scale;\n var divHeight = fontHeight;\n\n var m, b;\n if (angle !== 0) {\n m = [angleCos, angleSin, -angleSin, angleCos, left, top];\n b = Util.getAxialAlignedBoundingBox([0, 0, divWidth, divHeight], m);\n } else {\n b = [left, top, left + divWidth, top + divHeight];\n }\n\n task._bounds.push({\n left: b[0],\n top: b[1],\n right: b[2],\n bottom: b[3],\n div: textDiv,\n size: [divWidth, divHeight],\n m,\n });\n }\n }\n\n function render(task) {\n if (task._canceled) {\n return;\n }\n var textDivs = task._textDivs;\n var capability = task._capability;\n var textDivsLength = textDivs.length;\n\n // No point in rendering many divs as it would make the browser\n // unusable even after the divs are rendered.\n if (textDivsLength > MAX_TEXT_DIVS_TO_RENDER) {\n task._renderingDone = true;\n capability.resolve();\n return;\n }\n\n if (!task._textContentStream) {\n for (var i = 0; i < textDivsLength; i++) {\n task._layoutText(textDivs[i]);\n }\n }\n\n task._renderingDone = true;\n capability.resolve();\n }\n\n function expand(task) {\n var bounds = task._bounds;\n var viewport = task._viewport;\n\n var expanded = expandBounds(viewport.width, viewport.height, bounds);\n for (var i = 0; i < expanded.length; i++) {\n var div = bounds[i].div;\n var divProperties = task._textDivProperties.get(div);\n if (divProperties.angle === 0) {\n divProperties.paddingLeft = bounds[i].left - expanded[i].left;\n divProperties.paddingTop = bounds[i].top - expanded[i].top;\n divProperties.paddingRight = expanded[i].right - bounds[i].right;\n divProperties.paddingBottom = expanded[i].bottom - bounds[i].bottom;\n task._textDivProperties.set(div, divProperties);\n continue;\n }\n // Box is rotated -- trying to find padding so rotated div will not\n // exceed its expanded bounds.\n var e = expanded[i], b = bounds[i];\n var m = b.m, c = m[0], s = m[1];\n // Finding intersections with expanded box.\n var points = [[0, 0], [0, b.size[1]], [b.size[0], 0], b.size];\n var ts = new Float64Array(64);\n points.forEach(function (p, i) {\n var t = Util.applyTransform(p, m);\n ts[i + 0] = c && (e.left - t[0]) / c;\n ts[i + 4] = s && (e.top - t[1]) / s;\n ts[i + 8] = c && (e.right - t[0]) / c;\n ts[i + 12] = s && (e.bottom - t[1]) / s;\n\n ts[i + 16] = s && (e.left - t[0]) / -s;\n ts[i + 20] = c && (e.top - t[1]) / c;\n ts[i + 24] = s && (e.right - t[0]) / -s;\n ts[i + 28] = c && (e.bottom - t[1]) / c;\n\n ts[i + 32] = c && (e.left - t[0]) / -c;\n ts[i + 36] = s && (e.top - t[1]) / -s;\n ts[i + 40] = c && (e.right - t[0]) / -c;\n ts[i + 44] = s && (e.bottom - t[1]) / -s;\n\n ts[i + 48] = s && (e.left - t[0]) / s;\n ts[i + 52] = c && (e.top - t[1]) / -c;\n ts[i + 56] = s && (e.right - t[0]) / s;\n ts[i + 60] = c && (e.bottom - t[1]) / -c;\n });\n var findPositiveMin = function (ts, offset, count) {\n var result = 0;\n for (var i = 0; i < count; i++) {\n var t = ts[offset++];\n if (t > 0) {\n result = result ? Math.min(t, result) : t;\n }\n }\n return result;\n };\n // Not based on math, but to simplify calculations, using cos and sin\n // absolute values to not exceed the box (it can but insignificantly).\n var boxScale = 1 + Math.min(Math.abs(c), Math.abs(s));\n divProperties.paddingLeft = findPositiveMin(ts, 32, 16) / boxScale;\n divProperties.paddingTop = findPositiveMin(ts, 48, 16) / boxScale;\n divProperties.paddingRight = findPositiveMin(ts, 0, 16) / boxScale;\n divProperties.paddingBottom = findPositiveMin(ts, 16, 16) / boxScale;\n task._textDivProperties.set(div, divProperties);\n }\n }\n\n function expandBounds(width, height, boxes) {\n var bounds = boxes.map(function (box, i) {\n return {\n x1: box.left,\n y1: box.top,\n x2: box.right,\n y2: box.bottom,\n index: i,\n x1New: undefined,\n x2New: undefined,\n };\n });\n expandBoundsLTR(width, bounds);\n var expanded = new Array(boxes.length);\n bounds.forEach(function (b) {\n var i = b.index;\n expanded[i] = {\n left: b.x1New,\n top: 0,\n right: b.x2New,\n bottom: 0,\n };\n });\n\n // Rotating on 90 degrees and extending extended boxes. Reusing the bounds\n // array and objects.\n boxes.map(function (box, i) {\n var e = expanded[i], b = bounds[i];\n b.x1 = box.top;\n b.y1 = width - e.right;\n b.x2 = box.bottom;\n b.y2 = width - e.left;\n b.index = i;\n b.x1New = undefined;\n b.x2New = undefined;\n });\n expandBoundsLTR(height, bounds);\n\n bounds.forEach(function (b) {\n var i = b.index;\n expanded[i].top = b.x1New;\n expanded[i].bottom = b.x2New;\n });\n return expanded;\n }\n\n function expandBoundsLTR(width, bounds) {\n // Sorting by x1 coordinate and walk by the bounds in the same order.\n bounds.sort(function (a, b) {\n return a.x1 - b.x1 || a.index - b.index;\n });\n\n // First we see on the horizon is a fake boundary.\n var fakeBoundary = {\n x1: -Infinity,\n y1: -Infinity,\n x2: 0,\n y2: Infinity,\n index: -1,\n x1New: 0,\n x2New: 0,\n };\n var horizon = [{\n start: -Infinity,\n end: Infinity,\n boundary: fakeBoundary,\n }];\n\n bounds.forEach(function (boundary) {\n // Searching for the affected part of horizon.\n // TODO red-black tree or simple binary search\n var i = 0;\n while (i < horizon.length && horizon[i].end <= boundary.y1) {\n i++;\n }\n var j = horizon.length - 1;\n while (j >= 0 && horizon[j].start >= boundary.y2) {\n j--;\n }\n\n var horizonPart, affectedBoundary;\n var q, k, maxXNew = -Infinity;\n for (q = i; q <= j; q++) {\n horizonPart = horizon[q];\n affectedBoundary = horizonPart.boundary;\n var xNew;\n if (affectedBoundary.x2 > boundary.x1) {\n // In the middle of the previous element, new x shall be at the\n // boundary start. Extending if further if the affected bondary\n // placed on top of the current one.\n xNew = affectedBoundary.index > boundary.index ?\n affectedBoundary.x1New : boundary.x1;\n } else if (affectedBoundary.x2New === undefined) {\n // We have some space in between, new x in middle will be a fair\n // choice.\n xNew = (affectedBoundary.x2 + boundary.x1) / 2;\n } else {\n // Affected boundary has x2new set, using it as new x.\n xNew = affectedBoundary.x2New;\n }\n if (xNew > maxXNew) {\n maxXNew = xNew;\n }\n }\n\n // Set new x1 for current boundary.\n boundary.x1New = maxXNew;\n\n // Adjusts new x2 for the affected boundaries.\n for (q = i; q <= j; q++) {\n horizonPart = horizon[q];\n affectedBoundary = horizonPart.boundary;\n if (affectedBoundary.x2New === undefined) {\n // Was not set yet, choosing new x if possible.\n if (affectedBoundary.x2 > boundary.x1) {\n // Current and affected boundaries intersect. If affected boundary\n // is placed on top of the current, shrinking the affected.\n if (affectedBoundary.index > boundary.index) {\n affectedBoundary.x2New = affectedBoundary.x2;\n }\n } else {\n affectedBoundary.x2New = maxXNew;\n }\n } else if (affectedBoundary.x2New > maxXNew) {\n // Affected boundary is touching new x, pushing it back.\n affectedBoundary.x2New = Math.max(maxXNew, affectedBoundary.x2);\n }\n }\n\n // Fixing the horizon.\n var changedHorizon = [], lastBoundary = null;\n for (q = i; q <= j; q++) {\n horizonPart = horizon[q];\n affectedBoundary = horizonPart.boundary;\n // Checking which boundary will be visible.\n var useBoundary = affectedBoundary.x2 > boundary.x2 ?\n affectedBoundary : boundary;\n if (lastBoundary === useBoundary) {\n // Merging with previous.\n changedHorizon[changedHorizon.length - 1].end = horizonPart.end;\n } else {\n changedHorizon.push({\n start: horizonPart.start,\n end: horizonPart.end,\n boundary: useBoundary,\n });\n lastBoundary = useBoundary;\n }\n }\n if (horizon[i].start < boundary.y1) {\n changedHorizon[0].start = boundary.y1;\n changedHorizon.unshift({\n start: horizon[i].start,\n end: boundary.y1,\n boundary: horizon[i].boundary,\n });\n }\n if (boundary.y2 < horizon[j].end) {\n changedHorizon[changedHorizon.length - 1].end = boundary.y2;\n changedHorizon.push({\n start: boundary.y2,\n end: horizon[j].end,\n boundary: horizon[j].boundary,\n });\n }\n\n // Set x2 new of boundary that is no longer visible (see overlapping case\n // above).\n // TODO more efficient, e.g. via reference counting.\n for (q = i; q <= j; q++) {\n horizonPart = horizon[q];\n affectedBoundary = horizonPart.boundary;\n if (affectedBoundary.x2New !== undefined) {\n continue;\n }\n var used = false;\n for (k = i - 1; !used && k >= 0 &&\n horizon[k].start >= affectedBoundary.y1; k--) {\n used = horizon[k].boundary === affectedBoundary;\n }\n for (k = j + 1; !used && k < horizon.length &&\n horizon[k].end <= affectedBoundary.y2; k++) {\n used = horizon[k].boundary === affectedBoundary;\n }\n for (k = 0; !used && k < changedHorizon.length; k++) {\n used = changedHorizon[k].boundary === affectedBoundary;\n }\n if (!used) {\n affectedBoundary.x2New = maxXNew;\n }\n }\n\n Array.prototype.splice.apply(horizon,\n [i, j - i + 1].concat(changedHorizon));\n });\n\n // Set new x2 for all unset boundaries.\n horizon.forEach(function (horizonPart) {\n var affectedBoundary = horizonPart.boundary;\n if (affectedBoundary.x2New === undefined) {\n affectedBoundary.x2New = Math.max(width, affectedBoundary.x2);\n }\n });\n }\n\n /**\n * Text layer rendering task.\n *\n * @param {TextContent} textContent\n * @param {HTMLElement} container\n * @param {PageViewport} viewport\n * @param {Array} textDivs\n * @param {boolean} enhanceTextSelection\n * @private\n */\n function TextLayerRenderTask({ textContent, textContentStream, container,\n viewport, textDivs, textContentItemsStr,\n enhanceTextSelection, }) {\n this._textContent = textContent;\n this._textContentStream = textContentStream;\n this._container = container;\n this._viewport = viewport;\n this._textDivs = textDivs || [];\n this._textContentItemsStr = textContentItemsStr || [];\n this._enhanceTextSelection = !!enhanceTextSelection;\n\n this._reader = null;\n this._layoutTextLastFontSize = null;\n this._layoutTextLastFontFamily = null;\n this._layoutTextCtx = null;\n this._textDivProperties = new WeakMap();\n this._renderingDone = false;\n this._canceled = false;\n this._capability = createPromiseCapability();\n this._renderTimer = null;\n this._bounds = [];\n }\n TextLayerRenderTask.prototype = {\n get promise() {\n return this._capability.promise;\n },\n\n cancel: function TextLayer_cancel() {\n if (this._reader) {\n this._reader.cancel(new AbortException('text layer task cancelled'));\n this._reader = null;\n }\n this._canceled = true;\n if (this._renderTimer !== null) {\n clearTimeout(this._renderTimer);\n this._renderTimer = null;\n }\n this._capability.reject('canceled');\n },\n\n _processItems(items, styleCache) {\n for (let i = 0, len = items.length; i < len; i++) {\n this._textContentItemsStr.push(items[i].str);\n appendText(this, items[i], styleCache);\n }\n },\n\n _layoutText(textDiv) {\n let textLayerFrag = this._container;\n\n let textDivProperties = this._textDivProperties.get(textDiv);\n if (textDivProperties.isWhitespace) {\n return;\n }\n\n let fontSize = textDiv.style.fontSize;\n let fontFamily = textDiv.style.fontFamily;\n\n // Only build font string and set to context if different from last.\n if (fontSize !== this._layoutTextLastFontSize ||\n fontFamily !== this._layoutTextLastFontFamily) {\n this._layoutTextCtx.font = fontSize + ' ' + fontFamily;\n this._lastFontSize = fontSize;\n this._lastFontFamily = fontFamily;\n }\n\n let width = this._layoutTextCtx.measureText(textDiv.textContent).width;\n\n let transform = '';\n if (textDivProperties.canvasWidth !== 0 && width > 0) {\n textDivProperties.scale = textDivProperties.canvasWidth / width;\n transform = 'scaleX(' + textDivProperties.scale + ')';\n }\n if (textDivProperties.angle !== 0) {\n transform = 'rotate(' + textDivProperties.angle + 'deg) ' + transform;\n }\n if (transform !== '') {\n textDivProperties.originalTransform = transform;\n CustomStyle.setProp('transform', textDiv, transform);\n }\n this._textDivProperties.set(textDiv, textDivProperties);\n textLayerFrag.appendChild(textDiv);\n },\n\n _render: function TextLayer_render(timeout) {\n let capability = createPromiseCapability();\n let styleCache = Object.create(null);\n\n // The temporary canvas is used to measure text length in the DOM.\n let canvas = document.createElement('canvas');\n if (typeof PDFJSDev === 'undefined' ||\n PDFJSDev.test('FIREFOX || MOZCENTRAL || GENERIC')) {\n canvas.mozOpaque = true;\n }\n this._layoutTextCtx = canvas.getContext('2d', { alpha: false, });\n\n if (this._textContent) {\n let textItems = this._textContent.items;\n let textStyles = this._textContent.styles;\n this._processItems(textItems, textStyles);\n capability.resolve();\n } else if (this._textContentStream) {\n let pump = () => {\n this._reader.read().then(({ value, done, }) => {\n if (done) {\n capability.resolve();\n return;\n }\n\n Util.extendObj(styleCache, value.styles);\n this._processItems(value.items, styleCache);\n pump();\n\n }, capability.reject);\n };\n\n this._reader = this._textContentStream.getReader();\n pump();\n } else {\n throw new Error('Neither \"textContent\" nor \"textContentStream\"' +\n ' parameters specified.');\n }\n\n capability.promise.then(() => {\n styleCache = null;\n if (!timeout) { // Render right away\n render(this);\n } else { // Schedule\n this._renderTimer = setTimeout(() => {\n render(this);\n this._renderTimer = null;\n }, timeout);\n }\n }, this._capability.reject);\n },\n\n expandTextDivs: function TextLayer_expandTextDivs(expandDivs) {\n if (!this._enhanceTextSelection || !this._renderingDone) {\n return;\n }\n if (this._bounds !== null) {\n expand(this);\n this._bounds = null;\n }\n\n for (var i = 0, ii = this._textDivs.length; i < ii; i++) {\n var div = this._textDivs[i];\n var divProperties = this._textDivProperties.get(div);\n\n if (divProperties.isWhitespace) {\n continue;\n }\n if (expandDivs) {\n var transform = '', padding = '';\n\n if (divProperties.scale !== 1) {\n transform = 'scaleX(' + divProperties.scale + ')';\n }\n if (divProperties.angle !== 0) {\n transform = 'rotate(' + divProperties.angle + 'deg) ' + transform;\n }\n if (divProperties.paddingLeft !== 0) {\n padding += ' padding-left: ' +\n (divProperties.paddingLeft / divProperties.scale) + 'px;';\n transform += ' translateX(' +\n (-divProperties.paddingLeft / divProperties.scale) + 'px)';\n }\n if (divProperties.paddingTop !== 0) {\n padding += ' padding-top: ' + divProperties.paddingTop + 'px;';\n transform += ' translateY(' + (-divProperties.paddingTop) + 'px)';\n }\n if (divProperties.paddingRight !== 0) {\n padding += ' padding-right: ' +\n (divProperties.paddingRight / divProperties.scale) + 'px;';\n }\n if (divProperties.paddingBottom !== 0) {\n padding += ' padding-bottom: ' +\n divProperties.paddingBottom + 'px;';\n }\n\n if (padding !== '') {\n div.setAttribute('style', divProperties.style + padding);\n }\n if (transform !== '') {\n CustomStyle.setProp('transform', div, transform);\n }\n } else {\n div.style.padding = 0;\n CustomStyle.setProp('transform', div,\n divProperties.originalTransform || '');\n }\n }\n },\n };\n\n /**\n * Starts rendering of the text layer.\n *\n * @param {TextLayerRenderParameters} renderParameters\n * @returns {TextLayerRenderTask}\n */\n function renderTextLayer(renderParameters) {\n var task = new TextLayerRenderTask({\n textContent: renderParameters.textContent,\n textContentStream: renderParameters.textContentStream,\n container: renderParameters.container,\n viewport: renderParameters.viewport,\n textDivs: renderParameters.textDivs,\n textContentItemsStr: renderParameters.textContentItemsStr,\n enhanceTextSelection: renderParameters.enhanceTextSelection,\n });\n task._render(renderParameters.timeout);\n return task;\n }\n\n return renderTextLayer;\n})();\n\nexport {\n renderTextLayer,\n};\n\n\n\n// WEBPACK FOOTER //\n// src/display/text_layer.js","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nfunction fixMetadata(meta) {\n return meta.replace(/>\\\\376\\\\377([^<]+)/g, function(all, codes) {\n var bytes = codes.replace(/\\\\([0-3])([0-7])([0-7])/g,\n function(code, d1, d2, d3) {\n return String.fromCharCode(d1 * 64 + d2 * 8 + d3 * 1);\n });\n var chars = '';\n for (var i = 0; i < bytes.length; i += 2) {\n var code = bytes.charCodeAt(i) * 256 + bytes.charCodeAt(i + 1);\n chars += (code >= 32 && code < 127 && code !== 60 && code !== 62 &&\n code !== 38) ? String.fromCharCode(code) :\n '&#x' + (0x10000 + code).toString(16).substring(1) + ';';\n }\n return '>' + chars;\n });\n}\n\nfunction Metadata(meta) {\n if (typeof meta === 'string') {\n // Ghostscript produces invalid metadata\n meta = fixMetadata(meta);\n\n var parser = new DOMParser();\n meta = parser.parseFromString(meta, 'application/xml');\n } else if (!(meta instanceof Document)) {\n throw new Error('Metadata: Invalid metadata object');\n }\n\n this.metaDocument = meta;\n this.metadata = Object.create(null);\n this.parse();\n}\n\nMetadata.prototype = {\n parse: function Metadata_parse() {\n var doc = this.metaDocument;\n var rdf = doc.documentElement;\n\n if (rdf.nodeName.toLowerCase() !== 'rdf:rdf') { // Wrapped in \n rdf = rdf.firstChild;\n while (rdf && rdf.nodeName.toLowerCase() !== 'rdf:rdf') {\n rdf = rdf.nextSibling;\n }\n }\n\n var nodeName = (rdf) ? rdf.nodeName.toLowerCase() : null;\n if (!rdf || nodeName !== 'rdf:rdf' || !rdf.hasChildNodes()) {\n return;\n }\n\n var children = rdf.childNodes, desc, entry, name, i, ii, length, iLength;\n for (i = 0, length = children.length; i < length; i++) {\n desc = children[i];\n if (desc.nodeName.toLowerCase() !== 'rdf:description') {\n continue;\n }\n\n for (ii = 0, iLength = desc.childNodes.length; ii < iLength; ii++) {\n if (desc.childNodes[ii].nodeName.toLowerCase() !== '#text') {\n entry = desc.childNodes[ii];\n name = entry.nodeName.toLowerCase();\n this.metadata[name] = entry.textContent.trim();\n }\n }\n }\n },\n\n get: function Metadata_get(name) {\n return this.metadata[name] || null;\n },\n\n has: function Metadata_has(name) {\n return typeof this.metadata[name] !== 'undefined';\n },\n};\n\nexport {\n Metadata,\n};\n\n\n\n// WEBPACK FOOTER //\n// src/display/metadata.js","/* Copyright 2014 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* eslint-disable no-multi-str */\n\nimport { getDefaultSetting } from './dom_utils';\nimport { shadow } from '../shared/util';\n\nvar WebGLUtils = (function WebGLUtilsClosure() {\n function loadShader(gl, code, shaderType) {\n var shader = gl.createShader(shaderType);\n gl.shaderSource(shader, code);\n gl.compileShader(shader);\n var compiled = gl.getShaderParameter(shader, gl.COMPILE_STATUS);\n if (!compiled) {\n var errorMsg = gl.getShaderInfoLog(shader);\n throw new Error('Error during shader compilation: ' + errorMsg);\n }\n return shader;\n }\n function createVertexShader(gl, code) {\n return loadShader(gl, code, gl.VERTEX_SHADER);\n }\n function createFragmentShader(gl, code) {\n return loadShader(gl, code, gl.FRAGMENT_SHADER);\n }\n function createProgram(gl, shaders) {\n var program = gl.createProgram();\n for (var i = 0, ii = shaders.length; i < ii; ++i) {\n gl.attachShader(program, shaders[i]);\n }\n gl.linkProgram(program);\n var linked = gl.getProgramParameter(program, gl.LINK_STATUS);\n if (!linked) {\n var errorMsg = gl.getProgramInfoLog(program);\n throw new Error('Error during program linking: ' + errorMsg);\n }\n return program;\n }\n function createTexture(gl, image, textureId) {\n gl.activeTexture(textureId);\n var texture = gl.createTexture();\n gl.bindTexture(gl.TEXTURE_2D, texture);\n\n // Set the parameters so we can render any size image.\n gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE);\n gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE);\n gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST);\n gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST);\n\n // Upload the image into the texture.\n gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, image);\n return texture;\n }\n\n var currentGL, currentCanvas;\n function generateGL() {\n if (currentGL) {\n return;\n }\n\n // The temporary canvas is used in the WebGL context.\n currentCanvas = document.createElement('canvas');\n currentGL = currentCanvas.getContext('webgl',\n { premultipliedalpha: false, });\n }\n\n var smaskVertexShaderCode = '\\\n attribute vec2 a_position; \\\n attribute vec2 a_texCoord; \\\n \\\n uniform vec2 u_resolution; \\\n \\\n varying vec2 v_texCoord; \\\n \\\n void main() { \\\n vec2 clipSpace = (a_position / u_resolution) * 2.0 - 1.0; \\\n gl_Position = vec4(clipSpace * vec2(1, -1), 0, 1); \\\n \\\n v_texCoord = a_texCoord; \\\n } ';\n\n var smaskFragmentShaderCode = '\\\n precision mediump float; \\\n \\\n uniform vec4 u_backdrop; \\\n uniform int u_subtype; \\\n uniform sampler2D u_image; \\\n uniform sampler2D u_mask; \\\n \\\n varying vec2 v_texCoord; \\\n \\\n void main() { \\\n vec4 imageColor = texture2D(u_image, v_texCoord); \\\n vec4 maskColor = texture2D(u_mask, v_texCoord); \\\n if (u_backdrop.a > 0.0) { \\\n maskColor.rgb = maskColor.rgb * maskColor.a + \\\n u_backdrop.rgb * (1.0 - maskColor.a); \\\n } \\\n float lum; \\\n if (u_subtype == 0) { \\\n lum = maskColor.a; \\\n } else { \\\n lum = maskColor.r * 0.3 + maskColor.g * 0.59 + \\\n maskColor.b * 0.11; \\\n } \\\n imageColor.a *= lum; \\\n imageColor.rgb *= imageColor.a; \\\n gl_FragColor = imageColor; \\\n } ';\n\n var smaskCache = null;\n\n function initSmaskGL() {\n var canvas, gl;\n\n generateGL();\n canvas = currentCanvas;\n currentCanvas = null;\n gl = currentGL;\n currentGL = null;\n\n // setup a GLSL program\n var vertexShader = createVertexShader(gl, smaskVertexShaderCode);\n var fragmentShader = createFragmentShader(gl, smaskFragmentShaderCode);\n var program = createProgram(gl, [vertexShader, fragmentShader]);\n gl.useProgram(program);\n\n var cache = {};\n cache.gl = gl;\n cache.canvas = canvas;\n cache.resolutionLocation = gl.getUniformLocation(program, 'u_resolution');\n cache.positionLocation = gl.getAttribLocation(program, 'a_position');\n cache.backdropLocation = gl.getUniformLocation(program, 'u_backdrop');\n cache.subtypeLocation = gl.getUniformLocation(program, 'u_subtype');\n\n var texCoordLocation = gl.getAttribLocation(program, 'a_texCoord');\n var texLayerLocation = gl.getUniformLocation(program, 'u_image');\n var texMaskLocation = gl.getUniformLocation(program, 'u_mask');\n\n // provide texture coordinates for the rectangle.\n var texCoordBuffer = gl.createBuffer();\n gl.bindBuffer(gl.ARRAY_BUFFER, texCoordBuffer);\n gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([\n 0.0, 0.0,\n 1.0, 0.0,\n 0.0, 1.0,\n 0.0, 1.0,\n 1.0, 0.0,\n 1.0, 1.0]), gl.STATIC_DRAW);\n gl.enableVertexAttribArray(texCoordLocation);\n gl.vertexAttribPointer(texCoordLocation, 2, gl.FLOAT, false, 0, 0);\n\n gl.uniform1i(texLayerLocation, 0);\n gl.uniform1i(texMaskLocation, 1);\n\n smaskCache = cache;\n }\n\n function composeSMask(layer, mask, properties) {\n var width = layer.width, height = layer.height;\n\n if (!smaskCache) {\n initSmaskGL();\n }\n var cache = smaskCache, canvas = cache.canvas, gl = cache.gl;\n canvas.width = width;\n canvas.height = height;\n gl.viewport(0, 0, gl.drawingBufferWidth, gl.drawingBufferHeight);\n gl.uniform2f(cache.resolutionLocation, width, height);\n\n if (properties.backdrop) {\n gl.uniform4f(cache.resolutionLocation, properties.backdrop[0],\n properties.backdrop[1], properties.backdrop[2], 1);\n } else {\n gl.uniform4f(cache.resolutionLocation, 0, 0, 0, 0);\n }\n gl.uniform1i(cache.subtypeLocation,\n properties.subtype === 'Luminosity' ? 1 : 0);\n\n // Create a textures\n var texture = createTexture(gl, layer, gl.TEXTURE0);\n var maskTexture = createTexture(gl, mask, gl.TEXTURE1);\n\n\n // Create a buffer and put a single clipspace rectangle in\n // it (2 triangles)\n var buffer = gl.createBuffer();\n gl.bindBuffer(gl.ARRAY_BUFFER, buffer);\n gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([\n 0, 0,\n width, 0,\n 0, height,\n 0, height,\n width, 0,\n width, height]), gl.STATIC_DRAW);\n gl.enableVertexAttribArray(cache.positionLocation);\n gl.vertexAttribPointer(cache.positionLocation, 2, gl.FLOAT, false, 0, 0);\n\n // draw\n gl.clearColor(0, 0, 0, 0);\n gl.enable(gl.BLEND);\n gl.blendFunc(gl.ONE, gl.ONE_MINUS_SRC_ALPHA);\n gl.clear(gl.COLOR_BUFFER_BIT);\n\n gl.drawArrays(gl.TRIANGLES, 0, 6);\n\n gl.flush();\n\n gl.deleteTexture(texture);\n gl.deleteTexture(maskTexture);\n gl.deleteBuffer(buffer);\n\n return canvas;\n }\n\n var figuresVertexShaderCode = '\\\n attribute vec2 a_position; \\\n attribute vec3 a_color; \\\n \\\n uniform vec2 u_resolution; \\\n uniform vec2 u_scale; \\\n uniform vec2 u_offset; \\\n \\\n varying vec4 v_color; \\\n \\\n void main() { \\\n vec2 position = (a_position + u_offset) * u_scale; \\\n vec2 clipSpace = (position / u_resolution) * 2.0 - 1.0; \\\n gl_Position = vec4(clipSpace * vec2(1, -1), 0, 1); \\\n \\\n v_color = vec4(a_color / 255.0, 1.0); \\\n } ';\n\n var figuresFragmentShaderCode = '\\\n precision mediump float; \\\n \\\n varying vec4 v_color; \\\n \\\n void main() { \\\n gl_FragColor = v_color; \\\n } ';\n\n var figuresCache = null;\n\n function initFiguresGL() {\n var canvas, gl;\n\n generateGL();\n canvas = currentCanvas;\n currentCanvas = null;\n gl = currentGL;\n currentGL = null;\n\n // setup a GLSL program\n var vertexShader = createVertexShader(gl, figuresVertexShaderCode);\n var fragmentShader = createFragmentShader(gl, figuresFragmentShaderCode);\n var program = createProgram(gl, [vertexShader, fragmentShader]);\n gl.useProgram(program);\n\n var cache = {};\n cache.gl = gl;\n cache.canvas = canvas;\n cache.resolutionLocation = gl.getUniformLocation(program, 'u_resolution');\n cache.scaleLocation = gl.getUniformLocation(program, 'u_scale');\n cache.offsetLocation = gl.getUniformLocation(program, 'u_offset');\n cache.positionLocation = gl.getAttribLocation(program, 'a_position');\n cache.colorLocation = gl.getAttribLocation(program, 'a_color');\n\n figuresCache = cache;\n }\n\n function drawFigures(width, height, backgroundColor, figures, context) {\n if (!figuresCache) {\n initFiguresGL();\n }\n var cache = figuresCache, canvas = cache.canvas, gl = cache.gl;\n\n canvas.width = width;\n canvas.height = height;\n gl.viewport(0, 0, gl.drawingBufferWidth, gl.drawingBufferHeight);\n gl.uniform2f(cache.resolutionLocation, width, height);\n\n // count triangle points\n var count = 0;\n var i, ii, rows;\n for (i = 0, ii = figures.length; i < ii; i++) {\n switch (figures[i].type) {\n case 'lattice':\n rows = (figures[i].coords.length / figures[i].verticesPerRow) | 0;\n count += (rows - 1) * (figures[i].verticesPerRow - 1) * 6;\n break;\n case 'triangles':\n count += figures[i].coords.length;\n break;\n }\n }\n // transfer data\n var coords = new Float32Array(count * 2);\n var colors = new Uint8Array(count * 3);\n var coordsMap = context.coords, colorsMap = context.colors;\n var pIndex = 0, cIndex = 0;\n for (i = 0, ii = figures.length; i < ii; i++) {\n var figure = figures[i], ps = figure.coords, cs = figure.colors;\n switch (figure.type) {\n case 'lattice':\n var cols = figure.verticesPerRow;\n rows = (ps.length / cols) | 0;\n for (var row = 1; row < rows; row++) {\n var offset = row * cols + 1;\n for (var col = 1; col < cols; col++, offset++) {\n coords[pIndex] = coordsMap[ps[offset - cols - 1]];\n coords[pIndex + 1] = coordsMap[ps[offset - cols - 1] + 1];\n coords[pIndex + 2] = coordsMap[ps[offset - cols]];\n coords[pIndex + 3] = coordsMap[ps[offset - cols] + 1];\n coords[pIndex + 4] = coordsMap[ps[offset - 1]];\n coords[pIndex + 5] = coordsMap[ps[offset - 1] + 1];\n colors[cIndex] = colorsMap[cs[offset - cols - 1]];\n colors[cIndex + 1] = colorsMap[cs[offset - cols - 1] + 1];\n colors[cIndex + 2] = colorsMap[cs[offset - cols - 1] + 2];\n colors[cIndex + 3] = colorsMap[cs[offset - cols]];\n colors[cIndex + 4] = colorsMap[cs[offset - cols] + 1];\n colors[cIndex + 5] = colorsMap[cs[offset - cols] + 2];\n colors[cIndex + 6] = colorsMap[cs[offset - 1]];\n colors[cIndex + 7] = colorsMap[cs[offset - 1] + 1];\n colors[cIndex + 8] = colorsMap[cs[offset - 1] + 2];\n\n coords[pIndex + 6] = coords[pIndex + 2];\n coords[pIndex + 7] = coords[pIndex + 3];\n coords[pIndex + 8] = coords[pIndex + 4];\n coords[pIndex + 9] = coords[pIndex + 5];\n coords[pIndex + 10] = coordsMap[ps[offset]];\n coords[pIndex + 11] = coordsMap[ps[offset] + 1];\n colors[cIndex + 9] = colors[cIndex + 3];\n colors[cIndex + 10] = colors[cIndex + 4];\n colors[cIndex + 11] = colors[cIndex + 5];\n colors[cIndex + 12] = colors[cIndex + 6];\n colors[cIndex + 13] = colors[cIndex + 7];\n colors[cIndex + 14] = colors[cIndex + 8];\n colors[cIndex + 15] = colorsMap[cs[offset]];\n colors[cIndex + 16] = colorsMap[cs[offset] + 1];\n colors[cIndex + 17] = colorsMap[cs[offset] + 2];\n pIndex += 12;\n cIndex += 18;\n }\n }\n break;\n case 'triangles':\n for (var j = 0, jj = ps.length; j < jj; j++) {\n coords[pIndex] = coordsMap[ps[j]];\n coords[pIndex + 1] = coordsMap[ps[j] + 1];\n colors[cIndex] = colorsMap[cs[j]];\n colors[cIndex + 1] = colorsMap[cs[j] + 1];\n colors[cIndex + 2] = colorsMap[cs[j] + 2];\n pIndex += 2;\n cIndex += 3;\n }\n break;\n }\n }\n\n // draw\n if (backgroundColor) {\n gl.clearColor(backgroundColor[0] / 255, backgroundColor[1] / 255,\n backgroundColor[2] / 255, 1.0);\n } else {\n gl.clearColor(0, 0, 0, 0);\n }\n gl.clear(gl.COLOR_BUFFER_BIT);\n\n var coordsBuffer = gl.createBuffer();\n gl.bindBuffer(gl.ARRAY_BUFFER, coordsBuffer);\n gl.bufferData(gl.ARRAY_BUFFER, coords, gl.STATIC_DRAW);\n gl.enableVertexAttribArray(cache.positionLocation);\n gl.vertexAttribPointer(cache.positionLocation, 2, gl.FLOAT, false, 0, 0);\n\n var colorsBuffer = gl.createBuffer();\n gl.bindBuffer(gl.ARRAY_BUFFER, colorsBuffer);\n gl.bufferData(gl.ARRAY_BUFFER, colors, gl.STATIC_DRAW);\n gl.enableVertexAttribArray(cache.colorLocation);\n gl.vertexAttribPointer(cache.colorLocation, 3, gl.UNSIGNED_BYTE, false,\n 0, 0);\n\n gl.uniform2f(cache.scaleLocation, context.scaleX, context.scaleY);\n gl.uniform2f(cache.offsetLocation, context.offsetX, context.offsetY);\n\n gl.drawArrays(gl.TRIANGLES, 0, count);\n\n gl.flush();\n\n gl.deleteBuffer(coordsBuffer);\n gl.deleteBuffer(colorsBuffer);\n\n return canvas;\n }\n\n function cleanup() {\n if (smaskCache && smaskCache.canvas) {\n smaskCache.canvas.width = 0;\n smaskCache.canvas.height = 0;\n }\n if (figuresCache && figuresCache.canvas) {\n figuresCache.canvas.width = 0;\n figuresCache.canvas.height = 0;\n }\n smaskCache = null;\n figuresCache = null;\n }\n\n return {\n get isEnabled() {\n if (getDefaultSetting('disableWebGL')) {\n return false;\n }\n var enabled = false;\n try {\n generateGL();\n enabled = !!currentGL;\n } catch (e) { }\n return shadow(this, 'isEnabled', enabled);\n },\n composeSMask,\n drawFigures,\n clear: cleanup,\n };\n})();\n\nexport {\n WebGLUtils,\n};\n\n\n\n// WEBPACK FOOTER //\n// src/display/webgl.js","/* Copyright 2015 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport {\n _UnsupportedManager, getDocument, LoopbackPort, PDFDataRangeTransport,\n PDFWorker\n} from './api';\nimport {\n addLinkAttributes, CustomStyle, DEFAULT_LINK_REL, getFilenameFromUrl,\n isExternalLinkTargetSet, isValidUrl, LinkTarget\n} from './dom_utils';\nimport {\n createBlob, createObjectURL, createPromiseCapability, deprecated,\n getVerbosityLevel, globalScope, InvalidPDFException, isLittleEndian,\n MissingPDFException, OPS, PageViewport, PasswordException, PasswordResponses,\n removeNullCharacters, setVerbosityLevel, shadow, UnexpectedResponseException,\n UnknownErrorException, UNSUPPORTED_FEATURES, Util, VERBOSITY_LEVELS, warn\n} from '../shared/util';\nimport { AnnotationLayer } from './annotation_layer';\nimport { Metadata } from './metadata';\nimport { renderTextLayer } from './text_layer';\nimport { SVGGraphics } from './svg';\n\nvar isWorker = (typeof window === 'undefined');\n\n// The global PDFJS object is now deprecated and will not be supported in\n// the future. The members below are maintained for backward compatibility\n// and shall not be extended or modified. If the global.js is included as\n// a module, we will create a global PDFJS object instance or use existing.\nif (!globalScope.PDFJS) {\n globalScope.PDFJS = {};\n}\nvar PDFJS = globalScope.PDFJS;\n\nif (typeof PDFJSDev !== 'undefined') {\n PDFJS.version = PDFJSDev.eval('BUNDLE_VERSION');\n PDFJS.build = PDFJSDev.eval('BUNDLE_BUILD');\n}\n\nPDFJS.pdfBug = false;\n\nif (PDFJS.verbosity !== undefined) {\n setVerbosityLevel(PDFJS.verbosity);\n}\ndelete PDFJS.verbosity;\nObject.defineProperty(PDFJS, 'verbosity', {\n get() {\n return getVerbosityLevel();\n },\n set(level) {\n setVerbosityLevel(level);\n },\n enumerable: true,\n configurable: true,\n});\n\nPDFJS.VERBOSITY_LEVELS = VERBOSITY_LEVELS;\nPDFJS.OPS = OPS;\nPDFJS.UNSUPPORTED_FEATURES = UNSUPPORTED_FEATURES;\nPDFJS.isValidUrl = isValidUrl;\nPDFJS.shadow = shadow;\nPDFJS.createBlob = createBlob;\nPDFJS.createObjectURL = function PDFJS_createObjectURL(data, contentType) {\n return createObjectURL(data, contentType, PDFJS.disableCreateObjectURL);\n};\nObject.defineProperty(PDFJS, 'isLittleEndian', {\n configurable: true,\n get: function PDFJS_isLittleEndian() {\n return shadow(PDFJS, 'isLittleEndian', isLittleEndian());\n },\n});\nPDFJS.removeNullCharacters = removeNullCharacters;\nPDFJS.PasswordResponses = PasswordResponses;\nPDFJS.PasswordException = PasswordException;\nPDFJS.UnknownErrorException = UnknownErrorException;\nPDFJS.InvalidPDFException = InvalidPDFException;\nPDFJS.MissingPDFException = MissingPDFException;\nPDFJS.UnexpectedResponseException = UnexpectedResponseException;\nPDFJS.Util = Util;\nPDFJS.PageViewport = PageViewport;\nPDFJS.createPromiseCapability = createPromiseCapability;\n\n/**\n * The maximum allowed image size in total pixels e.g. width * height. Images\n * above this value will not be drawn. Use -1 for no limit.\n * @var {number}\n */\nPDFJS.maxImageSize = (PDFJS.maxImageSize === undefined ?\n -1 : PDFJS.maxImageSize);\n\n/**\n * The url of where the predefined Adobe CMaps are located. Include trailing\n * slash.\n * @var {string}\n */\nPDFJS.cMapUrl = (PDFJS.cMapUrl === undefined ? null : PDFJS.cMapUrl);\n\n/**\n * Specifies if CMaps are binary packed.\n * @var {boolean}\n */\nPDFJS.cMapPacked = PDFJS.cMapPacked === undefined ? false : PDFJS.cMapPacked;\n\n/**\n * By default fonts are converted to OpenType fonts and loaded via font face\n * rules. If disabled, the font will be rendered using a built in font\n * renderer that constructs the glyphs with primitive path commands.\n * @var {boolean}\n */\nPDFJS.disableFontFace = (PDFJS.disableFontFace === undefined ?\n false : PDFJS.disableFontFace);\n\n/**\n * Path for image resources, mainly for annotation icons. Include trailing\n * slash.\n * @var {string}\n */\nPDFJS.imageResourcesPath = (PDFJS.imageResourcesPath === undefined ?\n '' : PDFJS.imageResourcesPath);\n\n/**\n * Disable the web worker and run all code on the main thread. This will\n * happen automatically if the browser doesn't support workers or sending\n * typed arrays to workers.\n * @var {boolean}\n */\nPDFJS.disableWorker = (PDFJS.disableWorker === undefined ?\n false : PDFJS.disableWorker);\n\n/**\n * Path and filename of the worker file. Required when the worker is enabled\n * in development mode. If unspecified in the production build, the worker\n * will be loaded based on the location of the pdf.js file. It is recommended\n * that the workerSrc is set in a custom application to prevent issues caused\n * by third-party frameworks and libraries.\n * @var {string}\n */\nPDFJS.workerSrc = (PDFJS.workerSrc === undefined ? null : PDFJS.workerSrc);\n\n/**\n * Defines global port for worker process. Overrides workerSrc and\n * disableWorker setting.\n */\nPDFJS.workerPort = (PDFJS.workerPort === undefined ? null : PDFJS.workerPort);\n\n/**\n * Disable range request loading of PDF files. When enabled and if the server\n * supports partial content requests then the PDF will be fetched in chunks.\n * Enabled (false) by default.\n * @var {boolean}\n */\nPDFJS.disableRange = (PDFJS.disableRange === undefined ?\n false : PDFJS.disableRange);\n\n/**\n * Disable streaming of PDF file data. By default PDF.js attempts to load PDF\n * in chunks. This default behavior can be disabled.\n * @var {boolean}\n */\nPDFJS.disableStream = (PDFJS.disableStream === undefined ?\n false : PDFJS.disableStream);\n\n/**\n * Disable pre-fetching of PDF file data. When range requests are enabled\n * PDF.js will automatically keep fetching more data even if it isn't needed\n * to display the current page. This default behavior can be disabled.\n *\n * NOTE: It is also necessary to disable streaming, see above,\n * in order for disabling of pre-fetching to work correctly.\n * @var {boolean}\n */\nPDFJS.disableAutoFetch = (PDFJS.disableAutoFetch === undefined ?\n false : PDFJS.disableAutoFetch);\n\n/**\n * Enables special hooks for debugging PDF.js.\n * @var {boolean}\n */\nPDFJS.pdfBug = (PDFJS.pdfBug === undefined ? false : PDFJS.pdfBug);\n\n/**\n * Enables transfer usage in postMessage for ArrayBuffers.\n * @var {boolean}\n */\nPDFJS.postMessageTransfers = (PDFJS.postMessageTransfers === undefined ?\n true : PDFJS.postMessageTransfers);\n\n/**\n * Disables URL.createObjectURL usage.\n * @var {boolean}\n */\nPDFJS.disableCreateObjectURL = (PDFJS.disableCreateObjectURL === undefined ?\n false : PDFJS.disableCreateObjectURL);\n\n/**\n * Disables WebGL usage.\n * @var {boolean}\n */\nPDFJS.disableWebGL = (PDFJS.disableWebGL === undefined ?\n true : PDFJS.disableWebGL);\n\n/**\n * Specifies the |target| attribute for external links.\n * The constants from PDFJS.LinkTarget should be used:\n * - NONE [default]\n * - SELF\n * - BLANK\n * - PARENT\n * - TOP\n * @var {number}\n */\nPDFJS.externalLinkTarget = (PDFJS.externalLinkTarget === undefined ?\n LinkTarget.NONE : PDFJS.externalLinkTarget);\n\n/**\n * Specifies the |rel| attribute for external links. Defaults to stripping\n * the referrer.\n * @var {string}\n */\nPDFJS.externalLinkRel = (PDFJS.externalLinkRel === undefined ?\n DEFAULT_LINK_REL : PDFJS.externalLinkRel);\n\n/**\n * Determines if we can eval strings as JS. Primarily used to improve\n * performance for font rendering.\n * @var {boolean}\n */\nPDFJS.isEvalSupported = (PDFJS.isEvalSupported === undefined ?\n true : PDFJS.isEvalSupported);\n\n/**\n * Opt-in to backwards incompatible API changes. NOTE:\n * If the `PDFJS_NEXT` build flag is set, it will override this setting.\n * @var {boolean}\n */\nPDFJS.pdfjsNext = (PDFJS.pdfjsNext === undefined) ? false : PDFJS.pdfjsNext;\n\nif (typeof PDFJSDev === 'undefined' || !PDFJSDev.test('MOZCENTRAL')) {\n var savedOpenExternalLinksInNewWindow = PDFJS.openExternalLinksInNewWindow;\n delete PDFJS.openExternalLinksInNewWindow;\n Object.defineProperty(PDFJS, 'openExternalLinksInNewWindow', {\n get() {\n return PDFJS.externalLinkTarget === LinkTarget.BLANK;\n },\n set(value) {\n if (value) {\n deprecated('PDFJS.openExternalLinksInNewWindow, please use ' +\n '\"PDFJS.externalLinkTarget = PDFJS.LinkTarget.BLANK\" instead.');\n }\n if (PDFJS.externalLinkTarget !== LinkTarget.NONE) {\n warn('PDFJS.externalLinkTarget is already initialized');\n return;\n }\n PDFJS.externalLinkTarget = value ? LinkTarget.BLANK : LinkTarget.NONE;\n },\n enumerable: true,\n configurable: true,\n });\n if (savedOpenExternalLinksInNewWindow) {\n /**\n * (Deprecated) Opens external links in a new window if enabled.\n * The default behavior opens external links in the PDF.js window.\n *\n * NOTE: This property has been deprecated, please use\n * `PDFJS.externalLinkTarget = PDFJS.LinkTarget.BLANK` instead.\n * @var {boolean}\n */\n PDFJS.openExternalLinksInNewWindow = savedOpenExternalLinksInNewWindow;\n }\n}\n\nPDFJS.getDocument = getDocument;\nPDFJS.LoopbackPort = LoopbackPort;\nPDFJS.PDFDataRangeTransport = PDFDataRangeTransport;\nPDFJS.PDFWorker = PDFWorker;\n\nPDFJS.hasCanvasTypedArrays = true; // compatibility.js ensures this invariant\nPDFJS.CustomStyle = CustomStyle;\nPDFJS.LinkTarget = LinkTarget;\nPDFJS.addLinkAttributes = addLinkAttributes;\nPDFJS.getFilenameFromUrl = getFilenameFromUrl;\nPDFJS.isExternalLinkTargetSet = isExternalLinkTargetSet;\n\nPDFJS.AnnotationLayer = AnnotationLayer;\n\nPDFJS.renderTextLayer = renderTextLayer;\n\nPDFJS.Metadata = Metadata;\n\nPDFJS.SVGGraphics = SVGGraphics;\n\nPDFJS.UnsupportedManager = _UnsupportedManager;\n\nexport {\n globalScope,\n isWorker,\n PDFJS,\n};\n\n\n\n// WEBPACK FOOTER //\n// src/display/global.js","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport {\n assert, createPromiseCapability, globalScope, isInt, MissingPDFException,\n UnexpectedResponseException\n} from '../shared/util';\nimport { setPDFNetworkStreamClass } from './api';\n\nif (typeof PDFJSDev !== 'undefined' && PDFJSDev.test('FIREFOX || MOZCENTRAL')) {\n throw new Error('Module \"./network\" shall not ' +\n 'be used with FIREFOX or MOZCENTRAL build.');\n}\n\nvar OK_RESPONSE = 200;\nvar PARTIAL_CONTENT_RESPONSE = 206;\n\nfunction NetworkManager(url, args) {\n this.url = url;\n args = args || {};\n this.isHttp = /^https?:/i.test(url);\n this.httpHeaders = (this.isHttp && args.httpHeaders) || {};\n this.withCredentials = args.withCredentials || false;\n this.getXhr = args.getXhr ||\n function NetworkManager_getXhr() {\n return new XMLHttpRequest();\n };\n\n this.currXhrId = 0;\n this.pendingRequests = Object.create(null);\n this.loadedRequests = Object.create(null);\n}\n\nfunction getArrayBuffer(xhr) {\n var data = xhr.response;\n if (typeof data !== 'string') {\n return data;\n }\n var length = data.length;\n var array = new Uint8Array(length);\n for (var i = 0; i < length; i++) {\n array[i] = data.charCodeAt(i) & 0xFF;\n }\n return array.buffer;\n}\n\nvar supportsMozChunked =\n typeof PDFJSDev !== 'undefined' && PDFJSDev.test('CHROME') ? false :\n (function supportsMozChunkedClosure() {\n try {\n var x = new XMLHttpRequest();\n // Firefox 37- required .open() to be called before setting responseType.\n // https://bugzilla.mozilla.org/show_bug.cgi?id=707484\n // Even though the URL is not visited, .open() could fail if the URL is\n // blocked, e.g. via the connect-src CSP directive or the NoScript addon.\n // When this error occurs, this feature detection method will mistakenly\n // report that moz-chunked-arraybuffer is not supported in Firefox 37-.\n x.open('GET', globalScope.location.href);\n x.responseType = 'moz-chunked-arraybuffer';\n return x.responseType === 'moz-chunked-arraybuffer';\n } catch (e) {\n return false;\n }\n})();\n\nNetworkManager.prototype = {\n requestRange: function NetworkManager_requestRange(begin, end, listeners) {\n var args = {\n begin,\n end,\n };\n for (var prop in listeners) {\n args[prop] = listeners[prop];\n }\n return this.request(args);\n },\n\n requestFull: function NetworkManager_requestFull(listeners) {\n return this.request(listeners);\n },\n\n request: function NetworkManager_request(args) {\n var xhr = this.getXhr();\n var xhrId = this.currXhrId++;\n var pendingRequest = this.pendingRequests[xhrId] = {\n xhr,\n };\n\n xhr.open('GET', this.url);\n xhr.withCredentials = this.withCredentials;\n for (var property in this.httpHeaders) {\n var value = this.httpHeaders[property];\n if (typeof value === 'undefined') {\n continue;\n }\n xhr.setRequestHeader(property, value);\n }\n if (this.isHttp && 'begin' in args && 'end' in args) {\n var rangeStr = args.begin + '-' + (args.end - 1);\n xhr.setRequestHeader('Range', 'bytes=' + rangeStr);\n pendingRequest.expectedStatus = 206;\n } else {\n pendingRequest.expectedStatus = 200;\n }\n\n var useMozChunkedLoading = supportsMozChunked && !!args.onProgressiveData;\n if (useMozChunkedLoading) {\n xhr.responseType = 'moz-chunked-arraybuffer';\n pendingRequest.onProgressiveData = args.onProgressiveData;\n pendingRequest.mozChunked = true;\n } else {\n xhr.responseType = 'arraybuffer';\n }\n\n if (args.onError) {\n xhr.onerror = function(evt) {\n args.onError(xhr.status);\n };\n }\n xhr.onreadystatechange = this.onStateChange.bind(this, xhrId);\n xhr.onprogress = this.onProgress.bind(this, xhrId);\n\n pendingRequest.onHeadersReceived = args.onHeadersReceived;\n pendingRequest.onDone = args.onDone;\n pendingRequest.onError = args.onError;\n pendingRequest.onProgress = args.onProgress;\n\n xhr.send(null);\n\n return xhrId;\n },\n\n onProgress: function NetworkManager_onProgress(xhrId, evt) {\n var pendingRequest = this.pendingRequests[xhrId];\n if (!pendingRequest) {\n // Maybe abortRequest was called...\n return;\n }\n\n if (pendingRequest.mozChunked) {\n var chunk = getArrayBuffer(pendingRequest.xhr);\n pendingRequest.onProgressiveData(chunk);\n }\n\n var onProgress = pendingRequest.onProgress;\n if (onProgress) {\n onProgress(evt);\n }\n },\n\n onStateChange: function NetworkManager_onStateChange(xhrId, evt) {\n var pendingRequest = this.pendingRequests[xhrId];\n if (!pendingRequest) {\n // Maybe abortRequest was called...\n return;\n }\n\n var xhr = pendingRequest.xhr;\n if (xhr.readyState >= 2 && pendingRequest.onHeadersReceived) {\n pendingRequest.onHeadersReceived();\n delete pendingRequest.onHeadersReceived;\n }\n\n if (xhr.readyState !== 4) {\n return;\n }\n\n if (!(xhrId in this.pendingRequests)) {\n // The XHR request might have been aborted in onHeadersReceived()\n // callback, in which case we should abort request\n return;\n }\n\n delete this.pendingRequests[xhrId];\n\n // success status == 0 can be on ftp, file and other protocols\n if (xhr.status === 0 && this.isHttp) {\n if (pendingRequest.onError) {\n pendingRequest.onError(xhr.status);\n }\n return;\n }\n var xhrStatus = xhr.status || OK_RESPONSE;\n\n // From http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.35.2:\n // \"A server MAY ignore the Range header\". This means it's possible to\n // get a 200 rather than a 206 response from a range request.\n var ok_response_on_range_request =\n xhrStatus === OK_RESPONSE &&\n pendingRequest.expectedStatus === PARTIAL_CONTENT_RESPONSE;\n\n if (!ok_response_on_range_request &&\n xhrStatus !== pendingRequest.expectedStatus) {\n if (pendingRequest.onError) {\n pendingRequest.onError(xhr.status);\n }\n return;\n }\n\n this.loadedRequests[xhrId] = true;\n\n var chunk = getArrayBuffer(xhr);\n if (xhrStatus === PARTIAL_CONTENT_RESPONSE) {\n var rangeHeader = xhr.getResponseHeader('Content-Range');\n var matches = /bytes (\\d+)-(\\d+)\\/(\\d+)/.exec(rangeHeader);\n var begin = parseInt(matches[1], 10);\n pendingRequest.onDone({\n begin,\n chunk,\n });\n } else if (pendingRequest.onProgressiveData) {\n pendingRequest.onDone(null);\n } else if (chunk) {\n pendingRequest.onDone({\n begin: 0,\n chunk,\n });\n } else if (pendingRequest.onError) {\n pendingRequest.onError(xhr.status);\n }\n },\n\n hasPendingRequests: function NetworkManager_hasPendingRequests() {\n for (var xhrId in this.pendingRequests) {\n return true;\n }\n return false;\n },\n\n getRequestXhr: function NetworkManager_getXhr(xhrId) {\n return this.pendingRequests[xhrId].xhr;\n },\n\n isStreamingRequest: function NetworkManager_isStreamingRequest(xhrId) {\n return !!(this.pendingRequests[xhrId].onProgressiveData);\n },\n\n isPendingRequest: function NetworkManager_isPendingRequest(xhrId) {\n return xhrId in this.pendingRequests;\n },\n\n isLoadedRequest: function NetworkManager_isLoadedRequest(xhrId) {\n return xhrId in this.loadedRequests;\n },\n\n abortAllRequests: function NetworkManager_abortAllRequests() {\n for (var xhrId in this.pendingRequests) {\n this.abortRequest(xhrId | 0);\n }\n },\n\n abortRequest: function NetworkManager_abortRequest(xhrId) {\n var xhr = this.pendingRequests[xhrId].xhr;\n delete this.pendingRequests[xhrId];\n xhr.abort();\n },\n};\n\n/** @implements {IPDFStream} */\nfunction PDFNetworkStream(options) {\n this._options = options;\n var source = options.source;\n this._manager = new NetworkManager(source.url, {\n httpHeaders: source.httpHeaders,\n withCredentials: source.withCredentials,\n });\n this._rangeChunkSize = source.rangeChunkSize;\n this._fullRequestReader = null;\n this._rangeRequestReaders = [];\n}\n\nPDFNetworkStream.prototype = {\n _onRangeRequestReaderClosed:\n function PDFNetworkStream_onRangeRequestReaderClosed(reader) {\n var i = this._rangeRequestReaders.indexOf(reader);\n if (i >= 0) {\n this._rangeRequestReaders.splice(i, 1);\n }\n },\n\n getFullReader: function PDFNetworkStream_getFullReader() {\n assert(!this._fullRequestReader);\n this._fullRequestReader =\n new PDFNetworkStreamFullRequestReader(this._manager, this._options);\n return this._fullRequestReader;\n },\n\n getRangeReader: function PDFNetworkStream_getRangeReader(begin, end) {\n var reader = new PDFNetworkStreamRangeRequestReader(this._manager,\n begin, end);\n reader.onClosed = this._onRangeRequestReaderClosed.bind(this);\n this._rangeRequestReaders.push(reader);\n return reader;\n },\n\n cancelAllRequests: function PDFNetworkStream_cancelAllRequests(reason) {\n if (this._fullRequestReader) {\n this._fullRequestReader.cancel(reason);\n }\n var readers = this._rangeRequestReaders.slice(0);\n readers.forEach(function (reader) {\n reader.cancel(reason);\n });\n },\n};\n\n/** @implements {IPDFStreamReader} */\nfunction PDFNetworkStreamFullRequestReader(manager, options) {\n this._manager = manager;\n\n var source = options.source;\n var args = {\n onHeadersReceived: this._onHeadersReceived.bind(this),\n onProgressiveData: source.disableStream ? null :\n this._onProgressiveData.bind(this),\n onDone: this._onDone.bind(this),\n onError: this._onError.bind(this),\n onProgress: this._onProgress.bind(this),\n };\n this._url = source.url;\n this._fullRequestId = manager.requestFull(args);\n this._headersReceivedCapability = createPromiseCapability();\n this._disableRange = options.disableRange || false;\n this._contentLength = source.length; // optional\n this._rangeChunkSize = source.rangeChunkSize;\n if (!this._rangeChunkSize && !this._disableRange) {\n this._disableRange = true;\n }\n\n this._isStreamingSupported = false;\n this._isRangeSupported = false;\n\n this._cachedChunks = [];\n this._requests = [];\n this._done = false;\n this._storedError = undefined;\n\n this.onProgress = null;\n}\n\nPDFNetworkStreamFullRequestReader.prototype = {\n _validateRangeRequestCapabilities: function\n PDFNetworkStreamFullRequestReader_validateRangeRequestCapabilities() {\n\n if (this._disableRange) {\n return false;\n }\n\n var networkManager = this._manager;\n if (!networkManager.isHttp) {\n return false;\n }\n var fullRequestXhrId = this._fullRequestId;\n var fullRequestXhr = networkManager.getRequestXhr(fullRequestXhrId);\n if (fullRequestXhr.getResponseHeader('Accept-Ranges') !== 'bytes') {\n return false;\n }\n\n var contentEncoding =\n fullRequestXhr.getResponseHeader('Content-Encoding') || 'identity';\n if (contentEncoding !== 'identity') {\n return false;\n }\n\n var length = fullRequestXhr.getResponseHeader('Content-Length');\n length = parseInt(length, 10);\n if (!isInt(length)) {\n return false;\n }\n\n this._contentLength = length; // setting right content length\n\n if (length <= 2 * this._rangeChunkSize) {\n // The file size is smaller than the size of two chunks, so it does\n // not make any sense to abort the request and retry with a range\n // request.\n return false;\n }\n\n return true;\n },\n\n _onHeadersReceived:\n function PDFNetworkStreamFullRequestReader_onHeadersReceived() {\n\n if (this._validateRangeRequestCapabilities()) {\n this._isRangeSupported = true;\n }\n\n var networkManager = this._manager;\n var fullRequestXhrId = this._fullRequestId;\n if (networkManager.isStreamingRequest(fullRequestXhrId)) {\n // We can continue fetching when progressive loading is enabled,\n // and we don't need the autoFetch feature.\n this._isStreamingSupported = true;\n } else if (this._isRangeSupported) {\n // NOTE: by cancelling the full request, and then issuing range\n // requests, there will be an issue for sites where you can only\n // request the pdf once. However, if this is the case, then the\n // server should not be returning that it can support range\n // requests.\n networkManager.abortRequest(fullRequestXhrId);\n }\n\n this._headersReceivedCapability.resolve();\n },\n\n _onProgressiveData:\n function PDFNetworkStreamFullRequestReader_onProgressiveData(chunk) {\n if (this._requests.length > 0) {\n var requestCapability = this._requests.shift();\n requestCapability.resolve({ value: chunk, done: false, });\n } else {\n this._cachedChunks.push(chunk);\n }\n },\n\n _onDone: function PDFNetworkStreamFullRequestReader_onDone(args) {\n if (args) {\n this._onProgressiveData(args.chunk);\n }\n this._done = true;\n if (this._cachedChunks.length > 0) {\n return;\n }\n this._requests.forEach(function (requestCapability) {\n requestCapability.resolve({ value: undefined, done: true, });\n });\n this._requests = [];\n },\n\n _onError: function PDFNetworkStreamFullRequestReader_onError(status) {\n var url = this._url;\n var exception;\n if (status === 404 || status === 0 && /^file:/.test(url)) {\n exception = new MissingPDFException('Missing PDF \"' + url + '\".');\n } else {\n exception = new UnexpectedResponseException(\n 'Unexpected server response (' + status +\n ') while retrieving PDF \"' + url + '\".', status);\n }\n this._storedError = exception;\n this._headersReceivedCapability.reject(exception);\n this._requests.forEach(function (requestCapability) {\n requestCapability.reject(exception);\n });\n this._requests = [];\n this._cachedChunks = [];\n },\n\n _onProgress: function PDFNetworkStreamFullRequestReader_onProgress(data) {\n if (this.onProgress) {\n this.onProgress({\n loaded: data.loaded,\n total: data.lengthComputable ? data.total : this._contentLength,\n });\n }\n },\n\n get isRangeSupported() {\n return this._isRangeSupported;\n },\n\n get isStreamingSupported() {\n return this._isStreamingSupported;\n },\n\n get contentLength() {\n return this._contentLength;\n },\n\n get headersReady() {\n return this._headersReceivedCapability.promise;\n },\n\n read: function PDFNetworkStreamFullRequestReader_read() {\n if (this._storedError) {\n return Promise.reject(this._storedError);\n }\n if (this._cachedChunks.length > 0) {\n var chunk = this._cachedChunks.shift();\n return Promise.resolve({ value: chunk, done: false, });\n }\n if (this._done) {\n return Promise.resolve({ value: undefined, done: true, });\n }\n var requestCapability = createPromiseCapability();\n this._requests.push(requestCapability);\n return requestCapability.promise;\n },\n\n cancel: function PDFNetworkStreamFullRequestReader_cancel(reason) {\n this._done = true;\n this._headersReceivedCapability.reject(reason);\n this._requests.forEach(function (requestCapability) {\n requestCapability.resolve({ value: undefined, done: true, });\n });\n this._requests = [];\n if (this._manager.isPendingRequest(this._fullRequestId)) {\n this._manager.abortRequest(this._fullRequestId);\n }\n this._fullRequestReader = null;\n },\n};\n\n/** @implements {IPDFStreamRangeReader} */\nfunction PDFNetworkStreamRangeRequestReader(manager, begin, end) {\n this._manager = manager;\n var args = {\n onDone: this._onDone.bind(this),\n onProgress: this._onProgress.bind(this),\n };\n this._requestId = manager.requestRange(begin, end, args);\n this._requests = [];\n this._queuedChunk = null;\n this._done = false;\n\n this.onProgress = null;\n this.onClosed = null;\n}\n\nPDFNetworkStreamRangeRequestReader.prototype = {\n _close: function PDFNetworkStreamRangeRequestReader_close() {\n if (this.onClosed) {\n this.onClosed(this);\n }\n },\n\n _onDone: function PDFNetworkStreamRangeRequestReader_onDone(data) {\n var chunk = data.chunk;\n if (this._requests.length > 0) {\n var requestCapability = this._requests.shift();\n requestCapability.resolve({ value: chunk, done: false, });\n } else {\n this._queuedChunk = chunk;\n }\n this._done = true;\n this._requests.forEach(function (requestCapability) {\n requestCapability.resolve({ value: undefined, done: true, });\n });\n this._requests = [];\n this._close();\n },\n\n _onProgress: function PDFNetworkStreamRangeRequestReader_onProgress(evt) {\n if (!this.isStreamingSupported && this.onProgress) {\n this.onProgress({\n loaded: evt.loaded,\n });\n }\n },\n\n get isStreamingSupported() {\n return false; // TODO allow progressive range bytes loading\n },\n\n read: function PDFNetworkStreamRangeRequestReader_read() {\n if (this._queuedChunk !== null) {\n var chunk = this._queuedChunk;\n this._queuedChunk = null;\n return Promise.resolve({ value: chunk, done: false, });\n }\n if (this._done) {\n return Promise.resolve({ value: undefined, done: true, });\n }\n var requestCapability = createPromiseCapability();\n this._requests.push(requestCapability);\n return requestCapability.promise;\n },\n\n cancel: function PDFNetworkStreamRangeRequestReader_cancel(reason) {\n this._done = true;\n this._requests.forEach(function (requestCapability) {\n requestCapability.resolve({ value: undefined, done: true, });\n });\n this._requests = [];\n if (this._manager.isPendingRequest(this._requestId)) {\n this._manager.abortRequest(this._requestId);\n }\n this._close();\n },\n};\n\nsetPDFNetworkStreamClass(PDFNetworkStream);\n\nexport {\n PDFNetworkStream,\n NetworkManager,\n};\n\n\n\n// WEBPACK FOOTER //\n// src/display/network.js","/*\n * To the extent possible under law, the authors have dedicated all copyright\n * and related and neighboring rights to this software to the public\n * domain worldwide. This software is distributed without any warranty.\n *\n * You should have received a copy of the CC0 Public Domain Dedication along\n * with this software. If not, see https://creativecommons.org/publicdomain/zero/1.0/.\n */\n\n(function(e, a) { for(var i in a) e[i] = a[i]; }(exports, /******/ (function(modules) { // webpackBootstrap\n/******/ // The module cache\n/******/ var installedModules = {};\n/******/\n/******/ // The require function\n/******/ function __w_pdfjs_require__(moduleId) {\n/******/\n/******/ // Check if module is in cache\n/******/ if(installedModules[moduleId])\n/******/ return installedModules[moduleId].exports;\n/******/\n/******/ // Create a new module (and put it into the cache)\n/******/ var module = installedModules[moduleId] = {\n/******/ i: moduleId,\n/******/ l: false,\n/******/ exports: {}\n/******/ };\n/******/\n/******/ // Execute the module function\n/******/ modules[moduleId].call(module.exports, module, module.exports, __w_pdfjs_require__);\n/******/\n/******/ // Flag the module as loaded\n/******/ module.l = true;\n/******/\n/******/ // Return the exports of the module\n/******/ return module.exports;\n/******/ }\n/******/\n/******/\n/******/ // expose the modules object (__webpack_modules__)\n/******/ __w_pdfjs_require__.m = modules;\n/******/\n/******/ // expose the module cache\n/******/ __w_pdfjs_require__.c = installedModules;\n/******/\n/******/ // identity function for calling harmony imports with the correct context\n/******/ __w_pdfjs_require__.i = function(value) { return value; };\n/******/\n/******/ // define getter function for harmony exports\n/******/ __w_pdfjs_require__.d = function(exports, name, getter) {\n/******/ if(!__w_pdfjs_require__.o(exports, name)) {\n/******/ Object.defineProperty(exports, name, {\n/******/ configurable: false,\n/******/ enumerable: true,\n/******/ get: getter\n/******/ });\n/******/ }\n/******/ };\n/******/\n/******/ // getDefaultExport function for compatibility with non-harmony modules\n/******/ __w_pdfjs_require__.n = function(module) {\n/******/ var getter = module && module.__esModule ?\n/******/ function getDefault() { return module['default']; } :\n/******/ function getModuleExports() { return module; };\n/******/ __w_pdfjs_require__.d(getter, 'a', getter);\n/******/ return getter;\n/******/ };\n/******/\n/******/ // Object.prototype.hasOwnProperty.call\n/******/ __w_pdfjs_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };\n/******/\n/******/ // __webpack_public_path__\n/******/ __w_pdfjs_require__.p = \"\";\n/******/\n/******/ // Load entry module and return exports\n/******/ return __w_pdfjs_require__(__w_pdfjs_require__.s = 7);\n/******/ })\n/************************************************************************/\n/******/ ([\n/* 0 */\n/***/ (function(module, exports, __w_pdfjs_require__) {\n\n\"use strict\";\n\n\nvar _typeof = typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; };\n\nvar _require = __w_pdfjs_require__(1),\n assert = _require.assert;\n\nfunction IsPropertyKey(argument) {\n return typeof argument === 'string' || (typeof argument === 'undefined' ? 'undefined' : _typeof(argument)) === 'symbol';\n}\n\nexports.typeIsObject = function (x) {\n return (typeof x === 'undefined' ? 'undefined' : _typeof(x)) === 'object' && x !== null || typeof x === 'function';\n};\n\nexports.createDataProperty = function (o, p, v) {\n assert(exports.typeIsObject(o));\n Object.defineProperty(o, p, { value: v, writable: true, enumerable: true, configurable: true });\n};\n\nexports.createArrayFromList = function (elements) {\n // We use arrays to represent lists, so this is basically a no-op.\n // Do a slice though just in case we happen to depend on the unique-ness.\n return elements.slice();\n};\n\nexports.ArrayBufferCopy = function (dest, destOffset, src, srcOffset, n) {\n new Uint8Array(dest).set(new Uint8Array(src, srcOffset, n), destOffset);\n};\n\nexports.CreateIterResultObject = function (value, done) {\n assert(typeof done === 'boolean');\n var obj = {};\n Object.defineProperty(obj, 'value', { value: value, enumerable: true, writable: true, configurable: true });\n Object.defineProperty(obj, 'done', { value: done, enumerable: true, writable: true, configurable: true });\n return obj;\n};\n\nexports.IsFiniteNonNegativeNumber = function (v) {\n if (Number.isNaN(v)) {\n return false;\n }\n if (v === Infinity) {\n return false;\n }\n if (v < 0) {\n return false;\n }\n\n return true;\n};\n\nfunction Call(F, V, args) {\n if (typeof F !== 'function') {\n throw new TypeError('Argument is not a function');\n }\n\n return Function.prototype.apply.call(F, V, args);\n}\n\nexports.InvokeOrNoop = function (O, P, args) {\n assert(O !== undefined);\n assert(IsPropertyKey(P));\n assert(Array.isArray(args));\n\n var method = O[P];\n if (method === undefined) {\n return undefined;\n }\n\n return Call(method, O, args);\n};\n\nexports.PromiseInvokeOrNoop = function (O, P, args) {\n assert(O !== undefined);\n assert(IsPropertyKey(P));\n assert(Array.isArray(args));\n try {\n return Promise.resolve(exports.InvokeOrNoop(O, P, args));\n } catch (returnValueE) {\n return Promise.reject(returnValueE);\n }\n};\n\nexports.PromiseInvokeOrPerformFallback = function (O, P, args, F, argsF) {\n assert(O !== undefined);\n assert(IsPropertyKey(P));\n assert(Array.isArray(args));\n assert(Array.isArray(argsF));\n\n var method = void 0;\n try {\n method = O[P];\n } catch (methodE) {\n return Promise.reject(methodE);\n }\n\n if (method === undefined) {\n return F.apply(null, argsF);\n }\n\n try {\n return Promise.resolve(Call(method, O, args));\n } catch (e) {\n return Promise.reject(e);\n }\n};\n\n// Not implemented correctly\nexports.TransferArrayBuffer = function (O) {\n return O.slice();\n};\n\nexports.ValidateAndNormalizeHighWaterMark = function (highWaterMark) {\n highWaterMark = Number(highWaterMark);\n if (Number.isNaN(highWaterMark) || highWaterMark < 0) {\n throw new RangeError('highWaterMark property of a queuing strategy must be non-negative and non-NaN');\n }\n\n return highWaterMark;\n};\n\nexports.ValidateAndNormalizeQueuingStrategy = function (size, highWaterMark) {\n if (size !== undefined && typeof size !== 'function') {\n throw new TypeError('size property of a queuing strategy must be a function');\n }\n\n highWaterMark = exports.ValidateAndNormalizeHighWaterMark(highWaterMark);\n\n return { size: size, highWaterMark: highWaterMark };\n};\n\n/***/ }),\n/* 1 */\n/***/ (function(module, exports, __w_pdfjs_require__) {\n\n\"use strict\";\n\n\nfunction rethrowAssertionErrorRejection(e) {\n // Used throughout the reference implementation, as `.catch(rethrowAssertionErrorRejection)`, to ensure any errors\n // get shown. There are places in the spec where we do promise transformations and purposefully ignore or don't\n // expect any errors, but assertion errors are always problematic.\n if (e && e.constructor === AssertionError) {\n setTimeout(function () {\n throw e;\n }, 0);\n }\n};\n\nfunction AssertionError(message) {\n this.name = 'AssertionError';\n this.message = message || '';\n this.stack = new Error().stack;\n}\nAssertionError.prototype = Object.create(Error.prototype);\nAssertionError.prototype.constructor = AssertionError;\n\nfunction assert(value, message) {\n if (!value) {\n throw new AssertionError(message);\n }\n}\n\nmodule.exports = {\n rethrowAssertionErrorRejection: rethrowAssertionErrorRejection,\n AssertionError: AssertionError,\n assert: assert\n};\n\n/***/ }),\n/* 2 */\n/***/ (function(module, exports, __w_pdfjs_require__) {\n\n\"use strict\";\n\n\nvar _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nvar _require = __w_pdfjs_require__(0),\n InvokeOrNoop = _require.InvokeOrNoop,\n PromiseInvokeOrNoop = _require.PromiseInvokeOrNoop,\n ValidateAndNormalizeQueuingStrategy = _require.ValidateAndNormalizeQueuingStrategy,\n typeIsObject = _require.typeIsObject;\n\nvar _require2 = __w_pdfjs_require__(1),\n assert = _require2.assert,\n rethrowAssertionErrorRejection = _require2.rethrowAssertionErrorRejection;\n\nvar _require3 = __w_pdfjs_require__(3),\n DequeueValue = _require3.DequeueValue,\n EnqueueValueWithSize = _require3.EnqueueValueWithSize,\n PeekQueueValue = _require3.PeekQueueValue,\n ResetQueue = _require3.ResetQueue;\n\nvar WritableStream = function () {\n function WritableStream() {\n var underlyingSink = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};\n\n var _ref = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {},\n size = _ref.size,\n _ref$highWaterMark = _ref.highWaterMark,\n highWaterMark = _ref$highWaterMark === undefined ? 1 : _ref$highWaterMark;\n\n _classCallCheck(this, WritableStream);\n\n this._state = 'writable';\n\n // The error that will be reported by new method calls once the state becomes errored. Only set when [[state]] is\n // 'erroring' or 'errored'. May be set to an undefined value.\n this._storedError = undefined;\n\n this._writer = undefined;\n\n // Initialize to undefined first because the constructor of the controller checks this\n // variable to validate the caller.\n this._writableStreamController = undefined;\n\n // This queue is placed here instead of the writer class in order to allow for passing a writer to the next data\n // producer without waiting for the queued writes to finish.\n this._writeRequests = [];\n\n // Write requests are removed from _writeRequests when write() is called on the underlying sink. This prevents\n // them from being erroneously rejected on error. If a write() call is in-flight, the request is stored here.\n this._inFlightWriteRequest = undefined;\n\n // The promise that was returned from writer.close(). Stored here because it may be fulfilled after the writer\n // has been detached.\n this._closeRequest = undefined;\n\n // Close request is removed from _closeRequest when close() is called on the underlying sink. This prevents it\n // from being erroneously rejected on error. If a close() call is in-flight, the request is stored here.\n this._inFlightCloseRequest = undefined;\n\n // The promise that was returned from writer.abort(). This may also be fulfilled after the writer has detached.\n this._pendingAbortRequest = undefined;\n\n // The backpressure signal set by the controller.\n this._backpressure = false;\n\n var type = underlyingSink.type;\n\n if (type !== undefined) {\n throw new RangeError('Invalid type is specified');\n }\n\n this._writableStreamController = new WritableStreamDefaultController(this, underlyingSink, size, highWaterMark);\n this._writableStreamController.__startSteps();\n }\n\n _createClass(WritableStream, [{\n key: 'abort',\n value: function abort(reason) {\n if (IsWritableStream(this) === false) {\n return Promise.reject(streamBrandCheckException('abort'));\n }\n\n if (IsWritableStreamLocked(this) === true) {\n return Promise.reject(new TypeError('Cannot abort a stream that already has a writer'));\n }\n\n return WritableStreamAbort(this, reason);\n }\n }, {\n key: 'getWriter',\n value: function getWriter() {\n if (IsWritableStream(this) === false) {\n throw streamBrandCheckException('getWriter');\n }\n\n return AcquireWritableStreamDefaultWriter(this);\n }\n }, {\n key: 'locked',\n get: function get() {\n if (IsWritableStream(this) === false) {\n throw streamBrandCheckException('locked');\n }\n\n return IsWritableStreamLocked(this);\n }\n }]);\n\n return WritableStream;\n}();\n\nmodule.exports = {\n AcquireWritableStreamDefaultWriter: AcquireWritableStreamDefaultWriter,\n IsWritableStream: IsWritableStream,\n IsWritableStreamLocked: IsWritableStreamLocked,\n WritableStream: WritableStream,\n WritableStreamAbort: WritableStreamAbort,\n WritableStreamDefaultControllerError: WritableStreamDefaultControllerError,\n WritableStreamDefaultWriterCloseWithErrorPropagation: WritableStreamDefaultWriterCloseWithErrorPropagation,\n WritableStreamDefaultWriterRelease: WritableStreamDefaultWriterRelease,\n WritableStreamDefaultWriterWrite: WritableStreamDefaultWriterWrite,\n WritableStreamCloseQueuedOrInFlight: WritableStreamCloseQueuedOrInFlight\n};\n\n// Abstract operations for the WritableStream.\n\nfunction AcquireWritableStreamDefaultWriter(stream) {\n return new WritableStreamDefaultWriter(stream);\n}\n\nfunction IsWritableStream(x) {\n if (!typeIsObject(x)) {\n return false;\n }\n\n if (!Object.prototype.hasOwnProperty.call(x, '_writableStreamController')) {\n return false;\n }\n\n return true;\n}\n\nfunction IsWritableStreamLocked(stream) {\n assert(IsWritableStream(stream) === true, 'IsWritableStreamLocked should only be used on known writable streams');\n\n if (stream._writer === undefined) {\n return false;\n }\n\n return true;\n}\n\nfunction WritableStreamAbort(stream, reason) {\n var state = stream._state;\n if (state === 'closed') {\n return Promise.resolve(undefined);\n }\n if (state === 'errored') {\n return Promise.reject(stream._storedError);\n }\n var error = new TypeError('Requested to abort');\n if (stream._pendingAbortRequest !== undefined) {\n return Promise.reject(error);\n }\n\n assert(state === 'writable' || state === 'erroring', 'state must be writable or erroring');\n\n var wasAlreadyErroring = false;\n if (state === 'erroring') {\n wasAlreadyErroring = true;\n // reason will not be used, so don't keep a reference to it.\n reason = undefined;\n }\n\n var promise = new Promise(function (resolve, reject) {\n stream._pendingAbortRequest = {\n _resolve: resolve,\n _reject: reject,\n _reason: reason,\n _wasAlreadyErroring: wasAlreadyErroring\n };\n });\n\n if (wasAlreadyErroring === false) {\n WritableStreamStartErroring(stream, error);\n }\n\n return promise;\n}\n\n// WritableStream API exposed for controllers.\n\nfunction WritableStreamAddWriteRequest(stream) {\n assert(IsWritableStreamLocked(stream) === true);\n assert(stream._state === 'writable');\n\n var promise = new Promise(function (resolve, reject) {\n var writeRequest = {\n _resolve: resolve,\n _reject: reject\n };\n\n stream._writeRequests.push(writeRequest);\n });\n\n return promise;\n}\n\nfunction WritableStreamDealWithRejection(stream, error) {\n var state = stream._state;\n\n if (state === 'writable') {\n WritableStreamStartErroring(stream, error);\n return;\n }\n\n assert(state === 'erroring');\n WritableStreamFinishErroring(stream);\n}\n\nfunction WritableStreamStartErroring(stream, reason) {\n assert(stream._storedError === undefined, 'stream._storedError === undefined');\n assert(stream._state === 'writable', 'state must be writable');\n\n var controller = stream._writableStreamController;\n assert(controller !== undefined, 'controller must not be undefined');\n\n stream._state = 'erroring';\n stream._storedError = reason;\n var writer = stream._writer;\n if (writer !== undefined) {\n WritableStreamDefaultWriterEnsureReadyPromiseRejected(writer, reason);\n }\n\n if (WritableStreamHasOperationMarkedInFlight(stream) === false && controller._started === true) {\n WritableStreamFinishErroring(stream);\n }\n}\n\nfunction WritableStreamFinishErroring(stream) {\n assert(stream._state === 'erroring', 'stream._state === erroring');\n assert(WritableStreamHasOperationMarkedInFlight(stream) === false, 'WritableStreamHasOperationMarkedInFlight(stream) === false');\n stream._state = 'errored';\n stream._writableStreamController.__errorSteps();\n\n var storedError = stream._storedError;\n for (var i = 0; i < stream._writeRequests.length; i++) {\n var writeRequest = stream._writeRequests[i];\n writeRequest._reject(storedError);\n }\n stream._writeRequests = [];\n\n if (stream._pendingAbortRequest === undefined) {\n WritableStreamRejectCloseAndClosedPromiseIfNeeded(stream);\n return;\n }\n\n var abortRequest = stream._pendingAbortRequest;\n stream._pendingAbortRequest = undefined;\n\n if (abortRequest._wasAlreadyErroring === true) {\n abortRequest._reject(storedError);\n WritableStreamRejectCloseAndClosedPromiseIfNeeded(stream);\n return;\n }\n\n var promise = stream._writableStreamController.__abortSteps(abortRequest._reason);\n promise.then(function () {\n abortRequest._resolve();\n WritableStreamRejectCloseAndClosedPromiseIfNeeded(stream);\n }, function (reason) {\n abortRequest._reject(reason);\n WritableStreamRejectCloseAndClosedPromiseIfNeeded(stream);\n });\n}\n\nfunction WritableStreamFinishInFlightWrite(stream) {\n assert(stream._inFlightWriteRequest !== undefined);\n stream._inFlightWriteRequest._resolve(undefined);\n stream._inFlightWriteRequest = undefined;\n}\n\nfunction WritableStreamFinishInFlightWriteWithError(stream, error) {\n assert(stream._inFlightWriteRequest !== undefined);\n stream._inFlightWriteRequest._reject(error);\n stream._inFlightWriteRequest = undefined;\n\n assert(stream._state === 'writable' || stream._state === 'erroring');\n\n WritableStreamDealWithRejection(stream, error);\n}\n\nfunction WritableStreamFinishInFlightClose(stream) {\n assert(stream._inFlightCloseRequest !== undefined);\n stream._inFlightCloseRequest._resolve(undefined);\n stream._inFlightCloseRequest = undefined;\n\n var state = stream._state;\n\n assert(state === 'writable' || state === 'erroring');\n\n if (state === 'erroring') {\n // The error was too late to do anything, so it is ignored.\n stream._storedError = undefined;\n if (stream._pendingAbortRequest !== undefined) {\n stream._pendingAbortRequest._resolve();\n stream._pendingAbortRequest = undefined;\n }\n }\n\n stream._state = 'closed';\n\n var writer = stream._writer;\n if (writer !== undefined) {\n defaultWriterClosedPromiseResolve(writer);\n }\n\n assert(stream._pendingAbortRequest === undefined, 'stream._pendingAbortRequest === undefined');\n assert(stream._storedError === undefined, 'stream._storedError === undefined');\n}\n\nfunction WritableStreamFinishInFlightCloseWithError(stream, error) {\n assert(stream._inFlightCloseRequest !== undefined);\n stream._inFlightCloseRequest._reject(error);\n stream._inFlightCloseRequest = undefined;\n\n assert(stream._state === 'writable' || stream._state === 'erroring');\n\n // Never execute sink abort() after sink close().\n if (stream._pendingAbortRequest !== undefined) {\n stream._pendingAbortRequest._reject(error);\n stream._pendingAbortRequest = undefined;\n }\n WritableStreamDealWithRejection(stream, error);\n}\n\n// TODO(ricea): Fix alphabetical order.\nfunction WritableStreamCloseQueuedOrInFlight(stream) {\n if (stream._closeRequest === undefined && stream._inFlightCloseRequest === undefined) {\n return false;\n }\n\n return true;\n}\n\nfunction WritableStreamHasOperationMarkedInFlight(stream) {\n if (stream._inFlightWriteRequest === undefined && stream._inFlightCloseRequest === undefined) {\n return false;\n }\n\n return true;\n}\n\nfunction WritableStreamMarkCloseRequestInFlight(stream) {\n assert(stream._inFlightCloseRequest === undefined);\n assert(stream._closeRequest !== undefined);\n stream._inFlightCloseRequest = stream._closeRequest;\n stream._closeRequest = undefined;\n}\n\nfunction WritableStreamMarkFirstWriteRequestInFlight(stream) {\n assert(stream._inFlightWriteRequest === undefined, 'there must be no pending write request');\n assert(stream._writeRequests.length !== 0, 'writeRequests must not be empty');\n stream._inFlightWriteRequest = stream._writeRequests.shift();\n}\n\nfunction WritableStreamRejectCloseAndClosedPromiseIfNeeded(stream) {\n assert(stream._state === 'errored', '_stream_.[[state]] is `\"errored\"`');\n if (stream._closeRequest !== undefined) {\n assert(stream._inFlightCloseRequest === undefined);\n\n stream._closeRequest._reject(stream._storedError);\n stream._closeRequest = undefined;\n }\n var writer = stream._writer;\n if (writer !== undefined) {\n defaultWriterClosedPromiseReject(writer, stream._storedError);\n writer._closedPromise.catch(function () {});\n }\n}\n\nfunction WritableStreamUpdateBackpressure(stream, backpressure) {\n assert(stream._state === 'writable');\n assert(WritableStreamCloseQueuedOrInFlight(stream) === false);\n\n var writer = stream._writer;\n if (writer !== undefined && backpressure !== stream._backpressure) {\n if (backpressure === true) {\n defaultWriterReadyPromiseReset(writer);\n } else {\n assert(backpressure === false);\n\n defaultWriterReadyPromiseResolve(writer);\n }\n }\n\n stream._backpressure = backpressure;\n}\n\nvar WritableStreamDefaultWriter = function () {\n function WritableStreamDefaultWriter(stream) {\n _classCallCheck(this, WritableStreamDefaultWriter);\n\n if (IsWritableStream(stream) === false) {\n throw new TypeError('WritableStreamDefaultWriter can only be constructed with a WritableStream instance');\n }\n if (IsWritableStreamLocked(stream) === true) {\n throw new TypeError('This stream has already been locked for exclusive writing by another writer');\n }\n\n this._ownerWritableStream = stream;\n stream._writer = this;\n\n var state = stream._state;\n\n if (state === 'writable') {\n if (WritableStreamCloseQueuedOrInFlight(stream) === false && stream._backpressure === true) {\n defaultWriterReadyPromiseInitialize(this);\n } else {\n defaultWriterReadyPromiseInitializeAsResolved(this);\n }\n\n defaultWriterClosedPromiseInitialize(this);\n } else if (state === 'erroring') {\n defaultWriterReadyPromiseInitializeAsRejected(this, stream._storedError);\n this._readyPromise.catch(function () {});\n defaultWriterClosedPromiseInitialize(this);\n } else if (state === 'closed') {\n defaultWriterReadyPromiseInitializeAsResolved(this);\n defaultWriterClosedPromiseInitializeAsResolved(this);\n } else {\n assert(state === 'errored', 'state must be errored');\n\n var storedError = stream._storedError;\n defaultWriterReadyPromiseInitializeAsRejected(this, storedError);\n this._readyPromise.catch(function () {});\n defaultWriterClosedPromiseInitializeAsRejected(this, storedError);\n this._closedPromise.catch(function () {});\n }\n }\n\n _createClass(WritableStreamDefaultWriter, [{\n key: 'abort',\n value: function abort(reason) {\n if (IsWritableStreamDefaultWriter(this) === false) {\n return Promise.reject(defaultWriterBrandCheckException('abort'));\n }\n\n if (this._ownerWritableStream === undefined) {\n return Promise.reject(defaultWriterLockException('abort'));\n }\n\n return WritableStreamDefaultWriterAbort(this, reason);\n }\n }, {\n key: 'close',\n value: function close() {\n if (IsWritableStreamDefaultWriter(this) === false) {\n return Promise.reject(defaultWriterBrandCheckException('close'));\n }\n\n var stream = this._ownerWritableStream;\n\n if (stream === undefined) {\n return Promise.reject(defaultWriterLockException('close'));\n }\n\n if (WritableStreamCloseQueuedOrInFlight(stream) === true) {\n return Promise.reject(new TypeError('cannot close an already-closing stream'));\n }\n\n return WritableStreamDefaultWriterClose(this);\n }\n }, {\n key: 'releaseLock',\n value: function releaseLock() {\n if (IsWritableStreamDefaultWriter(this) === false) {\n throw defaultWriterBrandCheckException('releaseLock');\n }\n\n var stream = this._ownerWritableStream;\n\n if (stream === undefined) {\n return;\n }\n\n assert(stream._writer !== undefined);\n\n WritableStreamDefaultWriterRelease(this);\n }\n }, {\n key: 'write',\n value: function write(chunk) {\n if (IsWritableStreamDefaultWriter(this) === false) {\n return Promise.reject(defaultWriterBrandCheckException('write'));\n }\n\n if (this._ownerWritableStream === undefined) {\n return Promise.reject(defaultWriterLockException('write to'));\n }\n\n return WritableStreamDefaultWriterWrite(this, chunk);\n }\n }, {\n key: 'closed',\n get: function get() {\n if (IsWritableStreamDefaultWriter(this) === false) {\n return Promise.reject(defaultWriterBrandCheckException('closed'));\n }\n\n return this._closedPromise;\n }\n }, {\n key: 'desiredSize',\n get: function get() {\n if (IsWritableStreamDefaultWriter(this) === false) {\n throw defaultWriterBrandCheckException('desiredSize');\n }\n\n if (this._ownerWritableStream === undefined) {\n throw defaultWriterLockException('desiredSize');\n }\n\n return WritableStreamDefaultWriterGetDesiredSize(this);\n }\n }, {\n key: 'ready',\n get: function get() {\n if (IsWritableStreamDefaultWriter(this) === false) {\n return Promise.reject(defaultWriterBrandCheckException('ready'));\n }\n\n return this._readyPromise;\n }\n }]);\n\n return WritableStreamDefaultWriter;\n}();\n\n// Abstract operations for the WritableStreamDefaultWriter.\n\nfunction IsWritableStreamDefaultWriter(x) {\n if (!typeIsObject(x)) {\n return false;\n }\n\n if (!Object.prototype.hasOwnProperty.call(x, '_ownerWritableStream')) {\n return false;\n }\n\n return true;\n}\n\n// A client of WritableStreamDefaultWriter may use these functions directly to bypass state check.\n\nfunction WritableStreamDefaultWriterAbort(writer, reason) {\n var stream = writer._ownerWritableStream;\n\n assert(stream !== undefined);\n\n return WritableStreamAbort(stream, reason);\n}\n\nfunction WritableStreamDefaultWriterClose(writer) {\n var stream = writer._ownerWritableStream;\n\n assert(stream !== undefined);\n\n var state = stream._state;\n if (state === 'closed' || state === 'errored') {\n return Promise.reject(new TypeError('The stream (in ' + state + ' state) is not in the writable state and cannot be closed'));\n }\n\n assert(state === 'writable' || state === 'erroring');\n assert(WritableStreamCloseQueuedOrInFlight(stream) === false);\n\n var promise = new Promise(function (resolve, reject) {\n var closeRequest = {\n _resolve: resolve,\n _reject: reject\n };\n\n stream._closeRequest = closeRequest;\n });\n\n if (stream._backpressure === true && state === 'writable') {\n defaultWriterReadyPromiseResolve(writer);\n }\n\n WritableStreamDefaultControllerClose(stream._writableStreamController);\n\n return promise;\n}\n\nfunction WritableStreamDefaultWriterCloseWithErrorPropagation(writer) {\n var stream = writer._ownerWritableStream;\n\n assert(stream !== undefined);\n\n var state = stream._state;\n if (WritableStreamCloseQueuedOrInFlight(stream) === true || state === 'closed') {\n return Promise.resolve();\n }\n\n if (state === 'errored') {\n return Promise.reject(stream._storedError);\n }\n\n assert(state === 'writable' || state === 'erroring');\n\n return WritableStreamDefaultWriterClose(writer);\n}\n\nfunction WritableStreamDefaultWriterEnsureClosedPromiseRejected(writer, error) {\n if (writer._closedPromiseState === 'pending') {\n defaultWriterClosedPromiseReject(writer, error);\n } else {\n defaultWriterClosedPromiseResetToRejected(writer, error);\n }\n writer._closedPromise.catch(function () {});\n}\n\nfunction WritableStreamDefaultWriterEnsureReadyPromiseRejected(writer, error) {\n if (writer._readyPromiseState === 'pending') {\n defaultWriterReadyPromiseReject(writer, error);\n } else {\n defaultWriterReadyPromiseResetToRejected(writer, error);\n }\n writer._readyPromise.catch(function () {});\n}\n\nfunction WritableStreamDefaultWriterGetDesiredSize(writer) {\n var stream = writer._ownerWritableStream;\n var state = stream._state;\n\n if (state === 'errored' || state === 'erroring') {\n return null;\n }\n\n if (state === 'closed') {\n return 0;\n }\n\n return WritableStreamDefaultControllerGetDesiredSize(stream._writableStreamController);\n}\n\nfunction WritableStreamDefaultWriterRelease(writer) {\n var stream = writer._ownerWritableStream;\n assert(stream !== undefined);\n assert(stream._writer === writer);\n\n var releasedError = new TypeError('Writer was released and can no longer be used to monitor the stream\\'s closedness');\n\n WritableStreamDefaultWriterEnsureReadyPromiseRejected(writer, releasedError);\n\n // The state transitions to \"errored\" before the sink abort() method runs, but the writer.closed promise is not\n // rejected until afterwards. This means that simply testing state will not work.\n WritableStreamDefaultWriterEnsureClosedPromiseRejected(writer, releasedError);\n\n stream._writer = undefined;\n writer._ownerWritableStream = undefined;\n}\n\nfunction WritableStreamDefaultWriterWrite(writer, chunk) {\n var stream = writer._ownerWritableStream;\n\n assert(stream !== undefined);\n\n var controller = stream._writableStreamController;\n\n var chunkSize = WritableStreamDefaultControllerGetChunkSize(controller, chunk);\n\n if (stream !== writer._ownerWritableStream) {\n return Promise.reject(defaultWriterLockException('write to'));\n }\n\n var state = stream._state;\n if (state === 'errored') {\n return Promise.reject(stream._storedError);\n }\n if (WritableStreamCloseQueuedOrInFlight(stream) === true || state === 'closed') {\n return Promise.reject(new TypeError('The stream is closing or closed and cannot be written to'));\n }\n if (state === 'erroring') {\n return Promise.reject(stream._storedError);\n }\n\n assert(state === 'writable');\n\n var promise = WritableStreamAddWriteRequest(stream);\n\n WritableStreamDefaultControllerWrite(controller, chunk, chunkSize);\n\n return promise;\n}\n\nvar WritableStreamDefaultController = function () {\n function WritableStreamDefaultController(stream, underlyingSink, size, highWaterMark) {\n _classCallCheck(this, WritableStreamDefaultController);\n\n if (IsWritableStream(stream) === false) {\n throw new TypeError('WritableStreamDefaultController can only be constructed with a WritableStream instance');\n }\n\n if (stream._writableStreamController !== undefined) {\n throw new TypeError('WritableStreamDefaultController instances can only be created by the WritableStream constructor');\n }\n\n this._controlledWritableStream = stream;\n\n this._underlyingSink = underlyingSink;\n\n // Need to set the slots so that the assert doesn't fire. In the spec the slots already exist implicitly.\n this._queue = undefined;\n this._queueTotalSize = undefined;\n ResetQueue(this);\n\n this._started = false;\n\n var normalizedStrategy = ValidateAndNormalizeQueuingStrategy(size, highWaterMark);\n this._strategySize = normalizedStrategy.size;\n this._strategyHWM = normalizedStrategy.highWaterMark;\n\n var backpressure = WritableStreamDefaultControllerGetBackpressure(this);\n WritableStreamUpdateBackpressure(stream, backpressure);\n }\n\n _createClass(WritableStreamDefaultController, [{\n key: 'error',\n value: function error(e) {\n if (IsWritableStreamDefaultController(this) === false) {\n throw new TypeError('WritableStreamDefaultController.prototype.error can only be used on a WritableStreamDefaultController');\n }\n var state = this._controlledWritableStream._state;\n if (state !== 'writable') {\n // The stream is closed, errored or will be soon. The sink can't do anything useful if it gets an error here, so\n // just treat it as a no-op.\n return;\n }\n\n WritableStreamDefaultControllerError(this, e);\n }\n }, {\n key: '__abortSteps',\n value: function __abortSteps(reason) {\n return PromiseInvokeOrNoop(this._underlyingSink, 'abort', [reason]);\n }\n }, {\n key: '__errorSteps',\n value: function __errorSteps() {\n ResetQueue(this);\n }\n }, {\n key: '__startSteps',\n value: function __startSteps() {\n var _this = this;\n\n var startResult = InvokeOrNoop(this._underlyingSink, 'start', [this]);\n var stream = this._controlledWritableStream;\n\n Promise.resolve(startResult).then(function () {\n assert(stream._state === 'writable' || stream._state === 'erroring');\n _this._started = true;\n WritableStreamDefaultControllerAdvanceQueueIfNeeded(_this);\n }, function (r) {\n assert(stream._state === 'writable' || stream._state === 'erroring');\n _this._started = true;\n WritableStreamDealWithRejection(stream, r);\n }).catch(rethrowAssertionErrorRejection);\n }\n }]);\n\n return WritableStreamDefaultController;\n}();\n\n// Abstract operations implementing interface required by the WritableStream.\n\nfunction WritableStreamDefaultControllerClose(controller) {\n EnqueueValueWithSize(controller, 'close', 0);\n WritableStreamDefaultControllerAdvanceQueueIfNeeded(controller);\n}\n\nfunction WritableStreamDefaultControllerGetChunkSize(controller, chunk) {\n var strategySize = controller._strategySize;\n\n if (strategySize === undefined) {\n return 1;\n }\n\n try {\n return strategySize(chunk);\n } catch (chunkSizeE) {\n WritableStreamDefaultControllerErrorIfNeeded(controller, chunkSizeE);\n return 1;\n }\n}\n\nfunction WritableStreamDefaultControllerGetDesiredSize(controller) {\n return controller._strategyHWM - controller._queueTotalSize;\n}\n\nfunction WritableStreamDefaultControllerWrite(controller, chunk, chunkSize) {\n var writeRecord = { chunk: chunk };\n\n try {\n EnqueueValueWithSize(controller, writeRecord, chunkSize);\n } catch (enqueueE) {\n WritableStreamDefaultControllerErrorIfNeeded(controller, enqueueE);\n return;\n }\n\n var stream = controller._controlledWritableStream;\n if (WritableStreamCloseQueuedOrInFlight(stream) === false && stream._state === 'writable') {\n var backpressure = WritableStreamDefaultControllerGetBackpressure(controller);\n WritableStreamUpdateBackpressure(stream, backpressure);\n }\n\n WritableStreamDefaultControllerAdvanceQueueIfNeeded(controller);\n}\n\n// Abstract operations for the WritableStreamDefaultController.\n\nfunction IsWritableStreamDefaultController(x) {\n if (!typeIsObject(x)) {\n return false;\n }\n\n if (!Object.prototype.hasOwnProperty.call(x, '_underlyingSink')) {\n return false;\n }\n\n return true;\n}\n\nfunction WritableStreamDefaultControllerAdvanceQueueIfNeeded(controller) {\n var stream = controller._controlledWritableStream;\n\n if (controller._started === false) {\n return;\n }\n\n if (stream._inFlightWriteRequest !== undefined) {\n return;\n }\n\n var state = stream._state;\n if (state === 'closed' || state === 'errored') {\n return;\n }\n if (state === 'erroring') {\n WritableStreamFinishErroring(stream);\n return;\n }\n\n if (controller._queue.length === 0) {\n return;\n }\n\n var writeRecord = PeekQueueValue(controller);\n if (writeRecord === 'close') {\n WritableStreamDefaultControllerProcessClose(controller);\n } else {\n WritableStreamDefaultControllerProcessWrite(controller, writeRecord.chunk);\n }\n}\n\nfunction WritableStreamDefaultControllerErrorIfNeeded(controller, error) {\n if (controller._controlledWritableStream._state === 'writable') {\n WritableStreamDefaultControllerError(controller, error);\n }\n}\n\nfunction WritableStreamDefaultControllerProcessClose(controller) {\n var stream = controller._controlledWritableStream;\n\n WritableStreamMarkCloseRequestInFlight(stream);\n\n DequeueValue(controller);\n assert(controller._queue.length === 0, 'queue must be empty once the final write record is dequeued');\n\n var sinkClosePromise = PromiseInvokeOrNoop(controller._underlyingSink, 'close', []);\n sinkClosePromise.then(function () {\n WritableStreamFinishInFlightClose(stream);\n }, function (reason) {\n WritableStreamFinishInFlightCloseWithError(stream, reason);\n }).catch(rethrowAssertionErrorRejection);\n}\n\nfunction WritableStreamDefaultControllerProcessWrite(controller, chunk) {\n var stream = controller._controlledWritableStream;\n\n WritableStreamMarkFirstWriteRequestInFlight(stream);\n\n var sinkWritePromise = PromiseInvokeOrNoop(controller._underlyingSink, 'write', [chunk, controller]);\n sinkWritePromise.then(function () {\n WritableStreamFinishInFlightWrite(stream);\n\n var state = stream._state;\n assert(state === 'writable' || state === 'erroring');\n\n DequeueValue(controller);\n\n if (WritableStreamCloseQueuedOrInFlight(stream) === false && state === 'writable') {\n var backpressure = WritableStreamDefaultControllerGetBackpressure(controller);\n WritableStreamUpdateBackpressure(stream, backpressure);\n }\n\n WritableStreamDefaultControllerAdvanceQueueIfNeeded(controller);\n }, function (reason) {\n WritableStreamFinishInFlightWriteWithError(stream, reason);\n }).catch(rethrowAssertionErrorRejection);\n}\n\nfunction WritableStreamDefaultControllerGetBackpressure(controller) {\n var desiredSize = WritableStreamDefaultControllerGetDesiredSize(controller);\n return desiredSize <= 0;\n}\n\n// A client of WritableStreamDefaultController may use these functions directly to bypass state check.\n\nfunction WritableStreamDefaultControllerError(controller, error) {\n var stream = controller._controlledWritableStream;\n\n assert(stream._state === 'writable');\n\n WritableStreamStartErroring(stream, error);\n}\n\n// Helper functions for the WritableStream.\n\nfunction streamBrandCheckException(name) {\n return new TypeError('WritableStream.prototype.' + name + ' can only be used on a WritableStream');\n}\n\n// Helper functions for the WritableStreamDefaultWriter.\n\nfunction defaultWriterBrandCheckException(name) {\n return new TypeError('WritableStreamDefaultWriter.prototype.' + name + ' can only be used on a WritableStreamDefaultWriter');\n}\n\nfunction defaultWriterLockException(name) {\n return new TypeError('Cannot ' + name + ' a stream using a released writer');\n}\n\nfunction defaultWriterClosedPromiseInitialize(writer) {\n writer._closedPromise = new Promise(function (resolve, reject) {\n writer._closedPromise_resolve = resolve;\n writer._closedPromise_reject = reject;\n writer._closedPromiseState = 'pending';\n });\n}\n\nfunction defaultWriterClosedPromiseInitializeAsRejected(writer, reason) {\n writer._closedPromise = Promise.reject(reason);\n writer._closedPromise_resolve = undefined;\n writer._closedPromise_reject = undefined;\n writer._closedPromiseState = 'rejected';\n}\n\nfunction defaultWriterClosedPromiseInitializeAsResolved(writer) {\n writer._closedPromise = Promise.resolve(undefined);\n writer._closedPromise_resolve = undefined;\n writer._closedPromise_reject = undefined;\n writer._closedPromiseState = 'resolved';\n}\n\nfunction defaultWriterClosedPromiseReject(writer, reason) {\n assert(writer._closedPromise_resolve !== undefined, 'writer._closedPromise_resolve !== undefined');\n assert(writer._closedPromise_reject !== undefined, 'writer._closedPromise_reject !== undefined');\n assert(writer._closedPromiseState === 'pending', 'writer._closedPromiseState is pending');\n\n writer._closedPromise_reject(reason);\n writer._closedPromise_resolve = undefined;\n writer._closedPromise_reject = undefined;\n writer._closedPromiseState = 'rejected';\n}\n\nfunction defaultWriterClosedPromiseResetToRejected(writer, reason) {\n assert(writer._closedPromise_resolve === undefined, 'writer._closedPromise_resolve === undefined');\n assert(writer._closedPromise_reject === undefined, 'writer._closedPromise_reject === undefined');\n assert(writer._closedPromiseState !== 'pending', 'writer._closedPromiseState is not pending');\n\n writer._closedPromise = Promise.reject(reason);\n writer._closedPromiseState = 'rejected';\n}\n\nfunction defaultWriterClosedPromiseResolve(writer) {\n assert(writer._closedPromise_resolve !== undefined, 'writer._closedPromise_resolve !== undefined');\n assert(writer._closedPromise_reject !== undefined, 'writer._closedPromise_reject !== undefined');\n assert(writer._closedPromiseState === 'pending', 'writer._closedPromiseState is pending');\n\n writer._closedPromise_resolve(undefined);\n writer._closedPromise_resolve = undefined;\n writer._closedPromise_reject = undefined;\n writer._closedPromiseState = 'resolved';\n}\n\nfunction defaultWriterReadyPromiseInitialize(writer) {\n writer._readyPromise = new Promise(function (resolve, reject) {\n writer._readyPromise_resolve = resolve;\n writer._readyPromise_reject = reject;\n });\n writer._readyPromiseState = 'pending';\n}\n\nfunction defaultWriterReadyPromiseInitializeAsRejected(writer, reason) {\n writer._readyPromise = Promise.reject(reason);\n writer._readyPromise_resolve = undefined;\n writer._readyPromise_reject = undefined;\n writer._readyPromiseState = 'rejected';\n}\n\nfunction defaultWriterReadyPromiseInitializeAsResolved(writer) {\n writer._readyPromise = Promise.resolve(undefined);\n writer._readyPromise_resolve = undefined;\n writer._readyPromise_reject = undefined;\n writer._readyPromiseState = 'fulfilled';\n}\n\nfunction defaultWriterReadyPromiseReject(writer, reason) {\n assert(writer._readyPromise_resolve !== undefined, 'writer._readyPromise_resolve !== undefined');\n assert(writer._readyPromise_reject !== undefined, 'writer._readyPromise_reject !== undefined');\n\n writer._readyPromise_reject(reason);\n writer._readyPromise_resolve = undefined;\n writer._readyPromise_reject = undefined;\n writer._readyPromiseState = 'rejected';\n}\n\nfunction defaultWriterReadyPromiseReset(writer) {\n assert(writer._readyPromise_resolve === undefined, 'writer._readyPromise_resolve === undefined');\n assert(writer._readyPromise_reject === undefined, 'writer._readyPromise_reject === undefined');\n\n writer._readyPromise = new Promise(function (resolve, reject) {\n writer._readyPromise_resolve = resolve;\n writer._readyPromise_reject = reject;\n });\n writer._readyPromiseState = 'pending';\n}\n\nfunction defaultWriterReadyPromiseResetToRejected(writer, reason) {\n assert(writer._readyPromise_resolve === undefined, 'writer._readyPromise_resolve === undefined');\n assert(writer._readyPromise_reject === undefined, 'writer._readyPromise_reject === undefined');\n\n writer._readyPromise = Promise.reject(reason);\n writer._readyPromiseState = 'rejected';\n}\n\nfunction defaultWriterReadyPromiseResolve(writer) {\n assert(writer._readyPromise_resolve !== undefined, 'writer._readyPromise_resolve !== undefined');\n assert(writer._readyPromise_reject !== undefined, 'writer._readyPromise_reject !== undefined');\n\n writer._readyPromise_resolve(undefined);\n writer._readyPromise_resolve = undefined;\n writer._readyPromise_reject = undefined;\n writer._readyPromiseState = 'fulfilled';\n}\n\n/***/ }),\n/* 3 */\n/***/ (function(module, exports, __w_pdfjs_require__) {\n\n\"use strict\";\n\n\nvar _require = __w_pdfjs_require__(0),\n IsFiniteNonNegativeNumber = _require.IsFiniteNonNegativeNumber;\n\nvar _require2 = __w_pdfjs_require__(1),\n assert = _require2.assert;\n\nexports.DequeueValue = function (container) {\n assert('_queue' in container && '_queueTotalSize' in container, 'Spec-level failure: DequeueValue should only be used on containers with [[queue]] and [[queueTotalSize]].');\n assert(container._queue.length > 0, 'Spec-level failure: should never dequeue from an empty queue.');\n\n var pair = container._queue.shift();\n container._queueTotalSize -= pair.size;\n if (container._queueTotalSize < 0) {\n container._queueTotalSize = 0;\n }\n\n return pair.value;\n};\n\nexports.EnqueueValueWithSize = function (container, value, size) {\n assert('_queue' in container && '_queueTotalSize' in container, 'Spec-level failure: EnqueueValueWithSize should only be used on containers with [[queue]] and ' + '[[queueTotalSize]].');\n\n size = Number(size);\n if (!IsFiniteNonNegativeNumber(size)) {\n throw new RangeError('Size must be a finite, non-NaN, non-negative number.');\n }\n\n container._queue.push({ value: value, size: size });\n container._queueTotalSize += size;\n};\n\nexports.PeekQueueValue = function (container) {\n assert('_queue' in container && '_queueTotalSize' in container, 'Spec-level failure: PeekQueueValue should only be used on containers with [[queue]] and [[queueTotalSize]].');\n assert(container._queue.length > 0, 'Spec-level failure: should never peek at an empty queue.');\n\n var pair = container._queue[0];\n return pair.value;\n};\n\nexports.ResetQueue = function (container) {\n assert('_queue' in container && '_queueTotalSize' in container, 'Spec-level failure: ResetQueue should only be used on containers with [[queue]] and [[queueTotalSize]].');\n\n container._queue = [];\n container._queueTotalSize = 0;\n};\n\n/***/ }),\n/* 4 */\n/***/ (function(module, exports, __w_pdfjs_require__) {\n\n\"use strict\";\n\n\nvar _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nvar _require = __w_pdfjs_require__(0),\n ArrayBufferCopy = _require.ArrayBufferCopy,\n CreateIterResultObject = _require.CreateIterResultObject,\n IsFiniteNonNegativeNumber = _require.IsFiniteNonNegativeNumber,\n InvokeOrNoop = _require.InvokeOrNoop,\n PromiseInvokeOrNoop = _require.PromiseInvokeOrNoop,\n TransferArrayBuffer = _require.TransferArrayBuffer,\n ValidateAndNormalizeQueuingStrategy = _require.ValidateAndNormalizeQueuingStrategy,\n ValidateAndNormalizeHighWaterMark = _require.ValidateAndNormalizeHighWaterMark;\n\nvar _require2 = __w_pdfjs_require__(0),\n createArrayFromList = _require2.createArrayFromList,\n createDataProperty = _require2.createDataProperty,\n typeIsObject = _require2.typeIsObject;\n\nvar _require3 = __w_pdfjs_require__(1),\n assert = _require3.assert,\n rethrowAssertionErrorRejection = _require3.rethrowAssertionErrorRejection;\n\nvar _require4 = __w_pdfjs_require__(3),\n DequeueValue = _require4.DequeueValue,\n EnqueueValueWithSize = _require4.EnqueueValueWithSize,\n ResetQueue = _require4.ResetQueue;\n\nvar _require5 = __w_pdfjs_require__(2),\n AcquireWritableStreamDefaultWriter = _require5.AcquireWritableStreamDefaultWriter,\n IsWritableStream = _require5.IsWritableStream,\n IsWritableStreamLocked = _require5.IsWritableStreamLocked,\n WritableStreamAbort = _require5.WritableStreamAbort,\n WritableStreamDefaultWriterCloseWithErrorPropagation = _require5.WritableStreamDefaultWriterCloseWithErrorPropagation,\n WritableStreamDefaultWriterRelease = _require5.WritableStreamDefaultWriterRelease,\n WritableStreamDefaultWriterWrite = _require5.WritableStreamDefaultWriterWrite,\n WritableStreamCloseQueuedOrInFlight = _require5.WritableStreamCloseQueuedOrInFlight;\n\nvar ReadableStream = function () {\n function ReadableStream() {\n var underlyingSource = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};\n\n var _ref = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {},\n size = _ref.size,\n highWaterMark = _ref.highWaterMark;\n\n _classCallCheck(this, ReadableStream);\n\n // Exposed to controllers.\n this._state = 'readable';\n\n this._reader = undefined;\n this._storedError = undefined;\n\n this._disturbed = false;\n\n // Initialize to undefined first because the constructor of the controller checks this\n // variable to validate the caller.\n this._readableStreamController = undefined;\n var type = underlyingSource.type;\n var typeString = String(type);\n if (typeString === 'bytes') {\n if (highWaterMark === undefined) {\n highWaterMark = 0;\n }\n this._readableStreamController = new ReadableByteStreamController(this, underlyingSource, highWaterMark);\n } else if (type === undefined) {\n if (highWaterMark === undefined) {\n highWaterMark = 1;\n }\n this._readableStreamController = new ReadableStreamDefaultController(this, underlyingSource, size, highWaterMark);\n } else {\n throw new RangeError('Invalid type is specified');\n }\n }\n\n _createClass(ReadableStream, [{\n key: 'cancel',\n value: function cancel(reason) {\n if (IsReadableStream(this) === false) {\n return Promise.reject(streamBrandCheckException('cancel'));\n }\n\n if (IsReadableStreamLocked(this) === true) {\n return Promise.reject(new TypeError('Cannot cancel a stream that already has a reader'));\n }\n\n return ReadableStreamCancel(this, reason);\n }\n }, {\n key: 'getReader',\n value: function getReader() {\n var _ref2 = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},\n mode = _ref2.mode;\n\n if (IsReadableStream(this) === false) {\n throw streamBrandCheckException('getReader');\n }\n\n if (mode === undefined) {\n return AcquireReadableStreamDefaultReader(this);\n }\n\n mode = String(mode);\n\n if (mode === 'byob') {\n return AcquireReadableStreamBYOBReader(this);\n }\n\n throw new RangeError('Invalid mode is specified');\n }\n }, {\n key: 'pipeThrough',\n value: function pipeThrough(_ref3, options) {\n var writable = _ref3.writable,\n readable = _ref3.readable;\n\n var promise = this.pipeTo(writable, options);\n\n ifIsObjectAndHasAPromiseIsHandledInternalSlotSetPromiseIsHandledToTrue(promise);\n\n return readable;\n }\n }, {\n key: 'pipeTo',\n value: function pipeTo(dest) {\n var _this = this;\n\n var _ref4 = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {},\n preventClose = _ref4.preventClose,\n preventAbort = _ref4.preventAbort,\n preventCancel = _ref4.preventCancel;\n\n if (IsReadableStream(this) === false) {\n return Promise.reject(streamBrandCheckException('pipeTo'));\n }\n if (IsWritableStream(dest) === false) {\n return Promise.reject(new TypeError('ReadableStream.prototype.pipeTo\\'s first argument must be a WritableStream'));\n }\n\n preventClose = Boolean(preventClose);\n preventAbort = Boolean(preventAbort);\n preventCancel = Boolean(preventCancel);\n\n if (IsReadableStreamLocked(this) === true) {\n return Promise.reject(new TypeError('ReadableStream.prototype.pipeTo cannot be used on a locked ReadableStream'));\n }\n if (IsWritableStreamLocked(dest) === true) {\n return Promise.reject(new TypeError('ReadableStream.prototype.pipeTo cannot be used on a locked WritableStream'));\n }\n\n var reader = AcquireReadableStreamDefaultReader(this);\n var writer = AcquireWritableStreamDefaultWriter(dest);\n\n var shuttingDown = false;\n\n // This is used to keep track of the spec's requirement that we wait for ongoing writes during shutdown.\n var currentWrite = Promise.resolve();\n\n return new Promise(function (resolve, reject) {\n // Using reader and writer, read all chunks from this and write them to dest\n // - Backpressure must be enforced\n // - Shutdown must stop all activity\n function pipeLoop() {\n currentWrite = Promise.resolve();\n\n if (shuttingDown === true) {\n return Promise.resolve();\n }\n\n return writer._readyPromise.then(function () {\n return ReadableStreamDefaultReaderRead(reader).then(function (_ref5) {\n var value = _ref5.value,\n done = _ref5.done;\n\n if (done === true) {\n return;\n }\n\n currentWrite = WritableStreamDefaultWriterWrite(writer, value).catch(function () {});\n });\n }).then(pipeLoop);\n }\n\n // Errors must be propagated forward\n isOrBecomesErrored(_this, reader._closedPromise, function (storedError) {\n if (preventAbort === false) {\n shutdownWithAction(function () {\n return WritableStreamAbort(dest, storedError);\n }, true, storedError);\n } else {\n shutdown(true, storedError);\n }\n });\n\n // Errors must be propagated backward\n isOrBecomesErrored(dest, writer._closedPromise, function (storedError) {\n if (preventCancel === false) {\n shutdownWithAction(function () {\n return ReadableStreamCancel(_this, storedError);\n }, true, storedError);\n } else {\n shutdown(true, storedError);\n }\n });\n\n // Closing must be propagated forward\n isOrBecomesClosed(_this, reader._closedPromise, function () {\n if (preventClose === false) {\n shutdownWithAction(function () {\n return WritableStreamDefaultWriterCloseWithErrorPropagation(writer);\n });\n } else {\n shutdown();\n }\n });\n\n // Closing must be propagated backward\n if (WritableStreamCloseQueuedOrInFlight(dest) === true || dest._state === 'closed') {\n var destClosed = new TypeError('the destination writable stream closed before all data could be piped to it');\n\n if (preventCancel === false) {\n shutdownWithAction(function () {\n return ReadableStreamCancel(_this, destClosed);\n }, true, destClosed);\n } else {\n shutdown(true, destClosed);\n }\n }\n\n pipeLoop().catch(function (err) {\n currentWrite = Promise.resolve();\n rethrowAssertionErrorRejection(err);\n });\n\n function waitForWritesToFinish() {\n // Another write may have started while we were waiting on this currentWrite, so we have to be sure to wait\n // for that too.\n var oldCurrentWrite = currentWrite;\n return currentWrite.then(function () {\n return oldCurrentWrite !== currentWrite ? waitForWritesToFinish() : undefined;\n });\n }\n\n function isOrBecomesErrored(stream, promise, action) {\n if (stream._state === 'errored') {\n action(stream._storedError);\n } else {\n promise.catch(action).catch(rethrowAssertionErrorRejection);\n }\n }\n\n function isOrBecomesClosed(stream, promise, action) {\n if (stream._state === 'closed') {\n action();\n } else {\n promise.then(action).catch(rethrowAssertionErrorRejection);\n }\n }\n\n function shutdownWithAction(action, originalIsError, originalError) {\n if (shuttingDown === true) {\n return;\n }\n shuttingDown = true;\n\n if (dest._state === 'writable' && WritableStreamCloseQueuedOrInFlight(dest) === false) {\n waitForWritesToFinish().then(doTheRest);\n } else {\n doTheRest();\n }\n\n function doTheRest() {\n action().then(function () {\n return finalize(originalIsError, originalError);\n }, function (newError) {\n return finalize(true, newError);\n }).catch(rethrowAssertionErrorRejection);\n }\n }\n\n function shutdown(isError, error) {\n if (shuttingDown === true) {\n return;\n }\n shuttingDown = true;\n\n if (dest._state === 'writable' && WritableStreamCloseQueuedOrInFlight(dest) === false) {\n waitForWritesToFinish().then(function () {\n return finalize(isError, error);\n }).catch(rethrowAssertionErrorRejection);\n } else {\n finalize(isError, error);\n }\n }\n\n function finalize(isError, error) {\n WritableStreamDefaultWriterRelease(writer);\n ReadableStreamReaderGenericRelease(reader);\n\n if (isError) {\n reject(error);\n } else {\n resolve(undefined);\n }\n }\n });\n }\n }, {\n key: 'tee',\n value: function tee() {\n if (IsReadableStream(this) === false) {\n throw streamBrandCheckException('tee');\n }\n\n var branches = ReadableStreamTee(this, false);\n return createArrayFromList(branches);\n }\n }, {\n key: 'locked',\n get: function get() {\n if (IsReadableStream(this) === false) {\n throw streamBrandCheckException('locked');\n }\n\n return IsReadableStreamLocked(this);\n }\n }]);\n\n return ReadableStream;\n}();\n\nmodule.exports = {\n ReadableStream: ReadableStream,\n IsReadableStreamDisturbed: IsReadableStreamDisturbed,\n ReadableStreamDefaultControllerClose: ReadableStreamDefaultControllerClose,\n ReadableStreamDefaultControllerEnqueue: ReadableStreamDefaultControllerEnqueue,\n ReadableStreamDefaultControllerError: ReadableStreamDefaultControllerError,\n ReadableStreamDefaultControllerGetDesiredSize: ReadableStreamDefaultControllerGetDesiredSize\n};\n\n// Abstract operations for the ReadableStream.\n\nfunction AcquireReadableStreamBYOBReader(stream) {\n return new ReadableStreamBYOBReader(stream);\n}\n\nfunction AcquireReadableStreamDefaultReader(stream) {\n return new ReadableStreamDefaultReader(stream);\n}\n\nfunction IsReadableStream(x) {\n if (!typeIsObject(x)) {\n return false;\n }\n\n if (!Object.prototype.hasOwnProperty.call(x, '_readableStreamController')) {\n return false;\n }\n\n return true;\n}\n\nfunction IsReadableStreamDisturbed(stream) {\n assert(IsReadableStream(stream) === true, 'IsReadableStreamDisturbed should only be used on known readable streams');\n\n return stream._disturbed;\n}\n\nfunction IsReadableStreamLocked(stream) {\n assert(IsReadableStream(stream) === true, 'IsReadableStreamLocked should only be used on known readable streams');\n\n if (stream._reader === undefined) {\n return false;\n }\n\n return true;\n}\n\nfunction ReadableStreamTee(stream, cloneForBranch2) {\n assert(IsReadableStream(stream) === true);\n assert(typeof cloneForBranch2 === 'boolean');\n\n var reader = AcquireReadableStreamDefaultReader(stream);\n\n var teeState = {\n closedOrErrored: false,\n canceled1: false,\n canceled2: false,\n reason1: undefined,\n reason2: undefined\n };\n teeState.promise = new Promise(function (resolve) {\n teeState._resolve = resolve;\n });\n\n var pull = create_ReadableStreamTeePullFunction();\n pull._reader = reader;\n pull._teeState = teeState;\n pull._cloneForBranch2 = cloneForBranch2;\n\n var cancel1 = create_ReadableStreamTeeBranch1CancelFunction();\n cancel1._stream = stream;\n cancel1._teeState = teeState;\n\n var cancel2 = create_ReadableStreamTeeBranch2CancelFunction();\n cancel2._stream = stream;\n cancel2._teeState = teeState;\n\n var underlyingSource1 = Object.create(Object.prototype);\n createDataProperty(underlyingSource1, 'pull', pull);\n createDataProperty(underlyingSource1, 'cancel', cancel1);\n var branch1Stream = new ReadableStream(underlyingSource1);\n\n var underlyingSource2 = Object.create(Object.prototype);\n createDataProperty(underlyingSource2, 'pull', pull);\n createDataProperty(underlyingSource2, 'cancel', cancel2);\n var branch2Stream = new ReadableStream(underlyingSource2);\n\n pull._branch1 = branch1Stream._readableStreamController;\n pull._branch2 = branch2Stream._readableStreamController;\n\n reader._closedPromise.catch(function (r) {\n if (teeState.closedOrErrored === true) {\n return;\n }\n\n ReadableStreamDefaultControllerError(pull._branch1, r);\n ReadableStreamDefaultControllerError(pull._branch2, r);\n teeState.closedOrErrored = true;\n });\n\n return [branch1Stream, branch2Stream];\n}\n\nfunction create_ReadableStreamTeePullFunction() {\n function f() {\n var reader = f._reader,\n branch1 = f._branch1,\n branch2 = f._branch2,\n teeState = f._teeState;\n\n\n return ReadableStreamDefaultReaderRead(reader).then(function (result) {\n assert(typeIsObject(result));\n var value = result.value;\n var done = result.done;\n assert(typeof done === 'boolean');\n\n if (done === true && teeState.closedOrErrored === false) {\n if (teeState.canceled1 === false) {\n ReadableStreamDefaultControllerClose(branch1);\n }\n if (teeState.canceled2 === false) {\n ReadableStreamDefaultControllerClose(branch2);\n }\n teeState.closedOrErrored = true;\n }\n\n if (teeState.closedOrErrored === true) {\n return;\n }\n\n var value1 = value;\n var value2 = value;\n\n // There is no way to access the cloning code right now in the reference implementation.\n // If we add one then we'll need an implementation for serializable objects.\n // if (teeState.canceled2 === false && cloneForBranch2 === true) {\n // value2 = StructuredDeserialize(StructuredSerialize(value2));\n // }\n\n if (teeState.canceled1 === false) {\n ReadableStreamDefaultControllerEnqueue(branch1, value1);\n }\n\n if (teeState.canceled2 === false) {\n ReadableStreamDefaultControllerEnqueue(branch2, value2);\n }\n });\n }\n return f;\n}\n\nfunction create_ReadableStreamTeeBranch1CancelFunction() {\n function f(reason) {\n var stream = f._stream,\n teeState = f._teeState;\n\n\n teeState.canceled1 = true;\n teeState.reason1 = reason;\n if (teeState.canceled2 === true) {\n var compositeReason = createArrayFromList([teeState.reason1, teeState.reason2]);\n var cancelResult = ReadableStreamCancel(stream, compositeReason);\n teeState._resolve(cancelResult);\n }\n return teeState.promise;\n }\n return f;\n}\n\nfunction create_ReadableStreamTeeBranch2CancelFunction() {\n function f(reason) {\n var stream = f._stream,\n teeState = f._teeState;\n\n\n teeState.canceled2 = true;\n teeState.reason2 = reason;\n if (teeState.canceled1 === true) {\n var compositeReason = createArrayFromList([teeState.reason1, teeState.reason2]);\n var cancelResult = ReadableStreamCancel(stream, compositeReason);\n teeState._resolve(cancelResult);\n }\n return teeState.promise;\n }\n return f;\n}\n\n// ReadableStream API exposed for controllers.\n\nfunction ReadableStreamAddReadIntoRequest(stream) {\n assert(IsReadableStreamBYOBReader(stream._reader) === true);\n assert(stream._state === 'readable' || stream._state === 'closed');\n\n var promise = new Promise(function (resolve, reject) {\n var readIntoRequest = {\n _resolve: resolve,\n _reject: reject\n };\n\n stream._reader._readIntoRequests.push(readIntoRequest);\n });\n\n return promise;\n}\n\nfunction ReadableStreamAddReadRequest(stream) {\n assert(IsReadableStreamDefaultReader(stream._reader) === true);\n assert(stream._state === 'readable');\n\n var promise = new Promise(function (resolve, reject) {\n var readRequest = {\n _resolve: resolve,\n _reject: reject\n };\n\n stream._reader._readRequests.push(readRequest);\n });\n\n return promise;\n}\n\nfunction ReadableStreamCancel(stream, reason) {\n stream._disturbed = true;\n\n if (stream._state === 'closed') {\n return Promise.resolve(undefined);\n }\n if (stream._state === 'errored') {\n return Promise.reject(stream._storedError);\n }\n\n ReadableStreamClose(stream);\n\n var sourceCancelPromise = stream._readableStreamController.__cancelSteps(reason);\n return sourceCancelPromise.then(function () {\n return undefined;\n });\n}\n\nfunction ReadableStreamClose(stream) {\n assert(stream._state === 'readable');\n\n stream._state = 'closed';\n\n var reader = stream._reader;\n\n if (reader === undefined) {\n return undefined;\n }\n\n if (IsReadableStreamDefaultReader(reader) === true) {\n for (var i = 0; i < reader._readRequests.length; i++) {\n var _resolve = reader._readRequests[i]._resolve;\n\n _resolve(CreateIterResultObject(undefined, true));\n }\n reader._readRequests = [];\n }\n\n defaultReaderClosedPromiseResolve(reader);\n\n return undefined;\n}\n\nfunction ReadableStreamError(stream, e) {\n assert(IsReadableStream(stream) === true, 'stream must be ReadableStream');\n assert(stream._state === 'readable', 'state must be readable');\n\n stream._state = 'errored';\n stream._storedError = e;\n\n var reader = stream._reader;\n\n if (reader === undefined) {\n return undefined;\n }\n\n if (IsReadableStreamDefaultReader(reader) === true) {\n for (var i = 0; i < reader._readRequests.length; i++) {\n var readRequest = reader._readRequests[i];\n readRequest._reject(e);\n }\n\n reader._readRequests = [];\n } else {\n assert(IsReadableStreamBYOBReader(reader), 'reader must be ReadableStreamBYOBReader');\n\n for (var _i = 0; _i < reader._readIntoRequests.length; _i++) {\n var readIntoRequest = reader._readIntoRequests[_i];\n readIntoRequest._reject(e);\n }\n\n reader._readIntoRequests = [];\n }\n\n defaultReaderClosedPromiseReject(reader, e);\n reader._closedPromise.catch(function () {});\n}\n\nfunction ReadableStreamFulfillReadIntoRequest(stream, chunk, done) {\n var reader = stream._reader;\n\n assert(reader._readIntoRequests.length > 0);\n\n var readIntoRequest = reader._readIntoRequests.shift();\n readIntoRequest._resolve(CreateIterResultObject(chunk, done));\n}\n\nfunction ReadableStreamFulfillReadRequest(stream, chunk, done) {\n var reader = stream._reader;\n\n assert(reader._readRequests.length > 0);\n\n var readRequest = reader._readRequests.shift();\n readRequest._resolve(CreateIterResultObject(chunk, done));\n}\n\nfunction ReadableStreamGetNumReadIntoRequests(stream) {\n return stream._reader._readIntoRequests.length;\n}\n\nfunction ReadableStreamGetNumReadRequests(stream) {\n return stream._reader._readRequests.length;\n}\n\nfunction ReadableStreamHasBYOBReader(stream) {\n var reader = stream._reader;\n\n if (reader === undefined) {\n return false;\n }\n\n if (IsReadableStreamBYOBReader(reader) === false) {\n return false;\n }\n\n return true;\n}\n\nfunction ReadableStreamHasDefaultReader(stream) {\n var reader = stream._reader;\n\n if (reader === undefined) {\n return false;\n }\n\n if (IsReadableStreamDefaultReader(reader) === false) {\n return false;\n }\n\n return true;\n}\n\n// Readers\n\nvar ReadableStreamDefaultReader = function () {\n function ReadableStreamDefaultReader(stream) {\n _classCallCheck(this, ReadableStreamDefaultReader);\n\n if (IsReadableStream(stream) === false) {\n throw new TypeError('ReadableStreamDefaultReader can only be constructed with a ReadableStream instance');\n }\n if (IsReadableStreamLocked(stream) === true) {\n throw new TypeError('This stream has already been locked for exclusive reading by another reader');\n }\n\n ReadableStreamReaderGenericInitialize(this, stream);\n\n this._readRequests = [];\n }\n\n _createClass(ReadableStreamDefaultReader, [{\n key: 'cancel',\n value: function cancel(reason) {\n if (IsReadableStreamDefaultReader(this) === false) {\n return Promise.reject(defaultReaderBrandCheckException('cancel'));\n }\n\n if (this._ownerReadableStream === undefined) {\n return Promise.reject(readerLockException('cancel'));\n }\n\n return ReadableStreamReaderGenericCancel(this, reason);\n }\n }, {\n key: 'read',\n value: function read() {\n if (IsReadableStreamDefaultReader(this) === false) {\n return Promise.reject(defaultReaderBrandCheckException('read'));\n }\n\n if (this._ownerReadableStream === undefined) {\n return Promise.reject(readerLockException('read from'));\n }\n\n return ReadableStreamDefaultReaderRead(this);\n }\n }, {\n key: 'releaseLock',\n value: function releaseLock() {\n if (IsReadableStreamDefaultReader(this) === false) {\n throw defaultReaderBrandCheckException('releaseLock');\n }\n\n if (this._ownerReadableStream === undefined) {\n return;\n }\n\n if (this._readRequests.length > 0) {\n throw new TypeError('Tried to release a reader lock when that reader has pending read() calls un-settled');\n }\n\n ReadableStreamReaderGenericRelease(this);\n }\n }, {\n key: 'closed',\n get: function get() {\n if (IsReadableStreamDefaultReader(this) === false) {\n return Promise.reject(defaultReaderBrandCheckException('closed'));\n }\n\n return this._closedPromise;\n }\n }]);\n\n return ReadableStreamDefaultReader;\n}();\n\nvar ReadableStreamBYOBReader = function () {\n function ReadableStreamBYOBReader(stream) {\n _classCallCheck(this, ReadableStreamBYOBReader);\n\n if (!IsReadableStream(stream)) {\n throw new TypeError('ReadableStreamBYOBReader can only be constructed with a ReadableStream instance given a ' + 'byte source');\n }\n if (IsReadableByteStreamController(stream._readableStreamController) === false) {\n throw new TypeError('Cannot construct a ReadableStreamBYOBReader for a stream not constructed with a byte ' + 'source');\n }\n if (IsReadableStreamLocked(stream)) {\n throw new TypeError('This stream has already been locked for exclusive reading by another reader');\n }\n\n ReadableStreamReaderGenericInitialize(this, stream);\n\n this._readIntoRequests = [];\n }\n\n _createClass(ReadableStreamBYOBReader, [{\n key: 'cancel',\n value: function cancel(reason) {\n if (!IsReadableStreamBYOBReader(this)) {\n return Promise.reject(byobReaderBrandCheckException('cancel'));\n }\n\n if (this._ownerReadableStream === undefined) {\n return Promise.reject(readerLockException('cancel'));\n }\n\n return ReadableStreamReaderGenericCancel(this, reason);\n }\n }, {\n key: 'read',\n value: function read(view) {\n if (!IsReadableStreamBYOBReader(this)) {\n return Promise.reject(byobReaderBrandCheckException('read'));\n }\n\n if (this._ownerReadableStream === undefined) {\n return Promise.reject(readerLockException('read from'));\n }\n\n if (!ArrayBuffer.isView(view)) {\n return Promise.reject(new TypeError('view must be an array buffer view'));\n }\n\n if (view.byteLength === 0) {\n return Promise.reject(new TypeError('view must have non-zero byteLength'));\n }\n\n return ReadableStreamBYOBReaderRead(this, view);\n }\n }, {\n key: 'releaseLock',\n value: function releaseLock() {\n if (!IsReadableStreamBYOBReader(this)) {\n throw byobReaderBrandCheckException('releaseLock');\n }\n\n if (this._ownerReadableStream === undefined) {\n return;\n }\n\n if (this._readIntoRequests.length > 0) {\n throw new TypeError('Tried to release a reader lock when that reader has pending read() calls un-settled');\n }\n\n ReadableStreamReaderGenericRelease(this);\n }\n }, {\n key: 'closed',\n get: function get() {\n if (!IsReadableStreamBYOBReader(this)) {\n return Promise.reject(byobReaderBrandCheckException('closed'));\n }\n\n return this._closedPromise;\n }\n }]);\n\n return ReadableStreamBYOBReader;\n}();\n\n// Abstract operations for the readers.\n\nfunction IsReadableStreamBYOBReader(x) {\n if (!typeIsObject(x)) {\n return false;\n }\n\n if (!Object.prototype.hasOwnProperty.call(x, '_readIntoRequests')) {\n return false;\n }\n\n return true;\n}\n\nfunction IsReadableStreamDefaultReader(x) {\n if (!typeIsObject(x)) {\n return false;\n }\n\n if (!Object.prototype.hasOwnProperty.call(x, '_readRequests')) {\n return false;\n }\n\n return true;\n}\n\nfunction ReadableStreamReaderGenericInitialize(reader, stream) {\n reader._ownerReadableStream = stream;\n stream._reader = reader;\n\n if (stream._state === 'readable') {\n defaultReaderClosedPromiseInitialize(reader);\n } else if (stream._state === 'closed') {\n defaultReaderClosedPromiseInitializeAsResolved(reader);\n } else {\n assert(stream._state === 'errored', 'state must be errored');\n\n defaultReaderClosedPromiseInitializeAsRejected(reader, stream._storedError);\n reader._closedPromise.catch(function () {});\n }\n}\n\n// A client of ReadableStreamDefaultReader and ReadableStreamBYOBReader may use these functions directly to bypass state\n// check.\n\nfunction ReadableStreamReaderGenericCancel(reader, reason) {\n var stream = reader._ownerReadableStream;\n assert(stream !== undefined);\n return ReadableStreamCancel(stream, reason);\n}\n\nfunction ReadableStreamReaderGenericRelease(reader) {\n assert(reader._ownerReadableStream !== undefined);\n assert(reader._ownerReadableStream._reader === reader);\n\n if (reader._ownerReadableStream._state === 'readable') {\n defaultReaderClosedPromiseReject(reader, new TypeError('Reader was released and can no longer be used to monitor the stream\\'s closedness'));\n } else {\n defaultReaderClosedPromiseResetToRejected(reader, new TypeError('Reader was released and can no longer be used to monitor the stream\\'s closedness'));\n }\n reader._closedPromise.catch(function () {});\n\n reader._ownerReadableStream._reader = undefined;\n reader._ownerReadableStream = undefined;\n}\n\nfunction ReadableStreamBYOBReaderRead(reader, view) {\n var stream = reader._ownerReadableStream;\n\n assert(stream !== undefined);\n\n stream._disturbed = true;\n\n if (stream._state === 'errored') {\n return Promise.reject(stream._storedError);\n }\n\n // Controllers must implement this.\n return ReadableByteStreamControllerPullInto(stream._readableStreamController, view);\n}\n\nfunction ReadableStreamDefaultReaderRead(reader) {\n var stream = reader._ownerReadableStream;\n\n assert(stream !== undefined);\n\n stream._disturbed = true;\n\n if (stream._state === 'closed') {\n return Promise.resolve(CreateIterResultObject(undefined, true));\n }\n\n if (stream._state === 'errored') {\n return Promise.reject(stream._storedError);\n }\n\n assert(stream._state === 'readable');\n\n return stream._readableStreamController.__pullSteps();\n}\n\n// Controllers\n\nvar ReadableStreamDefaultController = function () {\n function ReadableStreamDefaultController(stream, underlyingSource, size, highWaterMark) {\n _classCallCheck(this, ReadableStreamDefaultController);\n\n if (IsReadableStream(stream) === false) {\n throw new TypeError('ReadableStreamDefaultController can only be constructed with a ReadableStream instance');\n }\n\n if (stream._readableStreamController !== undefined) {\n throw new TypeError('ReadableStreamDefaultController instances can only be created by the ReadableStream constructor');\n }\n\n this._controlledReadableStream = stream;\n\n this._underlyingSource = underlyingSource;\n\n // Need to set the slots so that the assert doesn't fire. In the spec the slots already exist implicitly.\n this._queue = undefined;\n this._queueTotalSize = undefined;\n ResetQueue(this);\n\n this._started = false;\n this._closeRequested = false;\n this._pullAgain = false;\n this._pulling = false;\n\n var normalizedStrategy = ValidateAndNormalizeQueuingStrategy(size, highWaterMark);\n this._strategySize = normalizedStrategy.size;\n this._strategyHWM = normalizedStrategy.highWaterMark;\n\n var controller = this;\n\n var startResult = InvokeOrNoop(underlyingSource, 'start', [this]);\n Promise.resolve(startResult).then(function () {\n controller._started = true;\n\n assert(controller._pulling === false);\n assert(controller._pullAgain === false);\n\n ReadableStreamDefaultControllerCallPullIfNeeded(controller);\n }, function (r) {\n ReadableStreamDefaultControllerErrorIfNeeded(controller, r);\n }).catch(rethrowAssertionErrorRejection);\n }\n\n _createClass(ReadableStreamDefaultController, [{\n key: 'close',\n value: function close() {\n if (IsReadableStreamDefaultController(this) === false) {\n throw defaultControllerBrandCheckException('close');\n }\n\n if (this._closeRequested === true) {\n throw new TypeError('The stream has already been closed; do not close it again!');\n }\n\n var state = this._controlledReadableStream._state;\n if (state !== 'readable') {\n throw new TypeError('The stream (in ' + state + ' state) is not in the readable state and cannot be closed');\n }\n\n ReadableStreamDefaultControllerClose(this);\n }\n }, {\n key: 'enqueue',\n value: function enqueue(chunk) {\n if (IsReadableStreamDefaultController(this) === false) {\n throw defaultControllerBrandCheckException('enqueue');\n }\n\n if (this._closeRequested === true) {\n throw new TypeError('stream is closed or draining');\n }\n\n var state = this._controlledReadableStream._state;\n if (state !== 'readable') {\n throw new TypeError('The stream (in ' + state + ' state) is not in the readable state and cannot be enqueued to');\n }\n\n return ReadableStreamDefaultControllerEnqueue(this, chunk);\n }\n }, {\n key: 'error',\n value: function error(e) {\n if (IsReadableStreamDefaultController(this) === false) {\n throw defaultControllerBrandCheckException('error');\n }\n\n var stream = this._controlledReadableStream;\n if (stream._state !== 'readable') {\n throw new TypeError('The stream is ' + stream._state + ' and so cannot be errored');\n }\n\n ReadableStreamDefaultControllerError(this, e);\n }\n }, {\n key: '__cancelSteps',\n value: function __cancelSteps(reason) {\n ResetQueue(this);\n return PromiseInvokeOrNoop(this._underlyingSource, 'cancel', [reason]);\n }\n }, {\n key: '__pullSteps',\n value: function __pullSteps() {\n var stream = this._controlledReadableStream;\n\n if (this._queue.length > 0) {\n var chunk = DequeueValue(this);\n\n if (this._closeRequested === true && this._queue.length === 0) {\n ReadableStreamClose(stream);\n } else {\n ReadableStreamDefaultControllerCallPullIfNeeded(this);\n }\n\n return Promise.resolve(CreateIterResultObject(chunk, false));\n }\n\n var pendingPromise = ReadableStreamAddReadRequest(stream);\n ReadableStreamDefaultControllerCallPullIfNeeded(this);\n return pendingPromise;\n }\n }, {\n key: 'desiredSize',\n get: function get() {\n if (IsReadableStreamDefaultController(this) === false) {\n throw defaultControllerBrandCheckException('desiredSize');\n }\n\n return ReadableStreamDefaultControllerGetDesiredSize(this);\n }\n }]);\n\n return ReadableStreamDefaultController;\n}();\n\n// Abstract operations for the ReadableStreamDefaultController.\n\nfunction IsReadableStreamDefaultController(x) {\n if (!typeIsObject(x)) {\n return false;\n }\n\n if (!Object.prototype.hasOwnProperty.call(x, '_underlyingSource')) {\n return false;\n }\n\n return true;\n}\n\nfunction ReadableStreamDefaultControllerCallPullIfNeeded(controller) {\n var shouldPull = ReadableStreamDefaultControllerShouldCallPull(controller);\n if (shouldPull === false) {\n return undefined;\n }\n\n if (controller._pulling === true) {\n controller._pullAgain = true;\n return undefined;\n }\n\n assert(controller._pullAgain === false);\n\n controller._pulling = true;\n\n var pullPromise = PromiseInvokeOrNoop(controller._underlyingSource, 'pull', [controller]);\n pullPromise.then(function () {\n controller._pulling = false;\n\n if (controller._pullAgain === true) {\n controller._pullAgain = false;\n return ReadableStreamDefaultControllerCallPullIfNeeded(controller);\n }\n return undefined;\n }, function (e) {\n ReadableStreamDefaultControllerErrorIfNeeded(controller, e);\n }).catch(rethrowAssertionErrorRejection);\n\n return undefined;\n}\n\nfunction ReadableStreamDefaultControllerShouldCallPull(controller) {\n var stream = controller._controlledReadableStream;\n\n if (stream._state === 'closed' || stream._state === 'errored') {\n return false;\n }\n\n if (controller._closeRequested === true) {\n return false;\n }\n\n if (controller._started === false) {\n return false;\n }\n\n if (IsReadableStreamLocked(stream) === true && ReadableStreamGetNumReadRequests(stream) > 0) {\n return true;\n }\n\n var desiredSize = ReadableStreamDefaultControllerGetDesiredSize(controller);\n if (desiredSize > 0) {\n return true;\n }\n\n return false;\n}\n\n// A client of ReadableStreamDefaultController may use these functions directly to bypass state check.\n\nfunction ReadableStreamDefaultControllerClose(controller) {\n var stream = controller._controlledReadableStream;\n\n assert(controller._closeRequested === false);\n assert(stream._state === 'readable');\n\n controller._closeRequested = true;\n\n if (controller._queue.length === 0) {\n ReadableStreamClose(stream);\n }\n}\n\nfunction ReadableStreamDefaultControllerEnqueue(controller, chunk) {\n var stream = controller._controlledReadableStream;\n\n assert(controller._closeRequested === false);\n assert(stream._state === 'readable');\n\n if (IsReadableStreamLocked(stream) === true && ReadableStreamGetNumReadRequests(stream) > 0) {\n ReadableStreamFulfillReadRequest(stream, chunk, false);\n } else {\n var chunkSize = 1;\n\n if (controller._strategySize !== undefined) {\n var strategySize = controller._strategySize;\n try {\n chunkSize = strategySize(chunk);\n } catch (chunkSizeE) {\n ReadableStreamDefaultControllerErrorIfNeeded(controller, chunkSizeE);\n throw chunkSizeE;\n }\n }\n\n try {\n EnqueueValueWithSize(controller, chunk, chunkSize);\n } catch (enqueueE) {\n ReadableStreamDefaultControllerErrorIfNeeded(controller, enqueueE);\n throw enqueueE;\n }\n }\n\n ReadableStreamDefaultControllerCallPullIfNeeded(controller);\n\n return undefined;\n}\n\nfunction ReadableStreamDefaultControllerError(controller, e) {\n var stream = controller._controlledReadableStream;\n\n assert(stream._state === 'readable');\n\n ResetQueue(controller);\n\n ReadableStreamError(stream, e);\n}\n\nfunction ReadableStreamDefaultControllerErrorIfNeeded(controller, e) {\n if (controller._controlledReadableStream._state === 'readable') {\n ReadableStreamDefaultControllerError(controller, e);\n }\n}\n\nfunction ReadableStreamDefaultControllerGetDesiredSize(controller) {\n var stream = controller._controlledReadableStream;\n var state = stream._state;\n\n if (state === 'errored') {\n return null;\n }\n if (state === 'closed') {\n return 0;\n }\n\n return controller._strategyHWM - controller._queueTotalSize;\n}\n\nvar ReadableStreamBYOBRequest = function () {\n function ReadableStreamBYOBRequest(controller, view) {\n _classCallCheck(this, ReadableStreamBYOBRequest);\n\n this._associatedReadableByteStreamController = controller;\n this._view = view;\n }\n\n _createClass(ReadableStreamBYOBRequest, [{\n key: 'respond',\n value: function respond(bytesWritten) {\n if (IsReadableStreamBYOBRequest(this) === false) {\n throw byobRequestBrandCheckException('respond');\n }\n\n if (this._associatedReadableByteStreamController === undefined) {\n throw new TypeError('This BYOB request has been invalidated');\n }\n\n ReadableByteStreamControllerRespond(this._associatedReadableByteStreamController, bytesWritten);\n }\n }, {\n key: 'respondWithNewView',\n value: function respondWithNewView(view) {\n if (IsReadableStreamBYOBRequest(this) === false) {\n throw byobRequestBrandCheckException('respond');\n }\n\n if (this._associatedReadableByteStreamController === undefined) {\n throw new TypeError('This BYOB request has been invalidated');\n }\n\n if (!ArrayBuffer.isView(view)) {\n throw new TypeError('You can only respond with array buffer views');\n }\n\n ReadableByteStreamControllerRespondWithNewView(this._associatedReadableByteStreamController, view);\n }\n }, {\n key: 'view',\n get: function get() {\n return this._view;\n }\n }]);\n\n return ReadableStreamBYOBRequest;\n}();\n\nvar ReadableByteStreamController = function () {\n function ReadableByteStreamController(stream, underlyingByteSource, highWaterMark) {\n _classCallCheck(this, ReadableByteStreamController);\n\n if (IsReadableStream(stream) === false) {\n throw new TypeError('ReadableByteStreamController can only be constructed with a ReadableStream instance given ' + 'a byte source');\n }\n\n if (stream._readableStreamController !== undefined) {\n throw new TypeError('ReadableByteStreamController instances can only be created by the ReadableStream constructor given a byte ' + 'source');\n }\n\n this._controlledReadableStream = stream;\n\n this._underlyingByteSource = underlyingByteSource;\n\n this._pullAgain = false;\n this._pulling = false;\n\n ReadableByteStreamControllerClearPendingPullIntos(this);\n\n // Need to set the slots so that the assert doesn't fire. In the spec the slots already exist implicitly.\n this._queue = this._queueTotalSize = undefined;\n ResetQueue(this);\n\n this._closeRequested = false;\n this._started = false;\n\n this._strategyHWM = ValidateAndNormalizeHighWaterMark(highWaterMark);\n\n var autoAllocateChunkSize = underlyingByteSource.autoAllocateChunkSize;\n if (autoAllocateChunkSize !== undefined) {\n if (Number.isInteger(autoAllocateChunkSize) === false || autoAllocateChunkSize <= 0) {\n throw new RangeError('autoAllocateChunkSize must be a positive integer');\n }\n }\n this._autoAllocateChunkSize = autoAllocateChunkSize;\n\n this._pendingPullIntos = [];\n\n var controller = this;\n\n var startResult = InvokeOrNoop(underlyingByteSource, 'start', [this]);\n Promise.resolve(startResult).then(function () {\n controller._started = true;\n\n assert(controller._pulling === false);\n assert(controller._pullAgain === false);\n\n ReadableByteStreamControllerCallPullIfNeeded(controller);\n }, function (r) {\n if (stream._state === 'readable') {\n ReadableByteStreamControllerError(controller, r);\n }\n }).catch(rethrowAssertionErrorRejection);\n }\n\n _createClass(ReadableByteStreamController, [{\n key: 'close',\n value: function close() {\n if (IsReadableByteStreamController(this) === false) {\n throw byteStreamControllerBrandCheckException('close');\n }\n\n if (this._closeRequested === true) {\n throw new TypeError('The stream has already been closed; do not close it again!');\n }\n\n var state = this._controlledReadableStream._state;\n if (state !== 'readable') {\n throw new TypeError('The stream (in ' + state + ' state) is not in the readable state and cannot be closed');\n }\n\n ReadableByteStreamControllerClose(this);\n }\n }, {\n key: 'enqueue',\n value: function enqueue(chunk) {\n if (IsReadableByteStreamController(this) === false) {\n throw byteStreamControllerBrandCheckException('enqueue');\n }\n\n if (this._closeRequested === true) {\n throw new TypeError('stream is closed or draining');\n }\n\n var state = this._controlledReadableStream._state;\n if (state !== 'readable') {\n throw new TypeError('The stream (in ' + state + ' state) is not in the readable state and cannot be enqueued to');\n }\n\n if (!ArrayBuffer.isView(chunk)) {\n throw new TypeError('You can only enqueue array buffer views when using a ReadableByteStreamController');\n }\n\n ReadableByteStreamControllerEnqueue(this, chunk);\n }\n }, {\n key: 'error',\n value: function error(e) {\n if (IsReadableByteStreamController(this) === false) {\n throw byteStreamControllerBrandCheckException('error');\n }\n\n var stream = this._controlledReadableStream;\n if (stream._state !== 'readable') {\n throw new TypeError('The stream is ' + stream._state + ' and so cannot be errored');\n }\n\n ReadableByteStreamControllerError(this, e);\n }\n }, {\n key: '__cancelSteps',\n value: function __cancelSteps(reason) {\n if (this._pendingPullIntos.length > 0) {\n var firstDescriptor = this._pendingPullIntos[0];\n firstDescriptor.bytesFilled = 0;\n }\n\n ResetQueue(this);\n\n return PromiseInvokeOrNoop(this._underlyingByteSource, 'cancel', [reason]);\n }\n }, {\n key: '__pullSteps',\n value: function __pullSteps() {\n var stream = this._controlledReadableStream;\n assert(ReadableStreamHasDefaultReader(stream) === true);\n\n if (this._queueTotalSize > 0) {\n assert(ReadableStreamGetNumReadRequests(stream) === 0);\n\n var entry = this._queue.shift();\n this._queueTotalSize -= entry.byteLength;\n\n ReadableByteStreamControllerHandleQueueDrain(this);\n\n var view = void 0;\n try {\n view = new Uint8Array(entry.buffer, entry.byteOffset, entry.byteLength);\n } catch (viewE) {\n return Promise.reject(viewE);\n }\n\n return Promise.resolve(CreateIterResultObject(view, false));\n }\n\n var autoAllocateChunkSize = this._autoAllocateChunkSize;\n if (autoAllocateChunkSize !== undefined) {\n var buffer = void 0;\n try {\n buffer = new ArrayBuffer(autoAllocateChunkSize);\n } catch (bufferE) {\n return Promise.reject(bufferE);\n }\n\n var pullIntoDescriptor = {\n buffer: buffer,\n byteOffset: 0,\n byteLength: autoAllocateChunkSize,\n bytesFilled: 0,\n elementSize: 1,\n ctor: Uint8Array,\n readerType: 'default'\n };\n\n this._pendingPullIntos.push(pullIntoDescriptor);\n }\n\n var promise = ReadableStreamAddReadRequest(stream);\n\n ReadableByteStreamControllerCallPullIfNeeded(this);\n\n return promise;\n }\n }, {\n key: 'byobRequest',\n get: function get() {\n if (IsReadableByteStreamController(this) === false) {\n throw byteStreamControllerBrandCheckException('byobRequest');\n }\n\n if (this._byobRequest === undefined && this._pendingPullIntos.length > 0) {\n var firstDescriptor = this._pendingPullIntos[0];\n var view = new Uint8Array(firstDescriptor.buffer, firstDescriptor.byteOffset + firstDescriptor.bytesFilled, firstDescriptor.byteLength - firstDescriptor.bytesFilled);\n\n this._byobRequest = new ReadableStreamBYOBRequest(this, view);\n }\n\n return this._byobRequest;\n }\n }, {\n key: 'desiredSize',\n get: function get() {\n if (IsReadableByteStreamController(this) === false) {\n throw byteStreamControllerBrandCheckException('desiredSize');\n }\n\n return ReadableByteStreamControllerGetDesiredSize(this);\n }\n }]);\n\n return ReadableByteStreamController;\n}();\n\n// Abstract operations for the ReadableByteStreamController.\n\nfunction IsReadableByteStreamController(x) {\n if (!typeIsObject(x)) {\n return false;\n }\n\n if (!Object.prototype.hasOwnProperty.call(x, '_underlyingByteSource')) {\n return false;\n }\n\n return true;\n}\n\nfunction IsReadableStreamBYOBRequest(x) {\n if (!typeIsObject(x)) {\n return false;\n }\n\n if (!Object.prototype.hasOwnProperty.call(x, '_associatedReadableByteStreamController')) {\n return false;\n }\n\n return true;\n}\n\nfunction ReadableByteStreamControllerCallPullIfNeeded(controller) {\n var shouldPull = ReadableByteStreamControllerShouldCallPull(controller);\n if (shouldPull === false) {\n return undefined;\n }\n\n if (controller._pulling === true) {\n controller._pullAgain = true;\n return undefined;\n }\n\n assert(controller._pullAgain === false);\n\n controller._pulling = true;\n\n // TODO: Test controller argument\n var pullPromise = PromiseInvokeOrNoop(controller._underlyingByteSource, 'pull', [controller]);\n pullPromise.then(function () {\n controller._pulling = false;\n\n if (controller._pullAgain === true) {\n controller._pullAgain = false;\n ReadableByteStreamControllerCallPullIfNeeded(controller);\n }\n }, function (e) {\n if (controller._controlledReadableStream._state === 'readable') {\n ReadableByteStreamControllerError(controller, e);\n }\n }).catch(rethrowAssertionErrorRejection);\n\n return undefined;\n}\n\nfunction ReadableByteStreamControllerClearPendingPullIntos(controller) {\n ReadableByteStreamControllerInvalidateBYOBRequest(controller);\n controller._pendingPullIntos = [];\n}\n\nfunction ReadableByteStreamControllerCommitPullIntoDescriptor(stream, pullIntoDescriptor) {\n assert(stream._state !== 'errored', 'state must not be errored');\n\n var done = false;\n if (stream._state === 'closed') {\n assert(pullIntoDescriptor.bytesFilled === 0);\n done = true;\n }\n\n var filledView = ReadableByteStreamControllerConvertPullIntoDescriptor(pullIntoDescriptor);\n if (pullIntoDescriptor.readerType === 'default') {\n ReadableStreamFulfillReadRequest(stream, filledView, done);\n } else {\n assert(pullIntoDescriptor.readerType === 'byob');\n ReadableStreamFulfillReadIntoRequest(stream, filledView, done);\n }\n}\n\nfunction ReadableByteStreamControllerConvertPullIntoDescriptor(pullIntoDescriptor) {\n var bytesFilled = pullIntoDescriptor.bytesFilled;\n var elementSize = pullIntoDescriptor.elementSize;\n\n assert(bytesFilled <= pullIntoDescriptor.byteLength);\n assert(bytesFilled % elementSize === 0);\n\n return new pullIntoDescriptor.ctor(pullIntoDescriptor.buffer, pullIntoDescriptor.byteOffset, bytesFilled / elementSize);\n}\n\nfunction ReadableByteStreamControllerEnqueueChunkToQueue(controller, buffer, byteOffset, byteLength) {\n controller._queue.push({ buffer: buffer, byteOffset: byteOffset, byteLength: byteLength });\n controller._queueTotalSize += byteLength;\n}\n\nfunction ReadableByteStreamControllerFillPullIntoDescriptorFromQueue(controller, pullIntoDescriptor) {\n var elementSize = pullIntoDescriptor.elementSize;\n\n var currentAlignedBytes = pullIntoDescriptor.bytesFilled - pullIntoDescriptor.bytesFilled % elementSize;\n\n var maxBytesToCopy = Math.min(controller._queueTotalSize, pullIntoDescriptor.byteLength - pullIntoDescriptor.bytesFilled);\n var maxBytesFilled = pullIntoDescriptor.bytesFilled + maxBytesToCopy;\n var maxAlignedBytes = maxBytesFilled - maxBytesFilled % elementSize;\n\n var totalBytesToCopyRemaining = maxBytesToCopy;\n var ready = false;\n if (maxAlignedBytes > currentAlignedBytes) {\n totalBytesToCopyRemaining = maxAlignedBytes - pullIntoDescriptor.bytesFilled;\n ready = true;\n }\n\n var queue = controller._queue;\n\n while (totalBytesToCopyRemaining > 0) {\n var headOfQueue = queue[0];\n\n var bytesToCopy = Math.min(totalBytesToCopyRemaining, headOfQueue.byteLength);\n\n var destStart = pullIntoDescriptor.byteOffset + pullIntoDescriptor.bytesFilled;\n ArrayBufferCopy(pullIntoDescriptor.buffer, destStart, headOfQueue.buffer, headOfQueue.byteOffset, bytesToCopy);\n\n if (headOfQueue.byteLength === bytesToCopy) {\n queue.shift();\n } else {\n headOfQueue.byteOffset += bytesToCopy;\n headOfQueue.byteLength -= bytesToCopy;\n }\n controller._queueTotalSize -= bytesToCopy;\n\n ReadableByteStreamControllerFillHeadPullIntoDescriptor(controller, bytesToCopy, pullIntoDescriptor);\n\n totalBytesToCopyRemaining -= bytesToCopy;\n }\n\n if (ready === false) {\n assert(controller._queueTotalSize === 0, 'queue must be empty');\n assert(pullIntoDescriptor.bytesFilled > 0);\n assert(pullIntoDescriptor.bytesFilled < pullIntoDescriptor.elementSize);\n }\n\n return ready;\n}\n\nfunction ReadableByteStreamControllerFillHeadPullIntoDescriptor(controller, size, pullIntoDescriptor) {\n assert(controller._pendingPullIntos.length === 0 || controller._pendingPullIntos[0] === pullIntoDescriptor);\n\n ReadableByteStreamControllerInvalidateBYOBRequest(controller);\n pullIntoDescriptor.bytesFilled += size;\n}\n\nfunction ReadableByteStreamControllerHandleQueueDrain(controller) {\n assert(controller._controlledReadableStream._state === 'readable');\n\n if (controller._queueTotalSize === 0 && controller._closeRequested === true) {\n ReadableStreamClose(controller._controlledReadableStream);\n } else {\n ReadableByteStreamControllerCallPullIfNeeded(controller);\n }\n}\n\nfunction ReadableByteStreamControllerInvalidateBYOBRequest(controller) {\n if (controller._byobRequest === undefined) {\n return;\n }\n\n controller._byobRequest._associatedReadableByteStreamController = undefined;\n controller._byobRequest._view = undefined;\n controller._byobRequest = undefined;\n}\n\nfunction ReadableByteStreamControllerProcessPullIntoDescriptorsUsingQueue(controller) {\n assert(controller._closeRequested === false);\n\n while (controller._pendingPullIntos.length > 0) {\n if (controller._queueTotalSize === 0) {\n return;\n }\n\n var pullIntoDescriptor = controller._pendingPullIntos[0];\n\n if (ReadableByteStreamControllerFillPullIntoDescriptorFromQueue(controller, pullIntoDescriptor) === true) {\n ReadableByteStreamControllerShiftPendingPullInto(controller);\n\n ReadableByteStreamControllerCommitPullIntoDescriptor(controller._controlledReadableStream, pullIntoDescriptor);\n }\n }\n}\n\nfunction ReadableByteStreamControllerPullInto(controller, view) {\n var stream = controller._controlledReadableStream;\n\n var elementSize = 1;\n if (view.constructor !== DataView) {\n elementSize = view.constructor.BYTES_PER_ELEMENT;\n }\n\n var ctor = view.constructor;\n\n var pullIntoDescriptor = {\n buffer: view.buffer,\n byteOffset: view.byteOffset,\n byteLength: view.byteLength,\n bytesFilled: 0,\n elementSize: elementSize,\n ctor: ctor,\n readerType: 'byob'\n };\n\n if (controller._pendingPullIntos.length > 0) {\n pullIntoDescriptor.buffer = TransferArrayBuffer(pullIntoDescriptor.buffer);\n controller._pendingPullIntos.push(pullIntoDescriptor);\n\n // No ReadableByteStreamControllerCallPullIfNeeded() call since:\n // - No change happens on desiredSize\n // - The source has already been notified of that there's at least 1 pending read(view)\n\n return ReadableStreamAddReadIntoRequest(stream);\n }\n\n if (stream._state === 'closed') {\n var emptyView = new view.constructor(pullIntoDescriptor.buffer, pullIntoDescriptor.byteOffset, 0);\n return Promise.resolve(CreateIterResultObject(emptyView, true));\n }\n\n if (controller._queueTotalSize > 0) {\n if (ReadableByteStreamControllerFillPullIntoDescriptorFromQueue(controller, pullIntoDescriptor) === true) {\n var filledView = ReadableByteStreamControllerConvertPullIntoDescriptor(pullIntoDescriptor);\n\n ReadableByteStreamControllerHandleQueueDrain(controller);\n\n return Promise.resolve(CreateIterResultObject(filledView, false));\n }\n\n if (controller._closeRequested === true) {\n var e = new TypeError('Insufficient bytes to fill elements in the given buffer');\n ReadableByteStreamControllerError(controller, e);\n\n return Promise.reject(e);\n }\n }\n\n pullIntoDescriptor.buffer = TransferArrayBuffer(pullIntoDescriptor.buffer);\n controller._pendingPullIntos.push(pullIntoDescriptor);\n\n var promise = ReadableStreamAddReadIntoRequest(stream);\n\n ReadableByteStreamControllerCallPullIfNeeded(controller);\n\n return promise;\n}\n\nfunction ReadableByteStreamControllerRespondInClosedState(controller, firstDescriptor) {\n firstDescriptor.buffer = TransferArrayBuffer(firstDescriptor.buffer);\n\n assert(firstDescriptor.bytesFilled === 0, 'bytesFilled must be 0');\n\n var stream = controller._controlledReadableStream;\n if (ReadableStreamHasBYOBReader(stream) === true) {\n while (ReadableStreamGetNumReadIntoRequests(stream) > 0) {\n var pullIntoDescriptor = ReadableByteStreamControllerShiftPendingPullInto(controller);\n ReadableByteStreamControllerCommitPullIntoDescriptor(stream, pullIntoDescriptor);\n }\n }\n}\n\nfunction ReadableByteStreamControllerRespondInReadableState(controller, bytesWritten, pullIntoDescriptor) {\n if (pullIntoDescriptor.bytesFilled + bytesWritten > pullIntoDescriptor.byteLength) {\n throw new RangeError('bytesWritten out of range');\n }\n\n ReadableByteStreamControllerFillHeadPullIntoDescriptor(controller, bytesWritten, pullIntoDescriptor);\n\n if (pullIntoDescriptor.bytesFilled < pullIntoDescriptor.elementSize) {\n // TODO: Figure out whether we should detach the buffer or not here.\n return;\n }\n\n ReadableByteStreamControllerShiftPendingPullInto(controller);\n\n var remainderSize = pullIntoDescriptor.bytesFilled % pullIntoDescriptor.elementSize;\n if (remainderSize > 0) {\n var end = pullIntoDescriptor.byteOffset + pullIntoDescriptor.bytesFilled;\n var remainder = pullIntoDescriptor.buffer.slice(end - remainderSize, end);\n ReadableByteStreamControllerEnqueueChunkToQueue(controller, remainder, 0, remainder.byteLength);\n }\n\n pullIntoDescriptor.buffer = TransferArrayBuffer(pullIntoDescriptor.buffer);\n pullIntoDescriptor.bytesFilled -= remainderSize;\n ReadableByteStreamControllerCommitPullIntoDescriptor(controller._controlledReadableStream, pullIntoDescriptor);\n\n ReadableByteStreamControllerProcessPullIntoDescriptorsUsingQueue(controller);\n}\n\nfunction ReadableByteStreamControllerRespondInternal(controller, bytesWritten) {\n var firstDescriptor = controller._pendingPullIntos[0];\n\n var stream = controller._controlledReadableStream;\n\n if (stream._state === 'closed') {\n if (bytesWritten !== 0) {\n throw new TypeError('bytesWritten must be 0 when calling respond() on a closed stream');\n }\n\n ReadableByteStreamControllerRespondInClosedState(controller, firstDescriptor);\n } else {\n assert(stream._state === 'readable');\n\n ReadableByteStreamControllerRespondInReadableState(controller, bytesWritten, firstDescriptor);\n }\n}\n\nfunction ReadableByteStreamControllerShiftPendingPullInto(controller) {\n var descriptor = controller._pendingPullIntos.shift();\n ReadableByteStreamControllerInvalidateBYOBRequest(controller);\n return descriptor;\n}\n\nfunction ReadableByteStreamControllerShouldCallPull(controller) {\n var stream = controller._controlledReadableStream;\n\n if (stream._state !== 'readable') {\n return false;\n }\n\n if (controller._closeRequested === true) {\n return false;\n }\n\n if (controller._started === false) {\n return false;\n }\n\n if (ReadableStreamHasDefaultReader(stream) === true && ReadableStreamGetNumReadRequests(stream) > 0) {\n return true;\n }\n\n if (ReadableStreamHasBYOBReader(stream) === true && ReadableStreamGetNumReadIntoRequests(stream) > 0) {\n return true;\n }\n\n if (ReadableByteStreamControllerGetDesiredSize(controller) > 0) {\n return true;\n }\n\n return false;\n}\n\n// A client of ReadableByteStreamController may use these functions directly to bypass state check.\n\nfunction ReadableByteStreamControllerClose(controller) {\n var stream = controller._controlledReadableStream;\n\n assert(controller._closeRequested === false);\n assert(stream._state === 'readable');\n\n if (controller._queueTotalSize > 0) {\n controller._closeRequested = true;\n\n return;\n }\n\n if (controller._pendingPullIntos.length > 0) {\n var firstPendingPullInto = controller._pendingPullIntos[0];\n if (firstPendingPullInto.bytesFilled > 0) {\n var e = new TypeError('Insufficient bytes to fill elements in the given buffer');\n ReadableByteStreamControllerError(controller, e);\n\n throw e;\n }\n }\n\n ReadableStreamClose(stream);\n}\n\nfunction ReadableByteStreamControllerEnqueue(controller, chunk) {\n var stream = controller._controlledReadableStream;\n\n assert(controller._closeRequested === false);\n assert(stream._state === 'readable');\n\n var buffer = chunk.buffer;\n var byteOffset = chunk.byteOffset;\n var byteLength = chunk.byteLength;\n var transferredBuffer = TransferArrayBuffer(buffer);\n\n if (ReadableStreamHasDefaultReader(stream) === true) {\n if (ReadableStreamGetNumReadRequests(stream) === 0) {\n ReadableByteStreamControllerEnqueueChunkToQueue(controller, transferredBuffer, byteOffset, byteLength);\n } else {\n assert(controller._queue.length === 0);\n\n var transferredView = new Uint8Array(transferredBuffer, byteOffset, byteLength);\n ReadableStreamFulfillReadRequest(stream, transferredView, false);\n }\n } else if (ReadableStreamHasBYOBReader(stream) === true) {\n // TODO: Ideally in this branch detaching should happen only if the buffer is not consumed fully.\n ReadableByteStreamControllerEnqueueChunkToQueue(controller, transferredBuffer, byteOffset, byteLength);\n ReadableByteStreamControllerProcessPullIntoDescriptorsUsingQueue(controller);\n } else {\n assert(IsReadableStreamLocked(stream) === false, 'stream must not be locked');\n ReadableByteStreamControllerEnqueueChunkToQueue(controller, transferredBuffer, byteOffset, byteLength);\n }\n}\n\nfunction ReadableByteStreamControllerError(controller, e) {\n var stream = controller._controlledReadableStream;\n\n assert(stream._state === 'readable');\n\n ReadableByteStreamControllerClearPendingPullIntos(controller);\n\n ResetQueue(controller);\n ReadableStreamError(stream, e);\n}\n\nfunction ReadableByteStreamControllerGetDesiredSize(controller) {\n var stream = controller._controlledReadableStream;\n var state = stream._state;\n\n if (state === 'errored') {\n return null;\n }\n if (state === 'closed') {\n return 0;\n }\n\n return controller._strategyHWM - controller._queueTotalSize;\n}\n\nfunction ReadableByteStreamControllerRespond(controller, bytesWritten) {\n bytesWritten = Number(bytesWritten);\n if (IsFiniteNonNegativeNumber(bytesWritten) === false) {\n throw new RangeError('bytesWritten must be a finite');\n }\n\n assert(controller._pendingPullIntos.length > 0);\n\n ReadableByteStreamControllerRespondInternal(controller, bytesWritten);\n}\n\nfunction ReadableByteStreamControllerRespondWithNewView(controller, view) {\n assert(controller._pendingPullIntos.length > 0);\n\n var firstDescriptor = controller._pendingPullIntos[0];\n\n if (firstDescriptor.byteOffset + firstDescriptor.bytesFilled !== view.byteOffset) {\n throw new RangeError('The region specified by view does not match byobRequest');\n }\n if (firstDescriptor.byteLength !== view.byteLength) {\n throw new RangeError('The buffer of view has different capacity than byobRequest');\n }\n\n firstDescriptor.buffer = view.buffer;\n\n ReadableByteStreamControllerRespondInternal(controller, view.byteLength);\n}\n\n// Helper functions for the ReadableStream.\n\nfunction streamBrandCheckException(name) {\n return new TypeError('ReadableStream.prototype.' + name + ' can only be used on a ReadableStream');\n}\n\n// Helper functions for the readers.\n\nfunction readerLockException(name) {\n return new TypeError('Cannot ' + name + ' a stream using a released reader');\n}\n\n// Helper functions for the ReadableStreamDefaultReader.\n\nfunction defaultReaderBrandCheckException(name) {\n return new TypeError('ReadableStreamDefaultReader.prototype.' + name + ' can only be used on a ReadableStreamDefaultReader');\n}\n\nfunction defaultReaderClosedPromiseInitialize(reader) {\n reader._closedPromise = new Promise(function (resolve, reject) {\n reader._closedPromise_resolve = resolve;\n reader._closedPromise_reject = reject;\n });\n}\n\nfunction defaultReaderClosedPromiseInitializeAsRejected(reader, reason) {\n reader._closedPromise = Promise.reject(reason);\n reader._closedPromise_resolve = undefined;\n reader._closedPromise_reject = undefined;\n}\n\nfunction defaultReaderClosedPromiseInitializeAsResolved(reader) {\n reader._closedPromise = Promise.resolve(undefined);\n reader._closedPromise_resolve = undefined;\n reader._closedPromise_reject = undefined;\n}\n\nfunction defaultReaderClosedPromiseReject(reader, reason) {\n assert(reader._closedPromise_resolve !== undefined);\n assert(reader._closedPromise_reject !== undefined);\n\n reader._closedPromise_reject(reason);\n reader._closedPromise_resolve = undefined;\n reader._closedPromise_reject = undefined;\n}\n\nfunction defaultReaderClosedPromiseResetToRejected(reader, reason) {\n assert(reader._closedPromise_resolve === undefined);\n assert(reader._closedPromise_reject === undefined);\n\n reader._closedPromise = Promise.reject(reason);\n}\n\nfunction defaultReaderClosedPromiseResolve(reader) {\n assert(reader._closedPromise_resolve !== undefined);\n assert(reader._closedPromise_reject !== undefined);\n\n reader._closedPromise_resolve(undefined);\n reader._closedPromise_resolve = undefined;\n reader._closedPromise_reject = undefined;\n}\n\n// Helper functions for the ReadableStreamDefaultReader.\n\nfunction byobReaderBrandCheckException(name) {\n return new TypeError('ReadableStreamBYOBReader.prototype.' + name + ' can only be used on a ReadableStreamBYOBReader');\n}\n\n// Helper functions for the ReadableStreamDefaultController.\n\nfunction defaultControllerBrandCheckException(name) {\n return new TypeError('ReadableStreamDefaultController.prototype.' + name + ' can only be used on a ReadableStreamDefaultController');\n}\n\n// Helper functions for the ReadableStreamBYOBRequest.\n\nfunction byobRequestBrandCheckException(name) {\n return new TypeError('ReadableStreamBYOBRequest.prototype.' + name + ' can only be used on a ReadableStreamBYOBRequest');\n}\n\n// Helper functions for the ReadableByteStreamController.\n\nfunction byteStreamControllerBrandCheckException(name) {\n return new TypeError('ReadableByteStreamController.prototype.' + name + ' can only be used on a ReadableByteStreamController');\n}\n\n// Helper function for ReadableStream pipeThrough\n\nfunction ifIsObjectAndHasAPromiseIsHandledInternalSlotSetPromiseIsHandledToTrue(promise) {\n try {\n // This relies on the brand-check that is enforced by Promise.prototype.then(). As with the rest of the reference\n // implementation, it doesn't attempt to do the right thing if someone has modified the global environment.\n Promise.prototype.then.call(promise, undefined, function () {});\n } catch (e) {\n // The brand check failed, therefore the internal slot is not present and there's nothing further to do.\n }\n}\n\n/***/ }),\n/* 5 */\n/***/ (function(module, exports, __w_pdfjs_require__) {\n\n\"use strict\";\n\n\nvar transformStream = __w_pdfjs_require__(6);\nvar readableStream = __w_pdfjs_require__(4);\nvar writableStream = __w_pdfjs_require__(2);\n\nexports.TransformStream = transformStream.TransformStream;\nexports.ReadableStream = readableStream.ReadableStream;\nexports.IsReadableStreamDisturbed = readableStream.IsReadableStreamDisturbed;\nexports.ReadableStreamDefaultControllerClose = readableStream.ReadableStreamDefaultControllerClose;\nexports.ReadableStreamDefaultControllerEnqueue = readableStream.ReadableStreamDefaultControllerEnqueue;\nexports.ReadableStreamDefaultControllerError = readableStream.ReadableStreamDefaultControllerError;\nexports.ReadableStreamDefaultControllerGetDesiredSize = readableStream.ReadableStreamDefaultControllerGetDesiredSize;\nexports.AcquireWritableStreamDefaultWriter = writableStream.AcquireWritableStreamDefaultWriter;\nexports.IsWritableStream = writableStream.IsWritableStream;\nexports.IsWritableStreamLocked = writableStream.IsWritableStreamLocked;\nexports.WritableStream = writableStream.WritableStream;\nexports.WritableStreamAbort = writableStream.WritableStreamAbort;\nexports.WritableStreamDefaultControllerError = writableStream.WritableStreamDefaultControllerError;\nexports.WritableStreamDefaultWriterCloseWithErrorPropagation = writableStream.WritableStreamDefaultWriterCloseWithErrorPropagation;\nexports.WritableStreamDefaultWriterRelease = writableStream.WritableStreamDefaultWriterRelease;\nexports.WritableStreamDefaultWriterWrite = writableStream.WritableStreamDefaultWriterWrite;\n\n/***/ }),\n/* 6 */\n/***/ (function(module, exports, __w_pdfjs_require__) {\n\n\"use strict\";\n\n\nvar _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nvar _require = __w_pdfjs_require__(1),\n assert = _require.assert;\n\nvar _require2 = __w_pdfjs_require__(0),\n InvokeOrNoop = _require2.InvokeOrNoop,\n PromiseInvokeOrPerformFallback = _require2.PromiseInvokeOrPerformFallback,\n PromiseInvokeOrNoop = _require2.PromiseInvokeOrNoop,\n typeIsObject = _require2.typeIsObject;\n\nvar _require3 = __w_pdfjs_require__(4),\n ReadableStream = _require3.ReadableStream,\n ReadableStreamDefaultControllerClose = _require3.ReadableStreamDefaultControllerClose,\n ReadableStreamDefaultControllerEnqueue = _require3.ReadableStreamDefaultControllerEnqueue,\n ReadableStreamDefaultControllerError = _require3.ReadableStreamDefaultControllerError,\n ReadableStreamDefaultControllerGetDesiredSize = _require3.ReadableStreamDefaultControllerGetDesiredSize;\n\nvar _require4 = __w_pdfjs_require__(2),\n WritableStream = _require4.WritableStream,\n WritableStreamDefaultControllerError = _require4.WritableStreamDefaultControllerError;\n\n// Methods on the transform stream controller object\n\nfunction TransformStreamCloseReadable(transformStream) {\n // console.log('TransformStreamCloseReadable()');\n\n if (transformStream._errored === true) {\n throw new TypeError('TransformStream is already errored');\n }\n\n if (transformStream._readableClosed === true) {\n throw new TypeError('Readable side is already closed');\n }\n\n TransformStreamCloseReadableInternal(transformStream);\n}\n\nfunction TransformStreamEnqueueToReadable(transformStream, chunk) {\n // console.log('TransformStreamEnqueueToReadable()');\n\n if (transformStream._errored === true) {\n throw new TypeError('TransformStream is already errored');\n }\n\n if (transformStream._readableClosed === true) {\n throw new TypeError('Readable side is already closed');\n }\n\n // We throttle transformer.transform invocation based on the backpressure of the ReadableStream, but we still\n // accept TransformStreamEnqueueToReadable() calls.\n\n var controller = transformStream._readableController;\n\n try {\n ReadableStreamDefaultControllerEnqueue(controller, chunk);\n } catch (e) {\n // This happens when readableStrategy.size() throws.\n // The ReadableStream has already errored itself.\n transformStream._readableClosed = true;\n TransformStreamErrorIfNeeded(transformStream, e);\n\n throw transformStream._storedError;\n }\n\n var desiredSize = ReadableStreamDefaultControllerGetDesiredSize(controller);\n var maybeBackpressure = desiredSize <= 0;\n\n if (maybeBackpressure === true && transformStream._backpressure === false) {\n // This allows pull() again. When desiredSize is 0, it's possible that a pull() will happen immediately (but\n // asynchronously) after this because of pending read()s and set _backpressure back to false.\n //\n // If pull() could be called from inside enqueue(), then this logic would be wrong. This cannot happen\n // because there is always a promise pending from start() or pull() when _backpressure is false.\n TransformStreamSetBackpressure(transformStream, true);\n }\n}\n\nfunction TransformStreamError(transformStream, e) {\n if (transformStream._errored === true) {\n throw new TypeError('TransformStream is already errored');\n }\n\n TransformStreamErrorInternal(transformStream, e);\n}\n\n// Abstract operations.\n\nfunction TransformStreamCloseReadableInternal(transformStream) {\n assert(transformStream._errored === false);\n assert(transformStream._readableClosed === false);\n\n try {\n ReadableStreamDefaultControllerClose(transformStream._readableController);\n } catch (e) {\n assert(false);\n }\n\n transformStream._readableClosed = true;\n}\n\nfunction TransformStreamErrorIfNeeded(transformStream, e) {\n if (transformStream._errored === false) {\n TransformStreamErrorInternal(transformStream, e);\n }\n}\n\nfunction TransformStreamErrorInternal(transformStream, e) {\n // console.log('TransformStreamErrorInternal()');\n\n assert(transformStream._errored === false);\n\n transformStream._errored = true;\n transformStream._storedError = e;\n\n if (transformStream._writableDone === false) {\n WritableStreamDefaultControllerError(transformStream._writableController, e);\n }\n if (transformStream._readableClosed === false) {\n ReadableStreamDefaultControllerError(transformStream._readableController, e);\n }\n}\n\n// Used for preventing the next write() call on TransformStreamSink until there\n// is no longer backpressure.\nfunction TransformStreamReadableReadyPromise(transformStream) {\n assert(transformStream._backpressureChangePromise !== undefined, '_backpressureChangePromise should have been initialized');\n\n if (transformStream._backpressure === false) {\n return Promise.resolve();\n }\n\n assert(transformStream._backpressure === true, '_backpressure should have been initialized');\n\n return transformStream._backpressureChangePromise;\n}\n\nfunction TransformStreamSetBackpressure(transformStream, backpressure) {\n // console.log(`TransformStreamSetBackpressure(${backpressure})`);\n\n // Passes also when called during construction.\n assert(transformStream._backpressure !== backpressure, 'TransformStreamSetBackpressure() should be called only when backpressure is changed');\n\n if (transformStream._backpressureChangePromise !== undefined) {\n // The fulfillment value is just for a sanity check.\n transformStream._backpressureChangePromise_resolve(backpressure);\n }\n\n transformStream._backpressureChangePromise = new Promise(function (resolve) {\n transformStream._backpressureChangePromise_resolve = resolve;\n });\n\n transformStream._backpressureChangePromise.then(function (resolution) {\n assert(resolution !== backpressure, '_backpressureChangePromise should be fulfilled only when backpressure is changed');\n });\n\n transformStream._backpressure = backpressure;\n}\n\nfunction TransformStreamDefaultTransform(chunk, transformStreamController) {\n var transformStream = transformStreamController._controlledTransformStream;\n TransformStreamEnqueueToReadable(transformStream, chunk);\n return Promise.resolve();\n}\n\nfunction TransformStreamTransform(transformStream, chunk) {\n // console.log('TransformStreamTransform()');\n\n assert(transformStream._errored === false);\n assert(transformStream._transforming === false);\n assert(transformStream._backpressure === false);\n\n transformStream._transforming = true;\n\n var transformer = transformStream._transformer;\n var controller = transformStream._transformStreamController;\n\n var transformPromise = PromiseInvokeOrPerformFallback(transformer, 'transform', [chunk, controller], TransformStreamDefaultTransform, [chunk, controller]);\n\n return transformPromise.then(function () {\n transformStream._transforming = false;\n\n return TransformStreamReadableReadyPromise(transformStream);\n }, function (e) {\n TransformStreamErrorIfNeeded(transformStream, e);\n return Promise.reject(e);\n });\n}\n\nfunction IsTransformStreamDefaultController(x) {\n if (!typeIsObject(x)) {\n return false;\n }\n\n if (!Object.prototype.hasOwnProperty.call(x, '_controlledTransformStream')) {\n return false;\n }\n\n return true;\n}\n\nfunction IsTransformStream(x) {\n if (!typeIsObject(x)) {\n return false;\n }\n\n if (!Object.prototype.hasOwnProperty.call(x, '_transformStreamController')) {\n return false;\n }\n\n return true;\n}\n\nvar TransformStreamSink = function () {\n function TransformStreamSink(transformStream, startPromise) {\n _classCallCheck(this, TransformStreamSink);\n\n this._transformStream = transformStream;\n this._startPromise = startPromise;\n }\n\n _createClass(TransformStreamSink, [{\n key: 'start',\n value: function start(c) {\n var transformStream = this._transformStream;\n\n transformStream._writableController = c;\n\n return this._startPromise.then(function () {\n return TransformStreamReadableReadyPromise(transformStream);\n });\n }\n }, {\n key: 'write',\n value: function write(chunk) {\n // console.log('TransformStreamSink.write()');\n\n var transformStream = this._transformStream;\n\n return TransformStreamTransform(transformStream, chunk);\n }\n }, {\n key: 'abort',\n value: function abort() {\n var transformStream = this._transformStream;\n transformStream._writableDone = true;\n TransformStreamErrorInternal(transformStream, new TypeError('Writable side aborted'));\n }\n }, {\n key: 'close',\n value: function close() {\n // console.log('TransformStreamSink.close()');\n\n var transformStream = this._transformStream;\n\n assert(transformStream._transforming === false);\n\n transformStream._writableDone = true;\n\n var flushPromise = PromiseInvokeOrNoop(transformStream._transformer, 'flush', [transformStream._transformStreamController]);\n // Return a promise that is fulfilled with undefined on success.\n return flushPromise.then(function () {\n if (transformStream._errored === true) {\n return Promise.reject(transformStream._storedError);\n }\n if (transformStream._readableClosed === false) {\n TransformStreamCloseReadableInternal(transformStream);\n }\n return Promise.resolve();\n }).catch(function (r) {\n TransformStreamErrorIfNeeded(transformStream, r);\n return Promise.reject(transformStream._storedError);\n });\n }\n }]);\n\n return TransformStreamSink;\n}();\n\nvar TransformStreamSource = function () {\n function TransformStreamSource(transformStream, startPromise) {\n _classCallCheck(this, TransformStreamSource);\n\n this._transformStream = transformStream;\n this._startPromise = startPromise;\n }\n\n _createClass(TransformStreamSource, [{\n key: 'start',\n value: function start(c) {\n var transformStream = this._transformStream;\n\n transformStream._readableController = c;\n\n return this._startPromise.then(function () {\n // Prevent the first pull() call until there is backpressure.\n\n assert(transformStream._backpressureChangePromise !== undefined, '_backpressureChangePromise should have been initialized');\n\n if (transformStream._backpressure === true) {\n return Promise.resolve();\n }\n\n assert(transformStream._backpressure === false, '_backpressure should have been initialized');\n\n return transformStream._backpressureChangePromise;\n });\n }\n }, {\n key: 'pull',\n value: function pull() {\n // console.log('TransformStreamSource.pull()');\n\n var transformStream = this._transformStream;\n\n // Invariant. Enforced by the promises returned by start() and pull().\n assert(transformStream._backpressure === true, 'pull() should be never called while _backpressure is false');\n\n assert(transformStream._backpressureChangePromise !== undefined, '_backpressureChangePromise should have been initialized');\n\n TransformStreamSetBackpressure(transformStream, false);\n\n // Prevent the next pull() call until there is backpressure.\n return transformStream._backpressureChangePromise;\n }\n }, {\n key: 'cancel',\n value: function cancel() {\n var transformStream = this._transformStream;\n transformStream._readableClosed = true;\n TransformStreamErrorInternal(transformStream, new TypeError('Readable side canceled'));\n }\n }]);\n\n return TransformStreamSource;\n}();\n\nvar TransformStreamDefaultController = function () {\n function TransformStreamDefaultController(transformStream) {\n _classCallCheck(this, TransformStreamDefaultController);\n\n if (IsTransformStream(transformStream) === false) {\n throw new TypeError('TransformStreamDefaultController can only be ' + 'constructed with a TransformStream instance');\n }\n\n if (transformStream._transformStreamController !== undefined) {\n throw new TypeError('TransformStreamDefaultController instances can ' + 'only be created by the TransformStream constructor');\n }\n\n this._controlledTransformStream = transformStream;\n }\n\n _createClass(TransformStreamDefaultController, [{\n key: 'enqueue',\n value: function enqueue(chunk) {\n if (IsTransformStreamDefaultController(this) === false) {\n throw defaultControllerBrandCheckException('enqueue');\n }\n\n TransformStreamEnqueueToReadable(this._controlledTransformStream, chunk);\n }\n }, {\n key: 'close',\n value: function close() {\n if (IsTransformStreamDefaultController(this) === false) {\n throw defaultControllerBrandCheckException('close');\n }\n\n TransformStreamCloseReadable(this._controlledTransformStream);\n }\n }, {\n key: 'error',\n value: function error(reason) {\n if (IsTransformStreamDefaultController(this) === false) {\n throw defaultControllerBrandCheckException('error');\n }\n\n TransformStreamError(this._controlledTransformStream, reason);\n }\n }, {\n key: 'desiredSize',\n get: function get() {\n if (IsTransformStreamDefaultController(this) === false) {\n throw defaultControllerBrandCheckException('desiredSize');\n }\n\n var transformStream = this._controlledTransformStream;\n var readableController = transformStream._readableController;\n\n return ReadableStreamDefaultControllerGetDesiredSize(readableController);\n }\n }]);\n\n return TransformStreamDefaultController;\n}();\n\nvar TransformStream = function () {\n function TransformStream() {\n var transformer = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};\n\n _classCallCheck(this, TransformStream);\n\n this._transformer = transformer;\n var readableStrategy = transformer.readableStrategy,\n writableStrategy = transformer.writableStrategy;\n\n\n this._transforming = false;\n this._errored = false;\n this._storedError = undefined;\n\n this._writableController = undefined;\n this._readableController = undefined;\n this._transformStreamController = undefined;\n\n this._writableDone = false;\n this._readableClosed = false;\n\n this._backpressure = undefined;\n this._backpressureChangePromise = undefined;\n this._backpressureChangePromise_resolve = undefined;\n\n this._transformStreamController = new TransformStreamDefaultController(this);\n\n var startPromise_resolve = void 0;\n var startPromise = new Promise(function (resolve) {\n startPromise_resolve = resolve;\n });\n\n var source = new TransformStreamSource(this, startPromise);\n\n this._readable = new ReadableStream(source, readableStrategy);\n\n var sink = new TransformStreamSink(this, startPromise);\n\n this._writable = new WritableStream(sink, writableStrategy);\n\n assert(this._writableController !== undefined);\n assert(this._readableController !== undefined);\n\n var desiredSize = ReadableStreamDefaultControllerGetDesiredSize(this._readableController);\n // Set _backpressure based on desiredSize. As there is no read() at this point, we can just interpret\n // desiredSize being non-positive as backpressure.\n TransformStreamSetBackpressure(this, desiredSize <= 0);\n\n var transformStream = this;\n var startResult = InvokeOrNoop(transformer, 'start', [transformStream._transformStreamController]);\n startPromise_resolve(startResult);\n startPromise.catch(function (e) {\n // The underlyingSink and underlyingSource will error the readable and writable ends on their own.\n if (transformStream._errored === false) {\n transformStream._errored = true;\n transformStream._storedError = e;\n }\n });\n }\n\n _createClass(TransformStream, [{\n key: 'readable',\n get: function get() {\n if (IsTransformStream(this) === false) {\n throw streamBrandCheckException('readable');\n }\n\n return this._readable;\n }\n }, {\n key: 'writable',\n get: function get() {\n if (IsTransformStream(this) === false) {\n throw streamBrandCheckException('writable');\n }\n\n return this._writable;\n }\n }]);\n\n return TransformStream;\n}();\n\nmodule.exports = { TransformStream: TransformStream };\n\n// Helper functions for the TransformStreamDefaultController.\n\nfunction defaultControllerBrandCheckException(name) {\n return new TypeError('TransformStreamDefaultController.prototype.' + name + ' can only be used on a TransformStreamDefaultController');\n}\n\n// Helper functions for the TransformStream.\n\nfunction streamBrandCheckException(name) {\n return new TypeError('TransformStream.prototype.' + name + ' can only be used on a TransformStream');\n}\n\n/***/ }),\n/* 7 */\n/***/ (function(module, exports, __w_pdfjs_require__) {\n\nmodule.exports = __w_pdfjs_require__(5);\n\n\n/***/ })\n/******/ ])));\n\n\n// WEBPACK FOOTER //\n// external/streams/streams-lib.js","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport {\n FONT_IDENTITY_MATRIX, IDENTITY_MATRIX, ImageKind, info, isArray,\n isLittleEndian, isNum, OPS, shadow, TextRenderingMode, Util, warn\n} from '../shared/util';\nimport { getShadingPatternFromIR, TilingPattern } from './pattern_helper';\nimport { WebGLUtils } from './webgl';\n\n// contexts store most of the state we need natively.\n// However, PDF needs a bit more state, which we store here.\n\n// Minimal font size that would be used during canvas fillText operations.\nvar MIN_FONT_SIZE = 16;\n// Maximum font size that would be used during canvas fillText operations.\nvar MAX_FONT_SIZE = 100;\nvar MAX_GROUP_SIZE = 4096;\n\n// Heuristic value used when enforcing minimum line widths.\nvar MIN_WIDTH_FACTOR = 0.65;\n\nvar COMPILE_TYPE3_GLYPHS = true;\nvar MAX_SIZE_TO_COMPILE = 1000;\n\nvar FULL_CHUNK_HEIGHT = 16;\n\nvar IsLittleEndianCached = {\n get value() {\n return shadow(IsLittleEndianCached, 'value', isLittleEndian());\n },\n};\n\nfunction addContextCurrentTransform(ctx) {\n // If the context doesn't expose a `mozCurrentTransform`, add a JS based one.\n if (!ctx.mozCurrentTransform) {\n ctx._originalSave = ctx.save;\n ctx._originalRestore = ctx.restore;\n ctx._originalRotate = ctx.rotate;\n ctx._originalScale = ctx.scale;\n ctx._originalTranslate = ctx.translate;\n ctx._originalTransform = ctx.transform;\n ctx._originalSetTransform = ctx.setTransform;\n\n ctx._transformMatrix = ctx._transformMatrix || [1, 0, 0, 1, 0, 0];\n ctx._transformStack = [];\n\n Object.defineProperty(ctx, 'mozCurrentTransform', {\n get: function getCurrentTransform() {\n return this._transformMatrix;\n },\n });\n\n Object.defineProperty(ctx, 'mozCurrentTransformInverse', {\n get: function getCurrentTransformInverse() {\n // Calculation done using WolframAlpha:\n // http://www.wolframalpha.com/input/?\n // i=Inverse+{{a%2C+c%2C+e}%2C+{b%2C+d%2C+f}%2C+{0%2C+0%2C+1}}\n\n var m = this._transformMatrix;\n var a = m[0], b = m[1], c = m[2], d = m[3], e = m[4], f = m[5];\n\n var ad_bc = a * d - b * c;\n var bc_ad = b * c - a * d;\n\n return [\n d / ad_bc,\n b / bc_ad,\n c / bc_ad,\n a / ad_bc,\n (d * e - c * f) / bc_ad,\n (b * e - a * f) / ad_bc\n ];\n },\n });\n\n ctx.save = function ctxSave() {\n var old = this._transformMatrix;\n this._transformStack.push(old);\n this._transformMatrix = old.slice(0, 6);\n\n this._originalSave();\n };\n\n ctx.restore = function ctxRestore() {\n var prev = this._transformStack.pop();\n if (prev) {\n this._transformMatrix = prev;\n this._originalRestore();\n }\n };\n\n ctx.translate = function ctxTranslate(x, y) {\n var m = this._transformMatrix;\n m[4] = m[0] * x + m[2] * y + m[4];\n m[5] = m[1] * x + m[3] * y + m[5];\n\n this._originalTranslate(x, y);\n };\n\n ctx.scale = function ctxScale(x, y) {\n var m = this._transformMatrix;\n m[0] = m[0] * x;\n m[1] = m[1] * x;\n m[2] = m[2] * y;\n m[3] = m[3] * y;\n\n this._originalScale(x, y);\n };\n\n ctx.transform = function ctxTransform(a, b, c, d, e, f) {\n var m = this._transformMatrix;\n this._transformMatrix = [\n m[0] * a + m[2] * b,\n m[1] * a + m[3] * b,\n m[0] * c + m[2] * d,\n m[1] * c + m[3] * d,\n m[0] * e + m[2] * f + m[4],\n m[1] * e + m[3] * f + m[5]\n ];\n\n ctx._originalTransform(a, b, c, d, e, f);\n };\n\n ctx.setTransform = function ctxSetTransform(a, b, c, d, e, f) {\n this._transformMatrix = [a, b, c, d, e, f];\n\n ctx._originalSetTransform(a, b, c, d, e, f);\n };\n\n ctx.rotate = function ctxRotate(angle) {\n var cosValue = Math.cos(angle);\n var sinValue = Math.sin(angle);\n\n var m = this._transformMatrix;\n this._transformMatrix = [\n m[0] * cosValue + m[2] * sinValue,\n m[1] * cosValue + m[3] * sinValue,\n m[0] * (-sinValue) + m[2] * cosValue,\n m[1] * (-sinValue) + m[3] * cosValue,\n m[4],\n m[5]\n ];\n\n this._originalRotate(angle);\n };\n }\n}\n\nvar CachedCanvases = (function CachedCanvasesClosure() {\n function CachedCanvases(canvasFactory) {\n this.canvasFactory = canvasFactory;\n this.cache = Object.create(null);\n }\n CachedCanvases.prototype = {\n getCanvas: function CachedCanvases_getCanvas(id, width, height,\n trackTransform) {\n var canvasEntry;\n if (this.cache[id] !== undefined) {\n canvasEntry = this.cache[id];\n this.canvasFactory.reset(canvasEntry, width, height);\n // reset canvas transform for emulated mozCurrentTransform, if needed\n canvasEntry.context.setTransform(1, 0, 0, 1, 0, 0);\n } else {\n canvasEntry = this.canvasFactory.create(width, height);\n this.cache[id] = canvasEntry;\n }\n if (trackTransform) {\n addContextCurrentTransform(canvasEntry.context);\n }\n return canvasEntry;\n },\n clear() {\n for (var id in this.cache) {\n var canvasEntry = this.cache[id];\n this.canvasFactory.destroy(canvasEntry);\n delete this.cache[id];\n }\n },\n };\n return CachedCanvases;\n})();\n\nfunction compileType3Glyph(imgData) {\n var POINT_TO_PROCESS_LIMIT = 1000;\n\n var width = imgData.width, height = imgData.height;\n var i, j, j0, width1 = width + 1;\n var points = new Uint8Array(width1 * (height + 1));\n var POINT_TYPES =\n new Uint8Array([0, 2, 4, 0, 1, 0, 5, 4, 8, 10, 0, 8, 0, 2, 1, 0]);\n\n // decodes bit-packed mask data\n var lineSize = (width + 7) & ~7, data0 = imgData.data;\n var data = new Uint8Array(lineSize * height), pos = 0, ii;\n for (i = 0, ii = data0.length; i < ii; i++) {\n var mask = 128, elem = data0[i];\n while (mask > 0) {\n data[pos++] = (elem & mask) ? 0 : 255;\n mask >>= 1;\n }\n }\n\n // finding iteresting points: every point is located between mask pixels,\n // so there will be points of the (width + 1)x(height + 1) grid. Every point\n // will have flags assigned based on neighboring mask pixels:\n // 4 | 8\n // --P--\n // 2 | 1\n // We are interested only in points with the flags:\n // - outside corners: 1, 2, 4, 8;\n // - inside corners: 7, 11, 13, 14;\n // - and, intersections: 5, 10.\n var count = 0;\n pos = 0;\n if (data[pos] !== 0) {\n points[0] = 1;\n ++count;\n }\n for (j = 1; j < width; j++) {\n if (data[pos] !== data[pos + 1]) {\n points[j] = data[pos] ? 2 : 1;\n ++count;\n }\n pos++;\n }\n if (data[pos] !== 0) {\n points[j] = 2;\n ++count;\n }\n for (i = 1; i < height; i++) {\n pos = i * lineSize;\n j0 = i * width1;\n if (data[pos - lineSize] !== data[pos]) {\n points[j0] = data[pos] ? 1 : 8;\n ++count;\n }\n // 'sum' is the position of the current pixel configuration in the 'TYPES'\n // array (in order 8-1-2-4, so we can use '>>2' to shift the column).\n var sum = (data[pos] ? 4 : 0) + (data[pos - lineSize] ? 8 : 0);\n for (j = 1; j < width; j++) {\n sum = (sum >> 2) + (data[pos + 1] ? 4 : 0) +\n (data[pos - lineSize + 1] ? 8 : 0);\n if (POINT_TYPES[sum]) {\n points[j0 + j] = POINT_TYPES[sum];\n ++count;\n }\n pos++;\n }\n if (data[pos - lineSize] !== data[pos]) {\n points[j0 + j] = data[pos] ? 2 : 4;\n ++count;\n }\n\n if (count > POINT_TO_PROCESS_LIMIT) {\n return null;\n }\n }\n\n pos = lineSize * (height - 1);\n j0 = i * width1;\n if (data[pos] !== 0) {\n points[j0] = 8;\n ++count;\n }\n for (j = 1; j < width; j++) {\n if (data[pos] !== data[pos + 1]) {\n points[j0 + j] = data[pos] ? 4 : 8;\n ++count;\n }\n pos++;\n }\n if (data[pos] !== 0) {\n points[j0 + j] = 4;\n ++count;\n }\n if (count > POINT_TO_PROCESS_LIMIT) {\n return null;\n }\n\n // building outlines\n var steps = new Int32Array([0, width1, -1, 0, -width1, 0, 0, 0, 1]);\n var outlines = [];\n for (i = 0; count && i <= height; i++) {\n var p = i * width1;\n var end = p + width;\n while (p < end && !points[p]) {\n p++;\n }\n if (p === end) {\n continue;\n }\n var coords = [p % width1, i];\n\n var type = points[p], p0 = p, pp;\n do {\n var step = steps[type];\n do {\n p += step;\n } while (!points[p]);\n\n pp = points[p];\n if (pp !== 5 && pp !== 10) {\n // set new direction\n type = pp;\n // delete mark\n points[p] = 0;\n } else { // type is 5 or 10, ie, a crossing\n // set new direction\n type = pp & ((0x33 * type) >> 4);\n // set new type for \"future hit\"\n points[p] &= (type >> 2 | type << 2);\n }\n\n coords.push(p % width1);\n coords.push((p / width1) | 0);\n --count;\n } while (p0 !== p);\n outlines.push(coords);\n --i;\n }\n\n var drawOutline = function(c) {\n c.save();\n // the path shall be painted in [0..1]x[0..1] space\n c.scale(1 / width, -1 / height);\n c.translate(0, -height);\n c.beginPath();\n for (var i = 0, ii = outlines.length; i < ii; i++) {\n var o = outlines[i];\n c.moveTo(o[0], o[1]);\n for (var j = 2, jj = o.length; j < jj; j += 2) {\n c.lineTo(o[j], o[j + 1]);\n }\n }\n c.fill();\n c.beginPath();\n c.restore();\n };\n\n return drawOutline;\n}\n\nvar CanvasExtraState = (function CanvasExtraStateClosure() {\n function CanvasExtraState() {\n // Are soft masks and alpha values shapes or opacities?\n this.alphaIsShape = false;\n this.fontSize = 0;\n this.fontSizeScale = 1;\n this.textMatrix = IDENTITY_MATRIX;\n this.textMatrixScale = 1;\n this.fontMatrix = FONT_IDENTITY_MATRIX;\n this.leading = 0;\n // Current point (in user coordinates)\n this.x = 0;\n this.y = 0;\n // Start of text line (in text coordinates)\n this.lineX = 0;\n this.lineY = 0;\n // Character and word spacing\n this.charSpacing = 0;\n this.wordSpacing = 0;\n this.textHScale = 1;\n this.textRenderingMode = TextRenderingMode.FILL;\n this.textRise = 0;\n // Default fore and background colors\n this.fillColor = '#000000';\n this.strokeColor = '#000000';\n this.patternFill = false;\n // Note: fill alpha applies to all non-stroking operations\n this.fillAlpha = 1;\n this.strokeAlpha = 1;\n this.lineWidth = 1;\n this.activeSMask = null;\n this.resumeSMaskCtx = null; // nonclonable field (see the save method below)\n }\n\n CanvasExtraState.prototype = {\n clone: function CanvasExtraState_clone() {\n return Object.create(this);\n },\n setCurrentPoint: function CanvasExtraState_setCurrentPoint(x, y) {\n this.x = x;\n this.y = y;\n },\n };\n return CanvasExtraState;\n})();\n\nvar CanvasGraphics = (function CanvasGraphicsClosure() {\n // Defines the time the executeOperatorList is going to be executing\n // before it stops and shedules a continue of execution.\n var EXECUTION_TIME = 15;\n // Defines the number of steps before checking the execution time\n var EXECUTION_STEPS = 10;\n\n function CanvasGraphics(canvasCtx, commonObjs, objs, canvasFactory,\n imageLayer) {\n this.ctx = canvasCtx;\n this.current = new CanvasExtraState();\n this.stateStack = [];\n this.pendingClip = null;\n this.pendingEOFill = false;\n this.res = null;\n this.xobjs = null;\n this.commonObjs = commonObjs;\n this.objs = objs;\n this.canvasFactory = canvasFactory;\n this.imageLayer = imageLayer;\n this.groupStack = [];\n this.processingType3 = null;\n // Patterns are painted relative to the initial page/form transform, see pdf\n // spec 8.7.2 NOTE 1.\n this.baseTransform = null;\n this.baseTransformStack = [];\n this.groupLevel = 0;\n this.smaskStack = [];\n this.smaskCounter = 0;\n this.tempSMask = null;\n this.cachedCanvases = new CachedCanvases(this.canvasFactory);\n if (canvasCtx) {\n // NOTE: if mozCurrentTransform is polyfilled, then the current state of\n // the transformation must already be set in canvasCtx._transformMatrix.\n addContextCurrentTransform(canvasCtx);\n }\n this.cachedGetSinglePixelWidth = null;\n }\n\n function putBinaryImageData(ctx, imgData) {\n if (typeof ImageData !== 'undefined' && imgData instanceof ImageData) {\n ctx.putImageData(imgData, 0, 0);\n return;\n }\n\n // Put the image data to the canvas in chunks, rather than putting the\n // whole image at once. This saves JS memory, because the ImageData object\n // is smaller. It also possibly saves C++ memory within the implementation\n // of putImageData(). (E.g. in Firefox we make two short-lived copies of\n // the data passed to putImageData()). |n| shouldn't be too small, however,\n // because too many putImageData() calls will slow things down.\n //\n // Note: as written, if the last chunk is partial, the putImageData() call\n // will (conceptually) put pixels past the bounds of the canvas. But\n // that's ok; any such pixels are ignored.\n\n var height = imgData.height, width = imgData.width;\n var partialChunkHeight = height % FULL_CHUNK_HEIGHT;\n var fullChunks = (height - partialChunkHeight) / FULL_CHUNK_HEIGHT;\n var totalChunks = partialChunkHeight === 0 ? fullChunks : fullChunks + 1;\n\n var chunkImgData = ctx.createImageData(width, FULL_CHUNK_HEIGHT);\n var srcPos = 0, destPos;\n var src = imgData.data;\n var dest = chunkImgData.data;\n var i, j, thisChunkHeight, elemsInThisChunk;\n\n // There are multiple forms in which the pixel data can be passed, and\n // imgData.kind tells us which one this is.\n if (imgData.kind === ImageKind.GRAYSCALE_1BPP) {\n // Grayscale, 1 bit per pixel (i.e. black-and-white).\n var srcLength = src.byteLength;\n var dest32 = new Uint32Array(dest.buffer, 0, dest.byteLength >> 2);\n var dest32DataLength = dest32.length;\n var fullSrcDiff = (width + 7) >> 3;\n var white = 0xFFFFFFFF;\n var black = IsLittleEndianCached.value ? 0xFF000000 : 0x000000FF;\n for (i = 0; i < totalChunks; i++) {\n thisChunkHeight =\n (i < fullChunks) ? FULL_CHUNK_HEIGHT : partialChunkHeight;\n destPos = 0;\n for (j = 0; j < thisChunkHeight; j++) {\n var srcDiff = srcLength - srcPos;\n var k = 0;\n var kEnd = (srcDiff > fullSrcDiff) ? width : srcDiff * 8 - 7;\n var kEndUnrolled = kEnd & ~7;\n var mask = 0;\n var srcByte = 0;\n for (; k < kEndUnrolled; k += 8) {\n srcByte = src[srcPos++];\n dest32[destPos++] = (srcByte & 128) ? white : black;\n dest32[destPos++] = (srcByte & 64) ? white : black;\n dest32[destPos++] = (srcByte & 32) ? white : black;\n dest32[destPos++] = (srcByte & 16) ? white : black;\n dest32[destPos++] = (srcByte & 8) ? white : black;\n dest32[destPos++] = (srcByte & 4) ? white : black;\n dest32[destPos++] = (srcByte & 2) ? white : black;\n dest32[destPos++] = (srcByte & 1) ? white : black;\n }\n for (; k < kEnd; k++) {\n if (mask === 0) {\n srcByte = src[srcPos++];\n mask = 128;\n }\n\n dest32[destPos++] = (srcByte & mask) ? white : black;\n mask >>= 1;\n }\n }\n // We ran out of input. Make all remaining pixels transparent.\n while (destPos < dest32DataLength) {\n dest32[destPos++] = 0;\n }\n\n ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT);\n }\n } else if (imgData.kind === ImageKind.RGBA_32BPP) {\n // RGBA, 32-bits per pixel.\n\n j = 0;\n elemsInThisChunk = width * FULL_CHUNK_HEIGHT * 4;\n for (i = 0; i < fullChunks; i++) {\n dest.set(src.subarray(srcPos, srcPos + elemsInThisChunk));\n srcPos += elemsInThisChunk;\n\n ctx.putImageData(chunkImgData, 0, j);\n j += FULL_CHUNK_HEIGHT;\n }\n if (i < totalChunks) {\n elemsInThisChunk = width * partialChunkHeight * 4;\n dest.set(src.subarray(srcPos, srcPos + elemsInThisChunk));\n ctx.putImageData(chunkImgData, 0, j);\n }\n\n } else if (imgData.kind === ImageKind.RGB_24BPP) {\n // RGB, 24-bits per pixel.\n thisChunkHeight = FULL_CHUNK_HEIGHT;\n elemsInThisChunk = width * thisChunkHeight;\n for (i = 0; i < totalChunks; i++) {\n if (i >= fullChunks) {\n thisChunkHeight = partialChunkHeight;\n elemsInThisChunk = width * thisChunkHeight;\n }\n\n destPos = 0;\n for (j = elemsInThisChunk; j--;) {\n dest[destPos++] = src[srcPos++];\n dest[destPos++] = src[srcPos++];\n dest[destPos++] = src[srcPos++];\n dest[destPos++] = 255;\n }\n ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT);\n }\n } else {\n throw new Error(`bad image kind: ${imgData.kind}`);\n }\n }\n\n function putBinaryImageMask(ctx, imgData) {\n var height = imgData.height, width = imgData.width;\n var partialChunkHeight = height % FULL_CHUNK_HEIGHT;\n var fullChunks = (height - partialChunkHeight) / FULL_CHUNK_HEIGHT;\n var totalChunks = partialChunkHeight === 0 ? fullChunks : fullChunks + 1;\n\n var chunkImgData = ctx.createImageData(width, FULL_CHUNK_HEIGHT);\n var srcPos = 0;\n var src = imgData.data;\n var dest = chunkImgData.data;\n\n for (var i = 0; i < totalChunks; i++) {\n var thisChunkHeight =\n (i < fullChunks) ? FULL_CHUNK_HEIGHT : partialChunkHeight;\n\n // Expand the mask so it can be used by the canvas. Any required\n // inversion has already been handled.\n var destPos = 3; // alpha component offset\n for (var j = 0; j < thisChunkHeight; j++) {\n var mask = 0;\n for (var k = 0; k < width; k++) {\n if (!mask) {\n var elem = src[srcPos++];\n mask = 128;\n }\n dest[destPos] = (elem & mask) ? 0 : 255;\n destPos += 4;\n mask >>= 1;\n }\n }\n ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT);\n }\n }\n\n function copyCtxState(sourceCtx, destCtx) {\n var properties = ['strokeStyle', 'fillStyle', 'fillRule', 'globalAlpha',\n 'lineWidth', 'lineCap', 'lineJoin', 'miterLimit',\n 'globalCompositeOperation', 'font'];\n for (var i = 0, ii = properties.length; i < ii; i++) {\n var property = properties[i];\n if (sourceCtx[property] !== undefined) {\n destCtx[property] = sourceCtx[property];\n }\n }\n if (sourceCtx.setLineDash !== undefined) {\n destCtx.setLineDash(sourceCtx.getLineDash());\n destCtx.lineDashOffset = sourceCtx.lineDashOffset;\n }\n }\n\n function resetCtxToDefault(ctx) {\n ctx.strokeStyle = '#000000';\n ctx.fillStyle = '#000000';\n ctx.fillRule = 'nonzero';\n ctx.globalAlpha = 1;\n ctx.lineWidth = 1;\n ctx.lineCap = 'butt';\n ctx.lineJoin = 'miter';\n ctx.miterLimit = 10;\n ctx.globalCompositeOperation = 'source-over';\n ctx.font = '10px sans-serif';\n if (ctx.setLineDash !== undefined) {\n ctx.setLineDash([]);\n ctx.lineDashOffset = 0;\n }\n }\n\n function composeSMaskBackdrop(bytes, r0, g0, b0) {\n var length = bytes.length;\n for (var i = 3; i < length; i += 4) {\n var alpha = bytes[i];\n if (alpha === 0) {\n bytes[i - 3] = r0;\n bytes[i - 2] = g0;\n bytes[i - 1] = b0;\n } else if (alpha < 255) {\n var alpha_ = 255 - alpha;\n bytes[i - 3] = (bytes[i - 3] * alpha + r0 * alpha_) >> 8;\n bytes[i - 2] = (bytes[i - 2] * alpha + g0 * alpha_) >> 8;\n bytes[i - 1] = (bytes[i - 1] * alpha + b0 * alpha_) >> 8;\n }\n }\n }\n\n function composeSMaskAlpha(maskData, layerData, transferMap) {\n var length = maskData.length;\n var scale = 1 / 255;\n for (var i = 3; i < length; i += 4) {\n var alpha = transferMap ? transferMap[maskData[i]] : maskData[i];\n layerData[i] = (layerData[i] * alpha * scale) | 0;\n }\n }\n\n function composeSMaskLuminosity(maskData, layerData, transferMap) {\n var length = maskData.length;\n for (var i = 3; i < length; i += 4) {\n var y = (maskData[i - 3] * 77) + // * 0.3 / 255 * 0x10000\n (maskData[i - 2] * 152) + // * 0.59 ....\n (maskData[i - 1] * 28); // * 0.11 ....\n layerData[i] = transferMap ?\n (layerData[i] * transferMap[y >> 8]) >> 8 :\n (layerData[i] * y) >> 16;\n }\n }\n\n function genericComposeSMask(maskCtx, layerCtx, width, height,\n subtype, backdrop, transferMap) {\n var hasBackdrop = !!backdrop;\n var r0 = hasBackdrop ? backdrop[0] : 0;\n var g0 = hasBackdrop ? backdrop[1] : 0;\n var b0 = hasBackdrop ? backdrop[2] : 0;\n\n var composeFn;\n if (subtype === 'Luminosity') {\n composeFn = composeSMaskLuminosity;\n } else {\n composeFn = composeSMaskAlpha;\n }\n\n // processing image in chunks to save memory\n var PIXELS_TO_PROCESS = 1048576;\n var chunkSize = Math.min(height, Math.ceil(PIXELS_TO_PROCESS / width));\n for (var row = 0; row < height; row += chunkSize) {\n var chunkHeight = Math.min(chunkSize, height - row);\n var maskData = maskCtx.getImageData(0, row, width, chunkHeight);\n var layerData = layerCtx.getImageData(0, row, width, chunkHeight);\n\n if (hasBackdrop) {\n composeSMaskBackdrop(maskData.data, r0, g0, b0);\n }\n composeFn(maskData.data, layerData.data, transferMap);\n\n maskCtx.putImageData(layerData, 0, row);\n }\n }\n\n function composeSMask(ctx, smask, layerCtx) {\n var mask = smask.canvas;\n var maskCtx = smask.context;\n\n ctx.setTransform(smask.scaleX, 0, 0, smask.scaleY,\n smask.offsetX, smask.offsetY);\n\n var backdrop = smask.backdrop || null;\n if (!smask.transferMap && WebGLUtils.isEnabled) {\n var composed = WebGLUtils.composeSMask(layerCtx.canvas, mask,\n { subtype: smask.subtype, backdrop, });\n ctx.setTransform(1, 0, 0, 1, 0, 0);\n ctx.drawImage(composed, smask.offsetX, smask.offsetY);\n return;\n }\n genericComposeSMask(maskCtx, layerCtx, mask.width, mask.height,\n smask.subtype, backdrop, smask.transferMap);\n ctx.drawImage(mask, 0, 0);\n }\n\n var LINE_CAP_STYLES = ['butt', 'round', 'square'];\n var LINE_JOIN_STYLES = ['miter', 'round', 'bevel'];\n var NORMAL_CLIP = {};\n var EO_CLIP = {};\n\n CanvasGraphics.prototype = {\n\n beginDrawing({ transform, viewport, transparency,\n background = null, }) {\n // For pdfs that use blend modes we have to clear the canvas else certain\n // blend modes can look wrong since we'd be blending with a white\n // backdrop. The problem with a transparent backdrop though is we then\n // don't get sub pixel anti aliasing on text, creating temporary\n // transparent canvas when we have blend modes.\n var width = this.ctx.canvas.width;\n var height = this.ctx.canvas.height;\n\n this.ctx.save();\n this.ctx.fillStyle = background || 'rgb(255, 255, 255)';\n this.ctx.fillRect(0, 0, width, height);\n this.ctx.restore();\n\n if (transparency) {\n var transparentCanvas = this.cachedCanvases.getCanvas(\n 'transparent', width, height, true);\n this.compositeCtx = this.ctx;\n this.transparentCanvas = transparentCanvas.canvas;\n this.ctx = transparentCanvas.context;\n this.ctx.save();\n // The transform can be applied before rendering, transferring it to\n // the new canvas.\n this.ctx.transform.apply(this.ctx,\n this.compositeCtx.mozCurrentTransform);\n }\n\n this.ctx.save();\n resetCtxToDefault(this.ctx);\n if (transform) {\n this.ctx.transform.apply(this.ctx, transform);\n }\n this.ctx.transform.apply(this.ctx, viewport.transform);\n\n this.baseTransform = this.ctx.mozCurrentTransform.slice();\n\n if (this.imageLayer) {\n this.imageLayer.beginLayout();\n }\n },\n\n executeOperatorList: function CanvasGraphics_executeOperatorList(\n operatorList,\n executionStartIdx, continueCallback,\n stepper) {\n var argsArray = operatorList.argsArray;\n var fnArray = operatorList.fnArray;\n var i = executionStartIdx || 0;\n var argsArrayLen = argsArray.length;\n\n // Sometimes the OperatorList to execute is empty.\n if (argsArrayLen === i) {\n return i;\n }\n\n var chunkOperations = (argsArrayLen - i > EXECUTION_STEPS &&\n typeof continueCallback === 'function');\n var endTime = chunkOperations ? Date.now() + EXECUTION_TIME : 0;\n var steps = 0;\n\n var commonObjs = this.commonObjs;\n var objs = this.objs;\n var fnId;\n\n while (true) {\n if (stepper !== undefined && i === stepper.nextBreakPoint) {\n stepper.breakIt(i, continueCallback);\n return i;\n }\n\n fnId = fnArray[i];\n\n if (fnId !== OPS.dependency) {\n this[fnId].apply(this, argsArray[i]);\n } else {\n var deps = argsArray[i];\n for (var n = 0, nn = deps.length; n < nn; n++) {\n var depObjId = deps[n];\n var common = depObjId[0] === 'g' && depObjId[1] === '_';\n var objsPool = common ? commonObjs : objs;\n\n // If the promise isn't resolved yet, add the continueCallback\n // to the promise and bail out.\n if (!objsPool.isResolved(depObjId)) {\n objsPool.get(depObjId, continueCallback);\n return i;\n }\n }\n }\n\n i++;\n\n // If the entire operatorList was executed, stop as were done.\n if (i === argsArrayLen) {\n return i;\n }\n\n // If the execution took longer then a certain amount of time and\n // `continueCallback` is specified, interrupt the execution.\n if (chunkOperations && ++steps > EXECUTION_STEPS) {\n if (Date.now() > endTime) {\n continueCallback();\n return i;\n }\n steps = 0;\n }\n\n // If the operatorList isn't executed completely yet OR the execution\n // time was short enough, do another execution round.\n }\n },\n\n endDrawing: function CanvasGraphics_endDrawing() {\n // Finishing all opened operations such as SMask group painting.\n if (this.current.activeSMask !== null) {\n this.endSMaskGroup();\n }\n\n this.ctx.restore();\n\n if (this.transparentCanvas) {\n this.ctx = this.compositeCtx;\n this.ctx.save();\n this.ctx.setTransform(1, 0, 0, 1, 0, 0); // Avoid apply transform twice\n this.ctx.drawImage(this.transparentCanvas, 0, 0);\n this.ctx.restore();\n this.transparentCanvas = null;\n }\n\n this.cachedCanvases.clear();\n WebGLUtils.clear();\n\n if (this.imageLayer) {\n this.imageLayer.endLayout();\n }\n },\n\n // Graphics state\n setLineWidth: function CanvasGraphics_setLineWidth(width) {\n this.current.lineWidth = width;\n this.ctx.lineWidth = width;\n },\n setLineCap: function CanvasGraphics_setLineCap(style) {\n this.ctx.lineCap = LINE_CAP_STYLES[style];\n },\n setLineJoin: function CanvasGraphics_setLineJoin(style) {\n this.ctx.lineJoin = LINE_JOIN_STYLES[style];\n },\n setMiterLimit: function CanvasGraphics_setMiterLimit(limit) {\n this.ctx.miterLimit = limit;\n },\n setDash: function CanvasGraphics_setDash(dashArray, dashPhase) {\n var ctx = this.ctx;\n if (ctx.setLineDash !== undefined) {\n ctx.setLineDash(dashArray);\n ctx.lineDashOffset = dashPhase;\n }\n },\n setRenderingIntent: function CanvasGraphics_setRenderingIntent(intent) {\n // Maybe if we one day fully support color spaces this will be important\n // for now we can ignore.\n // TODO set rendering intent?\n },\n setFlatness: function CanvasGraphics_setFlatness(flatness) {\n // There's no way to control this with canvas, but we can safely ignore.\n // TODO set flatness?\n },\n setGState: function CanvasGraphics_setGState(states) {\n for (var i = 0, ii = states.length; i < ii; i++) {\n var state = states[i];\n var key = state[0];\n var value = state[1];\n\n switch (key) {\n case 'LW':\n this.setLineWidth(value);\n break;\n case 'LC':\n this.setLineCap(value);\n break;\n case 'LJ':\n this.setLineJoin(value);\n break;\n case 'ML':\n this.setMiterLimit(value);\n break;\n case 'D':\n this.setDash(value[0], value[1]);\n break;\n case 'RI':\n this.setRenderingIntent(value);\n break;\n case 'FL':\n this.setFlatness(value);\n break;\n case 'Font':\n this.setFont(value[0], value[1]);\n break;\n case 'CA':\n this.current.strokeAlpha = state[1];\n break;\n case 'ca':\n this.current.fillAlpha = state[1];\n this.ctx.globalAlpha = state[1];\n break;\n case 'BM':\n this.ctx.globalCompositeOperation = value;\n break;\n case 'SMask':\n if (this.current.activeSMask) {\n // If SMask is currrenly used, it needs to be suspended or\n // finished. Suspend only makes sense when at least one save()\n // was performed and state needs to be reverted on restore().\n if (this.stateStack.length > 0 &&\n (this.stateStack[this.stateStack.length - 1].activeSMask ===\n this.current.activeSMask)) {\n this.suspendSMaskGroup();\n } else {\n this.endSMaskGroup();\n }\n }\n this.current.activeSMask = value ? this.tempSMask : null;\n if (this.current.activeSMask) {\n this.beginSMaskGroup();\n }\n this.tempSMask = null;\n break;\n }\n }\n },\n beginSMaskGroup: function CanvasGraphics_beginSMaskGroup() {\n\n var activeSMask = this.current.activeSMask;\n var drawnWidth = activeSMask.canvas.width;\n var drawnHeight = activeSMask.canvas.height;\n var cacheId = 'smaskGroupAt' + this.groupLevel;\n var scratchCanvas = this.cachedCanvases.getCanvas(\n cacheId, drawnWidth, drawnHeight, true);\n\n var currentCtx = this.ctx;\n var currentTransform = currentCtx.mozCurrentTransform;\n this.ctx.save();\n\n var groupCtx = scratchCanvas.context;\n groupCtx.scale(1 / activeSMask.scaleX, 1 / activeSMask.scaleY);\n groupCtx.translate(-activeSMask.offsetX, -activeSMask.offsetY);\n groupCtx.transform.apply(groupCtx, currentTransform);\n\n activeSMask.startTransformInverse = groupCtx.mozCurrentTransformInverse;\n\n copyCtxState(currentCtx, groupCtx);\n this.ctx = groupCtx;\n this.setGState([\n ['BM', 'source-over'],\n ['ca', 1],\n ['CA', 1]\n ]);\n this.groupStack.push(currentCtx);\n this.groupLevel++;\n },\n suspendSMaskGroup: function CanvasGraphics_endSMaskGroup() {\n // Similar to endSMaskGroup, the intermediate canvas has to be composed\n // and future ctx state restored.\n var groupCtx = this.ctx;\n this.groupLevel--;\n this.ctx = this.groupStack.pop();\n\n composeSMask(this.ctx, this.current.activeSMask, groupCtx);\n this.ctx.restore();\n this.ctx.save(); // save is needed since SMask will be resumed.\n copyCtxState(groupCtx, this.ctx);\n\n // Saving state for resuming.\n this.current.resumeSMaskCtx = groupCtx;\n // Transform was changed in the SMask canvas, reflecting this change on\n // this.ctx.\n var deltaTransform = Util.transform(\n this.current.activeSMask.startTransformInverse,\n groupCtx.mozCurrentTransform);\n this.ctx.transform.apply(this.ctx, deltaTransform);\n\n // SMask was composed, the results at the groupCtx can be cleared.\n groupCtx.save();\n groupCtx.setTransform(1, 0, 0, 1, 0, 0);\n groupCtx.clearRect(0, 0, groupCtx.canvas.width, groupCtx.canvas.height);\n groupCtx.restore();\n },\n resumeSMaskGroup: function CanvasGraphics_endSMaskGroup() {\n // Resuming state saved by suspendSMaskGroup. We don't need to restore\n // any groupCtx state since restore() command (the only caller) will do\n // that for us. See also beginSMaskGroup.\n var groupCtx = this.current.resumeSMaskCtx;\n var currentCtx = this.ctx;\n this.ctx = groupCtx;\n this.groupStack.push(currentCtx);\n this.groupLevel++;\n },\n endSMaskGroup: function CanvasGraphics_endSMaskGroup() {\n var groupCtx = this.ctx;\n this.groupLevel--;\n this.ctx = this.groupStack.pop();\n\n composeSMask(this.ctx, this.current.activeSMask, groupCtx);\n this.ctx.restore();\n copyCtxState(groupCtx, this.ctx);\n // Transform was changed in the SMask canvas, reflecting this change on\n // this.ctx.\n var deltaTransform = Util.transform(\n this.current.activeSMask.startTransformInverse,\n groupCtx.mozCurrentTransform);\n this.ctx.transform.apply(this.ctx, deltaTransform);\n },\n save: function CanvasGraphics_save() {\n this.ctx.save();\n var old = this.current;\n this.stateStack.push(old);\n this.current = old.clone();\n this.current.resumeSMaskCtx = null;\n },\n restore: function CanvasGraphics_restore() {\n // SMask was suspended, we just need to resume it.\n if (this.current.resumeSMaskCtx) {\n this.resumeSMaskGroup();\n }\n // SMask has to be finished once there is no states that are using the\n // same SMask.\n if (this.current.activeSMask !== null && (this.stateStack.length === 0 ||\n this.stateStack[this.stateStack.length - 1].activeSMask !==\n this.current.activeSMask)) {\n this.endSMaskGroup();\n }\n\n if (this.stateStack.length !== 0) {\n this.current = this.stateStack.pop();\n this.ctx.restore();\n\n // Ensure that the clipping path is reset (fixes issue6413.pdf).\n this.pendingClip = null;\n\n this.cachedGetSinglePixelWidth = null;\n }\n },\n transform: function CanvasGraphics_transform(a, b, c, d, e, f) {\n this.ctx.transform(a, b, c, d, e, f);\n\n this.cachedGetSinglePixelWidth = null;\n },\n\n // Path\n constructPath: function CanvasGraphics_constructPath(ops, args) {\n var ctx = this.ctx;\n var current = this.current;\n var x = current.x, y = current.y;\n for (var i = 0, j = 0, ii = ops.length; i < ii; i++) {\n switch (ops[i] | 0) {\n case OPS.rectangle:\n x = args[j++];\n y = args[j++];\n var width = args[j++];\n var height = args[j++];\n if (width === 0) {\n width = this.getSinglePixelWidth();\n }\n if (height === 0) {\n height = this.getSinglePixelWidth();\n }\n var xw = x + width;\n var yh = y + height;\n this.ctx.moveTo(x, y);\n this.ctx.lineTo(xw, y);\n this.ctx.lineTo(xw, yh);\n this.ctx.lineTo(x, yh);\n this.ctx.lineTo(x, y);\n this.ctx.closePath();\n break;\n case OPS.moveTo:\n x = args[j++];\n y = args[j++];\n ctx.moveTo(x, y);\n break;\n case OPS.lineTo:\n x = args[j++];\n y = args[j++];\n ctx.lineTo(x, y);\n break;\n case OPS.curveTo:\n x = args[j + 4];\n y = args[j + 5];\n ctx.bezierCurveTo(args[j], args[j + 1], args[j + 2], args[j + 3],\n x, y);\n j += 6;\n break;\n case OPS.curveTo2:\n ctx.bezierCurveTo(x, y, args[j], args[j + 1],\n args[j + 2], args[j + 3]);\n x = args[j + 2];\n y = args[j + 3];\n j += 4;\n break;\n case OPS.curveTo3:\n x = args[j + 2];\n y = args[j + 3];\n ctx.bezierCurveTo(args[j], args[j + 1], x, y, x, y);\n j += 4;\n break;\n case OPS.closePath:\n ctx.closePath();\n break;\n }\n }\n current.setCurrentPoint(x, y);\n },\n closePath: function CanvasGraphics_closePath() {\n this.ctx.closePath();\n },\n stroke: function CanvasGraphics_stroke(consumePath) {\n consumePath = typeof consumePath !== 'undefined' ? consumePath : true;\n var ctx = this.ctx;\n var strokeColor = this.current.strokeColor;\n // Prevent drawing too thin lines by enforcing a minimum line width.\n ctx.lineWidth = Math.max(this.getSinglePixelWidth() * MIN_WIDTH_FACTOR,\n this.current.lineWidth);\n // For stroke we want to temporarily change the global alpha to the\n // stroking alpha.\n ctx.globalAlpha = this.current.strokeAlpha;\n if (strokeColor && strokeColor.hasOwnProperty('type') &&\n strokeColor.type === 'Pattern') {\n // for patterns, we transform to pattern space, calculate\n // the pattern, call stroke, and restore to user space\n ctx.save();\n ctx.strokeStyle = strokeColor.getPattern(ctx, this);\n ctx.stroke();\n ctx.restore();\n } else {\n ctx.stroke();\n }\n if (consumePath) {\n this.consumePath();\n }\n // Restore the global alpha to the fill alpha\n ctx.globalAlpha = this.current.fillAlpha;\n },\n closeStroke: function CanvasGraphics_closeStroke() {\n this.closePath();\n this.stroke();\n },\n fill: function CanvasGraphics_fill(consumePath) {\n consumePath = typeof consumePath !== 'undefined' ? consumePath : true;\n var ctx = this.ctx;\n var fillColor = this.current.fillColor;\n var isPatternFill = this.current.patternFill;\n var needRestore = false;\n\n if (isPatternFill) {\n ctx.save();\n if (this.baseTransform) {\n ctx.setTransform.apply(ctx, this.baseTransform);\n }\n ctx.fillStyle = fillColor.getPattern(ctx, this);\n needRestore = true;\n }\n\n if (this.pendingEOFill) {\n ctx.fill('evenodd');\n this.pendingEOFill = false;\n } else {\n ctx.fill();\n }\n\n if (needRestore) {\n ctx.restore();\n }\n if (consumePath) {\n this.consumePath();\n }\n },\n eoFill: function CanvasGraphics_eoFill() {\n this.pendingEOFill = true;\n this.fill();\n },\n fillStroke: function CanvasGraphics_fillStroke() {\n this.fill(false);\n this.stroke(false);\n\n this.consumePath();\n },\n eoFillStroke: function CanvasGraphics_eoFillStroke() {\n this.pendingEOFill = true;\n this.fillStroke();\n },\n closeFillStroke: function CanvasGraphics_closeFillStroke() {\n this.closePath();\n this.fillStroke();\n },\n closeEOFillStroke: function CanvasGraphics_closeEOFillStroke() {\n this.pendingEOFill = true;\n this.closePath();\n this.fillStroke();\n },\n endPath: function CanvasGraphics_endPath() {\n this.consumePath();\n },\n\n // Clipping\n clip: function CanvasGraphics_clip() {\n this.pendingClip = NORMAL_CLIP;\n },\n eoClip: function CanvasGraphics_eoClip() {\n this.pendingClip = EO_CLIP;\n },\n\n // Text\n beginText: function CanvasGraphics_beginText() {\n this.current.textMatrix = IDENTITY_MATRIX;\n this.current.textMatrixScale = 1;\n this.current.x = this.current.lineX = 0;\n this.current.y = this.current.lineY = 0;\n },\n endText: function CanvasGraphics_endText() {\n var paths = this.pendingTextPaths;\n var ctx = this.ctx;\n if (paths === undefined) {\n ctx.beginPath();\n return;\n }\n\n ctx.save();\n ctx.beginPath();\n for (var i = 0; i < paths.length; i++) {\n var path = paths[i];\n ctx.setTransform.apply(ctx, path.transform);\n ctx.translate(path.x, path.y);\n path.addToPath(ctx, path.fontSize);\n }\n ctx.restore();\n ctx.clip();\n ctx.beginPath();\n delete this.pendingTextPaths;\n },\n setCharSpacing: function CanvasGraphics_setCharSpacing(spacing) {\n this.current.charSpacing = spacing;\n },\n setWordSpacing: function CanvasGraphics_setWordSpacing(spacing) {\n this.current.wordSpacing = spacing;\n },\n setHScale: function CanvasGraphics_setHScale(scale) {\n this.current.textHScale = scale / 100;\n },\n setLeading: function CanvasGraphics_setLeading(leading) {\n this.current.leading = -leading;\n },\n setFont: function CanvasGraphics_setFont(fontRefName, size) {\n var fontObj = this.commonObjs.get(fontRefName);\n var current = this.current;\n\n if (!fontObj) {\n throw new Error(`Can't find font for ${fontRefName}`);\n }\n\n current.fontMatrix = (fontObj.fontMatrix ?\n fontObj.fontMatrix : FONT_IDENTITY_MATRIX);\n\n // A valid matrix needs all main diagonal elements to be non-zero\n // This also ensures we bypass FF bugzilla bug #719844.\n if (current.fontMatrix[0] === 0 ||\n current.fontMatrix[3] === 0) {\n warn('Invalid font matrix for font ' + fontRefName);\n }\n\n // The spec for Tf (setFont) says that 'size' specifies the font 'scale',\n // and in some docs this can be negative (inverted x-y axes).\n if (size < 0) {\n size = -size;\n current.fontDirection = -1;\n } else {\n current.fontDirection = 1;\n }\n\n this.current.font = fontObj;\n this.current.fontSize = size;\n\n if (fontObj.isType3Font) {\n return; // we don't need ctx.font for Type3 fonts\n }\n\n var name = fontObj.loadedName || 'sans-serif';\n var bold = fontObj.black ? '900' : (fontObj.bold ? 'bold' : 'normal');\n var italic = fontObj.italic ? 'italic' : 'normal';\n var typeface = '\"' + name + '\", ' + fontObj.fallbackName;\n\n // Some font backends cannot handle fonts below certain size.\n // Keeping the font at minimal size and using the fontSizeScale to change\n // the current transformation matrix before the fillText/strokeText.\n // See https://bugzilla.mozilla.org/show_bug.cgi?id=726227\n var browserFontSize = size < MIN_FONT_SIZE ? MIN_FONT_SIZE :\n size > MAX_FONT_SIZE ? MAX_FONT_SIZE : size;\n this.current.fontSizeScale = size / browserFontSize;\n\n var rule = italic + ' ' + bold + ' ' + browserFontSize + 'px ' + typeface;\n this.ctx.font = rule;\n },\n setTextRenderingMode: function CanvasGraphics_setTextRenderingMode(mode) {\n this.current.textRenderingMode = mode;\n },\n setTextRise: function CanvasGraphics_setTextRise(rise) {\n this.current.textRise = rise;\n },\n moveText: function CanvasGraphics_moveText(x, y) {\n this.current.x = this.current.lineX += x;\n this.current.y = this.current.lineY += y;\n },\n setLeadingMoveText: function CanvasGraphics_setLeadingMoveText(x, y) {\n this.setLeading(-y);\n this.moveText(x, y);\n },\n setTextMatrix: function CanvasGraphics_setTextMatrix(a, b, c, d, e, f) {\n this.current.textMatrix = [a, b, c, d, e, f];\n this.current.textMatrixScale = Math.sqrt(a * a + b * b);\n\n this.current.x = this.current.lineX = 0;\n this.current.y = this.current.lineY = 0;\n },\n nextLine: function CanvasGraphics_nextLine() {\n this.moveText(0, this.current.leading);\n },\n\n paintChar: function CanvasGraphics_paintChar(character, x, y) {\n var ctx = this.ctx;\n var current = this.current;\n var font = current.font;\n var textRenderingMode = current.textRenderingMode;\n var fontSize = current.fontSize / current.fontSizeScale;\n var fillStrokeMode = textRenderingMode &\n TextRenderingMode.FILL_STROKE_MASK;\n var isAddToPathSet = !!(textRenderingMode &\n TextRenderingMode.ADD_TO_PATH_FLAG);\n\n var addToPath;\n if (font.disableFontFace || isAddToPathSet) {\n addToPath = font.getPathGenerator(this.commonObjs, character);\n }\n\n if (font.disableFontFace) {\n ctx.save();\n ctx.translate(x, y);\n ctx.beginPath();\n addToPath(ctx, fontSize);\n if (fillStrokeMode === TextRenderingMode.FILL ||\n fillStrokeMode === TextRenderingMode.FILL_STROKE) {\n ctx.fill();\n }\n if (fillStrokeMode === TextRenderingMode.STROKE ||\n fillStrokeMode === TextRenderingMode.FILL_STROKE) {\n ctx.stroke();\n }\n ctx.restore();\n } else {\n if (fillStrokeMode === TextRenderingMode.FILL ||\n fillStrokeMode === TextRenderingMode.FILL_STROKE) {\n ctx.fillText(character, x, y);\n }\n if (fillStrokeMode === TextRenderingMode.STROKE ||\n fillStrokeMode === TextRenderingMode.FILL_STROKE) {\n ctx.strokeText(character, x, y);\n }\n }\n\n if (isAddToPathSet) {\n var paths = this.pendingTextPaths || (this.pendingTextPaths = []);\n paths.push({\n transform: ctx.mozCurrentTransform,\n x,\n y,\n fontSize,\n addToPath,\n });\n }\n },\n\n get isFontSubpixelAAEnabled() {\n // Checks if anti-aliasing is enabled when scaled text is painted.\n // On Windows GDI scaled fonts looks bad.\n var ctx = this.canvasFactory.create(10, 10).context;\n ctx.scale(1.5, 1);\n ctx.fillText('I', 0, 10);\n var data = ctx.getImageData(0, 0, 10, 10).data;\n var enabled = false;\n for (var i = 3; i < data.length; i += 4) {\n if (data[i] > 0 && data[i] < 255) {\n enabled = true;\n break;\n }\n }\n return shadow(this, 'isFontSubpixelAAEnabled', enabled);\n },\n\n showText: function CanvasGraphics_showText(glyphs) {\n var current = this.current;\n var font = current.font;\n if (font.isType3Font) {\n return this.showType3Text(glyphs);\n }\n\n var fontSize = current.fontSize;\n if (fontSize === 0) {\n return;\n }\n\n var ctx = this.ctx;\n var fontSizeScale = current.fontSizeScale;\n var charSpacing = current.charSpacing;\n var wordSpacing = current.wordSpacing;\n var fontDirection = current.fontDirection;\n var textHScale = current.textHScale * fontDirection;\n var glyphsLength = glyphs.length;\n var vertical = font.vertical;\n var spacingDir = vertical ? 1 : -1;\n var defaultVMetrics = font.defaultVMetrics;\n var widthAdvanceScale = fontSize * current.fontMatrix[0];\n\n var simpleFillText =\n current.textRenderingMode === TextRenderingMode.FILL &&\n !font.disableFontFace;\n\n ctx.save();\n ctx.transform.apply(ctx, current.textMatrix);\n ctx.translate(current.x, current.y + current.textRise);\n\n if (current.patternFill) {\n // TODO: Some shading patterns are not applied correctly to text,\n // e.g. issues 3988 and 5432, and ShowText-ShadingPattern.pdf.\n ctx.fillStyle = current.fillColor.getPattern(ctx, this);\n }\n\n if (fontDirection > 0) {\n ctx.scale(textHScale, -1);\n } else {\n ctx.scale(textHScale, 1);\n }\n\n var lineWidth = current.lineWidth;\n var scale = current.textMatrixScale;\n if (scale === 0 || lineWidth === 0) {\n var fillStrokeMode = current.textRenderingMode &\n TextRenderingMode.FILL_STROKE_MASK;\n if (fillStrokeMode === TextRenderingMode.STROKE ||\n fillStrokeMode === TextRenderingMode.FILL_STROKE) {\n this.cachedGetSinglePixelWidth = null;\n lineWidth = this.getSinglePixelWidth() * MIN_WIDTH_FACTOR;\n }\n } else {\n lineWidth /= scale;\n }\n\n if (fontSizeScale !== 1.0) {\n ctx.scale(fontSizeScale, fontSizeScale);\n lineWidth /= fontSizeScale;\n }\n\n ctx.lineWidth = lineWidth;\n\n var x = 0, i;\n for (i = 0; i < glyphsLength; ++i) {\n var glyph = glyphs[i];\n if (isNum(glyph)) {\n x += spacingDir * glyph * fontSize / 1000;\n continue;\n }\n\n var restoreNeeded = false;\n var spacing = (glyph.isSpace ? wordSpacing : 0) + charSpacing;\n var character = glyph.fontChar;\n var accent = glyph.accent;\n var scaledX, scaledY, scaledAccentX, scaledAccentY;\n var width = glyph.width;\n if (vertical) {\n var vmetric, vx, vy;\n vmetric = glyph.vmetric || defaultVMetrics;\n vx = glyph.vmetric ? vmetric[1] : width * 0.5;\n vx = -vx * widthAdvanceScale;\n vy = vmetric[2] * widthAdvanceScale;\n\n width = vmetric ? -vmetric[0] : width;\n scaledX = vx / fontSizeScale;\n scaledY = (x + vy) / fontSizeScale;\n } else {\n scaledX = x / fontSizeScale;\n scaledY = 0;\n }\n\n if (font.remeasure && width > 0) {\n // Some standard fonts may not have the exact width: rescale per\n // character if measured width is greater than expected glyph width\n // and subpixel-aa is enabled, otherwise just center the glyph.\n var measuredWidth = ctx.measureText(character).width * 1000 /\n fontSize * fontSizeScale;\n if (width < measuredWidth && this.isFontSubpixelAAEnabled) {\n var characterScaleX = width / measuredWidth;\n restoreNeeded = true;\n ctx.save();\n ctx.scale(characterScaleX, 1);\n scaledX /= characterScaleX;\n } else if (width !== measuredWidth) {\n scaledX += (width - measuredWidth) / 2000 *\n fontSize / fontSizeScale;\n }\n }\n\n // Only attempt to draw the glyph if it is actually in the embedded font\n // file or if there isn't a font file so the fallback font is shown.\n if (glyph.isInFont || font.missingFile) {\n if (simpleFillText && !accent) {\n // common case\n ctx.fillText(character, scaledX, scaledY);\n } else {\n this.paintChar(character, scaledX, scaledY);\n if (accent) {\n scaledAccentX = scaledX + accent.offset.x / fontSizeScale;\n scaledAccentY = scaledY - accent.offset.y / fontSizeScale;\n this.paintChar(accent.fontChar, scaledAccentX, scaledAccentY);\n }\n }\n }\n\n var charWidth = width * widthAdvanceScale + spacing * fontDirection;\n x += charWidth;\n\n if (restoreNeeded) {\n ctx.restore();\n }\n }\n if (vertical) {\n current.y -= x * textHScale;\n } else {\n current.x += x * textHScale;\n }\n ctx.restore();\n },\n\n showType3Text: function CanvasGraphics_showType3Text(glyphs) {\n // Type3 fonts - each glyph is a \"mini-PDF\"\n var ctx = this.ctx;\n var current = this.current;\n var font = current.font;\n var fontSize = current.fontSize;\n var fontDirection = current.fontDirection;\n var spacingDir = font.vertical ? 1 : -1;\n var charSpacing = current.charSpacing;\n var wordSpacing = current.wordSpacing;\n var textHScale = current.textHScale * fontDirection;\n var fontMatrix = current.fontMatrix || FONT_IDENTITY_MATRIX;\n var glyphsLength = glyphs.length;\n var isTextInvisible =\n current.textRenderingMode === TextRenderingMode.INVISIBLE;\n var i, glyph, width, spacingLength;\n\n if (isTextInvisible || fontSize === 0) {\n return;\n }\n this.cachedGetSinglePixelWidth = null;\n\n ctx.save();\n ctx.transform.apply(ctx, current.textMatrix);\n ctx.translate(current.x, current.y);\n\n ctx.scale(textHScale, fontDirection);\n\n for (i = 0; i < glyphsLength; ++i) {\n glyph = glyphs[i];\n if (isNum(glyph)) {\n spacingLength = spacingDir * glyph * fontSize / 1000;\n this.ctx.translate(spacingLength, 0);\n current.x += spacingLength * textHScale;\n continue;\n }\n\n var spacing = (glyph.isSpace ? wordSpacing : 0) + charSpacing;\n var operatorList = font.charProcOperatorList[glyph.operatorListId];\n if (!operatorList) {\n warn(`Type3 character \"${glyph.operatorListId}\" is not available.`);\n continue;\n }\n this.processingType3 = glyph;\n this.save();\n ctx.scale(fontSize, fontSize);\n ctx.transform.apply(ctx, fontMatrix);\n this.executeOperatorList(operatorList);\n this.restore();\n\n var transformed = Util.applyTransform([glyph.width, 0], fontMatrix);\n width = transformed[0] * fontSize + spacing;\n\n ctx.translate(width, 0);\n current.x += width * textHScale;\n }\n ctx.restore();\n this.processingType3 = null;\n },\n\n // Type3 fonts\n setCharWidth: function CanvasGraphics_setCharWidth(xWidth, yWidth) {\n // We can safely ignore this since the width should be the same\n // as the width in the Widths array.\n },\n setCharWidthAndBounds: function CanvasGraphics_setCharWidthAndBounds(xWidth,\n yWidth,\n llx,\n lly,\n urx,\n ury) {\n // TODO According to the spec we're also suppose to ignore any operators\n // that set color or include images while processing this type3 font.\n this.ctx.rect(llx, lly, urx - llx, ury - lly);\n this.clip();\n this.endPath();\n },\n\n // Color\n getColorN_Pattern: function CanvasGraphics_getColorN_Pattern(IR) {\n var pattern;\n if (IR[0] === 'TilingPattern') {\n var color = IR[1];\n var baseTransform = this.baseTransform ||\n this.ctx.mozCurrentTransform.slice();\n var canvasGraphicsFactory = {\n createCanvasGraphics: (ctx) => {\n return new CanvasGraphics(ctx, this.commonObjs, this.objs,\n this.canvasFactory);\n },\n };\n pattern = new TilingPattern(IR, color, this.ctx, canvasGraphicsFactory,\n baseTransform);\n } else {\n pattern = getShadingPatternFromIR(IR);\n }\n return pattern;\n },\n setStrokeColorN: function CanvasGraphics_setStrokeColorN() {\n this.current.strokeColor = this.getColorN_Pattern(arguments);\n },\n setFillColorN: function CanvasGraphics_setFillColorN() {\n this.current.fillColor = this.getColorN_Pattern(arguments);\n this.current.patternFill = true;\n },\n setStrokeRGBColor: function CanvasGraphics_setStrokeRGBColor(r, g, b) {\n var color = Util.makeCssRgb(r, g, b);\n this.ctx.strokeStyle = color;\n this.current.strokeColor = color;\n },\n setFillRGBColor: function CanvasGraphics_setFillRGBColor(r, g, b) {\n var color = Util.makeCssRgb(r, g, b);\n this.ctx.fillStyle = color;\n this.current.fillColor = color;\n this.current.patternFill = false;\n },\n\n shadingFill: function CanvasGraphics_shadingFill(patternIR) {\n var ctx = this.ctx;\n\n this.save();\n var pattern = getShadingPatternFromIR(patternIR);\n ctx.fillStyle = pattern.getPattern(ctx, this, true);\n\n var inv = ctx.mozCurrentTransformInverse;\n if (inv) {\n var canvas = ctx.canvas;\n var width = canvas.width;\n var height = canvas.height;\n\n var bl = Util.applyTransform([0, 0], inv);\n var br = Util.applyTransform([0, height], inv);\n var ul = Util.applyTransform([width, 0], inv);\n var ur = Util.applyTransform([width, height], inv);\n\n var x0 = Math.min(bl[0], br[0], ul[0], ur[0]);\n var y0 = Math.min(bl[1], br[1], ul[1], ur[1]);\n var x1 = Math.max(bl[0], br[0], ul[0], ur[0]);\n var y1 = Math.max(bl[1], br[1], ul[1], ur[1]);\n\n this.ctx.fillRect(x0, y0, x1 - x0, y1 - y0);\n } else {\n // HACK to draw the gradient onto an infinite rectangle.\n // PDF gradients are drawn across the entire image while\n // Canvas only allows gradients to be drawn in a rectangle\n // The following bug should allow us to remove this.\n // https://bugzilla.mozilla.org/show_bug.cgi?id=664884\n\n this.ctx.fillRect(-1e10, -1e10, 2e10, 2e10);\n }\n\n this.restore();\n },\n\n // Images\n beginInlineImage: function CanvasGraphics_beginInlineImage() {\n throw new Error('Should not call beginInlineImage');\n },\n beginImageData: function CanvasGraphics_beginImageData() {\n throw new Error('Should not call beginImageData');\n },\n\n paintFormXObjectBegin: function CanvasGraphics_paintFormXObjectBegin(matrix,\n bbox) {\n this.save();\n this.baseTransformStack.push(this.baseTransform);\n\n if (isArray(matrix) && matrix.length === 6) {\n this.transform.apply(this, matrix);\n }\n\n this.baseTransform = this.ctx.mozCurrentTransform;\n\n if (isArray(bbox) && bbox.length === 4) {\n var width = bbox[2] - bbox[0];\n var height = bbox[3] - bbox[1];\n this.ctx.rect(bbox[0], bbox[1], width, height);\n this.clip();\n this.endPath();\n }\n },\n\n paintFormXObjectEnd: function CanvasGraphics_paintFormXObjectEnd() {\n this.restore();\n this.baseTransform = this.baseTransformStack.pop();\n },\n\n beginGroup: function CanvasGraphics_beginGroup(group) {\n this.save();\n var currentCtx = this.ctx;\n // TODO non-isolated groups - according to Rik at adobe non-isolated\n // group results aren't usually that different and they even have tools\n // that ignore this setting. Notes from Rik on implementing:\n // - When you encounter an transparency group, create a new canvas with\n // the dimensions of the bbox\n // - copy the content from the previous canvas to the new canvas\n // - draw as usual\n // - remove the backdrop alpha:\n // alphaNew = 1 - (1 - alpha)/(1 - alphaBackdrop) with 'alpha' the alpha\n // value of your transparency group and 'alphaBackdrop' the alpha of the\n // backdrop\n // - remove background color:\n // colorNew = color - alphaNew *colorBackdrop /(1 - alphaNew)\n if (!group.isolated) {\n info('TODO: Support non-isolated groups.');\n }\n\n // TODO knockout - supposedly possible with the clever use of compositing\n // modes.\n if (group.knockout) {\n warn('Knockout groups not supported.');\n }\n\n var currentTransform = currentCtx.mozCurrentTransform;\n if (group.matrix) {\n currentCtx.transform.apply(currentCtx, group.matrix);\n }\n if (!group.bbox) {\n throw new Error('Bounding box is required.');\n }\n\n // Based on the current transform figure out how big the bounding box\n // will actually be.\n var bounds = Util.getAxialAlignedBoundingBox(\n group.bbox,\n currentCtx.mozCurrentTransform);\n // Clip the bounding box to the current canvas.\n var canvasBounds = [0,\n 0,\n currentCtx.canvas.width,\n currentCtx.canvas.height];\n bounds = Util.intersect(bounds, canvasBounds) || [0, 0, 0, 0];\n // Use ceil in case we're between sizes so we don't create canvas that is\n // too small and make the canvas at least 1x1 pixels.\n var offsetX = Math.floor(bounds[0]);\n var offsetY = Math.floor(bounds[1]);\n var drawnWidth = Math.max(Math.ceil(bounds[2]) - offsetX, 1);\n var drawnHeight = Math.max(Math.ceil(bounds[3]) - offsetY, 1);\n var scaleX = 1, scaleY = 1;\n if (drawnWidth > MAX_GROUP_SIZE) {\n scaleX = drawnWidth / MAX_GROUP_SIZE;\n drawnWidth = MAX_GROUP_SIZE;\n }\n if (drawnHeight > MAX_GROUP_SIZE) {\n scaleY = drawnHeight / MAX_GROUP_SIZE;\n drawnHeight = MAX_GROUP_SIZE;\n }\n\n var cacheId = 'groupAt' + this.groupLevel;\n if (group.smask) {\n // Using two cache entries is case if masks are used one after another.\n cacheId += '_smask_' + ((this.smaskCounter++) % 2);\n }\n var scratchCanvas = this.cachedCanvases.getCanvas(\n cacheId, drawnWidth, drawnHeight, true);\n var groupCtx = scratchCanvas.context;\n\n // Since we created a new canvas that is just the size of the bounding box\n // we have to translate the group ctx.\n groupCtx.scale(1 / scaleX, 1 / scaleY);\n groupCtx.translate(-offsetX, -offsetY);\n groupCtx.transform.apply(groupCtx, currentTransform);\n\n if (group.smask) {\n // Saving state and cached mask to be used in setGState.\n this.smaskStack.push({\n canvas: scratchCanvas.canvas,\n context: groupCtx,\n offsetX,\n offsetY,\n scaleX,\n scaleY,\n subtype: group.smask.subtype,\n backdrop: group.smask.backdrop,\n transferMap: group.smask.transferMap || null,\n startTransformInverse: null, // used during suspend operation\n });\n } else {\n // Setup the current ctx so when the group is popped we draw it at the\n // right location.\n currentCtx.setTransform(1, 0, 0, 1, 0, 0);\n currentCtx.translate(offsetX, offsetY);\n currentCtx.scale(scaleX, scaleY);\n }\n // The transparency group inherits all off the current graphics state\n // except the blend mode, soft mask, and alpha constants.\n copyCtxState(currentCtx, groupCtx);\n this.ctx = groupCtx;\n this.setGState([\n ['BM', 'source-over'],\n ['ca', 1],\n ['CA', 1]\n ]);\n this.groupStack.push(currentCtx);\n this.groupLevel++;\n\n // Reseting mask state, masks will be applied on restore of the group.\n this.current.activeSMask = null;\n },\n\n endGroup: function CanvasGraphics_endGroup(group) {\n this.groupLevel--;\n var groupCtx = this.ctx;\n this.ctx = this.groupStack.pop();\n // Turn off image smoothing to avoid sub pixel interpolation which can\n // look kind of blurry for some pdfs.\n if (this.ctx.imageSmoothingEnabled !== undefined) {\n this.ctx.imageSmoothingEnabled = false;\n } else {\n this.ctx.mozImageSmoothingEnabled = false;\n }\n if (group.smask) {\n this.tempSMask = this.smaskStack.pop();\n } else {\n this.ctx.drawImage(groupCtx.canvas, 0, 0);\n }\n this.restore();\n },\n\n beginAnnotations: function CanvasGraphics_beginAnnotations() {\n this.save();\n if (this.baseTransform) {\n this.ctx.setTransform.apply(this.ctx, this.baseTransform);\n }\n },\n\n endAnnotations: function CanvasGraphics_endAnnotations() {\n this.restore();\n },\n\n beginAnnotation: function CanvasGraphics_beginAnnotation(rect, transform,\n matrix) {\n this.save();\n resetCtxToDefault(this.ctx);\n this.current = new CanvasExtraState();\n\n if (isArray(rect) && rect.length === 4) {\n var width = rect[2] - rect[0];\n var height = rect[3] - rect[1];\n this.ctx.rect(rect[0], rect[1], width, height);\n this.clip();\n this.endPath();\n }\n\n this.transform.apply(this, transform);\n this.transform.apply(this, matrix);\n },\n\n endAnnotation: function CanvasGraphics_endAnnotation() {\n this.restore();\n },\n\n paintJpegXObject: function CanvasGraphics_paintJpegXObject(objId, w, h) {\n var domImage = this.objs.get(objId);\n if (!domImage) {\n warn('Dependent image isn\\'t ready yet');\n return;\n }\n\n this.save();\n\n var ctx = this.ctx;\n // scale the image to the unit square\n ctx.scale(1 / w, -1 / h);\n\n ctx.drawImage(domImage, 0, 0, domImage.width, domImage.height,\n 0, -h, w, h);\n if (this.imageLayer) {\n var currentTransform = ctx.mozCurrentTransformInverse;\n var position = this.getCanvasPosition(0, 0);\n this.imageLayer.appendImage({\n objId,\n left: position[0],\n top: position[1],\n width: w / currentTransform[0],\n height: h / currentTransform[3],\n });\n }\n this.restore();\n },\n\n paintImageMaskXObject: function CanvasGraphics_paintImageMaskXObject(img) {\n var ctx = this.ctx;\n var width = img.width, height = img.height;\n var fillColor = this.current.fillColor;\n var isPatternFill = this.current.patternFill;\n\n var glyph = this.processingType3;\n\n if (COMPILE_TYPE3_GLYPHS && glyph && glyph.compiled === undefined) {\n if (width <= MAX_SIZE_TO_COMPILE && height <= MAX_SIZE_TO_COMPILE) {\n glyph.compiled =\n compileType3Glyph({ data: img.data, width, height, });\n } else {\n glyph.compiled = null;\n }\n }\n\n if (glyph && glyph.compiled) {\n glyph.compiled(ctx);\n return;\n }\n\n var maskCanvas = this.cachedCanvases.getCanvas('maskCanvas',\n width, height);\n var maskCtx = maskCanvas.context;\n maskCtx.save();\n\n putBinaryImageMask(maskCtx, img);\n\n maskCtx.globalCompositeOperation = 'source-in';\n\n maskCtx.fillStyle = isPatternFill ?\n fillColor.getPattern(maskCtx, this) : fillColor;\n maskCtx.fillRect(0, 0, width, height);\n\n maskCtx.restore();\n\n this.paintInlineImageXObject(maskCanvas.canvas);\n },\n\n paintImageMaskXObjectRepeat:\n function CanvasGraphics_paintImageMaskXObjectRepeat(imgData, scaleX,\n scaleY, positions) {\n var width = imgData.width;\n var height = imgData.height;\n var fillColor = this.current.fillColor;\n var isPatternFill = this.current.patternFill;\n\n var maskCanvas = this.cachedCanvases.getCanvas('maskCanvas',\n width, height);\n var maskCtx = maskCanvas.context;\n maskCtx.save();\n\n putBinaryImageMask(maskCtx, imgData);\n\n maskCtx.globalCompositeOperation = 'source-in';\n\n maskCtx.fillStyle = isPatternFill ?\n fillColor.getPattern(maskCtx, this) : fillColor;\n maskCtx.fillRect(0, 0, width, height);\n\n maskCtx.restore();\n\n var ctx = this.ctx;\n for (var i = 0, ii = positions.length; i < ii; i += 2) {\n ctx.save();\n ctx.transform(scaleX, 0, 0, scaleY, positions[i], positions[i + 1]);\n ctx.scale(1, -1);\n ctx.drawImage(maskCanvas.canvas, 0, 0, width, height,\n 0, -1, 1, 1);\n ctx.restore();\n }\n },\n\n paintImageMaskXObjectGroup:\n function CanvasGraphics_paintImageMaskXObjectGroup(images) {\n var ctx = this.ctx;\n\n var fillColor = this.current.fillColor;\n var isPatternFill = this.current.patternFill;\n for (var i = 0, ii = images.length; i < ii; i++) {\n var image = images[i];\n var width = image.width, height = image.height;\n\n var maskCanvas = this.cachedCanvases.getCanvas('maskCanvas',\n width, height);\n var maskCtx = maskCanvas.context;\n maskCtx.save();\n\n putBinaryImageMask(maskCtx, image);\n\n maskCtx.globalCompositeOperation = 'source-in';\n\n maskCtx.fillStyle = isPatternFill ?\n fillColor.getPattern(maskCtx, this) : fillColor;\n maskCtx.fillRect(0, 0, width, height);\n\n maskCtx.restore();\n\n ctx.save();\n ctx.transform.apply(ctx, image.transform);\n ctx.scale(1, -1);\n ctx.drawImage(maskCanvas.canvas, 0, 0, width, height,\n 0, -1, 1, 1);\n ctx.restore();\n }\n },\n\n paintImageXObject: function CanvasGraphics_paintImageXObject(objId) {\n var imgData = this.objs.get(objId);\n if (!imgData) {\n warn('Dependent image isn\\'t ready yet');\n return;\n }\n\n this.paintInlineImageXObject(imgData);\n },\n\n paintImageXObjectRepeat:\n function CanvasGraphics_paintImageXObjectRepeat(objId, scaleX, scaleY,\n positions) {\n var imgData = this.objs.get(objId);\n if (!imgData) {\n warn('Dependent image isn\\'t ready yet');\n return;\n }\n\n var width = imgData.width;\n var height = imgData.height;\n var map = [];\n for (var i = 0, ii = positions.length; i < ii; i += 2) {\n map.push({ transform: [scaleX, 0, 0, scaleY, positions[i],\n positions[i + 1]], x: 0, y: 0, w: width, h: height, });\n }\n this.paintInlineImageXObjectGroup(imgData, map);\n },\n\n paintInlineImageXObject:\n function CanvasGraphics_paintInlineImageXObject(imgData) {\n var width = imgData.width;\n var height = imgData.height;\n var ctx = this.ctx;\n\n this.save();\n // scale the image to the unit square\n ctx.scale(1 / width, -1 / height);\n\n var currentTransform = ctx.mozCurrentTransformInverse;\n var a = currentTransform[0], b = currentTransform[1];\n var widthScale = Math.max(Math.sqrt(a * a + b * b), 1);\n var c = currentTransform[2], d = currentTransform[3];\n var heightScale = Math.max(Math.sqrt(c * c + d * d), 1);\n\n var imgToPaint, tmpCanvas;\n // instanceof HTMLElement does not work in jsdom node.js module\n if (imgData instanceof HTMLElement || !imgData.data) {\n imgToPaint = imgData;\n } else {\n tmpCanvas = this.cachedCanvases.getCanvas('inlineImage',\n width, height);\n var tmpCtx = tmpCanvas.context;\n putBinaryImageData(tmpCtx, imgData);\n imgToPaint = tmpCanvas.canvas;\n }\n\n var paintWidth = width, paintHeight = height;\n var tmpCanvasId = 'prescale1';\n // Vertial or horizontal scaling shall not be more than 2 to not loose the\n // pixels during drawImage operation, painting on the temporary canvas(es)\n // that are twice smaller in size\n while ((widthScale > 2 && paintWidth > 1) ||\n (heightScale > 2 && paintHeight > 1)) {\n var newWidth = paintWidth, newHeight = paintHeight;\n if (widthScale > 2 && paintWidth > 1) {\n newWidth = Math.ceil(paintWidth / 2);\n widthScale /= paintWidth / newWidth;\n }\n if (heightScale > 2 && paintHeight > 1) {\n newHeight = Math.ceil(paintHeight / 2);\n heightScale /= paintHeight / newHeight;\n }\n tmpCanvas = this.cachedCanvases.getCanvas(tmpCanvasId,\n newWidth, newHeight);\n tmpCtx = tmpCanvas.context;\n tmpCtx.clearRect(0, 0, newWidth, newHeight);\n tmpCtx.drawImage(imgToPaint, 0, 0, paintWidth, paintHeight,\n 0, 0, newWidth, newHeight);\n imgToPaint = tmpCanvas.canvas;\n paintWidth = newWidth;\n paintHeight = newHeight;\n tmpCanvasId = tmpCanvasId === 'prescale1' ? 'prescale2' : 'prescale1';\n }\n ctx.drawImage(imgToPaint, 0, 0, paintWidth, paintHeight,\n 0, -height, width, height);\n\n if (this.imageLayer) {\n var position = this.getCanvasPosition(0, -height);\n this.imageLayer.appendImage({\n imgData,\n left: position[0],\n top: position[1],\n width: width / currentTransform[0],\n height: height / currentTransform[3],\n });\n }\n this.restore();\n },\n\n paintInlineImageXObjectGroup:\n function CanvasGraphics_paintInlineImageXObjectGroup(imgData, map) {\n var ctx = this.ctx;\n var w = imgData.width;\n var h = imgData.height;\n\n var tmpCanvas = this.cachedCanvases.getCanvas('inlineImage', w, h);\n var tmpCtx = tmpCanvas.context;\n putBinaryImageData(tmpCtx, imgData);\n\n for (var i = 0, ii = map.length; i < ii; i++) {\n var entry = map[i];\n ctx.save();\n ctx.transform.apply(ctx, entry.transform);\n ctx.scale(1, -1);\n ctx.drawImage(tmpCanvas.canvas, entry.x, entry.y, entry.w, entry.h,\n 0, -1, 1, 1);\n if (this.imageLayer) {\n var position = this.getCanvasPosition(entry.x, entry.y);\n this.imageLayer.appendImage({\n imgData,\n left: position[0],\n top: position[1],\n width: w,\n height: h,\n });\n }\n ctx.restore();\n }\n },\n\n paintSolidColorImageMask:\n function CanvasGraphics_paintSolidColorImageMask() {\n this.ctx.fillRect(0, 0, 1, 1);\n },\n\n paintXObject: function CanvasGraphics_paintXObject() {\n warn('Unsupported \\'paintXObject\\' command.');\n },\n\n // Marked content\n\n markPoint: function CanvasGraphics_markPoint(tag) {\n // TODO Marked content.\n },\n markPointProps: function CanvasGraphics_markPointProps(tag, properties) {\n // TODO Marked content.\n },\n beginMarkedContent: function CanvasGraphics_beginMarkedContent(tag) {\n // TODO Marked content.\n },\n beginMarkedContentProps: function CanvasGraphics_beginMarkedContentProps(\n tag, properties) {\n // TODO Marked content.\n },\n endMarkedContent: function CanvasGraphics_endMarkedContent() {\n // TODO Marked content.\n },\n\n // Compatibility\n\n beginCompat: function CanvasGraphics_beginCompat() {\n // TODO ignore undefined operators (should we do that anyway?)\n },\n endCompat: function CanvasGraphics_endCompat() {\n // TODO stop ignoring undefined operators\n },\n\n // Helper functions\n\n consumePath: function CanvasGraphics_consumePath() {\n var ctx = this.ctx;\n if (this.pendingClip) {\n if (this.pendingClip === EO_CLIP) {\n ctx.clip('evenodd');\n } else {\n ctx.clip();\n }\n this.pendingClip = null;\n }\n ctx.beginPath();\n },\n getSinglePixelWidth: function CanvasGraphics_getSinglePixelWidth(scale) {\n if (this.cachedGetSinglePixelWidth === null) {\n // NOTE: The `save` and `restore` commands used below is a workaround\n // that is necessary in order to prevent `mozCurrentTransformInverse`\n // from intermittently returning incorrect values in Firefox, see:\n // https://github.com/mozilla/pdf.js/issues/7188.\n this.ctx.save();\n var inverse = this.ctx.mozCurrentTransformInverse;\n this.ctx.restore();\n // max of the current horizontal and vertical scale\n this.cachedGetSinglePixelWidth = Math.sqrt(Math.max(\n (inverse[0] * inverse[0] + inverse[1] * inverse[1]),\n (inverse[2] * inverse[2] + inverse[3] * inverse[3])));\n }\n return this.cachedGetSinglePixelWidth;\n },\n getCanvasPosition: function CanvasGraphics_getCanvasPosition(x, y) {\n var transform = this.ctx.mozCurrentTransform;\n return [\n transform[0] * x + transform[2] * y + transform[4],\n transform[1] * x + transform[3] * y + transform[5]\n ];\n },\n };\n\n for (var op in OPS) {\n CanvasGraphics.prototype[OPS[op]] = CanvasGraphics.prototype[op];\n }\n\n return CanvasGraphics;\n})();\n\nexport {\n CanvasGraphics,\n};\n\n\n\n// WEBPACK FOOTER //\n// src/display/canvas.js","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport {\n assert, bytesToString, isEvalSupported, shadow, string32, warn\n} from '../shared/util';\n\nfunction FontLoader(docId) {\n this.docId = docId;\n this.styleElement = null;\n if (typeof PDFJSDev === 'undefined' || !PDFJSDev.test('MOZCENTRAL')) {\n this.nativeFontFaces = [];\n this.loadTestFontId = 0;\n this.loadingContext = {\n requests: [],\n nextRequestId: 0,\n };\n }\n}\nFontLoader.prototype = {\n insertRule: function fontLoaderInsertRule(rule) {\n var styleElement = this.styleElement;\n if (!styleElement) {\n styleElement = this.styleElement = document.createElement('style');\n styleElement.id = 'PDFJS_FONT_STYLE_TAG_' + this.docId;\n document.documentElement.getElementsByTagName('head')[0].appendChild(\n styleElement);\n }\n\n var styleSheet = styleElement.sheet;\n styleSheet.insertRule(rule, styleSheet.cssRules.length);\n },\n\n clear: function fontLoaderClear() {\n if (this.styleElement) {\n // Note: ChildNode.remove doesn't throw if the parentNode is undefined.\n this.styleElement.remove();\n this.styleElement = null;\n }\n if (typeof PDFJSDev === 'undefined' || !PDFJSDev.test('MOZCENTRAL')) {\n this.nativeFontFaces.forEach(function(nativeFontFace) {\n document.fonts.delete(nativeFontFace);\n });\n this.nativeFontFaces.length = 0;\n }\n },\n};\n\nif (typeof PDFJSDev === 'undefined' || !PDFJSDev.test('MOZCENTRAL')) {\n var getLoadTestFont = function () {\n // This is a CFF font with 1 glyph for '.' that fills its entire width and\n // height.\n return atob(\n 'T1RUTwALAIAAAwAwQ0ZGIDHtZg4AAAOYAAAAgUZGVE1lkzZwAAAEHAAAABxHREVGABQAFQ' +\n 'AABDgAAAAeT1MvMlYNYwkAAAEgAAAAYGNtYXABDQLUAAACNAAAAUJoZWFk/xVFDQAAALwA' +\n 'AAA2aGhlYQdkA+oAAAD0AAAAJGhtdHgD6AAAAAAEWAAAAAZtYXhwAAJQAAAAARgAAAAGbm' +\n 'FtZVjmdH4AAAGAAAAAsXBvc3T/hgAzAAADeAAAACAAAQAAAAEAALZRFsRfDzz1AAsD6AAA' +\n 'AADOBOTLAAAAAM4KHDwAAAAAA+gDIQAAAAgAAgAAAAAAAAABAAADIQAAAFoD6AAAAAAD6A' +\n 'ABAAAAAAAAAAAAAAAAAAAAAQAAUAAAAgAAAAQD6AH0AAUAAAKKArwAAACMAooCvAAAAeAA' +\n 'MQECAAACAAYJAAAAAAAAAAAAAQAAAAAAAAAAAAAAAFBmRWQAwAAuAC4DIP84AFoDIQAAAA' +\n 'AAAQAAAAAAAAAAACAAIAABAAAADgCuAAEAAAAAAAAAAQAAAAEAAAAAAAEAAQAAAAEAAAAA' +\n 'AAIAAQAAAAEAAAAAAAMAAQAAAAEAAAAAAAQAAQAAAAEAAAAAAAUAAQAAAAEAAAAAAAYAAQ' +\n 'AAAAMAAQQJAAAAAgABAAMAAQQJAAEAAgABAAMAAQQJAAIAAgABAAMAAQQJAAMAAgABAAMA' +\n 'AQQJAAQAAgABAAMAAQQJAAUAAgABAAMAAQQJAAYAAgABWABYAAAAAAAAAwAAAAMAAAAcAA' +\n 'EAAAAAADwAAwABAAAAHAAEACAAAAAEAAQAAQAAAC7//wAAAC7////TAAEAAAAAAAABBgAA' +\n 'AQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAEAAAAAAA' +\n 'AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA' +\n 'AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA' +\n 'AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA' +\n 'AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMAAA' +\n 'AAAAD/gwAyAAAAAQAAAAAAAAAAAAAAAAAAAAABAAQEAAEBAQJYAAEBASH4DwD4GwHEAvgc' +\n 'A/gXBIwMAYuL+nz5tQXkD5j3CBLnEQACAQEBIVhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWF' +\n 'hYWFhYWFhYAAABAQAADwACAQEEE/t3Dov6fAH6fAT+fPp8+nwHDosMCvm1Cvm1DAz6fBQA' +\n 'AAAAAAABAAAAAMmJbzEAAAAAzgTjFQAAAADOBOQpAAEAAAAAAAAADAAUAAQAAAABAAAAAg' +\n 'ABAAAAAAAAAAAD6AAAAAAAAA==');\n };\n Object.defineProperty(FontLoader.prototype, 'loadTestFont', {\n get() {\n return shadow(this, 'loadTestFont', getLoadTestFont());\n },\n configurable: true,\n });\n\n FontLoader.prototype.addNativeFontFace =\n function fontLoader_addNativeFontFace(nativeFontFace) {\n this.nativeFontFaces.push(nativeFontFace);\n document.fonts.add(nativeFontFace);\n };\n\n FontLoader.prototype.bind = function fontLoaderBind(fonts, callback) {\n var rules = [];\n var fontsToLoad = [];\n var fontLoadPromises = [];\n var getNativeFontPromise = function(nativeFontFace) {\n // Return a promise that is always fulfilled, even when the font fails to\n // load.\n return nativeFontFace.loaded.catch(function(e) {\n warn('Failed to load font \"' + nativeFontFace.family + '\": ' + e);\n });\n };\n // Firefox Font Loading API does not work with mozPrintCallback --\n // disabling it in this case.\n var isFontLoadingAPISupported = FontLoader.isFontLoadingAPISupported &&\n !FontLoader.isSyncFontLoadingSupported;\n for (var i = 0, ii = fonts.length; i < ii; i++) {\n var font = fonts[i];\n\n // Add the font to the DOM only once or skip if the font\n // is already loaded.\n if (font.attached || font.loading === false) {\n continue;\n }\n font.attached = true;\n\n if (isFontLoadingAPISupported) {\n var nativeFontFace = font.createNativeFontFace();\n if (nativeFontFace) {\n this.addNativeFontFace(nativeFontFace);\n fontLoadPromises.push(getNativeFontPromise(nativeFontFace));\n }\n } else {\n var rule = font.createFontFaceRule();\n if (rule) {\n this.insertRule(rule);\n rules.push(rule);\n fontsToLoad.push(font);\n }\n }\n }\n\n var request = this.queueLoadingCallback(callback);\n if (isFontLoadingAPISupported) {\n Promise.all(fontLoadPromises).then(function() {\n request.complete();\n });\n } else if (rules.length > 0 && !FontLoader.isSyncFontLoadingSupported) {\n this.prepareFontLoadEvent(rules, fontsToLoad, request);\n } else {\n request.complete();\n }\n };\n\n FontLoader.prototype.queueLoadingCallback =\n function FontLoader_queueLoadingCallback(callback) {\n function LoadLoader_completeRequest() {\n assert(!request.end, 'completeRequest() cannot be called twice');\n request.end = Date.now();\n\n // sending all completed requests in order how they were queued\n while (context.requests.length > 0 && context.requests[0].end) {\n var otherRequest = context.requests.shift();\n setTimeout(otherRequest.callback, 0);\n }\n }\n\n var context = this.loadingContext;\n var requestId = 'pdfjs-font-loading-' + (context.nextRequestId++);\n var request = {\n id: requestId,\n complete: LoadLoader_completeRequest,\n callback,\n started: Date.now(),\n };\n context.requests.push(request);\n return request;\n };\n\n FontLoader.prototype.prepareFontLoadEvent =\n function fontLoaderPrepareFontLoadEvent(rules, fonts, request) {\n /** Hack begin */\n // There's currently no event when a font has finished downloading so the\n // following code is a dirty hack to 'guess' when a font is\n // ready. It's assumed fonts are loaded in order, so add a known test\n // font after the desired fonts and then test for the loading of that\n // test font.\n\n function int32(data, offset) {\n return (data.charCodeAt(offset) << 24) |\n (data.charCodeAt(offset + 1) << 16) |\n (data.charCodeAt(offset + 2) << 8) |\n (data.charCodeAt(offset + 3) & 0xff);\n }\n\n function spliceString(s, offset, remove, insert) {\n var chunk1 = s.substr(0, offset);\n var chunk2 = s.substr(offset + remove);\n return chunk1 + insert + chunk2;\n }\n\n var i, ii;\n\n // The temporary canvas is used to determine if fonts are loaded.\n var canvas = document.createElement('canvas');\n canvas.width = 1;\n canvas.height = 1;\n var ctx = canvas.getContext('2d');\n\n var called = 0;\n function isFontReady(name, callback) {\n called++;\n // With setTimeout clamping this gives the font ~100ms to load.\n if (called > 30) {\n warn('Load test font never loaded.');\n callback();\n return;\n }\n ctx.font = '30px ' + name;\n ctx.fillText('.', 0, 20);\n var imageData = ctx.getImageData(0, 0, 1, 1);\n if (imageData.data[3] > 0) {\n callback();\n return;\n }\n setTimeout(isFontReady.bind(null, name, callback));\n }\n\n var loadTestFontId = 'lt' + Date.now() + this.loadTestFontId++;\n // Chromium seems to cache fonts based on a hash of the actual font data,\n // so the font must be modified for each load test else it will appear to\n // be loaded already.\n // TODO: This could maybe be made faster by avoiding the btoa of the full\n // font by splitting it in chunks before hand and padding the font id.\n var data = this.loadTestFont;\n var COMMENT_OFFSET = 976; // has to be on 4 byte boundary (for checksum)\n data = spliceString(data, COMMENT_OFFSET, loadTestFontId.length,\n loadTestFontId);\n // CFF checksum is important for IE, adjusting it\n var CFF_CHECKSUM_OFFSET = 16;\n var XXXX_VALUE = 0x58585858; // the \"comment\" filled with 'X'\n var checksum = int32(data, CFF_CHECKSUM_OFFSET);\n for (i = 0, ii = loadTestFontId.length - 3; i < ii; i += 4) {\n checksum = (checksum - XXXX_VALUE + int32(loadTestFontId, i)) | 0;\n }\n if (i < loadTestFontId.length) { // align to 4 bytes boundary\n checksum = (checksum - XXXX_VALUE +\n int32(loadTestFontId + 'XXX', i)) | 0;\n }\n data = spliceString(data, CFF_CHECKSUM_OFFSET, 4, string32(checksum));\n\n var url = 'url(data:font/opentype;base64,' + btoa(data) + ');';\n var rule = '@font-face { font-family:\"' + loadTestFontId + '\";src:' +\n url + '}';\n this.insertRule(rule);\n\n var names = [];\n for (i = 0, ii = fonts.length; i < ii; i++) {\n names.push(fonts[i].loadedName);\n }\n names.push(loadTestFontId);\n\n var div = document.createElement('div');\n div.setAttribute('style',\n 'visibility: hidden;' +\n 'width: 10px; height: 10px;' +\n 'position: absolute; top: 0px; left: 0px;');\n for (i = 0, ii = names.length; i < ii; ++i) {\n var span = document.createElement('span');\n span.textContent = 'Hi';\n span.style.fontFamily = names[i];\n div.appendChild(span);\n }\n document.body.appendChild(div);\n\n isFontReady(loadTestFontId, function() {\n document.body.removeChild(div);\n request.complete();\n });\n /** Hack end */\n };\n} else {\n FontLoader.prototype.bind = function fontLoaderBind(fonts, callback) {\n for (var i = 0, ii = fonts.length; i < ii; i++) {\n var font = fonts[i];\n if (font.attached) {\n continue;\n }\n\n font.attached = true;\n var rule = font.createFontFaceRule();\n if (rule) {\n this.insertRule(rule);\n }\n }\n\n setTimeout(callback);\n };\n}\nif (typeof PDFJSDev === 'undefined' || !PDFJSDev.test('MOZCENTRAL')) {\n FontLoader.isFontLoadingAPISupported = typeof document !== 'undefined' &&\n !!document.fonts;\n}\nif (typeof PDFJSDev === 'undefined' || !PDFJSDev.test('MOZCENTRAL || CHROME')) {\n var isSyncFontLoadingSupported = function isSyncFontLoadingSupported() {\n if (typeof navigator === 'undefined') {\n // node.js - we can pretend sync font loading is supported.\n return true;\n }\n\n var supported = false;\n\n // User agent string sniffing is bad, but there is no reliable way to tell\n // if font is fully loaded and ready to be used with canvas.\n var m = /Mozilla\\/5.0.*?rv:(\\d+).*? Gecko/.exec(navigator.userAgent);\n if (m && m[1] >= 14) {\n supported = true;\n }\n // TODO other browsers\n return supported;\n };\n Object.defineProperty(FontLoader, 'isSyncFontLoadingSupported', {\n get() {\n return shadow(FontLoader, 'isSyncFontLoadingSupported',\n isSyncFontLoadingSupported());\n },\n enumerable: true,\n configurable: true,\n });\n}\n\nvar IsEvalSupportedCached = {\n get value() {\n return shadow(this, 'value', isEvalSupported());\n },\n};\n\nvar FontFaceObject = (function FontFaceObjectClosure() {\n function FontFaceObject(translatedData, options) {\n this.compiledGlyphs = Object.create(null);\n // importing translated data\n for (var i in translatedData) {\n this[i] = translatedData[i];\n }\n this.options = options;\n }\n FontFaceObject.prototype = {\n createNativeFontFace: function FontFaceObject_createNativeFontFace() {\n if (typeof PDFJSDev !== 'undefined' && PDFJSDev.test('MOZCENTRAL')) {\n throw new Error('Not implemented: createNativeFontFace');\n }\n\n if (!this.data) {\n return null;\n }\n\n if (this.options.disableFontFace) {\n this.disableFontFace = true;\n return null;\n }\n\n var nativeFontFace = new FontFace(this.loadedName, this.data, {});\n\n if (this.options.fontRegistry) {\n this.options.fontRegistry.registerFont(this);\n }\n return nativeFontFace;\n },\n\n createFontFaceRule: function FontFaceObject_createFontFaceRule() {\n if (!this.data) {\n return null;\n }\n\n if (this.options.disableFontFace) {\n this.disableFontFace = true;\n return null;\n }\n\n var data = bytesToString(new Uint8Array(this.data));\n var fontName = this.loadedName;\n\n // Add the font-face rule to the document\n var url = ('url(data:' + this.mimetype + ';base64,' + btoa(data) + ');');\n var rule = '@font-face { font-family:\"' + fontName + '\";src:' + url + '}';\n\n if (this.options.fontRegistry) {\n this.options.fontRegistry.registerFont(this, url);\n }\n\n return rule;\n },\n\n getPathGenerator:\n function FontFaceObject_getPathGenerator(objs, character) {\n if (!(character in this.compiledGlyphs)) {\n var cmds = objs.get(this.loadedName + '_path_' + character);\n var current, i, len;\n\n // If we can, compile cmds into JS for MAXIMUM SPEED\n if (this.options.isEvalSupported && IsEvalSupportedCached.value) {\n var args, js = '';\n for (i = 0, len = cmds.length; i < len; i++) {\n current = cmds[i];\n\n if (current.args !== undefined) {\n args = current.args.join(',');\n } else {\n args = '';\n }\n\n js += 'c.' + current.cmd + '(' + args + ');\\n';\n }\n // eslint-disable-next-line no-new-func\n this.compiledGlyphs[character] = new Function('c', 'size', js);\n } else {\n // But fall back on using Function.prototype.apply() if we're\n // blocked from using eval() for whatever reason (like CSP policies)\n this.compiledGlyphs[character] = function(c, size) {\n for (i = 0, len = cmds.length; i < len; i++) {\n current = cmds[i];\n\n if (current.cmd === 'scale') {\n current.args = [size, -size];\n }\n\n c[current.cmd].apply(c, current.args);\n }\n };\n }\n }\n return this.compiledGlyphs[character];\n },\n };\n\n return FontFaceObject;\n})();\n\nexport {\n FontFaceObject,\n FontLoader,\n};\n\n\n\n// WEBPACK FOOTER //\n// src/display/font_loader.js","/* Copyright 2014 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { FormatError, info, isArray, Util } from '../shared/util';\nimport { WebGLUtils } from './webgl';\n\nvar ShadingIRs = {};\n\nShadingIRs.RadialAxial = {\n fromIR: function RadialAxial_fromIR(raw) {\n var type = raw[1];\n var colorStops = raw[2];\n var p0 = raw[3];\n var p1 = raw[4];\n var r0 = raw[5];\n var r1 = raw[6];\n return {\n type: 'Pattern',\n getPattern: function RadialAxial_getPattern(ctx) {\n var grad;\n if (type === 'axial') {\n grad = ctx.createLinearGradient(p0[0], p0[1], p1[0], p1[1]);\n } else if (type === 'radial') {\n grad = ctx.createRadialGradient(p0[0], p0[1], r0, p1[0], p1[1], r1);\n }\n\n for (var i = 0, ii = colorStops.length; i < ii; ++i) {\n var c = colorStops[i];\n grad.addColorStop(c[0], c[1]);\n }\n return grad;\n },\n };\n },\n};\n\nvar createMeshCanvas = (function createMeshCanvasClosure() {\n function drawTriangle(data, context, p1, p2, p3, c1, c2, c3) {\n // Very basic Gouraud-shaded triangle rasterization algorithm.\n var coords = context.coords, colors = context.colors;\n var bytes = data.data, rowSize = data.width * 4;\n var tmp;\n if (coords[p1 + 1] > coords[p2 + 1]) {\n tmp = p1; p1 = p2; p2 = tmp; tmp = c1; c1 = c2; c2 = tmp;\n }\n if (coords[p2 + 1] > coords[p3 + 1]) {\n tmp = p2; p2 = p3; p3 = tmp; tmp = c2; c2 = c3; c3 = tmp;\n }\n if (coords[p1 + 1] > coords[p2 + 1]) {\n tmp = p1; p1 = p2; p2 = tmp; tmp = c1; c1 = c2; c2 = tmp;\n }\n var x1 = (coords[p1] + context.offsetX) * context.scaleX;\n var y1 = (coords[p1 + 1] + context.offsetY) * context.scaleY;\n var x2 = (coords[p2] + context.offsetX) * context.scaleX;\n var y2 = (coords[p2 + 1] + context.offsetY) * context.scaleY;\n var x3 = (coords[p3] + context.offsetX) * context.scaleX;\n var y3 = (coords[p3 + 1] + context.offsetY) * context.scaleY;\n if (y1 >= y3) {\n return;\n }\n var c1r = colors[c1], c1g = colors[c1 + 1], c1b = colors[c1 + 2];\n var c2r = colors[c2], c2g = colors[c2 + 1], c2b = colors[c2 + 2];\n var c3r = colors[c3], c3g = colors[c3 + 1], c3b = colors[c3 + 2];\n\n var minY = Math.round(y1), maxY = Math.round(y3);\n var xa, car, cag, cab;\n var xb, cbr, cbg, cbb;\n var k;\n for (var y = minY; y <= maxY; y++) {\n if (y < y2) {\n k = y < y1 ? 0 : y1 === y2 ? 1 : (y1 - y) / (y1 - y2);\n xa = x1 - (x1 - x2) * k;\n car = c1r - (c1r - c2r) * k;\n cag = c1g - (c1g - c2g) * k;\n cab = c1b - (c1b - c2b) * k;\n } else {\n k = y > y3 ? 1 : y2 === y3 ? 0 : (y2 - y) / (y2 - y3);\n xa = x2 - (x2 - x3) * k;\n car = c2r - (c2r - c3r) * k;\n cag = c2g - (c2g - c3g) * k;\n cab = c2b - (c2b - c3b) * k;\n }\n k = y < y1 ? 0 : y > y3 ? 1 : (y1 - y) / (y1 - y3);\n xb = x1 - (x1 - x3) * k;\n cbr = c1r - (c1r - c3r) * k;\n cbg = c1g - (c1g - c3g) * k;\n cbb = c1b - (c1b - c3b) * k;\n var x1_ = Math.round(Math.min(xa, xb));\n var x2_ = Math.round(Math.max(xa, xb));\n var j = rowSize * y + x1_ * 4;\n for (var x = x1_; x <= x2_; x++) {\n k = (xa - x) / (xa - xb);\n k = k < 0 ? 0 : k > 1 ? 1 : k;\n bytes[j++] = (car - (car - cbr) * k) | 0;\n bytes[j++] = (cag - (cag - cbg) * k) | 0;\n bytes[j++] = (cab - (cab - cbb) * k) | 0;\n bytes[j++] = 255;\n }\n }\n }\n\n function drawFigure(data, figure, context) {\n var ps = figure.coords;\n var cs = figure.colors;\n var i, ii;\n switch (figure.type) {\n case 'lattice':\n var verticesPerRow = figure.verticesPerRow;\n var rows = Math.floor(ps.length / verticesPerRow) - 1;\n var cols = verticesPerRow - 1;\n for (i = 0; i < rows; i++) {\n var q = i * verticesPerRow;\n for (var j = 0; j < cols; j++, q++) {\n drawTriangle(data, context,\n ps[q], ps[q + 1], ps[q + verticesPerRow],\n cs[q], cs[q + 1], cs[q + verticesPerRow]);\n drawTriangle(data, context,\n ps[q + verticesPerRow + 1], ps[q + 1], ps[q + verticesPerRow],\n cs[q + verticesPerRow + 1], cs[q + 1], cs[q + verticesPerRow]);\n }\n }\n break;\n case 'triangles':\n for (i = 0, ii = ps.length; i < ii; i += 3) {\n drawTriangle(data, context,\n ps[i], ps[i + 1], ps[i + 2],\n cs[i], cs[i + 1], cs[i + 2]);\n }\n break;\n default:\n throw new Error('illegal figure');\n }\n }\n\n function createMeshCanvas(bounds, combinesScale, coords, colors, figures,\n backgroundColor, cachedCanvases) {\n // we will increase scale on some weird factor to let antialiasing take\n // care of \"rough\" edges\n var EXPECTED_SCALE = 1.1;\n // MAX_PATTERN_SIZE is used to avoid OOM situation.\n var MAX_PATTERN_SIZE = 3000; // 10in @ 300dpi shall be enough\n // We need to keep transparent border around our pattern for fill():\n // createPattern with 'no-repeat' will bleed edges across entire area.\n var BORDER_SIZE = 2;\n\n var offsetX = Math.floor(bounds[0]);\n var offsetY = Math.floor(bounds[1]);\n var boundsWidth = Math.ceil(bounds[2]) - offsetX;\n var boundsHeight = Math.ceil(bounds[3]) - offsetY;\n\n var width = Math.min(Math.ceil(Math.abs(boundsWidth * combinesScale[0] *\n EXPECTED_SCALE)), MAX_PATTERN_SIZE);\n var height = Math.min(Math.ceil(Math.abs(boundsHeight * combinesScale[1] *\n EXPECTED_SCALE)), MAX_PATTERN_SIZE);\n var scaleX = boundsWidth / width;\n var scaleY = boundsHeight / height;\n\n var context = {\n coords,\n colors,\n offsetX: -offsetX,\n offsetY: -offsetY,\n scaleX: 1 / scaleX,\n scaleY: 1 / scaleY,\n };\n\n var paddedWidth = width + BORDER_SIZE * 2;\n var paddedHeight = height + BORDER_SIZE * 2;\n\n var canvas, tmpCanvas, i, ii;\n if (WebGLUtils.isEnabled) {\n canvas = WebGLUtils.drawFigures(width, height, backgroundColor,\n figures, context);\n\n // https://bugzilla.mozilla.org/show_bug.cgi?id=972126\n tmpCanvas = cachedCanvases.getCanvas('mesh', paddedWidth, paddedHeight,\n false);\n tmpCanvas.context.drawImage(canvas, BORDER_SIZE, BORDER_SIZE);\n canvas = tmpCanvas.canvas;\n } else {\n tmpCanvas = cachedCanvases.getCanvas('mesh', paddedWidth, paddedHeight,\n false);\n var tmpCtx = tmpCanvas.context;\n\n var data = tmpCtx.createImageData(width, height);\n if (backgroundColor) {\n var bytes = data.data;\n for (i = 0, ii = bytes.length; i < ii; i += 4) {\n bytes[i] = backgroundColor[0];\n bytes[i + 1] = backgroundColor[1];\n bytes[i + 2] = backgroundColor[2];\n bytes[i + 3] = 255;\n }\n }\n for (i = 0; i < figures.length; i++) {\n drawFigure(data, figures[i], context);\n }\n tmpCtx.putImageData(data, BORDER_SIZE, BORDER_SIZE);\n canvas = tmpCanvas.canvas;\n }\n\n return {\n canvas,\n offsetX: offsetX - BORDER_SIZE * scaleX,\n offsetY: offsetY - BORDER_SIZE * scaleY,\n scaleX,\n scaleY,\n };\n }\n return createMeshCanvas;\n})();\n\nShadingIRs.Mesh = {\n fromIR: function Mesh_fromIR(raw) {\n // var type = raw[1];\n var coords = raw[2];\n var colors = raw[3];\n var figures = raw[4];\n var bounds = raw[5];\n var matrix = raw[6];\n // var bbox = raw[7];\n var background = raw[8];\n return {\n type: 'Pattern',\n getPattern: function Mesh_getPattern(ctx, owner, shadingFill) {\n var scale;\n if (shadingFill) {\n scale = Util.singularValueDecompose2dScale(ctx.mozCurrentTransform);\n } else {\n // Obtain scale from matrix and current transformation matrix.\n scale = Util.singularValueDecompose2dScale(owner.baseTransform);\n if (matrix) {\n var matrixScale = Util.singularValueDecompose2dScale(matrix);\n scale = [scale[0] * matrixScale[0],\n scale[1] * matrixScale[1]];\n }\n }\n\n\n // Rasterizing on the main thread since sending/queue large canvases\n // might cause OOM.\n var temporaryPatternCanvas = createMeshCanvas(bounds, scale, coords,\n colors, figures, shadingFill ? null : background,\n owner.cachedCanvases);\n\n if (!shadingFill) {\n ctx.setTransform.apply(ctx, owner.baseTransform);\n if (matrix) {\n ctx.transform.apply(ctx, matrix);\n }\n }\n\n ctx.translate(temporaryPatternCanvas.offsetX,\n temporaryPatternCanvas.offsetY);\n ctx.scale(temporaryPatternCanvas.scaleX,\n temporaryPatternCanvas.scaleY);\n\n return ctx.createPattern(temporaryPatternCanvas.canvas, 'no-repeat');\n },\n };\n },\n};\n\nShadingIRs.Dummy = {\n fromIR: function Dummy_fromIR() {\n return {\n type: 'Pattern',\n getPattern: function Dummy_fromIR_getPattern() {\n return 'hotpink';\n },\n };\n },\n};\n\nfunction getShadingPatternFromIR(raw) {\n var shadingIR = ShadingIRs[raw[0]];\n if (!shadingIR) {\n throw new Error(`Unknown IR type: ${raw[0]}`);\n }\n return shadingIR.fromIR(raw);\n}\n\nvar TilingPattern = (function TilingPatternClosure() {\n var PaintType = {\n COLORED: 1,\n UNCOLORED: 2,\n };\n\n var MAX_PATTERN_SIZE = 3000; // 10in @ 300dpi shall be enough\n\n function TilingPattern(IR, color, ctx, canvasGraphicsFactory, baseTransform) {\n this.operatorList = IR[2];\n this.matrix = IR[3] || [1, 0, 0, 1, 0, 0];\n this.bbox = IR[4];\n this.xstep = IR[5];\n this.ystep = IR[6];\n this.paintType = IR[7];\n this.tilingType = IR[8];\n this.color = color;\n this.canvasGraphicsFactory = canvasGraphicsFactory;\n this.baseTransform = baseTransform;\n this.type = 'Pattern';\n this.ctx = ctx;\n }\n\n TilingPattern.prototype = {\n createPatternCanvas: function TilinPattern_createPatternCanvas(owner) {\n var operatorList = this.operatorList;\n var bbox = this.bbox;\n var xstep = this.xstep;\n var ystep = this.ystep;\n var paintType = this.paintType;\n var tilingType = this.tilingType;\n var color = this.color;\n var canvasGraphicsFactory = this.canvasGraphicsFactory;\n\n info('TilingType: ' + tilingType);\n\n var x0 = bbox[0], y0 = bbox[1], x1 = bbox[2], y1 = bbox[3];\n\n var topLeft = [x0, y0];\n // we want the canvas to be as large as the step size\n var botRight = [x0 + xstep, y0 + ystep];\n\n var width = botRight[0] - topLeft[0];\n var height = botRight[1] - topLeft[1];\n\n // Obtain scale from matrix and current transformation matrix.\n var matrixScale = Util.singularValueDecompose2dScale(this.matrix);\n var curMatrixScale = Util.singularValueDecompose2dScale(\n this.baseTransform);\n var combinedScale = [matrixScale[0] * curMatrixScale[0],\n matrixScale[1] * curMatrixScale[1]];\n\n // MAX_PATTERN_SIZE is used to avoid OOM situation.\n // Use width and height values that are as close as possible to the end\n // result when the pattern is used. Too low value makes the pattern look\n // blurry. Too large value makes it look too crispy.\n width = Math.min(Math.ceil(Math.abs(width * combinedScale[0])),\n MAX_PATTERN_SIZE);\n\n height = Math.min(Math.ceil(Math.abs(height * combinedScale[1])),\n MAX_PATTERN_SIZE);\n\n var tmpCanvas = owner.cachedCanvases.getCanvas('pattern',\n width, height, true);\n var tmpCtx = tmpCanvas.context;\n var graphics = canvasGraphicsFactory.createCanvasGraphics(tmpCtx);\n graphics.groupLevel = owner.groupLevel;\n\n this.setFillAndStrokeStyleToContext(tmpCtx, paintType, color);\n\n this.setScale(width, height, xstep, ystep);\n this.transformToScale(graphics);\n\n // transform coordinates to pattern space\n var tmpTranslate = [1, 0, 0, 1, -topLeft[0], -topLeft[1]];\n graphics.transform.apply(graphics, tmpTranslate);\n\n this.clipBbox(graphics, bbox, x0, y0, x1, y1);\n\n graphics.executeOperatorList(operatorList);\n return tmpCanvas.canvas;\n },\n\n setScale: function TilingPattern_setScale(width, height, xstep, ystep) {\n this.scale = [width / xstep, height / ystep];\n },\n\n transformToScale: function TilingPattern_transformToScale(graphics) {\n var scale = this.scale;\n var tmpScale = [scale[0], 0, 0, scale[1], 0, 0];\n graphics.transform.apply(graphics, tmpScale);\n },\n\n scaleToContext: function TilingPattern_scaleToContext() {\n var scale = this.scale;\n this.ctx.scale(1 / scale[0], 1 / scale[1]);\n },\n\n clipBbox: function clipBbox(graphics, bbox, x0, y0, x1, y1) {\n if (isArray(bbox) && bbox.length === 4) {\n var bboxWidth = x1 - x0;\n var bboxHeight = y1 - y0;\n graphics.ctx.rect(x0, y0, bboxWidth, bboxHeight);\n graphics.clip();\n graphics.endPath();\n }\n },\n\n setFillAndStrokeStyleToContext:\n function setFillAndStrokeStyleToContext(context, paintType, color) {\n switch (paintType) {\n case PaintType.COLORED:\n var ctx = this.ctx;\n context.fillStyle = ctx.fillStyle;\n context.strokeStyle = ctx.strokeStyle;\n break;\n case PaintType.UNCOLORED:\n var cssColor = Util.makeCssRgb(color[0], color[1], color[2]);\n context.fillStyle = cssColor;\n context.strokeStyle = cssColor;\n break;\n default:\n throw new FormatError(`Unsupported paint type: ${paintType}`);\n }\n },\n\n getPattern: function TilingPattern_getPattern(ctx, owner) {\n var temporaryPatternCanvas = this.createPatternCanvas(owner);\n\n ctx = this.ctx;\n ctx.setTransform.apply(ctx, this.baseTransform);\n ctx.transform.apply(ctx, this.matrix);\n this.scaleToContext();\n\n return ctx.createPattern(temporaryPatternCanvas, 'repeat');\n },\n };\n\n return TilingPattern;\n})();\n\nexport {\n getShadingPatternFromIR,\n TilingPattern,\n};\n\n\n\n// WEBPACK FOOTER //\n// src/display/pattern_helper.js","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { assert, createPromiseCapability } from '../shared/util';\n\n /** @implements {IPDFStream} */\nvar PDFDataTransportStream = (function PDFDataTransportStreamClosure() {\n function PDFDataTransportStream(params, pdfDataRangeTransport) {\n assert(pdfDataRangeTransport);\n\n this._queuedChunks = [];\n var initialData = params.initialData;\n if (initialData && initialData.length > 0) {\n let buffer = new Uint8Array(initialData).buffer;\n this._queuedChunks.push(buffer);\n }\n\n this._pdfDataRangeTransport = pdfDataRangeTransport;\n this._isRangeSupported = !(params.disableRange);\n this._isStreamingSupported = !(params.disableStream);\n this._contentLength = params.length;\n\n this._fullRequestReader = null;\n this._rangeReaders = [];\n\n this._pdfDataRangeTransport.addRangeListener((begin, chunk) => {\n this._onReceiveData({ begin, chunk, });\n });\n\n this._pdfDataRangeTransport.addProgressListener((loaded) => {\n this._onProgress({ loaded, });\n });\n\n this._pdfDataRangeTransport.addProgressiveReadListener((chunk) => {\n this._onReceiveData({ chunk, });\n });\n\n this._pdfDataRangeTransport.transportReady();\n }\n PDFDataTransportStream.prototype = {\n _onReceiveData: function PDFDataTransportStream_onReceiveData(args) {\n let buffer = new Uint8Array(args.chunk).buffer;\n if (args.begin === undefined) {\n if (this._fullRequestReader) {\n this._fullRequestReader._enqueue(buffer);\n } else {\n this._queuedChunks.push(buffer);\n }\n } else {\n var found = this._rangeReaders.some(function (rangeReader) {\n if (rangeReader._begin !== args.begin) {\n return false;\n }\n rangeReader._enqueue(buffer);\n return true;\n });\n assert(found);\n }\n },\n\n _onProgress: function PDFDataTransportStream_onDataProgress(evt) {\n if (this._rangeReaders.length > 0) {\n // Reporting to first range reader.\n var firstReader = this._rangeReaders[0];\n if (firstReader.onProgress) {\n firstReader.onProgress({ loaded: evt.loaded, });\n }\n }\n },\n\n _removeRangeReader:\n function PDFDataTransportStream_removeRangeReader(reader) {\n var i = this._rangeReaders.indexOf(reader);\n if (i >= 0) {\n this._rangeReaders.splice(i, 1);\n }\n },\n\n getFullReader: function PDFDataTransportStream_getFullReader() {\n assert(!this._fullRequestReader);\n var queuedChunks = this._queuedChunks;\n this._queuedChunks = null;\n return new PDFDataTransportStreamReader(this, queuedChunks);\n },\n\n getRangeReader: function PDFDataTransportStream_getRangeReader(begin, end) {\n var reader = new PDFDataTransportStreamRangeReader(this, begin, end);\n this._pdfDataRangeTransport.requestDataRange(begin, end);\n this._rangeReaders.push(reader);\n return reader;\n },\n\n cancelAllRequests:\n function PDFDataTransportStream_cancelAllRequests(reason) {\n if (this._fullRequestReader) {\n this._fullRequestReader.cancel(reason);\n }\n var readers = this._rangeReaders.slice(0);\n readers.forEach(function (rangeReader) {\n rangeReader.cancel(reason);\n });\n this._pdfDataRangeTransport.abort();\n },\n };\n\n /** @implements {IPDFStreamReader} */\n function PDFDataTransportStreamReader(stream, queuedChunks) {\n this._stream = stream;\n this._done = false;\n this._queuedChunks = queuedChunks || [];\n this._requests = [];\n this._headersReady = Promise.resolve();\n stream._fullRequestReader = this;\n\n this.onProgress = null; // not used\n }\n PDFDataTransportStreamReader.prototype = {\n _enqueue: function PDFDataTransportStreamReader_enqueue(chunk) {\n if (this._done) {\n return; // ignore new data\n }\n if (this._requests.length > 0) {\n var requestCapability = this._requests.shift();\n requestCapability.resolve({ value: chunk, done: false, });\n return;\n }\n this._queuedChunks.push(chunk);\n },\n\n get headersReady() {\n return this._headersReady;\n },\n\n get isRangeSupported() {\n return this._stream._isRangeSupported;\n },\n\n get isStreamingSupported() {\n return this._stream._isStreamingSupported;\n },\n\n get contentLength() {\n return this._stream._contentLength;\n },\n\n read: function PDFDataTransportStreamReader_read() {\n if (this._queuedChunks.length > 0) {\n var chunk = this._queuedChunks.shift();\n return Promise.resolve({ value: chunk, done: false, });\n }\n if (this._done) {\n return Promise.resolve({ value: undefined, done: true, });\n }\n var requestCapability = createPromiseCapability();\n this._requests.push(requestCapability);\n return requestCapability.promise;\n },\n\n cancel: function PDFDataTransportStreamReader_cancel(reason) {\n this._done = true;\n this._requests.forEach(function (requestCapability) {\n requestCapability.resolve({ value: undefined, done: true, });\n });\n this._requests = [];\n },\n };\n\n /** @implements {IPDFStreamRangeReader} */\n function PDFDataTransportStreamRangeReader(stream, begin, end) {\n this._stream = stream;\n this._begin = begin;\n this._end = end;\n this._queuedChunk = null;\n this._requests = [];\n this._done = false;\n\n this.onProgress = null;\n }\n PDFDataTransportStreamRangeReader.prototype = {\n _enqueue: function PDFDataTransportStreamRangeReader_enqueue(chunk) {\n if (this._done) {\n return; // ignore new data\n }\n if (this._requests.length === 0) {\n this._queuedChunk = chunk;\n } else {\n var requestsCapability = this._requests.shift();\n requestsCapability.resolve({ value: chunk, done: false, });\n this._requests.forEach(function (requestCapability) {\n requestCapability.resolve({ value: undefined, done: true, });\n });\n this._requests = [];\n }\n this._done = true;\n this._stream._removeRangeReader(this);\n },\n\n get isStreamingSupported() {\n return false;\n },\n\n read: function PDFDataTransportStreamRangeReader_read() {\n if (this._queuedChunk) {\n let chunk = this._queuedChunk;\n this._queuedChunk = null;\n return Promise.resolve({ value: chunk, done: false, });\n }\n if (this._done) {\n return Promise.resolve({ value: undefined, done: true, });\n }\n var requestCapability = createPromiseCapability();\n this._requests.push(requestCapability);\n return requestCapability.promise;\n },\n\n cancel: function PDFDataTransportStreamRangeReader_cancel(reason) {\n this._done = true;\n this._requests.forEach(function (requestCapability) {\n requestCapability.resolve({ value: undefined, done: true, });\n });\n this._requests = [];\n this._stream._removeRangeReader(this);\n },\n };\n\n return PDFDataTransportStream;\n})();\n\nexport {\n PDFDataTransportStream,\n};\n\n\n\n// WEBPACK FOOTER //\n// src/display/transport_stream.js","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* eslint-disable no-unused-vars */\n\n'use strict';\n\nvar pdfjsVersion =\n typeof PDFJSDev !== 'undefined' ? PDFJSDev.eval('BUNDLE_VERSION') : void 0;\nvar pdfjsBuild =\n typeof PDFJSDev !== 'undefined' ? PDFJSDev.eval('BUNDLE_BUILD') : void 0;\n\nvar pdfjsSharedUtil = require('./shared/util.js');\nvar pdfjsDisplayGlobal = require('./display/global.js');\nvar pdfjsDisplayAPI = require('./display/api.js');\nvar pdfjsDisplayTextLayer = require('./display/text_layer.js');\nvar pdfjsDisplayAnnotationLayer = require('./display/annotation_layer.js');\nvar pdfjsDisplayDOMUtils = require('./display/dom_utils.js');\nvar pdfjsDisplaySVG = require('./display/svg.js');\n\nif (typeof PDFJSDev === 'undefined' ||\n !PDFJSDev.test('FIREFOX || MOZCENTRAL')) {\n require('./display/network.js');\n}\n\nexports.PDFJS = pdfjsDisplayGlobal.PDFJS;\nexports.build = pdfjsDisplayAPI.build;\nexports.version = pdfjsDisplayAPI.version;\nexports.getDocument = pdfjsDisplayAPI.getDocument;\nexports.LoopbackPort = pdfjsDisplayAPI.LoopbackPort;\nexports.PDFDataRangeTransport = pdfjsDisplayAPI.PDFDataRangeTransport;\nexports.PDFWorker = pdfjsDisplayAPI.PDFWorker;\nexports.renderTextLayer = pdfjsDisplayTextLayer.renderTextLayer;\nexports.AnnotationLayer = pdfjsDisplayAnnotationLayer.AnnotationLayer;\nexports.CustomStyle = pdfjsDisplayDOMUtils.CustomStyle;\nexports.createPromiseCapability = pdfjsSharedUtil.createPromiseCapability;\nexports.PasswordResponses = pdfjsSharedUtil.PasswordResponses;\nexports.InvalidPDFException = pdfjsSharedUtil.InvalidPDFException;\nexports.MissingPDFException = pdfjsSharedUtil.MissingPDFException;\nexports.SVGGraphics = pdfjsDisplaySVG.SVGGraphics;\nexports.NativeImageDecoding = pdfjsSharedUtil.NativeImageDecoding;\nexports.UnexpectedResponseException =\n pdfjsSharedUtil.UnexpectedResponseException;\nexports.OPS = pdfjsSharedUtil.OPS;\nexports.UNSUPPORTED_FEATURES = pdfjsSharedUtil.UNSUPPORTED_FEATURES;\nexports.isValidUrl = pdfjsDisplayDOMUtils.isValidUrl;\nexports.createValidAbsoluteUrl = pdfjsSharedUtil.createValidAbsoluteUrl;\nexports.createObjectURL = pdfjsSharedUtil.createObjectURL;\nexports.removeNullCharacters = pdfjsSharedUtil.removeNullCharacters;\nexports.shadow = pdfjsSharedUtil.shadow;\nexports.createBlob = pdfjsSharedUtil.createBlob;\nexports.RenderingCancelledException =\n pdfjsDisplayDOMUtils.RenderingCancelledException;\nexports.getFilenameFromUrl = pdfjsDisplayDOMUtils.getFilenameFromUrl;\nexports.addLinkAttributes = pdfjsDisplayDOMUtils.addLinkAttributes;\nexports.StatTimer = pdfjsSharedUtil.StatTimer;\n\n\n\n// WEBPACK FOOTER //\n// src/pdf.js","/* Copyright 2017 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* eslint-disable no-extend-native */\n/* globals VBArray, PDFJS, global */\n\n// Skip compatibility checks for the extensions and if we already ran\n// this module.\nif ((typeof PDFJSDev === 'undefined' ||\n !PDFJSDev.test('FIREFOX || MOZCENTRAL || CHROME')) &&\n (typeof PDFJS === 'undefined' || !PDFJS.compatibilityChecked)) {\n\nvar globalScope =\n (typeof window !== 'undefined' && window.Math === Math) ? window :\n (typeof global !== 'undefined' && global.Math === Math) ? global :\n (typeof self !== 'undefined' && self.Math === Math) ? self :\n (typeof this !== 'undefined' && this.Math === Math) ? this : {};\n\nvar userAgent = (typeof navigator !== 'undefined' && navigator.userAgent) || '';\nvar isAndroid = /Android/.test(userAgent);\nvar isAndroidPre3 = /Android\\s[0-2][^\\d]/.test(userAgent);\nvar isAndroidPre5 = /Android\\s[0-4][^\\d]/.test(userAgent);\nvar isChrome = userAgent.indexOf('Chrom') >= 0;\nvar isChromeWithRangeBug = /Chrome\\/(39|40)\\./.test(userAgent);\nvar isIOSChrome = userAgent.indexOf('CriOS') >= 0;\nvar isIE = userAgent.indexOf('Trident') >= 0;\nvar isIOS = /\\b(iPad|iPhone|iPod)(?=;)/.test(userAgent);\nvar isOpera = userAgent.indexOf('Opera') >= 0;\nvar isSafari = /Safari\\//.test(userAgent) &&\n !/(Chrome\\/|Android\\s)/.test(userAgent);\n\nvar hasDOM = typeof window === 'object' && typeof document === 'object';\n\n// Initializing PDFJS global object here, it case if we need to change/disable\n// some PDF.js features, e.g. range requests\nif (typeof PDFJS === 'undefined') {\n globalScope.PDFJS = {};\n}\n\nPDFJS.compatibilityChecked = true;\n\n// Checking if the typed arrays are supported\n// Support: iOS<6.0 (subarray), IE<10, Android<4.0\n(function checkTypedArrayCompatibility() {\n if (typeof Uint8Array !== 'undefined') {\n // Support: iOS<6.0\n if (typeof Uint8Array.prototype.subarray === 'undefined') {\n Uint8Array.prototype.subarray = function subarray(start, end) {\n return new Uint8Array(this.slice(start, end));\n };\n Float32Array.prototype.subarray = function subarray(start, end) {\n return new Float32Array(this.slice(start, end));\n };\n }\n\n // Support: Android<4.1\n if (typeof Float64Array === 'undefined') {\n globalScope.Float64Array = Float32Array;\n }\n return;\n }\n\n function subarray(start, end) {\n return new TypedArray(this.slice(start, end));\n }\n\n function setArrayOffset(array, offset) {\n if (arguments.length < 2) {\n offset = 0;\n }\n for (var i = 0, n = array.length; i < n; ++i, ++offset) {\n this[offset] = array[i] & 0xFF;\n }\n }\n\n function Uint32ArrayView(buffer, length) {\n this.buffer = buffer;\n this.byteLength = buffer.length;\n this.length = length;\n ensureUint32ArrayViewProps(this.length);\n }\n Uint32ArrayView.prototype = Object.create(null);\n\n var uint32ArrayViewSetters = 0;\n function createUint32ArrayProp(index) {\n return {\n get() {\n var buffer = this.buffer, offset = index << 2;\n return (buffer[offset] | (buffer[offset + 1] << 8) |\n (buffer[offset + 2] << 16) | (buffer[offset + 3] << 24)) >>> 0;\n },\n set(value) {\n var buffer = this.buffer, offset = index << 2;\n buffer[offset] = value & 255;\n buffer[offset + 1] = (value >> 8) & 255;\n buffer[offset + 2] = (value >> 16) & 255;\n buffer[offset + 3] = (value >>> 24) & 255;\n },\n };\n }\n\n function ensureUint32ArrayViewProps(length) {\n while (uint32ArrayViewSetters < length) {\n Object.defineProperty(Uint32ArrayView.prototype,\n uint32ArrayViewSetters,\n createUint32ArrayProp(uint32ArrayViewSetters));\n uint32ArrayViewSetters++;\n }\n }\n\n function TypedArray(arg1) {\n var result, i, n;\n if (typeof arg1 === 'number') {\n result = [];\n for (i = 0; i < arg1; ++i) {\n result[i] = 0;\n }\n } else if ('slice' in arg1) {\n result = arg1.slice(0);\n } else {\n result = [];\n for (i = 0, n = arg1.length; i < n; ++i) {\n result[i] = arg1[i];\n }\n }\n\n result.subarray = subarray;\n result.buffer = result;\n result.byteLength = result.length;\n result.set = setArrayOffset;\n\n if (typeof arg1 === 'object' && arg1.buffer) {\n result.buffer = arg1.buffer;\n }\n return result;\n }\n\n globalScope.Uint8Array = TypedArray;\n globalScope.Int8Array = TypedArray;\n\n // we don't need support for set, byteLength for 32-bit array\n // so we can use the TypedArray as well\n globalScope.Int32Array = TypedArray;\n globalScope.Uint16Array = TypedArray;\n globalScope.Float32Array = TypedArray;\n globalScope.Float64Array = TypedArray;\n\n globalScope.Uint32Array = function () {\n if (arguments.length === 3) {\n // Building view for buffer, offset, and length\n if (arguments[1] !== 0) {\n throw new Error('offset !== 0 is not supported');\n }\n return new Uint32ArrayView(arguments[0], arguments[2]);\n }\n return TypedArray.apply(this, arguments);\n };\n})();\n\n// window.CanvasPixelArray.buffer/.byteLength\n// Support: IE9\n(function canvasPixelArrayBuffer() {\n if (!hasDOM || !window.CanvasPixelArray) {\n return;\n }\n var cpaProto = window.CanvasPixelArray.prototype;\n if ('buffer' in cpaProto) {\n return;\n }\n // Trying to fake CanvasPixelArray as Uint8ClampedArray.\n Object.defineProperty(cpaProto, 'buffer', {\n get() {\n return this;\n },\n enumerable: false,\n configurable: true,\n });\n Object.defineProperty(cpaProto, 'byteLength', {\n get() {\n return this.length;\n },\n enumerable: false,\n configurable: true,\n });\n})();\n\n// URL = URL || webkitURL\n// Support: Safari<7, Android 4.2+\n(function normalizeURLObject() {\n if (!globalScope.URL) {\n globalScope.URL = globalScope.webkitURL;\n }\n})();\n\n// Object.defineProperty()?\n// Support: Android<4.0, Safari<5.1\n(function checkObjectDefinePropertyCompatibility() {\n if (typeof Object.defineProperty !== 'undefined') {\n var definePropertyPossible = true;\n try {\n if (hasDOM) {\n // some browsers (e.g. safari) cannot use defineProperty() on DOM\n // objects and thus the native version is not sufficient\n Object.defineProperty(new Image(), 'id', { value: 'test', });\n }\n // ... another test for android gb browser for non-DOM objects\n var Test = function Test() {};\n Test.prototype = { get id() { }, };\n Object.defineProperty(new Test(), 'id',\n { value: '', configurable: true, enumerable: true, writable: false, });\n } catch (e) {\n definePropertyPossible = false;\n }\n if (definePropertyPossible) {\n return;\n }\n }\n\n Object.defineProperty = function objectDefineProperty(obj, name, def) {\n delete obj[name];\n if ('get' in def) {\n obj.__defineGetter__(name, def['get']);\n }\n if ('set' in def) {\n obj.__defineSetter__(name, def['set']);\n }\n if ('value' in def) {\n obj.__defineSetter__(name, function objectDefinePropertySetter(value) {\n this.__defineGetter__(name, function objectDefinePropertyGetter() {\n return value;\n });\n return value;\n });\n obj[name] = def.value;\n }\n };\n})();\n\n\n// No XMLHttpRequest#response?\n// Support: IE<11, Android <4.0\n(function checkXMLHttpRequestResponseCompatibility() {\n if (typeof XMLHttpRequest === 'undefined') {\n return;\n }\n var xhrPrototype = XMLHttpRequest.prototype;\n var xhr = new XMLHttpRequest();\n if (!('overrideMimeType' in xhr)) {\n // IE10 might have response, but not overrideMimeType\n // Support: IE10\n Object.defineProperty(xhrPrototype, 'overrideMimeType', {\n value: function xmlHttpRequestOverrideMimeType(mimeType) {},\n });\n }\n if ('responseType' in xhr) {\n return;\n }\n\n Object.defineProperty(xhrPrototype, 'responseType', {\n get: function xmlHttpRequestGetResponseType() {\n return this._responseType || 'text';\n },\n set: function xmlHttpRequestSetResponseType(value) {\n if (value === 'text' || value === 'arraybuffer') {\n this._responseType = value;\n if (value === 'arraybuffer' &&\n typeof this.overrideMimeType === 'function') {\n this.overrideMimeType('text/plain; charset=x-user-defined');\n }\n }\n },\n });\n\n // Support: IE9\n if (typeof VBArray !== 'undefined') {\n Object.defineProperty(xhrPrototype, 'response', {\n get: function xmlHttpRequestResponseGet() {\n if (this.responseType === 'arraybuffer') {\n return new Uint8Array(new VBArray(this.responseBody).toArray());\n }\n return this.responseText;\n },\n });\n return;\n }\n\n Object.defineProperty(xhrPrototype, 'response', {\n get: function xmlHttpRequestResponseGet() {\n if (this.responseType !== 'arraybuffer') {\n return this.responseText;\n }\n var text = this.responseText;\n var i, n = text.length;\n var result = new Uint8Array(n);\n for (i = 0; i < n; ++i) {\n result[i] = text.charCodeAt(i) & 0xFF;\n }\n return result.buffer;\n },\n });\n})();\n\n// window.btoa (base64 encode function) ?\n// Support: IE<10\n(function checkWindowBtoaCompatibility() {\n if ('btoa' in globalScope) {\n return;\n }\n\n var digits =\n 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';\n\n globalScope.btoa = function (chars) {\n var buffer = '';\n var i, n;\n for (i = 0, n = chars.length; i < n; i += 3) {\n var b1 = chars.charCodeAt(i) & 0xFF;\n var b2 = chars.charCodeAt(i + 1) & 0xFF;\n var b3 = chars.charCodeAt(i + 2) & 0xFF;\n var d1 = b1 >> 2, d2 = ((b1 & 3) << 4) | (b2 >> 4);\n var d3 = i + 1 < n ? ((b2 & 0xF) << 2) | (b3 >> 6) : 64;\n var d4 = i + 2 < n ? (b3 & 0x3F) : 64;\n buffer += (digits.charAt(d1) + digits.charAt(d2) +\n digits.charAt(d3) + digits.charAt(d4));\n }\n return buffer;\n };\n})();\n\n// window.atob (base64 encode function)?\n// Support: IE<10\n(function checkWindowAtobCompatibility() {\n if ('atob' in globalScope) {\n return;\n }\n\n // https://github.com/davidchambers/Base64.js\n var digits =\n 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';\n globalScope.atob = function (input) {\n input = input.replace(/=+$/, '');\n if (input.length % 4 === 1) {\n throw new Error('bad atob input');\n }\n for (\n // initialize result and counters\n var bc = 0, bs, buffer, idx = 0, output = '';\n // get next character\n (buffer = input.charAt(idx++));\n // character found in table?\n // initialize bit storage and add its ascii value\n ~buffer && (bs = bc % 4 ? bs * 64 + buffer : buffer,\n // and if not first of each 4 characters,\n // convert the first 8 bits to one ascii character\n bc++ % 4) ? output += String.fromCharCode(255 & bs >> (-2 * bc & 6)) : 0\n ) {\n // try to find character in table (0-63, not found => -1)\n buffer = digits.indexOf(buffer);\n }\n return output;\n };\n})();\n\n// Function.prototype.bind?\n// Support: Android<4.0, iOS<6.0\n(function checkFunctionPrototypeBindCompatibility() {\n if (typeof Function.prototype.bind !== 'undefined') {\n return;\n }\n\n Function.prototype.bind = function functionPrototypeBind(obj) {\n var fn = this, headArgs = Array.prototype.slice.call(arguments, 1);\n var bound = function functionPrototypeBindBound() {\n var args = headArgs.concat(Array.prototype.slice.call(arguments));\n return fn.apply(obj, args);\n };\n return bound;\n };\n})();\n\n// HTMLElement dataset property\n// Support: IE<11, Safari<5.1, Android<4.0\n(function checkDatasetProperty() {\n if (!hasDOM) {\n return;\n }\n var div = document.createElement('div');\n if ('dataset' in div) {\n return; // dataset property exists\n }\n\n Object.defineProperty(HTMLElement.prototype, 'dataset', {\n get() {\n if (this._dataset) {\n return this._dataset;\n }\n\n var dataset = {};\n for (var j = 0, jj = this.attributes.length; j < jj; j++) {\n var attribute = this.attributes[j];\n if (attribute.name.substring(0, 5) !== 'data-') {\n continue;\n }\n var key = attribute.name.substring(5).replace(/\\-([a-z])/g,\n function(all, ch) {\n return ch.toUpperCase();\n });\n dataset[key] = attribute.value;\n }\n\n Object.defineProperty(this, '_dataset', {\n value: dataset,\n writable: false,\n enumerable: false,\n });\n return dataset;\n },\n enumerable: true,\n });\n})();\n\n// HTMLElement classList property\n// Support: IE<10, Android<4.0, iOS<5.0\n(function checkClassListProperty() {\n function changeList(element, itemName, add, remove) {\n var s = element.className || '';\n var list = s.split(/\\s+/g);\n if (list[0] === '') {\n list.shift();\n }\n var index = list.indexOf(itemName);\n if (index < 0 && add) {\n list.push(itemName);\n }\n if (index >= 0 && remove) {\n list.splice(index, 1);\n }\n element.className = list.join(' ');\n return (index >= 0);\n }\n\n if (!hasDOM) {\n return;\n }\n\n var div = document.createElement('div');\n if ('classList' in div) {\n return; // classList property exists\n }\n\n var classListPrototype = {\n add(name) {\n changeList(this.element, name, true, false);\n },\n contains(name) {\n return changeList(this.element, name, false, false);\n },\n remove(name) {\n changeList(this.element, name, false, true);\n },\n toggle(name) {\n changeList(this.element, name, true, true);\n },\n };\n\n Object.defineProperty(HTMLElement.prototype, 'classList', {\n get() {\n if (this._classList) {\n return this._classList;\n }\n\n var classList = Object.create(classListPrototype, {\n element: {\n value: this,\n writable: false,\n enumerable: true,\n },\n });\n Object.defineProperty(this, '_classList', {\n value: classList,\n writable: false,\n enumerable: false,\n });\n return classList;\n },\n enumerable: true,\n });\n})();\n\n// Checking if worker has console support. Forwarding all messages to the main\n// thread if console object is absent.\n(function checkWorkerConsoleCompatibility() {\n if (typeof importScripts === 'undefined' || 'console' in globalScope) {\n return;\n }\n\n var consoleTimer = {};\n\n var workerConsole = {\n log: function log() {\n var args = Array.prototype.slice.call(arguments);\n globalScope.postMessage({\n targetName: 'main',\n action: 'console_log',\n data: args,\n });\n },\n\n error: function error() {\n var args = Array.prototype.slice.call(arguments);\n globalScope.postMessage({\n targetName: 'main',\n action: 'console_error',\n data: args,\n });\n },\n\n time: function time(name) {\n consoleTimer[name] = Date.now();\n },\n\n timeEnd: function timeEnd(name) {\n var time = consoleTimer[name];\n if (!time) {\n throw new Error('Unknown timer name ' + name);\n }\n this.log('Timer:', name, Date.now() - time);\n },\n };\n\n globalScope.console = workerConsole;\n})();\n\n// Check console compatibility\n// In older IE versions the console object is not available\n// unless console is open.\n// Support: IE<10\n(function checkConsoleCompatibility() {\n if (!hasDOM) {\n return;\n }\n if (!('console' in window)) {\n window.console = {\n log() {},\n error() {},\n warn() {},\n };\n return;\n }\n if (!('bind' in console.log)) {\n // native functions in IE9 might not have bind\n console.log = (function(fn) {\n return function(msg) {\n return fn(msg);\n };\n })(console.log);\n console.error = (function(fn) {\n return function(msg) {\n return fn(msg);\n };\n })(console.error);\n console.warn = (function(fn) {\n return function(msg) {\n return fn(msg);\n };\n })(console.warn);\n return;\n }\n})();\n\n// Check onclick compatibility in Opera\n// Support: Opera<15\n(function checkOnClickCompatibility() {\n // workaround for reported Opera bug DSK-354448:\n // onclick fires on disabled buttons with opaque content\n function ignoreIfTargetDisabled(event) {\n if (isDisabled(event.target)) {\n event.stopPropagation();\n }\n }\n function isDisabled(node) {\n return node.disabled || (node.parentNode && isDisabled(node.parentNode));\n }\n if (isOpera) {\n // use browser detection since we cannot feature-check this bug\n document.addEventListener('click', ignoreIfTargetDisabled, true);\n }\n})();\n\n// Checks if possible to use URL.createObjectURL()\n// Support: IE, Chrome on iOS\n(function checkOnBlobSupport() {\n // sometimes IE and Chrome on iOS loosing the data created with\n // createObjectURL(), see #3977 and #8081\n if (isIE || isIOSChrome) {\n PDFJS.disableCreateObjectURL = true;\n }\n})();\n\n// Checks if navigator.language is supported\n(function checkNavigatorLanguage() {\n if (typeof navigator === 'undefined') {\n return;\n }\n if ('language' in navigator) {\n return;\n }\n PDFJS.locale = navigator.userLanguage || 'en-US';\n})();\n\n// Support: Safari 6.0+, Android<3.0, Chrome 39/40, iOS\n(function checkRangeRequests() {\n // Safari has issues with cached range requests see:\n // https://github.com/mozilla/pdf.js/issues/3260\n // Last tested with version 6.0.4.\n\n // Older versions of Android (pre 3.0) has issues with range requests, see:\n // https://github.com/mozilla/pdf.js/issues/3381.\n // Make sure that we only match webkit-based Android browsers,\n // since Firefox/Fennec works as expected.\n\n // Range requests are broken in Chrome 39 and 40, https://crbug.com/442318\n if (isSafari || isAndroidPre3 || isChromeWithRangeBug || isIOS) {\n PDFJS.disableRange = true;\n PDFJS.disableStream = true;\n }\n})();\n\n// Check if the browser supports manipulation of the history.\n// Support: IE<10, Android<4.2\n(function checkHistoryManipulation() {\n if (!hasDOM) {\n return;\n }\n // Android 2.x has so buggy pushState support that it was removed in\n // Android 3.0 and restored as late as in Android 4.2.\n // Support: Android 2.x\n if (!history.pushState || isAndroidPre3) {\n PDFJS.disableHistory = true;\n }\n})();\n\n// Support: IE<11, Chrome<21, Android<4.4, Safari<6\n(function checkSetPresenceInImageData() {\n if (!hasDOM) {\n return;\n }\n // IE < 11 will use window.CanvasPixelArray which lacks set function.\n if (window.CanvasPixelArray) {\n if (typeof window.CanvasPixelArray.prototype.set !== 'function') {\n window.CanvasPixelArray.prototype.set = function(arr) {\n for (var i = 0, ii = this.length; i < ii; i++) {\n this[i] = arr[i];\n }\n };\n }\n } else {\n // Old Chrome and Android use an inaccessible CanvasPixelArray prototype.\n // Because we cannot feature detect it, we rely on user agent parsing.\n var polyfill = false, versionMatch;\n if (isChrome) {\n versionMatch = userAgent.match(/Chrom(e|ium)\\/([0-9]+)\\./);\n // Chrome < 21 lacks the set function.\n polyfill = versionMatch && parseInt(versionMatch[2]) < 21;\n } else if (isAndroid) {\n // Android < 4.4 lacks the set function.\n // Android >= 4.4 will contain Chrome in the user agent,\n // thus pass the Chrome check above and not reach this block.\n polyfill = isAndroidPre5;\n } else if (isSafari) {\n versionMatch = userAgent.\n match(/Version\\/([0-9]+)\\.([0-9]+)\\.([0-9]+) Safari\\//);\n // Safari < 6 lacks the set function.\n polyfill = versionMatch && parseInt(versionMatch[1]) < 6;\n }\n\n if (polyfill) {\n var contextPrototype = window.CanvasRenderingContext2D.prototype;\n var createImageData = contextPrototype.createImageData;\n contextPrototype.createImageData = function(w, h) {\n var imageData = createImageData.call(this, w, h);\n imageData.data.set = function(arr) {\n for (var i = 0, ii = this.length; i < ii; i++) {\n this[i] = arr[i];\n }\n };\n return imageData;\n };\n // this closure will be kept referenced, so clear its vars\n contextPrototype = null;\n }\n }\n})();\n\n// Support: IE<10, Android<4.0, iOS\n(function checkRequestAnimationFrame() {\n function installFakeAnimationFrameFunctions() {\n window.requestAnimationFrame = function (callback) {\n return window.setTimeout(callback, 20);\n };\n window.cancelAnimationFrame = function (timeoutID) {\n window.clearTimeout(timeoutID);\n };\n }\n\n if (!hasDOM) {\n return;\n }\n if (isIOS) {\n // requestAnimationFrame on iOS is broken, replacing with fake one.\n installFakeAnimationFrameFunctions();\n return;\n }\n if ('requestAnimationFrame' in window) {\n return;\n }\n window.requestAnimationFrame = window.mozRequestAnimationFrame ||\n window.webkitRequestAnimationFrame;\n if (window.requestAnimationFrame) {\n return;\n }\n installFakeAnimationFrameFunctions();\n})();\n\n// Support: Android, iOS\n(function checkCanvasSizeLimitation() {\n if (isIOS || isAndroid) {\n // 5MP\n PDFJS.maxCanvasPixels = 5242880;\n }\n})();\n\n// Disable fullscreen support for certain problematic configurations.\n// Support: IE11+ (when embedded).\n(function checkFullscreenSupport() {\n if (!hasDOM) {\n return;\n }\n if (isIE && window.parent !== window) {\n PDFJS.disableFullscreen = true;\n }\n})();\n\n// Provides document.currentScript support\n// Support: IE, Chrome<29.\n(function checkCurrentScript() {\n if (!hasDOM) {\n return;\n }\n if ('currentScript' in document) {\n return;\n }\n Object.defineProperty(document, 'currentScript', {\n get() {\n var scripts = document.getElementsByTagName('script');\n return scripts[scripts.length - 1];\n },\n enumerable: true,\n configurable: true,\n });\n})();\n\n// Provides `input.type = 'type'` runtime failure protection.\n// Support: IE9,10.\n(function checkInputTypeNumberAssign() {\n if (!hasDOM) {\n return;\n }\n var el = document.createElement('input');\n try {\n el.type = 'number';\n } catch (ex) {\n var inputProto = el.constructor.prototype;\n var typeProperty = Object.getOwnPropertyDescriptor(inputProto, 'type');\n Object.defineProperty(inputProto, 'type', {\n get() {\n return typeProperty.get.call(this);\n },\n set(value) {\n typeProperty.set.call(this, value === 'number' ? 'text' : value);\n },\n enumerable: true,\n configurable: true,\n });\n }\n})();\n\n// Provides correct document.readyState value for legacy browsers.\n// Support: IE9,10.\n(function checkDocumentReadyState() {\n if (!hasDOM) {\n return;\n }\n if (!document.attachEvent) {\n return;\n }\n var documentProto = document.constructor.prototype;\n var readyStateProto = Object.getOwnPropertyDescriptor(documentProto,\n 'readyState');\n Object.defineProperty(documentProto, 'readyState', {\n get() {\n var value = readyStateProto.get.call(this);\n return value === 'interactive' ? 'loading' : value;\n },\n set(value) {\n readyStateProto.set.call(this, value);\n },\n enumerable: true,\n configurable: true,\n });\n})();\n\n// Provides support for ChildNode.remove in legacy browsers.\n// Support: IE.\n(function checkChildNodeRemove() {\n if (!hasDOM) {\n return;\n }\n if (typeof Element.prototype.remove !== 'undefined') {\n return;\n }\n Element.prototype.remove = function () {\n if (this.parentNode) {\n this.parentNode.removeChild(this);\n }\n };\n})();\n\n// Provides support for Number.isNaN in legacy browsers.\n// Support: IE.\n(function checkNumberIsNaN() {\n if (Number.isNaN) {\n return;\n }\n Number.isNaN = function(value) {\n return typeof value === 'number' && isNaN(value);\n };\n})();\n\n// Provides support for Number.isInteger in legacy browsers.\n// Support: IE.\n(function checkNumberIsInteger() {\n if (Number.isInteger) {\n return;\n }\n Number.isInteger = function(value) {\n return typeof value === 'number' && isFinite(value) &&\n Math.floor(value) === value;\n };\n})();\n\n/**\n * Polyfill for Promises:\n * The following promise implementation tries to generally implement the\n * Promise/A+ spec. Some notable differences from other promise libraries are:\n * - There currently isn't a separate deferred and promise object.\n * - Unhandled rejections eventually show an error if they aren't handled.\n *\n * Based off of the work in:\n * https://bugzilla.mozilla.org/show_bug.cgi?id=810490\n */\n(function checkPromise() {\n if (globalScope.Promise) {\n // Promises existing in the DOM/Worker, checking presence of all/resolve\n if (typeof globalScope.Promise.all !== 'function') {\n globalScope.Promise.all = function (iterable) {\n var count = 0, results = [], resolve, reject;\n var promise = new globalScope.Promise(function (resolve_, reject_) {\n resolve = resolve_;\n reject = reject_;\n });\n iterable.forEach(function (p, i) {\n count++;\n p.then(function (result) {\n results[i] = result;\n count--;\n if (count === 0) {\n resolve(results);\n }\n }, reject);\n });\n if (count === 0) {\n resolve(results);\n }\n return promise;\n };\n }\n if (typeof globalScope.Promise.resolve !== 'function') {\n globalScope.Promise.resolve = function (value) {\n return new globalScope.Promise(function (resolve) {\n resolve(value);\n });\n };\n }\n if (typeof globalScope.Promise.reject !== 'function') {\n globalScope.Promise.reject = function (reason) {\n return new globalScope.Promise(function (resolve, reject) {\n reject(reason);\n });\n };\n }\n if (typeof globalScope.Promise.prototype.catch !== 'function') {\n globalScope.Promise.prototype.catch = function (onReject) {\n return globalScope.Promise.prototype.then(undefined, onReject);\n };\n }\n return;\n }\n\n var STATUS_PENDING = 0;\n var STATUS_RESOLVED = 1;\n var STATUS_REJECTED = 2;\n\n // In an attempt to avoid silent exceptions, unhandled rejections are\n // tracked and if they aren't handled in a certain amount of time an\n // error is logged.\n var REJECTION_TIMEOUT = 500;\n\n var HandlerManager = {\n handlers: [],\n running: false,\n unhandledRejections: [],\n pendingRejectionCheck: false,\n\n scheduleHandlers: function scheduleHandlers(promise) {\n if (promise._status === STATUS_PENDING) {\n return;\n }\n\n this.handlers = this.handlers.concat(promise._handlers);\n promise._handlers = [];\n\n if (this.running) {\n return;\n }\n this.running = true;\n\n setTimeout(this.runHandlers.bind(this), 0);\n },\n\n runHandlers: function runHandlers() {\n var RUN_TIMEOUT = 1; // ms\n var timeoutAt = Date.now() + RUN_TIMEOUT;\n while (this.handlers.length > 0) {\n var handler = this.handlers.shift();\n\n var nextStatus = handler.thisPromise._status;\n var nextValue = handler.thisPromise._value;\n\n try {\n if (nextStatus === STATUS_RESOLVED) {\n if (typeof handler.onResolve === 'function') {\n nextValue = handler.onResolve(nextValue);\n }\n } else if (typeof handler.onReject === 'function') {\n nextValue = handler.onReject(nextValue);\n nextStatus = STATUS_RESOLVED;\n\n if (handler.thisPromise._unhandledRejection) {\n this.removeUnhandeledRejection(handler.thisPromise);\n }\n }\n } catch (ex) {\n nextStatus = STATUS_REJECTED;\n nextValue = ex;\n }\n\n handler.nextPromise._updateStatus(nextStatus, nextValue);\n if (Date.now() >= timeoutAt) {\n break;\n }\n }\n\n if (this.handlers.length > 0) {\n setTimeout(this.runHandlers.bind(this), 0);\n return;\n }\n\n this.running = false;\n },\n\n addUnhandledRejection: function addUnhandledRejection(promise) {\n this.unhandledRejections.push({\n promise,\n time: Date.now(),\n });\n this.scheduleRejectionCheck();\n },\n\n removeUnhandeledRejection: function removeUnhandeledRejection(promise) {\n promise._unhandledRejection = false;\n for (var i = 0; i < this.unhandledRejections.length; i++) {\n if (this.unhandledRejections[i].promise === promise) {\n this.unhandledRejections.splice(i);\n i--;\n }\n }\n },\n\n scheduleRejectionCheck: function scheduleRejectionCheck() {\n if (this.pendingRejectionCheck) {\n return;\n }\n this.pendingRejectionCheck = true;\n setTimeout(() => {\n this.pendingRejectionCheck = false;\n var now = Date.now();\n for (var i = 0; i < this.unhandledRejections.length; i++) {\n if (now - this.unhandledRejections[i].time > REJECTION_TIMEOUT) {\n var unhandled = this.unhandledRejections[i].promise._value;\n var msg = 'Unhandled rejection: ' + unhandled;\n if (unhandled.stack) {\n msg += '\\n' + unhandled.stack;\n }\n // Raising and catching the error, so debugger can break on it.\n try {\n throw new Error(msg);\n } catch (_) {\n console.warn(msg);\n }\n this.unhandledRejections.splice(i);\n i--;\n }\n }\n if (this.unhandledRejections.length) {\n this.scheduleRejectionCheck();\n }\n }, REJECTION_TIMEOUT);\n },\n };\n\n var Promise = function Promise(resolver) {\n this._status = STATUS_PENDING;\n this._handlers = [];\n try {\n resolver.call(this, this._resolve.bind(this), this._reject.bind(this));\n } catch (e) {\n this._reject(e);\n }\n };\n\n /**\n * Builds a promise that is resolved when all the passed in promises are\n * resolved.\n * @param {array} promises array of data and/or promises to wait for.\n * @return {Promise} New dependent promise.\n */\n Promise.all = function Promise_all(promises) {\n var resolveAll, rejectAll;\n var deferred = new Promise(function (resolve, reject) {\n resolveAll = resolve;\n rejectAll = reject;\n });\n var unresolved = promises.length;\n var results = [];\n if (unresolved === 0) {\n resolveAll(results);\n return deferred;\n }\n function reject(reason) {\n if (deferred._status === STATUS_REJECTED) {\n return;\n }\n results = [];\n rejectAll(reason);\n }\n for (var i = 0, ii = promises.length; i < ii; ++i) {\n var promise = promises[i];\n var resolve = (function(i) {\n return function(value) {\n if (deferred._status === STATUS_REJECTED) {\n return;\n }\n results[i] = value;\n unresolved--;\n if (unresolved === 0) {\n resolveAll(results);\n }\n };\n })(i);\n if (Promise.isPromise(promise)) {\n promise.then(resolve, reject);\n } else {\n resolve(promise);\n }\n }\n return deferred;\n };\n\n /**\n * Checks if the value is likely a promise (has a 'then' function).\n * @return {boolean} true if value is thenable\n */\n Promise.isPromise = function Promise_isPromise(value) {\n return value && typeof value.then === 'function';\n };\n\n /**\n * Creates resolved promise\n * @param value resolve value\n * @returns {Promise}\n */\n Promise.resolve = function Promise_resolve(value) {\n return new Promise(function (resolve) {\n resolve(value);\n });\n };\n\n /**\n * Creates rejected promise\n * @param reason rejection value\n * @returns {Promise}\n */\n Promise.reject = function Promise_reject(reason) {\n return new Promise(function (resolve, reject) {\n reject(reason);\n });\n };\n\n Promise.prototype = {\n _status: null,\n _value: null,\n _handlers: null,\n _unhandledRejection: null,\n\n _updateStatus: function Promise__updateStatus(status, value) {\n if (this._status === STATUS_RESOLVED ||\n this._status === STATUS_REJECTED) {\n return;\n }\n\n if (status === STATUS_RESOLVED &&\n Promise.isPromise(value)) {\n value.then(this._updateStatus.bind(this, STATUS_RESOLVED),\n this._updateStatus.bind(this, STATUS_REJECTED));\n return;\n }\n\n this._status = status;\n this._value = value;\n\n if (status === STATUS_REJECTED && this._handlers.length === 0) {\n this._unhandledRejection = true;\n HandlerManager.addUnhandledRejection(this);\n }\n\n HandlerManager.scheduleHandlers(this);\n },\n\n _resolve: function Promise_resolve(value) {\n this._updateStatus(STATUS_RESOLVED, value);\n },\n\n _reject: function Promise_reject(reason) {\n this._updateStatus(STATUS_REJECTED, reason);\n },\n\n then: function Promise_then(onResolve, onReject) {\n var nextPromise = new Promise(function (resolve, reject) {\n this.resolve = resolve;\n this.reject = reject;\n });\n this._handlers.push({\n thisPromise: this,\n onResolve,\n onReject,\n nextPromise,\n });\n HandlerManager.scheduleHandlers(this);\n return nextPromise;\n },\n\n catch: function Promise_catch(onReject) {\n return this.then(undefined, onReject);\n },\n };\n\n globalScope.Promise = Promise;\n})();\n\n(function checkWeakMap() {\n if (globalScope.WeakMap) {\n return;\n }\n\n var id = 0;\n function WeakMap() {\n this.id = '$weakmap' + (id++);\n }\n WeakMap.prototype = {\n has(obj) {\n if ((typeof obj !== 'object' && typeof obj !== 'function') ||\n obj === null) {\n return false;\n }\n return !!Object.getOwnPropertyDescriptor(obj, this.id);\n },\n get(obj) {\n return this.has(obj) ? obj[this.id] : undefined;\n },\n set(obj, value) {\n Object.defineProperty(obj, this.id, {\n value,\n enumerable: false,\n configurable: true,\n });\n },\n delete(obj) {\n delete obj[this.id];\n },\n };\n\n globalScope.WeakMap = WeakMap;\n})();\n\n// Polyfill from https://github.com/Polymer/URL\n/* Any copyright is dedicated to the Public Domain.\n * http://creativecommons.org/publicdomain/zero/1.0/ */\n(function checkURLConstructor() {\n // feature detect for URL constructor\n var hasWorkingUrl = false;\n try {\n if (typeof URL === 'function' &&\n typeof URL.prototype === 'object' &&\n ('origin' in URL.prototype)) {\n var u = new URL('b', 'http://a');\n u.pathname = 'c%20d';\n hasWorkingUrl = u.href === 'http://a/c%20d';\n }\n } catch (e) { }\n\n if (hasWorkingUrl) {\n return;\n }\n\n var relative = Object.create(null);\n relative['ftp'] = 21;\n relative['file'] = 0;\n relative['gopher'] = 70;\n relative['http'] = 80;\n relative['https'] = 443;\n relative['ws'] = 80;\n relative['wss'] = 443;\n\n var relativePathDotMapping = Object.create(null);\n relativePathDotMapping['%2e'] = '.';\n relativePathDotMapping['.%2e'] = '..';\n relativePathDotMapping['%2e.'] = '..';\n relativePathDotMapping['%2e%2e'] = '..';\n\n function isRelativeScheme(scheme) {\n return relative[scheme] !== undefined;\n }\n\n function invalid() {\n clear.call(this);\n this._isInvalid = true;\n }\n\n function IDNAToASCII(h) {\n if (h === '') {\n invalid.call(this);\n }\n // XXX\n return h.toLowerCase();\n }\n\n function percentEscape(c) {\n var unicode = c.charCodeAt(0);\n if (unicode > 0x20 &&\n unicode < 0x7F &&\n // \" # < > ? `\n [0x22, 0x23, 0x3C, 0x3E, 0x3F, 0x60].indexOf(unicode) === -1\n ) {\n return c;\n }\n return encodeURIComponent(c);\n }\n\n function percentEscapeQuery(c) {\n // XXX This actually needs to encode c using encoding and then\n // convert the bytes one-by-one.\n\n var unicode = c.charCodeAt(0);\n if (unicode > 0x20 &&\n unicode < 0x7F &&\n // \" # < > ` (do not escape '?')\n [0x22, 0x23, 0x3C, 0x3E, 0x60].indexOf(unicode) === -1\n ) {\n return c;\n }\n return encodeURIComponent(c);\n }\n\n var EOF, ALPHA = /[a-zA-Z]/,\n ALPHANUMERIC = /[a-zA-Z0-9\\+\\-\\.]/;\n\n function parse(input, stateOverride, base) {\n function err(message) {\n errors.push(message);\n }\n\n var state = stateOverride || 'scheme start',\n cursor = 0,\n buffer = '',\n seenAt = false,\n seenBracket = false,\n errors = [];\n\n loop: while ((input[cursor - 1] !== EOF || cursor === 0) &&\n !this._isInvalid) {\n var c = input[cursor];\n switch (state) {\n case 'scheme start':\n if (c && ALPHA.test(c)) {\n buffer += c.toLowerCase(); // ASCII-safe\n state = 'scheme';\n } else if (!stateOverride) {\n buffer = '';\n state = 'no scheme';\n continue;\n } else {\n err('Invalid scheme.');\n break loop;\n }\n break;\n\n case 'scheme':\n if (c && ALPHANUMERIC.test(c)) {\n buffer += c.toLowerCase(); // ASCII-safe\n } else if (c === ':') {\n this._scheme = buffer;\n buffer = '';\n if (stateOverride) {\n break loop;\n }\n if (isRelativeScheme(this._scheme)) {\n this._isRelative = true;\n }\n if (this._scheme === 'file') {\n state = 'relative';\n } else if (this._isRelative && base &&\n base._scheme === this._scheme) {\n state = 'relative or authority';\n } else if (this._isRelative) {\n state = 'authority first slash';\n } else {\n state = 'scheme data';\n }\n } else if (!stateOverride) {\n buffer = '';\n cursor = 0;\n state = 'no scheme';\n continue;\n } else if (c === EOF) {\n break loop;\n } else {\n err('Code point not allowed in scheme: ' + c);\n break loop;\n }\n break;\n\n case 'scheme data':\n if (c === '?') {\n this._query = '?';\n state = 'query';\n } else if (c === '#') {\n this._fragment = '#';\n state = 'fragment';\n } else {\n // XXX error handling\n if (c !== EOF && c !== '\\t' && c !== '\\n' && c !== '\\r') {\n this._schemeData += percentEscape(c);\n }\n }\n break;\n\n case 'no scheme':\n if (!base || !(isRelativeScheme(base._scheme))) {\n err('Missing scheme.');\n invalid.call(this);\n } else {\n state = 'relative';\n continue;\n }\n break;\n\n case 'relative or authority':\n if (c === '/' && input[cursor + 1] === '/') {\n state = 'authority ignore slashes';\n } else {\n err('Expected /, got: ' + c);\n state = 'relative';\n continue;\n }\n break;\n\n case 'relative':\n this._isRelative = true;\n if (this._scheme !== 'file') {\n this._scheme = base._scheme;\n }\n if (c === EOF) {\n this._host = base._host;\n this._port = base._port;\n this._path = base._path.slice();\n this._query = base._query;\n this._username = base._username;\n this._password = base._password;\n break loop;\n } else if (c === '/' || c === '\\\\') {\n if (c === '\\\\') {\n err('\\\\ is an invalid code point.');\n }\n state = 'relative slash';\n } else if (c === '?') {\n this._host = base._host;\n this._port = base._port;\n this._path = base._path.slice();\n this._query = '?';\n this._username = base._username;\n this._password = base._password;\n state = 'query';\n } else if (c === '#') {\n this._host = base._host;\n this._port = base._port;\n this._path = base._path.slice();\n this._query = base._query;\n this._fragment = '#';\n this._username = base._username;\n this._password = base._password;\n state = 'fragment';\n } else {\n var nextC = input[cursor + 1];\n var nextNextC = input[cursor + 2];\n if (this._scheme !== 'file' || !ALPHA.test(c) ||\n (nextC !== ':' && nextC !== '|') ||\n (nextNextC !== EOF && nextNextC !== '/' && nextNextC !== '\\\\' &&\n nextNextC !== '?' && nextNextC !== '#')) {\n this._host = base._host;\n this._port = base._port;\n this._username = base._username;\n this._password = base._password;\n this._path = base._path.slice();\n this._path.pop();\n }\n state = 'relative path';\n continue;\n }\n break;\n\n case 'relative slash':\n if (c === '/' || c === '\\\\') {\n if (c === '\\\\') {\n err('\\\\ is an invalid code point.');\n }\n if (this._scheme === 'file') {\n state = 'file host';\n } else {\n state = 'authority ignore slashes';\n }\n } else {\n if (this._scheme !== 'file') {\n this._host = base._host;\n this._port = base._port;\n this._username = base._username;\n this._password = base._password;\n }\n state = 'relative path';\n continue;\n }\n break;\n\n case 'authority first slash':\n if (c === '/') {\n state = 'authority second slash';\n } else {\n err('Expected \\'/\\', got: ' + c);\n state = 'authority ignore slashes';\n continue;\n }\n break;\n\n case 'authority second slash':\n state = 'authority ignore slashes';\n if (c !== '/') {\n err('Expected \\'/\\', got: ' + c);\n continue;\n }\n break;\n\n case 'authority ignore slashes':\n if (c !== '/' && c !== '\\\\') {\n state = 'authority';\n continue;\n } else {\n err('Expected authority, got: ' + c);\n }\n break;\n\n case 'authority':\n if (c === '@') {\n if (seenAt) {\n err('@ already seen.');\n buffer += '%40';\n }\n seenAt = true;\n for (var i = 0; i < buffer.length; i++) {\n var cp = buffer[i];\n if (cp === '\\t' || cp === '\\n' || cp === '\\r') {\n err('Invalid whitespace in authority.');\n continue;\n }\n // XXX check URL code points\n if (cp === ':' && this._password === null) {\n this._password = '';\n continue;\n }\n var tempC = percentEscape(cp);\n if (this._password !== null) {\n this._password += tempC;\n } else {\n this._username += tempC;\n }\n }\n buffer = '';\n } else if (c === EOF || c === '/' || c === '\\\\' ||\n c === '?' || c === '#') {\n cursor -= buffer.length;\n buffer = '';\n state = 'host';\n continue;\n } else {\n buffer += c;\n }\n break;\n\n case 'file host':\n if (c === EOF || c === '/' || c === '\\\\' || c === '?' || c === '#') {\n if (buffer.length === 2 && ALPHA.test(buffer[0]) &&\n (buffer[1] === ':' || buffer[1] === '|')) {\n state = 'relative path';\n } else if (buffer.length === 0) {\n state = 'relative path start';\n } else {\n this._host = IDNAToASCII.call(this, buffer);\n buffer = '';\n state = 'relative path start';\n }\n continue;\n } else if (c === '\\t' || c === '\\n' || c === '\\r') {\n err('Invalid whitespace in file host.');\n } else {\n buffer += c;\n }\n break;\n\n case 'host':\n case 'hostname':\n if (c === ':' && !seenBracket) {\n // XXX host parsing\n this._host = IDNAToASCII.call(this, buffer);\n buffer = '';\n state = 'port';\n if (stateOverride === 'hostname') {\n break loop;\n }\n } else if (c === EOF || c === '/' ||\n c === '\\\\' || c === '?' || c === '#') {\n this._host = IDNAToASCII.call(this, buffer);\n buffer = '';\n state = 'relative path start';\n if (stateOverride) {\n break loop;\n }\n continue;\n } else if (c !== '\\t' && c !== '\\n' && c !== '\\r') {\n if (c === '[') {\n seenBracket = true;\n } else if (c === ']') {\n seenBracket = false;\n }\n buffer += c;\n } else {\n err('Invalid code point in host/hostname: ' + c);\n }\n break;\n\n case 'port':\n if (/[0-9]/.test(c)) {\n buffer += c;\n } else if (c === EOF || c === '/' || c === '\\\\' ||\n c === '?' || c === '#' || stateOverride) {\n if (buffer !== '') {\n var temp = parseInt(buffer, 10);\n if (temp !== relative[this._scheme]) {\n this._port = temp + '';\n }\n buffer = '';\n }\n if (stateOverride) {\n break loop;\n }\n state = 'relative path start';\n continue;\n } else if (c === '\\t' || c === '\\n' || c === '\\r') {\n err('Invalid code point in port: ' + c);\n } else {\n invalid.call(this);\n }\n break;\n\n case 'relative path start':\n if (c === '\\\\') {\n err('\\'\\\\\\' not allowed in path.');\n }\n state = 'relative path';\n if (c !== '/' && c !== '\\\\') {\n continue;\n }\n break;\n\n case 'relative path':\n if (c === EOF || c === '/' || c === '\\\\' ||\n (!stateOverride && (c === '?' || c === '#'))) {\n if (c === '\\\\') {\n err('\\\\ not allowed in relative path.');\n }\n var tmp;\n if ((tmp = relativePathDotMapping[buffer.toLowerCase()])) {\n buffer = tmp;\n }\n if (buffer === '..') {\n this._path.pop();\n if (c !== '/' && c !== '\\\\') {\n this._path.push('');\n }\n } else if (buffer === '.' && c !== '/' && c !== '\\\\') {\n this._path.push('');\n } else if (buffer !== '.') {\n if (this._scheme === 'file' && this._path.length === 0 &&\n buffer.length === 2 && ALPHA.test(buffer[0]) &&\n buffer[1] === '|') {\n buffer = buffer[0] + ':';\n }\n this._path.push(buffer);\n }\n buffer = '';\n if (c === '?') {\n this._query = '?';\n state = 'query';\n } else if (c === '#') {\n this._fragment = '#';\n state = 'fragment';\n }\n } else if (c !== '\\t' && c !== '\\n' && c !== '\\r') {\n buffer += percentEscape(c);\n }\n break;\n\n case 'query':\n if (!stateOverride && c === '#') {\n this._fragment = '#';\n state = 'fragment';\n } else if (c !== EOF && c !== '\\t' && c !== '\\n' && c !== '\\r') {\n this._query += percentEscapeQuery(c);\n }\n break;\n\n case 'fragment':\n if (c !== EOF && c !== '\\t' && c !== '\\n' && c !== '\\r') {\n this._fragment += c;\n }\n break;\n }\n\n cursor++;\n }\n }\n\n function clear() {\n this._scheme = '';\n this._schemeData = '';\n this._username = '';\n this._password = null;\n this._host = '';\n this._port = '';\n this._path = [];\n this._query = '';\n this._fragment = '';\n this._isInvalid = false;\n this._isRelative = false;\n }\n\n // Does not process domain names or IP addresses.\n // Does not handle encoding for the query parameter.\n function JURL(url, base /* , encoding */) {\n if (base !== undefined && !(base instanceof JURL)) {\n base = new JURL(String(base));\n }\n\n this._url = url;\n clear.call(this);\n\n var input = url.replace(/^[ \\t\\r\\n\\f]+|[ \\t\\r\\n\\f]+$/g, '');\n // encoding = encoding || 'utf-8'\n\n parse.call(this, input, null, base);\n }\n\n JURL.prototype = {\n toString() {\n return this.href;\n },\n get href() {\n if (this._isInvalid) {\n return this._url;\n }\n var authority = '';\n if (this._username !== '' || this._password !== null) {\n authority = this._username +\n (this._password !== null ? ':' + this._password : '') + '@';\n }\n\n return this.protocol +\n (this._isRelative ? '//' + authority + this.host : '') +\n this.pathname + this._query + this._fragment;\n },\n // The named parameter should be different from the setter's function name.\n // Otherwise Safari 5 will throw an error (see issue 8541)\n set href(value) {\n clear.call(this);\n parse.call(this, value);\n },\n\n get protocol() {\n return this._scheme + ':';\n },\n set protocol(value) {\n if (this._isInvalid) {\n return;\n }\n parse.call(this, value + ':', 'scheme start');\n },\n\n get host() {\n return this._isInvalid ? '' : this._port ?\n this._host + ':' + this._port : this._host;\n },\n set host(value) {\n if (this._isInvalid || !this._isRelative) {\n return;\n }\n parse.call(this, value, 'host');\n },\n\n get hostname() {\n return this._host;\n },\n set hostname(value) {\n if (this._isInvalid || !this._isRelative) {\n return;\n }\n parse.call(this, value, 'hostname');\n },\n\n get port() {\n return this._port;\n },\n set port(value) {\n if (this._isInvalid || !this._isRelative) {\n return;\n }\n parse.call(this, value, 'port');\n },\n\n get pathname() {\n return this._isInvalid ? '' : this._isRelative ?\n '/' + this._path.join('/') : this._schemeData;\n },\n set pathname(value) {\n if (this._isInvalid || !this._isRelative) {\n return;\n }\n this._path = [];\n parse.call(this, value, 'relative path start');\n },\n\n get search() {\n return this._isInvalid || !this._query || this._query === '?' ?\n '' : this._query;\n },\n set search(value) {\n if (this._isInvalid || !this._isRelative) {\n return;\n }\n this._query = '?';\n if (value[0] === '?') {\n value = value.slice(1);\n }\n parse.call(this, value, 'query');\n },\n\n get hash() {\n return this._isInvalid || !this._fragment || this._fragment === '#' ?\n '' : this._fragment;\n },\n set hash(value) {\n if (this._isInvalid) {\n return;\n }\n this._fragment = '#';\n if (value[0] === '#') {\n value = value.slice(1);\n }\n parse.call(this, value, 'fragment');\n },\n\n get origin() {\n var host;\n if (this._isInvalid || !this._scheme) {\n return '';\n }\n // javascript: Gecko returns String(\"\"), WebKit/Blink String(\"null\")\n // Gecko throws error for \"data://\"\n // data: Gecko returns \"\", Blink returns \"data://\", WebKit returns \"null\"\n // Gecko returns String(\"\") for file: mailto:\n // WebKit/Blink returns String(\"SCHEME://\") for file: mailto:\n switch (this._scheme) {\n case 'data':\n case 'file':\n case 'javascript':\n case 'mailto':\n return 'null';\n case 'blob':\n // Special case of blob: -- returns valid origin of _schemeData.\n try {\n return new JURL(this._schemeData).origin || 'null';\n } catch (_) {\n // Invalid _schemeData origin -- ignoring errors.\n }\n return 'null';\n }\n host = this.host;\n if (!host) {\n return '';\n }\n return this._scheme + '://' + host;\n },\n };\n\n // Copy over the static methods\n var OriginalURL = globalScope.URL;\n if (OriginalURL) {\n JURL.createObjectURL = function(blob) {\n // IE extension allows a second optional options argument.\n // http://msdn.microsoft.com/en-us/library/ie/hh772302(v=vs.85).aspx\n return OriginalURL.createObjectURL.apply(OriginalURL, arguments);\n };\n JURL.revokeObjectURL = function(url) {\n OriginalURL.revokeObjectURL(url);\n };\n }\n\n globalScope.URL = JURL;\n})();\n\n}\n\n\n\n// WEBPACK FOOTER //\n// src/shared/compatibility.js","/* Copyright 2017 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nlet isReadableStreamSupported = false;\nif (typeof ReadableStream !== 'undefined') {\n // MS Edge may say it has ReadableStream but 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permissions and\n * limitations under the License.\n */\n/* eslint-disable no-unused-vars, no-restricted-globals */\n\n'use strict';\n\nvar pdfjsVersion =\n typeof PDFJSDev !== 'undefined' ? 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pdfjsSharedUtil.createObjectURL;\nexports.removeNullCharacters = pdfjsSharedUtil.removeNullCharacters;\nexports.shadow = pdfjsSharedUtil.shadow;\nexports.Util = pdfjsSharedUtil.Util;\nexports.ReadableStream = pdfjsSharedUtil.ReadableStream;\nexports.URL = pdfjsSharedUtil.URL;\nexports.RenderingCancelledException =\n pdfjsDisplayDOMUtils.RenderingCancelledException;\nexports.getFilenameFromUrl = pdfjsDisplayDOMUtils.getFilenameFromUrl;\nexports.LinkTarget = pdfjsDisplayDOMUtils.LinkTarget;\nexports.addLinkAttributes = pdfjsDisplayDOMUtils.addLinkAttributes;\nexports.loadScript = pdfjsDisplayDOMUtils.loadScript;\nexports.GlobalWorkerOptions = pdfjsDisplayWorkerOptions.GlobalWorkerOptions;\nexports.apiCompatibilityParams =\n pdfjsDisplayAPICompatibility.apiCompatibilityParams;\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport './compatibility';\nimport { ReadableStream } from './streams_polyfill';\nimport { URL } from './url_polyfill';\n\nconst IDENTITY_MATRIX = [1, 0, 0, 1, 0, 0];\nconst FONT_IDENTITY_MATRIX = [0.001, 0, 0, 0.001, 0, 0];\n\nconst NativeImageDecoding = {\n NONE: 'none',\n DECODE: 'decode',\n DISPLAY: 'display',\n};\n\n// Permission flags from Table 22, Section 7.6.3.2 of the PDF specification.\nconst PermissionFlag = {\n PRINT: 0x04,\n MODIFY_CONTENTS: 0x08,\n COPY: 0x10,\n MODIFY_ANNOTATIONS: 0x20,\n FILL_INTERACTIVE_FORMS: 0x100,\n COPY_FOR_ACCESSIBILITY: 0x200,\n ASSEMBLE: 0x400,\n PRINT_HIGH_QUALITY: 0x800,\n};\n\nconst TextRenderingMode = {\n FILL: 0,\n STROKE: 1,\n FILL_STROKE: 2,\n INVISIBLE: 3,\n FILL_ADD_TO_PATH: 4,\n STROKE_ADD_TO_PATH: 5,\n FILL_STROKE_ADD_TO_PATH: 6,\n ADD_TO_PATH: 7,\n FILL_STROKE_MASK: 3,\n ADD_TO_PATH_FLAG: 4,\n};\n\nconst ImageKind = {\n GRAYSCALE_1BPP: 1,\n RGB_24BPP: 2,\n RGBA_32BPP: 3,\n};\n\nconst AnnotationType = {\n TEXT: 1,\n LINK: 2,\n FREETEXT: 3,\n LINE: 4,\n SQUARE: 5,\n CIRCLE: 6,\n POLYGON: 7,\n POLYLINE: 8,\n HIGHLIGHT: 9,\n UNDERLINE: 10,\n SQUIGGLY: 11,\n STRIKEOUT: 12,\n STAMP: 13,\n CARET: 14,\n INK: 15,\n POPUP: 16,\n FILEATTACHMENT: 17,\n SOUND: 18,\n MOVIE: 19,\n WIDGET: 20,\n SCREEN: 21,\n PRINTERMARK: 22,\n TRAPNET: 23,\n WATERMARK: 24,\n THREED: 25,\n REDACT: 26,\n};\n\nconst AnnotationFlag = {\n INVISIBLE: 0x01,\n HIDDEN: 0x02,\n PRINT: 0x04,\n NOZOOM: 0x08,\n NOROTATE: 0x10,\n NOVIEW: 0x20,\n READONLY: 0x40,\n LOCKED: 0x80,\n TOGGLENOVIEW: 0x100,\n LOCKEDCONTENTS: 0x200,\n};\n\nconst AnnotationFieldFlag = {\n READONLY: 0x0000001,\n REQUIRED: 0x0000002,\n NOEXPORT: 0x0000004,\n MULTILINE: 0x0001000,\n PASSWORD: 0x0002000,\n NOTOGGLETOOFF: 0x0004000,\n RADIO: 0x0008000,\n PUSHBUTTON: 0x0010000,\n COMBO: 0x0020000,\n EDIT: 0x0040000,\n SORT: 0x0080000,\n FILESELECT: 0x0100000,\n MULTISELECT: 0x0200000,\n DONOTSPELLCHECK: 0x0400000,\n DONOTSCROLL: 0x0800000,\n COMB: 0x1000000,\n RICHTEXT: 0x2000000,\n RADIOSINUNISON: 0x2000000,\n COMMITONSELCHANGE: 0x4000000,\n};\n\nconst AnnotationBorderStyleType = {\n SOLID: 1,\n DASHED: 2,\n BEVELED: 3,\n INSET: 4,\n UNDERLINE: 5,\n};\n\nconst StreamType = {\n UNKNOWN: 0,\n FLATE: 1,\n LZW: 2,\n DCT: 3,\n JPX: 4,\n JBIG: 5,\n A85: 6,\n AHX: 7,\n CCF: 8,\n RL: 9,\n};\n\nconst FontType = {\n UNKNOWN: 0,\n TYPE1: 1,\n TYPE1C: 2,\n CIDFONTTYPE0: 3,\n CIDFONTTYPE0C: 4,\n TRUETYPE: 5,\n CIDFONTTYPE2: 6,\n TYPE3: 7,\n OPENTYPE: 8,\n TYPE0: 9,\n MMTYPE1: 10,\n};\n\nconst VerbosityLevel = {\n ERRORS: 0,\n WARNINGS: 1,\n INFOS: 5,\n};\n\nconst CMapCompressionType = {\n NONE: 0,\n BINARY: 1,\n STREAM: 2,\n};\n\n// All the possible operations for an operator list.\nconst OPS = {\n // Intentionally start from 1 so it is easy to spot bad operators that will be\n // 0's.\n dependency: 1,\n setLineWidth: 2,\n setLineCap: 3,\n setLineJoin: 4,\n setMiterLimit: 5,\n setDash: 6,\n setRenderingIntent: 7,\n setFlatness: 8,\n setGState: 9,\n save: 10,\n restore: 11,\n transform: 12,\n moveTo: 13,\n lineTo: 14,\n curveTo: 15,\n curveTo2: 16,\n curveTo3: 17,\n closePath: 18,\n rectangle: 19,\n stroke: 20,\n closeStroke: 21,\n fill: 22,\n eoFill: 23,\n fillStroke: 24,\n eoFillStroke: 25,\n closeFillStroke: 26,\n closeEOFillStroke: 27,\n endPath: 28,\n clip: 29,\n eoClip: 30,\n beginText: 31,\n endText: 32,\n setCharSpacing: 33,\n setWordSpacing: 34,\n setHScale: 35,\n setLeading: 36,\n setFont: 37,\n setTextRenderingMode: 38,\n setTextRise: 39,\n moveText: 40,\n setLeadingMoveText: 41,\n setTextMatrix: 42,\n nextLine: 43,\n showText: 44,\n showSpacedText: 45,\n nextLineShowText: 46,\n nextLineSetSpacingShowText: 47,\n setCharWidth: 48,\n setCharWidthAndBounds: 49,\n setStrokeColorSpace: 50,\n setFillColorSpace: 51,\n setStrokeColor: 52,\n setStrokeColorN: 53,\n setFillColor: 54,\n setFillColorN: 55,\n setStrokeGray: 56,\n setFillGray: 57,\n setStrokeRGBColor: 58,\n setFillRGBColor: 59,\n setStrokeCMYKColor: 60,\n setFillCMYKColor: 61,\n shadingFill: 62,\n beginInlineImage: 63,\n beginImageData: 64,\n endInlineImage: 65,\n paintXObject: 66,\n markPoint: 67,\n markPointProps: 68,\n beginMarkedContent: 69,\n beginMarkedContentProps: 70,\n endMarkedContent: 71,\n beginCompat: 72,\n endCompat: 73,\n paintFormXObjectBegin: 74,\n paintFormXObjectEnd: 75,\n beginGroup: 76,\n endGroup: 77,\n beginAnnotations: 78,\n endAnnotations: 79,\n beginAnnotation: 80,\n endAnnotation: 81,\n paintJpegXObject: 82,\n paintImageMaskXObject: 83,\n paintImageMaskXObjectGroup: 84,\n paintImageXObject: 85,\n paintInlineImageXObject: 86,\n paintInlineImageXObjectGroup: 87,\n paintImageXObjectRepeat: 88,\n paintImageMaskXObjectRepeat: 89,\n paintSolidColorImageMask: 90,\n constructPath: 91,\n};\n\nconst UNSUPPORTED_FEATURES = {\n unknown: 'unknown',\n forms: 'forms',\n javaScript: 'javaScript',\n smask: 'smask',\n shadingPattern: 'shadingPattern',\n font: 'font',\n};\n\nconst PasswordResponses = {\n NEED_PASSWORD: 1,\n INCORRECT_PASSWORD: 2,\n};\n\nlet verbosity = VerbosityLevel.WARNINGS;\n\nfunction setVerbosityLevel(level) {\n if (Number.isInteger(level)) {\n verbosity = level;\n }\n}\n\nfunction getVerbosityLevel() {\n return verbosity;\n}\n\n// A notice for devs. These are good for things that are helpful to devs, such\n// as warning that Workers were disabled, which is important to devs but not\n// end users.\nfunction info(msg) {\n if (verbosity >= VerbosityLevel.INFOS) {\n console.log('Info: ' + msg);\n }\n}\n\n// Non-fatal warnings.\nfunction warn(msg) {\n if (verbosity >= VerbosityLevel.WARNINGS) {\n console.log('Warning: ' + msg);\n }\n}\n\n// Deprecated API function -- display regardless of the `verbosity` setting.\nfunction deprecated(details) {\n console.log('Deprecated API usage: ' + details);\n}\n\nfunction unreachable(msg) {\n throw new Error(msg);\n}\n\nfunction assert(cond, msg) {\n if (!cond) {\n unreachable(msg);\n }\n}\n\n// Checks if URLs have the same origin. For non-HTTP based URLs, returns false.\nfunction isSameOrigin(baseUrl, otherUrl) {\n try {\n var base = new URL(baseUrl);\n if (!base.origin || base.origin === 'null') {\n return false; // non-HTTP url\n }\n } catch (e) {\n return false;\n }\n\n var other = new URL(otherUrl, base);\n return base.origin === other.origin;\n}\n\n// Checks if URLs use one of the whitelisted protocols, e.g. to avoid XSS.\nfunction _isValidProtocol(url) {\n if (!url) {\n return false;\n }\n switch (url.protocol) {\n case 'http:':\n case 'https:':\n case 'ftp:':\n case 'mailto:':\n case 'tel:':\n return true;\n default:\n return false;\n }\n}\n\n/**\n * Attempts to create a valid absolute URL.\n *\n * @param {URL|string} url - An absolute, or relative, URL.\n * @param {URL|string} baseUrl - An absolute URL.\n * @returns Either a valid {URL}, or `null` otherwise.\n */\nfunction createValidAbsoluteUrl(url, baseUrl) {\n if (!url) {\n return null;\n }\n try {\n var absoluteUrl = baseUrl ? new URL(url, baseUrl) : new URL(url);\n if (_isValidProtocol(absoluteUrl)) {\n return absoluteUrl;\n }\n } catch (ex) { /* `new URL()` will throw on incorrect data. */ }\n return null;\n}\n\nfunction shadow(obj, prop, value) {\n Object.defineProperty(obj, prop, { value,\n enumerable: true,\n configurable: true,\n writable: false, });\n return value;\n}\n\nfunction getLookupTableFactory(initializer) {\n var lookup;\n return function () {\n if (initializer) {\n lookup = Object.create(null);\n initializer(lookup);\n initializer = null;\n }\n return lookup;\n };\n}\n\nvar PasswordException = (function PasswordExceptionClosure() {\n function PasswordException(msg, code) {\n this.name = 'PasswordException';\n this.message = msg;\n this.code = code;\n }\n\n PasswordException.prototype = new Error();\n PasswordException.constructor = PasswordException;\n\n return PasswordException;\n})();\n\nvar UnknownErrorException = (function UnknownErrorExceptionClosure() {\n function UnknownErrorException(msg, details) {\n this.name = 'UnknownErrorException';\n this.message = msg;\n this.details = details;\n }\n\n UnknownErrorException.prototype = new Error();\n UnknownErrorException.constructor = UnknownErrorException;\n\n return UnknownErrorException;\n})();\n\nvar InvalidPDFException = (function InvalidPDFExceptionClosure() {\n function InvalidPDFException(msg) {\n this.name = 'InvalidPDFException';\n this.message = msg;\n }\n\n InvalidPDFException.prototype = new Error();\n InvalidPDFException.constructor = InvalidPDFException;\n\n return InvalidPDFException;\n})();\n\nvar MissingPDFException = (function MissingPDFExceptionClosure() {\n function MissingPDFException(msg) {\n this.name = 'MissingPDFException';\n this.message = msg;\n }\n\n MissingPDFException.prototype = new Error();\n MissingPDFException.constructor = MissingPDFException;\n\n return MissingPDFException;\n})();\n\nvar UnexpectedResponseException =\n (function UnexpectedResponseExceptionClosure() {\n function UnexpectedResponseException(msg, status) {\n this.name = 'UnexpectedResponseException';\n this.message = msg;\n this.status = status;\n }\n\n UnexpectedResponseException.prototype = new Error();\n UnexpectedResponseException.constructor = UnexpectedResponseException;\n\n return UnexpectedResponseException;\n})();\n\nvar MissingDataException = (function MissingDataExceptionClosure() {\n function MissingDataException(begin, end) {\n this.begin = begin;\n this.end = end;\n this.message = 'Missing data [' + begin + ', ' + end + ')';\n }\n\n MissingDataException.prototype = new Error();\n MissingDataException.prototype.name = 'MissingDataException';\n MissingDataException.constructor = MissingDataException;\n\n return MissingDataException;\n})();\n\nvar XRefParseException = (function XRefParseExceptionClosure() {\n function XRefParseException(msg) {\n this.message = msg;\n }\n\n XRefParseException.prototype = new Error();\n XRefParseException.prototype.name = 'XRefParseException';\n XRefParseException.constructor = XRefParseException;\n\n return XRefParseException;\n})();\n\n/**\n * Error caused during parsing PDF data.\n */\nlet FormatError = (function FormatErrorClosure() {\n function FormatError(msg) {\n this.message = msg;\n }\n\n FormatError.prototype = new Error();\n FormatError.prototype.name = 'FormatError';\n FormatError.constructor = FormatError;\n\n return FormatError;\n})();\n\n/**\n * Error used to indicate task cancellation.\n */\nlet AbortException = (function AbortExceptionClosure() {\n function AbortException(msg) {\n this.name = 'AbortException';\n this.message = msg;\n }\n\n AbortException.prototype = new Error();\n AbortException.constructor = AbortException;\n\n return AbortException;\n})();\n\nvar NullCharactersRegExp = /\\x00/g;\n\nfunction removeNullCharacters(str) {\n if (typeof str !== 'string') {\n warn('The argument for removeNullCharacters must be a string.');\n return str;\n }\n return str.replace(NullCharactersRegExp, '');\n}\n\nfunction bytesToString(bytes) {\n assert(bytes !== null && typeof bytes === 'object' &&\n bytes.length !== undefined, 'Invalid argument for bytesToString');\n var length = bytes.length;\n var MAX_ARGUMENT_COUNT = 8192;\n if (length < MAX_ARGUMENT_COUNT) {\n return String.fromCharCode.apply(null, bytes);\n }\n var strBuf = [];\n for (var i = 0; i < length; i += MAX_ARGUMENT_COUNT) {\n var chunkEnd = Math.min(i + MAX_ARGUMENT_COUNT, length);\n var chunk = bytes.subarray(i, chunkEnd);\n strBuf.push(String.fromCharCode.apply(null, chunk));\n }\n return strBuf.join('');\n}\n\nfunction stringToBytes(str) {\n assert(typeof str === 'string', 'Invalid argument for stringToBytes');\n var length = str.length;\n var bytes = new Uint8Array(length);\n for (var i = 0; i < length; ++i) {\n bytes[i] = str.charCodeAt(i) & 0xFF;\n }\n return bytes;\n}\n\n/**\n * Gets length of the array (Array, Uint8Array, or string) in bytes.\n * @param {Array|Uint8Array|string} arr\n * @returns {number}\n */\nfunction arrayByteLength(arr) {\n if (arr.length !== undefined) {\n return arr.length;\n }\n assert(arr.byteLength !== undefined);\n return arr.byteLength;\n}\n\n/**\n * Combines array items (arrays) into single Uint8Array object.\n * @param {Array} arr - the array of the arrays (Array, Uint8Array, or string).\n * @returns {Uint8Array}\n */\nfunction arraysToBytes(arr) {\n // Shortcut: if first and only item is Uint8Array, return it.\n if (arr.length === 1 && (arr[0] instanceof Uint8Array)) {\n return arr[0];\n }\n var resultLength = 0;\n var i, ii = arr.length;\n var item, itemLength;\n for (i = 0; i < ii; i++) {\n item = arr[i];\n itemLength = arrayByteLength(item);\n resultLength += itemLength;\n }\n var pos = 0;\n var data = new Uint8Array(resultLength);\n for (i = 0; i < ii; i++) {\n item = arr[i];\n if (!(item instanceof Uint8Array)) {\n if (typeof item === 'string') {\n item = stringToBytes(item);\n } else {\n item = new Uint8Array(item);\n }\n }\n itemLength = item.byteLength;\n data.set(item, pos);\n pos += itemLength;\n }\n return data;\n}\n\nfunction string32(value) {\n return String.fromCharCode((value >> 24) & 0xff, (value >> 16) & 0xff,\n (value >> 8) & 0xff, value & 0xff);\n}\n\n// Calculate the base 2 logarithm of the number `x`. This differs from the\n// native function in the sense that it returns the ceiling value and that it\n// returns 0 instead of `Infinity`/`NaN` for `x` values smaller than/equal to 0.\nfunction log2(x) {\n if (x <= 0) {\n return 0;\n }\n return Math.ceil(Math.log2(x));\n}\n\nfunction readInt8(data, start) {\n return (data[start] << 24) >> 24;\n}\n\nfunction readUint16(data, offset) {\n return (data[offset] << 8) | data[offset + 1];\n}\n\nfunction readUint32(data, offset) {\n return ((data[offset] << 24) | (data[offset + 1] << 16) |\n (data[offset + 2] << 8) | data[offset + 3]) >>> 0;\n}\n\n// Lazy test the endianness of the platform\n// NOTE: This will be 'true' for simulated TypedArrays\nfunction isLittleEndian() {\n var buffer8 = new Uint8Array(4);\n buffer8[0] = 1;\n var view32 = new Uint32Array(buffer8.buffer, 0, 1);\n return (view32[0] === 1);\n}\n\n// Checks if it's possible to eval JS expressions.\nfunction isEvalSupported() {\n try {\n new Function(''); // eslint-disable-line no-new, no-new-func\n return true;\n } catch (e) {\n return false;\n }\n}\n\n/**\n * Get the value of an inheritable property.\n *\n * If the PDF specification explicitly lists a property in a dictionary as\n * inheritable, then the value of the property may be present in the dictionary\n * itself or in one or more parents of the dictionary.\n *\n * If the key is not found in the tree, `undefined` is returned. Otherwise,\n * the value for the key is returned or, if `stopWhenFound` is `false`, a list\n * of values is returned. To avoid infinite loops, the traversal is stopped when\n * the loop limit is reached.\n *\n * @param {Dict} dict - Dictionary from where to start the traversal.\n * @param {string} key - The key of the property to find the value for.\n * @param {boolean} getArray - Whether or not the value should be fetched as an\n * array. The default value is `false`.\n * @param {boolean} stopWhenFound - Whether or not to stop the traversal when\n * the key is found. If set to `false`, we always walk up the entire parent\n * chain, for example to be able to find `\\Resources` placed on multiple\n * levels of the tree. The default value is `true`.\n */\nfunction getInheritableProperty({ dict, key, getArray = false,\n stopWhenFound = true, }) {\n const LOOP_LIMIT = 100;\n let loopCount = 0;\n let values;\n\n while (dict) {\n const value = getArray ? dict.getArray(key) : dict.get(key);\n if (value !== undefined) {\n if (stopWhenFound) {\n return value;\n }\n if (!values) {\n values = [];\n }\n values.push(value);\n }\n if (++loopCount > LOOP_LIMIT) {\n warn(`getInheritableProperty: maximum loop count exceeded for \"${key}\"`);\n break;\n }\n dict = dict.get('Parent');\n }\n return values;\n}\n\nvar Util = (function UtilClosure() {\n function Util() {}\n\n var rgbBuf = ['rgb(', 0, ',', 0, ',', 0, ')'];\n\n // makeCssRgb() can be called thousands of times. Using |rgbBuf| avoids\n // creating many intermediate strings.\n Util.makeCssRgb = function Util_makeCssRgb(r, g, b) {\n rgbBuf[1] = r;\n rgbBuf[3] = g;\n rgbBuf[5] = b;\n return rgbBuf.join('');\n };\n\n // Concatenates two transformation matrices together and returns the result.\n Util.transform = function Util_transform(m1, m2) {\n return [\n m1[0] * m2[0] + m1[2] * m2[1],\n m1[1] * m2[0] + m1[3] * m2[1],\n m1[0] * m2[2] + m1[2] * m2[3],\n m1[1] * m2[2] + m1[3] * m2[3],\n m1[0] * m2[4] + m1[2] * m2[5] + m1[4],\n m1[1] * m2[4] + m1[3] * m2[5] + m1[5]\n ];\n };\n\n // For 2d affine transforms\n Util.applyTransform = function Util_applyTransform(p, m) {\n var xt = p[0] * m[0] + p[1] * m[2] + m[4];\n var yt = p[0] * m[1] + p[1] * m[3] + m[5];\n return [xt, yt];\n };\n\n Util.applyInverseTransform = function Util_applyInverseTransform(p, m) {\n var d = m[0] * m[3] - m[1] * m[2];\n var xt = (p[0] * m[3] - p[1] * m[2] + m[2] * m[5] - m[4] * m[3]) / d;\n var yt = (-p[0] * m[1] + p[1] * m[0] + m[4] * m[1] - m[5] * m[0]) / d;\n return [xt, yt];\n };\n\n // Applies the transform to the rectangle and finds the minimum axially\n // aligned bounding box.\n Util.getAxialAlignedBoundingBox =\n function Util_getAxialAlignedBoundingBox(r, m) {\n\n var p1 = Util.applyTransform(r, m);\n var p2 = Util.applyTransform(r.slice(2, 4), m);\n var p3 = Util.applyTransform([r[0], r[3]], m);\n var p4 = Util.applyTransform([r[2], r[1]], m);\n return [\n Math.min(p1[0], p2[0], p3[0], p4[0]),\n Math.min(p1[1], p2[1], p3[1], p4[1]),\n Math.max(p1[0], p2[0], p3[0], p4[0]),\n Math.max(p1[1], p2[1], p3[1], p4[1])\n ];\n };\n\n Util.inverseTransform = function Util_inverseTransform(m) {\n var d = m[0] * m[3] - m[1] * m[2];\n return [m[3] / d, -m[1] / d, -m[2] / d, m[0] / d,\n (m[2] * m[5] - m[4] * m[3]) / d, (m[4] * m[1] - m[5] * m[0]) / d];\n };\n\n // Apply a generic 3d matrix M on a 3-vector v:\n // | a b c | | X |\n // | d e f | x | Y |\n // | g h i | | Z |\n // M is assumed to be serialized as [a,b,c,d,e,f,g,h,i],\n // with v as [X,Y,Z]\n Util.apply3dTransform = function Util_apply3dTransform(m, v) {\n return [\n m[0] * v[0] + m[1] * v[1] + m[2] * v[2],\n m[3] * v[0] + m[4] * v[1] + m[5] * v[2],\n m[6] * v[0] + m[7] * v[1] + m[8] * v[2]\n ];\n };\n\n // This calculation uses Singular Value Decomposition.\n // The SVD can be represented with formula A = USV. We are interested in the\n // matrix S here because it represents the scale values.\n Util.singularValueDecompose2dScale =\n function Util_singularValueDecompose2dScale(m) {\n\n var transpose = [m[0], m[2], m[1], m[3]];\n\n // Multiply matrix m with its transpose.\n var a = m[0] * transpose[0] + m[1] * transpose[2];\n var b = m[0] * transpose[1] + m[1] * transpose[3];\n var c = m[2] * transpose[0] + m[3] * transpose[2];\n var d = m[2] * transpose[1] + m[3] * transpose[3];\n\n // Solve the second degree polynomial to get roots.\n var first = (a + d) / 2;\n var second = Math.sqrt((a + d) * (a + d) - 4 * (a * d - c * b)) / 2;\n var sx = first + second || 1;\n var sy = first - second || 1;\n\n // Scale values are the square roots of the eigenvalues.\n return [Math.sqrt(sx), Math.sqrt(sy)];\n };\n\n // Normalize rectangle rect=[x1, y1, x2, y2] so that (x1,y1) < (x2,y2)\n // For coordinate systems whose origin lies in the bottom-left, this\n // means normalization to (BL,TR) ordering. For systems with origin in the\n // top-left, this means (TL,BR) ordering.\n Util.normalizeRect = function Util_normalizeRect(rect) {\n var r = rect.slice(0); // clone rect\n if (rect[0] > rect[2]) {\n r[0] = rect[2];\n r[2] = rect[0];\n }\n if (rect[1] > rect[3]) {\n r[1] = rect[3];\n r[3] = rect[1];\n }\n return r;\n };\n\n // Returns a rectangle [x1, y1, x2, y2] corresponding to the\n // intersection of rect1 and rect2. If no intersection, returns 'false'\n // The rectangle coordinates of rect1, rect2 should be [x1, y1, x2, y2]\n Util.intersect = function Util_intersect(rect1, rect2) {\n function compare(a, b) {\n return a - b;\n }\n\n // Order points along the axes\n var orderedX = [rect1[0], rect1[2], rect2[0], rect2[2]].sort(compare),\n orderedY = [rect1[1], rect1[3], rect2[1], rect2[3]].sort(compare),\n result = [];\n\n rect1 = Util.normalizeRect(rect1);\n rect2 = Util.normalizeRect(rect2);\n\n // X: first and second points belong to different rectangles?\n if ((orderedX[0] === rect1[0] && orderedX[1] === rect2[0]) ||\n (orderedX[0] === rect2[0] && orderedX[1] === rect1[0])) {\n // Intersection must be between second and third points\n result[0] = orderedX[1];\n result[2] = orderedX[2];\n } else {\n return false;\n }\n\n // Y: first and second points belong to different rectangles?\n if ((orderedY[0] === rect1[1] && orderedY[1] === rect2[1]) ||\n (orderedY[0] === rect2[1] && orderedY[1] === rect1[1])) {\n // Intersection must be between second and third points\n result[1] = orderedY[1];\n result[3] = orderedY[2];\n } else {\n return false;\n }\n\n return result;\n };\n\n return Util;\n})();\n\nconst ROMAN_NUMBER_MAP = [\n '', 'C', 'CC', 'CCC', 'CD', 'D', 'DC', 'DCC', 'DCCC', 'CM',\n '', 'X', 'XX', 'XXX', 'XL', 'L', 'LX', 'LXX', 'LXXX', 'XC',\n '', 'I', 'II', 'III', 'IV', 'V', 'VI', 'VII', 'VIII', 'IX'\n];\n\n/**\n * Converts positive integers to (upper case) Roman numerals.\n * @param {integer} number - The number that should be converted.\n * @param {boolean} lowerCase - Indicates if the result should be converted\n * to lower case letters. The default value is `false`.\n * @return {string} The resulting Roman number.\n */\nfunction toRomanNumerals(number, lowerCase = false) {\n assert(Number.isInteger(number) && number > 0,\n 'The number should be a positive integer.');\n let pos, romanBuf = [];\n // Thousands\n while (number >= 1000) {\n number -= 1000;\n romanBuf.push('M');\n }\n // Hundreds\n pos = (number / 100) | 0;\n number %= 100;\n romanBuf.push(ROMAN_NUMBER_MAP[pos]);\n // Tens\n pos = (number / 10) | 0;\n number %= 10;\n romanBuf.push(ROMAN_NUMBER_MAP[10 + pos]);\n // Ones\n romanBuf.push(ROMAN_NUMBER_MAP[20 + number]);\n\n const romanStr = romanBuf.join('');\n return (lowerCase ? romanStr.toLowerCase() : romanStr);\n}\n\nconst PDFStringTranslateTable = [\n 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,\n 0x2D8, 0x2C7, 0x2C6, 0x2D9, 0x2DD, 0x2DB, 0x2DA, 0x2DC, 0, 0, 0, 0, 0, 0, 0,\n 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,\n 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,\n 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,\n 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x2022, 0x2020, 0x2021, 0x2026, 0x2014,\n 0x2013, 0x192, 0x2044, 0x2039, 0x203A, 0x2212, 0x2030, 0x201E, 0x201C,\n 0x201D, 0x2018, 0x2019, 0x201A, 0x2122, 0xFB01, 0xFB02, 0x141, 0x152, 0x160,\n 0x178, 0x17D, 0x131, 0x142, 0x153, 0x161, 0x17E, 0, 0x20AC\n];\n\nfunction stringToPDFString(str) {\n var i, n = str.length, strBuf = [];\n if (str[0] === '\\xFE' && str[1] === '\\xFF') {\n // UTF16BE BOM\n for (i = 2; i < n; i += 2) {\n strBuf.push(String.fromCharCode(\n (str.charCodeAt(i) << 8) | str.charCodeAt(i + 1)));\n }\n } else {\n for (i = 0; i < n; ++i) {\n var code = PDFStringTranslateTable[str.charCodeAt(i)];\n strBuf.push(code ? String.fromCharCode(code) : str.charAt(i));\n }\n }\n return strBuf.join('');\n}\n\nfunction stringToUTF8String(str) {\n return decodeURIComponent(escape(str));\n}\n\nfunction utf8StringToString(str) {\n return unescape(encodeURIComponent(str));\n}\n\nfunction isEmptyObj(obj) {\n for (var key in obj) {\n return false;\n }\n return true;\n}\n\nfunction isBool(v) {\n return typeof v === 'boolean';\n}\n\nfunction isNum(v) {\n return typeof v === 'number';\n}\n\nfunction isString(v) {\n return typeof v === 'string';\n}\n\nfunction isArrayBuffer(v) {\n return typeof v === 'object' && v !== null && v.byteLength !== undefined;\n}\n\n// Checks if ch is one of the following characters: SPACE, TAB, CR or LF.\nfunction isSpace(ch) {\n return (ch === 0x20 || ch === 0x09 || ch === 0x0D || ch === 0x0A);\n}\n\n/**\n * Promise Capability object.\n *\n * @typedef {Object} PromiseCapability\n * @property {Promise} promise - A promise object.\n * @property {function} resolve - Fulfills the promise.\n * @property {function} reject - Rejects the promise.\n */\n\n/**\n * Creates a promise capability object.\n * @alias createPromiseCapability\n *\n * @return {PromiseCapability} A capability object contains:\n * - a Promise, resolve and reject methods.\n */\nfunction createPromiseCapability() {\n var capability = {};\n capability.promise = new Promise(function (resolve, reject) {\n capability.resolve = resolve;\n capability.reject = reject;\n });\n return capability;\n}\n\nvar createObjectURL = (function createObjectURLClosure() {\n // Blob/createObjectURL is not available, falling back to data schema.\n var digits =\n 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';\n\n return function createObjectURL(data, contentType, forceDataSchema = false) {\n if (!forceDataSchema && URL.createObjectURL) {\n const blob = new Blob([data], { type: contentType, });\n return URL.createObjectURL(blob);\n }\n\n var buffer = 'data:' + contentType + ';base64,';\n for (var i = 0, ii = data.length; i < ii; i += 3) {\n var b1 = data[i] & 0xFF;\n var b2 = data[i + 1] & 0xFF;\n var b3 = data[i + 2] & 0xFF;\n var d1 = b1 >> 2, d2 = ((b1 & 3) << 4) | (b2 >> 4);\n var d3 = i + 1 < ii ? ((b2 & 0xF) << 2) | (b3 >> 6) : 64;\n var d4 = i + 2 < ii ? (b3 & 0x3F) : 64;\n buffer += digits[d1] + digits[d2] + digits[d3] + digits[d4];\n }\n return buffer;\n };\n})();\n\nexport {\n FONT_IDENTITY_MATRIX,\n IDENTITY_MATRIX,\n OPS,\n VerbosityLevel,\n UNSUPPORTED_FEATURES,\n AnnotationBorderStyleType,\n AnnotationFieldFlag,\n AnnotationFlag,\n AnnotationType,\n FontType,\n ImageKind,\n CMapCompressionType,\n AbortException,\n InvalidPDFException,\n MissingDataException,\n MissingPDFException,\n NativeImageDecoding,\n PasswordException,\n PasswordResponses,\n PermissionFlag,\n StreamType,\n TextRenderingMode,\n UnexpectedResponseException,\n UnknownErrorException,\n Util,\n toRomanNumerals,\n XRefParseException,\n FormatError,\n arrayByteLength,\n arraysToBytes,\n assert,\n bytesToString,\n createPromiseCapability,\n createObjectURL,\n deprecated,\n getInheritableProperty,\n getLookupTableFactory,\n getVerbosityLevel,\n info,\n isArrayBuffer,\n isBool,\n isEmptyObj,\n isNum,\n isString,\n isSpace,\n isSameOrigin,\n createValidAbsoluteUrl,\n isLittleEndian,\n isEvalSupported,\n log2,\n readInt8,\n readUint16,\n readUint32,\n removeNullCharacters,\n ReadableStream,\n URL,\n setVerbosityLevel,\n shadow,\n string32,\n stringToBytes,\n stringToPDFString,\n stringToUTF8String,\n utf8StringToString,\n warn,\n unreachable,\n};\n","/* Copyright 2017 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nconst globalScope = require('./global_scope');\n\n// Skip compatibility checks for the extensions and if we already ran\n// this module.\nif ((typeof PDFJSDev === 'undefined' ||\n !PDFJSDev.test('FIREFOX || MOZCENTRAL')) &&\n !globalScope._pdfjsCompatibilityChecked) {\n\nglobalScope._pdfjsCompatibilityChecked = true;\n\n// In the Chrome extension, most of the polyfills are unnecessary.\n// We support down to Chrome 49, because it's still commonly used by Windows XP\n// users - https://github.com/mozilla/pdf.js/issues/9397\nif (typeof PDFJSDev === 'undefined' || !PDFJSDev.test('CHROME')) {\n\nconst isNodeJS = require('./is_node');\n\nconst hasDOM = typeof window === 'object' && typeof document === 'object';\n\n// Support: Node.js\n(function checkNodeBtoa() {\n if (globalScope.btoa || !isNodeJS()) {\n return;\n }\n globalScope.btoa = function(chars) {\n // eslint-disable-next-line no-undef\n return Buffer.from(chars, 'binary').toString('base64');\n };\n})();\n\n// Support: Node.js\n(function checkNodeAtob() {\n if (globalScope.atob || !isNodeJS()) {\n return;\n }\n globalScope.atob = function(input) {\n // eslint-disable-next-line no-undef\n return Buffer.from(input, 'base64').toString('binary');\n };\n})();\n\n// Provides document.currentScript support\n// Support: IE, Chrome<29.\n(function checkCurrentScript() {\n if (!hasDOM) {\n return;\n }\n if ('currentScript' in document) {\n return;\n }\n Object.defineProperty(document, 'currentScript', {\n get() {\n var scripts = document.getElementsByTagName('script');\n return scripts[scripts.length - 1];\n },\n enumerable: true,\n configurable: true,\n });\n})();\n\n// Provides support for ChildNode.remove in legacy browsers.\n// Support: IE.\n(function checkChildNodeRemove() {\n if (!hasDOM) {\n return;\n }\n if (typeof Element.prototype.remove !== 'undefined') {\n return;\n }\n Element.prototype.remove = function () {\n if (this.parentNode) {\n // eslint-disable-next-line mozilla/avoid-removeChild\n this.parentNode.removeChild(this);\n }\n };\n})();\n\n// Provides support for DOMTokenList.prototype.toggle, with the optional\n// \"force\" parameter, in legacy browsers.\n// Support: IE\n(function checkDOMTokenListToggle() {\n if (!hasDOM || isNodeJS()) {\n return;\n }\n const div = document.createElement('div');\n if (div.classList.toggle('test', 0) === false) {\n return;\n }\n const originalDOMTokenListToggle = DOMTokenList.prototype.toggle;\n\n DOMTokenList.prototype.toggle = function(token) {\n if (arguments.length > 1) {\n const force = !!arguments[1];\n return (this[force ? 'add' : 'remove'](token), force);\n }\n return originalDOMTokenListToggle(token);\n };\n})();\n\n// Provides support for String.prototype.includes in legacy browsers.\n// Support: IE, Chrome<41\n(function checkStringIncludes() {\n if (String.prototype.includes) {\n return;\n }\n require('core-js/fn/string/includes');\n})();\n\n// Provides support for Array.prototype.includes in legacy browsers.\n// Support: IE, Chrome<47\n(function checkArrayIncludes() {\n if (Array.prototype.includes) {\n return;\n }\n require('core-js/fn/array/includes');\n})();\n\n// Provides support for Object.assign in legacy browsers.\n// Support: IE\n(function checkObjectAssign() {\n if (Object.assign) {\n return;\n }\n require('core-js/fn/object/assign');\n})();\n\n// Provides support for Math.log2 in legacy browsers.\n// Support: IE, Chrome<38\n(function checkMathLog2() {\n if (Math.log2) {\n return;\n }\n Math.log2 = require('core-js/fn/math/log2');\n})();\n\n// Provides support for Number.isNaN in legacy browsers.\n// Support: IE.\n(function checkNumberIsNaN() {\n if (Number.isNaN) {\n return;\n }\n Number.isNaN = require('core-js/fn/number/is-nan');\n})();\n\n// Provides support for Number.isInteger in legacy browsers.\n// Support: IE, Chrome<34\n(function checkNumberIsInteger() {\n if (Number.isInteger) {\n return;\n }\n Number.isInteger = require('core-js/fn/number/is-integer');\n})();\n\n// Support: IE, Safari<8, Chrome<32\n(function checkPromise() {\n if (typeof PDFJSDev !== 'undefined' && PDFJSDev.test('IMAGE_DECODERS')) {\n // The current image decoders are synchronous, hence `Promise` shouldn't\n // need to be polyfilled for the IMAGE_DECODERS build target.\n return;\n }\n if (globalScope.Promise) {\n return;\n }\n globalScope.Promise = require('core-js/fn/promise');\n})();\n\n// Support: IE<11, Safari<8, Chrome<36\n(function checkWeakMap() {\n if (globalScope.WeakMap) {\n return;\n }\n globalScope.WeakMap = require('core-js/fn/weak-map');\n})();\n\n// Provides support for String.codePointAt in legacy browsers.\n// Support: IE11.\n(function checkStringCodePointAt() {\n if (String.codePointAt) {\n return;\n }\n String.codePointAt = require('core-js/fn/string/code-point-at');\n})();\n\n// Provides support for String.fromCodePoint in legacy browsers.\n// Support: IE11.\n(function checkStringFromCodePoint() {\n if (String.fromCodePoint) {\n return;\n }\n String.fromCodePoint = require('core-js/fn/string/from-code-point');\n})();\n\n// Support: IE\n(function checkSymbol() {\n if (globalScope.Symbol) {\n return;\n }\n require('core-js/es6/symbol');\n})();\n\n} // End of !PDFJSDev.test('CHROME')\n\n// Provides support for Object.values in legacy browsers.\n// Support: IE, Chrome<54\n(function checkObjectValues() {\n if (Object.values) {\n return;\n }\n Object.values = require('core-js/fn/object/values');\n})();\n\n}\n","/* Copyright 2017 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* globals module */\n\nmodule.exports =\n (typeof window !== 'undefined' && window.Math === Math) ? window :\n // eslint-disable-next-line no-undef\n (typeof global !== 'undefined' && global.Math === Math) ? global :\n (typeof self !== 'undefined' && self.Math === Math) ? self : {};\n","/* Copyright 2018 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* globals module, process */\n\nmodule.exports = function isNodeJS() {\n return typeof process === 'object' && process + '' === '[object process]';\n};\n","require('../../modules/es6.string.includes');\nmodule.exports = require('../../modules/_core').String.includes;\n","// 21.1.3.7 String.prototype.includes(searchString, position = 0)\n'use strict';\nvar $export = require('./_export');\nvar context = require('./_string-context');\nvar INCLUDES = 'includes';\n\n$export($export.P + $export.F * require('./_fails-is-regexp')(INCLUDES), 'String', {\n includes: function includes(searchString /* , position = 0 */) {\n return !!~context(this, searchString, INCLUDES)\n .indexOf(searchString, arguments.length > 1 ? arguments[1] : undefined);\n }\n});\n","var global = require('./_global');\nvar core = require('./_core');\nvar hide = require('./_hide');\nvar redefine = require('./_redefine');\nvar ctx = require('./_ctx');\nvar PROTOTYPE = 'prototype';\n\nvar $export = function (type, name, source) {\n var IS_FORCED = type & $export.F;\n var IS_GLOBAL = type & $export.G;\n var IS_STATIC = type & $export.S;\n var IS_PROTO = type & $export.P;\n var IS_BIND = type & $export.B;\n var target = IS_GLOBAL ? global : IS_STATIC ? global[name] || (global[name] = {}) : (global[name] || {})[PROTOTYPE];\n var exports = IS_GLOBAL ? core : core[name] || (core[name] = {});\n var expProto = exports[PROTOTYPE] || (exports[PROTOTYPE] = {});\n var key, own, out, exp;\n if (IS_GLOBAL) source = name;\n for (key in source) {\n // contains in native\n own = !IS_FORCED && target && target[key] !== undefined;\n // export native or passed\n out = (own ? target : source)[key];\n // bind timers to global for call from export context\n exp = IS_BIND && own ? ctx(out, global) : IS_PROTO && typeof out == 'function' ? ctx(Function.call, out) : out;\n // extend global\n if (target) redefine(target, key, out, type & $export.U);\n // export\n if (exports[key] != out) hide(exports, key, exp);\n if (IS_PROTO && expProto[key] != out) expProto[key] = out;\n }\n};\nglobal.core = core;\n// type bitmap\n$export.F = 1; // forced\n$export.G = 2; // global\n$export.S = 4; // static\n$export.P = 8; // proto\n$export.B = 16; // bind\n$export.W = 32; // wrap\n$export.U = 64; // safe\n$export.R = 128; // real proto method for `library`\nmodule.exports = $export;\n","// https://github.com/zloirock/core-js/issues/86#issuecomment-115759028\nvar global = module.exports = typeof window != 'undefined' && window.Math == Math\n ? window : typeof self != 'undefined' && self.Math == Math ? self\n // eslint-disable-next-line no-new-func\n : Function('return this')();\nif (typeof __g == 'number') __g = global; // eslint-disable-line no-undef\n","var core = module.exports = { version: '2.5.7' };\nif (typeof __e == 'number') __e = core; // eslint-disable-line no-undef\n","var dP = require('./_object-dp');\nvar createDesc = require('./_property-desc');\nmodule.exports = require('./_descriptors') ? function (object, key, value) {\n return dP.f(object, key, createDesc(1, value));\n} : function (object, key, value) {\n object[key] = value;\n return object;\n};\n","var anObject = require('./_an-object');\nvar IE8_DOM_DEFINE = require('./_ie8-dom-define');\nvar toPrimitive = require('./_to-primitive');\nvar dP = Object.defineProperty;\n\nexports.f = require('./_descriptors') ? Object.defineProperty : function defineProperty(O, P, Attributes) {\n anObject(O);\n P = toPrimitive(P, true);\n anObject(Attributes);\n if (IE8_DOM_DEFINE) try {\n return dP(O, P, Attributes);\n } catch (e) { /* empty */ }\n if ('get' in Attributes || 'set' in Attributes) throw TypeError('Accessors not supported!');\n if ('value' in Attributes) O[P] = Attributes.value;\n return O;\n};\n","var isObject = require('./_is-object');\nmodule.exports = function (it) {\n if (!isObject(it)) throw TypeError(it + ' is not an object!');\n return it;\n};\n","module.exports = function (it) {\n return typeof it === 'object' ? it !== null : typeof it === 'function';\n};\n","module.exports = !require('./_descriptors') && !require('./_fails')(function () {\n return Object.defineProperty(require('./_dom-create')('div'), 'a', { get: function () { return 7; } }).a != 7;\n});\n","// Thank's IE8 for his funny defineProperty\nmodule.exports = !require('./_fails')(function () {\n return Object.defineProperty({}, 'a', { get: function () { return 7; } }).a != 7;\n});\n","module.exports = function (exec) {\n try {\n return !!exec();\n } catch (e) {\n return true;\n }\n};\n","var isObject = require('./_is-object');\nvar document = require('./_global').document;\n// typeof document.createElement is 'object' in old IE\nvar is = isObject(document) && isObject(document.createElement);\nmodule.exports = function (it) {\n return is ? document.createElement(it) : {};\n};\n","// 7.1.1 ToPrimitive(input [, PreferredType])\nvar isObject = require('./_is-object');\n// instead of the ES6 spec version, we didn't implement @@toPrimitive case\n// and the second argument - flag - preferred type is a string\nmodule.exports = function (it, S) {\n if (!isObject(it)) return it;\n var fn, val;\n if (S && typeof (fn = it.toString) == 'function' && !isObject(val = fn.call(it))) return val;\n if (typeof (fn = it.valueOf) == 'function' && !isObject(val = fn.call(it))) return val;\n if (!S && typeof (fn = it.toString) == 'function' && !isObject(val = fn.call(it))) return val;\n throw TypeError(\"Can't convert object to primitive value\");\n};\n","module.exports = function (bitmap, value) {\n return {\n enumerable: !(bitmap & 1),\n configurable: !(bitmap & 2),\n writable: !(bitmap & 4),\n value: value\n };\n};\n","var global = require('./_global');\nvar hide = require('./_hide');\nvar has = require('./_has');\nvar SRC = require('./_uid')('src');\nvar TO_STRING = 'toString';\nvar $toString = Function[TO_STRING];\nvar TPL = ('' + $toString).split(TO_STRING);\n\nrequire('./_core').inspectSource = function (it) {\n return $toString.call(it);\n};\n\n(module.exports = function (O, key, val, safe) {\n var isFunction = typeof val == 'function';\n if (isFunction) has(val, 'name') || hide(val, 'name', key);\n if (O[key] === val) return;\n if (isFunction) has(val, SRC) || hide(val, SRC, O[key] ? '' + O[key] : TPL.join(String(key)));\n if (O === global) {\n O[key] = val;\n } else if (!safe) {\n delete O[key];\n hide(O, key, val);\n } else if (O[key]) {\n O[key] = val;\n } else {\n hide(O, key, val);\n }\n// add fake Function#toString for correct work wrapped methods / constructors with methods like LoDash isNative\n})(Function.prototype, TO_STRING, function toString() {\n return typeof this == 'function' && this[SRC] || $toString.call(this);\n});\n","var hasOwnProperty = {}.hasOwnProperty;\nmodule.exports = function (it, key) {\n return hasOwnProperty.call(it, key);\n};\n","var id = 0;\nvar px = Math.random();\nmodule.exports = function (key) {\n return 'Symbol('.concat(key === undefined ? '' : key, ')_', (++id + px).toString(36));\n};\n","// optional / simple context binding\nvar aFunction = require('./_a-function');\nmodule.exports = function (fn, that, length) {\n aFunction(fn);\n if (that === undefined) return fn;\n switch (length) {\n case 1: return function (a) {\n return fn.call(that, a);\n };\n case 2: return function (a, b) {\n return fn.call(that, a, b);\n };\n case 3: return function (a, b, c) {\n return fn.call(that, a, b, c);\n };\n }\n return function (/* ...args */) {\n return fn.apply(that, arguments);\n };\n};\n","module.exports = function (it) {\n if (typeof it != 'function') throw TypeError(it + ' is not a function!');\n return it;\n};\n","// helper for String#{startsWith, endsWith, includes}\nvar isRegExp = require('./_is-regexp');\nvar defined = require('./_defined');\n\nmodule.exports = function (that, searchString, NAME) {\n if (isRegExp(searchString)) throw TypeError('String#' + NAME + \" doesn't accept regex!\");\n return String(defined(that));\n};\n","// 7.2.8 IsRegExp(argument)\nvar isObject = require('./_is-object');\nvar cof = require('./_cof');\nvar MATCH = require('./_wks')('match');\nmodule.exports = function (it) {\n var isRegExp;\n return isObject(it) && ((isRegExp = it[MATCH]) !== undefined ? !!isRegExp : cof(it) == 'RegExp');\n};\n","var toString = {}.toString;\n\nmodule.exports = function (it) {\n return toString.call(it).slice(8, -1);\n};\n","var store = require('./_shared')('wks');\nvar uid = require('./_uid');\nvar Symbol = require('./_global').Symbol;\nvar USE_SYMBOL = typeof Symbol == 'function';\n\nvar $exports = module.exports = function (name) {\n return store[name] || (store[name] =\n USE_SYMBOL && Symbol[name] || (USE_SYMBOL ? Symbol : uid)('Symbol.' + name));\n};\n\n$exports.store = store;\n","var core = require('./_core');\nvar global = require('./_global');\nvar SHARED = '__core-js_shared__';\nvar store = global[SHARED] || (global[SHARED] = {});\n\n(module.exports = function (key, value) {\n return store[key] || (store[key] = value !== undefined ? value : {});\n})('versions', []).push({\n version: core.version,\n mode: require('./_library') ? 'pure' : 'global',\n copyright: '© 2018 Denis Pushkarev (zloirock.ru)'\n});\n","module.exports = false;\n","// 7.2.1 RequireObjectCoercible(argument)\nmodule.exports = function (it) {\n if (it == undefined) throw TypeError(\"Can't call method on \" + it);\n return it;\n};\n","var MATCH = require('./_wks')('match');\nmodule.exports = function (KEY) {\n var re = /./;\n try {\n '/./'[KEY](re);\n } catch (e) {\n try {\n re[MATCH] = false;\n return !'/./'[KEY](re);\n } catch (f) { /* empty */ }\n } return true;\n};\n","require('../../modules/es7.array.includes');\nmodule.exports = require('../../modules/_core').Array.includes;\n","'use strict';\n// https://github.com/tc39/Array.prototype.includes\nvar $export = require('./_export');\nvar $includes = require('./_array-includes')(true);\n\n$export($export.P, 'Array', {\n includes: function includes(el /* , fromIndex = 0 */) {\n return $includes(this, el, arguments.length > 1 ? arguments[1] : undefined);\n }\n});\n\nrequire('./_add-to-unscopables')('includes');\n","// false -> Array#indexOf\n// true -> Array#includes\nvar toIObject = require('./_to-iobject');\nvar toLength = require('./_to-length');\nvar toAbsoluteIndex = require('./_to-absolute-index');\nmodule.exports = function (IS_INCLUDES) {\n return function ($this, el, fromIndex) {\n var O = toIObject($this);\n var length = toLength(O.length);\n var index = toAbsoluteIndex(fromIndex, length);\n var value;\n // Array#includes uses SameValueZero equality algorithm\n // eslint-disable-next-line no-self-compare\n if (IS_INCLUDES && el != el) while (length > index) {\n value = O[index++];\n // eslint-disable-next-line no-self-compare\n if (value != value) return true;\n // Array#indexOf ignores holes, Array#includes - not\n } else for (;length > index; index++) if (IS_INCLUDES || index in O) {\n if (O[index] === el) return IS_INCLUDES || index || 0;\n } return !IS_INCLUDES && -1;\n };\n};\n","// to indexed object, toObject with fallback for non-array-like ES3 strings\nvar IObject = require('./_iobject');\nvar defined = require('./_defined');\nmodule.exports = function (it) {\n return IObject(defined(it));\n};\n","// fallback for non-array-like ES3 and non-enumerable old V8 strings\nvar cof = require('./_cof');\n// eslint-disable-next-line no-prototype-builtins\nmodule.exports = Object('z').propertyIsEnumerable(0) ? Object : function (it) {\n return cof(it) == 'String' ? it.split('') : Object(it);\n};\n","// 7.1.15 ToLength\nvar toInteger = require('./_to-integer');\nvar min = Math.min;\nmodule.exports = function (it) {\n return it > 0 ? min(toInteger(it), 0x1fffffffffffff) : 0; // pow(2, 53) - 1 == 9007199254740991\n};\n","// 7.1.4 ToInteger\nvar ceil = Math.ceil;\nvar floor = Math.floor;\nmodule.exports = function (it) {\n return isNaN(it = +it) ? 0 : (it > 0 ? floor : ceil)(it);\n};\n","var toInteger = require('./_to-integer');\nvar max = Math.max;\nvar min = Math.min;\nmodule.exports = function (index, length) {\n index = toInteger(index);\n return index < 0 ? max(index + length, 0) : min(index, length);\n};\n","// 22.1.3.31 Array.prototype[@@unscopables]\nvar UNSCOPABLES = require('./_wks')('unscopables');\nvar ArrayProto = Array.prototype;\nif (ArrayProto[UNSCOPABLES] == undefined) require('./_hide')(ArrayProto, UNSCOPABLES, {});\nmodule.exports = function (key) {\n ArrayProto[UNSCOPABLES][key] = true;\n};\n","require('../../modules/es6.object.assign');\nmodule.exports = require('../../modules/_core').Object.assign;\n","// 19.1.3.1 Object.assign(target, source)\nvar $export = require('./_export');\n\n$export($export.S + $export.F, 'Object', { assign: require('./_object-assign') });\n","'use strict';\n// 19.1.2.1 Object.assign(target, source, ...)\nvar getKeys = require('./_object-keys');\nvar gOPS = require('./_object-gops');\nvar pIE = require('./_object-pie');\nvar toObject = require('./_to-object');\nvar IObject = require('./_iobject');\nvar $assign = Object.assign;\n\n// should work with symbols and should have deterministic property order (V8 bug)\nmodule.exports = !$assign || require('./_fails')(function () {\n var A = {};\n var B = {};\n // eslint-disable-next-line no-undef\n var S = Symbol();\n var K = 'abcdefghijklmnopqrst';\n A[S] = 7;\n K.split('').forEach(function (k) { B[k] = k; });\n return $assign({}, A)[S] != 7 || Object.keys($assign({}, B)).join('') != K;\n}) ? function assign(target, source) { // eslint-disable-line no-unused-vars\n var T = toObject(target);\n var aLen = arguments.length;\n var index = 1;\n var getSymbols = gOPS.f;\n var isEnum = pIE.f;\n while (aLen > index) {\n var S = IObject(arguments[index++]);\n var keys = getSymbols ? getKeys(S).concat(getSymbols(S)) : getKeys(S);\n var length = keys.length;\n var j = 0;\n var key;\n while (length > j) if (isEnum.call(S, key = keys[j++])) T[key] = S[key];\n } return T;\n} : $assign;\n","// 19.1.2.14 / 15.2.3.14 Object.keys(O)\nvar $keys = require('./_object-keys-internal');\nvar enumBugKeys = require('./_enum-bug-keys');\n\nmodule.exports = Object.keys || function keys(O) {\n return $keys(O, enumBugKeys);\n};\n","var has = require('./_has');\nvar toIObject = require('./_to-iobject');\nvar arrayIndexOf = require('./_array-includes')(false);\nvar IE_PROTO = require('./_shared-key')('IE_PROTO');\n\nmodule.exports = function (object, names) {\n var O = toIObject(object);\n var i = 0;\n var result = [];\n var key;\n for (key in O) if (key != IE_PROTO) has(O, key) && result.push(key);\n // Don't enum bug & hidden keys\n while (names.length > i) if (has(O, key = names[i++])) {\n ~arrayIndexOf(result, key) || result.push(key);\n }\n return result;\n};\n","var shared = require('./_shared')('keys');\nvar uid = require('./_uid');\nmodule.exports = function (key) {\n return shared[key] || (shared[key] = uid(key));\n};\n","// IE 8- don't enum bug keys\nmodule.exports = (\n 'constructor,hasOwnProperty,isPrototypeOf,propertyIsEnumerable,toLocaleString,toString,valueOf'\n).split(',');\n","exports.f = Object.getOwnPropertySymbols;\n","exports.f = {}.propertyIsEnumerable;\n","// 7.1.13 ToObject(argument)\nvar defined = require('./_defined');\nmodule.exports = function (it) {\n return Object(defined(it));\n};\n","require('../../modules/es6.math.log2');\nmodule.exports = require('../../modules/_core').Math.log2;\n","// 20.2.2.22 Math.log2(x)\nvar $export = require('./_export');\n\n$export($export.S, 'Math', {\n log2: function log2(x) {\n return Math.log(x) / Math.LN2;\n }\n});\n","require('../../modules/es6.number.is-nan');\nmodule.exports = require('../../modules/_core').Number.isNaN;\n","// 20.1.2.4 Number.isNaN(number)\nvar $export = require('./_export');\n\n$export($export.S, 'Number', {\n isNaN: function isNaN(number) {\n // eslint-disable-next-line no-self-compare\n return number != number;\n }\n});\n","require('../../modules/es6.number.is-integer');\nmodule.exports = require('../../modules/_core').Number.isInteger;\n","// 20.1.2.3 Number.isInteger(number)\nvar $export = require('./_export');\n\n$export($export.S, 'Number', { isInteger: require('./_is-integer') });\n","// 20.1.2.3 Number.isInteger(number)\nvar isObject = require('./_is-object');\nvar floor = Math.floor;\nmodule.exports = function isInteger(it) {\n return !isObject(it) && isFinite(it) && floor(it) === it;\n};\n","require('../modules/es6.object.to-string');\nrequire('../modules/es6.string.iterator');\nrequire('../modules/web.dom.iterable');\nrequire('../modules/es6.promise');\nrequire('../modules/es7.promise.finally');\nrequire('../modules/es7.promise.try');\nmodule.exports = require('../modules/_core').Promise;\n","'use strict';\n// 19.1.3.6 Object.prototype.toString()\nvar classof = require('./_classof');\nvar test = {};\ntest[require('./_wks')('toStringTag')] = 'z';\nif (test + '' != '[object z]') {\n require('./_redefine')(Object.prototype, 'toString', function toString() {\n return '[object ' + classof(this) + ']';\n }, true);\n}\n","// getting tag from 19.1.3.6 Object.prototype.toString()\nvar cof = require('./_cof');\nvar TAG = require('./_wks')('toStringTag');\n// ES3 wrong here\nvar ARG = cof(function () { return arguments; }()) == 'Arguments';\n\n// fallback for IE11 Script Access Denied error\nvar tryGet = function (it, key) {\n try {\n return it[key];\n } catch (e) { /* empty */ }\n};\n\nmodule.exports = function (it) {\n var O, T, B;\n return it === undefined ? 'Undefined' : it === null ? 'Null'\n // @@toStringTag case\n : typeof (T = tryGet(O = Object(it), TAG)) == 'string' ? T\n // builtinTag case\n : ARG ? cof(O)\n // ES3 arguments fallback\n : (B = cof(O)) == 'Object' && typeof O.callee == 'function' ? 'Arguments' : B;\n};\n","'use strict';\nvar $at = require('./_string-at')(true);\n\n// 21.1.3.27 String.prototype[@@iterator]()\nrequire('./_iter-define')(String, 'String', function (iterated) {\n this._t = String(iterated); // target\n this._i = 0; // next index\n// 21.1.5.2.1 %StringIteratorPrototype%.next()\n}, function () {\n var O = this._t;\n var index = this._i;\n var point;\n if (index >= O.length) return { value: undefined, done: true };\n point = $at(O, index);\n this._i += point.length;\n return { value: point, done: false };\n});\n","var toInteger = require('./_to-integer');\nvar defined = require('./_defined');\n// true -> String#at\n// false -> String#codePointAt\nmodule.exports = function (TO_STRING) {\n return function (that, pos) {\n var s = String(defined(that));\n var i = toInteger(pos);\n var l = s.length;\n var a, b;\n if (i < 0 || i >= l) return TO_STRING ? '' : undefined;\n a = s.charCodeAt(i);\n return a < 0xd800 || a > 0xdbff || i + 1 === l || (b = s.charCodeAt(i + 1)) < 0xdc00 || b > 0xdfff\n ? TO_STRING ? s.charAt(i) : a\n : TO_STRING ? s.slice(i, i + 2) : (a - 0xd800 << 10) + (b - 0xdc00) + 0x10000;\n };\n};\n","'use strict';\nvar LIBRARY = require('./_library');\nvar $export = require('./_export');\nvar redefine = require('./_redefine');\nvar hide = require('./_hide');\nvar Iterators = require('./_iterators');\nvar $iterCreate = require('./_iter-create');\nvar setToStringTag = require('./_set-to-string-tag');\nvar getPrototypeOf = require('./_object-gpo');\nvar ITERATOR = require('./_wks')('iterator');\nvar BUGGY = !([].keys && 'next' in [].keys()); // Safari has buggy iterators w/o `next`\nvar FF_ITERATOR = '@@iterator';\nvar KEYS = 'keys';\nvar VALUES = 'values';\n\nvar returnThis = function () { return this; };\n\nmodule.exports = function (Base, NAME, Constructor, next, DEFAULT, IS_SET, FORCED) {\n $iterCreate(Constructor, NAME, next);\n var getMethod = function (kind) {\n if (!BUGGY && kind in proto) return proto[kind];\n switch (kind) {\n case KEYS: return function keys() { return new Constructor(this, kind); };\n case VALUES: return function values() { return new Constructor(this, kind); };\n } return function entries() { return new Constructor(this, kind); };\n };\n var TAG = NAME + ' Iterator';\n var DEF_VALUES = DEFAULT == VALUES;\n var VALUES_BUG = false;\n var proto = Base.prototype;\n var $native = proto[ITERATOR] || proto[FF_ITERATOR] || DEFAULT && proto[DEFAULT];\n var $default = $native || getMethod(DEFAULT);\n var $entries = DEFAULT ? !DEF_VALUES ? $default : getMethod('entries') : undefined;\n var $anyNative = NAME == 'Array' ? proto.entries || $native : $native;\n var methods, key, IteratorPrototype;\n // Fix native\n if ($anyNative) {\n IteratorPrototype = getPrototypeOf($anyNative.call(new Base()));\n if (IteratorPrototype !== Object.prototype && IteratorPrototype.next) {\n // Set @@toStringTag to native iterators\n setToStringTag(IteratorPrototype, TAG, true);\n // fix for some old engines\n if (!LIBRARY && typeof IteratorPrototype[ITERATOR] != 'function') hide(IteratorPrototype, ITERATOR, returnThis);\n }\n }\n // fix Array#{values, @@iterator}.name in V8 / FF\n if (DEF_VALUES && $native && $native.name !== VALUES) {\n VALUES_BUG = true;\n $default = function values() { return $native.call(this); };\n }\n // Define iterator\n if ((!LIBRARY || FORCED) && (BUGGY || VALUES_BUG || !proto[ITERATOR])) {\n hide(proto, ITERATOR, $default);\n }\n // Plug for library\n Iterators[NAME] = $default;\n Iterators[TAG] = returnThis;\n if (DEFAULT) {\n methods = {\n values: DEF_VALUES ? $default : getMethod(VALUES),\n keys: IS_SET ? $default : getMethod(KEYS),\n entries: $entries\n };\n if (FORCED) for (key in methods) {\n if (!(key in proto)) redefine(proto, key, methods[key]);\n } else $export($export.P + $export.F * (BUGGY || VALUES_BUG), NAME, methods);\n }\n return methods;\n};\n","module.exports = {};\n","'use strict';\nvar create = require('./_object-create');\nvar descriptor = require('./_property-desc');\nvar setToStringTag = require('./_set-to-string-tag');\nvar IteratorPrototype = {};\n\n// 25.1.2.1.1 %IteratorPrototype%[@@iterator]()\nrequire('./_hide')(IteratorPrototype, require('./_wks')('iterator'), function () { return this; });\n\nmodule.exports = function (Constructor, NAME, next) {\n Constructor.prototype = create(IteratorPrototype, { next: descriptor(1, next) });\n setToStringTag(Constructor, NAME + ' Iterator');\n};\n","// 19.1.2.2 / 15.2.3.5 Object.create(O [, Properties])\nvar anObject = require('./_an-object');\nvar dPs = require('./_object-dps');\nvar enumBugKeys = require('./_enum-bug-keys');\nvar IE_PROTO = require('./_shared-key')('IE_PROTO');\nvar Empty = function () { /* empty */ };\nvar PROTOTYPE = 'prototype';\n\n// Create object with fake `null` prototype: use iframe Object with cleared prototype\nvar createDict = function () {\n // Thrash, waste and sodomy: IE GC bug\n var iframe = require('./_dom-create')('iframe');\n var i = enumBugKeys.length;\n var lt = '<';\n var gt = '>';\n var iframeDocument;\n iframe.style.display = 'none';\n require('./_html').appendChild(iframe);\n iframe.src = 'javascript:'; // eslint-disable-line no-script-url\n // createDict = iframe.contentWindow.Object;\n // html.removeChild(iframe);\n iframeDocument = iframe.contentWindow.document;\n iframeDocument.open();\n iframeDocument.write(lt + 'script' + gt + 'document.F=Object' + lt + '/script' + gt);\n iframeDocument.close();\n createDict = iframeDocument.F;\n while (i--) delete createDict[PROTOTYPE][enumBugKeys[i]];\n return createDict();\n};\n\nmodule.exports = Object.create || function create(O, Properties) {\n var result;\n if (O !== null) {\n Empty[PROTOTYPE] = anObject(O);\n result = new Empty();\n Empty[PROTOTYPE] = null;\n // add \"__proto__\" for Object.getPrototypeOf polyfill\n result[IE_PROTO] = O;\n } else result = createDict();\n return Properties === undefined ? result : dPs(result, Properties);\n};\n","var dP = require('./_object-dp');\nvar anObject = require('./_an-object');\nvar getKeys = require('./_object-keys');\n\nmodule.exports = require('./_descriptors') ? Object.defineProperties : function defineProperties(O, Properties) {\n anObject(O);\n var keys = getKeys(Properties);\n var length = keys.length;\n var i = 0;\n var P;\n while (length > i) dP.f(O, P = keys[i++], Properties[P]);\n return O;\n};\n","var document = require('./_global').document;\nmodule.exports = document && document.documentElement;\n","var def = require('./_object-dp').f;\nvar has = require('./_has');\nvar TAG = require('./_wks')('toStringTag');\n\nmodule.exports = function (it, tag, stat) {\n if (it && !has(it = stat ? it : it.prototype, TAG)) def(it, TAG, { configurable: true, value: tag });\n};\n","// 19.1.2.9 / 15.2.3.2 Object.getPrototypeOf(O)\nvar has = require('./_has');\nvar toObject = require('./_to-object');\nvar IE_PROTO = require('./_shared-key')('IE_PROTO');\nvar ObjectProto = Object.prototype;\n\nmodule.exports = Object.getPrototypeOf || function (O) {\n O = toObject(O);\n if (has(O, IE_PROTO)) return O[IE_PROTO];\n if (typeof O.constructor == 'function' && O instanceof O.constructor) {\n return O.constructor.prototype;\n } return O instanceof Object ? ObjectProto : null;\n};\n","var $iterators = require('./es6.array.iterator');\nvar getKeys = require('./_object-keys');\nvar redefine = require('./_redefine');\nvar global = require('./_global');\nvar hide = require('./_hide');\nvar Iterators = require('./_iterators');\nvar wks = require('./_wks');\nvar ITERATOR = wks('iterator');\nvar TO_STRING_TAG = wks('toStringTag');\nvar ArrayValues = Iterators.Array;\n\nvar DOMIterables = {\n CSSRuleList: true, // TODO: Not spec compliant, should be false.\n CSSStyleDeclaration: false,\n CSSValueList: false,\n ClientRectList: false,\n DOMRectList: false,\n DOMStringList: false,\n DOMTokenList: true,\n DataTransferItemList: false,\n FileList: false,\n HTMLAllCollection: false,\n HTMLCollection: false,\n HTMLFormElement: false,\n HTMLSelectElement: false,\n MediaList: true, // TODO: Not spec compliant, should be false.\n MimeTypeArray: false,\n NamedNodeMap: false,\n NodeList: true,\n PaintRequestList: false,\n Plugin: false,\n PluginArray: false,\n SVGLengthList: false,\n SVGNumberList: false,\n SVGPathSegList: false,\n SVGPointList: false,\n SVGStringList: false,\n SVGTransformList: false,\n SourceBufferList: false,\n StyleSheetList: true, // TODO: Not spec compliant, should be false.\n TextTrackCueList: false,\n TextTrackList: false,\n TouchList: false\n};\n\nfor (var collections = getKeys(DOMIterables), i = 0; i < collections.length; i++) {\n var NAME = collections[i];\n var explicit = DOMIterables[NAME];\n var Collection = global[NAME];\n var proto = Collection && Collection.prototype;\n var key;\n if (proto) {\n if (!proto[ITERATOR]) hide(proto, ITERATOR, ArrayValues);\n if (!proto[TO_STRING_TAG]) hide(proto, TO_STRING_TAG, NAME);\n Iterators[NAME] = ArrayValues;\n if (explicit) for (key in $iterators) if (!proto[key]) redefine(proto, key, $iterators[key], true);\n }\n}\n","'use strict';\nvar addToUnscopables = require('./_add-to-unscopables');\nvar step = require('./_iter-step');\nvar Iterators = require('./_iterators');\nvar toIObject = require('./_to-iobject');\n\n// 22.1.3.4 Array.prototype.entries()\n// 22.1.3.13 Array.prototype.keys()\n// 22.1.3.29 Array.prototype.values()\n// 22.1.3.30 Array.prototype[@@iterator]()\nmodule.exports = require('./_iter-define')(Array, 'Array', function (iterated, kind) {\n this._t = toIObject(iterated); // target\n this._i = 0; // next index\n this._k = kind; // kind\n// 22.1.5.2.1 %ArrayIteratorPrototype%.next()\n}, function () {\n var O = this._t;\n var kind = this._k;\n var index = this._i++;\n if (!O || index >= O.length) {\n this._t = undefined;\n return step(1);\n }\n if (kind == 'keys') return step(0, index);\n if (kind == 'values') return step(0, O[index]);\n return step(0, [index, O[index]]);\n}, 'values');\n\n// argumentsList[@@iterator] is %ArrayProto_values% (9.4.4.6, 9.4.4.7)\nIterators.Arguments = Iterators.Array;\n\naddToUnscopables('keys');\naddToUnscopables('values');\naddToUnscopables('entries');\n","module.exports = function (done, value) {\n return { value: value, done: !!done };\n};\n","'use strict';\nvar LIBRARY = require('./_library');\nvar global = require('./_global');\nvar ctx = require('./_ctx');\nvar classof = require('./_classof');\nvar $export = require('./_export');\nvar isObject = require('./_is-object');\nvar aFunction = require('./_a-function');\nvar anInstance = require('./_an-instance');\nvar forOf = require('./_for-of');\nvar speciesConstructor = require('./_species-constructor');\nvar task = require('./_task').set;\nvar microtask = require('./_microtask')();\nvar newPromiseCapabilityModule = require('./_new-promise-capability');\nvar perform = require('./_perform');\nvar userAgent = require('./_user-agent');\nvar promiseResolve = require('./_promise-resolve');\nvar PROMISE = 'Promise';\nvar TypeError = global.TypeError;\nvar process = global.process;\nvar versions = process && process.versions;\nvar v8 = versions && versions.v8 || '';\nvar $Promise = global[PROMISE];\nvar isNode = classof(process) == 'process';\nvar empty = function () { /* empty */ };\nvar Internal, newGenericPromiseCapability, OwnPromiseCapability, Wrapper;\nvar newPromiseCapability = newGenericPromiseCapability = newPromiseCapabilityModule.f;\n\nvar USE_NATIVE = !!function () {\n try {\n // correct subclassing with @@species support\n var promise = $Promise.resolve(1);\n var FakePromise = (promise.constructor = {})[require('./_wks')('species')] = function (exec) {\n exec(empty, empty);\n };\n // unhandled rejections tracking support, NodeJS Promise without it fails @@species test\n return (isNode || typeof PromiseRejectionEvent == 'function')\n && promise.then(empty) instanceof FakePromise\n // v8 6.6 (Node 10 and Chrome 66) have a bug with resolving custom thenables\n // https://bugs.chromium.org/p/chromium/issues/detail?id=830565\n // we can't detect it synchronously, so just check versions\n && v8.indexOf('6.6') !== 0\n && userAgent.indexOf('Chrome/66') === -1;\n } catch (e) { /* empty */ }\n}();\n\n// helpers\nvar isThenable = function (it) {\n var then;\n return isObject(it) && typeof (then = it.then) == 'function' ? then : false;\n};\nvar notify = function (promise, isReject) {\n if (promise._n) return;\n promise._n = true;\n var chain = promise._c;\n microtask(function () {\n var value = promise._v;\n var ok = promise._s == 1;\n var i = 0;\n var run = function (reaction) {\n var handler = ok ? reaction.ok : reaction.fail;\n var resolve = reaction.resolve;\n var reject = reaction.reject;\n var domain = reaction.domain;\n var result, then, exited;\n try {\n if (handler) {\n if (!ok) {\n if (promise._h == 2) onHandleUnhandled(promise);\n promise._h = 1;\n }\n if (handler === true) result = value;\n else {\n if (domain) domain.enter();\n result = handler(value); // may throw\n if (domain) {\n domain.exit();\n exited = true;\n }\n }\n if (result === reaction.promise) {\n reject(TypeError('Promise-chain cycle'));\n } else if (then = isThenable(result)) {\n then.call(result, resolve, reject);\n } else resolve(result);\n } else reject(value);\n } catch (e) {\n if (domain && !exited) domain.exit();\n reject(e);\n }\n };\n while (chain.length > i) run(chain[i++]); // variable length - can't use forEach\n promise._c = [];\n promise._n = false;\n if (isReject && !promise._h) onUnhandled(promise);\n });\n};\nvar onUnhandled = function (promise) {\n task.call(global, function () {\n var value = promise._v;\n var unhandled = isUnhandled(promise);\n var result, handler, console;\n if (unhandled) {\n result = perform(function () {\n if (isNode) {\n process.emit('unhandledRejection', value, promise);\n } else if (handler = global.onunhandledrejection) {\n handler({ promise: promise, reason: value });\n } else if ((console = global.console) && console.error) {\n console.error('Unhandled promise rejection', value);\n }\n });\n // Browsers should not trigger `rejectionHandled` event if it was handled here, NodeJS - should\n promise._h = isNode || isUnhandled(promise) ? 2 : 1;\n } promise._a = undefined;\n if (unhandled && result.e) throw result.v;\n });\n};\nvar isUnhandled = function (promise) {\n return promise._h !== 1 && (promise._a || promise._c).length === 0;\n};\nvar onHandleUnhandled = function (promise) {\n task.call(global, function () {\n var handler;\n if (isNode) {\n process.emit('rejectionHandled', promise);\n } else if (handler = global.onrejectionhandled) {\n handler({ promise: promise, reason: promise._v });\n }\n });\n};\nvar $reject = function (value) {\n var promise = this;\n if (promise._d) return;\n promise._d = true;\n promise = promise._w || promise; // unwrap\n promise._v = value;\n promise._s = 2;\n if (!promise._a) promise._a = promise._c.slice();\n notify(promise, true);\n};\nvar $resolve = function (value) {\n var promise = this;\n var then;\n if (promise._d) return;\n promise._d = true;\n promise = promise._w || promise; // unwrap\n try {\n if (promise === value) throw TypeError(\"Promise can't be resolved itself\");\n if (then = isThenable(value)) {\n microtask(function () {\n var wrapper = { _w: promise, _d: false }; // wrap\n try {\n then.call(value, ctx($resolve, wrapper, 1), ctx($reject, wrapper, 1));\n } catch (e) {\n $reject.call(wrapper, e);\n }\n });\n } else {\n promise._v = value;\n promise._s = 1;\n notify(promise, false);\n }\n } catch (e) {\n $reject.call({ _w: promise, _d: false }, e); // wrap\n }\n};\n\n// constructor polyfill\nif (!USE_NATIVE) {\n // 25.4.3.1 Promise(executor)\n $Promise = function Promise(executor) {\n anInstance(this, $Promise, PROMISE, '_h');\n aFunction(executor);\n Internal.call(this);\n try {\n executor(ctx($resolve, this, 1), ctx($reject, this, 1));\n } catch (err) {\n $reject.call(this, err);\n }\n };\n // eslint-disable-next-line no-unused-vars\n Internal = function Promise(executor) {\n this._c = []; // <- awaiting reactions\n this._a = undefined; // <- checked in isUnhandled reactions\n this._s = 0; // <- state\n this._d = false; // <- done\n this._v = undefined; // <- value\n this._h = 0; // <- rejection state, 0 - default, 1 - handled, 2 - unhandled\n this._n = false; // <- notify\n };\n Internal.prototype = require('./_redefine-all')($Promise.prototype, {\n // 25.4.5.3 Promise.prototype.then(onFulfilled, onRejected)\n then: function then(onFulfilled, onRejected) {\n var reaction = newPromiseCapability(speciesConstructor(this, $Promise));\n reaction.ok = typeof onFulfilled == 'function' ? onFulfilled : true;\n reaction.fail = typeof onRejected == 'function' && onRejected;\n reaction.domain = isNode ? process.domain : undefined;\n this._c.push(reaction);\n if (this._a) this._a.push(reaction);\n if (this._s) notify(this, false);\n return reaction.promise;\n },\n // 25.4.5.1 Promise.prototype.catch(onRejected)\n 'catch': function (onRejected) {\n return this.then(undefined, onRejected);\n }\n });\n OwnPromiseCapability = function () {\n var promise = new Internal();\n this.promise = promise;\n this.resolve = ctx($resolve, promise, 1);\n this.reject = ctx($reject, promise, 1);\n };\n newPromiseCapabilityModule.f = newPromiseCapability = function (C) {\n return C === $Promise || C === Wrapper\n ? new OwnPromiseCapability(C)\n : newGenericPromiseCapability(C);\n };\n}\n\n$export($export.G + $export.W + $export.F * !USE_NATIVE, { Promise: $Promise });\nrequire('./_set-to-string-tag')($Promise, PROMISE);\nrequire('./_set-species')(PROMISE);\nWrapper = require('./_core')[PROMISE];\n\n// statics\n$export($export.S + $export.F * !USE_NATIVE, PROMISE, {\n // 25.4.4.5 Promise.reject(r)\n reject: function reject(r) {\n var capability = newPromiseCapability(this);\n var $$reject = capability.reject;\n $$reject(r);\n return capability.promise;\n }\n});\n$export($export.S + $export.F * (LIBRARY || !USE_NATIVE), PROMISE, {\n // 25.4.4.6 Promise.resolve(x)\n resolve: function resolve(x) {\n return promiseResolve(LIBRARY && this === Wrapper ? $Promise : this, x);\n }\n});\n$export($export.S + $export.F * !(USE_NATIVE && require('./_iter-detect')(function (iter) {\n $Promise.all(iter)['catch'](empty);\n})), PROMISE, {\n // 25.4.4.1 Promise.all(iterable)\n all: function all(iterable) {\n var C = this;\n var capability = newPromiseCapability(C);\n var resolve = capability.resolve;\n var reject = capability.reject;\n var result = perform(function () {\n var values = [];\n var index = 0;\n var remaining = 1;\n forOf(iterable, false, function (promise) {\n var $index = index++;\n var alreadyCalled = false;\n values.push(undefined);\n remaining++;\n C.resolve(promise).then(function (value) {\n if (alreadyCalled) return;\n alreadyCalled = true;\n values[$index] = value;\n --remaining || resolve(values);\n }, reject);\n });\n --remaining || resolve(values);\n });\n if (result.e) reject(result.v);\n return capability.promise;\n },\n // 25.4.4.4 Promise.race(iterable)\n race: function race(iterable) {\n var C = this;\n var capability = newPromiseCapability(C);\n var reject = capability.reject;\n var result = perform(function () {\n forOf(iterable, false, function (promise) {\n C.resolve(promise).then(capability.resolve, reject);\n });\n });\n if (result.e) reject(result.v);\n return capability.promise;\n }\n});\n","module.exports = function (it, Constructor, name, forbiddenField) {\n if (!(it instanceof Constructor) || (forbiddenField !== undefined && forbiddenField in it)) {\n throw TypeError(name + ': incorrect invocation!');\n } return it;\n};\n","var ctx = require('./_ctx');\nvar call = require('./_iter-call');\nvar isArrayIter = require('./_is-array-iter');\nvar anObject = require('./_an-object');\nvar toLength = require('./_to-length');\nvar getIterFn = require('./core.get-iterator-method');\nvar BREAK = {};\nvar RETURN = {};\nvar exports = module.exports = function (iterable, entries, fn, that, ITERATOR) {\n var iterFn = ITERATOR ? function () { return iterable; } : getIterFn(iterable);\n var f = ctx(fn, that, entries ? 2 : 1);\n var index = 0;\n var length, step, iterator, result;\n if (typeof iterFn != 'function') throw TypeError(iterable + ' is not iterable!');\n // fast case for arrays with default iterator\n if (isArrayIter(iterFn)) for (length = toLength(iterable.length); length > index; index++) {\n result = entries ? f(anObject(step = iterable[index])[0], step[1]) : f(iterable[index]);\n if (result === BREAK || result === RETURN) return result;\n } else for (iterator = iterFn.call(iterable); !(step = iterator.next()).done;) {\n result = call(iterator, f, step.value, entries);\n if (result === BREAK || result === RETURN) return result;\n }\n};\nexports.BREAK = BREAK;\nexports.RETURN = RETURN;\n","// call something on iterator step with safe closing on error\nvar anObject = require('./_an-object');\nmodule.exports = function (iterator, fn, value, entries) {\n try {\n return entries ? fn(anObject(value)[0], value[1]) : fn(value);\n // 7.4.6 IteratorClose(iterator, completion)\n } catch (e) {\n var ret = iterator['return'];\n if (ret !== undefined) anObject(ret.call(iterator));\n throw e;\n }\n};\n","// check on default Array iterator\nvar Iterators = require('./_iterators');\nvar ITERATOR = require('./_wks')('iterator');\nvar ArrayProto = Array.prototype;\n\nmodule.exports = function (it) {\n return it !== undefined && (Iterators.Array === it || ArrayProto[ITERATOR] === it);\n};\n","var classof = require('./_classof');\nvar ITERATOR = require('./_wks')('iterator');\nvar Iterators = require('./_iterators');\nmodule.exports = require('./_core').getIteratorMethod = function (it) {\n if (it != undefined) return it[ITERATOR]\n || it['@@iterator']\n || Iterators[classof(it)];\n};\n","// 7.3.20 SpeciesConstructor(O, defaultConstructor)\nvar anObject = require('./_an-object');\nvar aFunction = require('./_a-function');\nvar SPECIES = require('./_wks')('species');\nmodule.exports = function (O, D) {\n var C = anObject(O).constructor;\n var S;\n return C === undefined || (S = anObject(C)[SPECIES]) == undefined ? D : aFunction(S);\n};\n","var ctx = require('./_ctx');\nvar invoke = require('./_invoke');\nvar html = require('./_html');\nvar cel = require('./_dom-create');\nvar global = require('./_global');\nvar process = global.process;\nvar setTask = global.setImmediate;\nvar clearTask = global.clearImmediate;\nvar MessageChannel = global.MessageChannel;\nvar Dispatch = global.Dispatch;\nvar counter = 0;\nvar queue = {};\nvar ONREADYSTATECHANGE = 'onreadystatechange';\nvar defer, channel, port;\nvar run = function () {\n var id = +this;\n // eslint-disable-next-line no-prototype-builtins\n if (queue.hasOwnProperty(id)) {\n var fn = queue[id];\n delete queue[id];\n fn();\n }\n};\nvar listener = function (event) {\n run.call(event.data);\n};\n// Node.js 0.9+ & IE10+ has setImmediate, otherwise:\nif (!setTask || !clearTask) {\n setTask = function setImmediate(fn) {\n var args = [];\n var i = 1;\n while (arguments.length > i) args.push(arguments[i++]);\n queue[++counter] = function () {\n // eslint-disable-next-line no-new-func\n invoke(typeof fn == 'function' ? fn : Function(fn), args);\n };\n defer(counter);\n return counter;\n };\n clearTask = function clearImmediate(id) {\n delete queue[id];\n };\n // Node.js 0.8-\n if (require('./_cof')(process) == 'process') {\n defer = function (id) {\n process.nextTick(ctx(run, id, 1));\n };\n // Sphere (JS game engine) Dispatch API\n } else if (Dispatch && Dispatch.now) {\n defer = function (id) {\n Dispatch.now(ctx(run, id, 1));\n };\n // Browsers with MessageChannel, includes WebWorkers\n } else if (MessageChannel) {\n channel = new MessageChannel();\n port = channel.port2;\n channel.port1.onmessage = listener;\n defer = ctx(port.postMessage, port, 1);\n // Browsers with postMessage, skip WebWorkers\n // IE8 has postMessage, but it's sync & typeof its postMessage is 'object'\n } else if (global.addEventListener && typeof postMessage == 'function' && !global.importScripts) {\n defer = function (id) {\n global.postMessage(id + '', '*');\n };\n global.addEventListener('message', listener, false);\n // IE8-\n } else if (ONREADYSTATECHANGE in cel('script')) {\n defer = function (id) {\n html.appendChild(cel('script'))[ONREADYSTATECHANGE] = function () {\n html.removeChild(this);\n run.call(id);\n };\n };\n // Rest old browsers\n } else {\n defer = function (id) {\n setTimeout(ctx(run, id, 1), 0);\n };\n }\n}\nmodule.exports = {\n set: setTask,\n clear: clearTask\n};\n","// fast apply, http://jsperf.lnkit.com/fast-apply/5\nmodule.exports = function (fn, args, that) {\n var un = that === undefined;\n switch (args.length) {\n case 0: return un ? fn()\n : fn.call(that);\n case 1: return un ? fn(args[0])\n : fn.call(that, args[0]);\n case 2: return un ? fn(args[0], args[1])\n : fn.call(that, args[0], args[1]);\n case 3: return un ? fn(args[0], args[1], args[2])\n : fn.call(that, args[0], args[1], args[2]);\n case 4: return un ? fn(args[0], args[1], args[2], args[3])\n : fn.call(that, args[0], args[1], args[2], args[3]);\n } return fn.apply(that, args);\n};\n","var global = require('./_global');\nvar macrotask = require('./_task').set;\nvar Observer = global.MutationObserver || global.WebKitMutationObserver;\nvar process = global.process;\nvar Promise = global.Promise;\nvar isNode = require('./_cof')(process) == 'process';\n\nmodule.exports = function () {\n var head, last, notify;\n\n var flush = function () {\n var parent, fn;\n if (isNode && (parent = process.domain)) parent.exit();\n while (head) {\n fn = head.fn;\n head = head.next;\n try {\n fn();\n } catch (e) {\n if (head) notify();\n else last = undefined;\n throw e;\n }\n } last = undefined;\n if (parent) parent.enter();\n };\n\n // Node.js\n if (isNode) {\n notify = function () {\n process.nextTick(flush);\n };\n // browsers with MutationObserver, except iOS Safari - https://github.com/zloirock/core-js/issues/339\n } else if (Observer && !(global.navigator && global.navigator.standalone)) {\n var toggle = true;\n var node = document.createTextNode('');\n new Observer(flush).observe(node, { characterData: true }); // eslint-disable-line no-new\n notify = function () {\n node.data = toggle = !toggle;\n };\n // environments with maybe non-completely correct, but existent Promise\n } else if (Promise && Promise.resolve) {\n // Promise.resolve without an argument throws an error in LG WebOS 2\n var promise = Promise.resolve(undefined);\n notify = function () {\n promise.then(flush);\n };\n // for other environments - macrotask based on:\n // - setImmediate\n // - MessageChannel\n // - window.postMessag\n // - onreadystatechange\n // - setTimeout\n } else {\n notify = function () {\n // strange IE + webpack dev server bug - use .call(global)\n macrotask.call(global, flush);\n };\n }\n\n return function (fn) {\n var task = { fn: fn, next: undefined };\n if (last) last.next = task;\n if (!head) {\n head = task;\n notify();\n } last = task;\n };\n};\n","'use strict';\n// 25.4.1.5 NewPromiseCapability(C)\nvar aFunction = require('./_a-function');\n\nfunction PromiseCapability(C) {\n var resolve, reject;\n this.promise = new C(function ($$resolve, $$reject) {\n if (resolve !== undefined || reject !== undefined) throw TypeError('Bad Promise constructor');\n resolve = $$resolve;\n reject = $$reject;\n });\n this.resolve = aFunction(resolve);\n this.reject = aFunction(reject);\n}\n\nmodule.exports.f = function (C) {\n return new PromiseCapability(C);\n};\n","module.exports = function (exec) {\n try {\n return { e: false, v: exec() };\n } catch (e) {\n return { e: true, v: e };\n }\n};\n","var global = require('./_global');\nvar navigator = global.navigator;\n\nmodule.exports = navigator && navigator.userAgent || '';\n","var anObject = require('./_an-object');\nvar isObject = require('./_is-object');\nvar newPromiseCapability = require('./_new-promise-capability');\n\nmodule.exports = function (C, x) {\n anObject(C);\n if (isObject(x) && x.constructor === C) return x;\n var promiseCapability = newPromiseCapability.f(C);\n var resolve = promiseCapability.resolve;\n resolve(x);\n return promiseCapability.promise;\n};\n","var redefine = require('./_redefine');\nmodule.exports = function (target, src, safe) {\n for (var key in src) redefine(target, key, src[key], safe);\n return target;\n};\n","'use strict';\nvar global = require('./_global');\nvar dP = require('./_object-dp');\nvar DESCRIPTORS = require('./_descriptors');\nvar SPECIES = require('./_wks')('species');\n\nmodule.exports = function (KEY) {\n var C = global[KEY];\n if (DESCRIPTORS && C && !C[SPECIES]) dP.f(C, SPECIES, {\n configurable: true,\n get: function () { return this; }\n });\n};\n","var ITERATOR = require('./_wks')('iterator');\nvar SAFE_CLOSING = false;\n\ntry {\n var riter = [7][ITERATOR]();\n riter['return'] = function () { SAFE_CLOSING = true; };\n // eslint-disable-next-line no-throw-literal\n Array.from(riter, function () { throw 2; });\n} catch (e) { /* empty */ }\n\nmodule.exports = function (exec, skipClosing) {\n if (!skipClosing && !SAFE_CLOSING) return false;\n var safe = false;\n try {\n var arr = [7];\n var iter = arr[ITERATOR]();\n iter.next = function () { return { done: safe = true }; };\n arr[ITERATOR] = function () { return iter; };\n exec(arr);\n } catch (e) { /* empty */ }\n return safe;\n};\n","// https://github.com/tc39/proposal-promise-finally\n'use strict';\nvar $export = require('./_export');\nvar core = require('./_core');\nvar global = require('./_global');\nvar speciesConstructor = require('./_species-constructor');\nvar promiseResolve = require('./_promise-resolve');\n\n$export($export.P + $export.R, 'Promise', { 'finally': function (onFinally) {\n var C = speciesConstructor(this, core.Promise || global.Promise);\n var isFunction = typeof onFinally == 'function';\n return this.then(\n isFunction ? function (x) {\n return promiseResolve(C, onFinally()).then(function () { return x; });\n } : onFinally,\n isFunction ? function (e) {\n return promiseResolve(C, onFinally()).then(function () { throw e; });\n } : onFinally\n );\n} });\n","'use strict';\n// https://github.com/tc39/proposal-promise-try\nvar $export = require('./_export');\nvar newPromiseCapability = require('./_new-promise-capability');\nvar perform = require('./_perform');\n\n$export($export.S, 'Promise', { 'try': function (callbackfn) {\n var promiseCapability = newPromiseCapability.f(this);\n var result = perform(callbackfn);\n (result.e ? promiseCapability.reject : promiseCapability.resolve)(result.v);\n return promiseCapability.promise;\n} });\n","require('../modules/es6.object.to-string');\nrequire('../modules/web.dom.iterable');\nrequire('../modules/es6.weak-map');\nrequire('../modules/es7.weak-map.of');\nrequire('../modules/es7.weak-map.from');\nmodule.exports = require('../modules/_core').WeakMap;\n","'use strict';\nvar each = require('./_array-methods')(0);\nvar redefine = require('./_redefine');\nvar meta = require('./_meta');\nvar assign = require('./_object-assign');\nvar weak = require('./_collection-weak');\nvar isObject = require('./_is-object');\nvar fails = require('./_fails');\nvar validate = require('./_validate-collection');\nvar WEAK_MAP = 'WeakMap';\nvar getWeak = meta.getWeak;\nvar isExtensible = Object.isExtensible;\nvar uncaughtFrozenStore = weak.ufstore;\nvar tmp = {};\nvar InternalMap;\n\nvar wrapper = function (get) {\n return function WeakMap() {\n return get(this, arguments.length > 0 ? arguments[0] : undefined);\n };\n};\n\nvar methods = {\n // 23.3.3.3 WeakMap.prototype.get(key)\n get: function get(key) {\n if (isObject(key)) {\n var data = getWeak(key);\n if (data === true) return uncaughtFrozenStore(validate(this, WEAK_MAP)).get(key);\n return data ? data[this._i] : undefined;\n }\n },\n // 23.3.3.5 WeakMap.prototype.set(key, value)\n set: function set(key, value) {\n return weak.def(validate(this, WEAK_MAP), key, value);\n }\n};\n\n// 23.3 WeakMap Objects\nvar $WeakMap = module.exports = require('./_collection')(WEAK_MAP, wrapper, methods, weak, true, true);\n\n// IE11 WeakMap frozen keys fix\nif (fails(function () { return new $WeakMap().set((Object.freeze || Object)(tmp), 7).get(tmp) != 7; })) {\n InternalMap = weak.getConstructor(wrapper, WEAK_MAP);\n assign(InternalMap.prototype, methods);\n meta.NEED = true;\n each(['delete', 'has', 'get', 'set'], function (key) {\n var proto = $WeakMap.prototype;\n var method = proto[key];\n redefine(proto, key, function (a, b) {\n // store frozen objects on internal weakmap shim\n if (isObject(a) && !isExtensible(a)) {\n if (!this._f) this._f = new InternalMap();\n var result = this._f[key](a, b);\n return key == 'set' ? this : result;\n // store all the rest on native weakmap\n } return method.call(this, a, b);\n });\n });\n}\n","// 0 -> Array#forEach\n// 1 -> Array#map\n// 2 -> Array#filter\n// 3 -> Array#some\n// 4 -> Array#every\n// 5 -> Array#find\n// 6 -> Array#findIndex\nvar ctx = require('./_ctx');\nvar IObject = require('./_iobject');\nvar toObject = require('./_to-object');\nvar toLength = require('./_to-length');\nvar asc = require('./_array-species-create');\nmodule.exports = function (TYPE, $create) {\n var IS_MAP = TYPE == 1;\n var IS_FILTER = TYPE == 2;\n var IS_SOME = TYPE == 3;\n var IS_EVERY = TYPE == 4;\n var IS_FIND_INDEX = TYPE == 6;\n var NO_HOLES = TYPE == 5 || IS_FIND_INDEX;\n var create = $create || asc;\n return function ($this, callbackfn, that) {\n var O = toObject($this);\n var self = IObject(O);\n var f = ctx(callbackfn, that, 3);\n var length = toLength(self.length);\n var index = 0;\n var result = IS_MAP ? create($this, length) : IS_FILTER ? create($this, 0) : undefined;\n var val, res;\n for (;length > index; index++) if (NO_HOLES || index in self) {\n val = self[index];\n res = f(val, index, O);\n if (TYPE) {\n if (IS_MAP) result[index] = res; // map\n else if (res) switch (TYPE) {\n case 3: return true; // some\n case 5: return val; // find\n case 6: return index; // findIndex\n case 2: result.push(val); // filter\n } else if (IS_EVERY) return false; // every\n }\n }\n return IS_FIND_INDEX ? -1 : IS_SOME || IS_EVERY ? IS_EVERY : result;\n };\n};\n","// 9.4.2.3 ArraySpeciesCreate(originalArray, length)\nvar speciesConstructor = require('./_array-species-constructor');\n\nmodule.exports = function (original, length) {\n return new (speciesConstructor(original))(length);\n};\n","var isObject = require('./_is-object');\nvar isArray = require('./_is-array');\nvar SPECIES = require('./_wks')('species');\n\nmodule.exports = function (original) {\n var C;\n if (isArray(original)) {\n C = original.constructor;\n // cross-realm fallback\n if (typeof C == 'function' && (C === Array || isArray(C.prototype))) C = undefined;\n if (isObject(C)) {\n C = C[SPECIES];\n if (C === null) C = undefined;\n }\n } return C === undefined ? Array : C;\n};\n","// 7.2.2 IsArray(argument)\nvar cof = require('./_cof');\nmodule.exports = Array.isArray || function isArray(arg) {\n return cof(arg) == 'Array';\n};\n","var META = require('./_uid')('meta');\nvar isObject = require('./_is-object');\nvar has = require('./_has');\nvar setDesc = require('./_object-dp').f;\nvar id = 0;\nvar isExtensible = Object.isExtensible || function () {\n return true;\n};\nvar FREEZE = !require('./_fails')(function () {\n return isExtensible(Object.preventExtensions({}));\n});\nvar setMeta = function (it) {\n setDesc(it, META, { value: {\n i: 'O' + ++id, // object ID\n w: {} // weak collections IDs\n } });\n};\nvar fastKey = function (it, create) {\n // return primitive with prefix\n if (!isObject(it)) return typeof it == 'symbol' ? it : (typeof it == 'string' ? 'S' : 'P') + it;\n if (!has(it, META)) {\n // can't set metadata to uncaught frozen object\n if (!isExtensible(it)) return 'F';\n // not necessary to add metadata\n if (!create) return 'E';\n // add missing metadata\n setMeta(it);\n // return object ID\n } return it[META].i;\n};\nvar getWeak = function (it, create) {\n if (!has(it, META)) {\n // can't set metadata to uncaught frozen object\n if (!isExtensible(it)) return true;\n // not necessary to add metadata\n if (!create) return false;\n // add missing metadata\n setMeta(it);\n // return hash weak collections IDs\n } return it[META].w;\n};\n// add metadata on freeze-family methods calling\nvar onFreeze = function (it) {\n if (FREEZE && meta.NEED && isExtensible(it) && !has(it, META)) setMeta(it);\n return it;\n};\nvar meta = module.exports = {\n KEY: META,\n NEED: false,\n fastKey: fastKey,\n getWeak: getWeak,\n onFreeze: onFreeze\n};\n","'use strict';\nvar redefineAll = require('./_redefine-all');\nvar getWeak = require('./_meta').getWeak;\nvar anObject = require('./_an-object');\nvar isObject = require('./_is-object');\nvar anInstance = require('./_an-instance');\nvar forOf = require('./_for-of');\nvar createArrayMethod = require('./_array-methods');\nvar $has = require('./_has');\nvar validate = require('./_validate-collection');\nvar arrayFind = createArrayMethod(5);\nvar arrayFindIndex = createArrayMethod(6);\nvar id = 0;\n\n// fallback for uncaught frozen keys\nvar uncaughtFrozenStore = function (that) {\n return that._l || (that._l = new UncaughtFrozenStore());\n};\nvar UncaughtFrozenStore = function () {\n this.a = [];\n};\nvar findUncaughtFrozen = function (store, key) {\n return arrayFind(store.a, function (it) {\n return it[0] === key;\n });\n};\nUncaughtFrozenStore.prototype = {\n get: function (key) {\n var entry = findUncaughtFrozen(this, key);\n if (entry) return entry[1];\n },\n has: function (key) {\n return !!findUncaughtFrozen(this, key);\n },\n set: function (key, value) {\n var entry = findUncaughtFrozen(this, key);\n if (entry) entry[1] = value;\n else this.a.push([key, value]);\n },\n 'delete': function (key) {\n var index = arrayFindIndex(this.a, function (it) {\n return it[0] === key;\n });\n if (~index) this.a.splice(index, 1);\n return !!~index;\n }\n};\n\nmodule.exports = {\n getConstructor: function (wrapper, NAME, IS_MAP, ADDER) {\n var C = wrapper(function (that, iterable) {\n anInstance(that, C, NAME, '_i');\n that._t = NAME; // collection type\n that._i = id++; // collection id\n that._l = undefined; // leak store for uncaught frozen objects\n if (iterable != undefined) forOf(iterable, IS_MAP, that[ADDER], that);\n });\n redefineAll(C.prototype, {\n // 23.3.3.2 WeakMap.prototype.delete(key)\n // 23.4.3.3 WeakSet.prototype.delete(value)\n 'delete': function (key) {\n if (!isObject(key)) return false;\n var data = getWeak(key);\n if (data === true) return uncaughtFrozenStore(validate(this, NAME))['delete'](key);\n return data && $has(data, this._i) && delete data[this._i];\n },\n // 23.3.3.4 WeakMap.prototype.has(key)\n // 23.4.3.4 WeakSet.prototype.has(value)\n has: function has(key) {\n if (!isObject(key)) return false;\n var data = getWeak(key);\n if (data === true) return uncaughtFrozenStore(validate(this, NAME)).has(key);\n return data && $has(data, this._i);\n }\n });\n return C;\n },\n def: function (that, key, value) {\n var data = getWeak(anObject(key), true);\n if (data === true) uncaughtFrozenStore(that).set(key, value);\n else data[that._i] = value;\n return that;\n },\n ufstore: uncaughtFrozenStore\n};\n","var isObject = require('./_is-object');\nmodule.exports = function (it, TYPE) {\n if (!isObject(it) || it._t !== TYPE) throw TypeError('Incompatible receiver, ' + TYPE + ' required!');\n return it;\n};\n","'use strict';\nvar global = require('./_global');\nvar $export = require('./_export');\nvar redefine = require('./_redefine');\nvar redefineAll = require('./_redefine-all');\nvar meta = require('./_meta');\nvar forOf = require('./_for-of');\nvar anInstance = require('./_an-instance');\nvar isObject = require('./_is-object');\nvar fails = require('./_fails');\nvar $iterDetect = require('./_iter-detect');\nvar setToStringTag = require('./_set-to-string-tag');\nvar inheritIfRequired = require('./_inherit-if-required');\n\nmodule.exports = function (NAME, wrapper, methods, common, IS_MAP, IS_WEAK) {\n var Base = global[NAME];\n var C = Base;\n var ADDER = IS_MAP ? 'set' : 'add';\n var proto = C && C.prototype;\n var O = {};\n var fixMethod = function (KEY) {\n var fn = proto[KEY];\n redefine(proto, KEY,\n KEY == 'delete' ? function (a) {\n return IS_WEAK && !isObject(a) ? false : fn.call(this, a === 0 ? 0 : a);\n } : KEY == 'has' ? function has(a) {\n return IS_WEAK && !isObject(a) ? false : fn.call(this, a === 0 ? 0 : a);\n } : KEY == 'get' ? function get(a) {\n return IS_WEAK && !isObject(a) ? undefined : fn.call(this, a === 0 ? 0 : a);\n } : KEY == 'add' ? function add(a) { fn.call(this, a === 0 ? 0 : a); return this; }\n : function set(a, b) { fn.call(this, a === 0 ? 0 : a, b); return this; }\n );\n };\n if (typeof C != 'function' || !(IS_WEAK || proto.forEach && !fails(function () {\n new C().entries().next();\n }))) {\n // create collection constructor\n C = common.getConstructor(wrapper, NAME, IS_MAP, ADDER);\n redefineAll(C.prototype, methods);\n meta.NEED = true;\n } else {\n var instance = new C();\n // early implementations not supports chaining\n var HASNT_CHAINING = instance[ADDER](IS_WEAK ? {} : -0, 1) != instance;\n // V8 ~ Chromium 40- weak-collections throws on primitives, but should return false\n var THROWS_ON_PRIMITIVES = fails(function () { instance.has(1); });\n // most early implementations doesn't supports iterables, most modern - not close it correctly\n var ACCEPT_ITERABLES = $iterDetect(function (iter) { new C(iter); }); // eslint-disable-line no-new\n // for early implementations -0 and +0 not the same\n var BUGGY_ZERO = !IS_WEAK && fails(function () {\n // V8 ~ Chromium 42- fails only with 5+ elements\n var $instance = new C();\n var index = 5;\n while (index--) $instance[ADDER](index, index);\n return !$instance.has(-0);\n });\n if (!ACCEPT_ITERABLES) {\n C = wrapper(function (target, iterable) {\n anInstance(target, C, NAME);\n var that = inheritIfRequired(new Base(), target, C);\n if (iterable != undefined) forOf(iterable, IS_MAP, that[ADDER], that);\n return that;\n });\n C.prototype = proto;\n proto.constructor = C;\n }\n if (THROWS_ON_PRIMITIVES || BUGGY_ZERO) {\n fixMethod('delete');\n fixMethod('has');\n IS_MAP && fixMethod('get');\n }\n if (BUGGY_ZERO || HASNT_CHAINING) fixMethod(ADDER);\n // weak collections should not contains .clear method\n if (IS_WEAK && proto.clear) delete proto.clear;\n }\n\n setToStringTag(C, NAME);\n\n O[NAME] = C;\n $export($export.G + $export.W + $export.F * (C != Base), O);\n\n if (!IS_WEAK) common.setStrong(C, NAME, IS_MAP);\n\n return C;\n};\n","var isObject = require('./_is-object');\nvar setPrototypeOf = require('./_set-proto').set;\nmodule.exports = function (that, target, C) {\n var S = target.constructor;\n var P;\n if (S !== C && typeof S == 'function' && (P = S.prototype) !== C.prototype && isObject(P) && setPrototypeOf) {\n setPrototypeOf(that, P);\n } return that;\n};\n","// Works with __proto__ only. Old v8 can't work with null proto objects.\n/* eslint-disable no-proto */\nvar isObject = require('./_is-object');\nvar anObject = require('./_an-object');\nvar check = function (O, proto) {\n anObject(O);\n if (!isObject(proto) && proto !== null) throw TypeError(proto + \": can't set as prototype!\");\n};\nmodule.exports = {\n set: Object.setPrototypeOf || ('__proto__' in {} ? // eslint-disable-line\n function (test, buggy, set) {\n try {\n set = require('./_ctx')(Function.call, require('./_object-gopd').f(Object.prototype, '__proto__').set, 2);\n set(test, []);\n buggy = !(test instanceof Array);\n } catch (e) { buggy = true; }\n return function setPrototypeOf(O, proto) {\n check(O, proto);\n if (buggy) O.__proto__ = proto;\n else set(O, proto);\n return O;\n };\n }({}, false) : undefined),\n check: check\n};\n","var pIE = require('./_object-pie');\nvar createDesc = require('./_property-desc');\nvar toIObject = require('./_to-iobject');\nvar toPrimitive = require('./_to-primitive');\nvar has = require('./_has');\nvar IE8_DOM_DEFINE = require('./_ie8-dom-define');\nvar gOPD = Object.getOwnPropertyDescriptor;\n\nexports.f = require('./_descriptors') ? gOPD : function getOwnPropertyDescriptor(O, P) {\n O = toIObject(O);\n P = toPrimitive(P, true);\n if (IE8_DOM_DEFINE) try {\n return gOPD(O, P);\n } catch (e) { /* empty */ }\n if (has(O, P)) return createDesc(!pIE.f.call(O, P), O[P]);\n};\n","// https://tc39.github.io/proposal-setmap-offrom/#sec-weakmap.of\nrequire('./_set-collection-of')('WeakMap');\n","'use strict';\n// https://tc39.github.io/proposal-setmap-offrom/\nvar $export = require('./_export');\n\nmodule.exports = function (COLLECTION) {\n $export($export.S, COLLECTION, { of: function of() {\n var length = arguments.length;\n var A = new Array(length);\n while (length--) A[length] = arguments[length];\n return new this(A);\n } });\n};\n","// https://tc39.github.io/proposal-setmap-offrom/#sec-weakmap.from\nrequire('./_set-collection-from')('WeakMap');\n","'use strict';\n// https://tc39.github.io/proposal-setmap-offrom/\nvar $export = require('./_export');\nvar aFunction = require('./_a-function');\nvar ctx = require('./_ctx');\nvar forOf = require('./_for-of');\n\nmodule.exports = function (COLLECTION) {\n $export($export.S, COLLECTION, { from: function from(source /* , mapFn, thisArg */) {\n var mapFn = arguments[1];\n var mapping, A, n, cb;\n aFunction(this);\n mapping = mapFn !== undefined;\n if (mapping) aFunction(mapFn);\n if (source == undefined) return new this();\n A = [];\n if (mapping) {\n n = 0;\n cb = ctx(mapFn, arguments[2], 2);\n forOf(source, false, function (nextItem) {\n A.push(cb(nextItem, n++));\n });\n } else {\n forOf(source, false, A.push, A);\n }\n return new this(A);\n } });\n};\n","require('../../modules/es6.string.code-point-at');\nmodule.exports = require('../../modules/_core').String.codePointAt;\n","'use strict';\nvar $export = require('./_export');\nvar $at = require('./_string-at')(false);\n$export($export.P, 'String', {\n // 21.1.3.3 String.prototype.codePointAt(pos)\n codePointAt: function codePointAt(pos) {\n return $at(this, pos);\n }\n});\n","require('../../modules/es6.string.from-code-point');\nmodule.exports = require('../../modules/_core').String.fromCodePoint;\n","var $export = require('./_export');\nvar toAbsoluteIndex = require('./_to-absolute-index');\nvar fromCharCode = String.fromCharCode;\nvar $fromCodePoint = String.fromCodePoint;\n\n// length should be 1, old FF problem\n$export($export.S + $export.F * (!!$fromCodePoint && $fromCodePoint.length != 1), 'String', {\n // 21.1.2.2 String.fromCodePoint(...codePoints)\n fromCodePoint: function fromCodePoint(x) { // eslint-disable-line no-unused-vars\n var res = [];\n var aLen = arguments.length;\n var i = 0;\n var code;\n while (aLen > i) {\n code = +arguments[i++];\n if (toAbsoluteIndex(code, 0x10ffff) !== code) throw RangeError(code + ' is not a valid code point');\n res.push(code < 0x10000\n ? fromCharCode(code)\n : fromCharCode(((code -= 0x10000) >> 10) + 0xd800, code % 0x400 + 0xdc00)\n );\n } return res.join('');\n }\n});\n","require('../modules/es6.symbol');\nrequire('../modules/es6.object.to-string');\nmodule.exports = require('../modules/_core').Symbol;\n","'use strict';\n// ECMAScript 6 symbols shim\nvar global = require('./_global');\nvar has = require('./_has');\nvar DESCRIPTORS = require('./_descriptors');\nvar $export = require('./_export');\nvar redefine = require('./_redefine');\nvar META = require('./_meta').KEY;\nvar $fails = require('./_fails');\nvar shared = require('./_shared');\nvar setToStringTag = require('./_set-to-string-tag');\nvar uid = require('./_uid');\nvar wks = require('./_wks');\nvar wksExt = require('./_wks-ext');\nvar wksDefine = require('./_wks-define');\nvar enumKeys = require('./_enum-keys');\nvar isArray = require('./_is-array');\nvar anObject = require('./_an-object');\nvar isObject = require('./_is-object');\nvar toIObject = require('./_to-iobject');\nvar toPrimitive = require('./_to-primitive');\nvar createDesc = require('./_property-desc');\nvar _create = require('./_object-create');\nvar gOPNExt = require('./_object-gopn-ext');\nvar $GOPD = require('./_object-gopd');\nvar $DP = require('./_object-dp');\nvar $keys = require('./_object-keys');\nvar gOPD = $GOPD.f;\nvar dP = $DP.f;\nvar gOPN = gOPNExt.f;\nvar $Symbol = global.Symbol;\nvar $JSON = global.JSON;\nvar _stringify = $JSON && $JSON.stringify;\nvar PROTOTYPE = 'prototype';\nvar HIDDEN = wks('_hidden');\nvar TO_PRIMITIVE = wks('toPrimitive');\nvar isEnum = {}.propertyIsEnumerable;\nvar SymbolRegistry = shared('symbol-registry');\nvar AllSymbols = shared('symbols');\nvar OPSymbols = shared('op-symbols');\nvar ObjectProto = Object[PROTOTYPE];\nvar USE_NATIVE = typeof $Symbol == 'function';\nvar QObject = global.QObject;\n// Don't use setters in Qt Script, https://github.com/zloirock/core-js/issues/173\nvar setter = !QObject || !QObject[PROTOTYPE] || !QObject[PROTOTYPE].findChild;\n\n// fallback for old Android, https://code.google.com/p/v8/issues/detail?id=687\nvar setSymbolDesc = DESCRIPTORS && $fails(function () {\n return _create(dP({}, 'a', {\n get: function () { return dP(this, 'a', { value: 7 }).a; }\n })).a != 7;\n}) ? function (it, key, D) {\n var protoDesc = gOPD(ObjectProto, key);\n if (protoDesc) delete ObjectProto[key];\n dP(it, key, D);\n if (protoDesc && it !== ObjectProto) dP(ObjectProto, key, protoDesc);\n} : dP;\n\nvar wrap = function (tag) {\n var sym = AllSymbols[tag] = _create($Symbol[PROTOTYPE]);\n sym._k = tag;\n return sym;\n};\n\nvar isSymbol = USE_NATIVE && typeof $Symbol.iterator == 'symbol' ? function (it) {\n return typeof it == 'symbol';\n} : function (it) {\n return it instanceof $Symbol;\n};\n\nvar $defineProperty = function defineProperty(it, key, D) {\n if (it === ObjectProto) $defineProperty(OPSymbols, key, D);\n anObject(it);\n key = toPrimitive(key, true);\n anObject(D);\n if (has(AllSymbols, key)) {\n if (!D.enumerable) {\n if (!has(it, HIDDEN)) dP(it, HIDDEN, createDesc(1, {}));\n it[HIDDEN][key] = true;\n } else {\n if (has(it, HIDDEN) && it[HIDDEN][key]) it[HIDDEN][key] = false;\n D = _create(D, { enumerable: createDesc(0, false) });\n } return setSymbolDesc(it, key, D);\n } return dP(it, key, D);\n};\nvar $defineProperties = function defineProperties(it, P) {\n anObject(it);\n var keys = enumKeys(P = toIObject(P));\n var i = 0;\n var l = keys.length;\n var key;\n while (l > i) $defineProperty(it, key = keys[i++], P[key]);\n return it;\n};\nvar $create = function create(it, P) {\n return P === undefined ? _create(it) : $defineProperties(_create(it), P);\n};\nvar $propertyIsEnumerable = function propertyIsEnumerable(key) {\n var E = isEnum.call(this, key = toPrimitive(key, true));\n if (this === ObjectProto && has(AllSymbols, key) && !has(OPSymbols, key)) return false;\n return E || !has(this, key) || !has(AllSymbols, key) || has(this, HIDDEN) && this[HIDDEN][key] ? E : true;\n};\nvar $getOwnPropertyDescriptor = function getOwnPropertyDescriptor(it, key) {\n it = toIObject(it);\n key = toPrimitive(key, true);\n if (it === ObjectProto && has(AllSymbols, key) && !has(OPSymbols, key)) return;\n var D = gOPD(it, key);\n if (D && has(AllSymbols, key) && !(has(it, HIDDEN) && it[HIDDEN][key])) D.enumerable = true;\n return D;\n};\nvar $getOwnPropertyNames = function getOwnPropertyNames(it) {\n var names = gOPN(toIObject(it));\n var result = [];\n var i = 0;\n var key;\n while (names.length > i) {\n if (!has(AllSymbols, key = names[i++]) && key != HIDDEN && key != META) result.push(key);\n } return result;\n};\nvar $getOwnPropertySymbols = function getOwnPropertySymbols(it) {\n var IS_OP = it === ObjectProto;\n var names = gOPN(IS_OP ? OPSymbols : toIObject(it));\n var result = [];\n var i = 0;\n var key;\n while (names.length > i) {\n if (has(AllSymbols, key = names[i++]) && (IS_OP ? has(ObjectProto, key) : true)) result.push(AllSymbols[key]);\n } return result;\n};\n\n// 19.4.1.1 Symbol([description])\nif (!USE_NATIVE) {\n $Symbol = function Symbol() {\n if (this instanceof $Symbol) throw TypeError('Symbol is not a constructor!');\n var tag = uid(arguments.length > 0 ? arguments[0] : undefined);\n var $set = function (value) {\n if (this === ObjectProto) $set.call(OPSymbols, value);\n if (has(this, HIDDEN) && has(this[HIDDEN], tag)) this[HIDDEN][tag] = false;\n setSymbolDesc(this, tag, createDesc(1, value));\n };\n if (DESCRIPTORS && setter) setSymbolDesc(ObjectProto, tag, { configurable: true, set: $set });\n return wrap(tag);\n };\n redefine($Symbol[PROTOTYPE], 'toString', function toString() {\n return this._k;\n });\n\n $GOPD.f = $getOwnPropertyDescriptor;\n $DP.f = $defineProperty;\n require('./_object-gopn').f = gOPNExt.f = $getOwnPropertyNames;\n require('./_object-pie').f = $propertyIsEnumerable;\n require('./_object-gops').f = $getOwnPropertySymbols;\n\n if (DESCRIPTORS && !require('./_library')) {\n redefine(ObjectProto, 'propertyIsEnumerable', $propertyIsEnumerable, true);\n }\n\n wksExt.f = function (name) {\n return wrap(wks(name));\n };\n}\n\n$export($export.G + $export.W + $export.F * !USE_NATIVE, { Symbol: $Symbol });\n\nfor (var es6Symbols = (\n // 19.4.2.2, 19.4.2.3, 19.4.2.4, 19.4.2.6, 19.4.2.8, 19.4.2.9, 19.4.2.10, 19.4.2.11, 19.4.2.12, 19.4.2.13, 19.4.2.14\n 'hasInstance,isConcatSpreadable,iterator,match,replace,search,species,split,toPrimitive,toStringTag,unscopables'\n).split(','), j = 0; es6Symbols.length > j;)wks(es6Symbols[j++]);\n\nfor (var wellKnownSymbols = $keys(wks.store), k = 0; wellKnownSymbols.length > k;) wksDefine(wellKnownSymbols[k++]);\n\n$export($export.S + $export.F * !USE_NATIVE, 'Symbol', {\n // 19.4.2.1 Symbol.for(key)\n 'for': function (key) {\n return has(SymbolRegistry, key += '')\n ? SymbolRegistry[key]\n : SymbolRegistry[key] = $Symbol(key);\n },\n // 19.4.2.5 Symbol.keyFor(sym)\n keyFor: function keyFor(sym) {\n if (!isSymbol(sym)) throw TypeError(sym + ' is not a symbol!');\n for (var key in SymbolRegistry) if (SymbolRegistry[key] === sym) return key;\n },\n useSetter: function () { setter = true; },\n useSimple: function () { setter = false; }\n});\n\n$export($export.S + $export.F * !USE_NATIVE, 'Object', {\n // 19.1.2.2 Object.create(O [, Properties])\n create: $create,\n // 19.1.2.4 Object.defineProperty(O, P, Attributes)\n defineProperty: $defineProperty,\n // 19.1.2.3 Object.defineProperties(O, Properties)\n defineProperties: $defineProperties,\n // 19.1.2.6 Object.getOwnPropertyDescriptor(O, P)\n getOwnPropertyDescriptor: $getOwnPropertyDescriptor,\n // 19.1.2.7 Object.getOwnPropertyNames(O)\n getOwnPropertyNames: $getOwnPropertyNames,\n // 19.1.2.8 Object.getOwnPropertySymbols(O)\n getOwnPropertySymbols: $getOwnPropertySymbols\n});\n\n// 24.3.2 JSON.stringify(value [, replacer [, space]])\n$JSON && $export($export.S + $export.F * (!USE_NATIVE || $fails(function () {\n var S = $Symbol();\n // MS Edge converts symbol values to JSON as {}\n // WebKit converts symbol values to JSON as null\n // V8 throws on boxed symbols\n return _stringify([S]) != '[null]' || _stringify({ a: S }) != '{}' || _stringify(Object(S)) != '{}';\n})), 'JSON', {\n stringify: function stringify(it) {\n var args = [it];\n var i = 1;\n var replacer, $replacer;\n while (arguments.length > i) args.push(arguments[i++]);\n $replacer = replacer = args[1];\n if (!isObject(replacer) && it === undefined || isSymbol(it)) return; // IE8 returns string on undefined\n if (!isArray(replacer)) replacer = function (key, value) {\n if (typeof $replacer == 'function') value = $replacer.call(this, key, value);\n if (!isSymbol(value)) return value;\n };\n args[1] = replacer;\n return _stringify.apply($JSON, args);\n }\n});\n\n// 19.4.3.4 Symbol.prototype[@@toPrimitive](hint)\n$Symbol[PROTOTYPE][TO_PRIMITIVE] || require('./_hide')($Symbol[PROTOTYPE], TO_PRIMITIVE, $Symbol[PROTOTYPE].valueOf);\n// 19.4.3.5 Symbol.prototype[@@toStringTag]\nsetToStringTag($Symbol, 'Symbol');\n// 20.2.1.9 Math[@@toStringTag]\nsetToStringTag(Math, 'Math', true);\n// 24.3.3 JSON[@@toStringTag]\nsetToStringTag(global.JSON, 'JSON', true);\n","exports.f = require('./_wks');\n","var global = require('./_global');\nvar core = require('./_core');\nvar LIBRARY = require('./_library');\nvar wksExt = require('./_wks-ext');\nvar defineProperty = require('./_object-dp').f;\nmodule.exports = function (name) {\n var $Symbol = core.Symbol || (core.Symbol = LIBRARY ? {} : global.Symbol || {});\n if (name.charAt(0) != '_' && !(name in $Symbol)) defineProperty($Symbol, name, { value: wksExt.f(name) });\n};\n","// all enumerable object keys, includes symbols\nvar getKeys = require('./_object-keys');\nvar gOPS = require('./_object-gops');\nvar pIE = require('./_object-pie');\nmodule.exports = function (it) {\n var result = getKeys(it);\n var getSymbols = gOPS.f;\n if (getSymbols) {\n var symbols = getSymbols(it);\n var isEnum = pIE.f;\n var i = 0;\n var key;\n while (symbols.length > i) if (isEnum.call(it, key = symbols[i++])) result.push(key);\n } return result;\n};\n","// fallback for IE11 buggy Object.getOwnPropertyNames with iframe and window\nvar toIObject = require('./_to-iobject');\nvar gOPN = require('./_object-gopn').f;\nvar toString = {}.toString;\n\nvar windowNames = typeof window == 'object' && window && Object.getOwnPropertyNames\n ? Object.getOwnPropertyNames(window) : [];\n\nvar getWindowNames = function (it) {\n try {\n return gOPN(it);\n } catch (e) {\n return windowNames.slice();\n }\n};\n\nmodule.exports.f = function getOwnPropertyNames(it) {\n return windowNames && toString.call(it) == '[object Window]' ? getWindowNames(it) : gOPN(toIObject(it));\n};\n","// 19.1.2.7 / 15.2.3.4 Object.getOwnPropertyNames(O)\nvar $keys = require('./_object-keys-internal');\nvar hiddenKeys = require('./_enum-bug-keys').concat('length', 'prototype');\n\nexports.f = Object.getOwnPropertyNames || function getOwnPropertyNames(O) {\n return $keys(O, hiddenKeys);\n};\n","require('../../modules/es7.object.values');\nmodule.exports = require('../../modules/_core').Object.values;\n","// https://github.com/tc39/proposal-object-values-entries\nvar $export = require('./_export');\nvar $values = require('./_object-to-array')(false);\n\n$export($export.S, 'Object', {\n values: function values(it) {\n return $values(it);\n }\n});\n","var getKeys = require('./_object-keys');\nvar toIObject = require('./_to-iobject');\nvar isEnum = require('./_object-pie').f;\nmodule.exports = function (isEntries) {\n return function (it) {\n var O = toIObject(it);\n var keys = getKeys(O);\n var length = keys.length;\n var i = 0;\n var result = [];\n var key;\n while (length > i) if (isEnum.call(O, key = keys[i++])) {\n result.push(isEntries ? [key, O[key]] : O[key]);\n } return result;\n };\n};\n","/* Copyright 2017 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* eslint-disable no-restricted-globals */\n\nlet isReadableStreamSupported = false;\nif (typeof ReadableStream !== 'undefined') {\n // MS Edge may say it has ReadableStream but they are not up to spec yet.\n try {\n // eslint-disable-next-line no-new\n new ReadableStream({\n start(controller) {\n controller.close();\n },\n });\n isReadableStreamSupported = true;\n } catch (e) {\n // The ReadableStream constructor cannot be used.\n }\n}\nif (isReadableStreamSupported) {\n exports.ReadableStream = ReadableStream;\n} else {\n if (typeof PDFJSDev !== 'undefined' && PDFJSDev.test('IMAGE_DECODERS')) {\n class DummyReadableStream {\n constructor() {\n throw new Error('The current image decoders are synchronous, ' +\n 'hence `ReadableStream` shouldn\\'t need to be ' +\n 'polyfilled for the IMAGE_DECODERS build target.');\n }\n }\n exports.ReadableStream = DummyReadableStream;\n } else {\n exports.ReadableStream =\n require('../../external/streams/streams-lib').ReadableStream;\n }\n}\n","/*\n * To the extent possible under law, the authors have dedicated all copyright\n * and related and neighboring rights to this software to the public\n * domain worldwide. This software is distributed without any warranty.\n *\n * You should have received a copy of the CC0 Public Domain Dedication along\n * with this software. If not, see https://creativecommons.org/publicdomain/zero/1.0/.\n */\n\n(function(e, a) { for(var i in a) e[i] = a[i]; }(exports, /******/ (function(modules) { // webpackBootstrap\n/******/ // The module cache\n/******/ var installedModules = {};\n/******/\n/******/ // The require function\n/******/ function __w_pdfjs_require__(moduleId) {\n/******/\n/******/ // Check if module is in cache\n/******/ if(installedModules[moduleId])\n/******/ return installedModules[moduleId].exports;\n/******/\n/******/ // Create a new module (and put it into the cache)\n/******/ var module = installedModules[moduleId] = {\n/******/ i: moduleId,\n/******/ l: false,\n/******/ exports: {}\n/******/ };\n/******/\n/******/ // Execute the module function\n/******/ modules[moduleId].call(module.exports, module, module.exports, __w_pdfjs_require__);\n/******/\n/******/ // Flag the module as loaded\n/******/ module.l = true;\n/******/\n/******/ // Return the exports of the module\n/******/ return module.exports;\n/******/ }\n/******/\n/******/\n/******/ // expose the modules object (__webpack_modules__)\n/******/ __w_pdfjs_require__.m = modules;\n/******/\n/******/ // expose the module cache\n/******/ __w_pdfjs_require__.c = installedModules;\n/******/\n/******/ // identity function for calling harmony imports with the correct context\n/******/ __w_pdfjs_require__.i = function(value) { return value; };\n/******/\n/******/ // define getter function for harmony exports\n/******/ __w_pdfjs_require__.d = function(exports, name, getter) {\n/******/ if(!__w_pdfjs_require__.o(exports, name)) {\n/******/ Object.defineProperty(exports, name, {\n/******/ configurable: false,\n/******/ enumerable: true,\n/******/ get: getter\n/******/ });\n/******/ }\n/******/ };\n/******/\n/******/ // getDefaultExport function for compatibility with non-harmony modules\n/******/ __w_pdfjs_require__.n = function(module) {\n/******/ var getter = module && module.__esModule ?\n/******/ function getDefault() { return module['default']; } :\n/******/ function getModuleExports() { return module; };\n/******/ __w_pdfjs_require__.d(getter, 'a', getter);\n/******/ return getter;\n/******/ };\n/******/\n/******/ // Object.prototype.hasOwnProperty.call\n/******/ __w_pdfjs_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };\n/******/\n/******/ // __webpack_public_path__\n/******/ __w_pdfjs_require__.p = \"\";\n/******/\n/******/ // Load entry module and return exports\n/******/ return __w_pdfjs_require__(__w_pdfjs_require__.s = 7);\n/******/ })\n/************************************************************************/\n/******/ ([\n/* 0 */\n/***/ (function(module, exports, __w_pdfjs_require__) {\n\n\"use strict\";\n\n\nvar _typeof = typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; };\n\nvar _require = __w_pdfjs_require__(1),\n assert = _require.assert;\n\nfunction IsPropertyKey(argument) {\n return typeof argument === 'string' || (typeof argument === 'undefined' ? 'undefined' : _typeof(argument)) === 'symbol';\n}\n\nexports.typeIsObject = function (x) {\n return (typeof x === 'undefined' ? 'undefined' : _typeof(x)) === 'object' && x !== null || typeof x === 'function';\n};\n\nexports.createDataProperty = function (o, p, v) {\n assert(exports.typeIsObject(o));\n Object.defineProperty(o, p, { value: v, writable: true, enumerable: true, configurable: true });\n};\n\nexports.createArrayFromList = function (elements) {\n // We use arrays to represent lists, so this is basically a no-op.\n // Do a slice though just in case we happen to depend on the unique-ness.\n return elements.slice();\n};\n\nexports.ArrayBufferCopy = function (dest, destOffset, src, srcOffset, n) {\n new Uint8Array(dest).set(new Uint8Array(src, srcOffset, n), destOffset);\n};\n\nexports.CreateIterResultObject = function (value, done) {\n assert(typeof done === 'boolean');\n var obj = {};\n Object.defineProperty(obj, 'value', { value: value, enumerable: true, writable: true, configurable: true });\n Object.defineProperty(obj, 'done', { value: done, enumerable: true, writable: true, configurable: true });\n return obj;\n};\n\nexports.IsFiniteNonNegativeNumber = function (v) {\n if (Number.isNaN(v)) {\n return false;\n }\n if (v === Infinity) {\n return false;\n }\n if (v < 0) {\n return false;\n }\n\n return true;\n};\n\nfunction Call(F, V, args) {\n if (typeof F !== 'function') {\n throw new TypeError('Argument is not a function');\n }\n\n return Function.prototype.apply.call(F, V, args);\n}\n\nexports.InvokeOrNoop = function (O, P, args) {\n assert(O !== undefined);\n assert(IsPropertyKey(P));\n assert(Array.isArray(args));\n\n var method = O[P];\n if (method === undefined) {\n return undefined;\n }\n\n return Call(method, O, args);\n};\n\nexports.PromiseInvokeOrNoop = function (O, P, args) {\n assert(O !== undefined);\n assert(IsPropertyKey(P));\n assert(Array.isArray(args));\n try {\n return Promise.resolve(exports.InvokeOrNoop(O, P, args));\n } catch (returnValueE) {\n return Promise.reject(returnValueE);\n }\n};\n\nexports.PromiseInvokeOrPerformFallback = function (O, P, args, F, argsF) {\n assert(O !== undefined);\n assert(IsPropertyKey(P));\n assert(Array.isArray(args));\n assert(Array.isArray(argsF));\n\n var method = void 0;\n try {\n method = O[P];\n } catch (methodE) {\n return Promise.reject(methodE);\n }\n\n if (method === undefined) {\n return F.apply(null, argsF);\n }\n\n try {\n return Promise.resolve(Call(method, O, args));\n } catch (e) {\n return Promise.reject(e);\n }\n};\n\n// Not implemented correctly\nexports.TransferArrayBuffer = function (O) {\n return O.slice();\n};\n\nexports.ValidateAndNormalizeHighWaterMark = function (highWaterMark) {\n highWaterMark = Number(highWaterMark);\n if (Number.isNaN(highWaterMark) || highWaterMark < 0) {\n throw new RangeError('highWaterMark property of a queuing strategy must be non-negative and non-NaN');\n }\n\n return highWaterMark;\n};\n\nexports.ValidateAndNormalizeQueuingStrategy = function (size, highWaterMark) {\n if (size !== undefined && typeof size !== 'function') {\n throw new TypeError('size property of a queuing strategy must be a function');\n }\n\n highWaterMark = exports.ValidateAndNormalizeHighWaterMark(highWaterMark);\n\n return { size: size, highWaterMark: highWaterMark };\n};\n\n/***/ }),\n/* 1 */\n/***/ (function(module, exports, __w_pdfjs_require__) {\n\n\"use strict\";\n\n\nfunction rethrowAssertionErrorRejection(e) {\n // Used throughout the reference implementation, as `.catch(rethrowAssertionErrorRejection)`, to ensure any errors\n // get shown. There are places in the spec where we do promise transformations and purposefully ignore or don't\n // expect any errors, but assertion errors are always problematic.\n if (e && e.constructor === AssertionError) {\n setTimeout(function () {\n throw e;\n }, 0);\n }\n};\n\nfunction AssertionError(message) {\n this.name = 'AssertionError';\n this.message = message || '';\n this.stack = new Error().stack;\n}\nAssertionError.prototype = Object.create(Error.prototype);\nAssertionError.prototype.constructor = AssertionError;\n\nfunction assert(value, message) {\n if (!value) {\n throw new AssertionError(message);\n }\n}\n\nmodule.exports = {\n rethrowAssertionErrorRejection: rethrowAssertionErrorRejection,\n AssertionError: AssertionError,\n assert: assert\n};\n\n/***/ }),\n/* 2 */\n/***/ (function(module, exports, __w_pdfjs_require__) {\n\n\"use strict\";\n\n\nvar _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nvar _require = __w_pdfjs_require__(0),\n InvokeOrNoop = _require.InvokeOrNoop,\n PromiseInvokeOrNoop = _require.PromiseInvokeOrNoop,\n ValidateAndNormalizeQueuingStrategy = _require.ValidateAndNormalizeQueuingStrategy,\n typeIsObject = _require.typeIsObject;\n\nvar _require2 = __w_pdfjs_require__(1),\n assert = _require2.assert,\n rethrowAssertionErrorRejection = _require2.rethrowAssertionErrorRejection;\n\nvar _require3 = __w_pdfjs_require__(3),\n DequeueValue = _require3.DequeueValue,\n EnqueueValueWithSize = _require3.EnqueueValueWithSize,\n PeekQueueValue = _require3.PeekQueueValue,\n ResetQueue = _require3.ResetQueue;\n\nvar WritableStream = function () {\n function WritableStream() {\n var underlyingSink = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};\n\n var _ref = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {},\n size = _ref.size,\n _ref$highWaterMark = _ref.highWaterMark,\n highWaterMark = _ref$highWaterMark === undefined ? 1 : _ref$highWaterMark;\n\n _classCallCheck(this, WritableStream);\n\n this._state = 'writable';\n\n // The error that will be reported by new method calls once the state becomes errored. Only set when [[state]] is\n // 'erroring' or 'errored'. May be set to an undefined value.\n this._storedError = undefined;\n\n this._writer = undefined;\n\n // Initialize to undefined first because the constructor of the controller checks this\n // variable to validate the caller.\n this._writableStreamController = undefined;\n\n // This queue is placed here instead of the writer class in order to allow for passing a writer to the next data\n // producer without waiting for the queued writes to finish.\n this._writeRequests = [];\n\n // Write requests are removed from _writeRequests when write() is called on the underlying sink. This prevents\n // them from being erroneously rejected on error. If a write() call is in-flight, the request is stored here.\n this._inFlightWriteRequest = undefined;\n\n // The promise that was returned from writer.close(). Stored here because it may be fulfilled after the writer\n // has been detached.\n this._closeRequest = undefined;\n\n // Close request is removed from _closeRequest when close() is called on the underlying sink. This prevents it\n // from being erroneously rejected on error. If a close() call is in-flight, the request is stored here.\n this._inFlightCloseRequest = undefined;\n\n // The promise that was returned from writer.abort(). This may also be fulfilled after the writer has detached.\n this._pendingAbortRequest = undefined;\n\n // The backpressure signal set by the controller.\n this._backpressure = false;\n\n var type = underlyingSink.type;\n\n if (type !== undefined) {\n throw new RangeError('Invalid type is specified');\n }\n\n this._writableStreamController = new WritableStreamDefaultController(this, underlyingSink, size, highWaterMark);\n this._writableStreamController.__startSteps();\n }\n\n _createClass(WritableStream, [{\n key: 'abort',\n value: function abort(reason) {\n if (IsWritableStream(this) === false) {\n return Promise.reject(streamBrandCheckException('abort'));\n }\n\n if (IsWritableStreamLocked(this) === true) {\n return Promise.reject(new TypeError('Cannot abort a stream that already has a writer'));\n }\n\n return WritableStreamAbort(this, reason);\n }\n }, {\n key: 'getWriter',\n value: function getWriter() {\n if (IsWritableStream(this) === false) {\n throw streamBrandCheckException('getWriter');\n }\n\n return AcquireWritableStreamDefaultWriter(this);\n }\n }, {\n key: 'locked',\n get: function get() {\n if (IsWritableStream(this) === false) {\n throw streamBrandCheckException('locked');\n }\n\n return IsWritableStreamLocked(this);\n }\n }]);\n\n return WritableStream;\n}();\n\nmodule.exports = {\n AcquireWritableStreamDefaultWriter: AcquireWritableStreamDefaultWriter,\n IsWritableStream: IsWritableStream,\n IsWritableStreamLocked: IsWritableStreamLocked,\n WritableStream: WritableStream,\n WritableStreamAbort: WritableStreamAbort,\n WritableStreamDefaultControllerError: WritableStreamDefaultControllerError,\n WritableStreamDefaultWriterCloseWithErrorPropagation: WritableStreamDefaultWriterCloseWithErrorPropagation,\n WritableStreamDefaultWriterRelease: WritableStreamDefaultWriterRelease,\n WritableStreamDefaultWriterWrite: WritableStreamDefaultWriterWrite,\n WritableStreamCloseQueuedOrInFlight: WritableStreamCloseQueuedOrInFlight\n};\n\n// Abstract operations for the WritableStream.\n\nfunction AcquireWritableStreamDefaultWriter(stream) {\n return new WritableStreamDefaultWriter(stream);\n}\n\nfunction IsWritableStream(x) {\n if (!typeIsObject(x)) {\n return false;\n }\n\n if (!Object.prototype.hasOwnProperty.call(x, '_writableStreamController')) {\n return false;\n }\n\n return true;\n}\n\nfunction IsWritableStreamLocked(stream) {\n assert(IsWritableStream(stream) === true, 'IsWritableStreamLocked should only be used on known writable streams');\n\n if (stream._writer === undefined) {\n return false;\n }\n\n return true;\n}\n\nfunction WritableStreamAbort(stream, reason) {\n var state = stream._state;\n if (state === 'closed') {\n return Promise.resolve(undefined);\n }\n if (state === 'errored') {\n return Promise.reject(stream._storedError);\n }\n var error = new TypeError('Requested to abort');\n if (stream._pendingAbortRequest !== undefined) {\n return Promise.reject(error);\n }\n\n assert(state === 'writable' || state === 'erroring', 'state must be writable or erroring');\n\n var wasAlreadyErroring = false;\n if (state === 'erroring') {\n wasAlreadyErroring = true;\n // reason will not be used, so don't keep a reference to it.\n reason = undefined;\n }\n\n var promise = new Promise(function (resolve, reject) {\n stream._pendingAbortRequest = {\n _resolve: resolve,\n _reject: reject,\n _reason: reason,\n _wasAlreadyErroring: wasAlreadyErroring\n };\n });\n\n if (wasAlreadyErroring === false) {\n WritableStreamStartErroring(stream, error);\n }\n\n return promise;\n}\n\n// WritableStream API exposed for controllers.\n\nfunction WritableStreamAddWriteRequest(stream) {\n assert(IsWritableStreamLocked(stream) === true);\n assert(stream._state === 'writable');\n\n var promise = new Promise(function (resolve, reject) {\n var writeRequest = {\n _resolve: resolve,\n _reject: reject\n };\n\n stream._writeRequests.push(writeRequest);\n });\n\n return promise;\n}\n\nfunction WritableStreamDealWithRejection(stream, error) {\n var state = stream._state;\n\n if (state === 'writable') {\n WritableStreamStartErroring(stream, error);\n return;\n }\n\n assert(state === 'erroring');\n WritableStreamFinishErroring(stream);\n}\n\nfunction WritableStreamStartErroring(stream, reason) {\n assert(stream._storedError === undefined, 'stream._storedError === undefined');\n assert(stream._state === 'writable', 'state must be writable');\n\n var controller = stream._writableStreamController;\n assert(controller !== undefined, 'controller must not be undefined');\n\n stream._state = 'erroring';\n stream._storedError = reason;\n var writer = stream._writer;\n if (writer !== undefined) {\n WritableStreamDefaultWriterEnsureReadyPromiseRejected(writer, reason);\n }\n\n if (WritableStreamHasOperationMarkedInFlight(stream) === false && controller._started === true) {\n WritableStreamFinishErroring(stream);\n }\n}\n\nfunction WritableStreamFinishErroring(stream) {\n assert(stream._state === 'erroring', 'stream._state === erroring');\n assert(WritableStreamHasOperationMarkedInFlight(stream) === false, 'WritableStreamHasOperationMarkedInFlight(stream) === false');\n stream._state = 'errored';\n stream._writableStreamController.__errorSteps();\n\n var storedError = stream._storedError;\n for (var i = 0; i < stream._writeRequests.length; i++) {\n var writeRequest = stream._writeRequests[i];\n writeRequest._reject(storedError);\n }\n stream._writeRequests = [];\n\n if (stream._pendingAbortRequest === undefined) {\n WritableStreamRejectCloseAndClosedPromiseIfNeeded(stream);\n return;\n }\n\n var abortRequest = stream._pendingAbortRequest;\n stream._pendingAbortRequest = undefined;\n\n if (abortRequest._wasAlreadyErroring === true) {\n abortRequest._reject(storedError);\n WritableStreamRejectCloseAndClosedPromiseIfNeeded(stream);\n return;\n }\n\n var promise = stream._writableStreamController.__abortSteps(abortRequest._reason);\n promise.then(function () {\n abortRequest._resolve();\n WritableStreamRejectCloseAndClosedPromiseIfNeeded(stream);\n }, function (reason) {\n abortRequest._reject(reason);\n WritableStreamRejectCloseAndClosedPromiseIfNeeded(stream);\n });\n}\n\nfunction WritableStreamFinishInFlightWrite(stream) {\n assert(stream._inFlightWriteRequest !== undefined);\n stream._inFlightWriteRequest._resolve(undefined);\n stream._inFlightWriteRequest = undefined;\n}\n\nfunction WritableStreamFinishInFlightWriteWithError(stream, error) {\n assert(stream._inFlightWriteRequest !== undefined);\n stream._inFlightWriteRequest._reject(error);\n stream._inFlightWriteRequest = undefined;\n\n assert(stream._state === 'writable' || stream._state === 'erroring');\n\n WritableStreamDealWithRejection(stream, error);\n}\n\nfunction WritableStreamFinishInFlightClose(stream) {\n assert(stream._inFlightCloseRequest !== undefined);\n stream._inFlightCloseRequest._resolve(undefined);\n stream._inFlightCloseRequest = undefined;\n\n var state = stream._state;\n\n assert(state === 'writable' || state === 'erroring');\n\n if (state === 'erroring') {\n // The error was too late to do anything, so it is ignored.\n stream._storedError = undefined;\n if (stream._pendingAbortRequest !== undefined) {\n stream._pendingAbortRequest._resolve();\n stream._pendingAbortRequest = undefined;\n }\n }\n\n stream._state = 'closed';\n\n var writer = stream._writer;\n if (writer !== undefined) {\n defaultWriterClosedPromiseResolve(writer);\n }\n\n assert(stream._pendingAbortRequest === undefined, 'stream._pendingAbortRequest === undefined');\n assert(stream._storedError === undefined, 'stream._storedError === undefined');\n}\n\nfunction WritableStreamFinishInFlightCloseWithError(stream, error) {\n assert(stream._inFlightCloseRequest !== undefined);\n stream._inFlightCloseRequest._reject(error);\n stream._inFlightCloseRequest = undefined;\n\n assert(stream._state === 'writable' || stream._state === 'erroring');\n\n // Never execute sink abort() after sink close().\n if (stream._pendingAbortRequest !== undefined) {\n stream._pendingAbortRequest._reject(error);\n stream._pendingAbortRequest = undefined;\n }\n WritableStreamDealWithRejection(stream, error);\n}\n\n// TODO(ricea): Fix alphabetical order.\nfunction WritableStreamCloseQueuedOrInFlight(stream) {\n if (stream._closeRequest === undefined && stream._inFlightCloseRequest === undefined) {\n return false;\n }\n\n return true;\n}\n\nfunction WritableStreamHasOperationMarkedInFlight(stream) {\n if (stream._inFlightWriteRequest === undefined && stream._inFlightCloseRequest === undefined) {\n return false;\n }\n\n return true;\n}\n\nfunction WritableStreamMarkCloseRequestInFlight(stream) {\n assert(stream._inFlightCloseRequest === undefined);\n assert(stream._closeRequest !== undefined);\n stream._inFlightCloseRequest = stream._closeRequest;\n stream._closeRequest = undefined;\n}\n\nfunction WritableStreamMarkFirstWriteRequestInFlight(stream) {\n assert(stream._inFlightWriteRequest === undefined, 'there must be no pending write request');\n assert(stream._writeRequests.length !== 0, 'writeRequests must not be empty');\n stream._inFlightWriteRequest = stream._writeRequests.shift();\n}\n\nfunction WritableStreamRejectCloseAndClosedPromiseIfNeeded(stream) {\n assert(stream._state === 'errored', '_stream_.[[state]] is `\"errored\"`');\n if (stream._closeRequest !== undefined) {\n assert(stream._inFlightCloseRequest === undefined);\n\n stream._closeRequest._reject(stream._storedError);\n stream._closeRequest = undefined;\n }\n var writer = stream._writer;\n if (writer !== undefined) {\n defaultWriterClosedPromiseReject(writer, stream._storedError);\n writer._closedPromise.catch(function () {});\n }\n}\n\nfunction WritableStreamUpdateBackpressure(stream, backpressure) {\n assert(stream._state === 'writable');\n assert(WritableStreamCloseQueuedOrInFlight(stream) === false);\n\n var writer = stream._writer;\n if (writer !== undefined && backpressure !== stream._backpressure) {\n if (backpressure === true) {\n defaultWriterReadyPromiseReset(writer);\n } else {\n assert(backpressure === false);\n\n defaultWriterReadyPromiseResolve(writer);\n }\n }\n\n stream._backpressure = backpressure;\n}\n\nvar WritableStreamDefaultWriter = function () {\n function WritableStreamDefaultWriter(stream) {\n _classCallCheck(this, WritableStreamDefaultWriter);\n\n if (IsWritableStream(stream) === false) {\n throw new TypeError('WritableStreamDefaultWriter can only be constructed with a WritableStream instance');\n }\n if (IsWritableStreamLocked(stream) === true) {\n throw new TypeError('This stream has already been locked for exclusive writing by another writer');\n }\n\n this._ownerWritableStream = stream;\n stream._writer = this;\n\n var state = stream._state;\n\n if (state === 'writable') {\n if (WritableStreamCloseQueuedOrInFlight(stream) === false && stream._backpressure === true) {\n defaultWriterReadyPromiseInitialize(this);\n } else {\n defaultWriterReadyPromiseInitializeAsResolved(this);\n }\n\n defaultWriterClosedPromiseInitialize(this);\n } else if (state === 'erroring') {\n defaultWriterReadyPromiseInitializeAsRejected(this, stream._storedError);\n this._readyPromise.catch(function () {});\n defaultWriterClosedPromiseInitialize(this);\n } else if (state === 'closed') {\n defaultWriterReadyPromiseInitializeAsResolved(this);\n defaultWriterClosedPromiseInitializeAsResolved(this);\n } else {\n assert(state === 'errored', 'state must be errored');\n\n var storedError = stream._storedError;\n defaultWriterReadyPromiseInitializeAsRejected(this, storedError);\n this._readyPromise.catch(function () {});\n defaultWriterClosedPromiseInitializeAsRejected(this, storedError);\n this._closedPromise.catch(function () {});\n }\n }\n\n _createClass(WritableStreamDefaultWriter, [{\n key: 'abort',\n value: function abort(reason) {\n if (IsWritableStreamDefaultWriter(this) === false) {\n return Promise.reject(defaultWriterBrandCheckException('abort'));\n }\n\n if (this._ownerWritableStream === undefined) {\n return Promise.reject(defaultWriterLockException('abort'));\n }\n\n return WritableStreamDefaultWriterAbort(this, reason);\n }\n }, {\n key: 'close',\n value: function close() {\n if (IsWritableStreamDefaultWriter(this) === false) {\n return Promise.reject(defaultWriterBrandCheckException('close'));\n }\n\n var stream = this._ownerWritableStream;\n\n if (stream === undefined) {\n return Promise.reject(defaultWriterLockException('close'));\n }\n\n if (WritableStreamCloseQueuedOrInFlight(stream) === true) {\n return Promise.reject(new TypeError('cannot close an already-closing stream'));\n }\n\n return WritableStreamDefaultWriterClose(this);\n }\n }, {\n key: 'releaseLock',\n value: function releaseLock() {\n if (IsWritableStreamDefaultWriter(this) === false) {\n throw defaultWriterBrandCheckException('releaseLock');\n }\n\n var stream = this._ownerWritableStream;\n\n if (stream === undefined) {\n return;\n }\n\n assert(stream._writer !== undefined);\n\n WritableStreamDefaultWriterRelease(this);\n }\n }, {\n key: 'write',\n value: function write(chunk) {\n if (IsWritableStreamDefaultWriter(this) === false) {\n return Promise.reject(defaultWriterBrandCheckException('write'));\n }\n\n if (this._ownerWritableStream === undefined) {\n return Promise.reject(defaultWriterLockException('write to'));\n }\n\n return WritableStreamDefaultWriterWrite(this, chunk);\n }\n }, {\n key: 'closed',\n get: function get() {\n if (IsWritableStreamDefaultWriter(this) === false) {\n return Promise.reject(defaultWriterBrandCheckException('closed'));\n }\n\n return this._closedPromise;\n }\n }, {\n key: 'desiredSize',\n get: function get() {\n if (IsWritableStreamDefaultWriter(this) === false) {\n throw defaultWriterBrandCheckException('desiredSize');\n }\n\n if (this._ownerWritableStream === undefined) {\n throw defaultWriterLockException('desiredSize');\n }\n\n return WritableStreamDefaultWriterGetDesiredSize(this);\n }\n }, {\n key: 'ready',\n get: function get() {\n if (IsWritableStreamDefaultWriter(this) === false) {\n return Promise.reject(defaultWriterBrandCheckException('ready'));\n }\n\n return this._readyPromise;\n }\n }]);\n\n return WritableStreamDefaultWriter;\n}();\n\n// Abstract operations for the WritableStreamDefaultWriter.\n\nfunction IsWritableStreamDefaultWriter(x) {\n if (!typeIsObject(x)) {\n return false;\n }\n\n if (!Object.prototype.hasOwnProperty.call(x, '_ownerWritableStream')) {\n return false;\n }\n\n return true;\n}\n\n// A client of WritableStreamDefaultWriter may use these functions directly to bypass state check.\n\nfunction WritableStreamDefaultWriterAbort(writer, reason) {\n var stream = writer._ownerWritableStream;\n\n assert(stream !== undefined);\n\n return WritableStreamAbort(stream, reason);\n}\n\nfunction WritableStreamDefaultWriterClose(writer) {\n var stream = writer._ownerWritableStream;\n\n assert(stream !== undefined);\n\n var state = stream._state;\n if (state === 'closed' || state === 'errored') {\n return Promise.reject(new TypeError('The stream (in ' + state + ' state) is not in the writable state and cannot be closed'));\n }\n\n assert(state === 'writable' || state === 'erroring');\n assert(WritableStreamCloseQueuedOrInFlight(stream) === false);\n\n var promise = new Promise(function (resolve, reject) {\n var closeRequest = {\n _resolve: resolve,\n _reject: reject\n };\n\n stream._closeRequest = closeRequest;\n });\n\n if (stream._backpressure === true && state === 'writable') {\n defaultWriterReadyPromiseResolve(writer);\n }\n\n WritableStreamDefaultControllerClose(stream._writableStreamController);\n\n return promise;\n}\n\nfunction WritableStreamDefaultWriterCloseWithErrorPropagation(writer) {\n var stream = writer._ownerWritableStream;\n\n assert(stream !== undefined);\n\n var state = stream._state;\n if (WritableStreamCloseQueuedOrInFlight(stream) === true || state === 'closed') {\n return Promise.resolve();\n }\n\n if (state === 'errored') {\n return Promise.reject(stream._storedError);\n }\n\n assert(state === 'writable' || state === 'erroring');\n\n return WritableStreamDefaultWriterClose(writer);\n}\n\nfunction WritableStreamDefaultWriterEnsureClosedPromiseRejected(writer, error) {\n if (writer._closedPromiseState === 'pending') {\n defaultWriterClosedPromiseReject(writer, error);\n } else {\n defaultWriterClosedPromiseResetToRejected(writer, error);\n }\n writer._closedPromise.catch(function () {});\n}\n\nfunction WritableStreamDefaultWriterEnsureReadyPromiseRejected(writer, error) {\n if (writer._readyPromiseState === 'pending') {\n defaultWriterReadyPromiseReject(writer, error);\n } else {\n defaultWriterReadyPromiseResetToRejected(writer, error);\n }\n writer._readyPromise.catch(function () {});\n}\n\nfunction WritableStreamDefaultWriterGetDesiredSize(writer) {\n var stream = writer._ownerWritableStream;\n var state = stream._state;\n\n if (state === 'errored' || state === 'erroring') {\n return null;\n }\n\n if (state === 'closed') {\n return 0;\n }\n\n return WritableStreamDefaultControllerGetDesiredSize(stream._writableStreamController);\n}\n\nfunction WritableStreamDefaultWriterRelease(writer) {\n var stream = writer._ownerWritableStream;\n assert(stream !== undefined);\n assert(stream._writer === writer);\n\n var releasedError = new TypeError('Writer was released and can no longer be used to monitor the stream\\'s closedness');\n\n WritableStreamDefaultWriterEnsureReadyPromiseRejected(writer, releasedError);\n\n // The state transitions to \"errored\" before the sink abort() method runs, but the writer.closed promise is not\n // rejected until afterwards. This means that simply testing state will not work.\n WritableStreamDefaultWriterEnsureClosedPromiseRejected(writer, releasedError);\n\n stream._writer = undefined;\n writer._ownerWritableStream = undefined;\n}\n\nfunction WritableStreamDefaultWriterWrite(writer, chunk) {\n var stream = writer._ownerWritableStream;\n\n assert(stream !== undefined);\n\n var controller = stream._writableStreamController;\n\n var chunkSize = WritableStreamDefaultControllerGetChunkSize(controller, chunk);\n\n if (stream !== writer._ownerWritableStream) {\n return Promise.reject(defaultWriterLockException('write to'));\n }\n\n var state = stream._state;\n if (state === 'errored') {\n return Promise.reject(stream._storedError);\n }\n if (WritableStreamCloseQueuedOrInFlight(stream) === true || state === 'closed') {\n return Promise.reject(new TypeError('The stream is closing or closed and cannot be written to'));\n }\n if (state === 'erroring') {\n return Promise.reject(stream._storedError);\n }\n\n assert(state === 'writable');\n\n var promise = WritableStreamAddWriteRequest(stream);\n\n WritableStreamDefaultControllerWrite(controller, chunk, chunkSize);\n\n return promise;\n}\n\nvar WritableStreamDefaultController = function () {\n function WritableStreamDefaultController(stream, underlyingSink, size, highWaterMark) {\n _classCallCheck(this, WritableStreamDefaultController);\n\n if (IsWritableStream(stream) === false) {\n throw new TypeError('WritableStreamDefaultController can only be constructed with a WritableStream instance');\n }\n\n if (stream._writableStreamController !== undefined) {\n throw new TypeError('WritableStreamDefaultController instances can only be created by the WritableStream constructor');\n }\n\n this._controlledWritableStream = stream;\n\n this._underlyingSink = underlyingSink;\n\n // Need to set the slots so that the assert doesn't fire. In the spec the slots already exist implicitly.\n this._queue = undefined;\n this._queueTotalSize = undefined;\n ResetQueue(this);\n\n this._started = false;\n\n var normalizedStrategy = ValidateAndNormalizeQueuingStrategy(size, highWaterMark);\n this._strategySize = normalizedStrategy.size;\n this._strategyHWM = normalizedStrategy.highWaterMark;\n\n var backpressure = WritableStreamDefaultControllerGetBackpressure(this);\n WritableStreamUpdateBackpressure(stream, backpressure);\n }\n\n _createClass(WritableStreamDefaultController, [{\n key: 'error',\n value: function error(e) {\n if (IsWritableStreamDefaultController(this) === false) {\n throw new TypeError('WritableStreamDefaultController.prototype.error can only be used on a WritableStreamDefaultController');\n }\n var state = this._controlledWritableStream._state;\n if (state !== 'writable') {\n // The stream is closed, errored or will be soon. The sink can't do anything useful if it gets an error here, so\n // just treat it as a no-op.\n return;\n }\n\n WritableStreamDefaultControllerError(this, e);\n }\n }, {\n key: '__abortSteps',\n value: function __abortSteps(reason) {\n return PromiseInvokeOrNoop(this._underlyingSink, 'abort', [reason]);\n }\n }, {\n key: '__errorSteps',\n value: function __errorSteps() {\n ResetQueue(this);\n }\n }, {\n key: '__startSteps',\n value: function __startSteps() {\n var _this = this;\n\n var startResult = InvokeOrNoop(this._underlyingSink, 'start', [this]);\n var stream = this._controlledWritableStream;\n\n Promise.resolve(startResult).then(function () {\n assert(stream._state === 'writable' || stream._state === 'erroring');\n _this._started = true;\n WritableStreamDefaultControllerAdvanceQueueIfNeeded(_this);\n }, function (r) {\n assert(stream._state === 'writable' || stream._state === 'erroring');\n _this._started = true;\n WritableStreamDealWithRejection(stream, r);\n }).catch(rethrowAssertionErrorRejection);\n }\n }]);\n\n return WritableStreamDefaultController;\n}();\n\n// Abstract operations implementing interface required by the WritableStream.\n\nfunction WritableStreamDefaultControllerClose(controller) {\n EnqueueValueWithSize(controller, 'close', 0);\n WritableStreamDefaultControllerAdvanceQueueIfNeeded(controller);\n}\n\nfunction WritableStreamDefaultControllerGetChunkSize(controller, chunk) {\n var strategySize = controller._strategySize;\n\n if (strategySize === undefined) {\n return 1;\n }\n\n try {\n return strategySize(chunk);\n } catch (chunkSizeE) {\n WritableStreamDefaultControllerErrorIfNeeded(controller, chunkSizeE);\n return 1;\n }\n}\n\nfunction WritableStreamDefaultControllerGetDesiredSize(controller) {\n return controller._strategyHWM - controller._queueTotalSize;\n}\n\nfunction WritableStreamDefaultControllerWrite(controller, chunk, chunkSize) {\n var writeRecord = { chunk: chunk };\n\n try {\n EnqueueValueWithSize(controller, writeRecord, chunkSize);\n } catch (enqueueE) {\n WritableStreamDefaultControllerErrorIfNeeded(controller, enqueueE);\n return;\n }\n\n var stream = controller._controlledWritableStream;\n if (WritableStreamCloseQueuedOrInFlight(stream) === false && stream._state === 'writable') {\n var backpressure = WritableStreamDefaultControllerGetBackpressure(controller);\n WritableStreamUpdateBackpressure(stream, backpressure);\n }\n\n WritableStreamDefaultControllerAdvanceQueueIfNeeded(controller);\n}\n\n// Abstract operations for the WritableStreamDefaultController.\n\nfunction IsWritableStreamDefaultController(x) {\n if (!typeIsObject(x)) {\n return false;\n }\n\n if (!Object.prototype.hasOwnProperty.call(x, '_underlyingSink')) {\n return false;\n }\n\n return true;\n}\n\nfunction WritableStreamDefaultControllerAdvanceQueueIfNeeded(controller) {\n var stream = controller._controlledWritableStream;\n\n if (controller._started === false) {\n return;\n }\n\n if (stream._inFlightWriteRequest !== undefined) {\n return;\n }\n\n var state = stream._state;\n if (state === 'closed' || state === 'errored') {\n return;\n }\n if (state === 'erroring') {\n WritableStreamFinishErroring(stream);\n return;\n }\n\n if (controller._queue.length === 0) {\n return;\n }\n\n var writeRecord = PeekQueueValue(controller);\n if (writeRecord === 'close') {\n WritableStreamDefaultControllerProcessClose(controller);\n } else {\n WritableStreamDefaultControllerProcessWrite(controller, writeRecord.chunk);\n }\n}\n\nfunction WritableStreamDefaultControllerErrorIfNeeded(controller, error) {\n if (controller._controlledWritableStream._state === 'writable') {\n WritableStreamDefaultControllerError(controller, error);\n }\n}\n\nfunction WritableStreamDefaultControllerProcessClose(controller) {\n var stream = controller._controlledWritableStream;\n\n WritableStreamMarkCloseRequestInFlight(stream);\n\n DequeueValue(controller);\n assert(controller._queue.length === 0, 'queue must be empty once the final write record is dequeued');\n\n var sinkClosePromise = PromiseInvokeOrNoop(controller._underlyingSink, 'close', []);\n sinkClosePromise.then(function () {\n WritableStreamFinishInFlightClose(stream);\n }, function (reason) {\n WritableStreamFinishInFlightCloseWithError(stream, reason);\n }).catch(rethrowAssertionErrorRejection);\n}\n\nfunction WritableStreamDefaultControllerProcessWrite(controller, chunk) {\n var stream = controller._controlledWritableStream;\n\n WritableStreamMarkFirstWriteRequestInFlight(stream);\n\n var sinkWritePromise = PromiseInvokeOrNoop(controller._underlyingSink, 'write', [chunk, controller]);\n sinkWritePromise.then(function () {\n WritableStreamFinishInFlightWrite(stream);\n\n var state = stream._state;\n assert(state === 'writable' || state === 'erroring');\n\n DequeueValue(controller);\n\n if (WritableStreamCloseQueuedOrInFlight(stream) === false && state === 'writable') {\n var backpressure = WritableStreamDefaultControllerGetBackpressure(controller);\n WritableStreamUpdateBackpressure(stream, backpressure);\n }\n\n WritableStreamDefaultControllerAdvanceQueueIfNeeded(controller);\n }, function (reason) {\n WritableStreamFinishInFlightWriteWithError(stream, reason);\n }).catch(rethrowAssertionErrorRejection);\n}\n\nfunction WritableStreamDefaultControllerGetBackpressure(controller) {\n var desiredSize = WritableStreamDefaultControllerGetDesiredSize(controller);\n return desiredSize <= 0;\n}\n\n// A client of WritableStreamDefaultController may use these functions directly to bypass state check.\n\nfunction WritableStreamDefaultControllerError(controller, error) {\n var stream = controller._controlledWritableStream;\n\n assert(stream._state === 'writable');\n\n WritableStreamStartErroring(stream, error);\n}\n\n// Helper functions for the WritableStream.\n\nfunction streamBrandCheckException(name) {\n return new TypeError('WritableStream.prototype.' + name + ' can only be used on a WritableStream');\n}\n\n// Helper functions for the WritableStreamDefaultWriter.\n\nfunction defaultWriterBrandCheckException(name) {\n return new TypeError('WritableStreamDefaultWriter.prototype.' + name + ' can only be used on a WritableStreamDefaultWriter');\n}\n\nfunction defaultWriterLockException(name) {\n return new TypeError('Cannot ' + name + ' a stream using a released writer');\n}\n\nfunction defaultWriterClosedPromiseInitialize(writer) {\n writer._closedPromise = new Promise(function (resolve, reject) {\n writer._closedPromise_resolve = resolve;\n writer._closedPromise_reject = reject;\n writer._closedPromiseState = 'pending';\n });\n}\n\nfunction defaultWriterClosedPromiseInitializeAsRejected(writer, reason) {\n writer._closedPromise = Promise.reject(reason);\n writer._closedPromise_resolve = undefined;\n writer._closedPromise_reject = undefined;\n writer._closedPromiseState = 'rejected';\n}\n\nfunction defaultWriterClosedPromiseInitializeAsResolved(writer) {\n writer._closedPromise = Promise.resolve(undefined);\n writer._closedPromise_resolve = undefined;\n writer._closedPromise_reject = undefined;\n writer._closedPromiseState = 'resolved';\n}\n\nfunction defaultWriterClosedPromiseReject(writer, reason) {\n assert(writer._closedPromise_resolve !== undefined, 'writer._closedPromise_resolve !== undefined');\n assert(writer._closedPromise_reject !== undefined, 'writer._closedPromise_reject !== undefined');\n assert(writer._closedPromiseState === 'pending', 'writer._closedPromiseState is pending');\n\n writer._closedPromise_reject(reason);\n writer._closedPromise_resolve = undefined;\n writer._closedPromise_reject = undefined;\n writer._closedPromiseState = 'rejected';\n}\n\nfunction defaultWriterClosedPromiseResetToRejected(writer, reason) {\n assert(writer._closedPromise_resolve === undefined, 'writer._closedPromise_resolve === undefined');\n assert(writer._closedPromise_reject === undefined, 'writer._closedPromise_reject === undefined');\n assert(writer._closedPromiseState !== 'pending', 'writer._closedPromiseState is not pending');\n\n writer._closedPromise = Promise.reject(reason);\n writer._closedPromiseState = 'rejected';\n}\n\nfunction defaultWriterClosedPromiseResolve(writer) {\n assert(writer._closedPromise_resolve !== undefined, 'writer._closedPromise_resolve !== undefined');\n assert(writer._closedPromise_reject !== undefined, 'writer._closedPromise_reject !== undefined');\n assert(writer._closedPromiseState === 'pending', 'writer._closedPromiseState is pending');\n\n writer._closedPromise_resolve(undefined);\n writer._closedPromise_resolve = undefined;\n writer._closedPromise_reject = undefined;\n writer._closedPromiseState = 'resolved';\n}\n\nfunction defaultWriterReadyPromiseInitialize(writer) {\n writer._readyPromise = new Promise(function (resolve, reject) {\n writer._readyPromise_resolve = resolve;\n writer._readyPromise_reject = reject;\n });\n writer._readyPromiseState = 'pending';\n}\n\nfunction defaultWriterReadyPromiseInitializeAsRejected(writer, reason) {\n writer._readyPromise = Promise.reject(reason);\n writer._readyPromise_resolve = undefined;\n writer._readyPromise_reject = undefined;\n writer._readyPromiseState = 'rejected';\n}\n\nfunction defaultWriterReadyPromiseInitializeAsResolved(writer) {\n writer._readyPromise = Promise.resolve(undefined);\n writer._readyPromise_resolve = undefined;\n writer._readyPromise_reject = undefined;\n writer._readyPromiseState = 'fulfilled';\n}\n\nfunction defaultWriterReadyPromiseReject(writer, reason) {\n assert(writer._readyPromise_resolve !== undefined, 'writer._readyPromise_resolve !== undefined');\n assert(writer._readyPromise_reject !== undefined, 'writer._readyPromise_reject !== undefined');\n\n writer._readyPromise_reject(reason);\n writer._readyPromise_resolve = undefined;\n writer._readyPromise_reject = undefined;\n writer._readyPromiseState = 'rejected';\n}\n\nfunction defaultWriterReadyPromiseReset(writer) {\n assert(writer._readyPromise_resolve === undefined, 'writer._readyPromise_resolve === undefined');\n assert(writer._readyPromise_reject === undefined, 'writer._readyPromise_reject === undefined');\n\n writer._readyPromise = new Promise(function (resolve, reject) {\n writer._readyPromise_resolve = resolve;\n writer._readyPromise_reject = reject;\n });\n writer._readyPromiseState = 'pending';\n}\n\nfunction defaultWriterReadyPromiseResetToRejected(writer, reason) {\n assert(writer._readyPromise_resolve === undefined, 'writer._readyPromise_resolve === undefined');\n assert(writer._readyPromise_reject === undefined, 'writer._readyPromise_reject === undefined');\n\n writer._readyPromise = Promise.reject(reason);\n writer._readyPromiseState = 'rejected';\n}\n\nfunction defaultWriterReadyPromiseResolve(writer) {\n assert(writer._readyPromise_resolve !== undefined, 'writer._readyPromise_resolve !== undefined');\n assert(writer._readyPromise_reject !== undefined, 'writer._readyPromise_reject !== undefined');\n\n writer._readyPromise_resolve(undefined);\n writer._readyPromise_resolve = undefined;\n writer._readyPromise_reject = undefined;\n writer._readyPromiseState = 'fulfilled';\n}\n\n/***/ }),\n/* 3 */\n/***/ (function(module, exports, __w_pdfjs_require__) {\n\n\"use strict\";\n\n\nvar _require = __w_pdfjs_require__(0),\n IsFiniteNonNegativeNumber = _require.IsFiniteNonNegativeNumber;\n\nvar _require2 = __w_pdfjs_require__(1),\n assert = _require2.assert;\n\nexports.DequeueValue = function (container) {\n assert('_queue' in container && '_queueTotalSize' in container, 'Spec-level failure: DequeueValue should only be used on containers with [[queue]] and [[queueTotalSize]].');\n assert(container._queue.length > 0, 'Spec-level failure: should never dequeue from an empty queue.');\n\n var pair = container._queue.shift();\n container._queueTotalSize -= pair.size;\n if (container._queueTotalSize < 0) {\n container._queueTotalSize = 0;\n }\n\n return pair.value;\n};\n\nexports.EnqueueValueWithSize = function (container, value, size) {\n assert('_queue' in container && '_queueTotalSize' in container, 'Spec-level failure: EnqueueValueWithSize should only be used on containers with [[queue]] and ' + '[[queueTotalSize]].');\n\n size = Number(size);\n if (!IsFiniteNonNegativeNumber(size)) {\n throw new RangeError('Size must be a finite, non-NaN, non-negative number.');\n }\n\n container._queue.push({ value: value, size: size });\n container._queueTotalSize += size;\n};\n\nexports.PeekQueueValue = function (container) {\n assert('_queue' in container && '_queueTotalSize' in container, 'Spec-level failure: PeekQueueValue should only be used on containers with [[queue]] and [[queueTotalSize]].');\n assert(container._queue.length > 0, 'Spec-level failure: should never peek at an empty queue.');\n\n var pair = container._queue[0];\n return pair.value;\n};\n\nexports.ResetQueue = function (container) {\n assert('_queue' in container && '_queueTotalSize' in container, 'Spec-level failure: ResetQueue should only be used on containers with [[queue]] and [[queueTotalSize]].');\n\n container._queue = [];\n container._queueTotalSize = 0;\n};\n\n/***/ }),\n/* 4 */\n/***/ (function(module, exports, __w_pdfjs_require__) {\n\n\"use strict\";\n\n\nvar _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nvar _require = __w_pdfjs_require__(0),\n ArrayBufferCopy = _require.ArrayBufferCopy,\n CreateIterResultObject = _require.CreateIterResultObject,\n IsFiniteNonNegativeNumber = _require.IsFiniteNonNegativeNumber,\n InvokeOrNoop = _require.InvokeOrNoop,\n PromiseInvokeOrNoop = _require.PromiseInvokeOrNoop,\n TransferArrayBuffer = _require.TransferArrayBuffer,\n ValidateAndNormalizeQueuingStrategy = _require.ValidateAndNormalizeQueuingStrategy,\n ValidateAndNormalizeHighWaterMark = _require.ValidateAndNormalizeHighWaterMark;\n\nvar _require2 = __w_pdfjs_require__(0),\n createArrayFromList = _require2.createArrayFromList,\n createDataProperty = _require2.createDataProperty,\n typeIsObject = _require2.typeIsObject;\n\nvar _require3 = __w_pdfjs_require__(1),\n assert = _require3.assert,\n rethrowAssertionErrorRejection = _require3.rethrowAssertionErrorRejection;\n\nvar _require4 = __w_pdfjs_require__(3),\n DequeueValue = _require4.DequeueValue,\n EnqueueValueWithSize = _require4.EnqueueValueWithSize,\n ResetQueue = _require4.ResetQueue;\n\nvar _require5 = __w_pdfjs_require__(2),\n AcquireWritableStreamDefaultWriter = _require5.AcquireWritableStreamDefaultWriter,\n IsWritableStream = _require5.IsWritableStream,\n IsWritableStreamLocked = _require5.IsWritableStreamLocked,\n WritableStreamAbort = _require5.WritableStreamAbort,\n WritableStreamDefaultWriterCloseWithErrorPropagation = _require5.WritableStreamDefaultWriterCloseWithErrorPropagation,\n WritableStreamDefaultWriterRelease = _require5.WritableStreamDefaultWriterRelease,\n WritableStreamDefaultWriterWrite = _require5.WritableStreamDefaultWriterWrite,\n WritableStreamCloseQueuedOrInFlight = _require5.WritableStreamCloseQueuedOrInFlight;\n\nvar ReadableStream = function () {\n function ReadableStream() {\n var underlyingSource = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};\n\n var _ref = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {},\n size = _ref.size,\n highWaterMark = _ref.highWaterMark;\n\n _classCallCheck(this, ReadableStream);\n\n // Exposed to controllers.\n this._state = 'readable';\n\n this._reader = undefined;\n this._storedError = undefined;\n\n this._disturbed = false;\n\n // Initialize to undefined first because the constructor of the controller checks this\n // variable to validate the caller.\n this._readableStreamController = undefined;\n var type = underlyingSource.type;\n var typeString = String(type);\n if (typeString === 'bytes') {\n if (highWaterMark === undefined) {\n highWaterMark = 0;\n }\n this._readableStreamController = new ReadableByteStreamController(this, underlyingSource, highWaterMark);\n } else if (type === undefined) {\n if (highWaterMark === undefined) {\n highWaterMark = 1;\n }\n this._readableStreamController = new ReadableStreamDefaultController(this, underlyingSource, size, highWaterMark);\n } else {\n throw new RangeError('Invalid type is specified');\n }\n }\n\n _createClass(ReadableStream, [{\n key: 'cancel',\n value: function cancel(reason) {\n if (IsReadableStream(this) === false) {\n return Promise.reject(streamBrandCheckException('cancel'));\n }\n\n if (IsReadableStreamLocked(this) === true) {\n return Promise.reject(new TypeError('Cannot cancel a stream that already has a reader'));\n }\n\n return ReadableStreamCancel(this, reason);\n }\n }, {\n key: 'getReader',\n value: function getReader() {\n var _ref2 = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},\n mode = _ref2.mode;\n\n if (IsReadableStream(this) === false) {\n throw streamBrandCheckException('getReader');\n }\n\n if (mode === undefined) {\n return AcquireReadableStreamDefaultReader(this);\n }\n\n mode = String(mode);\n\n if (mode === 'byob') {\n return AcquireReadableStreamBYOBReader(this);\n }\n\n throw new RangeError('Invalid mode is specified');\n }\n }, {\n key: 'pipeThrough',\n value: function pipeThrough(_ref3, options) {\n var writable = _ref3.writable,\n readable = _ref3.readable;\n\n var promise = this.pipeTo(writable, options);\n\n ifIsObjectAndHasAPromiseIsHandledInternalSlotSetPromiseIsHandledToTrue(promise);\n\n return readable;\n }\n }, {\n key: 'pipeTo',\n value: function pipeTo(dest) {\n var _this = this;\n\n var _ref4 = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {},\n preventClose = _ref4.preventClose,\n preventAbort = _ref4.preventAbort,\n preventCancel = _ref4.preventCancel;\n\n if (IsReadableStream(this) === false) {\n return Promise.reject(streamBrandCheckException('pipeTo'));\n }\n if (IsWritableStream(dest) === false) {\n return Promise.reject(new TypeError('ReadableStream.prototype.pipeTo\\'s first argument must be a WritableStream'));\n }\n\n preventClose = Boolean(preventClose);\n preventAbort = Boolean(preventAbort);\n preventCancel = Boolean(preventCancel);\n\n if (IsReadableStreamLocked(this) === true) {\n return Promise.reject(new TypeError('ReadableStream.prototype.pipeTo cannot be used on a locked ReadableStream'));\n }\n if (IsWritableStreamLocked(dest) === true) {\n return Promise.reject(new TypeError('ReadableStream.prototype.pipeTo cannot be used on a locked WritableStream'));\n }\n\n var reader = AcquireReadableStreamDefaultReader(this);\n var writer = AcquireWritableStreamDefaultWriter(dest);\n\n var shuttingDown = false;\n\n // This is used to keep track of the spec's requirement that we wait for ongoing writes during shutdown.\n var currentWrite = Promise.resolve();\n\n return new Promise(function (resolve, reject) {\n // Using reader and writer, read all chunks from this and write them to dest\n // - Backpressure must be enforced\n // - Shutdown must stop all activity\n function pipeLoop() {\n currentWrite = Promise.resolve();\n\n if (shuttingDown === true) {\n return Promise.resolve();\n }\n\n return writer._readyPromise.then(function () {\n return ReadableStreamDefaultReaderRead(reader).then(function (_ref5) {\n var value = _ref5.value,\n done = _ref5.done;\n\n if (done === true) {\n return;\n }\n\n currentWrite = WritableStreamDefaultWriterWrite(writer, value).catch(function () {});\n });\n }).then(pipeLoop);\n }\n\n // Errors must be propagated forward\n isOrBecomesErrored(_this, reader._closedPromise, function (storedError) {\n if (preventAbort === false) {\n shutdownWithAction(function () {\n return WritableStreamAbort(dest, storedError);\n }, true, storedError);\n } else {\n shutdown(true, storedError);\n }\n });\n\n // Errors must be propagated backward\n isOrBecomesErrored(dest, writer._closedPromise, function (storedError) {\n if (preventCancel === false) {\n shutdownWithAction(function () {\n return ReadableStreamCancel(_this, storedError);\n }, true, storedError);\n } else {\n shutdown(true, storedError);\n }\n });\n\n // Closing must be propagated forward\n isOrBecomesClosed(_this, reader._closedPromise, function () {\n if (preventClose === false) {\n shutdownWithAction(function () {\n return WritableStreamDefaultWriterCloseWithErrorPropagation(writer);\n });\n } else {\n shutdown();\n }\n });\n\n // Closing must be propagated backward\n if (WritableStreamCloseQueuedOrInFlight(dest) === true || dest._state === 'closed') {\n var destClosed = new TypeError('the destination writable stream closed before all data could be piped to it');\n\n if (preventCancel === false) {\n shutdownWithAction(function () {\n return ReadableStreamCancel(_this, destClosed);\n }, true, destClosed);\n } else {\n shutdown(true, destClosed);\n }\n }\n\n pipeLoop().catch(function (err) {\n currentWrite = Promise.resolve();\n rethrowAssertionErrorRejection(err);\n });\n\n function waitForWritesToFinish() {\n // Another write may have started while we were waiting on this currentWrite, so we have to be sure to wait\n // for that too.\n var oldCurrentWrite = currentWrite;\n return currentWrite.then(function () {\n return oldCurrentWrite !== currentWrite ? waitForWritesToFinish() : undefined;\n });\n }\n\n function isOrBecomesErrored(stream, promise, action) {\n if (stream._state === 'errored') {\n action(stream._storedError);\n } else {\n promise.catch(action).catch(rethrowAssertionErrorRejection);\n }\n }\n\n function isOrBecomesClosed(stream, promise, action) {\n if (stream._state === 'closed') {\n action();\n } else {\n promise.then(action).catch(rethrowAssertionErrorRejection);\n }\n }\n\n function shutdownWithAction(action, originalIsError, originalError) {\n if (shuttingDown === true) {\n return;\n }\n shuttingDown = true;\n\n if (dest._state === 'writable' && WritableStreamCloseQueuedOrInFlight(dest) === false) {\n waitForWritesToFinish().then(doTheRest);\n } else {\n doTheRest();\n }\n\n function doTheRest() {\n action().then(function () {\n return finalize(originalIsError, originalError);\n }, function (newError) {\n return finalize(true, newError);\n }).catch(rethrowAssertionErrorRejection);\n }\n }\n\n function shutdown(isError, error) {\n if (shuttingDown === true) {\n return;\n }\n shuttingDown = true;\n\n if (dest._state === 'writable' && WritableStreamCloseQueuedOrInFlight(dest) === false) {\n waitForWritesToFinish().then(function () {\n return finalize(isError, error);\n }).catch(rethrowAssertionErrorRejection);\n } else {\n finalize(isError, error);\n }\n }\n\n function finalize(isError, error) {\n WritableStreamDefaultWriterRelease(writer);\n ReadableStreamReaderGenericRelease(reader);\n\n if (isError) {\n reject(error);\n } else {\n resolve(undefined);\n }\n }\n });\n }\n }, {\n key: 'tee',\n value: function tee() {\n if (IsReadableStream(this) === false) {\n throw streamBrandCheckException('tee');\n }\n\n var branches = ReadableStreamTee(this, false);\n return createArrayFromList(branches);\n }\n }, {\n key: 'locked',\n get: function get() {\n if (IsReadableStream(this) === false) {\n throw streamBrandCheckException('locked');\n }\n\n return IsReadableStreamLocked(this);\n }\n }]);\n\n return ReadableStream;\n}();\n\nmodule.exports = {\n ReadableStream: ReadableStream,\n IsReadableStreamDisturbed: IsReadableStreamDisturbed,\n ReadableStreamDefaultControllerClose: ReadableStreamDefaultControllerClose,\n ReadableStreamDefaultControllerEnqueue: ReadableStreamDefaultControllerEnqueue,\n ReadableStreamDefaultControllerError: ReadableStreamDefaultControllerError,\n ReadableStreamDefaultControllerGetDesiredSize: ReadableStreamDefaultControllerGetDesiredSize\n};\n\n// Abstract operations for the ReadableStream.\n\nfunction AcquireReadableStreamBYOBReader(stream) {\n return new ReadableStreamBYOBReader(stream);\n}\n\nfunction AcquireReadableStreamDefaultReader(stream) {\n return new ReadableStreamDefaultReader(stream);\n}\n\nfunction IsReadableStream(x) {\n if (!typeIsObject(x)) {\n return false;\n }\n\n if (!Object.prototype.hasOwnProperty.call(x, '_readableStreamController')) {\n return false;\n }\n\n return true;\n}\n\nfunction IsReadableStreamDisturbed(stream) {\n assert(IsReadableStream(stream) === true, 'IsReadableStreamDisturbed should only be used on known readable streams');\n\n return stream._disturbed;\n}\n\nfunction IsReadableStreamLocked(stream) {\n assert(IsReadableStream(stream) === true, 'IsReadableStreamLocked should only be used on known readable streams');\n\n if (stream._reader === undefined) {\n return false;\n }\n\n return true;\n}\n\nfunction ReadableStreamTee(stream, cloneForBranch2) {\n assert(IsReadableStream(stream) === true);\n assert(typeof cloneForBranch2 === 'boolean');\n\n var reader = AcquireReadableStreamDefaultReader(stream);\n\n var teeState = {\n closedOrErrored: false,\n canceled1: false,\n canceled2: false,\n reason1: undefined,\n reason2: undefined\n };\n teeState.promise = new Promise(function (resolve) {\n teeState._resolve = resolve;\n });\n\n var pull = create_ReadableStreamTeePullFunction();\n pull._reader = reader;\n pull._teeState = teeState;\n pull._cloneForBranch2 = cloneForBranch2;\n\n var cancel1 = create_ReadableStreamTeeBranch1CancelFunction();\n cancel1._stream = stream;\n cancel1._teeState = teeState;\n\n var cancel2 = create_ReadableStreamTeeBranch2CancelFunction();\n cancel2._stream = stream;\n cancel2._teeState = teeState;\n\n var underlyingSource1 = Object.create(Object.prototype);\n createDataProperty(underlyingSource1, 'pull', pull);\n createDataProperty(underlyingSource1, 'cancel', cancel1);\n var branch1Stream = new ReadableStream(underlyingSource1);\n\n var underlyingSource2 = Object.create(Object.prototype);\n createDataProperty(underlyingSource2, 'pull', pull);\n createDataProperty(underlyingSource2, 'cancel', cancel2);\n var branch2Stream = new ReadableStream(underlyingSource2);\n\n pull._branch1 = branch1Stream._readableStreamController;\n pull._branch2 = branch2Stream._readableStreamController;\n\n reader._closedPromise.catch(function (r) {\n if (teeState.closedOrErrored === true) {\n return;\n }\n\n ReadableStreamDefaultControllerError(pull._branch1, r);\n ReadableStreamDefaultControllerError(pull._branch2, r);\n teeState.closedOrErrored = true;\n });\n\n return [branch1Stream, branch2Stream];\n}\n\nfunction create_ReadableStreamTeePullFunction() {\n function f() {\n var reader = f._reader,\n branch1 = f._branch1,\n branch2 = f._branch2,\n teeState = f._teeState;\n\n\n return ReadableStreamDefaultReaderRead(reader).then(function (result) {\n assert(typeIsObject(result));\n var value = result.value;\n var done = result.done;\n assert(typeof done === 'boolean');\n\n if (done === true && teeState.closedOrErrored === false) {\n if (teeState.canceled1 === false) {\n ReadableStreamDefaultControllerClose(branch1);\n }\n if (teeState.canceled2 === false) {\n ReadableStreamDefaultControllerClose(branch2);\n }\n teeState.closedOrErrored = true;\n }\n\n if (teeState.closedOrErrored === true) {\n return;\n }\n\n var value1 = value;\n var value2 = value;\n\n // There is no way to access the cloning code right now in the reference implementation.\n // If we add one then we'll need an implementation for serializable objects.\n // if (teeState.canceled2 === false && cloneForBranch2 === true) {\n // value2 = StructuredDeserialize(StructuredSerialize(value2));\n // }\n\n if (teeState.canceled1 === false) {\n ReadableStreamDefaultControllerEnqueue(branch1, value1);\n }\n\n if (teeState.canceled2 === false) {\n ReadableStreamDefaultControllerEnqueue(branch2, value2);\n }\n });\n }\n return f;\n}\n\nfunction create_ReadableStreamTeeBranch1CancelFunction() {\n function f(reason) {\n var stream = f._stream,\n teeState = f._teeState;\n\n\n teeState.canceled1 = true;\n teeState.reason1 = reason;\n if (teeState.canceled2 === true) {\n var compositeReason = createArrayFromList([teeState.reason1, teeState.reason2]);\n var cancelResult = ReadableStreamCancel(stream, compositeReason);\n teeState._resolve(cancelResult);\n }\n return teeState.promise;\n }\n return f;\n}\n\nfunction create_ReadableStreamTeeBranch2CancelFunction() {\n function f(reason) {\n var stream = f._stream,\n teeState = f._teeState;\n\n\n teeState.canceled2 = true;\n teeState.reason2 = reason;\n if (teeState.canceled1 === true) {\n var compositeReason = createArrayFromList([teeState.reason1, teeState.reason2]);\n var cancelResult = ReadableStreamCancel(stream, compositeReason);\n teeState._resolve(cancelResult);\n }\n return teeState.promise;\n }\n return f;\n}\n\n// ReadableStream API exposed for controllers.\n\nfunction ReadableStreamAddReadIntoRequest(stream) {\n assert(IsReadableStreamBYOBReader(stream._reader) === true);\n assert(stream._state === 'readable' || stream._state === 'closed');\n\n var promise = new Promise(function (resolve, reject) {\n var readIntoRequest = {\n _resolve: resolve,\n _reject: reject\n };\n\n stream._reader._readIntoRequests.push(readIntoRequest);\n });\n\n return promise;\n}\n\nfunction ReadableStreamAddReadRequest(stream) {\n assert(IsReadableStreamDefaultReader(stream._reader) === true);\n assert(stream._state === 'readable');\n\n var promise = new Promise(function (resolve, reject) {\n var readRequest = {\n _resolve: resolve,\n _reject: reject\n };\n\n stream._reader._readRequests.push(readRequest);\n });\n\n return promise;\n}\n\nfunction ReadableStreamCancel(stream, reason) {\n stream._disturbed = true;\n\n if (stream._state === 'closed') {\n return Promise.resolve(undefined);\n }\n if (stream._state === 'errored') {\n return Promise.reject(stream._storedError);\n }\n\n ReadableStreamClose(stream);\n\n var sourceCancelPromise = stream._readableStreamController.__cancelSteps(reason);\n return sourceCancelPromise.then(function () {\n return undefined;\n });\n}\n\nfunction ReadableStreamClose(stream) {\n assert(stream._state === 'readable');\n\n stream._state = 'closed';\n\n var reader = stream._reader;\n\n if (reader === undefined) {\n return undefined;\n }\n\n if (IsReadableStreamDefaultReader(reader) === true) {\n for (var i = 0; i < reader._readRequests.length; i++) {\n var _resolve = reader._readRequests[i]._resolve;\n\n _resolve(CreateIterResultObject(undefined, true));\n }\n reader._readRequests = [];\n }\n\n defaultReaderClosedPromiseResolve(reader);\n\n return undefined;\n}\n\nfunction ReadableStreamError(stream, e) {\n assert(IsReadableStream(stream) === true, 'stream must be ReadableStream');\n assert(stream._state === 'readable', 'state must be readable');\n\n stream._state = 'errored';\n stream._storedError = e;\n\n var reader = stream._reader;\n\n if (reader === undefined) {\n return undefined;\n }\n\n if (IsReadableStreamDefaultReader(reader) === true) {\n for (var i = 0; i < reader._readRequests.length; i++) {\n var readRequest = reader._readRequests[i];\n readRequest._reject(e);\n }\n\n reader._readRequests = [];\n } else {\n assert(IsReadableStreamBYOBReader(reader), 'reader must be ReadableStreamBYOBReader');\n\n for (var _i = 0; _i < reader._readIntoRequests.length; _i++) {\n var readIntoRequest = reader._readIntoRequests[_i];\n readIntoRequest._reject(e);\n }\n\n reader._readIntoRequests = [];\n }\n\n defaultReaderClosedPromiseReject(reader, e);\n reader._closedPromise.catch(function () {});\n}\n\nfunction ReadableStreamFulfillReadIntoRequest(stream, chunk, done) {\n var reader = stream._reader;\n\n assert(reader._readIntoRequests.length > 0);\n\n var readIntoRequest = reader._readIntoRequests.shift();\n readIntoRequest._resolve(CreateIterResultObject(chunk, done));\n}\n\nfunction ReadableStreamFulfillReadRequest(stream, chunk, done) {\n var reader = stream._reader;\n\n assert(reader._readRequests.length > 0);\n\n var readRequest = reader._readRequests.shift();\n readRequest._resolve(CreateIterResultObject(chunk, done));\n}\n\nfunction ReadableStreamGetNumReadIntoRequests(stream) {\n return stream._reader._readIntoRequests.length;\n}\n\nfunction ReadableStreamGetNumReadRequests(stream) {\n return stream._reader._readRequests.length;\n}\n\nfunction ReadableStreamHasBYOBReader(stream) {\n var reader = stream._reader;\n\n if (reader === undefined) {\n return false;\n }\n\n if (IsReadableStreamBYOBReader(reader) === false) {\n return false;\n }\n\n return true;\n}\n\nfunction ReadableStreamHasDefaultReader(stream) {\n var reader = stream._reader;\n\n if (reader === undefined) {\n return false;\n }\n\n if (IsReadableStreamDefaultReader(reader) === false) {\n return false;\n }\n\n return true;\n}\n\n// Readers\n\nvar ReadableStreamDefaultReader = function () {\n function ReadableStreamDefaultReader(stream) {\n _classCallCheck(this, ReadableStreamDefaultReader);\n\n if (IsReadableStream(stream) === false) {\n throw new TypeError('ReadableStreamDefaultReader can only be constructed with a ReadableStream instance');\n }\n if (IsReadableStreamLocked(stream) === true) {\n throw new TypeError('This stream has already been locked for exclusive reading by another reader');\n }\n\n ReadableStreamReaderGenericInitialize(this, stream);\n\n this._readRequests = [];\n }\n\n _createClass(ReadableStreamDefaultReader, [{\n key: 'cancel',\n value: function cancel(reason) {\n if (IsReadableStreamDefaultReader(this) === false) {\n return Promise.reject(defaultReaderBrandCheckException('cancel'));\n }\n\n if (this._ownerReadableStream === undefined) {\n return Promise.reject(readerLockException('cancel'));\n }\n\n return ReadableStreamReaderGenericCancel(this, reason);\n }\n }, {\n key: 'read',\n value: function read() {\n if (IsReadableStreamDefaultReader(this) === false) {\n return Promise.reject(defaultReaderBrandCheckException('read'));\n }\n\n if (this._ownerReadableStream === undefined) {\n return Promise.reject(readerLockException('read from'));\n }\n\n return ReadableStreamDefaultReaderRead(this);\n }\n }, {\n key: 'releaseLock',\n value: function releaseLock() {\n if (IsReadableStreamDefaultReader(this) === false) {\n throw defaultReaderBrandCheckException('releaseLock');\n }\n\n if (this._ownerReadableStream === undefined) {\n return;\n }\n\n if (this._readRequests.length > 0) {\n throw new TypeError('Tried to release a reader lock when that reader has pending read() calls un-settled');\n }\n\n ReadableStreamReaderGenericRelease(this);\n }\n }, {\n key: 'closed',\n get: function get() {\n if (IsReadableStreamDefaultReader(this) === false) {\n return Promise.reject(defaultReaderBrandCheckException('closed'));\n }\n\n return this._closedPromise;\n }\n }]);\n\n return ReadableStreamDefaultReader;\n}();\n\nvar ReadableStreamBYOBReader = function () {\n function ReadableStreamBYOBReader(stream) {\n _classCallCheck(this, ReadableStreamBYOBReader);\n\n if (!IsReadableStream(stream)) {\n throw new TypeError('ReadableStreamBYOBReader can only be constructed with a ReadableStream instance given a ' + 'byte source');\n }\n if (IsReadableByteStreamController(stream._readableStreamController) === false) {\n throw new TypeError('Cannot construct a ReadableStreamBYOBReader for a stream not constructed with a byte ' + 'source');\n }\n if (IsReadableStreamLocked(stream)) {\n throw new TypeError('This stream has already been locked for exclusive reading by another reader');\n }\n\n ReadableStreamReaderGenericInitialize(this, stream);\n\n this._readIntoRequests = [];\n }\n\n _createClass(ReadableStreamBYOBReader, [{\n key: 'cancel',\n value: function cancel(reason) {\n if (!IsReadableStreamBYOBReader(this)) {\n return Promise.reject(byobReaderBrandCheckException('cancel'));\n }\n\n if (this._ownerReadableStream === undefined) {\n return Promise.reject(readerLockException('cancel'));\n }\n\n return ReadableStreamReaderGenericCancel(this, reason);\n }\n }, {\n key: 'read',\n value: function read(view) {\n if (!IsReadableStreamBYOBReader(this)) {\n return Promise.reject(byobReaderBrandCheckException('read'));\n }\n\n if (this._ownerReadableStream === undefined) {\n return Promise.reject(readerLockException('read from'));\n }\n\n if (!ArrayBuffer.isView(view)) {\n return Promise.reject(new TypeError('view must be an array buffer view'));\n }\n\n if (view.byteLength === 0) {\n return Promise.reject(new TypeError('view must have non-zero byteLength'));\n }\n\n return ReadableStreamBYOBReaderRead(this, view);\n }\n }, {\n key: 'releaseLock',\n value: function releaseLock() {\n if (!IsReadableStreamBYOBReader(this)) {\n throw byobReaderBrandCheckException('releaseLock');\n }\n\n if (this._ownerReadableStream === undefined) {\n return;\n }\n\n if (this._readIntoRequests.length > 0) {\n throw new TypeError('Tried to release a reader lock when that reader has pending read() calls un-settled');\n }\n\n ReadableStreamReaderGenericRelease(this);\n }\n }, {\n key: 'closed',\n get: function get() {\n if (!IsReadableStreamBYOBReader(this)) {\n return Promise.reject(byobReaderBrandCheckException('closed'));\n }\n\n return this._closedPromise;\n }\n }]);\n\n return ReadableStreamBYOBReader;\n}();\n\n// Abstract operations for the readers.\n\nfunction IsReadableStreamBYOBReader(x) {\n if (!typeIsObject(x)) {\n return false;\n }\n\n if (!Object.prototype.hasOwnProperty.call(x, '_readIntoRequests')) {\n return false;\n }\n\n return true;\n}\n\nfunction IsReadableStreamDefaultReader(x) {\n if (!typeIsObject(x)) {\n return false;\n }\n\n if (!Object.prototype.hasOwnProperty.call(x, '_readRequests')) {\n return false;\n }\n\n return true;\n}\n\nfunction ReadableStreamReaderGenericInitialize(reader, stream) {\n reader._ownerReadableStream = stream;\n stream._reader = reader;\n\n if (stream._state === 'readable') {\n defaultReaderClosedPromiseInitialize(reader);\n } else if (stream._state === 'closed') {\n defaultReaderClosedPromiseInitializeAsResolved(reader);\n } else {\n assert(stream._state === 'errored', 'state must be errored');\n\n defaultReaderClosedPromiseInitializeAsRejected(reader, stream._storedError);\n reader._closedPromise.catch(function () {});\n }\n}\n\n// A client of ReadableStreamDefaultReader and ReadableStreamBYOBReader may use these functions directly to bypass state\n// check.\n\nfunction ReadableStreamReaderGenericCancel(reader, reason) {\n var stream = reader._ownerReadableStream;\n assert(stream !== undefined);\n return ReadableStreamCancel(stream, reason);\n}\n\nfunction ReadableStreamReaderGenericRelease(reader) {\n assert(reader._ownerReadableStream !== undefined);\n assert(reader._ownerReadableStream._reader === reader);\n\n if (reader._ownerReadableStream._state === 'readable') {\n defaultReaderClosedPromiseReject(reader, new TypeError('Reader was released and can no longer be used to monitor the stream\\'s closedness'));\n } else {\n defaultReaderClosedPromiseResetToRejected(reader, new TypeError('Reader was released and can no longer be used to monitor the stream\\'s closedness'));\n }\n reader._closedPromise.catch(function () {});\n\n reader._ownerReadableStream._reader = undefined;\n reader._ownerReadableStream = undefined;\n}\n\nfunction ReadableStreamBYOBReaderRead(reader, view) {\n var stream = reader._ownerReadableStream;\n\n assert(stream !== undefined);\n\n stream._disturbed = true;\n\n if (stream._state === 'errored') {\n return Promise.reject(stream._storedError);\n }\n\n // Controllers must implement this.\n return ReadableByteStreamControllerPullInto(stream._readableStreamController, view);\n}\n\nfunction ReadableStreamDefaultReaderRead(reader) {\n var stream = reader._ownerReadableStream;\n\n assert(stream !== undefined);\n\n stream._disturbed = true;\n\n if (stream._state === 'closed') {\n return Promise.resolve(CreateIterResultObject(undefined, true));\n }\n\n if (stream._state === 'errored') {\n return Promise.reject(stream._storedError);\n }\n\n assert(stream._state === 'readable');\n\n return stream._readableStreamController.__pullSteps();\n}\n\n// Controllers\n\nvar ReadableStreamDefaultController = function () {\n function ReadableStreamDefaultController(stream, underlyingSource, size, highWaterMark) {\n _classCallCheck(this, ReadableStreamDefaultController);\n\n if (IsReadableStream(stream) === false) {\n throw new TypeError('ReadableStreamDefaultController can only be constructed with a ReadableStream instance');\n }\n\n if (stream._readableStreamController !== undefined) {\n throw new TypeError('ReadableStreamDefaultController instances can only be created by the ReadableStream constructor');\n }\n\n this._controlledReadableStream = stream;\n\n this._underlyingSource = underlyingSource;\n\n // Need to set the slots so that the assert doesn't fire. In the spec the slots already exist implicitly.\n this._queue = undefined;\n this._queueTotalSize = undefined;\n ResetQueue(this);\n\n this._started = false;\n this._closeRequested = false;\n this._pullAgain = false;\n this._pulling = false;\n\n var normalizedStrategy = ValidateAndNormalizeQueuingStrategy(size, highWaterMark);\n this._strategySize = normalizedStrategy.size;\n this._strategyHWM = normalizedStrategy.highWaterMark;\n\n var controller = this;\n\n var startResult = InvokeOrNoop(underlyingSource, 'start', [this]);\n Promise.resolve(startResult).then(function () {\n controller._started = true;\n\n assert(controller._pulling === false);\n assert(controller._pullAgain === false);\n\n ReadableStreamDefaultControllerCallPullIfNeeded(controller);\n }, function (r) {\n ReadableStreamDefaultControllerErrorIfNeeded(controller, r);\n }).catch(rethrowAssertionErrorRejection);\n }\n\n _createClass(ReadableStreamDefaultController, [{\n key: 'close',\n value: function close() {\n if (IsReadableStreamDefaultController(this) === false) {\n throw defaultControllerBrandCheckException('close');\n }\n\n if (this._closeRequested === true) {\n throw new TypeError('The stream has already been closed; do not close it again!');\n }\n\n var state = this._controlledReadableStream._state;\n if (state !== 'readable') {\n throw new TypeError('The stream (in ' + state + ' state) is not in the readable state and cannot be closed');\n }\n\n ReadableStreamDefaultControllerClose(this);\n }\n }, {\n key: 'enqueue',\n value: function enqueue(chunk) {\n if (IsReadableStreamDefaultController(this) === false) {\n throw defaultControllerBrandCheckException('enqueue');\n }\n\n if (this._closeRequested === true) {\n throw new TypeError('stream is closed or draining');\n }\n\n var state = this._controlledReadableStream._state;\n if (state !== 'readable') {\n throw new TypeError('The stream (in ' + state + ' state) is not in the readable state and cannot be enqueued to');\n }\n\n return ReadableStreamDefaultControllerEnqueue(this, chunk);\n }\n }, {\n key: 'error',\n value: function error(e) {\n if (IsReadableStreamDefaultController(this) === false) {\n throw defaultControllerBrandCheckException('error');\n }\n\n var stream = this._controlledReadableStream;\n if (stream._state !== 'readable') {\n throw new TypeError('The stream is ' + stream._state + ' and so cannot be errored');\n }\n\n ReadableStreamDefaultControllerError(this, e);\n }\n }, {\n key: '__cancelSteps',\n value: function __cancelSteps(reason) {\n ResetQueue(this);\n return PromiseInvokeOrNoop(this._underlyingSource, 'cancel', [reason]);\n }\n }, {\n key: '__pullSteps',\n value: function __pullSteps() {\n var stream = this._controlledReadableStream;\n\n if (this._queue.length > 0) {\n var chunk = DequeueValue(this);\n\n if (this._closeRequested === true && this._queue.length === 0) {\n ReadableStreamClose(stream);\n } else {\n ReadableStreamDefaultControllerCallPullIfNeeded(this);\n }\n\n return Promise.resolve(CreateIterResultObject(chunk, false));\n }\n\n var pendingPromise = ReadableStreamAddReadRequest(stream);\n ReadableStreamDefaultControllerCallPullIfNeeded(this);\n return pendingPromise;\n }\n }, {\n key: 'desiredSize',\n get: function get() {\n if (IsReadableStreamDefaultController(this) === false) {\n throw defaultControllerBrandCheckException('desiredSize');\n }\n\n return ReadableStreamDefaultControllerGetDesiredSize(this);\n }\n }]);\n\n return ReadableStreamDefaultController;\n}();\n\n// Abstract operations for the ReadableStreamDefaultController.\n\nfunction IsReadableStreamDefaultController(x) {\n if (!typeIsObject(x)) {\n return false;\n }\n\n if (!Object.prototype.hasOwnProperty.call(x, '_underlyingSource')) {\n return false;\n }\n\n return true;\n}\n\nfunction ReadableStreamDefaultControllerCallPullIfNeeded(controller) {\n var shouldPull = ReadableStreamDefaultControllerShouldCallPull(controller);\n if (shouldPull === false) {\n return undefined;\n }\n\n if (controller._pulling === true) {\n controller._pullAgain = true;\n return undefined;\n }\n\n assert(controller._pullAgain === false);\n\n controller._pulling = true;\n\n var pullPromise = PromiseInvokeOrNoop(controller._underlyingSource, 'pull', [controller]);\n pullPromise.then(function () {\n controller._pulling = false;\n\n if (controller._pullAgain === true) {\n controller._pullAgain = false;\n return ReadableStreamDefaultControllerCallPullIfNeeded(controller);\n }\n return undefined;\n }, function (e) {\n ReadableStreamDefaultControllerErrorIfNeeded(controller, e);\n }).catch(rethrowAssertionErrorRejection);\n\n return undefined;\n}\n\nfunction ReadableStreamDefaultControllerShouldCallPull(controller) {\n var stream = controller._controlledReadableStream;\n\n if (stream._state === 'closed' || stream._state === 'errored') {\n return false;\n }\n\n if (controller._closeRequested === true) {\n return false;\n }\n\n if (controller._started === false) {\n return false;\n }\n\n if (IsReadableStreamLocked(stream) === true && ReadableStreamGetNumReadRequests(stream) > 0) {\n return true;\n }\n\n var desiredSize = ReadableStreamDefaultControllerGetDesiredSize(controller);\n if (desiredSize > 0) {\n return true;\n }\n\n return false;\n}\n\n// A client of ReadableStreamDefaultController may use these functions directly to bypass state check.\n\nfunction ReadableStreamDefaultControllerClose(controller) {\n var stream = controller._controlledReadableStream;\n\n assert(controller._closeRequested === false);\n assert(stream._state === 'readable');\n\n controller._closeRequested = true;\n\n if (controller._queue.length === 0) {\n ReadableStreamClose(stream);\n }\n}\n\nfunction ReadableStreamDefaultControllerEnqueue(controller, chunk) {\n var stream = controller._controlledReadableStream;\n\n assert(controller._closeRequested === false);\n assert(stream._state === 'readable');\n\n if (IsReadableStreamLocked(stream) === true && ReadableStreamGetNumReadRequests(stream) > 0) {\n ReadableStreamFulfillReadRequest(stream, chunk, false);\n } else {\n var chunkSize = 1;\n\n if (controller._strategySize !== undefined) {\n var strategySize = controller._strategySize;\n try {\n chunkSize = strategySize(chunk);\n } catch (chunkSizeE) {\n ReadableStreamDefaultControllerErrorIfNeeded(controller, chunkSizeE);\n throw chunkSizeE;\n }\n }\n\n try {\n EnqueueValueWithSize(controller, chunk, chunkSize);\n } catch (enqueueE) {\n ReadableStreamDefaultControllerErrorIfNeeded(controller, enqueueE);\n throw enqueueE;\n }\n }\n\n ReadableStreamDefaultControllerCallPullIfNeeded(controller);\n\n return undefined;\n}\n\nfunction ReadableStreamDefaultControllerError(controller, e) {\n var stream = controller._controlledReadableStream;\n\n assert(stream._state === 'readable');\n\n ResetQueue(controller);\n\n ReadableStreamError(stream, e);\n}\n\nfunction ReadableStreamDefaultControllerErrorIfNeeded(controller, e) {\n if (controller._controlledReadableStream._state === 'readable') {\n ReadableStreamDefaultControllerError(controller, e);\n }\n}\n\nfunction ReadableStreamDefaultControllerGetDesiredSize(controller) {\n var stream = controller._controlledReadableStream;\n var state = stream._state;\n\n if (state === 'errored') {\n return null;\n }\n if (state === 'closed') {\n return 0;\n }\n\n return controller._strategyHWM - controller._queueTotalSize;\n}\n\nvar ReadableStreamBYOBRequest = function () {\n function ReadableStreamBYOBRequest(controller, view) {\n _classCallCheck(this, ReadableStreamBYOBRequest);\n\n this._associatedReadableByteStreamController = controller;\n this._view = view;\n }\n\n _createClass(ReadableStreamBYOBRequest, [{\n key: 'respond',\n value: function respond(bytesWritten) {\n if (IsReadableStreamBYOBRequest(this) === false) {\n throw byobRequestBrandCheckException('respond');\n }\n\n if (this._associatedReadableByteStreamController === undefined) {\n throw new TypeError('This BYOB request has been invalidated');\n }\n\n ReadableByteStreamControllerRespond(this._associatedReadableByteStreamController, bytesWritten);\n }\n }, {\n key: 'respondWithNewView',\n value: function respondWithNewView(view) {\n if (IsReadableStreamBYOBRequest(this) === false) {\n throw byobRequestBrandCheckException('respond');\n }\n\n if (this._associatedReadableByteStreamController === undefined) {\n throw new TypeError('This BYOB request has been invalidated');\n }\n\n if (!ArrayBuffer.isView(view)) {\n throw new TypeError('You can only respond with array buffer views');\n }\n\n ReadableByteStreamControllerRespondWithNewView(this._associatedReadableByteStreamController, view);\n }\n }, {\n key: 'view',\n get: function get() {\n return this._view;\n }\n }]);\n\n return ReadableStreamBYOBRequest;\n}();\n\nvar ReadableByteStreamController = function () {\n function ReadableByteStreamController(stream, underlyingByteSource, highWaterMark) {\n _classCallCheck(this, ReadableByteStreamController);\n\n if (IsReadableStream(stream) === false) {\n throw new TypeError('ReadableByteStreamController can only be constructed with a ReadableStream instance given ' + 'a byte source');\n }\n\n if (stream._readableStreamController !== undefined) {\n throw new TypeError('ReadableByteStreamController instances can only be created by the ReadableStream constructor given a byte ' + 'source');\n }\n\n this._controlledReadableStream = stream;\n\n this._underlyingByteSource = underlyingByteSource;\n\n this._pullAgain = false;\n this._pulling = false;\n\n ReadableByteStreamControllerClearPendingPullIntos(this);\n\n // Need to set the slots so that the assert doesn't fire. In the spec the slots already exist implicitly.\n this._queue = this._queueTotalSize = undefined;\n ResetQueue(this);\n\n this._closeRequested = false;\n this._started = false;\n\n this._strategyHWM = ValidateAndNormalizeHighWaterMark(highWaterMark);\n\n var autoAllocateChunkSize = underlyingByteSource.autoAllocateChunkSize;\n if (autoAllocateChunkSize !== undefined) {\n if (Number.isInteger(autoAllocateChunkSize) === false || autoAllocateChunkSize <= 0) {\n throw new RangeError('autoAllocateChunkSize must be a positive integer');\n }\n }\n this._autoAllocateChunkSize = autoAllocateChunkSize;\n\n this._pendingPullIntos = [];\n\n var controller = this;\n\n var startResult = InvokeOrNoop(underlyingByteSource, 'start', [this]);\n Promise.resolve(startResult).then(function () {\n controller._started = true;\n\n assert(controller._pulling === false);\n assert(controller._pullAgain === false);\n\n ReadableByteStreamControllerCallPullIfNeeded(controller);\n }, function (r) {\n if (stream._state === 'readable') {\n ReadableByteStreamControllerError(controller, r);\n }\n }).catch(rethrowAssertionErrorRejection);\n }\n\n _createClass(ReadableByteStreamController, [{\n key: 'close',\n value: function close() {\n if (IsReadableByteStreamController(this) === false) {\n throw byteStreamControllerBrandCheckException('close');\n }\n\n if (this._closeRequested === true) {\n throw new TypeError('The stream has already been closed; do not close it again!');\n }\n\n var state = this._controlledReadableStream._state;\n if (state !== 'readable') {\n throw new TypeError('The stream (in ' + state + ' state) is not in the readable state and cannot be closed');\n }\n\n ReadableByteStreamControllerClose(this);\n }\n }, {\n key: 'enqueue',\n value: function enqueue(chunk) {\n if (IsReadableByteStreamController(this) === false) {\n throw byteStreamControllerBrandCheckException('enqueue');\n }\n\n if (this._closeRequested === true) {\n throw new TypeError('stream is closed or draining');\n }\n\n var state = this._controlledReadableStream._state;\n if (state !== 'readable') {\n throw new TypeError('The stream (in ' + state + ' state) is not in the readable state and cannot be enqueued to');\n }\n\n if (!ArrayBuffer.isView(chunk)) {\n throw new TypeError('You can only enqueue array buffer views when using a ReadableByteStreamController');\n }\n\n ReadableByteStreamControllerEnqueue(this, chunk);\n }\n }, {\n key: 'error',\n value: function error(e) {\n if (IsReadableByteStreamController(this) === false) {\n throw byteStreamControllerBrandCheckException('error');\n }\n\n var stream = this._controlledReadableStream;\n if (stream._state !== 'readable') {\n throw new TypeError('The stream is ' + stream._state + ' and so cannot be errored');\n }\n\n ReadableByteStreamControllerError(this, e);\n }\n }, {\n key: '__cancelSteps',\n value: function __cancelSteps(reason) {\n if (this._pendingPullIntos.length > 0) {\n var firstDescriptor = this._pendingPullIntos[0];\n firstDescriptor.bytesFilled = 0;\n }\n\n ResetQueue(this);\n\n return PromiseInvokeOrNoop(this._underlyingByteSource, 'cancel', [reason]);\n }\n }, {\n key: '__pullSteps',\n value: function __pullSteps() {\n var stream = this._controlledReadableStream;\n assert(ReadableStreamHasDefaultReader(stream) === true);\n\n if (this._queueTotalSize > 0) {\n assert(ReadableStreamGetNumReadRequests(stream) === 0);\n\n var entry = this._queue.shift();\n this._queueTotalSize -= entry.byteLength;\n\n ReadableByteStreamControllerHandleQueueDrain(this);\n\n var view = void 0;\n try {\n view = new Uint8Array(entry.buffer, entry.byteOffset, entry.byteLength);\n } catch (viewE) {\n return Promise.reject(viewE);\n }\n\n return Promise.resolve(CreateIterResultObject(view, false));\n }\n\n var autoAllocateChunkSize = this._autoAllocateChunkSize;\n if (autoAllocateChunkSize !== undefined) {\n var buffer = void 0;\n try {\n buffer = new ArrayBuffer(autoAllocateChunkSize);\n } catch (bufferE) {\n return Promise.reject(bufferE);\n }\n\n var pullIntoDescriptor = {\n buffer: buffer,\n byteOffset: 0,\n byteLength: autoAllocateChunkSize,\n bytesFilled: 0,\n elementSize: 1,\n ctor: Uint8Array,\n readerType: 'default'\n };\n\n this._pendingPullIntos.push(pullIntoDescriptor);\n }\n\n var promise = ReadableStreamAddReadRequest(stream);\n\n ReadableByteStreamControllerCallPullIfNeeded(this);\n\n return promise;\n }\n }, {\n key: 'byobRequest',\n get: function get() {\n if (IsReadableByteStreamController(this) === false) {\n throw byteStreamControllerBrandCheckException('byobRequest');\n }\n\n if (this._byobRequest === undefined && this._pendingPullIntos.length > 0) {\n var firstDescriptor = this._pendingPullIntos[0];\n var view = new Uint8Array(firstDescriptor.buffer, firstDescriptor.byteOffset + firstDescriptor.bytesFilled, firstDescriptor.byteLength - firstDescriptor.bytesFilled);\n\n this._byobRequest = new ReadableStreamBYOBRequest(this, view);\n }\n\n return this._byobRequest;\n }\n }, {\n key: 'desiredSize',\n get: function get() {\n if (IsReadableByteStreamController(this) === false) {\n throw byteStreamControllerBrandCheckException('desiredSize');\n }\n\n return ReadableByteStreamControllerGetDesiredSize(this);\n }\n }]);\n\n return ReadableByteStreamController;\n}();\n\n// Abstract operations for the ReadableByteStreamController.\n\nfunction IsReadableByteStreamController(x) {\n if (!typeIsObject(x)) {\n return false;\n }\n\n if (!Object.prototype.hasOwnProperty.call(x, '_underlyingByteSource')) {\n return false;\n }\n\n return true;\n}\n\nfunction IsReadableStreamBYOBRequest(x) {\n if (!typeIsObject(x)) {\n return false;\n }\n\n if (!Object.prototype.hasOwnProperty.call(x, '_associatedReadableByteStreamController')) {\n return false;\n }\n\n return true;\n}\n\nfunction ReadableByteStreamControllerCallPullIfNeeded(controller) {\n var shouldPull = ReadableByteStreamControllerShouldCallPull(controller);\n if (shouldPull === false) {\n return undefined;\n }\n\n if (controller._pulling === true) {\n controller._pullAgain = true;\n return undefined;\n }\n\n assert(controller._pullAgain === false);\n\n controller._pulling = true;\n\n // TODO: Test controller argument\n var pullPromise = PromiseInvokeOrNoop(controller._underlyingByteSource, 'pull', [controller]);\n pullPromise.then(function () {\n controller._pulling = false;\n\n if (controller._pullAgain === true) {\n controller._pullAgain = false;\n ReadableByteStreamControllerCallPullIfNeeded(controller);\n }\n }, function (e) {\n if (controller._controlledReadableStream._state === 'readable') {\n ReadableByteStreamControllerError(controller, e);\n }\n }).catch(rethrowAssertionErrorRejection);\n\n return undefined;\n}\n\nfunction ReadableByteStreamControllerClearPendingPullIntos(controller) {\n ReadableByteStreamControllerInvalidateBYOBRequest(controller);\n controller._pendingPullIntos = [];\n}\n\nfunction ReadableByteStreamControllerCommitPullIntoDescriptor(stream, pullIntoDescriptor) {\n assert(stream._state !== 'errored', 'state must not be errored');\n\n var done = false;\n if (stream._state === 'closed') {\n assert(pullIntoDescriptor.bytesFilled === 0);\n done = true;\n }\n\n var filledView = ReadableByteStreamControllerConvertPullIntoDescriptor(pullIntoDescriptor);\n if (pullIntoDescriptor.readerType === 'default') {\n ReadableStreamFulfillReadRequest(stream, filledView, done);\n } else {\n assert(pullIntoDescriptor.readerType === 'byob');\n ReadableStreamFulfillReadIntoRequest(stream, filledView, done);\n }\n}\n\nfunction ReadableByteStreamControllerConvertPullIntoDescriptor(pullIntoDescriptor) {\n var bytesFilled = pullIntoDescriptor.bytesFilled;\n var elementSize = pullIntoDescriptor.elementSize;\n\n assert(bytesFilled <= pullIntoDescriptor.byteLength);\n assert(bytesFilled % elementSize === 0);\n\n return new pullIntoDescriptor.ctor(pullIntoDescriptor.buffer, pullIntoDescriptor.byteOffset, bytesFilled / elementSize);\n}\n\nfunction ReadableByteStreamControllerEnqueueChunkToQueue(controller, buffer, byteOffset, byteLength) {\n controller._queue.push({ buffer: buffer, byteOffset: byteOffset, byteLength: byteLength });\n controller._queueTotalSize += byteLength;\n}\n\nfunction ReadableByteStreamControllerFillPullIntoDescriptorFromQueue(controller, pullIntoDescriptor) {\n var elementSize = pullIntoDescriptor.elementSize;\n\n var currentAlignedBytes = pullIntoDescriptor.bytesFilled - pullIntoDescriptor.bytesFilled % elementSize;\n\n var maxBytesToCopy = Math.min(controller._queueTotalSize, pullIntoDescriptor.byteLength - pullIntoDescriptor.bytesFilled);\n var maxBytesFilled = pullIntoDescriptor.bytesFilled + maxBytesToCopy;\n var maxAlignedBytes = maxBytesFilled - maxBytesFilled % elementSize;\n\n var totalBytesToCopyRemaining = maxBytesToCopy;\n var ready = false;\n if (maxAlignedBytes > currentAlignedBytes) {\n totalBytesToCopyRemaining = maxAlignedBytes - pullIntoDescriptor.bytesFilled;\n ready = true;\n }\n\n var queue = controller._queue;\n\n while (totalBytesToCopyRemaining > 0) {\n var headOfQueue = queue[0];\n\n var bytesToCopy = Math.min(totalBytesToCopyRemaining, headOfQueue.byteLength);\n\n var destStart = pullIntoDescriptor.byteOffset + pullIntoDescriptor.bytesFilled;\n ArrayBufferCopy(pullIntoDescriptor.buffer, destStart, headOfQueue.buffer, headOfQueue.byteOffset, bytesToCopy);\n\n if (headOfQueue.byteLength === bytesToCopy) {\n queue.shift();\n } else {\n headOfQueue.byteOffset += bytesToCopy;\n headOfQueue.byteLength -= bytesToCopy;\n }\n controller._queueTotalSize -= bytesToCopy;\n\n ReadableByteStreamControllerFillHeadPullIntoDescriptor(controller, bytesToCopy, pullIntoDescriptor);\n\n totalBytesToCopyRemaining -= bytesToCopy;\n }\n\n if (ready === false) {\n assert(controller._queueTotalSize === 0, 'queue must be empty');\n assert(pullIntoDescriptor.bytesFilled > 0);\n assert(pullIntoDescriptor.bytesFilled < pullIntoDescriptor.elementSize);\n }\n\n return ready;\n}\n\nfunction ReadableByteStreamControllerFillHeadPullIntoDescriptor(controller, size, pullIntoDescriptor) {\n assert(controller._pendingPullIntos.length === 0 || controller._pendingPullIntos[0] === pullIntoDescriptor);\n\n ReadableByteStreamControllerInvalidateBYOBRequest(controller);\n pullIntoDescriptor.bytesFilled += size;\n}\n\nfunction ReadableByteStreamControllerHandleQueueDrain(controller) {\n assert(controller._controlledReadableStream._state === 'readable');\n\n if (controller._queueTotalSize === 0 && controller._closeRequested === true) {\n ReadableStreamClose(controller._controlledReadableStream);\n } else {\n ReadableByteStreamControllerCallPullIfNeeded(controller);\n }\n}\n\nfunction ReadableByteStreamControllerInvalidateBYOBRequest(controller) {\n if (controller._byobRequest === undefined) {\n return;\n }\n\n controller._byobRequest._associatedReadableByteStreamController = undefined;\n controller._byobRequest._view = undefined;\n controller._byobRequest = undefined;\n}\n\nfunction ReadableByteStreamControllerProcessPullIntoDescriptorsUsingQueue(controller) {\n assert(controller._closeRequested === false);\n\n while (controller._pendingPullIntos.length > 0) {\n if (controller._queueTotalSize === 0) {\n return;\n }\n\n var pullIntoDescriptor = controller._pendingPullIntos[0];\n\n if (ReadableByteStreamControllerFillPullIntoDescriptorFromQueue(controller, pullIntoDescriptor) === true) {\n ReadableByteStreamControllerShiftPendingPullInto(controller);\n\n ReadableByteStreamControllerCommitPullIntoDescriptor(controller._controlledReadableStream, pullIntoDescriptor);\n }\n }\n}\n\nfunction ReadableByteStreamControllerPullInto(controller, view) {\n var stream = controller._controlledReadableStream;\n\n var elementSize = 1;\n if (view.constructor !== DataView) {\n elementSize = view.constructor.BYTES_PER_ELEMENT;\n }\n\n var ctor = view.constructor;\n\n var pullIntoDescriptor = {\n buffer: view.buffer,\n byteOffset: view.byteOffset,\n byteLength: view.byteLength,\n bytesFilled: 0,\n elementSize: elementSize,\n ctor: ctor,\n readerType: 'byob'\n };\n\n if (controller._pendingPullIntos.length > 0) {\n pullIntoDescriptor.buffer = TransferArrayBuffer(pullIntoDescriptor.buffer);\n controller._pendingPullIntos.push(pullIntoDescriptor);\n\n // No ReadableByteStreamControllerCallPullIfNeeded() call since:\n // - No change happens on desiredSize\n // - The source has already been notified of that there's at least 1 pending read(view)\n\n return ReadableStreamAddReadIntoRequest(stream);\n }\n\n if (stream._state === 'closed') {\n var emptyView = new view.constructor(pullIntoDescriptor.buffer, pullIntoDescriptor.byteOffset, 0);\n return Promise.resolve(CreateIterResultObject(emptyView, true));\n }\n\n if (controller._queueTotalSize > 0) {\n if (ReadableByteStreamControllerFillPullIntoDescriptorFromQueue(controller, pullIntoDescriptor) === true) {\n var filledView = ReadableByteStreamControllerConvertPullIntoDescriptor(pullIntoDescriptor);\n\n ReadableByteStreamControllerHandleQueueDrain(controller);\n\n return Promise.resolve(CreateIterResultObject(filledView, false));\n }\n\n if (controller._closeRequested === true) {\n var e = new TypeError('Insufficient bytes to fill elements in the given buffer');\n ReadableByteStreamControllerError(controller, e);\n\n return Promise.reject(e);\n }\n }\n\n pullIntoDescriptor.buffer = TransferArrayBuffer(pullIntoDescriptor.buffer);\n controller._pendingPullIntos.push(pullIntoDescriptor);\n\n var promise = ReadableStreamAddReadIntoRequest(stream);\n\n ReadableByteStreamControllerCallPullIfNeeded(controller);\n\n return promise;\n}\n\nfunction ReadableByteStreamControllerRespondInClosedState(controller, firstDescriptor) {\n firstDescriptor.buffer = TransferArrayBuffer(firstDescriptor.buffer);\n\n assert(firstDescriptor.bytesFilled === 0, 'bytesFilled must be 0');\n\n var stream = controller._controlledReadableStream;\n if (ReadableStreamHasBYOBReader(stream) === true) {\n while (ReadableStreamGetNumReadIntoRequests(stream) > 0) {\n var pullIntoDescriptor = ReadableByteStreamControllerShiftPendingPullInto(controller);\n ReadableByteStreamControllerCommitPullIntoDescriptor(stream, pullIntoDescriptor);\n }\n }\n}\n\nfunction ReadableByteStreamControllerRespondInReadableState(controller, bytesWritten, pullIntoDescriptor) {\n if (pullIntoDescriptor.bytesFilled + bytesWritten > pullIntoDescriptor.byteLength) {\n throw new RangeError('bytesWritten out of range');\n }\n\n ReadableByteStreamControllerFillHeadPullIntoDescriptor(controller, bytesWritten, pullIntoDescriptor);\n\n if (pullIntoDescriptor.bytesFilled < pullIntoDescriptor.elementSize) {\n // TODO: Figure out whether we should detach the buffer or not here.\n return;\n }\n\n ReadableByteStreamControllerShiftPendingPullInto(controller);\n\n var remainderSize = pullIntoDescriptor.bytesFilled % pullIntoDescriptor.elementSize;\n if (remainderSize > 0) {\n var end = pullIntoDescriptor.byteOffset + pullIntoDescriptor.bytesFilled;\n var remainder = pullIntoDescriptor.buffer.slice(end - remainderSize, end);\n ReadableByteStreamControllerEnqueueChunkToQueue(controller, remainder, 0, remainder.byteLength);\n }\n\n pullIntoDescriptor.buffer = TransferArrayBuffer(pullIntoDescriptor.buffer);\n pullIntoDescriptor.bytesFilled -= remainderSize;\n ReadableByteStreamControllerCommitPullIntoDescriptor(controller._controlledReadableStream, pullIntoDescriptor);\n\n ReadableByteStreamControllerProcessPullIntoDescriptorsUsingQueue(controller);\n}\n\nfunction ReadableByteStreamControllerRespondInternal(controller, bytesWritten) {\n var firstDescriptor = controller._pendingPullIntos[0];\n\n var stream = controller._controlledReadableStream;\n\n if (stream._state === 'closed') {\n if (bytesWritten !== 0) {\n throw new TypeError('bytesWritten must be 0 when calling respond() on a closed stream');\n }\n\n ReadableByteStreamControllerRespondInClosedState(controller, firstDescriptor);\n } else {\n assert(stream._state === 'readable');\n\n ReadableByteStreamControllerRespondInReadableState(controller, bytesWritten, firstDescriptor);\n }\n}\n\nfunction ReadableByteStreamControllerShiftPendingPullInto(controller) {\n var descriptor = controller._pendingPullIntos.shift();\n ReadableByteStreamControllerInvalidateBYOBRequest(controller);\n return descriptor;\n}\n\nfunction ReadableByteStreamControllerShouldCallPull(controller) {\n var stream = controller._controlledReadableStream;\n\n if (stream._state !== 'readable') {\n return false;\n }\n\n if (controller._closeRequested === true) {\n return false;\n }\n\n if (controller._started === false) {\n return false;\n }\n\n if (ReadableStreamHasDefaultReader(stream) === true && ReadableStreamGetNumReadRequests(stream) > 0) {\n return true;\n }\n\n if (ReadableStreamHasBYOBReader(stream) === true && ReadableStreamGetNumReadIntoRequests(stream) > 0) {\n return true;\n }\n\n if (ReadableByteStreamControllerGetDesiredSize(controller) > 0) {\n return true;\n }\n\n return false;\n}\n\n// A client of ReadableByteStreamController may use these functions directly to bypass state check.\n\nfunction ReadableByteStreamControllerClose(controller) {\n var stream = controller._controlledReadableStream;\n\n assert(controller._closeRequested === false);\n assert(stream._state === 'readable');\n\n if (controller._queueTotalSize > 0) {\n controller._closeRequested = true;\n\n return;\n }\n\n if (controller._pendingPullIntos.length > 0) {\n var firstPendingPullInto = controller._pendingPullIntos[0];\n if (firstPendingPullInto.bytesFilled > 0) {\n var e = new TypeError('Insufficient bytes to fill elements in the given buffer');\n ReadableByteStreamControllerError(controller, e);\n\n throw e;\n }\n }\n\n ReadableStreamClose(stream);\n}\n\nfunction ReadableByteStreamControllerEnqueue(controller, chunk) {\n var stream = controller._controlledReadableStream;\n\n assert(controller._closeRequested === false);\n assert(stream._state === 'readable');\n\n var buffer = chunk.buffer;\n var byteOffset = chunk.byteOffset;\n var byteLength = chunk.byteLength;\n var transferredBuffer = TransferArrayBuffer(buffer);\n\n if (ReadableStreamHasDefaultReader(stream) === true) {\n if (ReadableStreamGetNumReadRequests(stream) === 0) {\n ReadableByteStreamControllerEnqueueChunkToQueue(controller, transferredBuffer, byteOffset, byteLength);\n } else {\n assert(controller._queue.length === 0);\n\n var transferredView = new Uint8Array(transferredBuffer, byteOffset, byteLength);\n ReadableStreamFulfillReadRequest(stream, transferredView, false);\n }\n } else if (ReadableStreamHasBYOBReader(stream) === true) {\n // TODO: Ideally in this branch detaching should happen only if the buffer is not consumed fully.\n ReadableByteStreamControllerEnqueueChunkToQueue(controller, transferredBuffer, byteOffset, byteLength);\n ReadableByteStreamControllerProcessPullIntoDescriptorsUsingQueue(controller);\n } else {\n assert(IsReadableStreamLocked(stream) === false, 'stream must not be locked');\n ReadableByteStreamControllerEnqueueChunkToQueue(controller, transferredBuffer, byteOffset, byteLength);\n }\n}\n\nfunction ReadableByteStreamControllerError(controller, e) {\n var stream = controller._controlledReadableStream;\n\n assert(stream._state === 'readable');\n\n ReadableByteStreamControllerClearPendingPullIntos(controller);\n\n ResetQueue(controller);\n ReadableStreamError(stream, e);\n}\n\nfunction ReadableByteStreamControllerGetDesiredSize(controller) {\n var stream = controller._controlledReadableStream;\n var state = stream._state;\n\n if (state === 'errored') {\n return null;\n }\n if (state === 'closed') {\n return 0;\n }\n\n return controller._strategyHWM - controller._queueTotalSize;\n}\n\nfunction ReadableByteStreamControllerRespond(controller, bytesWritten) {\n bytesWritten = Number(bytesWritten);\n if (IsFiniteNonNegativeNumber(bytesWritten) === false) {\n throw new RangeError('bytesWritten must be a finite');\n }\n\n assert(controller._pendingPullIntos.length > 0);\n\n ReadableByteStreamControllerRespondInternal(controller, bytesWritten);\n}\n\nfunction ReadableByteStreamControllerRespondWithNewView(controller, view) {\n assert(controller._pendingPullIntos.length > 0);\n\n var firstDescriptor = controller._pendingPullIntos[0];\n\n if (firstDescriptor.byteOffset + firstDescriptor.bytesFilled !== view.byteOffset) {\n throw new RangeError('The region specified by view does not match byobRequest');\n }\n if (firstDescriptor.byteLength !== view.byteLength) {\n throw new RangeError('The buffer of view has different capacity than byobRequest');\n }\n\n firstDescriptor.buffer = view.buffer;\n\n ReadableByteStreamControllerRespondInternal(controller, view.byteLength);\n}\n\n// Helper functions for the ReadableStream.\n\nfunction streamBrandCheckException(name) {\n return new TypeError('ReadableStream.prototype.' + name + ' can only be used on a ReadableStream');\n}\n\n// Helper functions for the readers.\n\nfunction readerLockException(name) {\n return new TypeError('Cannot ' + name + ' a stream using a released reader');\n}\n\n// Helper functions for the ReadableStreamDefaultReader.\n\nfunction defaultReaderBrandCheckException(name) {\n return new TypeError('ReadableStreamDefaultReader.prototype.' + name + ' can only be used on a ReadableStreamDefaultReader');\n}\n\nfunction defaultReaderClosedPromiseInitialize(reader) {\n reader._closedPromise = new Promise(function (resolve, reject) {\n reader._closedPromise_resolve = resolve;\n reader._closedPromise_reject = reject;\n });\n}\n\nfunction defaultReaderClosedPromiseInitializeAsRejected(reader, reason) {\n reader._closedPromise = Promise.reject(reason);\n reader._closedPromise_resolve = undefined;\n reader._closedPromise_reject = undefined;\n}\n\nfunction defaultReaderClosedPromiseInitializeAsResolved(reader) {\n reader._closedPromise = Promise.resolve(undefined);\n reader._closedPromise_resolve = undefined;\n reader._closedPromise_reject = undefined;\n}\n\nfunction defaultReaderClosedPromiseReject(reader, reason) {\n assert(reader._closedPromise_resolve !== undefined);\n assert(reader._closedPromise_reject !== undefined);\n\n reader._closedPromise_reject(reason);\n reader._closedPromise_resolve = undefined;\n reader._closedPromise_reject = undefined;\n}\n\nfunction defaultReaderClosedPromiseResetToRejected(reader, reason) {\n assert(reader._closedPromise_resolve === undefined);\n assert(reader._closedPromise_reject === undefined);\n\n reader._closedPromise = Promise.reject(reason);\n}\n\nfunction defaultReaderClosedPromiseResolve(reader) {\n assert(reader._closedPromise_resolve !== undefined);\n assert(reader._closedPromise_reject !== undefined);\n\n reader._closedPromise_resolve(undefined);\n reader._closedPromise_resolve = undefined;\n reader._closedPromise_reject = undefined;\n}\n\n// Helper functions for the ReadableStreamDefaultReader.\n\nfunction byobReaderBrandCheckException(name) {\n return new TypeError('ReadableStreamBYOBReader.prototype.' + name + ' can only be used on a ReadableStreamBYOBReader');\n}\n\n// Helper functions for the ReadableStreamDefaultController.\n\nfunction defaultControllerBrandCheckException(name) {\n return new TypeError('ReadableStreamDefaultController.prototype.' + name + ' can only be used on a ReadableStreamDefaultController');\n}\n\n// Helper functions for the ReadableStreamBYOBRequest.\n\nfunction byobRequestBrandCheckException(name) {\n return new TypeError('ReadableStreamBYOBRequest.prototype.' + name + ' can only be used on a ReadableStreamBYOBRequest');\n}\n\n// Helper functions for the ReadableByteStreamController.\n\nfunction byteStreamControllerBrandCheckException(name) {\n return new TypeError('ReadableByteStreamController.prototype.' + name + ' can only be used on a ReadableByteStreamController');\n}\n\n// Helper function for ReadableStream pipeThrough\n\nfunction ifIsObjectAndHasAPromiseIsHandledInternalSlotSetPromiseIsHandledToTrue(promise) {\n try {\n // This relies on the brand-check that is enforced by Promise.prototype.then(). As with the rest of the reference\n // implementation, it doesn't attempt to do the right thing if someone has modified the global environment.\n Promise.prototype.then.call(promise, undefined, function () {});\n } catch (e) {\n // The brand check failed, therefore the internal slot is not present and there's nothing further to do.\n }\n}\n\n/***/ }),\n/* 5 */\n/***/ (function(module, exports, __w_pdfjs_require__) {\n\n\"use strict\";\n\n\nvar transformStream = __w_pdfjs_require__(6);\nvar readableStream = __w_pdfjs_require__(4);\nvar writableStream = __w_pdfjs_require__(2);\n\nexports.TransformStream = transformStream.TransformStream;\nexports.ReadableStream = readableStream.ReadableStream;\nexports.IsReadableStreamDisturbed = readableStream.IsReadableStreamDisturbed;\nexports.ReadableStreamDefaultControllerClose = readableStream.ReadableStreamDefaultControllerClose;\nexports.ReadableStreamDefaultControllerEnqueue = readableStream.ReadableStreamDefaultControllerEnqueue;\nexports.ReadableStreamDefaultControllerError = readableStream.ReadableStreamDefaultControllerError;\nexports.ReadableStreamDefaultControllerGetDesiredSize = readableStream.ReadableStreamDefaultControllerGetDesiredSize;\nexports.AcquireWritableStreamDefaultWriter = writableStream.AcquireWritableStreamDefaultWriter;\nexports.IsWritableStream = writableStream.IsWritableStream;\nexports.IsWritableStreamLocked = writableStream.IsWritableStreamLocked;\nexports.WritableStream = writableStream.WritableStream;\nexports.WritableStreamAbort = writableStream.WritableStreamAbort;\nexports.WritableStreamDefaultControllerError = writableStream.WritableStreamDefaultControllerError;\nexports.WritableStreamDefaultWriterCloseWithErrorPropagation = writableStream.WritableStreamDefaultWriterCloseWithErrorPropagation;\nexports.WritableStreamDefaultWriterRelease = writableStream.WritableStreamDefaultWriterRelease;\nexports.WritableStreamDefaultWriterWrite = writableStream.WritableStreamDefaultWriterWrite;\n\n/***/ }),\n/* 6 */\n/***/ (function(module, exports, __w_pdfjs_require__) {\n\n\"use strict\";\n\n\nvar _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nvar _require = __w_pdfjs_require__(1),\n assert = _require.assert;\n\nvar _require2 = __w_pdfjs_require__(0),\n InvokeOrNoop = _require2.InvokeOrNoop,\n PromiseInvokeOrPerformFallback = _require2.PromiseInvokeOrPerformFallback,\n PromiseInvokeOrNoop = _require2.PromiseInvokeOrNoop,\n typeIsObject = _require2.typeIsObject;\n\nvar _require3 = __w_pdfjs_require__(4),\n ReadableStream = _require3.ReadableStream,\n ReadableStreamDefaultControllerClose = _require3.ReadableStreamDefaultControllerClose,\n ReadableStreamDefaultControllerEnqueue = _require3.ReadableStreamDefaultControllerEnqueue,\n ReadableStreamDefaultControllerError = _require3.ReadableStreamDefaultControllerError,\n ReadableStreamDefaultControllerGetDesiredSize = _require3.ReadableStreamDefaultControllerGetDesiredSize;\n\nvar _require4 = __w_pdfjs_require__(2),\n WritableStream = _require4.WritableStream,\n WritableStreamDefaultControllerError = _require4.WritableStreamDefaultControllerError;\n\n// Methods on the transform stream controller object\n\nfunction TransformStreamCloseReadable(transformStream) {\n // console.log('TransformStreamCloseReadable()');\n\n if (transformStream._errored === true) {\n throw new TypeError('TransformStream is already errored');\n }\n\n if (transformStream._readableClosed === true) {\n throw new TypeError('Readable side is already closed');\n }\n\n TransformStreamCloseReadableInternal(transformStream);\n}\n\nfunction TransformStreamEnqueueToReadable(transformStream, chunk) {\n // console.log('TransformStreamEnqueueToReadable()');\n\n if (transformStream._errored === true) {\n throw new TypeError('TransformStream is already errored');\n }\n\n if (transformStream._readableClosed === true) {\n throw new TypeError('Readable side is already closed');\n }\n\n // We throttle transformer.transform invocation based on the backpressure of the ReadableStream, but we still\n // accept TransformStreamEnqueueToReadable() calls.\n\n var controller = transformStream._readableController;\n\n try {\n ReadableStreamDefaultControllerEnqueue(controller, chunk);\n } catch (e) {\n // This happens when readableStrategy.size() throws.\n // The ReadableStream has already errored itself.\n transformStream._readableClosed = true;\n TransformStreamErrorIfNeeded(transformStream, e);\n\n throw transformStream._storedError;\n }\n\n var desiredSize = ReadableStreamDefaultControllerGetDesiredSize(controller);\n var maybeBackpressure = desiredSize <= 0;\n\n if (maybeBackpressure === true && transformStream._backpressure === false) {\n // This allows pull() again. When desiredSize is 0, it's possible that a pull() will happen immediately (but\n // asynchronously) after this because of pending read()s and set _backpressure back to false.\n //\n // If pull() could be called from inside enqueue(), then this logic would be wrong. This cannot happen\n // because there is always a promise pending from start() or pull() when _backpressure is false.\n TransformStreamSetBackpressure(transformStream, true);\n }\n}\n\nfunction TransformStreamError(transformStream, e) {\n if (transformStream._errored === true) {\n throw new TypeError('TransformStream is already errored');\n }\n\n TransformStreamErrorInternal(transformStream, e);\n}\n\n// Abstract operations.\n\nfunction TransformStreamCloseReadableInternal(transformStream) {\n assert(transformStream._errored === false);\n assert(transformStream._readableClosed === false);\n\n try {\n ReadableStreamDefaultControllerClose(transformStream._readableController);\n } catch (e) {\n assert(false);\n }\n\n transformStream._readableClosed = true;\n}\n\nfunction TransformStreamErrorIfNeeded(transformStream, e) {\n if (transformStream._errored === false) {\n TransformStreamErrorInternal(transformStream, e);\n }\n}\n\nfunction TransformStreamErrorInternal(transformStream, e) {\n // console.log('TransformStreamErrorInternal()');\n\n assert(transformStream._errored === false);\n\n transformStream._errored = true;\n transformStream._storedError = e;\n\n if (transformStream._writableDone === false) {\n WritableStreamDefaultControllerError(transformStream._writableController, e);\n }\n if (transformStream._readableClosed === false) {\n ReadableStreamDefaultControllerError(transformStream._readableController, e);\n }\n}\n\n// Used for preventing the next write() call on TransformStreamSink until there\n// is no longer backpressure.\nfunction TransformStreamReadableReadyPromise(transformStream) {\n assert(transformStream._backpressureChangePromise !== undefined, '_backpressureChangePromise should have been initialized');\n\n if (transformStream._backpressure === false) {\n return Promise.resolve();\n }\n\n assert(transformStream._backpressure === true, '_backpressure should have been initialized');\n\n return transformStream._backpressureChangePromise;\n}\n\nfunction TransformStreamSetBackpressure(transformStream, backpressure) {\n // console.log(`TransformStreamSetBackpressure(${backpressure})`);\n\n // Passes also when called during construction.\n assert(transformStream._backpressure !== backpressure, 'TransformStreamSetBackpressure() should be called only when backpressure is changed');\n\n if (transformStream._backpressureChangePromise !== undefined) {\n // The fulfillment value is just for a sanity check.\n transformStream._backpressureChangePromise_resolve(backpressure);\n }\n\n transformStream._backpressureChangePromise = new Promise(function (resolve) {\n transformStream._backpressureChangePromise_resolve = resolve;\n });\n\n transformStream._backpressureChangePromise.then(function (resolution) {\n assert(resolution !== backpressure, '_backpressureChangePromise should be fulfilled only when backpressure is changed');\n });\n\n transformStream._backpressure = backpressure;\n}\n\nfunction TransformStreamDefaultTransform(chunk, transformStreamController) {\n var transformStream = transformStreamController._controlledTransformStream;\n TransformStreamEnqueueToReadable(transformStream, chunk);\n return Promise.resolve();\n}\n\nfunction TransformStreamTransform(transformStream, chunk) {\n // console.log('TransformStreamTransform()');\n\n assert(transformStream._errored === false);\n assert(transformStream._transforming === false);\n assert(transformStream._backpressure === false);\n\n transformStream._transforming = true;\n\n var transformer = transformStream._transformer;\n var controller = transformStream._transformStreamController;\n\n var transformPromise = PromiseInvokeOrPerformFallback(transformer, 'transform', [chunk, controller], TransformStreamDefaultTransform, [chunk, controller]);\n\n return transformPromise.then(function () {\n transformStream._transforming = false;\n\n return TransformStreamReadableReadyPromise(transformStream);\n }, function (e) {\n TransformStreamErrorIfNeeded(transformStream, e);\n return Promise.reject(e);\n });\n}\n\nfunction IsTransformStreamDefaultController(x) {\n if (!typeIsObject(x)) {\n return false;\n }\n\n if (!Object.prototype.hasOwnProperty.call(x, '_controlledTransformStream')) {\n return false;\n }\n\n return true;\n}\n\nfunction IsTransformStream(x) {\n if (!typeIsObject(x)) {\n return false;\n }\n\n if (!Object.prototype.hasOwnProperty.call(x, '_transformStreamController')) {\n return false;\n }\n\n return true;\n}\n\nvar TransformStreamSink = function () {\n function TransformStreamSink(transformStream, startPromise) {\n _classCallCheck(this, TransformStreamSink);\n\n this._transformStream = transformStream;\n this._startPromise = startPromise;\n }\n\n _createClass(TransformStreamSink, [{\n key: 'start',\n value: function start(c) {\n var transformStream = this._transformStream;\n\n transformStream._writableController = c;\n\n return this._startPromise.then(function () {\n return TransformStreamReadableReadyPromise(transformStream);\n });\n }\n }, {\n key: 'write',\n value: function write(chunk) {\n // console.log('TransformStreamSink.write()');\n\n var transformStream = this._transformStream;\n\n return TransformStreamTransform(transformStream, chunk);\n }\n }, {\n key: 'abort',\n value: function abort() {\n var transformStream = this._transformStream;\n transformStream._writableDone = true;\n TransformStreamErrorInternal(transformStream, new TypeError('Writable side aborted'));\n }\n }, {\n key: 'close',\n value: function close() {\n // console.log('TransformStreamSink.close()');\n\n var transformStream = this._transformStream;\n\n assert(transformStream._transforming === false);\n\n transformStream._writableDone = true;\n\n var flushPromise = PromiseInvokeOrNoop(transformStream._transformer, 'flush', [transformStream._transformStreamController]);\n // Return a promise that is fulfilled with undefined on success.\n return flushPromise.then(function () {\n if (transformStream._errored === true) {\n return Promise.reject(transformStream._storedError);\n }\n if (transformStream._readableClosed === false) {\n TransformStreamCloseReadableInternal(transformStream);\n }\n return Promise.resolve();\n }).catch(function (r) {\n TransformStreamErrorIfNeeded(transformStream, r);\n return Promise.reject(transformStream._storedError);\n });\n }\n }]);\n\n return TransformStreamSink;\n}();\n\nvar TransformStreamSource = function () {\n function TransformStreamSource(transformStream, startPromise) {\n _classCallCheck(this, TransformStreamSource);\n\n this._transformStream = transformStream;\n this._startPromise = startPromise;\n }\n\n _createClass(TransformStreamSource, [{\n key: 'start',\n value: function start(c) {\n var transformStream = this._transformStream;\n\n transformStream._readableController = c;\n\n return this._startPromise.then(function () {\n // Prevent the first pull() call until there is backpressure.\n\n assert(transformStream._backpressureChangePromise !== undefined, '_backpressureChangePromise should have been initialized');\n\n if (transformStream._backpressure === true) {\n return Promise.resolve();\n }\n\n assert(transformStream._backpressure === false, '_backpressure should have been initialized');\n\n return transformStream._backpressureChangePromise;\n });\n }\n }, {\n key: 'pull',\n value: function pull() {\n // console.log('TransformStreamSource.pull()');\n\n var transformStream = this._transformStream;\n\n // Invariant. Enforced by the promises returned by start() and pull().\n assert(transformStream._backpressure === true, 'pull() should be never called while _backpressure is false');\n\n assert(transformStream._backpressureChangePromise !== undefined, '_backpressureChangePromise should have been initialized');\n\n TransformStreamSetBackpressure(transformStream, false);\n\n // Prevent the next pull() call until there is backpressure.\n return transformStream._backpressureChangePromise;\n }\n }, {\n key: 'cancel',\n value: function cancel() {\n var transformStream = this._transformStream;\n transformStream._readableClosed = true;\n TransformStreamErrorInternal(transformStream, new TypeError('Readable side canceled'));\n }\n }]);\n\n return TransformStreamSource;\n}();\n\nvar TransformStreamDefaultController = function () {\n function TransformStreamDefaultController(transformStream) {\n _classCallCheck(this, TransformStreamDefaultController);\n\n if (IsTransformStream(transformStream) === false) {\n throw new TypeError('TransformStreamDefaultController can only be ' + 'constructed with a TransformStream instance');\n }\n\n if (transformStream._transformStreamController !== undefined) {\n throw new TypeError('TransformStreamDefaultController instances can ' + 'only be created by the TransformStream constructor');\n }\n\n this._controlledTransformStream = transformStream;\n }\n\n _createClass(TransformStreamDefaultController, [{\n key: 'enqueue',\n value: function enqueue(chunk) {\n if (IsTransformStreamDefaultController(this) === false) {\n throw defaultControllerBrandCheckException('enqueue');\n }\n\n TransformStreamEnqueueToReadable(this._controlledTransformStream, chunk);\n }\n }, {\n key: 'close',\n value: function close() {\n if (IsTransformStreamDefaultController(this) === false) {\n throw defaultControllerBrandCheckException('close');\n }\n\n TransformStreamCloseReadable(this._controlledTransformStream);\n }\n }, {\n key: 'error',\n value: function error(reason) {\n if (IsTransformStreamDefaultController(this) === false) {\n throw defaultControllerBrandCheckException('error');\n }\n\n TransformStreamError(this._controlledTransformStream, reason);\n }\n }, {\n key: 'desiredSize',\n get: function get() {\n if (IsTransformStreamDefaultController(this) === false) {\n throw defaultControllerBrandCheckException('desiredSize');\n }\n\n var transformStream = this._controlledTransformStream;\n var readableController = transformStream._readableController;\n\n return ReadableStreamDefaultControllerGetDesiredSize(readableController);\n }\n }]);\n\n return TransformStreamDefaultController;\n}();\n\nvar TransformStream = function () {\n function TransformStream() {\n var transformer = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};\n\n _classCallCheck(this, TransformStream);\n\n this._transformer = transformer;\n var readableStrategy = transformer.readableStrategy,\n writableStrategy = transformer.writableStrategy;\n\n\n this._transforming = false;\n this._errored = false;\n this._storedError = undefined;\n\n this._writableController = undefined;\n this._readableController = undefined;\n this._transformStreamController = undefined;\n\n this._writableDone = false;\n this._readableClosed = false;\n\n this._backpressure = undefined;\n this._backpressureChangePromise = undefined;\n this._backpressureChangePromise_resolve = undefined;\n\n this._transformStreamController = new TransformStreamDefaultController(this);\n\n var startPromise_resolve = void 0;\n var startPromise = new Promise(function (resolve) {\n startPromise_resolve = resolve;\n });\n\n var source = new TransformStreamSource(this, startPromise);\n\n this._readable = new ReadableStream(source, readableStrategy);\n\n var sink = new TransformStreamSink(this, startPromise);\n\n this._writable = new WritableStream(sink, writableStrategy);\n\n assert(this._writableController !== undefined);\n assert(this._readableController !== undefined);\n\n var desiredSize = ReadableStreamDefaultControllerGetDesiredSize(this._readableController);\n // Set _backpressure based on desiredSize. As there is no read() at this point, we can just interpret\n // desiredSize being non-positive as backpressure.\n TransformStreamSetBackpressure(this, desiredSize <= 0);\n\n var transformStream = this;\n var startResult = InvokeOrNoop(transformer, 'start', [transformStream._transformStreamController]);\n startPromise_resolve(startResult);\n startPromise.catch(function (e) {\n // The underlyingSink and underlyingSource will error the readable and writable ends on their own.\n if (transformStream._errored === false) {\n transformStream._errored = true;\n transformStream._storedError = e;\n }\n });\n }\n\n _createClass(TransformStream, [{\n key: 'readable',\n get: function get() {\n if (IsTransformStream(this) === false) {\n throw streamBrandCheckException('readable');\n }\n\n return this._readable;\n }\n }, {\n key: 'writable',\n get: function get() {\n if (IsTransformStream(this) === false) {\n throw streamBrandCheckException('writable');\n }\n\n return this._writable;\n }\n }]);\n\n return TransformStream;\n}();\n\nmodule.exports = { TransformStream: TransformStream };\n\n// Helper functions for the TransformStreamDefaultController.\n\nfunction defaultControllerBrandCheckException(name) {\n return new TypeError('TransformStreamDefaultController.prototype.' + name + ' can only be used on a TransformStreamDefaultController');\n}\n\n// Helper functions for the TransformStream.\n\nfunction streamBrandCheckException(name) {\n return new TypeError('TransformStream.prototype.' + name + ' can only be used on a TransformStream');\n}\n\n/***/ }),\n/* 7 */\n/***/ (function(module, exports, __w_pdfjs_require__) {\n\nmodule.exports = __w_pdfjs_require__(5);\n\n\n/***/ })\n/******/ ])));","/* Copyright 2018 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* eslint-disable no-restricted-globals */\n\nif (typeof PDFJSDev !== 'undefined' && !PDFJSDev.test('GENERIC')) {\n // The `URL` constructor is assumed to be available in the extension builds.\n exports.URL = URL;\n} else {\n let isURLSupported = false;\n try {\n if (typeof URL === 'function' && typeof URL.prototype === 'object' &&\n ('origin' in URL.prototype)) {\n const u = new URL('b', 'http://a');\n u.pathname = 'c%20d';\n isURLSupported = (u.href === 'http://a/c%20d');\n }\n } catch (ex) {\n // The `URL` constructor cannot be used.\n }\n\n if (isURLSupported) {\n exports.URL = URL;\n } else {\n if (typeof PDFJSDev !== 'undefined' && PDFJSDev.test('IMAGE_DECODERS')) {\n class DummyURL {\n constructor() {\n throw new Error('The current image decoders doesn\\'t utilize the ' +\n '`URL` constructor, hence it shouldn\\'t need to be ' +\n 'polyfilled for the IMAGE_DECODERS build target.');\n }\n }\n exports.URL = DummyURL;\n } else {\n const PolyfillURL = require('../../external/url/url-lib').URL;\n\n // Attempt to copy over the static methods.\n const OriginalURL = require('./global_scope').URL;\n if (OriginalURL) {\n PolyfillURL.createObjectURL = function(blob) {\n // IE extension allows a second optional options argument, see\n // http://msdn.microsoft.com/en-us/library/ie/hh772302(v=vs.85).aspx\n return OriginalURL.createObjectURL.apply(OriginalURL, arguments);\n };\n PolyfillURL.revokeObjectURL = function(url) {\n OriginalURL.revokeObjectURL(url);\n };\n }\n exports.URL = PolyfillURL;\n }\n }\n}\n","/* Any copyright is dedicated to the Public Domain.\n * http://creativecommons.org/publicdomain/zero/1.0/\n */\n\n// Polyfill obtained from: https://github.com/Polymer/URL\n\n(function URLConstructorClosure() {\n 'use strict';\n\n var relative = Object.create(null);\n relative['ftp'] = 21;\n relative['file'] = 0;\n relative['gopher'] = 70;\n relative['http'] = 80;\n relative['https'] = 443;\n relative['ws'] = 80;\n relative['wss'] = 443;\n\n var relativePathDotMapping = Object.create(null);\n relativePathDotMapping['%2e'] = '.';\n relativePathDotMapping['.%2e'] = '..';\n relativePathDotMapping['%2e.'] = '..';\n relativePathDotMapping['%2e%2e'] = '..';\n\n function isRelativeScheme(scheme) {\n return relative[scheme] !== undefined;\n }\n\n function invalid() {\n clear.call(this);\n this._isInvalid = true;\n }\n\n function IDNAToASCII(h) {\n if (h === '') {\n invalid.call(this);\n }\n // XXX\n return h.toLowerCase();\n }\n\n function percentEscape(c) {\n var unicode = c.charCodeAt(0);\n if (unicode > 0x20 &&\n unicode < 0x7F &&\n // \" # < > ? `\n [0x22, 0x23, 0x3C, 0x3E, 0x3F, 0x60].indexOf(unicode) === -1\n ) {\n return c;\n }\n return encodeURIComponent(c);\n }\n\n function percentEscapeQuery(c) {\n // XXX This actually needs to encode c using encoding and then\n // convert the bytes one-by-one.\n\n var unicode = c.charCodeAt(0);\n if (unicode > 0x20 &&\n unicode < 0x7F &&\n // \" # < > ` (do not escape '?')\n [0x22, 0x23, 0x3C, 0x3E, 0x60].indexOf(unicode) === -1\n ) {\n return c;\n }\n return encodeURIComponent(c);\n }\n\n var EOF, ALPHA = /[a-zA-Z]/,\n ALPHANUMERIC = /[a-zA-Z0-9\\+\\-\\.]/;\n\n function parse(input, stateOverride, base) {\n function err(message) {\n errors.push(message);\n }\n\n var state = stateOverride || 'scheme start',\n cursor = 0,\n buffer = '',\n seenAt = false,\n seenBracket = false,\n errors = [];\n\n loop: while ((input[cursor - 1] !== EOF || cursor === 0) &&\n !this._isInvalid) {\n var c = input[cursor];\n switch (state) {\n case 'scheme start':\n if (c && ALPHA.test(c)) {\n buffer += c.toLowerCase(); // ASCII-safe\n state = 'scheme';\n } else if (!stateOverride) {\n buffer = '';\n state = 'no scheme';\n continue;\n } else {\n err('Invalid scheme.');\n break loop;\n }\n break;\n\n case 'scheme':\n if (c && ALPHANUMERIC.test(c)) {\n buffer += c.toLowerCase(); // ASCII-safe\n } else if (c === ':') {\n this._scheme = buffer;\n buffer = '';\n if (stateOverride) {\n break loop;\n }\n if (isRelativeScheme(this._scheme)) {\n this._isRelative = true;\n }\n if (this._scheme === 'file') {\n state = 'relative';\n } else if (this._isRelative && base &&\n base._scheme === this._scheme) {\n state = 'relative or authority';\n } else if (this._isRelative) {\n state = 'authority first slash';\n } else {\n state = 'scheme data';\n }\n } else if (!stateOverride) {\n buffer = '';\n cursor = 0;\n state = 'no scheme';\n continue;\n } else if (c === EOF) {\n break loop;\n } else {\n err('Code point not allowed in scheme: ' + c);\n break loop;\n }\n break;\n\n case 'scheme data':\n if (c === '?') {\n this._query = '?';\n state = 'query';\n } else if (c === '#') {\n this._fragment = '#';\n state = 'fragment';\n } else {\n // XXX error handling\n if (c !== EOF && c !== '\\t' && c !== '\\n' && c !== '\\r') {\n this._schemeData += percentEscape(c);\n }\n }\n break;\n\n case 'no scheme':\n if (!base || !(isRelativeScheme(base._scheme))) {\n err('Missing scheme.');\n invalid.call(this);\n } else {\n state = 'relative';\n continue;\n }\n break;\n\n case 'relative or authority':\n if (c === '/' && input[cursor + 1] === '/') {\n state = 'authority ignore slashes';\n } else {\n err('Expected /, got: ' + c);\n state = 'relative';\n continue;\n }\n break;\n\n case 'relative':\n this._isRelative = true;\n if (this._scheme !== 'file') {\n this._scheme = base._scheme;\n }\n if (c === EOF) {\n this._host = base._host;\n this._port = base._port;\n this._path = base._path.slice();\n this._query = base._query;\n this._username = base._username;\n this._password = base._password;\n break loop;\n } else if (c === '/' || c === '\\\\') {\n if (c === '\\\\') {\n err('\\\\ is an invalid code point.');\n }\n state = 'relative slash';\n } else if (c === '?') {\n this._host = base._host;\n this._port = base._port;\n this._path = base._path.slice();\n this._query = '?';\n this._username = base._username;\n this._password = base._password;\n state = 'query';\n } else if (c === '#') {\n this._host = base._host;\n this._port = base._port;\n this._path = base._path.slice();\n this._query = base._query;\n this._fragment = '#';\n this._username = base._username;\n this._password = base._password;\n state = 'fragment';\n } else {\n var nextC = input[cursor + 1];\n var nextNextC = input[cursor + 2];\n if (this._scheme !== 'file' || !ALPHA.test(c) ||\n (nextC !== ':' && nextC !== '|') ||\n (nextNextC !== EOF && nextNextC !== '/' && nextNextC !== '\\\\' &&\n nextNextC !== '?' && nextNextC !== '#')) {\n this._host = base._host;\n this._port = base._port;\n this._username = base._username;\n this._password = base._password;\n this._path = base._path.slice();\n this._path.pop();\n }\n state = 'relative path';\n continue;\n }\n break;\n\n case 'relative slash':\n if (c === '/' || c === '\\\\') {\n if (c === '\\\\') {\n err('\\\\ is an invalid code point.');\n }\n if (this._scheme === 'file') {\n state = 'file host';\n } else {\n state = 'authority ignore slashes';\n }\n } else {\n if (this._scheme !== 'file') {\n this._host = base._host;\n this._port = base._port;\n this._username = base._username;\n this._password = base._password;\n }\n state = 'relative path';\n continue;\n }\n break;\n\n case 'authority first slash':\n if (c === '/') {\n state = 'authority second slash';\n } else {\n err('Expected \\'/\\', got: ' + c);\n state = 'authority ignore slashes';\n continue;\n }\n break;\n\n case 'authority second slash':\n state = 'authority ignore slashes';\n if (c !== '/') {\n err('Expected \\'/\\', got: ' + c);\n continue;\n }\n break;\n\n case 'authority ignore slashes':\n if (c !== '/' && c !== '\\\\') {\n state = 'authority';\n continue;\n } else {\n err('Expected authority, got: ' + c);\n }\n break;\n\n case 'authority':\n if (c === '@') {\n if (seenAt) {\n err('@ already seen.');\n buffer += '%40';\n }\n seenAt = true;\n for (var i = 0; i < buffer.length; i++) {\n var cp = buffer[i];\n if (cp === '\\t' || cp === '\\n' || cp === '\\r') {\n err('Invalid whitespace in authority.');\n continue;\n }\n // XXX check URL code points\n if (cp === ':' && this._password === null) {\n this._password = '';\n continue;\n }\n var tempC = percentEscape(cp);\n if (this._password !== null) {\n this._password += tempC;\n } else {\n this._username += tempC;\n }\n }\n buffer = '';\n } else if (c === EOF || c === '/' || c === '\\\\' ||\n c === '?' || c === '#') {\n cursor -= buffer.length;\n buffer = '';\n state = 'host';\n continue;\n } else {\n buffer += c;\n }\n break;\n\n case 'file host':\n if (c === EOF || c === '/' || c === '\\\\' || c === '?' || c === '#') {\n if (buffer.length === 2 && ALPHA.test(buffer[0]) &&\n (buffer[1] === ':' || buffer[1] === '|')) {\n state = 'relative path';\n } else if (buffer.length === 0) {\n state = 'relative path start';\n } else {\n this._host = IDNAToASCII.call(this, buffer);\n buffer = '';\n state = 'relative path start';\n }\n continue;\n } else if (c === '\\t' || c === '\\n' || c === '\\r') {\n err('Invalid whitespace in file host.');\n } else {\n buffer += c;\n }\n break;\n\n case 'host':\n case 'hostname':\n if (c === ':' && !seenBracket) {\n // XXX host parsing\n this._host = IDNAToASCII.call(this, buffer);\n buffer = '';\n state = 'port';\n if (stateOverride === 'hostname') {\n break loop;\n }\n } else if (c === EOF || c === '/' ||\n c === '\\\\' || c === '?' || c === '#') {\n this._host = IDNAToASCII.call(this, buffer);\n buffer = '';\n state = 'relative path start';\n if (stateOverride) {\n break loop;\n }\n continue;\n } else if (c !== '\\t' && c !== '\\n' && c !== '\\r') {\n if (c === '[') {\n seenBracket = true;\n } else if (c === ']') {\n seenBracket = false;\n }\n buffer += c;\n } else {\n err('Invalid code point in host/hostname: ' + c);\n }\n break;\n\n case 'port':\n if (/[0-9]/.test(c)) {\n buffer += c;\n } else if (c === EOF || c === '/' || c === '\\\\' ||\n c === '?' || c === '#' || stateOverride) {\n if (buffer !== '') {\n var temp = parseInt(buffer, 10);\n if (temp !== relative[this._scheme]) {\n this._port = temp + '';\n }\n buffer = '';\n }\n if (stateOverride) {\n break loop;\n }\n state = 'relative path start';\n continue;\n } else if (c === '\\t' || c === '\\n' || c === '\\r') {\n err('Invalid code point in port: ' + c);\n } else {\n invalid.call(this);\n }\n break;\n\n case 'relative path start':\n if (c === '\\\\') {\n err('\\'\\\\\\' not allowed in path.');\n }\n state = 'relative path';\n if (c !== '/' && c !== '\\\\') {\n continue;\n }\n break;\n\n case 'relative path':\n if (c === EOF || c === '/' || c === '\\\\' ||\n (!stateOverride && (c === '?' || c === '#'))) {\n if (c === '\\\\') {\n err('\\\\ not allowed in relative path.');\n }\n var tmp;\n if ((tmp = relativePathDotMapping[buffer.toLowerCase()])) {\n buffer = tmp;\n }\n if (buffer === '..') {\n this._path.pop();\n if (c !== '/' && c !== '\\\\') {\n this._path.push('');\n }\n } else if (buffer === '.' && c !== '/' && c !== '\\\\') {\n this._path.push('');\n } else if (buffer !== '.') {\n if (this._scheme === 'file' && this._path.length === 0 &&\n buffer.length === 2 && ALPHA.test(buffer[0]) &&\n buffer[1] === '|') {\n buffer = buffer[0] + ':';\n }\n this._path.push(buffer);\n }\n buffer = '';\n if (c === '?') {\n this._query = '?';\n state = 'query';\n } else if (c === '#') {\n this._fragment = '#';\n state = 'fragment';\n }\n } else if (c !== '\\t' && c !== '\\n' && c !== '\\r') {\n buffer += percentEscape(c);\n }\n break;\n\n case 'query':\n if (!stateOverride && c === '#') {\n this._fragment = '#';\n state = 'fragment';\n } else if (c !== EOF && c !== '\\t' && c !== '\\n' && c !== '\\r') {\n this._query += percentEscapeQuery(c);\n }\n break;\n\n case 'fragment':\n if (c !== EOF && c !== '\\t' && c !== '\\n' && c !== '\\r') {\n this._fragment += c;\n }\n break;\n }\n\n cursor++;\n }\n }\n\n function clear() {\n this._scheme = '';\n this._schemeData = '';\n this._username = '';\n this._password = null;\n this._host = '';\n this._port = '';\n this._path = [];\n this._query = '';\n this._fragment = '';\n this._isInvalid = false;\n this._isRelative = false;\n }\n\n // Does not process domain names or IP addresses.\n // Does not handle encoding for the query parameter.\n function JURL(url, base /* , encoding */) {\n if (base !== undefined && !(base instanceof JURL)) {\n base = new JURL(String(base));\n }\n\n this._url = url;\n clear.call(this);\n\n var input = url.replace(/^[ \\t\\r\\n\\f]+|[ \\t\\r\\n\\f]+$/g, '');\n // encoding = encoding || 'utf-8'\n\n parse.call(this, input, null, base);\n }\n\n JURL.prototype = {\n toString() {\n return this.href;\n },\n get href() {\n if (this._isInvalid) {\n return this._url;\n }\n var authority = '';\n if (this._username !== '' || this._password !== null) {\n authority = this._username +\n (this._password !== null ? ':' + this._password : '') + '@';\n }\n\n return this.protocol +\n (this._isRelative ? '//' + authority + this.host : '') +\n this.pathname + this._query + this._fragment;\n },\n // The named parameter should be different from the setter's function name.\n // Otherwise Safari 5 will throw an error (see issue 8541)\n set href(value) {\n clear.call(this);\n parse.call(this, value);\n },\n\n get protocol() {\n return this._scheme + ':';\n },\n set protocol(value) {\n if (this._isInvalid) {\n return;\n }\n parse.call(this, value + ':', 'scheme start');\n },\n\n get host() {\n return this._isInvalid ? '' : this._port ?\n this._host + ':' + this._port : this._host;\n },\n set host(value) {\n if (this._isInvalid || !this._isRelative) {\n return;\n }\n parse.call(this, value, 'host');\n },\n\n get hostname() {\n return this._host;\n },\n set hostname(value) {\n if (this._isInvalid || !this._isRelative) {\n return;\n }\n parse.call(this, value, 'hostname');\n },\n\n get port() {\n return this._port;\n },\n set port(value) {\n if (this._isInvalid || !this._isRelative) {\n return;\n }\n parse.call(this, value, 'port');\n },\n\n get pathname() {\n return this._isInvalid ? '' : this._isRelative ?\n '/' + this._path.join('/') : this._schemeData;\n },\n set pathname(value) {\n if (this._isInvalid || !this._isRelative) {\n return;\n }\n this._path = [];\n parse.call(this, value, 'relative path start');\n },\n\n get search() {\n return this._isInvalid || !this._query || this._query === '?' ?\n '' : this._query;\n },\n set search(value) {\n if (this._isInvalid || !this._isRelative) {\n return;\n }\n this._query = '?';\n if (value[0] === '?') {\n value = value.slice(1);\n }\n parse.call(this, value, 'query');\n },\n\n get hash() {\n return this._isInvalid || !this._fragment || this._fragment === '#' ?\n '' : this._fragment;\n },\n set hash(value) {\n if (this._isInvalid) {\n return;\n }\n this._fragment = '#';\n if (value[0] === '#') {\n value = value.slice(1);\n }\n parse.call(this, value, 'fragment');\n },\n\n get origin() {\n var host;\n if (this._isInvalid || !this._scheme) {\n return '';\n }\n // javascript: Gecko returns String(\"\"), WebKit/Blink String(\"null\")\n // Gecko throws error for \"data://\"\n // data: Gecko returns \"\", Blink returns \"data://\", WebKit returns \"null\"\n // Gecko returns String(\"\") for file: mailto:\n // WebKit/Blink returns String(\"SCHEME://\") for file: mailto:\n switch (this._scheme) {\n case 'data':\n case 'file':\n case 'javascript':\n case 'mailto':\n return 'null';\n case 'blob':\n // Special case of blob: -- returns valid origin of _schemeData.\n try {\n return new JURL(this._schemeData).origin || 'null';\n } catch (_) {\n // Invalid _schemeData origin -- ignoring errors.\n }\n return 'null';\n }\n host = this.host;\n if (!host) {\n return '';\n }\n return this._scheme + '://' + host;\n },\n };\n\n exports.URL = JURL;\n})();\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* globals requirejs, __non_webpack_require__ */\n\nimport {\n assert, createPromiseCapability, getVerbosityLevel, info, InvalidPDFException,\n isArrayBuffer, isSameOrigin, MissingPDFException, NativeImageDecoding,\n PasswordException, setVerbosityLevel, shadow, stringToBytes,\n UnexpectedResponseException, UnknownErrorException, unreachable, URL, warn\n} from '../shared/util';\nimport {\n DOMCanvasFactory, DOMCMapReaderFactory, DummyStatTimer, loadScript,\n PageViewport, RenderingCancelledException, StatTimer\n} from './dom_utils';\nimport { FontFaceObject, FontLoader } from './font_loader';\nimport { apiCompatibilityParams } from './api_compatibility';\nimport { CanvasGraphics } from './canvas';\nimport globalScope from '../shared/global_scope';\nimport { GlobalWorkerOptions } from './worker_options';\nimport { MessageHandler } from '../shared/message_handler';\nimport { Metadata } from './metadata';\nimport { PDFDataTransportStream } from './transport_stream';\nimport { WebGLContext } from './webgl';\n\nconst DEFAULT_RANGE_CHUNK_SIZE = 65536; // 2^16 = 65536\n\nlet isWorkerDisabled = false;\nlet fallbackWorkerSrc;\n\nlet fakeWorkerFilesLoader = null;\nif (typeof PDFJSDev !== 'undefined' && PDFJSDev.test('GENERIC')) {\n let useRequireEnsure = false;\n // For GENERIC build we need to add support for different fake file loaders\n // for different frameworks.\n if (typeof window === 'undefined') {\n // node.js - disable worker and set require.ensure.\n isWorkerDisabled = true;\n if (typeof __non_webpack_require__.ensure === 'undefined') {\n __non_webpack_require__.ensure = __non_webpack_require__('node-ensure');\n }\n useRequireEnsure = true;\n } else if (typeof __non_webpack_require__ !== 'undefined' &&\n typeof __non_webpack_require__.ensure === 'function') {\n useRequireEnsure = true;\n }\n if (typeof requirejs !== 'undefined' && requirejs.toUrl) {\n fallbackWorkerSrc = requirejs.toUrl('pdfjs-dist/build/pdf.worker.js');\n }\n const dynamicLoaderSupported =\n typeof requirejs !== 'undefined' && requirejs.load;\n fakeWorkerFilesLoader = useRequireEnsure ? (function() {\n return new Promise(function(resolve, reject) {\n __non_webpack_require__.ensure([], function() {\n try {\n let worker;\n if (typeof PDFJSDev !== 'undefined' && PDFJSDev.test('LIB')) {\n worker = __non_webpack_require__('../pdf.worker.js');\n } else {\n worker = __non_webpack_require__('./pdf.worker.js');\n }\n resolve(worker.WorkerMessageHandler);\n } catch (ex) {\n reject(ex);\n }\n }, reject, 'pdfjsWorker');\n });\n }) : dynamicLoaderSupported ? (function() {\n return new Promise(function(resolve, reject) {\n requirejs(['pdfjs-dist/build/pdf.worker'], function(worker) {\n try {\n resolve(worker.WorkerMessageHandler);\n } catch (ex) {\n reject(ex);\n }\n }, reject);\n });\n }) : null;\n\n if (!fallbackWorkerSrc && typeof document !== 'undefined') {\n const pdfjsFilePath = document.currentScript && document.currentScript.src;\n if (pdfjsFilePath) {\n fallbackWorkerSrc =\n pdfjsFilePath.replace(/(\\.(?:min\\.)?js)(\\?.*)?$/i, '.worker$1$2');\n }\n }\n}\n\n/**\n * @typedef {function} IPDFStreamFactory\n * @param {DocumentInitParameters} params The document initialization\n * parameters. The \"url\" key is always present.\n * @return {IPDFStream}\n */\n\n/** @type IPDFStreamFactory */\nvar createPDFNetworkStream;\n\n/**\n * Sets the function that instantiates a IPDFStream as an alternative PDF data\n * transport.\n * @param {IPDFStreamFactory} pdfNetworkStreamFactory - the factory function\n * that takes document initialization parameters (including a \"url\") and returns\n * an instance of IPDFStream.\n */\nfunction setPDFNetworkStreamFactory(pdfNetworkStreamFactory) {\n createPDFNetworkStream = pdfNetworkStreamFactory;\n}\n\n/**\n * Document initialization / loading parameters object.\n *\n * @typedef {Object} DocumentInitParameters\n * @property {string} url - The URL of the PDF.\n * @property {TypedArray|Array|string} data - Binary PDF data. Use typed arrays\n * (Uint8Array) to improve the memory usage. If PDF data is BASE64-encoded,\n * use atob() to convert it to a binary string first.\n * @property {Object} httpHeaders - Basic authentication headers.\n * @property {boolean} withCredentials - Indicates whether or not cross-site\n * Access-Control requests should be made using credentials such as cookies\n * or authorization headers. The default is false.\n * @property {string} password - For decrypting password-protected PDFs.\n * @property {TypedArray} initialData - A typed array with the first portion or\n * all of the pdf data. Used by the extension since some data is already\n * loaded before the switch to range requests.\n * @property {number} length - The PDF file length. It's used for progress\n * reports and range requests operations.\n * @property {PDFDataRangeTransport} range\n * @property {number} rangeChunkSize - Optional parameter to specify\n * maximum number of bytes fetched per range request. The default value is\n * 2^16 = 65536.\n * @property {PDFWorker} worker - (optional) The worker that will be used for\n * the loading and parsing of the PDF data.\n * @property {boolean} postMessageTransfers - (optional) Enables transfer usage\n * in postMessage for ArrayBuffers. The default value is `true`.\n * @property {number} verbosity - (optional) Controls the logging level; the\n * constants from {VerbosityLevel} should be used.\n * @property {string} docBaseUrl - (optional) The base URL of the document,\n * used when attempting to recover valid absolute URLs for annotations, and\n * outline items, that (incorrectly) only specify relative URLs.\n * @property {string} nativeImageDecoderSupport - (optional) Strategy for\n * decoding certain (simple) JPEG images in the browser. This is useful for\n * environments without DOM image and canvas support, such as e.g. Node.js.\n * Valid values are 'decode', 'display' or 'none'; where 'decode' is intended\n * for browsers with full image/canvas support, 'display' for environments\n * with limited image support through stubs (useful for SVG conversion),\n * and 'none' where JPEG images will be decoded entirely by PDF.js.\n * The default value is 'decode'.\n * @property {string} cMapUrl - (optional) The URL where the predefined\n * Adobe CMaps are located. Include trailing slash.\n * @property {boolean} cMapPacked - (optional) Specifies if the Adobe CMaps are\n * binary packed.\n * @property {Object} CMapReaderFactory - (optional) The factory that will be\n * used when reading built-in CMap files. Providing a custom factory is useful\n * for environments without `XMLHttpRequest` support, such as e.g. Node.js.\n * The default value is {DOMCMapReaderFactory}.\n * @property {boolean} stopAtErrors - (optional) Reject certain promises, e.g.\n * `getOperatorList`, `getTextContent`, and `RenderTask`, when the associated\n * PDF data cannot be successfully parsed, instead of attempting to recover\n * whatever possible of the data. The default value is `false`.\n * @property {number} maxImageSize - (optional) The maximum allowed image size\n * in total pixels, i.e. width * height. Images above this value will not be\n * rendered. Use -1 for no limit, which is also the default value.\n * @property {boolean} isEvalSupported - (optional) Determines if we can eval\n * strings as JS. Primarily used to improve performance of font rendering,\n * and when parsing PDF functions. The default value is `true`.\n * @property {boolean} disableFontFace - (optional) By default fonts are\n * converted to OpenType fonts and loaded via font face rules. If disabled,\n * fonts will be rendered using a built-in font renderer that constructs the\n * glyphs with primitive path commands. The default value is `false`.\n * @property {boolean} disableRange - (optional) Disable range request loading\n * of PDF files. When enabled, and if the server supports partial content\n * requests, then the PDF will be fetched in chunks.\n * The default value is `false`.\n * @property {boolean} disableStream - (optional) Disable streaming of PDF file\n * data. By default PDF.js attempts to load PDFs in chunks.\n * The default value is `false`.\n * @property {boolean} disableAutoFetch - (optional) Disable pre-fetching of PDF\n * file data. When range requests are enabled PDF.js will automatically keep\n * fetching more data even if it isn't needed to display the current page.\n * The default value is `false`.\n * NOTE: It is also necessary to disable streaming, see above,\n * in order for disabling of pre-fetching to work correctly.\n * @property {boolean} disableCreateObjectURL - (optional) Disable the use of\n * `URL.createObjectURL`, for compatibility with older browsers.\n * The default value is `false`.\n * @property {boolean} pdfBug - (optional) Enables special hooks for debugging\n * PDF.js (see `web/debugger.js`). The default value is `false`.\n */\n\n/**\n * @typedef {Object} PDFDocumentStats\n * @property {Array} streamTypes - Used stream types in the document (an item\n * is set to true if specific stream ID was used in the document).\n * @property {Array} fontTypes - Used font type in the document (an item is set\n * to true if specific font ID was used in the document).\n */\n\n/**\n * This is the main entry point for loading a PDF and interacting with it.\n * NOTE: If a URL is used to fetch the PDF data a standard XMLHttpRequest(XHR)\n * is used, which means it must follow the same origin rules that any XHR does\n * e.g. No cross domain requests without CORS.\n *\n * @param {string|TypedArray|DocumentInitParameters|PDFDataRangeTransport} src\n * Can be a url to where a PDF is located, a typed array (Uint8Array)\n * already populated with data or parameter object.\n *\n * @return {PDFDocumentLoadingTask}\n */\nfunction getDocument(src) {\n var task = new PDFDocumentLoadingTask();\n\n var source;\n if (typeof src === 'string') {\n source = { url: src, };\n } else if (isArrayBuffer(src)) {\n source = { data: src, };\n } else if (src instanceof PDFDataRangeTransport) {\n source = { range: src, };\n } else {\n if (typeof src !== 'object') {\n throw new Error('Invalid parameter in getDocument, ' +\n 'need either Uint8Array, string or a parameter object');\n }\n if (!src.url && !src.data && !src.range) {\n throw new Error(\n 'Invalid parameter object: need either .data, .range or .url');\n }\n\n source = src;\n }\n\n let params = Object.create(null);\n var rangeTransport = null;\n let worker = null;\n\n for (var key in source) {\n if (key === 'url' && typeof window !== 'undefined') {\n // The full path is required in the 'url' field.\n params[key] = new URL(source[key], window.location).href;\n continue;\n } else if (key === 'range') {\n rangeTransport = source[key];\n continue;\n } else if (key === 'worker') {\n worker = source[key];\n continue;\n } else if (key === 'data' && !(source[key] instanceof Uint8Array)) {\n // Converting string or array-like data to Uint8Array.\n var pdfBytes = source[key];\n if (typeof pdfBytes === 'string') {\n params[key] = stringToBytes(pdfBytes);\n } else if (typeof pdfBytes === 'object' && pdfBytes !== null &&\n !isNaN(pdfBytes.length)) {\n params[key] = new Uint8Array(pdfBytes);\n } else if (isArrayBuffer(pdfBytes)) {\n params[key] = new Uint8Array(pdfBytes);\n } else {\n throw new Error('Invalid PDF binary data: either typed array, ' +\n 'string or array-like object is expected in the ' +\n 'data property.');\n }\n continue;\n }\n params[key] = source[key];\n }\n\n params.rangeChunkSize = params.rangeChunkSize || DEFAULT_RANGE_CHUNK_SIZE;\n params.CMapReaderFactory = params.CMapReaderFactory || DOMCMapReaderFactory;\n params.ignoreErrors = params.stopAtErrors !== true;\n params.pdfBug = params.pdfBug === true;\n\n const NativeImageDecoderValues = Object.values(NativeImageDecoding);\n if (params.nativeImageDecoderSupport === undefined ||\n !NativeImageDecoderValues.includes(params.nativeImageDecoderSupport)) {\n params.nativeImageDecoderSupport =\n (apiCompatibilityParams.nativeImageDecoderSupport ||\n NativeImageDecoding.DECODE);\n }\n if (!Number.isInteger(params.maxImageSize)) {\n params.maxImageSize = -1;\n }\n if (typeof params.isEvalSupported !== 'boolean') {\n params.isEvalSupported = true;\n }\n if (typeof params.disableFontFace !== 'boolean') {\n params.disableFontFace = apiCompatibilityParams.disableFontFace || false;\n }\n\n if (typeof params.disableRange !== 'boolean') {\n params.disableRange = false;\n }\n if (typeof params.disableStream !== 'boolean') {\n params.disableStream = false;\n }\n if (typeof params.disableAutoFetch !== 'boolean') {\n params.disableAutoFetch = false;\n }\n if (typeof params.disableCreateObjectURL !== 'boolean') {\n params.disableCreateObjectURL =\n apiCompatibilityParams.disableCreateObjectURL || false;\n }\n\n // Set the main-thread verbosity level.\n setVerbosityLevel(params.verbosity);\n\n if (!worker) {\n const workerParams = {\n postMessageTransfers: params.postMessageTransfers,\n verbosity: params.verbosity,\n };\n // Worker was not provided -- creating and owning our own. If message port\n // is specified in global worker options, using it.\n let workerPort = GlobalWorkerOptions.workerPort;\n if (workerPort) {\n workerParams.port = workerPort;\n worker = PDFWorker.fromPort(workerParams);\n } else {\n worker = new PDFWorker(workerParams);\n }\n task._worker = worker;\n }\n var docId = task.docId;\n worker.promise.then(function () {\n if (task.destroyed) {\n throw new Error('Loading aborted');\n }\n return _fetchDocument(worker, params, rangeTransport, docId).then(\n function (workerId) {\n if (task.destroyed) {\n throw new Error('Loading aborted');\n }\n\n let networkStream;\n if (rangeTransport) {\n networkStream = new PDFDataTransportStream({\n length: params.length,\n initialData: params.initialData,\n disableRange: params.disableRange,\n disableStream: params.disableStream,\n }, rangeTransport);\n } else if (!params.data) {\n networkStream = createPDFNetworkStream({\n url: params.url,\n length: params.length,\n httpHeaders: params.httpHeaders,\n withCredentials: params.withCredentials,\n rangeChunkSize: params.rangeChunkSize,\n disableRange: params.disableRange,\n disableStream: params.disableStream,\n });\n }\n\n var messageHandler = new MessageHandler(docId, workerId, worker.port);\n messageHandler.postMessageTransfers = worker.postMessageTransfers;\n var transport = new WorkerTransport(messageHandler, task, networkStream,\n params);\n task._transport = transport;\n messageHandler.send('Ready', null);\n });\n }).catch(task._capability.reject);\n\n return task;\n}\n\n/**\n * Starts fetching of specified PDF document/data.\n * @param {PDFWorker} worker\n * @param {Object} source\n * @param {PDFDataRangeTransport} pdfDataRangeTransport\n * @param {string} docId Unique document id, used as MessageHandler id.\n * @returns {Promise} The promise, which is resolved when worker id of\n * MessageHandler is known.\n * @private\n */\nfunction _fetchDocument(worker, source, pdfDataRangeTransport, docId) {\n if (worker.destroyed) {\n return Promise.reject(new Error('Worker was destroyed'));\n }\n\n if (pdfDataRangeTransport) {\n source.length = pdfDataRangeTransport.length;\n source.initialData = pdfDataRangeTransport.initialData;\n }\n return worker.messageHandler.sendWithPromise('GetDocRequest', {\n docId,\n apiVersion: (typeof PDFJSDev !== 'undefined' ?\n PDFJSDev.eval('BUNDLE_VERSION') : null),\n source: { // Only send the required properties, and *not* the entire object.\n data: source.data,\n url: source.url,\n password: source.password,\n disableAutoFetch: source.disableAutoFetch,\n rangeChunkSize: source.rangeChunkSize,\n length: source.length,\n },\n maxImageSize: source.maxImageSize,\n disableFontFace: source.disableFontFace,\n disableCreateObjectURL: source.disableCreateObjectURL,\n postMessageTransfers: worker.postMessageTransfers,\n docBaseUrl: source.docBaseUrl,\n nativeImageDecoderSupport: source.nativeImageDecoderSupport,\n ignoreErrors: source.ignoreErrors,\n isEvalSupported: source.isEvalSupported,\n }).then(function (workerId) {\n if (worker.destroyed) {\n throw new Error('Worker was destroyed');\n }\n return workerId;\n });\n}\n\n/**\n * PDF document loading operation.\n * @class\n * @alias PDFDocumentLoadingTask\n */\nvar PDFDocumentLoadingTask = (function PDFDocumentLoadingTaskClosure() {\n var nextDocumentId = 0;\n\n /** @constructs PDFDocumentLoadingTask */\n function PDFDocumentLoadingTask() {\n this._capability = createPromiseCapability();\n this._transport = null;\n this._worker = null;\n\n /**\n * Unique document loading task id -- used in MessageHandlers.\n * @type {string}\n */\n this.docId = 'd' + (nextDocumentId++);\n\n /**\n * Shows if loading task is destroyed.\n * @type {boolean}\n */\n this.destroyed = false;\n\n /**\n * Callback to request a password if wrong or no password was provided.\n * The callback receives two parameters: function that needs to be called\n * with new password and reason (see {PasswordResponses}).\n */\n this.onPassword = null;\n\n /**\n * Callback to be able to monitor the loading progress of the PDF file\n * (necessary to implement e.g. a loading bar). The callback receives\n * an {Object} with the properties: {number} loaded and {number} total.\n */\n this.onProgress = null;\n\n /**\n * Callback to when unsupported feature is used. The callback receives\n * an {UNSUPPORTED_FEATURES} argument.\n */\n this.onUnsupportedFeature = null;\n }\n\n PDFDocumentLoadingTask.prototype =\n /** @lends PDFDocumentLoadingTask.prototype */ {\n /**\n * @return {Promise}\n */\n get promise() {\n return this._capability.promise;\n },\n\n /**\n * Aborts all network requests and destroys worker.\n * @return {Promise} A promise that is resolved after destruction activity\n * is completed.\n */\n destroy() {\n this.destroyed = true;\n\n var transportDestroyed = !this._transport ? Promise.resolve() :\n this._transport.destroy();\n return transportDestroyed.then(() => {\n this._transport = null;\n if (this._worker) {\n this._worker.destroy();\n this._worker = null;\n }\n });\n },\n\n /**\n * Registers callbacks to indicate the document loading completion.\n *\n * @param {function} onFulfilled The callback for the loading completion.\n * @param {function} onRejected The callback for the loading failure.\n * @return {Promise} A promise that is resolved after the onFulfilled or\n * onRejected callback.\n */\n then: function PDFDocumentLoadingTask_then(onFulfilled, onRejected) {\n return this.promise.then.apply(this.promise, arguments);\n },\n };\n\n return PDFDocumentLoadingTask;\n})();\n\n/**\n * Abstract class to support range requests file loading.\n * @param {number} length\n * @param {Uint8Array} initialData\n */\nclass PDFDataRangeTransport {\n constructor(length, initialData) {\n this.length = length;\n this.initialData = initialData;\n\n this._rangeListeners = [];\n this._progressListeners = [];\n this._progressiveReadListeners = [];\n this._readyCapability = createPromiseCapability();\n }\n\n addRangeListener(listener) {\n this._rangeListeners.push(listener);\n }\n\n addProgressListener(listener) {\n this._progressListeners.push(listener);\n }\n\n addProgressiveReadListener(listener) {\n this._progressiveReadListeners.push(listener);\n }\n\n onDataRange(begin, chunk) {\n for (const listener of this._rangeListeners) {\n listener(begin, chunk);\n }\n }\n\n onDataProgress(loaded) {\n this._readyCapability.promise.then(() => {\n for (const listener of this._progressListeners) {\n listener(loaded);\n }\n });\n }\n\n onDataProgressiveRead(chunk) {\n this._readyCapability.promise.then(() => {\n for (const listener of this._progressiveReadListeners) {\n listener(chunk);\n }\n });\n }\n\n transportReady() {\n this._readyCapability.resolve();\n }\n\n requestDataRange(begin, end) {\n unreachable('Abstract method PDFDataRangeTransport.requestDataRange');\n }\n\n abort() {}\n}\n\n/**\n * Proxy to a PDFDocument in the worker thread. Also, contains commonly used\n * properties that can be read synchronously.\n */\nclass PDFDocumentProxy {\n constructor(pdfInfo, transport, loadingTask) {\n this.loadingTask = loadingTask;\n\n this._pdfInfo = pdfInfo;\n this._transport = transport;\n }\n\n /**\n * @return {number} Total number of pages the PDF contains.\n */\n get numPages() {\n return this._pdfInfo.numPages;\n }\n\n /**\n * @return {string} A (not guaranteed to be) unique ID to identify a PDF.\n */\n get fingerprint() {\n return this._pdfInfo.fingerprint;\n }\n\n /**\n * @param {number} pageNumber - The page number to get. The first page is 1.\n * @return {Promise} A promise that is resolved with a {@link PDFPageProxy}\n * object.\n */\n getPage(pageNumber) {\n return this._transport.getPage(pageNumber);\n }\n\n /**\n * @param {{num: number, gen: number}} ref - The page reference. Must have\n * the `num` and `gen` properties.\n * @return {Promise} A promise that is resolved with the page index that is\n * associated with the reference.\n */\n getPageIndex(ref) {\n return this._transport.getPageIndex(ref);\n }\n\n /**\n * @return {Promise} A promise that is resolved with a lookup table for\n * mapping named destinations to reference numbers.\n *\n * This can be slow for large documents. Use `getDestination` instead.\n */\n getDestinations() {\n return this._transport.getDestinations();\n }\n\n /**\n * @param {string} id - The named destination to get.\n * @return {Promise} A promise that is resolved with all information\n * of the given named destination.\n */\n getDestination(id) {\n return this._transport.getDestination(id);\n }\n\n /**\n * @return {Promise} A promise that is resolved with an {Array} containing\n * the page labels that correspond to the page indexes, or `null` when\n * no page labels are present in the PDF file.\n */\n getPageLabels() {\n return this._transport.getPageLabels();\n }\n\n /**\n * @return {Promise} A promise that is resolved with a {string} containing\n * the page mode name.\n */\n getPageMode() {\n return this._transport.getPageMode();\n }\n\n /**\n * @return {Promise} A promise that is resolved with a lookup table for\n * mapping named attachments to their content.\n */\n getAttachments() {\n return this._transport.getAttachments();\n }\n\n /**\n * @return {Promise} A promise that is resolved with an {Array} of all the\n * JavaScript strings in the name tree, or `null` if no JavaScript exists.\n */\n getJavaScript() {\n return this._transport.getJavaScript();\n }\n\n /**\n * @return {Promise} A promise that is resolved with an {Array} that is a\n * tree outline (if it has one) of the PDF. The tree is in the format of:\n * [\n * {\n * title: string,\n * bold: boolean,\n * italic: boolean,\n * color: rgb Uint8ClampedArray,\n * dest: dest obj,\n * url: string,\n * items: array of more items like this\n * },\n * ...\n * ]\n */\n getOutline() {\n return this._transport.getOutline();\n }\n\n /**\n * @return {Promise} A promise that is resolved with an {Array} that contains\n * the permission flags for the PDF document, or `null` when\n * no permissions are present in the PDF file.\n */\n getPermissions() {\n return this._transport.getPermissions();\n }\n\n /**\n * @return {Promise} A promise that is resolved with an {Object} that has\n * `info` and `metadata` properties. `info` is an {Object} filled with\n * anything available in the information dictionary and similarly\n * `metadata` is a {Metadata} object with information from the metadata\n * section of the PDF.\n */\n getMetadata() {\n return this._transport.getMetadata();\n }\n\n /**\n * @return {Promise} A promise that is resolved with a {TypedArray} that has\n * the raw data from the PDF.\n */\n getData() {\n return this._transport.getData();\n }\n\n /**\n * @return {Promise} A promise that is resolved when the document's data\n * is loaded. It is resolved with an {Object} that contains the `length`\n * property that indicates size of the PDF data in bytes.\n */\n getDownloadInfo() {\n return this._transport.downloadInfoCapability.promise;\n }\n\n /**\n * @return {Promise} A promise this is resolved with current statistics about\n * document structures (see {@link PDFDocumentStats}).\n */\n getStats() {\n return this._transport.getStats();\n }\n\n /**\n * Cleans up resources allocated by the document, e.g. created `@font-face`.\n */\n cleanup() {\n this._transport.startCleanup();\n }\n\n /**\n * Destroys the current document instance and terminates the worker.\n */\n destroy() {\n return this.loadingTask.destroy();\n }\n\n /**\n * @return {Object} A subset of the current {DocumentInitParameters},\n * which are either needed in the viewer and/or whose default values\n * may be affected by the `apiCompatibilityParams`.\n */\n get loadingParams() {\n return this._transport.loadingParams;\n }\n}\n\n/**\n * Page getTextContent parameters.\n *\n * @typedef {Object} getTextContentParameters\n * @property {boolean} normalizeWhitespace - replaces all occurrences of\n * whitespace with standard spaces (0x20). The default value is `false`.\n * @property {boolean} disableCombineTextItems - do not attempt to combine\n * same line {@link TextItem}'s. The default value is `false`.\n */\n\n/**\n * Page text content.\n *\n * @typedef {Object} TextContent\n * @property {array} items - array of {@link TextItem}\n * @property {Object} styles - {@link TextStyles} objects, indexed by font name.\n */\n\n/**\n * Page text content part.\n *\n * @typedef {Object} TextItem\n * @property {string} str - text content.\n * @property {string} dir - text direction: 'ttb', 'ltr' or 'rtl'.\n * @property {array} transform - transformation matrix.\n * @property {number} width - width in device space.\n * @property {number} height - height in device space.\n * @property {string} fontName - font name used by pdf.js for converted font.\n */\n\n/**\n * Text style.\n *\n * @typedef {Object} TextStyle\n * @property {number} ascent - font ascent.\n * @property {number} descent - font descent.\n * @property {boolean} vertical - text is in vertical mode.\n * @property {string} fontFamily - possible font family\n */\n\n/**\n * Page annotation parameters.\n *\n * @typedef {Object} GetAnnotationsParameters\n * @property {string} intent - Determines the annotations that will be fetched,\n * can be either 'display' (viewable annotations) or 'print'\n * (printable annotations).\n * If the parameter is omitted, all annotations are fetched.\n */\n\n/**\n * Page render parameters.\n *\n * @typedef {Object} RenderParameters\n * @property {Object} canvasContext - A 2D context of a DOM Canvas object.\n * @property {PageViewport} viewport - Rendering viewport obtained by\n * calling of PDFPage.getViewport method.\n * @property {string} intent - Rendering intent, can be 'display' or 'print'\n * (default value is 'display').\n * @property {boolean} enableWebGL - (optional) Enables WebGL accelerated\n * rendering for some operations. The default value is `false`.\n * @property {boolean} renderInteractiveForms - (optional) Whether or not\n * interactive form elements are rendered in the display\n * layer. If so, we do not render them on canvas as well.\n * @property {Array} transform - (optional) Additional transform, applied\n * just before viewport transform.\n * @property {Object} imageLayer - (optional) An object that has beginLayout,\n * endLayout and appendImage functions.\n * @property {Object} canvasFactory - (optional) The factory that will be used\n * when creating canvases. The default value is\n * {DOMCanvasFactory}.\n * @property {Object} background - (optional) Background to use for the canvas.\n * Can use any valid canvas.fillStyle: A DOMString parsed as\n * CSS value, a CanvasGradient object (a linear or\n * radial gradient) or a CanvasPattern object (a repetitive\n * image). The default value is 'rgb(255,255,255)'.\n */\n\n/**\n * PDF page operator list.\n *\n * @typedef {Object} PDFOperatorList\n * @property {Array} fnArray - Array containing the operator functions.\n * @property {Array} argsArray - Array containing the arguments of the\n * functions.\n */\n\n/**\n * Proxy to a PDFPage in the worker thread.\n * @class\n * @alias PDFPageProxy\n */\nvar PDFPageProxy = (function PDFPageProxyClosure() {\n function PDFPageProxy(pageIndex, pageInfo, transport, pdfBug = false) {\n this.pageIndex = pageIndex;\n this._pageInfo = pageInfo;\n this.transport = transport;\n this._stats = (pdfBug ? new StatTimer() : DummyStatTimer);\n this._pdfBug = pdfBug;\n this.commonObjs = transport.commonObjs;\n this.objs = new PDFObjects();\n this.cleanupAfterRender = false;\n this.pendingCleanup = false;\n this.intentStates = Object.create(null);\n this.destroyed = false;\n }\n PDFPageProxy.prototype = /** @lends PDFPageProxy.prototype */ {\n /**\n * @return {number} Page number of the page. First page is 1.\n */\n get pageNumber() {\n return this.pageIndex + 1;\n },\n /**\n * @return {number} The number of degrees the page is rotated clockwise.\n */\n get rotate() {\n return this._pageInfo.rotate;\n },\n /**\n * @return {Object} The reference that points to this page. It has 'num' and\n * 'gen' properties.\n */\n get ref() {\n return this._pageInfo.ref;\n },\n /**\n * @return {number} The default size of units in 1/72nds of an inch.\n */\n get userUnit() {\n return this._pageInfo.userUnit;\n },\n /**\n * @return {Array} An array of the visible portion of the PDF page in the\n * user space units - [x1, y1, x2, y2].\n */\n get view() {\n return this._pageInfo.view;\n },\n\n /**\n * @param {number} scale The desired scale of the viewport.\n * @param {number} rotate Degrees to rotate the viewport. If omitted this\n * defaults to the page rotation.\n * @param {boolean} dontFlip (optional) If true, axis Y will not be flipped.\n * @return {PageViewport} Contains 'width' and 'height' properties\n * along with transforms required for rendering.\n */\n getViewport(scale, rotate = this.rotate, dontFlip = false) {\n return new PageViewport({\n viewBox: this.view,\n scale,\n rotation: rotate,\n dontFlip,\n });\n },\n /**\n * @param {GetAnnotationsParameters} params - Annotation parameters.\n * @return {Promise} A promise that is resolved with an {Array} of the\n * annotation objects.\n */\n getAnnotations: function PDFPageProxy_getAnnotations(params) {\n var intent = (params && params.intent) || null;\n\n if (!this.annotationsPromise || this.annotationsIntent !== intent) {\n this.annotationsPromise = this.transport.getAnnotations(this.pageIndex,\n intent);\n this.annotationsIntent = intent;\n }\n return this.annotationsPromise;\n },\n /**\n * Begins the process of rendering a page to the desired context.\n * @param {RenderParameters} params Page render parameters.\n * @return {RenderTask} An object that contains the promise, which\n * is resolved when the page finishes rendering.\n */\n render: function PDFPageProxy_render(params) {\n let stats = this._stats;\n stats.time('Overall');\n\n // If there was a pending destroy cancel it so no cleanup happens during\n // this call to render.\n this.pendingCleanup = false;\n\n var renderingIntent = (params.intent === 'print' ? 'print' : 'display');\n var canvasFactory = params.canvasFactory || new DOMCanvasFactory();\n let webGLContext = new WebGLContext({\n enable: params.enableWebGL,\n });\n\n if (!this.intentStates[renderingIntent]) {\n this.intentStates[renderingIntent] = Object.create(null);\n }\n var intentState = this.intentStates[renderingIntent];\n\n // If there's no displayReadyCapability yet, then the operatorList\n // was never requested before. Make the request and create the promise.\n if (!intentState.displayReadyCapability) {\n intentState.receivingOperatorList = true;\n intentState.displayReadyCapability = createPromiseCapability();\n intentState.operatorList = {\n fnArray: [],\n argsArray: [],\n lastChunk: false,\n };\n\n stats.time('Page Request');\n this.transport.messageHandler.send('RenderPageRequest', {\n pageIndex: this.pageNumber - 1,\n intent: renderingIntent,\n renderInteractiveForms: (params.renderInteractiveForms === true),\n });\n }\n\n var complete = (error) => {\n var i = intentState.renderTasks.indexOf(internalRenderTask);\n if (i >= 0) {\n intentState.renderTasks.splice(i, 1);\n }\n\n if (this.cleanupAfterRender) {\n this.pendingCleanup = true;\n }\n this._tryCleanup();\n\n if (error) {\n internalRenderTask.capability.reject(error);\n } else {\n internalRenderTask.capability.resolve();\n }\n stats.timeEnd('Rendering');\n stats.timeEnd('Overall');\n };\n\n var internalRenderTask = new InternalRenderTask(complete, params,\n this.objs,\n this.commonObjs,\n intentState.operatorList,\n this.pageNumber,\n canvasFactory,\n webGLContext,\n this._pdfBug);\n internalRenderTask.useRequestAnimationFrame = renderingIntent !== 'print';\n if (!intentState.renderTasks) {\n intentState.renderTasks = [];\n }\n intentState.renderTasks.push(internalRenderTask);\n var renderTask = internalRenderTask.task;\n\n intentState.displayReadyCapability.promise.then((transparency) => {\n if (this.pendingCleanup) {\n complete();\n return;\n }\n stats.time('Rendering');\n internalRenderTask.initializeGraphics(transparency);\n internalRenderTask.operatorListChanged();\n }).catch(complete);\n\n return renderTask;\n },\n\n /**\n * @return {Promise} A promise resolved with an {@link PDFOperatorList}\n * object that represents page's operator list.\n */\n getOperatorList: function PDFPageProxy_getOperatorList() {\n function operatorListChanged() {\n if (intentState.operatorList.lastChunk) {\n intentState.opListReadCapability.resolve(intentState.operatorList);\n\n var i = intentState.renderTasks.indexOf(opListTask);\n if (i >= 0) {\n intentState.renderTasks.splice(i, 1);\n }\n }\n }\n\n var renderingIntent = 'oplist';\n if (!this.intentStates[renderingIntent]) {\n this.intentStates[renderingIntent] = Object.create(null);\n }\n var intentState = this.intentStates[renderingIntent];\n var opListTask;\n\n if (!intentState.opListReadCapability) {\n opListTask = {};\n opListTask.operatorListChanged = operatorListChanged;\n intentState.receivingOperatorList = true;\n intentState.opListReadCapability = createPromiseCapability();\n intentState.renderTasks = [];\n intentState.renderTasks.push(opListTask);\n intentState.operatorList = {\n fnArray: [],\n argsArray: [],\n lastChunk: false,\n };\n\n this._stats.time('Page Request');\n this.transport.messageHandler.send('RenderPageRequest', {\n pageIndex: this.pageIndex,\n intent: renderingIntent,\n });\n }\n return intentState.opListReadCapability.promise;\n },\n\n /**\n * @param {getTextContentParameters} params - getTextContent parameters.\n * @return {ReadableStream} ReadableStream to read textContent chunks.\n */\n streamTextContent(params = {}) {\n const TEXT_CONTENT_CHUNK_SIZE = 100;\n return this.transport.messageHandler.sendWithStream('GetTextContent', {\n pageIndex: this.pageNumber - 1,\n normalizeWhitespace: (params.normalizeWhitespace === true),\n combineTextItems: (params.disableCombineTextItems !== true),\n }, {\n highWaterMark: TEXT_CONTENT_CHUNK_SIZE,\n size(textContent) {\n return textContent.items.length;\n },\n });\n },\n\n /**\n * @param {getTextContentParameters} params - getTextContent parameters.\n * @return {Promise} That is resolved a {@link TextContent}\n * object that represent the page text content.\n */\n getTextContent: function PDFPageProxy_getTextContent(params) {\n params = params || {};\n let readableStream = this.streamTextContent(params);\n\n return new Promise(function(resolve, reject) {\n function pump() {\n reader.read().then(function({ value, done, }) {\n if (done) {\n resolve(textContent);\n return;\n }\n Object.assign(textContent.styles, value.styles);\n textContent.items.push(...value.items);\n pump();\n }, reject);\n }\n\n let reader = readableStream.getReader();\n let textContent = {\n items: [],\n styles: Object.create(null),\n };\n\n pump();\n });\n },\n\n /**\n * Destroys page object.\n */\n _destroy: function PDFPageProxy_destroy() {\n this.destroyed = true;\n this.transport.pageCache[this.pageIndex] = null;\n\n var waitOn = [];\n Object.keys(this.intentStates).forEach(function(intent) {\n if (intent === 'oplist') {\n // Avoid errors below, since the renderTasks are just stubs.\n return;\n }\n var intentState = this.intentStates[intent];\n intentState.renderTasks.forEach(function(renderTask) {\n var renderCompleted = renderTask.capability.promise.\n catch(function () {}); // ignoring failures\n waitOn.push(renderCompleted);\n renderTask.cancel();\n });\n }, this);\n this.objs.clear();\n this.annotationsPromise = null;\n this.pendingCleanup = false;\n return Promise.all(waitOn);\n },\n\n /**\n * Cleans up resources allocated by the page.\n * @param {boolean} resetStats - (optional) Reset page stats, if enabled.\n * The default value is `false`.\n */\n cleanup(resetStats = false) {\n this.pendingCleanup = true;\n this._tryCleanup(resetStats);\n },\n /**\n * For internal use only. Attempts to clean up if rendering is in a state\n * where that's possible.\n * @ignore\n */\n _tryCleanup(resetStats = false) {\n if (!this.pendingCleanup ||\n Object.keys(this.intentStates).some(function(intent) {\n var intentState = this.intentStates[intent];\n return (intentState.renderTasks.length !== 0 ||\n intentState.receivingOperatorList);\n }, this)) {\n return;\n }\n\n Object.keys(this.intentStates).forEach(function(intent) {\n delete this.intentStates[intent];\n }, this);\n this.objs.clear();\n this.annotationsPromise = null;\n if (resetStats && this._stats instanceof StatTimer) {\n this._stats = new StatTimer();\n }\n this.pendingCleanup = false;\n },\n /**\n * For internal use only.\n * @ignore\n */\n _startRenderPage: function PDFPageProxy_startRenderPage(transparency,\n intent) {\n var intentState = this.intentStates[intent];\n // TODO Refactor RenderPageRequest to separate rendering\n // and operator list logic\n if (intentState.displayReadyCapability) {\n intentState.displayReadyCapability.resolve(transparency);\n }\n },\n /**\n * For internal use only.\n * @ignore\n */\n _renderPageChunk: function PDFPageProxy_renderPageChunk(operatorListChunk,\n intent) {\n var intentState = this.intentStates[intent];\n var i, ii;\n // Add the new chunk to the current operator list.\n for (i = 0, ii = operatorListChunk.length; i < ii; i++) {\n intentState.operatorList.fnArray.push(operatorListChunk.fnArray[i]);\n intentState.operatorList.argsArray.push(\n operatorListChunk.argsArray[i]);\n }\n intentState.operatorList.lastChunk = operatorListChunk.lastChunk;\n\n // Notify all the rendering tasks there are more operators to be consumed.\n for (i = 0; i < intentState.renderTasks.length; i++) {\n intentState.renderTasks[i].operatorListChanged();\n }\n\n if (operatorListChunk.lastChunk) {\n intentState.receivingOperatorList = false;\n this._tryCleanup();\n }\n },\n\n /**\n * @return {Object} Returns page stats, if enabled.\n */\n get stats() {\n return (this._stats instanceof StatTimer ? this._stats : null);\n },\n };\n return PDFPageProxy;\n})();\n\nclass LoopbackPort {\n constructor(defer = true) {\n this._listeners = [];\n this._defer = defer;\n this._deferred = Promise.resolve(undefined);\n }\n\n postMessage(obj, transfers) {\n function cloneValue(value) {\n // Trying to perform a structured clone close to the spec, including\n // transfers.\n if (typeof value !== 'object' || value === null) {\n return value;\n }\n if (cloned.has(value)) { // already cloned the object\n return cloned.get(value);\n }\n var result;\n var buffer;\n if ((buffer = value.buffer) && isArrayBuffer(buffer)) {\n // We found object with ArrayBuffer (typed array).\n var transferable = transfers && transfers.includes(buffer);\n if (value === buffer) {\n // Special case when we are faking typed arrays in compatibility.js.\n result = value;\n } else if (transferable) {\n result = new value.constructor(buffer, value.byteOffset,\n value.byteLength);\n } else {\n result = new value.constructor(value);\n }\n cloned.set(value, result);\n return result;\n }\n result = Array.isArray(value) ? [] : {};\n cloned.set(value, result); // adding to cache now for cyclic references\n // Cloning all value and object properties, however ignoring properties\n // defined via getter.\n for (var i in value) {\n var desc, p = value;\n while (!(desc = Object.getOwnPropertyDescriptor(p, i))) {\n p = Object.getPrototypeOf(p);\n }\n if (typeof desc.value === 'undefined' ||\n typeof desc.value === 'function') {\n continue;\n }\n result[i] = cloneValue(desc.value);\n }\n return result;\n }\n\n if (!this._defer) {\n this._listeners.forEach(function (listener) {\n listener.call(this, { data: obj, });\n }, this);\n return;\n }\n\n var cloned = new WeakMap();\n var e = { data: cloneValue(obj), };\n this._deferred.then(() => {\n this._listeners.forEach(function (listener) {\n listener.call(this, e);\n }, this);\n });\n }\n\n addEventListener(name, listener) {\n this._listeners.push(listener);\n }\n\n removeEventListener(name, listener) {\n var i = this._listeners.indexOf(listener);\n this._listeners.splice(i, 1);\n }\n\n terminate() {\n this._listeners = [];\n }\n}\n\n/**\n * @typedef {Object} PDFWorkerParameters\n * @property {string} name - (optional) The name of the worker.\n * @property {Object} port - (optional) The `workerPort`.\n * @property {boolean} postMessageTransfers - (optional) Enables transfer usage\n * in postMessage for ArrayBuffers. The default value is `true`.\n * @property {number} verbosity - (optional) Controls the logging level; the\n * constants from {VerbosityLevel} should be used.\n */\n\n/**\n * PDF.js web worker abstraction, it controls instantiation of PDF documents and\n * WorkerTransport for them. If creation of a web worker is not possible,\n * a \"fake\" worker will be used instead.\n * @class\n */\nvar PDFWorker = (function PDFWorkerClosure() {\n let nextFakeWorkerId = 0;\n\n function getWorkerSrc() {\n if (GlobalWorkerOptions.workerSrc) {\n return GlobalWorkerOptions.workerSrc;\n }\n if (typeof fallbackWorkerSrc !== 'undefined') {\n return fallbackWorkerSrc;\n }\n throw new Error('No \"GlobalWorkerOptions.workerSrc\" specified.');\n }\n\n function getMainThreadWorkerMessageHandler() {\n try {\n if (typeof window !== 'undefined') {\n return (window.pdfjsWorker && window.pdfjsWorker.WorkerMessageHandler);\n }\n } catch (ex) { }\n return null;\n }\n\n let fakeWorkerFilesLoadedCapability;\n\n // Loads worker code into main thread.\n function setupFakeWorkerGlobal() {\n if (fakeWorkerFilesLoadedCapability) {\n return fakeWorkerFilesLoadedCapability.promise;\n }\n fakeWorkerFilesLoadedCapability = createPromiseCapability();\n\n let mainWorkerMessageHandler = getMainThreadWorkerMessageHandler();\n if (mainWorkerMessageHandler) {\n // The worker was already loaded using a `