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<?php
/**
* ownCloud
*
* @author Joas Schilling
* @copyright 2015 Joas Schilling nickvergessen@owncloud.com
*
* This file is licensed under the Affero General Public License version 3 or
* later.
* See the COPYING-README file.
*/
namespace OCP;
/**
* Class for basic image manipulation
*/
interface IImage {
/**
* Determine whether the object contains an image resource.
*
* @return bool
*/
public function valid();
/**
* Returns the MIME type of the image or an empty string if no image is loaded.
*
* @return string
*/
public function mimeType();
/**
* Returns the width of the image or -1 if no image is loaded.
*
* @return int
*/
public function width();
/**
* Returns the height of the image or -1 if no image is loaded.
*
* @return int
*/
public function height();
/**
* Returns the width when the image orientation is top-left.
*
* @return int
*/
public function widthTopLeft();
/**
* Returns the height when the image orientation is top-left.
*
* @return int
*/
public function heightTopLeft();
/**
* Outputs the image.
*
* @param string $mimeType
* @return bool
*/
public function show($mimeType = null);
/**
* Saves the image.
*
* @param string $filePath
* @param string $mimeType
* @return bool
*/
public function save($filePath = null, $mimeType = null);
/**
* @return resource Returns the image resource in any.
*/
public function resource();
/**
* @return string Returns the raw image data.
*/
public function data();
/**
* (I'm open for suggestions on better method name ;)
* Get the orientation based on EXIF data.
*
* @return int The orientation or -1 if no EXIF data is available.
*/
public function getOrientation();
/**
* (I'm open for suggestions on better method name ;)
* Fixes orientation based on EXIF data.
*
* @return bool.
*/
public function fixOrientation();
/**
* Resizes the image preserving ratio.
*
* @param integer $maxSize The maximum size of either the width or height.
* @return bool
*/
public function resize($maxSize);
/**
* @param int $width
* @param int $height
* @return bool
*/
public function preciseResize($width, $height);
/**
* Crops the image to the middle square. If the image is already square it just returns.
*
* @param int $size maximum size for the result (optional)
* @return bool for success or failure
*/
public function centerCrop($size = 0);
/**
* Crops the image from point $x$y with dimension $wx$h.
*
* @param int $x Horizontal position
* @param int $y Vertical position
* @param int $w Width
* @param int $h Height
* @return bool for success or failure
*/
public function crop($x, $y, $w, $h);
/**
* Resizes the image to fit within a boundary while preserving ratio.
*
* @param integer $maxWidth
* @param integer $maxHeight
* @return bool
*/
public function fitIn($maxWidth, $maxHeight);
}
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