Welcome to mirror list, hosted at ThFree Co, Russian Federation.

git.blender.org/blender.git - Unnamed repository; edit this file 'description' to name the repository.
summaryrefslogtreecommitdiff
path: root/source/gameengine/VideoTexture/ImageViewport.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'source/gameengine/VideoTexture/ImageViewport.cpp')
-rw-r--r--source/gameengine/VideoTexture/ImageViewport.cpp467
1 files changed, 0 insertions, 467 deletions
diff --git a/source/gameengine/VideoTexture/ImageViewport.cpp b/source/gameengine/VideoTexture/ImageViewport.cpp
deleted file mode 100644
index ad3d8875e28..00000000000
--- a/source/gameengine/VideoTexture/ImageViewport.cpp
+++ /dev/null
@@ -1,467 +0,0 @@
-/*
- * ***** BEGIN GPL LICENSE BLOCK *****
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
- *
- * Copyright (c) 2007 The Zdeno Ash Miklas
- *
- * This source file is part of VideoTexture library
- *
- * Contributor(s):
- *
- * ***** END GPL LICENSE BLOCK *****
- */
-
-/** \file gameengine/VideoTexture/ImageViewport.cpp
- * \ingroup bgevideotex
- */
-
-// implementation
-
-#include "EXP_PyObjectPlus.h"
-#include <structmember.h>
-
-#include "GPU_glew.h"
-
-#include "KX_PythonInit.h"
-#include "RAS_ICanvas.h"
-#include "Texture.h"
-#include "ImageBase.h"
-#include "VideoBase.h"
-#include "FilterSource.h"
-#include "ImageViewport.h"
-
-
-// constructor
-ImageViewport::ImageViewport (PyRASOffScreen *offscreen) : m_alpha(false), m_texInit(false)
-{
- // get viewport rectangle
- if (offscreen) {
- m_viewport[0] = 0;
- m_viewport[1] = 0;
- m_viewport[2] = offscreen->ofs->GetWidth();
- m_viewport[3] = offscreen->ofs->GetHeight();
- }
- else {
- RAS_Rect rect = KX_GetActiveEngine()->GetCanvas()->GetWindowArea();
- m_viewport[0] = rect.GetLeft();
- m_viewport[1] = rect.GetBottom();
- m_viewport[2] = rect.GetWidth();
- m_viewport[3] = rect.GetHeight();
- }
-
- //glGetIntegerv(GL_VIEWPORT, m_viewport);
- // create buffer for viewport image
- // Warning: this buffer is also used to get the depth buffer as an array of
- // float (1 float = 4 bytes per pixel)
- m_viewportImage = new BYTE [4 * getViewportSize()[0] * getViewportSize()[1]];
- // set attributes
- setWhole((offscreen) ? true : false);
-}
-
-// destructor
-ImageViewport::~ImageViewport (void)
-{
- delete [] m_viewportImage;
-}
-
-
-// use whole viewport to capture image
-void ImageViewport::setWhole (bool whole)
-{
- // set whole
- m_whole = whole;
- // set capture size to viewport size, if whole,
- // otherwise place area in the middle of viewport
- for (int idx = 0; idx < 2; ++idx)
- {
- // capture size
- m_capSize[idx] = whole ? short(getViewportSize()[idx])
- : calcSize(short(getViewportSize()[idx]));
- // position
- m_position[idx] = whole ? 0 : ((getViewportSize()[idx] - m_capSize[idx]) >> 1);
- }
- // init image
- init(m_capSize[0], m_capSize[1]);
- // set capture position
- setPosition();
-}
-
-void ImageViewport::setCaptureSize (short size[2])
-{
- m_whole = false;
- if (size == NULL)
- size = m_capSize;
- for (int idx = 0; idx < 2; ++idx)
- {
- if (size[idx] < 1)
- m_capSize[idx] = 1;
- else if (size[idx] > getViewportSize()[idx])
- m_capSize[idx] = short(getViewportSize()[idx]);
- else
- m_capSize[idx] = size[idx];
- }
- init(m_capSize[0], m_capSize[1]);
- // set capture position
- setPosition();
-}
-
-// set position of capture rectangle
-void ImageViewport::setPosition (GLint pos[2])
-{
- // if new position is not provided, use existing position
- if (pos == NULL) pos = m_position;
- // save position
- for (int idx = 0; idx < 2; ++idx)
- m_position[idx] = pos[idx] < 0 ? 0 : pos[idx] >= getViewportSize()[idx]
- - m_capSize[idx] ? getViewportSize()[idx] - m_capSize[idx] : pos[idx];
- // recalc up left corner
- for (int idx = 0; idx < 2; ++idx)
- m_upLeft[idx] = m_position[idx] + m_viewport[idx];
-}
-
-
-// capture image from viewport
-void ImageViewport::calcViewport (unsigned int texId, double ts, unsigned int format)
-{
- // if scale was changed
- if (m_scaleChange)
- // reset image
- init(m_capSize[0], m_capSize[1]);
- // if texture wasn't initialized
- if (!m_texInit && texId != 0) {
- // initialize it
- loadTexture(texId, m_image, m_size);
- m_texInit = true;
- }
- // if texture can be directly created
- if (texId != 0 && m_pyfilter == NULL && m_size[0] == m_capSize[0] &&
- m_size[1] == m_capSize[1] && !m_flip && !m_zbuff && !m_depth)
- {
- // just copy current viewport to texture
- glBindTexture(GL_TEXTURE_2D, texId);
- glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, m_upLeft[0], m_upLeft[1], (GLsizei)m_capSize[0], (GLsizei)m_capSize[1]);
- glBindTexture(GL_TEXTURE_2D, 0);
- // image is not available
- m_avail = false;
- }
- // otherwise copy viewport to buffer, if image is not available
- else if (!m_avail) {
- if (m_zbuff) {
- // Use read pixels with the depth buffer
- // *** misusing m_viewportImage here, but since it has the correct size
- // (4 bytes per pixel = size of float) and we just need it to apply
- // the filter, it's ok
- glReadPixels(m_upLeft[0], m_upLeft[1], (GLsizei)m_capSize[0], (GLsizei)m_capSize[1],
- GL_DEPTH_COMPONENT, GL_FLOAT, m_viewportImage);
- // filter loaded data
- FilterZZZA filt;
- filterImage(filt, (float *)m_viewportImage, m_capSize);
- }
- else {
-
- if (m_depth) {
- // Use read pixels with the depth buffer
- // See warning above about m_viewportImage.
- glReadPixels(m_upLeft[0], m_upLeft[1], (GLsizei)m_capSize[0], (GLsizei)m_capSize[1],
- GL_DEPTH_COMPONENT, GL_FLOAT, m_viewportImage);
- // filter loaded data
- FilterDEPTH filt;
- filterImage(filt, (float *)m_viewportImage, m_capSize);
- }
- else {
-
- // get frame buffer data
- if (m_alpha) {
- // as we are reading the pixel in the native format, we can read directly in the image buffer
- // if we are sure that no processing is needed on the image
- if (m_size[0] == m_capSize[0] &&
- m_size[1] == m_capSize[1] &&
- !m_flip &&
- !m_pyfilter)
- {
- glReadPixels(m_upLeft[0], m_upLeft[1], (GLsizei)m_capSize[0], (GLsizei)m_capSize[1], format,
- GL_UNSIGNED_BYTE, m_image);
- m_avail = true;
- }
- else if (!m_pyfilter) {
- glReadPixels(m_upLeft[0], m_upLeft[1], (GLsizei)m_capSize[0], (GLsizei)m_capSize[1], format,
- GL_UNSIGNED_BYTE, m_viewportImage);
- FilterRGBA32 filt;
- filterImage(filt, m_viewportImage, m_capSize);
- }
- else {
- glReadPixels(m_upLeft[0], m_upLeft[1], (GLsizei)m_capSize[0], (GLsizei)m_capSize[1], GL_RGBA,
- GL_UNSIGNED_BYTE, m_viewportImage);
- FilterRGBA32 filt;
- filterImage(filt, m_viewportImage, m_capSize);
- if (format == GL_BGRA) {
- // in place byte swapping
- swapImageBR();
- }
- }
- }
- else {
- glReadPixels(m_upLeft[0], m_upLeft[1], (GLsizei)m_capSize[0], (GLsizei)m_capSize[1], GL_RGB,
- GL_UNSIGNED_BYTE, m_viewportImage);
- // filter loaded data
- FilterRGB24 filt;
- filterImage(filt, m_viewportImage, m_capSize);
- if (format == GL_BGRA) {
- // in place byte swapping
- swapImageBR();
- }
- }
- }
- }
- }
-}
-
-bool ImageViewport::loadImage(unsigned int *buffer, unsigned int size, unsigned int format, double ts)
-{
- unsigned int *tmp_image;
- bool ret;
-
- // if scale was changed
- if (m_scaleChange) {
- // reset image
- init(m_capSize[0], m_capSize[1]);
- }
-
- // size must be identical
- if (size < getBuffSize())
- return false;
-
- if (m_avail) {
- // just copy
- return ImageBase::loadImage(buffer, size, format, ts);
- }
- else {
- tmp_image = m_image;
- m_image = buffer;
- calcViewport(0, ts, format);
- ret = m_avail;
- m_image = tmp_image;
- // since the image was not loaded to our buffer, it's not valid
- m_avail = false;
- }
- return ret;
-}
-
-
-// cast Image pointer to ImageViewport
-inline ImageViewport * getImageViewport (PyImage *self)
-{ return static_cast<ImageViewport*>(self->m_image); }
-
-
-// python methods
-
-
-// get whole
-PyObject *ImageViewport_getWhole (PyImage *self, void *closure)
-{
- if (self->m_image != NULL && getImageViewport(self)->getWhole()) Py_RETURN_TRUE;
- else Py_RETURN_FALSE;
-}
-
-// set whole
-int ImageViewport_setWhole(PyImage *self, PyObject *value, void *closure)
-{
- // check parameter, report failure
- if (value == NULL || !PyBool_Check(value))
- {
- PyErr_SetString(PyExc_TypeError, "The value must be a bool");
- return -1;
- }
- try
- {
- // set whole, can throw in case of resize and buffer exports
- if (self->m_image != NULL) getImageViewport(self)->setWhole(value == Py_True);
- }
- catch (Exception & exp)
- {
- exp.report();
- return -1;
- }
- // success
- return 0;
-}
-
-// get alpha
-PyObject *ImageViewport_getAlpha (PyImage *self, void *closure)
-{
- if (self->m_image != NULL && getImageViewport(self)->getAlpha()) Py_RETURN_TRUE;
- else Py_RETURN_FALSE;
-}
-
-// set whole
-int ImageViewport_setAlpha(PyImage *self, PyObject *value, void *closure)
-{
- // check parameter, report failure
- if (value == NULL || !PyBool_Check(value))
- {
- PyErr_SetString(PyExc_TypeError, "The value must be a bool");
- return -1;
- }
- // set alpha
- if (self->m_image != NULL) getImageViewport(self)->setAlpha(value == Py_True);
- // success
- return 0;
-}
-
-
-// get position
-static PyObject *ImageViewport_getPosition (PyImage *self, void *closure)
-{
- GLint *pos = getImageViewport(self)->getPosition();
- PyObject *ret = PyTuple_New(2);
- PyTuple_SET_ITEM(ret, 0, PyLong_FromLong(pos[0]));
- PyTuple_SET_ITEM(ret, 1, PyLong_FromLong(pos[1]));
- return ret;
-}
-
-// set position
-static int ImageViewport_setPosition(PyImage *self, PyObject *value, void *closure)
-{
- // check validity of parameter
- if (value == NULL ||
- !(PyTuple_Check(value) || PyList_Check(value)) ||
- PySequence_Fast_GET_SIZE(value) != 2 ||
- !PyLong_Check(PySequence_Fast_GET_ITEM(value, 0)) ||
- !PyLong_Check(PySequence_Fast_GET_ITEM(value, 1)))
- {
- PyErr_SetString(PyExc_TypeError, "The value must be a sequence of 2 ints");
- return -1;
- }
- // set position
- GLint pos[2] = {
- GLint(PyLong_AsLong(PySequence_Fast_GET_ITEM(value, 0))),
- GLint(PyLong_AsLong(PySequence_Fast_GET_ITEM(value, 1)))
- };
- getImageViewport(self)->setPosition(pos);
- // success
- return 0;
-}
-
-// get capture size
-PyObject *ImageViewport_getCaptureSize (PyImage *self, void *closure)
-{
- short *size = getImageViewport(self)->getCaptureSize();
- PyObject *ret = PyTuple_New(2);
- PyTuple_SET_ITEM(ret, 0, PyLong_FromLong(size[0]));
- PyTuple_SET_ITEM(ret, 1, PyLong_FromLong(size[1]));
- return ret;
-}
-
-// set capture size
-int ImageViewport_setCaptureSize(PyImage *self, PyObject *value, void *closure)
-{
- // check validity of parameter
- if (value == NULL ||
- !(PyTuple_Check(value) || PyList_Check(value)) ||
- PySequence_Fast_GET_SIZE(value) != 2 ||
- !PyLong_Check(PySequence_Fast_GET_ITEM(value, 0)) ||
- !PyLong_Check(PySequence_Fast_GET_ITEM(value, 1)))
- {
- PyErr_SetString(PyExc_TypeError, "The value must be a sequence of 2 ints");
- return -1;
- }
- // set capture size
- short size[2] = {
- short(PyLong_AsLong(PySequence_Fast_GET_ITEM(value, 0))),
- short(PyLong_AsLong(PySequence_Fast_GET_ITEM(value, 1)))
- };
- try
- {
- // can throw in case of resize and buffer exports
- getImageViewport(self)->setCaptureSize(size);
- }
- catch (Exception & exp)
- {
- exp.report();
- return -1;
- }
- // success
- return 0;
-}
-
-
-// methods structure
-static PyMethodDef imageViewportMethods[] =
-{ // methods from ImageBase class
- {"refresh", (PyCFunction)Image_refresh, METH_VARARGS, "Refresh image - invalidate its current content"},
- {NULL}
-};
-// attributes structure
-static PyGetSetDef imageViewportGetSets[] =
-{
- {(char*)"whole", (getter)ImageViewport_getWhole, (setter)ImageViewport_setWhole, (char*)"use whole viewport to capture", NULL},
- {(char*)"position", (getter)ImageViewport_getPosition, (setter)ImageViewport_setPosition, (char*)"upper left corner of captured area", NULL},
- {(char*)"capsize", (getter)ImageViewport_getCaptureSize, (setter)ImageViewport_setCaptureSize, (char*)"size of viewport area being captured", NULL},
- {(char*)"alpha", (getter)ImageViewport_getAlpha, (setter)ImageViewport_setAlpha, (char*)"use alpha in texture", NULL},
- // attributes from ImageBase class
- {(char*)"valid", (getter)Image_valid, NULL, (char*)"bool to tell if an image is available", NULL},
- {(char*)"image", (getter)Image_getImage, NULL, (char*)"image data", NULL},
- {(char*)"size", (getter)Image_getSize, NULL, (char*)"image size", NULL},
- {(char*)"scale", (getter)Image_getScale, (setter)Image_setScale, (char*)"fast scale of image (near neighbor)", NULL},
- {(char*)"flip", (getter)Image_getFlip, (setter)Image_setFlip, (char*)"flip image vertically", NULL},
- {(char*)"zbuff", (getter)Image_getZbuff, (setter)Image_setZbuff, (char*)"use depth buffer as texture", NULL},
- {(char*)"depth", (getter)Image_getDepth, (setter)Image_setDepth, (char*)"get depth information from z-buffer as array of float", NULL},
- {(char*)"filter", (getter)Image_getFilter, (setter)Image_setFilter, (char*)"pixel filter", NULL},
- {NULL}
-};
-
-
-// define python type
-PyTypeObject ImageViewportType = {
- PyVarObject_HEAD_INIT(NULL, 0)
- "VideoTexture.ImageViewport", /*tp_name*/
- sizeof(PyImage), /*tp_basicsize*/
- 0, /*tp_itemsize*/
- (destructor)Image_dealloc, /*tp_dealloc*/
- 0, /*tp_print*/
- 0, /*tp_getattr*/
- 0, /*tp_setattr*/
- 0, /*tp_compare*/
- 0, /*tp_repr*/
- 0, /*tp_as_number*/
- 0, /*tp_as_sequence*/
- 0, /*tp_as_mapping*/
- 0, /*tp_hash */
- 0, /*tp_call*/
- 0, /*tp_str*/
- 0, /*tp_getattro*/
- 0, /*tp_setattro*/
- &imageBufferProcs, /*tp_as_buffer*/
- Py_TPFLAGS_DEFAULT, /*tp_flags*/
- "Image source from viewport", /* tp_doc */
- 0, /* tp_traverse */
- 0, /* tp_clear */
- 0, /* tp_richcompare */
- 0, /* tp_weaklistoffset */
- 0, /* tp_iter */
- 0, /* tp_iternext */
- imageViewportMethods, /* tp_methods */
- 0, /* tp_members */
- imageViewportGetSets, /* tp_getset */
- 0, /* tp_base */
- 0, /* tp_dict */
- 0, /* tp_descr_get */
- 0, /* tp_descr_set */
- 0, /* tp_dictoffset */
- (initproc)Image_init<ImageViewport>, /* tp_init */
- 0, /* tp_alloc */
- Image_allocNew, /* tp_new */
-};
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-01 18:29:13 +0300