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Diffstat (limited to 'source/gameengine/VideoTexture/ImageBase.h')
| -rw-r--r-- | source/gameengine/VideoTexture/ImageBase.h | 392 |
1 files changed, 0 insertions, 392 deletions
diff --git a/source/gameengine/VideoTexture/ImageBase.h b/source/gameengine/VideoTexture/ImageBase.h deleted file mode 100644 index 5a09c9a67b3..00000000000 --- a/source/gameengine/VideoTexture/ImageBase.h +++ /dev/null @@ -1,392 +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 blendTex library - * - * Contributor(s): - * - * ***** END GPL LICENSE BLOCK ***** - */ - -/** \file ImageBase.h - * \ingroup bgevideotex - */ - -#ifndef __IMAGEBASE_H__ -#define __IMAGEBASE_H__ - -#include "Common.h" - -#include <vector> -#include "EXP_PyObjectPlus.h" - -#include "PyTypeList.h" - -#include "FilterBase.h" - -#include "GPU_glew.h" - -// forward declarations -struct PyImage; -class ImageSource; - - -/// type for list of image sources -typedef std::vector<ImageSource*> ImageSourceList; - - -/// base class for image filters -class ImageBase -{ -public: - /// constructor - ImageBase (bool staticSrc = false); - /// destructor - virtual ~ImageBase(void); - /// release contained objects, if returns true, object should be deleted - virtual bool release(void); - - /// is an image available - bool isImageAvailable(void) - { return m_avail; } - /// get image - unsigned int *getImage(unsigned int texId = 0, double timestamp=-1.0); - /// get image size - short * getSize(void) { return m_size; } - /// get image buffer size - unsigned long getBuffSize(void) - { return m_size[0] * m_size[1] * sizeof(unsigned int); } - /// refresh image - invalidate its current content - virtual void refresh(void); - - /// get scale - bool getScale(void) { return m_scale; } - /// set scale - void setScale(bool scale) { m_scale = scale; m_scaleChange = true; } - /// get vertical flip - bool getFlip(void) { return m_flip; } - /// set vertical flip - void setFlip(bool flip) { m_flip = flip; } - /// get Z buffer - bool getZbuff(void) { return m_zbuff; } - /// set Z buffer - void setZbuff(bool zbuff) { m_zbuff = zbuff; } - /// get depth - bool getDepth(void) { return m_depth; } - /// set depth - void setDepth(bool depth) { m_depth = depth; } - - /// get source object - PyImage * getSource(const char *id); - /// set source object, return true, if source was set - bool setSource(const char *id, PyImage *source); - - /// get pixel filter - PyFilter * getFilter(void) { return m_pyfilter; } - /// set pixel filter - void setFilter(PyFilter * filt); - - /// calculate size(nearest power of 2) - static short calcSize(short size); - - /// calculate image from sources and send it to a target buffer instead of a texture - /// format is GL_RGBA or GL_BGRA - virtual bool loadImage(unsigned int *buffer, unsigned int size, unsigned int format, double ts); - - /// swap the B and R channel in-place in the image buffer - void swapImageBR(); - - /// number of buffer pointing to m_image, public because not handled by this class - int m_exports; - -protected: - /// image buffer - unsigned int * m_image; - /// image buffer size - unsigned int m_imgSize; - /// image size - short m_size[2]; - /// image is available - bool m_avail; - - /// scale image to power 2 sizes - bool m_scale; - /// scale was changed - bool m_scaleChange; - /// flip image vertically - bool m_flip; - /// use the Z buffer as a texture - bool m_zbuff; - /// extract the Z buffer with unisgned int precision - bool m_depth; - - /// source image list - ImageSourceList m_sources; - /// flag for disabling addition and deletion of sources - bool m_staticSources; - - /// pixel filter - PyFilter * m_pyfilter; - - /// initialize image data - void init(short width, short height); - - /// find source - ImageSourceList::iterator findSource(const char *id); - - /// create new source - virtual ImageSource *newSource(const char *id) { return NULL; } - - /// check source sizes - bool checkSourceSizes(void); - - /// calculate image from sources and set its availability - virtual void calcImage(unsigned int texId, double ts) {} - - /// perform loop detection - bool loopDetect(ImageBase * img); - - /// template for image conversion - template<class FLT, class SRC> void convImage(FLT & filter, SRC srcBuff, - short * srcSize) - { - // destination buffer - unsigned int * dstBuff = m_image; - // pixel size from filter - unsigned int pixSize = filter.firstPixelSize(); - // if no scaling is needed - if (srcSize[0] == m_size[0] && srcSize[1] == m_size[1]) - // if flipping isn't required - if (!m_flip) - // copy bitmap - for (short y = 0; y < m_size[1]; ++y) - for (short x = 0; x < m_size[0]; ++x, ++dstBuff, srcBuff += pixSize) - // copy pixel - *dstBuff = filter.convert(srcBuff, x, y, srcSize, pixSize); - // otherwise flip image top to bottom - else - { - // go to last row of image - srcBuff += srcSize[0] * (srcSize[1] - 1) * pixSize; - // copy bitmap - for (short y = m_size[1] - 1; y >= 0; --y, srcBuff -= 2 * srcSize[0] * pixSize) - for (short x = 0; x < m_size[0]; ++x, ++dstBuff, srcBuff += pixSize) - // copy pixel - *dstBuff = filter.convert(srcBuff, x, y, srcSize, pixSize); - } - // else scale picture (nearest neighbor) - else - { - // interpolation accumulator - int accHeight = srcSize[1] >> 1; - // if flipping is required - if (m_flip) - // go to last row of image - srcBuff += srcSize[0] * (srcSize[1] - 1) * pixSize; - // process image rows - for (int y = 0; y < srcSize[1]; ++y) - { - // increase height accum - accHeight += m_size[1]; - // if pixel row has to be drawn - if (accHeight >= srcSize[1]) - { - // decrease accum - accHeight -= srcSize[1]; - // width accum - int accWidth = srcSize[0] >> 1; - // process row - for (int x = 0; x < srcSize[0]; ++x) - { - // increase width accum - accWidth += m_size[0]; - // if pixel has to be drawn - if (accWidth >= srcSize[0]) - { - // decrease accum - accWidth -= srcSize[0]; - // convert pixel - *dstBuff = filter.convert(srcBuff, x, m_flip ? srcSize[1] - y - 1 : y, - srcSize, pixSize); - // next pixel - ++dstBuff; - } - // shift source pointer - srcBuff += pixSize; - } - } - // if pixel row will not be drawn - else - // move source pointer to next row - srcBuff += pixSize * srcSize[0]; - // if y flipping is required - if (m_flip) - // go to previous row of image - srcBuff -= 2 * pixSize * srcSize[0]; - } - } - } - - // template for specific filter preprocessing - template <class F, class SRC> void filterImage (F & filt, SRC srcBuff, short *srcSize) - { - // find first filter in chain - FilterBase * firstFilter = NULL; - if (m_pyfilter != NULL) firstFilter = m_pyfilter->m_filter->findFirst(); - // if first filter is available - if (firstFilter != NULL) - { - // python wrapper for filter - PyFilter pyFilt; - pyFilt.m_filter = &filt; - // set specified filter as first in chain - firstFilter->setPrevious(&pyFilt, false); - // convert video image - convImage(*(m_pyfilter->m_filter), srcBuff, srcSize); - // delete added filter - firstFilter->setPrevious(NULL, false); - } - // otherwise use given filter for conversion - else convImage(filt, srcBuff, srcSize); - // source was processed - m_avail = true; - } -}; - - -// python structure for image filter -struct PyImage -{ - PyObject_HEAD - // source object - ImageBase * m_image; -}; - - -// size of id -const int SourceIdSize = 32; - - -/// class for source of image -class ImageSource -{ -public: - /// constructor - ImageSource (const char *id); - /// destructor - virtual ~ImageSource (void); - - /// get id - const char * getId (void) { return m_id; } - /// compare id to argument - bool is (const char *id); - - /// get source object - PyImage * getSource (void) { return m_source; } - /// set source object - void setSource (PyImage *source); - - /// get image from source - unsigned int * getImage (double ts=-1.0); - /// get buffered image - unsigned int * getImageBuf (void) { return m_image; } - /// refresh source - void refresh (void); - - /// get image size - short * getSize (void) - { - static short defSize [] = {0, 0}; - return m_source != NULL ? m_source->m_image->getSize() : defSize; - } - -protected: - /// id of source - char m_id [SourceIdSize]; - /// pointer to source structure - PyImage * m_source; - /// buffered image from source - unsigned int * m_image; - -private: - /// default constructor is forbidden - ImageSource (void) {} -}; - -// list of python image types -extern PyTypeList pyImageTypes; - - -// functions for python interface - -// object initialization -template <class T> static int Image_init(PyObject *pySelf, PyObject *args, PyObject *kwds) -{ - PyImage *self = reinterpret_cast<PyImage *>(pySelf); - // create source object - if (self->m_image != NULL) delete self->m_image; - self->m_image = new T(); - // initialization succeded - return 0; -} - -// object allocation -PyObject *Image_allocNew(PyTypeObject *type, PyObject *args, PyObject *kwds); -// object deallocation -void Image_dealloc(PyImage *self); - -// get image data -PyObject *Image_getImage(PyImage *self, char *mode); -// get image size -PyObject *Image_getSize(PyImage *self, void *closure); -// refresh image - invalidate current content -PyObject *Image_refresh(PyImage *self, PyObject *args); - -// get scale -PyObject *Image_getScale(PyImage *self, void *closure); -// set scale -int Image_setScale(PyImage *self, PyObject *value, void *closure); -// get flip -PyObject *Image_getFlip(PyImage *self, void *closure); -// set flip -int Image_setFlip(PyImage *self, PyObject *value, void *closure); - -// get filter source object -PyObject *Image_getSource(PyImage *self, PyObject *args); -// set filter source object -PyObject *Image_setSource(PyImage *self, PyObject *args); -// get Z buffer -PyObject *Image_getZbuff(PyImage *self, void *closure); -// set Z buffer -int Image_setZbuff(PyImage *self, PyObject *value, void *closure); -// get depth -PyObject *Image_getDepth(PyImage *self, void *closure); -// set depth -int Image_setDepth(PyImage *self, PyObject *value, void *closure); - -// get pixel filter object -PyObject *Image_getFilter(PyImage *self, void *closure); -// set pixel filter object -int Image_setFilter(PyImage *self, PyObject *value, void *closure); -// check if a buffer can be extracted -PyObject *Image_valid(PyImage *self, void *closure); -// for buffer access to PyImage objects -extern PyBufferProcs imageBufferProcs; - -#endif |