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blender-archive/source/blender/compositor/intern/COM_SocketReader.h
Jeroen Bakker 044e818cf8 ____
`````|````` | |        |                        ..'''' 
     |      | |        |______               .''       
     |      | |        |                  ..'          
     |      | |_______ |___________ ....''             
               merge to TRUNK!

 * The old compositor is still available (Debug Menu: 200)

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 * Monique Dewanchand
 * Jeroen Bakker
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 * Lukas Tönne

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 * Brecht van Lommel

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 * Nate Wiebe
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Dylan Urquidi )
2012-05-17 12:49:33 +00:00

114 lines
3.9 KiB
C++

/*
* Copyright 2011, Blender Foundation.
*
* 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.
*
* Contributor:
* Jeroen Bakker
* Monique Dewanchand
*/
#ifndef _COM_SocketReader_h
#define _COM_SocketReader_h
#include "BLI_rect.h"
#include "COM_defines.h"
typedef enum PixelSampler {
COM_PS_NEAREST,
COM_PS_BILINEAR,
COM_PS_BICUBIC
} PixelSampler;
class MemoryBuffer;
/**
* @brief Helper class for reading socket data.
* Only use this class for dispatching (un-ary and n-ary) executions.
* @ingroup Execution
*/
class SocketReader {
private:
protected:
/**
* @brief Holds the width of the output of this operation.
*/
unsigned int width;
/**
* @brief Holds the height of the output of this operation.
*/
unsigned int height;
/**
* @brief calculate a single pixel
* @note this method is called for non-complex
* @param result is a float[4] array to store the result
* @param x the x-coordinate of the pixel to calculate in image space
* @param y the y-coordinate of the pixel to calculate in image space
* @param inputBuffers chunks that can be read by their ReadBufferOperation.
*/
virtual void executePixel(float* result, float x, float y, PixelSampler sampler, MemoryBuffer *inputBuffers[]) {}
/**
* @brief calculate a single pixel
* @note this method is called for complex
* @param result is a float[4] array to store the result
* @param x the x-coordinate of the pixel to calculate in image space
* @param y the y-coordinate of the pixel to calculate in image space
* @param inputBuffers chunks that can be read by their ReadBufferOperation.
* @param chunkData chunk specific data a during execution time.
*/
virtual void executePixel(float* result, int x, int y, MemoryBuffer *inputBuffers[], void* chunkData) {
executePixel(result, x, y, COM_PS_NEAREST, inputBuffers);
}
/**
* @brief calculate a single pixel using an EWA filter
* @note this method is called for complex
* @param result is a float[4] array to store the result
* @param x the x-coordinate of the pixel to calculate in image space
* @param y the y-coordinate of the pixel to calculate in image space
* @param dx
* @param dy
* @param inputBuffers chunks that can be read by their ReadBufferOperation.
*/
virtual void executePixel(float* result, float x, float y, float dx, float dy, MemoryBuffer *inputBuffers[]) {}
public:
inline void read(float* result, float x, float y, PixelSampler sampler, MemoryBuffer *inputBuffers[]) {
executePixel(result, x, y, sampler, inputBuffers);
}
inline void read(float* result, int x, int y, MemoryBuffer *inputBuffers[], void* chunkData) {
executePixel(result, x, y, inputBuffers, chunkData);
}
inline void read(float* result, float x, float y, float dx, float dy, MemoryBuffer *inputBuffers[]) {
executePixel(result, x, y, dx, dy, inputBuffers);
}
virtual void* initializeTileData(rcti *rect, MemoryBuffer** memoryBuffers) {
return 0;
}
virtual void deinitializeTileData(rcti *rect, MemoryBuffer** memoryBuffers, void* data) {
}
virtual MemoryBuffer* getInputMemoryBuffer(MemoryBuffer** memoryBuffers) {return 0;}
inline const unsigned int getWidth() const {return this->width;}
inline const unsigned int getHeight() const {return this->height;}
};
#endif