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/*
* 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_ReadBufferOperation_h
#define _COM_ReadBufferOperation_h
#include "COM_NodeOperation.h"
#include "COM_MemoryProxy.h"
class ReadBufferOperation: public NodeOperation {
private:
MemoryProxy *memoryProxy;
unsigned int offset;
public:
ReadBufferOperation();
int isBufferOperation() {return true;}
void setMemoryProxy(MemoryProxy* memoryProxy) {this->memoryProxy = memoryProxy;}
MemoryProxy* getMemoryProxy() {return this->memoryProxy;}
void determineResolution(unsigned int resolution[], unsigned int preferredResolution[]);
void* initializeTileData(rcti *rect, MemoryBuffer **memoryBuffers);
void executePixel(float* color, float x, float y, PixelSampler sampler, MemoryBuffer *inputBuffers[]);
void executePixel(float *color, float x, float y, float dx, float dy, MemoryBuffer *inputBuffers[]);
const bool isReadBufferOperation() const {return true;}
void setOffset(unsigned int offset) {this->offset = offset;}
unsigned int getOffset() {return this->offset;}
bool determineDependingAreaOfInterest(rcti * input, ReadBufferOperation *readOperation, rcti* output);
MemoryBuffer* getInputMemoryBuffer(MemoryBuffer** memoryBuffers) {return memoryBuffers[offset];}
};
#endif
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