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/*
* Copyright 2012, 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:
* Dalai Felinto
* Daniel Salazar
*/
#ifndef _COM_MapRangeOperation_h
#define _COM_MapRangeOperation_h
#include "COM_NodeOperation.h"
#include "DNA_texture_types.h"
/**
* this program converts an input color to an output value.
* it assumes we are in sRGB color space.
*/
class MapRangeOperation : public NodeOperation {
private:
/**
* Cached reference to the inputProgram
*/
SocketReader *m_inputOperation;
SocketReader *m_sourceMinOperation;
SocketReader *m_sourceMaxOperation;
SocketReader *m_destMinOperation;
SocketReader *m_destMaxOperation;
bool m_useClamp;
public:
/**
* Default constructor
*/
MapRangeOperation();
/**
* the inner loop of this program
*/
void executePixel(float output[4], float x, float y, PixelSampler sampler);
/**
* Initialize the execution
*/
void initExecution();
/**
* Deinitialize the execution
*/
void deinitExecution();
/**
* Clamp the output
*/
void setUseClamp(bool value) { this->m_useClamp = value; }
};
#endif
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