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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
*/
#include "COM_ConvertColorToBWOperation.h"
ConvertColorToBWOperation::ConvertColorToBWOperation() : NodeOperation()
{
this->addInputSocket(COM_DT_COLOR);
this->addOutputSocket(COM_DT_VALUE);
this->m_inputOperation = NULL;
}
void ConvertColorToBWOperation::initExecution()
{
this->m_inputOperation = this->getInputSocketReader(0);
}
void ConvertColorToBWOperation::executePixel(float output[4], float x, float y, PixelSampler sampler)
{
float inputColor[4];
this->m_inputOperation->read(inputColor, x, y, sampler);
output[0] = rgb_to_bw(inputColor);
}
void ConvertColorToBWOperation::deinitExecution()
{
this->m_inputOperation = NULL;
}
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