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blender-archive/source/blender/compositor/operations/COM_ChangeHSVOperation.cpp

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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_ChangeHSVOperation.h"
ChangeHSVOperation::ChangeHSVOperation(): NodeOperation() {
this->addInputSocket(COM_DT_COLOR);
this->addOutputSocket(COM_DT_COLOR);
this->inputOperation = NULL;
}
void ChangeHSVOperation::initExecution() {
this->inputOperation = getInputSocketReader(0);
}
void ChangeHSVOperation::deinitExecution() {
this->inputOperation = NULL;
}
void ChangeHSVOperation::executePixel(float* outputValue, float x, float y, PixelSampler sampler, MemoryBuffer *inputBuffers[]) {
float inputColor1[4];
inputOperation->read(inputColor1, x, y, sampler, inputBuffers);
outputValue[0] = inputColor1[0] + (this->hue - 0.5f);
if (outputValue[0]>1.0f) outputValue[0]-=1.0; else if (outputValue[0]<0.0) outputValue[0]+= 1.0;
outputValue[1] = inputColor1[1] * this->saturation;
outputValue[2] = inputColor1[2] * this->value;
outputValue[3] = inputColor1[3];
}