57 lines
1.9 KiB
C++
57 lines
1.9 KiB
C++
/*
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* Copyright 2011, Blender Foundation.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* Contributor:
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* Jeroen Bakker
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* Monique Dewanchand
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*/
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#include "COM_MixDarkenOperation.h"
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MixDarkenOperation::MixDarkenOperation(): MixBaseOperation()
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{
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}
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void MixDarkenOperation::executePixel(float *outputValue, float x, float y, PixelSampler sampler, MemoryBuffer *inputBuffers[])
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{
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float inputColor1[4];
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float inputColor2[4];
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float value;
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inputValueOperation->read(&value, x, y, sampler, inputBuffers);
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inputColor1Operation->read(&inputColor1[0], x, y, sampler, inputBuffers);
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inputColor2Operation->read(&inputColor2[0], x, y, sampler, inputBuffers);
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if (this->useValueAlphaMultiply()) {
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value *= inputColor2[3];
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}
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float valuem = 1.0f - value;
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float tmp;
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tmp=inputColor2[0]+((1.0f-inputColor2[0])*valuem);
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if (tmp < inputColor1[0]) outputValue[0] = tmp;
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else outputValue[0] = inputColor1[0];
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tmp=inputColor2[1]+((1.0f-inputColor2[1])*valuem);
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if (tmp < inputColor1[1]) outputValue[1] = tmp;
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else outputValue[1] = inputColor1[1];
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tmp=inputColor2[2]+((1.0f-inputColor2[2])*valuem);
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if (tmp < inputColor1[2]) outputValue[2] = tmp;
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else outputValue[2] = inputColor1[2];
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outputValue[3] = inputColor1[3];
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}
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