71 lines
1.9 KiB
C++
71 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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* Dalai Felinto
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*/
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#include "COM_ConvertRGBToYCCOperation.h"
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#include "BLI_math_color.h"
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ConvertRGBToYCCOperation::ConvertRGBToYCCOperation() : NodeOperation()
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{
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this->addInputSocket(COM_DT_COLOR);
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this->addOutputSocket(COM_DT_COLOR);
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this->m_inputOperation = NULL;
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}
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void ConvertRGBToYCCOperation::initExecution()
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{
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this->m_inputOperation = this->getInputSocketReader(0);
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}
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void ConvertRGBToYCCOperation::setMode(int mode)
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{
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switch (mode) {
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case 1:
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this->m_mode = BLI_YCC_ITU_BT709;
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break;
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case 2:
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this->m_mode = BLI_YCC_JFIF_0_255;
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break;
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case 0:
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default:
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this->m_mode = BLI_YCC_ITU_BT601;
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break;
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}
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}
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void ConvertRGBToYCCOperation::executePixel(float *outputValue, float x, float y, PixelSampler sampler)
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{
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float inputColor[4];
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float color[3];
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this->m_inputOperation->read(inputColor, x, y, sampler);
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rgb_to_ycc(inputColor[0], inputColor[1], inputColor[2], &color[0], &color[1], &color[2], this->m_mode);
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/* divided by 255 to normalize for viewing in */
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/* R,G,B --> Y,Cb,Cr */
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mul_v3_v3fl(outputValue, color, 1.0f / 255.0f);
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outputValue[3] = inputColor[3];
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}
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void ConvertRGBToYCCOperation::deinitExecution()
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{
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this->m_inputOperation = NULL;
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}
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