55 lines
1.7 KiB
C++
55 lines
1.7 KiB
C++
/*
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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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* Copyright 2011, Blender Foundation.
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*/
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#include "COM_SetAlphaOperation.h"
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SetAlphaOperation::SetAlphaOperation()
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{
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this->addInputSocket(COM_DT_COLOR);
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this->addInputSocket(COM_DT_VALUE);
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this->addOutputSocket(COM_DT_COLOR);
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this->m_inputColor = nullptr;
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this->m_inputAlpha = nullptr;
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}
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void SetAlphaOperation::initExecution()
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{
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this->m_inputColor = getInputSocketReader(0);
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this->m_inputAlpha = getInputSocketReader(1);
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}
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void SetAlphaOperation::executePixelSampled(float output[4],
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float x,
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float y,
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PixelSampler sampler)
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{
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float alphaInput[4];
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this->m_inputColor->readSampled(output, x, y, sampler);
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this->m_inputAlpha->readSampled(alphaInput, x, y, sampler);
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output[3] = alphaInput[0];
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}
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void SetAlphaOperation::deinitExecution()
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{
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this->m_inputColor = nullptr;
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this->m_inputAlpha = nullptr;
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}
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