83 lines
2.7 KiB
C++
83 lines
2.7 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_SplitOperation.h"
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#include "BKE_image.h"
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#include "BLI_listbase.h"
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#include "BLI_math_color.h"
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#include "BLI_math_vector.h"
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#include "BLI_utildefines.h"
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#include "MEM_guardedalloc.h"
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#include "IMB_imbuf.h"
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#include "IMB_imbuf_types.h"
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namespace blender::compositor {
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SplitOperation::SplitOperation()
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{
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this->addInputSocket(DataType::Color);
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this->addInputSocket(DataType::Color);
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this->addOutputSocket(DataType::Color);
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this->m_image1Input = nullptr;
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this->m_image2Input = nullptr;
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}
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void SplitOperation::initExecution()
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{
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// When initializing the tree during initial load the width and height can be zero.
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this->m_image1Input = getInputSocketReader(0);
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this->m_image2Input = getInputSocketReader(1);
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}
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void SplitOperation::deinitExecution()
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{
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this->m_image1Input = nullptr;
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this->m_image2Input = nullptr;
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}
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void SplitOperation::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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int perc = this->m_xSplit ? this->m_splitPercentage * this->getWidth() / 100.0f :
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this->m_splitPercentage * this->getHeight() / 100.0f;
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bool image1 = this->m_xSplit ? x > perc : y > perc;
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if (image1) {
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this->m_image1Input->readSampled(output, x, y, PixelSampler::Nearest);
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}
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else {
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this->m_image2Input->readSampled(output, x, y, PixelSampler::Nearest);
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}
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}
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void SplitOperation::determineResolution(unsigned int resolution[2],
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unsigned int preferredResolution[2])
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{
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unsigned int tempPreferredResolution[2] = {0, 0};
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unsigned int tempResolution[2];
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this->getInputSocket(0)->determineResolution(tempResolution, tempPreferredResolution);
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this->setResolutionInputSocketIndex((tempResolution[0] && tempResolution[1]) ? 0 : 1);
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NodeOperation::determineResolution(resolution, preferredResolution);
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}
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} // namespace blender::compositor
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