102 lines
3.3 KiB
C++
102 lines
3.3 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_CombineChannelsOperation.h"
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#include "BLI_utildefines.h"
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CombineChannelsOperation::CombineChannelsOperation() : NodeOperation()
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{
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this->addInputSocket(COM_DT_VALUE);
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this->addInputSocket(COM_DT_VALUE);
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this->addInputSocket(COM_DT_VALUE);
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this->addInputSocket(COM_DT_VALUE);
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this->addOutputSocket(COM_DT_COLOR);
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this->setResolutionInputSocketIndex(0);
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this->m_inputChannel1Operation = NULL;
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this->m_inputChannel2Operation = NULL;
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this->m_inputChannel3Operation = NULL;
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this->m_inputChannel4Operation = NULL;
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}
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bool CombineChannelsOperation::determineDependingAreaOfInterest(rcti *input, ReadBufferOperation *readOperation, rcti *output)
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{
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rcti tempOutput;
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bool first = true;
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for (int i = 0 ; i < 4 ; i ++) {
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NodeOperation * inputOperation = this->getInputOperation(i);
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if (inputOperation->determineDependingAreaOfInterest(input, readOperation, &tempOutput)) {
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if (first) {
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output->xmin = tempOutput.xmin;
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output->ymin = tempOutput.ymin;
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output->xmax = tempOutput.xmax;
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output->ymax = tempOutput.ymax;
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first = false;
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} else {
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output->xmin = MIN2(output->xmin, tempOutput.xmin);
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output->ymin = MIN2(output->ymin, tempOutput.ymin);
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output->xmax = MAX2(output->xmax, tempOutput.xmax);
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output->ymax = MAX2(output->ymax, tempOutput.ymax);
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}
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}
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}
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return !first;
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}
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void CombineChannelsOperation::initExecution()
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{
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this->m_inputChannel1Operation = this->getInputSocketReader(0);
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this->m_inputChannel2Operation = this->getInputSocketReader(1);
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this->m_inputChannel3Operation = this->getInputSocketReader(2);
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this->m_inputChannel4Operation = this->getInputSocketReader(3);
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}
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void CombineChannelsOperation::deinitExecution()
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{
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this->m_inputChannel1Operation = NULL;
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this->m_inputChannel2Operation = NULL;
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this->m_inputChannel3Operation = NULL;
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this->m_inputChannel4Operation = NULL;
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}
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void CombineChannelsOperation::executePixel(float *color, float x, float y, PixelSampler sampler)
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{
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float input[4];
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/// @todo: remove if statements
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if (this->m_inputChannel1Operation) {
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this->m_inputChannel1Operation->read(input, x, y, sampler);
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color[0] = input[0];
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}
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if (this->m_inputChannel2Operation) {
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this->m_inputChannel2Operation->read(input, x, y, sampler);
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color[1] = input[0];
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}
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if (this->m_inputChannel3Operation) {
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this->m_inputChannel3Operation->read(input, x, y, sampler);
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color[2] = input[0];
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}
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if (this->m_inputChannel4Operation) {
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this->m_inputChannel4Operation->read(input, x, y, sampler);
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color[3] = input[0];
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}
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}
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