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/*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* Copyright 2011, Blender Foundation.
*/
#include "COM_AlphaOverNode.h"
#include "COM_AlphaOverKeyOperation.h"
#include "COM_AlphaOverMixedOperation.h"
#include "COM_AlphaOverPremultiplyOperation.h"
namespace blender::compositor {
void AlphaOverNode::convertToOperations(NodeConverter &converter,
const CompositorContext & /*context*/) const
{
NodeInput *color1Socket = this->getInputSocket(1);
NodeInput *color2Socket = this->getInputSocket(2);
bNode *editorNode = this->getbNode();
MixBaseOperation *convertProg;
NodeTwoFloats *ntf = (NodeTwoFloats *)editorNode->storage;
if (ntf->x != 0.0f) {
AlphaOverMixedOperation *mixOperation = new AlphaOverMixedOperation();
mixOperation->setX(ntf->x);
convertProg = mixOperation;
}
else if (editorNode->custom1) {
convertProg = new AlphaOverKeyOperation();
}
else {
convertProg = new AlphaOverPremultiplyOperation();
}
convertProg->setUseValueAlphaMultiply(false);
if (color1Socket->isLinked()) {
convertProg->set_canvas_input_index(1);
}
else if (color2Socket->isLinked()) {
convertProg->set_canvas_input_index(2);
}
else {
convertProg->set_canvas_input_index(0);
}
converter.addOperation(convertProg);
converter.mapInputSocket(getInputSocket(0), convertProg->getInputSocket(0));
converter.mapInputSocket(getInputSocket(1), convertProg->getInputSocket(1));
converter.mapInputSocket(getInputSocket(2), convertProg->getInputSocket(2));
converter.mapOutputSocket(getOutputSocket(0), convertProg->getOutputSocket(0));
}
} // namespace blender::compositor
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