tornavis/source/blender/compositor/nodes/COM_AlphaOverNode.cpp

72 lines
2.5 KiB
C++

/*
* Copyright 2011, Blender Foundation.
*
* 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.
*
* Contributor:
* Jeroen Bakker
* Monique Dewanchand
*/
#include "COM_AlphaOverNode.h"
#include "COM_MixBaseOperation.h"
#include "COM_AlphaOverKeyOperation.h"
#include "COM_AlphaOverMixedOperation.h"
#include "COM_AlphaOverPremultiplyOperation.h"
#include "COM_ExecutionSystem.h"
#include "COM_SetValueOperation.h"
#include "DNA_material_types.h" // the ramp types
void AlphaOverNode::convertToOperations(ExecutionSystem *graph, CompositorContext * context) {
InputSocket *valueSocket = this->getInputSocket(0);
InputSocket *color1Socket = this->getInputSocket(1);
InputSocket *color2Socket = this->getInputSocket(2);
OutputSocket *outputSocket = this->getOutputSocket(0);
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->isConnected()) {
convertProg->setResolutionInputSocketIndex(1);
}
else if (color2Socket->isConnected()) {
convertProg->setResolutionInputSocketIndex(2);
}
else {
convertProg->setResolutionInputSocketIndex(0);
}
valueSocket->relinkConnections(convertProg->getInputSocket(0), true, 0, graph);
color1Socket->relinkConnections(convertProg->getInputSocket(1), true, 1, graph);
color2Socket->relinkConnections(convertProg->getInputSocket(2), true, 2, graph);
outputSocket->relinkConnections(convertProg->getOutputSocket(0));
graph->addOperation(convertProg);
}