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/*
* 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_CompositorNode.h"
#include "COM_CompositorOperation.h"
#include "COM_ExecutionSystem.h"
CompositorNode::CompositorNode(bNode *editorNode) : Node(editorNode)
{
/* pass */
}
void CompositorNode::convertToOperations(NodeConverter &converter, const CompositorContext &context) const
{
bNode *editorNode = this->getbNode();
bool is_active = (editorNode->flag & NODE_DO_OUTPUT_RECALC) ||
context.isRendering();
bool ignore_alpha = (editorNode->custom2 & CMP_NODE_OUTPUT_IGNORE_ALPHA) != 0;
NodeInput *imageSocket = this->getInputSocket(0);
NodeInput *alphaSocket = this->getInputSocket(1);
NodeInput *depthSocket = this->getInputSocket(2);
CompositorOperation *compositorOperation = new CompositorOperation();
compositorOperation->setSceneName(context.getScene()->id.name);
compositorOperation->setRenderData(context.getRenderData());
compositorOperation->setViewName(context.getViewName());
compositorOperation->setbNodeTree(context.getbNodeTree());
/* alpha socket gives either 1 or a custom alpha value if "use alpha" is enabled */
compositorOperation->setUseAlphaInput(ignore_alpha || alphaSocket->isLinked());
compositorOperation->setActive(is_active);
converter.addOperation(compositorOperation);
converter.mapInputSocket(imageSocket, compositorOperation->getInputSocket(0));
/* only use alpha link if "use alpha" is enabled */
if (ignore_alpha)
converter.addInputValue(compositorOperation->getInputSocket(1), 1.0f);
else
converter.mapInputSocket(alphaSocket, compositorOperation->getInputSocket(1));
converter.mapInputSocket(depthSocket, compositorOperation->getInputSocket(2));
converter.addNodeInputPreview(imageSocket);
}
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