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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_ViewerNode.h"
#include "BKE_global.h"
#include "COM_ViewerOperation.h"
#include "COM_ExecutionSystem.h"
ViewerNode::ViewerNode(bNode *editorNode) : Node(editorNode)
{
/* pass */
}
void ViewerNode::convertToOperations(NodeConverter &converter, const CompositorContext &context) const
{
bNode *editorNode = this->getbNode();
bool do_output = (editorNode->flag & NODE_DO_OUTPUT_RECALC || context.isRendering()) && (editorNode->flag & NODE_DO_OUTPUT);
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);
Image *image = (Image *)this->getbNode()->id;
ImageUser *imageUser = (ImageUser *) this->getbNode()->storage;
ViewerOperation *viewerOperation = new ViewerOperation();
viewerOperation->setbNodeTree(context.getbNodeTree());
viewerOperation->setImage(image);
viewerOperation->setImageUser(imageUser);
viewerOperation->setChunkOrder((OrderOfChunks)editorNode->custom1);
viewerOperation->setCenterX(editorNode->custom3);
viewerOperation->setCenterY(editorNode->custom4);
/* alpha socket gives either 1 or a custom alpha value if "use alpha" is enabled */
viewerOperation->setUseAlphaInput(ignore_alpha || alphaSocket->isLinked());
viewerOperation->setViewSettings(context.getViewSettings());
viewerOperation->setDisplaySettings(context.getDisplaySettings());
viewerOperation->setResolutionInputSocketIndex(0);
if (!imageSocket->isLinked()) {
if (alphaSocket->isLinked()) {
viewerOperation->setResolutionInputSocketIndex(1);
}
}
converter.addOperation(viewerOperation);
converter.mapInputSocket(imageSocket, viewerOperation->getInputSocket(0));
/* only use alpha link if "use alpha" is enabled */
if (ignore_alpha)
converter.addInputValue(viewerOperation->getInputSocket(1), 1.0f);
else
converter.mapInputSocket(alphaSocket, viewerOperation->getInputSocket(1));
converter.mapInputSocket(depthSocket, viewerOperation->getInputSocket(2));
converter.addNodeInputPreview(imageSocket);
if (do_output)
converter.registerViewer(viewerOperation);
}
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