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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_FilterNode.h"
#include "COM_ConvolutionFilterOperation.h"
#include "COM_ConvolutionEdgeFilterOperation.h"
#include "COM_ExecutionSystem.h"
#include "BKE_node.h"
#include "COM_MixBlendOperation.h"
FilterNode::FilterNode(bNode *editorNode): Node(editorNode)
{
}
void FilterNode::convertToOperations(ExecutionSystem *graph, CompositorContext * context)
{
InputSocket *inputSocket = this->getInputSocket(0);
InputSocket *inputImageSocket = this->getInputSocket(1);
OutputSocket *outputSocket = this->getOutputSocket(0);
ConvolutionFilterOperation *operation = NULL;
switch (this->getbNode()->custom1) {
case CMP_FILT_SOFT:
operation = new ConvolutionFilterOperation();
operation->set3x3Filter(1/16.0f, 2/16.0f, 1/16.0f, 2/16.0f, 4/16.0f, 2/16.0f, 1/16.0f, 2/16.0f, 1/16.0f);
break;
case CMP_FILT_SHARP:
operation = new ConvolutionFilterOperation();
operation->set3x3Filter(-1,-1,-1,-1,9,-1,-1,-1,-1);
break;
case CMP_FILT_LAPLACE:
operation = new ConvolutionFilterOperation();
operation->set3x3Filter(-1/8.0f, -1/8.0f, -1/8.0f, -1/8.0f, 1.0f, -1/8.0f, -1/8.0f, -1/8.0f, -1/8.0f);
break;
case CMP_FILT_SOBEL:
operation = new ConvolutionEdgeFilterOperation();
operation->set3x3Filter(1,2,1,0,0,0,-1,-2,-1);
break;
case CMP_FILT_PREWITT:
operation = new ConvolutionEdgeFilterOperation();
operation->set3x3Filter(1,1,1,0,0,0,-1,-1,-1);
break;
case CMP_FILT_KIRSCH:
operation = new ConvolutionEdgeFilterOperation();
operation->set3x3Filter(5,5,5,-3,-3,-3,-2,-2,-2);
break;
case CMP_FILT_SHADOW:
operation = new ConvolutionFilterOperation();
operation->set3x3Filter(1,2,1,0,1,0,-1,-2,-1);
break;
default:
operation = new ConvolutionFilterOperation();
operation->set3x3Filter(0,0,0,0,1,0,0,0,0);
break;
}
inputImageSocket->relinkConnections(operation->getInputSocket(0), true, 1, graph);
inputSocket->relinkConnections(operation->getInputSocket(1), true, 0, graph);
outputSocket->relinkConnections(operation->getOutputSocket());
addPreviewOperation(graph, operation->getOutputSocket(0), 5);
graph->addOperation(operation);
}
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