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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_FilterNode.h"
#include "BKE_node.h"
#include "COM_ConvolutionEdgeFilterOperation.h"
namespace blender::compositor {
FilterNode::FilterNode(bNode *editorNode) : Node(editorNode)
{
/* pass */
}
void FilterNode::convertToOperations(NodeConverter &converter,
const CompositorContext & /*context*/) const
{
NodeInput *inputSocket = this->getInputSocket(0);
NodeInput *inputImageSocket = this->getInputSocket(1);
NodeOutput *outputSocket = this->getOutputSocket(0);
ConvolutionFilterOperation *operation = nullptr;
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 ConvolutionEdgeFilterOperation();
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;
}
converter.addOperation(operation);
converter.mapInputSocket(inputImageSocket, operation->getInputSocket(0));
converter.mapInputSocket(inputSocket, operation->getInputSocket(1));
converter.mapOutputSocket(outputSocket, operation->getOutputSocket());
converter.addPreview(operation->getOutputSocket(0));
}
} // namespace blender::compositor
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