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/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 2011 Blender Foundation. */
#include "COM_FilterNode.h"
#include "BKE_node.h"
#include "COM_ConvolutionEdgeFilterOperation.h"
namespace blender::compositor {
FilterNode::FilterNode(bNode *editor_node) : Node(editor_node)
{
/* pass */
}
void FilterNode::convert_to_operations(NodeConverter &converter,
const CompositorContext & /*context*/) const
{
NodeInput *input_socket = this->get_input_socket(0);
NodeInput *input_image_socket = this->get_input_socket(1);
NodeOutput *output_socket = this->get_output_socket(0);
ConvolutionFilterOperation *operation = nullptr;
switch (this->get_bnode()->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_BOX:
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;
case CMP_FILT_SHARP_DIAMOND:
operation = new ConvolutionFilterOperation();
operation->set3x3Filter(0, -1, 0, -1, 5, -1, 0, -1, 0);
break;
default:
operation = new ConvolutionFilterOperation();
operation->set3x3Filter(0, 0, 0, 0, 1, 0, 0, 0, 0);
break;
}
converter.add_operation(operation);
converter.map_input_socket(input_image_socket, operation->get_input_socket(0));
converter.map_input_socket(input_socket, operation->get_input_socket(1));
converter.map_output_socket(output_socket, operation->get_output_socket());
converter.add_preview(operation->get_output_socket(0));
}
} // namespace blender::compositor
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