1 files changed, 96 insertions, 0 deletions
diff --git a/source/blender/compositor/nodes/COM_FilterNode.cc b/source/blender/compositor/nodes/COM_FilterNode.cc
new file mode 100644
index 00000000000..1147c11794f
--- /dev/null
+++ b/source/blender/compositor/nodes/COM_FilterNode.cc
@@ -0,0 +1,96 @@
+/*
+ * 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"
+#include "COM_ConvolutionFilterOperation.h"
+#include "COM_ExecutionSystem.h"
+#include "COM_MixOperation.h"
+
+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));
+}