1 files changed, 54 insertions, 0 deletions
diff --git a/source/blender/compositor/nodes/COM_DifferenceMatteNode.cc b/source/blender/compositor/nodes/COM_DifferenceMatteNode.cc
new file mode 100644
index 00000000000..3d538e9b4a0
--- /dev/null
+++ b/source/blender/compositor/nodes/COM_DifferenceMatteNode.cc
@@ -0,0 +1,54 @@
+/*
+ * 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_DifferenceMatteNode.h"
+#include "BKE_node.h"
+#include "COM_DifferenceMatteOperation.h"
+#include "COM_SetAlphaMultiplyOperation.h"
+
+DifferenceMatteNode::DifferenceMatteNode(bNode *editorNode) : Node(editorNode)
+{
+  /* pass */
+}
+
+void DifferenceMatteNode::convertToOperations(NodeConverter &converter,
+                                              const CompositorContext & /*context*/) const
+{
+  NodeInput *inputSocket = this->getInputSocket(0);
+  NodeInput *inputSocket2 = this->getInputSocket(1);
+  NodeOutput *outputSocketImage = this->getOutputSocket(0);
+  NodeOutput *outputSocketMatte = this->getOutputSocket(1);
+  bNode *editorNode = this->getbNode();
+
+  DifferenceMatteOperation *operationSet = new DifferenceMatteOperation();
+  operationSet->setSettings((NodeChroma *)editorNode->storage);
+  converter.addOperation(operationSet);
+
+  converter.mapInputSocket(inputSocket, operationSet->getInputSocket(0));
+  converter.mapInputSocket(inputSocket2, operationSet->getInputSocket(1));
+  converter.mapOutputSocket(outputSocketMatte, operationSet->getOutputSocket(0));
+
+  SetAlphaMultiplyOperation *operation = new SetAlphaMultiplyOperation();
+  converter.addOperation(operation);
+
+  converter.mapInputSocket(inputSocket, operation->getInputSocket(0));
+  converter.addLink(operationSet->getOutputSocket(), operation->getInputSocket(1));
+  converter.mapOutputSocket(outputSocketImage, operation->getOutputSocket());
+
+  converter.addPreview(operation->getOutputSocket());
+}