1 files changed, 67 insertions, 0 deletions
diff --git a/source/blender/compositor/nodes/COM_AlphaOverNode.cpp b/source/blender/compositor/nodes/COM_AlphaOverNode.cpp
new file mode 100644
index 00000000000..7cd26bc79b7
--- /dev/null
+++ b/source/blender/compositor/nodes/COM_AlphaOverNode.cpp
@@ -0,0 +1,67 @@
+/*
+ * 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_AlphaOverNode.h"
+
+#include "COM_MixBaseOperation.h"
+#include "COM_AlphaOverKeyOperation.h"
+#include "COM_AlphaOverMixedOperation.h"
+#include "COM_AlphaOverPremultiplyOperation.h"
+
+#include "COM_ExecutionSystem.h"
+#include "COM_SetValueOperation.h"
+#include "DNA_material_types.h" // the ramp types
+
+void AlphaOverNode::convertToOperations(ExecutionSystem *graph, CompositorContext * context) {
+	InputSocket *valueSocket = this->getInputSocket(0);
+	InputSocket *color1Socket = this->getInputSocket(1);
+	InputSocket *color2Socket = this->getInputSocket(2);
+	OutputSocket *outputSocket = this->getOutputSocket(0);
+	bNode* editorNode = this->getbNode();
+	
+	MixBaseOperation *convertProg;
+	NodeTwoFloats *ntf= (NodeTwoFloats*)editorNode->storage;
+	if (ntf->x!= 0.0f) {
+		AlphaOverMixedOperation *mixOperation  = new AlphaOverMixedOperation();
+		mixOperation->setX(ntf->x);
+		convertProg = mixOperation;
+	
+	} else if (editorNode->custom1) {
+		convertProg = new AlphaOverKeyOperation();
+	} else {
+		convertProg = new AlphaOverPremultiplyOperation();
+	}
+	
+	convertProg->setUseValueAlphaMultiply(false);
+	if (color1Socket->isConnected()) {
+		convertProg->setResolutionInputSocketIndex(1);
+	} else if (color2Socket->isConnected()) {
+		convertProg->setResolutionInputSocketIndex(2);
+	} else {
+		convertProg->setResolutionInputSocketIndex(0);
+	}
+	valueSocket->relinkConnections(convertProg->getInputSocket(0), true, 0, graph);
+	color1Socket->relinkConnections(convertProg->getInputSocket(1), true, 1, graph);
+	color2Socket->relinkConnections(convertProg->getInputSocket(2), true, 2, graph);
+	outputSocket->relinkConnections(convertProg->getOutputSocket(0));
+	graph->addOperation(convertProg);
+}