1 files changed, 41 insertions, 0 deletions
diff --git a/source/blender/compositor/nodes/COM_ConvertAlphaNode.cc b/source/blender/compositor/nodes/COM_ConvertAlphaNode.cc
new file mode 100644
index 00000000000..2921b44c95b
--- /dev/null
+++ b/source/blender/compositor/nodes/COM_ConvertAlphaNode.cc
@@ -0,0 +1,41 @@
+/*
+ * 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 2012, Blender Foundation.
+ */
+
+#include "COM_ConvertAlphaNode.h"
+#include "COM_ConvertOperation.h"
+#include "COM_ExecutionSystem.h"
+
+void ConvertAlphaNode::convertToOperations(NodeConverter &converter,
+                                           const CompositorContext & /*context*/) const
+{
+  NodeOperation *operation = nullptr;
+  bNode *node = this->getbNode();
+
+  /* value hardcoded in rna_nodetree.c */
+  if (node->custom1 == 1) {
+    operation = new ConvertPremulToStraightOperation();
+  }
+  else {
+    operation = new ConvertStraightToPremulOperation();
+  }
+
+  converter.addOperation(operation);
+
+  converter.mapInputSocket(getInputSocket(0), operation->getInputSocket(0));
+  converter.mapOutputSocket(getOutputSocket(0), operation->getOutputSocket());
+}