1 files changed, 48 insertions, 0 deletions
diff --git a/source/blender/compositor/nodes/COM_SetAlphaNode.cc b/source/blender/compositor/nodes/COM_SetAlphaNode.cc
new file mode 100644
index 00000000000..233a5e96ff4
--- /dev/null
+++ b/source/blender/compositor/nodes/COM_SetAlphaNode.cc
@@ -0,0 +1,48 @@
+/*
+ * 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_SetAlphaNode.h"
+#include "COM_ExecutionSystem.h"
+#include "COM_SetAlphaMultiplyOperation.h"
+#include "COM_SetAlphaReplaceOperation.h"
+
+void SetAlphaNode::convertToOperations(NodeConverter &converter,
+                                       const CompositorContext & /*context*/) const
+{
+  const bNode *editorNode = this->getbNode();
+  const NodeSetAlpha *storage = static_cast<const NodeSetAlpha *>(editorNode->storage);
+  NodeOperation *operation = nullptr;
+  switch (storage->mode) {
+    case CMP_NODE_SETALPHA_MODE_APPLY:
+      operation = new SetAlphaMultiplyOperation();
+      break;
+    case CMP_NODE_SETALPHA_MODE_REPLACE_ALPHA:
+      operation = new SetAlphaReplaceOperation();
+      break;
+  }
+
+  if (!this->getInputSocket(0)->isLinked() && this->getInputSocket(1)->isLinked()) {
+    operation->setResolutionInputSocketIndex(1);
+  }
+
+  converter.addOperation(operation);
+
+  converter.mapInputSocket(getInputSocket(0), operation->getInputSocket(0));
+  converter.mapInputSocket(getInputSocket(1), operation->getInputSocket(1));
+  converter.mapOutputSocket(getOutputSocket(0), operation->getOutputSocket());
+}