1 files changed, 61 insertions, 0 deletions
diff --git a/source/blender/compositor/nodes/COM_ViewLevelsNode.cc b/source/blender/compositor/nodes/COM_ViewLevelsNode.cc
new file mode 100644
index 00000000000..7b86fb1d64d
--- /dev/null
+++ b/source/blender/compositor/nodes/COM_ViewLevelsNode.cc
@@ -0,0 +1,61 @@
+/*
+ * 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_ViewLevelsNode.h"
+#include "COM_CalculateMeanOperation.h"
+#include "COM_CalculateStandardDeviationOperation.h"
+#include "COM_ExecutionSystem.h"
+#include "COM_SetValueOperation.h"
+
+ViewLevelsNode::ViewLevelsNode(bNode *editorNode) : Node(editorNode)
+{
+  /* pass */
+}
+
+void ViewLevelsNode::convertToOperations(NodeConverter &converter,
+                                         const CompositorContext & /*context*/) const
+{
+  NodeInput *input = this->getInputSocket(0);
+  if (input->isLinked()) {
+    // add preview to inputSocket;
+
+    /* calculate mean operation */
+    {
+      CalculateMeanOperation *operation = new CalculateMeanOperation();
+      operation->setSetting(this->getbNode()->custom1);
+
+      converter.addOperation(operation);
+      converter.mapInputSocket(input, operation->getInputSocket(0));
+      converter.mapOutputSocket(this->getOutputSocket(0), operation->getOutputSocket());
+    }
+
+    /* calculate standard deviation operation */
+    {
+      CalculateStandardDeviationOperation *operation = new CalculateStandardDeviationOperation();
+      operation->setSetting(this->getbNode()->custom1);
+
+      converter.addOperation(operation);
+      converter.mapInputSocket(input, operation->getInputSocket(0));
+      converter.mapOutputSocket(this->getOutputSocket(1), operation->getOutputSocket());
+    }
+  }
+  else {
+    converter.addOutputValue(getOutputSocket(0), 0.0f);
+    converter.addOutputValue(getOutputSocket(1), 0.0f);
+  }
+}