1 files changed, 54 insertions, 0 deletions
diff --git a/source/blender/compositor/operations/COM_MixLinearLightOperation.cpp b/source/blender/compositor/operations/COM_MixLinearLightOperation.cpp
new file mode 100644
index 00000000000..413b09d7242
--- /dev/null
+++ b/source/blender/compositor/operations/COM_MixLinearLightOperation.cpp
@@ -0,0 +1,54 @@
+/*
+ * 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_MixLinearLightOperation.h"
+
+MixLinearLightOperation::MixLinearLightOperation(): MixBaseOperation() {
+}
+
+void MixLinearLightOperation::executePixel(float* outputValue, float x, float y, PixelSampler sampler, MemoryBuffer *inputBuffers[]) {
+	float inputColor1[4];
+	float inputColor2[4];
+	float value;
+	
+	inputValueOperation->read(&value, x, y, sampler, inputBuffers);
+	inputColor1Operation->read(&inputColor1[0], x, y, sampler, inputBuffers);
+	inputColor2Operation->read(&inputColor2[0], x, y, sampler, inputBuffers);
+	
+	if (this->useValueAlphaMultiply()) {
+		value *= inputColor2[3];
+	}
+	if (inputColor2[0] > 0.5f)
+			outputValue[0] = inputColor1[0] + value*(2.0f*(inputColor2[0]-0.5f));
+	else
+			outputValue[0] = inputColor1[0] + value*(2.0f*(inputColor2[0]) - 1.0f);
+	if (inputColor2[1] > 0.5f)
+			outputValue[1] = inputColor1[1] + value*(2.0f*(inputColor2[1]-0.5f));
+	else
+			outputValue[1] = inputColor1[1] + value*(2.0f*(inputColor2[1]) - 1.0f);
+	if (inputColor2[2] > 0.5f)
+			outputValue[2] = inputColor1[2] + value*(2.0f*(inputColor2[2]-0.5f));
+	else
+			outputValue[2] = inputColor1[2] + value*(2.0f*(inputColor2[2]) - 1.0f);
+	
+	outputValue[3] = inputColor1[3];
+}