1 files changed, 52 insertions, 0 deletions
diff --git a/source/blender/compositor/operations/COM_MapValueOperation.cpp b/source/blender/compositor/operations/COM_MapValueOperation.cpp
new file mode 100644
index 00000000000..33d38b8475d
--- /dev/null
+++ b/source/blender/compositor/operations/COM_MapValueOperation.cpp
@@ -0,0 +1,52 @@
+/*
+ * 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_MapValueOperation.h"
+
+MapValueOperation::MapValueOperation(): NodeOperation() {
+	this->addInputSocket(COM_DT_VALUE);
+	this->addOutputSocket(COM_DT_VALUE);
+	this->inputOperation = NULL;
+}
+
+void MapValueOperation::initExecution() {
+	this->inputOperation = this->getInputSocketReader(0);
+}
+
+void MapValueOperation::executePixel(float* outputValue, float x, float y, PixelSampler sampler, MemoryBuffer *inputBuffers[]) {
+	float src[4];
+	inputOperation->read(src, x, y, sampler, inputBuffers);
+	TexMapping *texmap= this->settings;
+	float value = (src[0] + texmap->loc[0])*texmap->size[0];
+	if(texmap->flag & TEXMAP_CLIP_MIN)
+		if(value<texmap->min[0])
+			value= texmap->min[0];
+	if(texmap->flag & TEXMAP_CLIP_MAX)
+		if(value>texmap->max[0])
+			value= texmap->max[0];
+	
+	outputValue[0] = value;
+}
+
+void MapValueOperation::deinitExecution() {
+	this->inputOperation = NULL;
+}