1 files changed, 48 insertions, 0 deletions
diff --git a/source/blender/compositor/operations/COM_GlareThresholdOperation.cpp b/source/blender/compositor/operations/COM_GlareThresholdOperation.cpp
new file mode 100644
index 00000000000..cc8bda2730e
--- /dev/null
+++ b/source/blender/compositor/operations/COM_GlareThresholdOperation.cpp
@@ -0,0 +1,48 @@
+/*
+ * 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_GlareThresholdOperation.h"
+#include "BLI_math.h"
+
+GlareThresholdOperation::GlareThresholdOperation(): NodeOperation() {
+	this->addInputSocket(COM_DT_COLOR);
+	this->addOutputSocket(COM_DT_COLOR);
+	this->inputProgram = NULL;
+}
+void GlareThresholdOperation::initExecution() {
+	this->inputProgram = this->getInputSocketReader(0);
+}
+
+void GlareThresholdOperation::executePixel(float* color, float x, float y, PixelSampler sampler, MemoryBuffer *inputBuffers[]) {
+	this->inputProgram->read(color, x, y, sampler, inputBuffers);
+	if ((0.212671f*color[0] + 0.71516f*color[1] + 0.072169f*color[2]) >= threshold) {
+		color[0] -= threshold, color[1] -= threshold, color[2] -= threshold;
+		color[0] = MAX2(color[0], 0.f);
+		color[1] = MAX2(color[1], 0.f);
+		color[2] = MAX2(color[2], 0.f);
+	}
+	else color[0] = color[1] = color[2] = 0.f;
+}
+
+void GlareThresholdOperation::deinitExecution() {
+	this->inputProgram = NULL;
+}