1 files changed, 51 insertions, 0 deletions
diff --git a/source/blender/compositor/operations/COM_LensGlowImageOperation.cpp b/source/blender/compositor/operations/COM_LensGlowImageOperation.cpp
new file mode 100644
index 00000000000..935844a84f1
--- /dev/null
+++ b/source/blender/compositor/operations/COM_LensGlowImageOperation.cpp
@@ -0,0 +1,51 @@
+/*
+ * 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_LensGlowImageOperation.h"
+#include "BLI_math.h"
+
+LensGlowImageOperation::LensGlowImageOperation(): NodeOperation() {
+	this->addOutputSocket(COM_DT_COLOR);
+}
+void LensGlowImageOperation::initExecution() {
+	this->scale = 1/20000.0f;
+}
+void LensGlowImageOperation::executePixel(float* color, float x, float y, PixelSampler sampler, MemoryBuffer *inputBuffers[]) {
+	const float cs_r = 1.f, cs_g = 1.f, cs_b = 1.f;
+	const float v = 2.f*(y / (float)512.0f) - 1.f;
+	const float u = 2.f*(x / (float)512.0f) - 1.f;
+	const float r = (u*u + v*v)*scale;
+	const float d = -sqrtf(sqrtf(sqrtf(r)))*9.f;
+	const float w = (0.5f + 0.5f*cos((double)u*M_PI))*(0.5f + 0.5f*cos((double)v*M_PI));
+	color[0] = expf(d*cs_r) * w;
+	color[1] = expf(d*cs_g) * w;
+	color[2] = expf(d*cs_b) * w;
+	color[3] = 1.0f;
+}
+
+void LensGlowImageOperation::deinitExecution() {
+}
+
+void LensGlowImageOperation::determineResolution(unsigned int resolution[], unsigned int preferredResolution[]) {
+	resolution[0] = 512;
+	resolution[1] = 512;
+}