1 files changed, 113 insertions, 0 deletions
diff --git a/source/blender/compositor/operations/COM_GlareSimpleStarOperation.cpp b/source/blender/compositor/operations/COM_GlareSimpleStarOperation.cpp
new file mode 100644
index 00000000000..ce3fd82acf0
--- /dev/null
+++ b/source/blender/compositor/operations/COM_GlareSimpleStarOperation.cpp
@@ -0,0 +1,113 @@
+/*
+ * 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_GlareSimpleStarOperation.h"
+
+void GlareSimpleStarOperation::generateGlare(float *data, MemoryBuffer *inputTile, NodeGlare *settings) {
+	int i, x, y, ym, yp, xm, xp;
+	float c[4] = {0,0,0,0}, tc[4] = {0,0,0,0};
+	const float f1 = 1.f - settings->fade, f2 = (1.f - f1)*0.5f;
+
+
+	MemoryBuffer* tbuf1 = inputTile->duplicate();
+	MemoryBuffer* tbuf2 = inputTile->duplicate();
+
+	for (i=0; i<settings->iter; i++) {
+//		// (x || x-1, y-1) to (x || x+1, y+1)
+//		// F
+		for (y=0; y<this->getHeight(); y++) {
+			ym = y - i;
+			yp = y + i;
+			for (x=0; x<this->getWidth(); x++) {
+				xm = x - i;
+				xp = x + i;
+				tbuf1->read(c, x, y);
+				c[0]*=f1; c[1]*=f1 ; c[2] *=f1;
+				tbuf1->read(tc, (settings->angle ? xm : x), ym);
+				c[0]+=tc[0]*f2;
+				c[1]+=tc[1]*f2;
+				c[2]+=tc[2]*f2;
+				tbuf1->read(tc, (settings->angle ? xp : x), yp);
+				c[0]+=tc[0]*f2;
+				c[1]+=tc[1]*f2;
+				c[2]+=tc[2]*f2;
+				c[3] = 1.0f;
+				tbuf1->writePixel(x, y, c);
+
+				tbuf2->read(c, x, y);
+				c[0]*=f1; c[1]*=f1 ; c[2] *=f1;
+				tbuf2->read(tc, xm, (settings->angle ? yp : y));
+				c[0]+=tc[0]*f2;
+				c[1]+=tc[1]*f2;
+				c[2]+=tc[2]*f2;
+				tbuf2->read(tc, xp, (settings->angle ? ym : y));
+				c[0]+=tc[0]*f2;
+				c[1]+=tc[1]*f2;
+				c[2]+=tc[2]*f2;
+				c[3] = 1.0f;
+				tbuf2->writePixel(x, y, c);
+
+			}
+		}
+//		// B
+		for (y=tbuf1->getHeight()-1; y>=0; y--) {
+			ym = y - i;
+			yp = y + i;
+			for (x=tbuf1->getWidth()-1; x>=0; x--) {
+				xm = x - i;
+				xp = x + i;
+				tbuf1->read(c, x, y);
+				c[0]*=f1; c[1]*=f1 ; c[2] *=f1;
+				tbuf1->read(tc, (settings->angle ? xm : x), ym);
+				c[0]+=tc[0]*f2;
+				c[1]+=tc[1]*f2;
+				c[2]+=tc[2]*f2;
+				tbuf1->read(tc, (settings->angle ? xp : x), yp);
+				c[0]+=tc[0]*f2;
+				c[1]+=tc[1]*f2;
+				c[2]+=tc[2]*f2;
+				c[3] = 1.0f;
+				tbuf1->writePixel(x, y, c);
+
+				tbuf2->read(c, x, y);
+				c[0]*=f1; c[1]*=f1 ; c[2] *=f1;
+				tbuf2->read(tc, xm, (settings->angle ? yp : y));
+				c[0]+=tc[0]*f2;
+				c[1]+=tc[1]*f2;
+				c[2]+=tc[2]*f2;
+				tbuf2->read(tc, xp, (settings->angle ? ym : y));
+				c[0]+=tc[0]*f2;
+				c[1]+=tc[1]*f2;
+				c[2]+=tc[2]*f2;
+				c[3] = 1.0f;
+				tbuf2->writePixel(x, y, c);
+			}
+		}
+	}
+
+	for (i = 0 ; i < this->getWidth()*this->getHeight()*4 ; i++) {
+		data[i] = tbuf1->getBuffer()[i] + tbuf2->getBuffer()[i];
+	}
+
+	delete tbuf1;
+	delete tbuf2;
+}