feather option for dilate/erode node - needed for alpha masks so we can (blur in/out), currently only positive values supported.

1 files changed, 56 insertions, 0 deletions

diff --git a/source/blender/compositor/operations/COM_GaussianAlphaXBlurOperation.h b/source/blender/compositor/operations/COM_GaussianAlphaXBlurOperation.h
new file mode 100644
index 00000000000..2b5e4d33673
--- /dev/null
+++ b/source/blender/compositor/operations/COM_GaussianAlphaXBlurOperation.h
@@ -0,0 +1,56 @@
+/*
+ * 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
+ *		Campbell Barton
+ */
+
+#ifndef _COM_GaussianAlphaXBlurOperation_h
+#define _COM_GaussianAlphaXBlurOperation_h
+#include "COM_NodeOperation.h"
+#include "COM_BlurBaseOperation.h"
+
+class GaussianAlphaXBlurOperation : public BlurBaseOperation {
+private:
+	float *gausstab;
+	float *distbuf_inv;
+	int rad;
+	void updateGauss(MemoryBuffer **memoryBuffers);
+public:
+	GaussianAlphaXBlurOperation();
+
+	/**
+	 * @brief the inner loop of this program
+	 */
+	void executePixel(float *color, int x, int y, MemoryBuffer * inputBuffers[], void *data);
+	
+	/**
+	 * @brief initialize the execution
+	 */
+	void initExecution();
+
+	/**
+	 * @brief Deinitialize the execution
+	 */
+	void deinitExecution();
+	
+	void *initializeTileData(rcti *rect, MemoryBuffer **memoryBuffers);
+	bool determineDependingAreaOfInterest(rcti *input, ReadBufferOperation *readOperation, rcti *output);
+};
+#endif