1 files changed, 47 insertions, 0 deletions
diff --git a/release/scripts/freestyle/style_modules/anisotropic_diffusion.py b/release/scripts/freestyle/style_modules/anisotropic_diffusion.py
new file mode 100644
index 00000000000..83cc9991d8b
--- /dev/null
+++ b/release/scripts/freestyle/style_modules/anisotropic_diffusion.py
@@ -0,0 +1,47 @@
+#
+#  Filename : anisotropic_diffusion.py
+#  Author   : Fredo Durand
+#  Date     : 12/08/2004
+#  Purpose  : Smoothes lines using an anisotropic diffusion scheme
+#
+#############################################################################  
+#
+#  Copyright (C) : Please refer to the COPYRIGHT file distributed 
+#  with this source distribution. 
+#
+#  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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+#
+#############################################################################
+
+from freestyle_init import *
+from logical_operators import *
+from shaders import *
+
+# pyDiffusion2Shader parameters
+offset = 0.25
+nbIter = 30
+
+upred = AndUP1D(QuantitativeInvisibilityUP1D(0), ExternalContourUP1D())
+Operators.select( upred )
+bpred = TrueBP1D()
+Operators.bidirectionalChain(ChainPredicateIterator(upred, bpred), NotUP1D(upred) )
+shaders_list = [
+    ConstantThicknessShader(4),
+    StrokeTextureShader("smoothAlpha.bmp", Stroke.OPAQUE_MEDIUM, 0),
+    SamplingShader(2),
+    pyDiffusion2Shader(offset, nbIter), 
+    IncreasingColorShader(1, 0, 0, 1, 0, 1, 0, 1)
+    ]
+Operators.create(TrueUP1D(), shaders_list)