1 files changed, 68 insertions, 0 deletions
diff --git a/source/blender/freestyle/style_modules_blender/sequentialsplit_sketchy.py b/source/blender/freestyle/style_modules_blender/sequentialsplit_sketchy.py
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+++ b/source/blender/freestyle/style_modules_blender/sequentialsplit_sketchy.py
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+#
+#  Filename : sequentialsplit_sketchy.py
+#  Author   : Stephane Grabli
+#  Date     : 04/08/2005
+#  Purpose  : Use the sequential split with two different
+#             predicates to specify respectively the starting and
+#             the stopping extremities for strokes 
+#
+#############################################################################  
+#
+#  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 Blender.Freestyle import *
+from logical_operators import *
+from PredicatesU1D import *
+from PredicatesU0D import *
+from Functions0D import *
+
+## Predicate to tell whether a TVertex
+## corresponds to a change from 0 to 1 or not.
+class pyBackTVertexUP0D(UnaryPredicate0D):
+	def __init__(self):
+		UnaryPredicate0D.__init__(self)
+		self._getQI = QuantitativeInvisibilityF0D()
+	def getName(self):
+		return "pyBackTVertexUP0D"
+	def __call__(self, iter):
+		v = iter.getObject()
+		nat = v.getNature()
+		if(nat & T_VERTEX == 0):
+			return 0
+		if(self._getQI(iter) != 0):
+			return 1
+		return 0
+
+
+upred = QuantitativeInvisibilityUP1D(0)
+Operators.select(upred)
+Operators.bidirectionalChain(ChainSilhouetteIterator(), NotUP1D(upred))
+## starting and stopping predicates:
+start = pyVertexNatureUP0D(NON_T_VERTEX)
+stop = pyBackTVertexUP0D()
+Operators.sequentialSplit(start, stop, 10)
+shaders_list = [
+		SpatialNoiseShader(7, 120, 2, 1, 1), 
+		IncreasingThicknessShader(5, 8), 
+		ConstantColorShader(0.2, 0.2, 0.2, 1), 
+		TextureAssignerShader(4)
+		]
+Operators.create(TrueUP1D(), shaders_list)
+