forked from bartvdbraak/blender
74 lines
2.6 KiB
Python
74 lines
2.6 KiB
Python
# ##### BEGIN GPL LICENSE BLOCK #####
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software Foundation,
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# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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#
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# ##### END GPL LICENSE BLOCK #####
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# Filename : PredicatesB1D.py
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# Authors : Fredo Durand, Stephane Grabli, Francois Sillion, Emmanuel Turquin
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# Date : 08/04/2005
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# Purpose : Binary predicates (functors) to be used for 1D elements
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from freestyle import BinaryPredicate1D, GetZF1D, IntegrationType, Nature, SameShapeIdBP1D, ZDiscontinuityF1D
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from Functions1D import pyViewMapGradientNormF1D
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import random
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class pyZBP1D(BinaryPredicate1D):
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def __call__(self, i1, i2):
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func = GetZF1D()
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return (func(i1) > func(i2))
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class pyZDiscontinuityBP1D(BinaryPredicate1D):
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def __init__(self, iType = IntegrationType.MEAN):
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BinaryPredicate1D.__init__(self)
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self._GetZDiscontinuity = ZDiscontinuityF1D(iType)
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def __call__(self, i1, i2):
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return (self._GetZDiscontinuity(i1) > self._GetZDiscontinuity(i2))
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class pyLengthBP1D(BinaryPredicate1D):
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def __call__(self, i1, i2):
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return (i1.length_2d > i2.length_2d)
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class pySilhouetteFirstBP1D(BinaryPredicate1D):
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def __call__(self, inter1, inter2):
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bpred = SameShapeIdBP1D()
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if (bpred(inter1, inter2) != 1):
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return 0
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if (inter1.nature & Nature.SILHOUETTE):
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return (inter2.nature & Nature.SILHOUETTE) != 0
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return (inter1.nature == inter2.nature)
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class pyNatureBP1D(BinaryPredicate1D):
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def __call__(self, inter1, inter2):
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return (inter1.nature & inter2.nature)
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class pyViewMapGradientNormBP1D(BinaryPredicate1D):
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def __init__(self,l, sampling=2.0):
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BinaryPredicate1D.__init__(self)
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self._GetGradient = pyViewMapGradientNormF1D(l, IntegrationType.MEAN)
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def __call__(self, i1,i2):
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print("compare gradient")
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return (self._GetGradient(i1) > self._GetGradient(i2))
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class pyShuffleBP1D(BinaryPredicate1D):
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def __init__(self):
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BinaryPredicate1D.__init__(self)
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random.seed(1)
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def __call__(self, inter1, inter2):
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r1 = random.uniform(0,1)
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r2 = random.uniform(0,1)
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return (r1<r2)
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