###############################################################################

#                                                                             #

# This file is part of a style sheet example from the Freestyle application   #

# Copyright (C) 2001-2004  Stephane Grabli (Stephane.Grabli@imag.fr)          #

#                                                                             #

# http://artis.imag.fr/Software/Freestyle                                     #

#                                                                             #

###############################################################################




from Freestyle import *
from Functions1D import *
from random import *


class pyZBP1D(BinaryPredicate1D):

	def getName(self):

		return "pyZBP1D"



 	def __call__(self, i1, i2):

		func = GetZF1D()

		return (func(i1) > func(i2))





class pyLengthBP1D(BinaryPredicate1D):

	def getName(self):

		return "LengthBP1D"



 	def __call__(self, i1, i2):

		return (i1.getLength2D() > i2.getLength2D())



class pySilhouetteFirstBP1D(BinaryPredicate1D):

	def getName(self):

		return "SilhouetteFirstBP1D"



 	def __call__(self, inter1, inter2):

		bpred = SameShapeIdBP1D()

		if (bpred(inter1, inter2) != 1):

			return 0

		if (inter1.getNature() & SILHOUETTE):

			return (inter2.getNature() & SILHOUETTE)

		return (inter1.getNature() == inter2.getNature())



class pyNatureBP1D(BinaryPredicate1D):

	def getName(self):

		return "NatureBP1D"



 	def __call__(self, inter1, inter2):

		return (inter1.getNature() & inter2.getNature())



class pyViewMapGradientNormBP1D(BinaryPredicate1D):

	def __init__(self,l, sampling=2.0):

		BinaryPredicate1D.__init__(self)

		self._GetGradient = pyViewMapGradientNormF1D(l, MEAN)

	def getName(self):

		return "pyViewMapGradientNormBP1D"

	def __call__(self, i1,i2):

		return (self._GetGradient(i1) > self._GetGradient(i2))



class pyShuffleBP1D(BinaryPredicate1D):

	def __init__(self):

		BinaryPredicate1D.__init__(self)

		seed(1)

	def getName(self):

		return "pyNearAndContourFirstBP1D"



 	def __call__(self, inter1, inter2):

		r1 = uniform(0,1)

		r2 = uniform(0,1)

		return (r1