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#  Filename : cartoon.py
#  Author   : Stephane Grabli
#  Date     : 04/08/2005
#  Purpose  : Draws colored lines. The color is automatically 
#             infered from each object's material in a cartoon-like
#             fashion.

from freestyle import BezierCurveShader, ChainSilhouetteIterator, ConstantThicknessShader, Operators, \
    QuantitativeInvisibilityUP1D, TrueUP1D
from logical_operators import NotUP1D
from shaders import pyMaterialColorShader

Operators.select(QuantitativeInvisibilityUP1D(0))
Operators.bidirectional_chain(ChainSilhouetteIterator(), NotUP1D(QuantitativeInvisibilityUP1D(0)))
shaders_list = [
    BezierCurveShader(3),
    ConstantThicknessShader(4),
    pyMaterialColorShader(0.8),
    ]
Operators.create(TrueUP1D(), shaders_list)
