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#  Filename : blueprint_squares.py
#  Author   : Emmanuel Turquin
#  Date     : 04/08/2005
#  Purpose  : Produces a blueprint using square contour strokes

from freestyle import ChainPredicateIterator, ConstantThicknessShader, ContourUP1D, IncreasingColorShader, \
    Operators, QuantitativeInvisibilityUP1D, SameShapeIdBP1D, TextureAssignerShader, TrueUP1D
from PredicatesU1D import pyHigherLengthUP1D
from logical_operators import AndUP1D, NotUP1D
from shaders import pyBluePrintSquaresShader, pyPerlinNoise1DShader

upred = AndUP1D(QuantitativeInvisibilityUP1D(0), ContourUP1D())
bpred = SameShapeIdBP1D()
Operators.select(upred)
Operators.bidirectional_chain(ChainPredicateIterator(upred, bpred), NotUP1D(upred))
Operators.select(pyHigherLengthUP1D(200))
shaders_list = [
    ConstantThicknessShader(8),
    pyBluePrintSquaresShader(2, 20),
    pyPerlinNoise1DShader(0.07, 10, 8),
    TextureAssignerShader(4),
    IncreasingColorShader(0.6, 0.3, 0.3, 0.7, 0.6, 0.3, 0.3, 0.3),
    ConstantThicknessShader(4),
    ]
Operators.create(TrueUP1D(), shaders_list)