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# ##### BEGIN GPL LICENSE BLOCK #####
#
# 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#
# ##### END GPL LICENSE BLOCK #####
# Filename : sketchy_multiple_parameterization.py
# Author : Stephane Grabli
# Date : 04/08/2005
# Purpose : Builds sketchy strokes whose topology relies on a
# parameterization that covers the complete lines (visible+invisible)
# whereas only the visible portions are actually drawn
from freestyle.chainingiterators import pySketchyChainSilhouetteIterator
from freestyle.predicates import (
QuantitativeInvisibilityUP1D,
TrueUP1D,
)
from freestyle.shaders import (
IncreasingColorShader,
IncreasingThicknessShader,
SamplingShader,
SmoothingShader,
SpatialNoiseShader,
pyHLRShader,
)
from freestyle.types import Operators
Operators.select(QuantitativeInvisibilityUP1D(0))
Operators.bidirectional_chain(pySketchyChainSilhouetteIterator(3, False))
shaders_list = [
SamplingShader(2),
SpatialNoiseShader(15, 120, 2, True, True),
IncreasingThicknessShader(5, 30),
SmoothingShader(100, 0.05, 0, 0.2, 0, 0, 0, 1),
IncreasingColorShader(0, 0.2, 0, 1, 0.2, 0.7, 0.2, 1),
pyHLRShader(),
]
Operators.create(TrueUP1D(), shaders_list)
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