33 lines
866 B
Python
33 lines
866 B
Python
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# SPDX-License-Identifier: GPL-2.0-or-later
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# Filename : external_contour.py
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# Author : Stephane Grabli
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# Date : 04/08/2005
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# Purpose : Draws the external contour of the scene
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from freestyle.chainingiterators import ChainPredicateIterator
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from freestyle.predicates import (
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AndUP1D,
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ExternalContourUP1D,
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NotUP1D,
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QuantitativeInvisibilityUP1D,
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TrueBP1D,
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TrueUP1D,
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)
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from freestyle.shaders import (
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ConstantColorShader,
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ConstantThicknessShader,
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)
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from freestyle.types import Operators
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upred = AndUP1D(QuantitativeInvisibilityUP1D(0), ExternalContourUP1D())
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Operators.select(upred)
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bpred = TrueBP1D()
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Operators.bidirectional_chain(ChainPredicateIterator(upred, bpred), NotUP1D(upred))
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shaders_list = [
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ConstantThicknessShader(3),
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ConstantColorShader(0.0, 0.0, 0.0, 1),
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]
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Operators.create(TrueUP1D(), shaders_list)
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