Differential D163 Diff 474 release/scripts/freestyle/styles/qi1.py

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release/scripts/freestyle/styles/qi1.py

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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 : qi1.py
				# Author : Stephane Grabli
				# Date : 04/08/2005
				# Purpose : Draws lines hidden by one surface.
				# *** Quantitative Invisibility must have been
				# enabled in the options dialog to use this style module ****

				from freestyle.chainingiterators import ChainSilhouetteIterator
				from freestyle.predicates import (
				NotUP1D,
				QuantitativeInvisibilityUP1D,
				TrueUP1D,
				)
				from freestyle.shaders import (
				ConstantColorShader,
				ConstantThicknessShader,
				SamplingShader,
				)
				from freestyle.types import Operators


				Operators.select(QuantitativeInvisibilityUP1D(1))
				Operators.bidirectional_chain(ChainSilhouetteIterator(), NotUP1D(QuantitativeInvisibilityUP1D(1)))
				shaders_list = [
				SamplingShader(5.0),
				ConstantThicknessShader(3),
				ConstantColorShader(0.5, 0.5, 0.5, 1)
				]
				Operators.create(TrueUP1D(), shaders_list)