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Diffstat (limited to 'release/scripts/freestyle/style_modules/multiple_parameterization.py')
-rwxr-xr-x | release/scripts/freestyle/style_modules/multiple_parameterization.py | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/release/scripts/freestyle/style_modules/multiple_parameterization.py b/release/scripts/freestyle/style_modules/multiple_parameterization.py new file mode 100755 index 00000000000..3f0409db5fa --- /dev/null +++ b/release/scripts/freestyle/style_modules/multiple_parameterization.py @@ -0,0 +1,51 @@ +# +# Filename : multiple_parameterization.py +# Author : Stephane Grabli +# Date : 04/08/2005 +# Purpose : The thickness and the color of the strokes vary continuously +# independently from occlusions although only +# visible lines are actually drawn. This is equivalent +# to assigning the thickness using a parameterization covering +# the complete silhouette (visible+invisible) and drawing +# the strokes using a second parameterization that only +# covers the visible portions. +# +############################################################################# +# +# Copyright (C) : Please refer to the COPYRIGHT file distributed +# with this source distribution. +# +# 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +# +############################################################################# + +from freestyle_init import * +from logical_operators import * +from ChainingIterators import * +from shaders import * + +Operators.select(QuantitativeInvisibilityUP1D(0)) +## Chain following the same nature, but without the restriction +## of staying inside the selection (0). +Operators.bidirectionalChain(ChainSilhouetteIterator(0)) +shaders_list = [ + SamplingShader(20), + IncreasingThicknessShader(1.5, 30), + ConstantColorShader(0.0,0.0,0.0), + IncreasingColorShader(1,0,0,1,0,1,0,1), + TextureAssignerShader(-1), + pyHLRShader() ## this shader draws only visible portions + ] +Operators.create(TrueUP1D(), shaders_list) |