49 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			49 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
| # ##### 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 : external_contour.py
 | |
| #  Author   : Stephane Grabli
 | |
| #  Date     : 04/08/2005
 | |
| #  Purpose  : Draws the external contour of the scene
 | |
| 
 | |
| from freestyle.chainingiterators import ChainPredicateIterator
 | |
| from freestyle.predicates import (
 | |
|     AndUP1D,
 | |
|     ExternalContourUP1D,
 | |
|     NotUP1D,
 | |
|     QuantitativeInvisibilityUP1D,
 | |
|     TrueBP1D,
 | |
|     TrueUP1D,
 | |
| )
 | |
| from freestyle.shaders import (
 | |
|     ConstantColorShader,
 | |
|     ConstantThicknessShader,
 | |
| )
 | |
| from freestyle.types import Operators
 | |
| 
 | |
| 
 | |
| upred = AndUP1D(QuantitativeInvisibilityUP1D(0), ExternalContourUP1D())
 | |
| Operators.select(upred)
 | |
| bpred = TrueBP1D()
 | |
| Operators.bidirectional_chain(ChainPredicateIterator(upred, bpred), NotUP1D(upred))
 | |
| shaders_list = [
 | |
|     ConstantThicknessShader(3),
 | |
|     ConstantColorShader(0.0, 0.0, 0.0, 1),
 | |
| ]
 | |
| Operators.create(TrueUP1D(), shaders_list)
 |