mirror of https://github.com/CGAL/cgal
201 lines
6.8 KiB
C++
201 lines
6.8 KiB
C++
// Copyright (c) 2012 GeometryFactory (France).
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// All rights reserved.
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//
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// This file is part of CGAL (www.cgal.org).
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// You can redistribute it and/or modify it under the terms of the GNU
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// General Public License as published by the Free Software Foundation,
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// either version 3 of the License, or (at your option) any later version.
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//
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// Licensees holding a valid commercial license may use this file in
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// accordance with the commercial license agreement provided with the software.
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//
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// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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//
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// $URL$
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// $Id$
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//
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//
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// Author(s) : Sebastien Loriot
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//
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#ifndef CGAL_POLYHEDRON_SIMPLEX_PROPERTY_MAP_H
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#define CGAL_POLYHEDRON_SIMPLEX_PROPERTY_MAP_H
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#include <CGAL/property_map.h>
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#include <boost/type_traits/is_const.hpp>
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#include <boost/mpl/if.hpp>
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#include <CGAL/boost/graph/graph_traits_Polyhedron_3.h>
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#include <CGAL/boost/graph/properties_Polyhedron_3.h>
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#include <boost/type_traits/remove_const.hpp>
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namespace CGAL{
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//property map
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template <class FaceGraph,
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class VertexPointPMap >
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struct Triangle_from_face_descriptor_property_map{
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typename boost::remove_const<FaceGraph>::type* m_graph;
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VertexPointPMap m_vppm;
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Triangle_from_face_descriptor_property_map()
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{}
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Triangle_from_face_descriptor_property_map(FaceGraph* g)
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: m_graph( const_cast<typename boost::remove_const<FaceGraph>::type*>(g) ),
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m_vppm( get(vertex_point, *m_graph) )
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{}
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Triangle_from_face_descriptor_property_map(FaceGraph* g,
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VertexPointPMap vppm )
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: m_graph(const_cast<typename boost::remove_const<FaceGraph>::type*>(g)),
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m_vppm(vppm)
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{}
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typedef typename boost::property_traits< VertexPointPMap >::value_type Point_3;
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typedef typename Kernel_traits<Point_3>::Kernel::Triangle_3 Triangle_3;
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//classical typedefs
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typedef typename boost::graph_traits<FaceGraph>::face_descriptor key_type;
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typedef Triangle_3 value_type;
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typedef value_type reference;
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typedef boost::readable_property_map_tag category;
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//get function for property map
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inline friend
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Triangle_3
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get(const Triangle_from_face_descriptor_property_map<FaceGraph,VertexPointPMap>& pmap,
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typename Triangle_from_face_descriptor_property_map<FaceGraph,VertexPointPMap>::key_type f)
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{
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typedef typename boost::property_traits< VertexPointPMap >::value_type Point_3;
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typedef typename Kernel_traits<Point_3>::Kernel::Triangle_3 Triangle_3;
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typename boost::remove_const<FaceGraph>::type & g = *(pmap.m_graph);
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CGAL_precondition(halfedge(f,g) == next(next(next(halfedge(f,g),g),g),g));
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const Point_3& a = get(pmap.m_vppm, target(halfedge(f,g),g));
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const Point_3& b = get(pmap.m_vppm, target(next(halfedge(f,g),g),g));
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const Point_3& c = get(pmap.m_vppm,target(next(next(halfedge(f,g),g),g),g));
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return Triangle_3(a,b,c);
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}
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};
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template < class HalfedgeGraph,
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class VertexPointPMap >
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struct Segment_from_edge_descriptor_property_map{
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Segment_from_edge_descriptor_property_map()
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{}
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Segment_from_edge_descriptor_property_map(HalfedgeGraph* g)
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: m_graph( const_cast<typename boost::remove_const<HalfedgeGraph>::type*>(g) ),
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m_vppm( get(vertex_point, *m_graph) )
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{}
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Segment_from_edge_descriptor_property_map(HalfedgeGraph* g,
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VertexPointPMap vppm )
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: m_graph( const_cast<typename boost::remove_const<HalfedgeGraph>::type*>(g) ),
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m_vppm(vppm)
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{}
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//classical typedefs
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typedef typename boost::property_traits< VertexPointPMap >::value_type Point;
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typedef typename boost::graph_traits<HalfedgeGraph>::edge_descriptor key_type;
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typedef typename Kernel_traits<Point>::Kernel::Segment_3 value_type;
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typedef value_type reference;
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typedef boost::readable_property_map_tag category;
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//data
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typename boost::remove_const<HalfedgeGraph>::type* m_graph;
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VertexPointPMap m_vppm;
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//get function for property map
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inline friend
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value_type
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get(Segment_from_edge_descriptor_property_map<HalfedgeGraph,VertexPointPMap> pmap,
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key_type h)
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{
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typedef typename boost::property_map< HalfedgeGraph, vertex_point_t>::type Point_pmap;
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typedef typename boost::property_traits< Point_pmap >::value_type Point;
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typedef typename Kernel_traits<Point>::Kernel::Segment_3 Segment_3;
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return Segment_3(get(pmap.m_vppm, boost::source(h, *pmap.m_graph) ),
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get(pmap.m_vppm, boost::target(h, *pmap.m_graph) ) );
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}
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};
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//property map to access a point from a facet handle
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template <class FaceGraph,
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class VertexPointPMap>
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struct One_point_from_face_descriptor_property_map{
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One_point_from_face_descriptor_property_map(FaceGraph* g = NULL)
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: m_graph( const_cast<typename boost::remove_const<FaceGraph>::type*>(g) )
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{}
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One_point_from_face_descriptor_property_map(FaceGraph* g, VertexPointPMap vppm )
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: m_graph( const_cast<typename boost::remove_const<FaceGraph>::type*>(g) ),
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m_vppm(vppm)
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{}
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typename boost::remove_const<FaceGraph>::type* m_graph;
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VertexPointPMap m_vppm;
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//classical typedefs
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typedef typename boost::graph_traits<FaceGraph>::face_descriptor key_type;
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typedef typename boost::property_traits< VertexPointPMap >::value_type value_type;
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typedef const value_type& reference;
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typedef boost::lvalue_property_map_tag category;
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//get function for property map
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inline friend
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reference
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get(const One_point_from_face_descriptor_property_map<FaceGraph,VertexPointPMap>& m,
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key_type f)
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{
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return get(m.m_vppm, target(halfedge(f, *m.m_graph), *m.m_graph));
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}
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};
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//property map to access a point from an edge
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template < class HalfedgeGraph,
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class VertexPointPMap >
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struct Source_point_from_edge_descriptor{
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Source_point_from_edge_descriptor(
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HalfedgeGraph* g = NULL ) :
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m_graph( const_cast<typename boost::remove_const<HalfedgeGraph>::type*>(g) ),
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m_vppm( get(vertex_point, *m_graph) )
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{}
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Source_point_from_edge_descriptor(
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HalfedgeGraph* g,
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VertexPointPMap vppm ) :
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m_graph( const_cast<typename boost::remove_const<HalfedgeGraph>::type*>(g) ),
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m_vppm(vppm)
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{}
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//classical typedefs
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typedef typename boost::property_traits< VertexPointPMap >::value_type value_type;
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typedef typename boost::property_traits< VertexPointPMap >::reference reference;
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typedef typename boost::graph_traits<HalfedgeGraph>::edge_descriptor key_type;
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typedef boost::readable_property_map_tag category;
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//data
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typename boost::remove_const<HalfedgeGraph>::type* m_graph;
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VertexPointPMap m_vppm;
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//get function for property map
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inline friend
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reference
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get(Source_point_from_edge_descriptor<HalfedgeGraph,VertexPointPMap> pmap,
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key_type h)
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{
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return get(vertex_point,
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*pmap.m_graph,
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boost::source(h, *pmap.m_graph) );
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}
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};
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} //namespace CGAL
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#endif //CGAL_POLYHEDRON_SIMPLEX_PROPERTY_MAP_H
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