mirror of https://github.com/CGAL/cgal
141 lines
4.1 KiB
C++
141 lines
4.1 KiB
C++
#ifndef PROPERTY_MAPS_FOR_EDIT_PLUGIN
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#define PROPERTY_MAPS_FOR_EDIT_PLUGIN
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template<class P>
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class Polyhedron_vertex_deformation_index_map
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{
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typedef P Polyhedron ;
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public:
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typedef boost::read_write_property_map_tag category;
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typedef std::size_t value_type;
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typedef std::size_t reference;
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typedef typename boost::graph_traits<Polyhedron>::vertex_descriptor key_type;
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};
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template<class P>
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std::size_t
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get( Polyhedron_vertex_deformation_index_map<P>, typename P::Vertex_handle vh)
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{
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return vh->id();
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}
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template<class P>
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void
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put( Polyhedron_vertex_deformation_index_map<P>&, typename P::Vertex_handle vh, std::size_t s)
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{
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vh->id() = s;
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}
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template<class P>
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class Polyhedron_edge_deformation_index_map
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{
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private:
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typedef P Polyhedron ;
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public:
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typedef boost::read_write_property_map_tag category;
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typedef std::size_t value_type;
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typedef std::size_t reference;
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typedef typename boost::graph_traits<Polyhedron>::edge_descriptor key_type;
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Polyhedron_edge_deformation_index_map()
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{}
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};
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template<class P>
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std::size_t
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get( Polyhedron_edge_deformation_index_map<P> /* pmap */, typename P::Halfedge_handle eh)
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{
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return eh->id();
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}
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template<class P>
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void
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put( Polyhedron_edge_deformation_index_map<P>& /* pmap */, typename P::Halfedge_handle eh, std::size_t s)
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{
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eh->id() = s;
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}
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template<class P>
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class Polyhedron_edge_deformation_length_map
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{
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private:
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typedef P Polyhedron ;
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public:
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std::vector<double>& m_lengths;
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typedef boost::read_write_property_map_tag category;
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typedef double value_type;
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typedef double& reference;
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typedef typename boost::graph_traits<Polyhedron>::edge_descriptor key_type;
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Polyhedron_edge_deformation_length_map(const P&,std::vector<double>& lengths)
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: m_lengths(lengths) {}
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};
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template<class P>
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double
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get( Polyhedron_edge_deformation_length_map<P> pmap, typename P::Halfedge_handle eh)
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{
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CGAL_assertion( pmap.m_lengths.size() > eh->id() );
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return pmap.m_lengths[eh->id()];
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}
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template<class P>
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void
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put( Polyhedron_edge_deformation_length_map<P>& pmap, typename P::Halfedge_handle eh, double s)
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{
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CGAL_assertion( pmap.m_lengths.size() > eh->id() );
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pmap.m_lengths[eh->id()] = s;
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}
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/**
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* A custom property map for deformation which behaves like zero initialized pmap.
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* It is designed for deforming very large polyhedrons with small ROS by not requiring any
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* actual initialization.
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* It just stores ids for ROS vertices/edges and when any other vertex/edge is queried, 0 will be returned.
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*/
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template<class Key>
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class Polyhedron_zero_default_index_map
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{
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public:
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typedef boost::read_write_property_map_tag category;
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typedef std::size_t value_type;
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typedef std::size_t reference;
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typedef Key key_type;
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Polyhedron_zero_default_index_map(std::map<key_type, size_t>& internal_map)
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: internal_map(&internal_map) { }
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std::map<key_type, size_t>* internal_map;
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};
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template<class Key> std::size_t get( Polyhedron_zero_default_index_map<Key>& pmap
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, Key k)
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{
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typename std::map<Key, size_t>::iterator found = pmap.internal_map->find(k);
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// if the key doesn't exist in the map, then retun 0 to simulate zero initialization
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if(found == pmap.internal_map->end()) { return 0; }
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return found->second;
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}
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template<class Key> void put( Polyhedron_zero_default_index_map<Key>& pmap
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, Key k, std::size_t s)
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{
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// also provide cleaning facility (it will be useful when ROS is cleaned and another ROS is added to the system)
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if(s == 0) { pmap.internal_map->erase(k); }
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else { pmap.internal_map->operator[](k) = s; }
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}
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#endif //PROPERTY_MAPS_FOR_EDIT_PLUGIN
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