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// Copyright (c) 2019 GeometryFactory (France). All rights reserved.
//
// This file is part of CGAL (www.cgal.org)
//
// $URL: https://github.com/CGAL/cgal/blob/v5.2/Triangulation_2/include/CGAL/boost/graph/properties_Triangulation_data_structure_2.h $
// $Id: properties_Triangulation_data_structure_2.h 0903946 2020-03-17T17:53:21+01:00 Sébastien Loriot
// SPDX-License-Identifier: LGPL-3.0-or-later OR LicenseRef-Commercial
//
// Author(s) : Mael Rouxel-Labbé
#ifndef CGAL_PROPERTIES_TRIANGULATION_DATA_STRUCTURE_2_H
#define CGAL_PROPERTIES_TRIANGULATION_DATA_STRUCTURE_2_H
#include <CGAL/Triangulation_data_structure_2.h>
#include <CGAL/boost/graph/internal/graph_traits_2D_triangulation_helper.h>
#include <CGAL/boost/graph/internal/Has_member_id.h>
#include <CGAL/boost/graph/Named_function_parameters.h>
#include <boost/graph/properties.hpp>
namespace CGAL {
namespace internal {
// property maps
template <class VB, class FB>
class TDS2_vertex_point_map
{
public:
typedef boost::lvalue_property_map_tag category;
typedef typename VB::Point value_type;
typedef value_type& reference;
typedef typename CGAL::Triangulation_data_structure_2<VB,FB>::Vertex_handle key_type;
friend reference get(TDS2_vertex_point_map<VB,FB>, key_type vh) { return vh->point(); }
friend void put(TDS2_vertex_point_map<VB,FB>, key_type vh, reference v) { vh->point() = v; }
reference operator[](key_type vh) const { return vh->point(); }
};
template <class VB, class FB>
class TDS2_edge_weight_map
: public boost::put_get_helper<typename VB::FT, TDS2_edge_weight_map<VB, FB> >
{
public:
typedef boost::readable_property_map_tag category;
typedef typename VB::FT value_type;
typedef value_type reference;
typedef typename CGAL::Triangulation_data_structure_2<VB,FB>::Edge key_type;
TDS2_edge_weight_map(const CGAL::Triangulation_data_structure_2<VB,FB>& tds_) : tds(tds_) { }
value_type operator[](key_type e) const { return approximate_sqrt(tds.segment(e).squared_length()); }
private:
const CGAL::Triangulation_data_structure_2<VB,FB>& tds;
};
template <class VB, class FB>
class TDS2_vertex_id_map
: public boost::put_get_helper<int, TDS2_vertex_id_map<VB, FB> >
{
public:
typedef boost::readable_property_map_tag category;
typedef int value_type;
typedef int reference;
typedef typename CGAL::Triangulation_data_structure_2<VB,FB>::Vertex_handle key_type;
TDS2_vertex_id_map() {}
long operator[](key_type vh) const { return vh->id(); }
};
template <class VB, class FB>
class TDS2_halfedge_id_map
: public boost::put_get_helper<int, TDS2_halfedge_id_map<VB, FB> >
{
typedef typename CGAL::Triangulation_data_structure_2<VB,FB> TDS;
public:
typedef boost::readable_property_map_tag category;
typedef int value_type;
typedef int reference;
typedef CGAL::internal::T2_halfedge_descriptor<TDS> key_type;
typedef typename TDS::Face_handle face_descriptor;
TDS2_halfedge_id_map() { }
// Halfedge id is twice the edge id, and +0/+1 depending whether
// h.first is such that h.first < opposite(h).first --> different ids
value_type operator[](key_type h) const
{
const face_descriptor f1 = h.first;
const face_descriptor f2 = f1->neighbor(h.second);
if(f1->id() < f2->id())
return 2*(3 * f1->id() + h.second);
else
return 2*(3 * f2->id() + f2->index(f1)) + 1;
}
};
template <class VB, class FB>
class TDS2_edge_id_map
: public boost::put_get_helper<int, TDS2_edge_id_map<VB, FB> >
{
typedef typename CGAL::Triangulation_data_structure_2<VB,FB> TDS;
public:
typedef boost::readable_property_map_tag category;
typedef int value_type;
typedef int reference;
typedef CGAL::internal::T2_edge_descriptor<TDS> key_type;
typedef typename TDS::Face_handle Face_handle;
TDS2_edge_id_map() {}
value_type operator[](key_type h) const
{
const Face_handle f1 = h.first;
const Face_handle f2 = f1->neighbor(h.second);
if(f1->id() < f2->id())
return 3 * f1->id() + h.second;
else
return 3 * f2->id() + f2->index(f1);
}
};
template <class VB, class FB>
class TDS2_face_id_map
: public boost::put_get_helper<int, TDS2_face_id_map<VB, FB> >
{
typedef typename CGAL::Triangulation_data_structure_2<VB,FB> TDS;
public:
typedef boost::readable_property_map_tag category;
typedef int value_type;
typedef int reference;
typedef typename TDS::Face_handle key_type;
TDS2_face_id_map() { }
value_type operator[](key_type f) const { return f->id(); }
};
template <class VB, class FB, class Tag>
struct TDS2_property_map { };
template <class VB, class FB>
struct TDS2_property_map<VB, FB, boost::vertex_point_t>
{
typedef internal::TDS2_vertex_point_map<VB,FB> type;
typedef internal::TDS2_vertex_point_map<VB,FB> const_type;
};
template <class VB, class FB>
struct TDS2_property_map<VB, FB, boost::edge_weight_t>
{
typedef internal::TDS2_edge_weight_map<VB,FB> type;
typedef internal::TDS2_edge_weight_map<VB,FB> const_type;
};
template <class VB, class FB>
struct TDS2_property_map<VB, FB, boost::vertex_index_t>
{
typedef internal::TDS2_vertex_id_map<VB,FB> type;
typedef internal::TDS2_vertex_id_map<VB,FB> const_type;
};
template <class VB, class FB>
struct TDS2_property_map<VB, FB, boost::halfedge_index_t>
{
typedef internal::TDS2_vertex_id_map<VB,FB> type;
typedef internal::TDS2_vertex_id_map<VB,FB> const_type;
};
template <class VB, class FB>
struct TDS2_property_map<VB, FB, boost::edge_index_t>
{
typedef internal::TDS2_edge_id_map<VB,FB> type;
typedef internal::TDS2_edge_id_map<VB,FB> const_type;
};
template <class VB, class FB>
struct TDS2_property_map<VB, FB, boost::face_index_t>
{
typedef internal::TDS2_vertex_id_map<VB,FB> type;
typedef internal::TDS2_vertex_id_map<VB,FB> const_type;
};
} // end namespace internal
template <class VB, class FB >
struct graph_has_property<CGAL::Triangulation_data_structure_2<VB, FB>, boost::vertex_point_t>
: CGAL::Tag_true{};
template<class VB, class FB >
struct graph_has_property<CGAL::Triangulation_data_structure_2<VB, FB>, boost::edge_weight_t>
: CGAL::Tag_true{};
template<class VB, class FB >
struct graph_has_property<CGAL::Triangulation_data_structure_2<VB, FB>, boost::vertex_index_t>
: CGAL::Boolean_tag<
CGAL::internal::Has_member_id<
typename CGAL::Triangulation_data_structure_2<VB, FB>::Vertex
>::value
>
{};
template<class VB, class FB >
struct graph_has_property<CGAL::Triangulation_data_structure_2<VB, FB>, boost::halfedge_index_t>
: CGAL::Boolean_tag<
CGAL::internal::Has_member_id<
typename CGAL::Triangulation_data_structure_2<VB, FB>::Face
>::value
>
{};
template<class VB, class FB >
struct graph_has_property<CGAL::Triangulation_data_structure_2<VB, FB>, boost::edge_index_t>
: CGAL::Boolean_tag<
CGAL::internal::Has_member_id<
typename CGAL::Triangulation_data_structure_2<VB, FB>::Face
>::value
>
{};
template<class VB, class FB >
struct graph_has_property<CGAL::Triangulation_data_structure_2<VB, FB>, boost::face_index_t>
: CGAL::Boolean_tag<
CGAL::internal::Has_member_id<
typename CGAL::Triangulation_data_structure_2<VB, FB>::Face
>::value
>
{};
template <class VB, class FB>
inline internal::TDS2_vertex_point_map<VB,FB>
get(boost::vertex_point_t, const Triangulation_data_structure_2<VB,FB>&)
{
internal::TDS2_vertex_point_map<VB,FB> m;
return m;
}
template <class VB, class FB>
inline internal::TDS2_edge_weight_map<VB,FB>
get(boost::edge_weight_t, const Triangulation_data_structure_2<VB,FB>& g)
{
internal::TDS2_edge_weight_map<VB,FB> m(g);
return m;
}
template <class VB, class FB>
inline internal::TDS2_vertex_id_map<VB,FB>
get(boost::vertex_index_t, const Triangulation_data_structure_2<VB,FB>&)
{
internal::TDS2_vertex_id_map<VB,FB> m;
return m;
}
template <class VB, class FB>
inline internal::TDS2_halfedge_id_map<VB,FB>
get(boost::halfedge_index_t, const Triangulation_data_structure_2<VB,FB>&)
{
internal::TDS2_halfedge_id_map<VB,FB> m;
return m;
}
template <class VB, class FB>
inline internal::TDS2_edge_id_map<VB,FB>
get(boost::edge_index_t, const Triangulation_data_structure_2<VB,FB>&)
{
internal::TDS2_edge_id_map<VB,FB> m;
return m;
}
template <class VB, class FB>
inline internal::TDS2_face_id_map<VB,FB>
get(boost::face_index_t, const Triangulation_data_structure_2<VB,FB>&)
{
internal::TDS2_face_id_map<VB,FB> m;
return m;
}
} // namespace CGAL
namespace boost {
#define CGAL_PM_SPECIALIZATION(TAG) \
template <class VB, class FB> \
struct property_map<CGAL::Triangulation_data_structure_2<VB,FB>, TAG> \
{ \
typedef typename CGAL::internal::TDS2_property_map<VB, FB, TAG> map_gen; \
typedef typename map_gen::type type; \
typedef typename map_gen::const_type const_type; \
}; \
\
template <class VB, class FB> \
struct property_map<const CGAL::Triangulation_data_structure_2<VB,FB>, TAG> \
{ \
typedef typename CGAL::internal::TDS2_property_map<VB, FB, TAG> map_gen; \
typedef typename map_gen::type type; \
typedef typename map_gen::const_type const_type; \
};
CGAL_PM_SPECIALIZATION(vertex_point_t)
CGAL_PM_SPECIALIZATION(edge_weight_t)
CGAL_PM_SPECIALIZATION(vertex_index_t)
CGAL_PM_SPECIALIZATION(halfedge_index_t)
CGAL_PM_SPECIALIZATION(edge_index_t)
CGAL_PM_SPECIALIZATION(face_index_t)
#undef CGAL_PM_SPECIALIZATION
} // namespace boost
namespace CGAL {
template <class VB, class FB, class PropertyTag, class Key>
inline
typename boost::property_traits<
typename boost::property_map<Triangulation_data_structure_2<VB,FB>,PropertyTag>::const_type>::value_type
get(PropertyTag p, const Triangulation_data_structure_2<VB,FB>& g, const Key& key)
{
return get(get(p, g), key);
}
template <class VB, class FB, class PropertyTag, class Key,class Value>
inline void
put(PropertyTag p, Triangulation_data_structure_2<VB,FB>& g,
const Key& key, const Value& value)
{
typedef typename boost::property_map<Triangulation_data_structure_2<VB,FB>, PropertyTag>::type Map;
Map pmap = get(p, g);
put(pmap, key, value);
}
} // namespace CGAL
namespace boost {
// What are those needed for ???
template <typename VB, typename FB>
struct edge_property_type<CGAL::Triangulation_data_structure_2<VB,FB> > {
typedef void type;
};
template <typename VB, typename FB>
struct vertex_property_type<CGAL::Triangulation_data_structure_2<VB,FB> > {
typedef void type;
};
} // namespace boost
#endif /* CGAL_PROPERTIES_TRIANGULATION_DATA_STRUCTURE_2_H */
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