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// Copyright (c) 2007-2015 GeometryFactory (France). All rights reserved.
//
// $URL: https://github.com/CGAL/cgal/blob/v5.2/BGL/include/CGAL/boost/graph/named_params_helper.h $
// $Id: named_params_helper.h 47d2189 2020-10-02T15:26:05+02:00 Sebastien Loriot
// SPDX-License-Identifier: LGPL-3.0-or-later OR LicenseRef-Commercial
//
// Author(s) : Andreas Fabri, Fernando Cacciola, Jane Tournois
#ifndef CGAL_BOOST_GRAPH_NAMED_PARAMETERS_HELPERS_H
#define CGAL_BOOST_GRAPH_NAMED_PARAMETERS_HELPERS_H
#include <CGAL/boost/graph/internal/initialized_index_maps_helpers.h>
#include <CGAL/boost/graph/Named_function_parameters.h>
#include <CGAL/boost/graph/properties.h>
#include <CGAL/Dynamic_property_map.h>
#include <CGAL/Kernel_traits.h>
#include <CGAL/Origin.h>
#include <CGAL/iterator.h>
#include <CGAL/property_map.h>
#include <boost/mpl/if.hpp>
#include <boost/mpl/has_xxx.hpp>
#include <boost/type_traits/is_same.hpp>
#include <type_traits>
namespace CGAL {
// forward declarations to avoid dependency to Solver_interface
template <typename FT, unsigned int dim>
class Default_diagonalize_traits;
class Eigen_svd;
class Lapack_svd;
struct Alpha_expansion_boost_adjacency_list_tag;
//
//helper classes
template<typename PolygonMesh, typename PropertyTag>
class property_map_selector
{
public:
typedef typename graph_has_property<PolygonMesh, PropertyTag>::type Has_internal_pmap;
typedef typename boost::mpl::if_c< Has_internal_pmap::value
, typename boost::property_map<PolygonMesh, PropertyTag>::type
, typename boost::cgal_no_property::type
>::type type;
typedef typename boost::mpl::if_c< Has_internal_pmap::value
, typename boost::property_map<PolygonMesh, PropertyTag>::const_type
, typename boost::cgal_no_property::const_type
>::type const_type;
type get_pmap(const PropertyTag& p, PolygonMesh& pmesh)
{
return get_impl(p, pmesh, Has_internal_pmap());
}
const_type get_const_pmap(const PropertyTag& p, const PolygonMesh& pmesh)
{
return get_const_pmap_impl(p, pmesh, Has_internal_pmap());
}
private:
type get_impl(const PropertyTag&, PolygonMesh&, CGAL::Tag_false)
{
return type(); //boost::cgal_no_property::type
}
type get_impl(const PropertyTag& p, PolygonMesh& pmesh, CGAL::Tag_true)
{
return get(p, pmesh);
}
const_type get_const_pmap_impl(const PropertyTag&
, const PolygonMesh&, CGAL::Tag_false)
{
return const_type(); //boost::cgal_no_property::type
}
const_type get_const_pmap_impl(const PropertyTag& p
, const PolygonMesh& pmesh, CGAL::Tag_true)
{
return get(p, pmesh);
}
};
template<typename PolygonMesh, typename PropertyTag>
typename property_map_selector<PolygonMesh, PropertyTag>::type
get_property_map(const PropertyTag& p, PolygonMesh& pmesh)
{
property_map_selector<PolygonMesh, PropertyTag> pms;
return pms.get_pmap(p, pmesh);
}
template<typename PolygonMesh, typename PropertyTag>
typename property_map_selector<PolygonMesh, PropertyTag>::const_type
get_const_property_map(const PropertyTag& p, const PolygonMesh& pmesh)
{
property_map_selector<PolygonMesh, PropertyTag> pms;
return pms.get_const_pmap(p, pmesh);
}
// Shortcut for accessing the value type of the property map
template <class Graph, class Property>
class property_map_value {
typedef typename boost::property_map<Graph, Property>::const_type PMap;
public:
typedef typename boost::property_traits<PMap>::value_type type;
};
template<typename PolygonMesh,
typename NamedParameters = Named_function_parameters<bool, internal_np::all_default_t> >
class GetVertexPointMap
{
typedef typename property_map_selector<PolygonMesh, boost::vertex_point_t>::const_type
DefaultVPMap_const;
typedef typename property_map_selector<PolygonMesh, boost::vertex_point_t>::type
DefaultVPMap;
public:
typedef typename internal_np::Lookup_named_param_def<
internal_np::vertex_point_t,
NamedParameters,
DefaultVPMap
> ::type type;
typedef typename internal_np::Lookup_named_param_def<
internal_np::vertex_point_t,
NamedParameters,
DefaultVPMap_const
> ::type const_type;
};
namespace Polygon_mesh_processing {
template<typename PolygonMesh, typename NamedParameters>
class GetK
{
typedef typename boost::property_traits<
typename GetVertexPointMap<PolygonMesh, NamedParameters>::type
>::value_type Point;
public:
typedef typename CGAL::Kernel_traits<Point>::Kernel Kernel;
};
} // namespace Polygon_mesh_processing
template<typename PolygonMesh,
typename NamedParametersGT = Named_function_parameters<bool, internal_np::all_default_t>,
typename NamedParametersVPM = NamedParametersGT >
class GetGeomTraits
{
typedef typename CGAL::graph_has_property<PolygonMesh, boost::vertex_point_t>::type
Has_internal_pmap;
typedef typename internal_np::Lookup_named_param_def <
internal_np::vertex_point_t,
NamedParametersVPM,
internal_np::Param_not_found
> ::type NP_vpm;
struct Fake_GT {};//to be used if there is no internal vertex_point_map in PolygonMesh
typedef typename boost::mpl::if_c<Has_internal_pmap::value || !boost::is_same<internal_np::Param_not_found, NP_vpm>::value,
typename Polygon_mesh_processing::GetK<PolygonMesh, NamedParametersVPM>::Kernel,
Fake_GT>::type DefaultKernel;
public:
typedef typename internal_np::Lookup_named_param_def <
internal_np::geom_traits_t,
NamedParametersGT,
DefaultKernel
> ::type type;
};
// Define the following structs:
//
// GetInitializedVertexIndexMap
// GetInitializedHalfedgeIndexMap
// GetInitializedEdgeIndexMap
// GetInitializedFaceIndexMap
#define CGAL_DEF_GET_INDEX_TYPE(CTYPE, DTYPE, STYPE) \
template <typename Graph, \
typename NamedParameters = \
CGAL::Named_function_parameters<bool, CGAL::internal_np::all_default_t> > \
struct GetInitialized##CTYPE##IndexMap \
: public BGL::internal::GetInitializedIndexMap<internal_np::DTYPE##_index_t, \
boost::DTYPE##_index_t, \
CGAL::dynamic_##DTYPE##_property_t<STYPE>, \
Graph, NamedParameters> \
{ };
CGAL_DEF_GET_INDEX_TYPE(Vertex, vertex, typename boost::graph_traits<Graph>::vertices_size_type)
CGAL_DEF_GET_INDEX_TYPE(Halfedge, halfedge, typename boost::graph_traits<Graph>::halfedges_size_type)
CGAL_DEF_GET_INDEX_TYPE(Edge, edge, typename boost::graph_traits<Graph>::edges_size_type)
CGAL_DEF_GET_INDEX_TYPE(Face, face, typename boost::graph_traits<Graph>::faces_size_type)
#undef CGAL_DEF_GET_INDEX_TYPE
// Define the following functions:
//
// get_initialized_vertex_index_map()
// get_initialized_halfedge_index_map()
// get_initialized_edge_index_map()
// get_initialized_face_index_map()
//
// The function returns:
// - the index property map passed in the NPs, if passed in the NPs; it must be initialized by the user;
// - the internal index property map if it is the graph has one. It is initialized if needed and possible;
// - an initialized dynamic pmap otherwise.
#define CGAL_DEF_GET_INITIALIZED_INDEX_MAP(DTYPE, STYPE) \
template <typename Graph, \
typename NamedParameters> \
typename BGL::internal::GetInitializedIndexMap<CGAL::internal_np::DTYPE##_index_t, \
boost::DTYPE##_index_t, \
CGAL::dynamic_##DTYPE##_property_t<STYPE>, \
Graph, NamedParameters>::const_type \
get_initialized_##DTYPE##_index_map(const Graph& g, \
const NamedParameters& np) \
{ \
typedef BGL::internal::GetInitializedIndexMap<CGAL::internal_np::DTYPE##_index_t, \
boost::DTYPE##_index_t, \
CGAL::dynamic_##DTYPE##_property_t<STYPE>, \
Graph, NamedParameters> Index_map_getter; \
return Index_map_getter::get_const(CGAL::internal_np::DTYPE##_index_t{}, g, np); \
} \
template <typename Graph> \
typename BGL::internal::GetInitializedIndexMap<CGAL::internal_np::DTYPE##_index_t, \
boost::DTYPE##_index_t, \
CGAL::dynamic_##DTYPE##_property_t<STYPE>, \
Graph>::const_type \
get_initialized_##DTYPE##_index_map(const Graph& g) \
{ \
return get_initialized_##DTYPE##_index_map(g, CGAL::parameters::all_default()); \
} \
/* same as above, non-const version*/ \
template <typename Graph, \
typename NamedParameters, \
/*otherwise compilers will try to use 'Graph := const PM' and things will go badly*/ \
std::enable_if_t< \
!std::is_const<typename std::remove_reference<Graph>::type>::value, int> = 0> \
typename BGL::internal::GetInitializedIndexMap<CGAL::internal_np::DTYPE##_index_t, \
boost::DTYPE##_index_t, \
CGAL::dynamic_##DTYPE##_property_t<STYPE>, \
Graph, NamedParameters>::type \
get_initialized_##DTYPE##_index_map(Graph& g, \
const NamedParameters& np) \
{ \
typedef BGL::internal::GetInitializedIndexMap<CGAL::internal_np::DTYPE##_index_t, \
boost::DTYPE##_index_t, \
CGAL::dynamic_##DTYPE##_property_t<STYPE>, \
Graph, NamedParameters> Index_map_getter; \
return Index_map_getter::get(CGAL::internal_np::DTYPE##_index_t{}, g, np); \
} \
template <typename Graph, \
std::enable_if_t< \
!std::is_const<typename std::remove_reference<Graph>::type>::value, int> = 0> \
typename BGL::internal::GetInitializedIndexMap<CGAL::internal_np::DTYPE##_index_t, \
boost::DTYPE##_index_t, \
CGAL::dynamic_##DTYPE##_property_t<STYPE>, \
Graph>::type \
get_initialized_##DTYPE##_index_map(Graph& g) \
{ \
return get_initialized_##DTYPE##_index_map(g, CGAL::parameters::all_default()); \
}
CGAL_DEF_GET_INITIALIZED_INDEX_MAP(vertex, typename boost::graph_traits<Graph>::vertices_size_type)
CGAL_DEF_GET_INITIALIZED_INDEX_MAP(halfedge, typename boost::graph_traits<Graph>::halfedges_size_type)
CGAL_DEF_GET_INITIALIZED_INDEX_MAP(edge, typename boost::graph_traits<Graph>::edges_size_type)
CGAL_DEF_GET_INITIALIZED_INDEX_MAP(face, typename boost::graph_traits<Graph>::faces_size_type)
#undef CGAL_DEF_GET_INITIALIZED_INDEX_MAP
template<typename PolygonMesh, typename NamedParameters>
class GetFaceNormalMap
{
struct DummyNormalPmap
{
typedef typename boost::graph_traits<PolygonMesh>::face_descriptor key_type;
typedef typename GetGeomTraits<PolygonMesh, NamedParameters>::type::Vector_3 value_type;
typedef value_type reference;
typedef boost::readable_property_map_tag category;
typedef DummyNormalPmap Self;
friend reference get(const Self&, const key_type&) { return CGAL::NULL_VECTOR; }
};
public:
typedef DummyNormalPmap NoMap;
typedef typename internal_np::Lookup_named_param_def <
internal_np::face_normal_t,
NamedParameters,
DummyNormalPmap//default
> ::type type;
};
namespace internal {
BOOST_MPL_HAS_XXX_TRAIT_NAMED_DEF(Has_nested_type_iterator, iterator, false)
}
template<typename PointRange,
typename NamedParameters = Named_function_parameters<bool, internal_np::all_default_t>,
bool has_nested_iterator = internal::Has_nested_type_iterator<PointRange>::value>
class GetPointMap
{
typedef typename std::iterator_traits<typename PointRange::iterator>::value_type Point;
typedef typename CGAL::Identity_property_map<Point> DefaultPMap;
public:
typedef typename internal_np::Lookup_named_param_def<
internal_np::point_t,
NamedParameters,
DefaultPMap
> ::type type;
typedef typename internal_np::Lookup_named_param_def<
internal_np::point_t,
NamedParameters,
DefaultPMap
> ::type const_type;
};
// to please compiler instantiating non valid overloads
template<typename PointRange, typename NamedParameters>
class GetPointMap<PointRange, NamedParameters, false>
{
struct Dummy_point{};
public:
typedef typename CGAL::Identity_property_map<Dummy_point> type;
typedef typename CGAL::Identity_property_map<Dummy_point> const_type;
};
namespace Point_set_processing_3 {
template <typename ValueType>
struct Fake_point_range
{
struct iterator
{
typedef ValueType value_type;
typedef std::ptrdiff_t difference_type;
typedef ValueType* pointer;
typedef ValueType reference;
typedef std::random_access_iterator_tag iterator_category;
};
};
namespace parameters
{
template <typename PointRange>
Named_function_parameters<bool, internal_np::all_default_t>
inline all_default(const PointRange&)
{
return CGAL::parameters::all_default();
}
}
template<typename PointRange>
class GetFT
{
public:
typedef typename Kernel_traits<
typename std::iterator_traits<
typename PointRange::iterator
>::value_type
>::Kernel::FT type;
};
template<typename PointRange, typename NamedParameters>
class GetQueryPointMap
{
typedef typename std::iterator_traits<typename PointRange::iterator>::value_type Point;
typedef typename CGAL::Identity_property_map<Point> DefaultPMap;
public:
typedef typename internal_np::Lookup_named_param_def<
internal_np::query_point_t,
NamedParameters,
DefaultPMap
> ::type type;
typedef typename internal_np::Lookup_named_param_def<
internal_np::query_point_t,
NamedParameters,
DefaultPMap
> ::type const_type;
};
template<typename PointRange, typename NamedParameters>
class GetK
{
typedef typename GetPointMap<PointRange, NamedParameters>::type Vpm;
typedef typename Kernel_traits<
typename boost::property_traits<Vpm>::value_type
>::Kernel Default_kernel;
public:
typedef typename internal_np::Lookup_named_param_def <
internal_np::geom_traits_t,
NamedParameters,
Default_kernel
> ::type Kernel;
};
template<typename PointRange, typename NamedParameters>
class GetNormalMap
{
struct DummyNormalMap
{
typedef typename std::iterator_traits<typename PointRange::iterator>::value_type key_type;
typedef typename GetK<PointRange, NamedParameters>::Kernel::Vector_3 value_type;
typedef value_type reference;
typedef boost::read_write_property_map_tag category;
typedef DummyNormalMap Self;
friend reference get(const Self&, const key_type&) { return CGAL::NULL_VECTOR; }
friend void put(const Self&, const key_type&, const value_type&) { }
};
public:
typedef DummyNormalMap NoMap;
typedef typename internal_np::Lookup_named_param_def <
internal_np::normal_t,
NamedParameters,
DummyNormalMap//default
> ::type type;
};
template<typename PlaneRange, typename NamedParameters>
class GetPlaneMap
{
typedef typename PlaneRange::iterator::value_type Plane;
typedef typename CGAL::Identity_property_map<Plane> DefaultPMap;
public:
typedef typename internal_np::Lookup_named_param_def<
internal_np::plane_t,
NamedParameters,
DefaultPMap
> ::type type;
typedef typename internal_np::Lookup_named_param_def<
internal_np::plane_t,
NamedParameters,
DefaultPMap
> ::type const_type;
};
template<typename NamedParameters>
class GetPlaneIndexMap
{
struct DummyPlaneIndexMap
{
typedef std::size_t key_type;
typedef int value_type;
typedef value_type reference;
typedef boost::readable_property_map_tag category;
typedef DummyPlaneIndexMap Self;
friend reference get(const Self&, const key_type&) { return -1; }
};
public:
typedef DummyPlaneIndexMap NoMap;
typedef typename internal_np::Lookup_named_param_def <
internal_np::plane_index_t,
NamedParameters,
DummyPlaneIndexMap//default
> ::type type;
};
template<typename PointRange, typename NamedParameters>
class GetIsConstrainedMap
{
struct DummyConstrainedMap
{
typedef typename std::iterator_traits<typename PointRange::iterator>::value_type key_type;
typedef bool value_type;
typedef value_type reference;
typedef boost::readable_property_map_tag category;
typedef DummyConstrainedMap Self;
friend reference get(const Self&, const key_type&) { return false; }
};
public:
typedef DummyConstrainedMap NoMap;
typedef typename internal_np::Lookup_named_param_def <
internal_np::point_is_constrained_t,
NamedParameters,
DummyConstrainedMap //default
> ::type type;
};
template<typename PointRange, typename NamedParameters>
class GetAdjacencies
{
public:
typedef Emptyset_iterator Empty;
typedef typename internal_np::Lookup_named_param_def <
internal_np::adjacencies_t,
NamedParameters,
Empty//default
> ::type type;
};
} // namespace Point_set_processing_3
template<typename NamedParameters, typename DefaultSolver>
class GetSolver
{
public:
typedef typename internal_np::Lookup_named_param_def <
internal_np::sparse_linear_solver_t,
NamedParameters,
DefaultSolver
> ::type type;
};
template<typename NamedParameters, typename FT, unsigned int dim = 3>
class GetDiagonalizeTraits
{
public:
typedef typename internal_np::Lookup_named_param_def <
internal_np::diagonalize_traits_t,
NamedParameters,
Default_diagonalize_traits<FT, dim>
> ::type type;
};
template<typename NamedParameters>
class GetSvdTraits
{
struct DummySvdTraits
{
typedef double FT;
typedef int Vector;
typedef int Matrix;
static FT solve (const Matrix&, Vector&) { return 0.; }
};
public:
typedef DummySvdTraits NoTraits;
typedef typename internal_np::Lookup_named_param_def <
internal_np::svd_traits_t,
NamedParameters,
#if defined(CGAL_EIGEN3_ENABLED)
Eigen_svd
#elif defined(CGAL_LAPACK_ENABLED)
Lapack_svd
#else
NoTraits
#endif
> ::type type;
};
template<typename NamedParameters>
class GetImplementationTag
{
public:
typedef typename internal_np::Lookup_named_param_def <
internal_np::implementation_tag_t,
NamedParameters,
Alpha_expansion_boost_adjacency_list_tag
>::type type;
};
} //namespace CGAL
#endif // CGAL_BOOST_GRAPH_NAMED_PARAMETERS_HELPERS_H
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