ceph/src/boost/libs/geometry/include/boost/geometry/geometries/multi_polygon.hpp

   1 // Boost.Geometry (aka GGL, Generic Geometry Library)
   2
   3 // Copyright (c) 2007-2012 Barend Gehrels, Amsterdam, the Netherlands.
   4 // Copyright (c) 2008-2012 Bruno Lalande, Paris, France.
   5 // Copyright (c) 2009-2012 Mateusz Loskot, London, UK.
   6 // Copyright (c) 2014 Adam Wulkiewicz, Lodz, Poland.
   7
   8 // Parts of Boost.Geometry are redesigned from Geodan's Geographic Library
   9 // (geolib/GGL), copyright (c) 1995-2010 Geodan, Amsterdam, the Netherlands.
  10
  11 // Use, modification and distribution is subject to the Boost Software License,
  12 // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
  13 // http://www.boost.org/LICENSE_1_0.txt)
  14
  15 #ifndef BOOST_GEOMETRY_GEOMETRIES_MULTI_POLYGON_HPP
  16 #define BOOST_GEOMETRY_GEOMETRIES_MULTI_POLYGON_HPP
  17
  18 #include <memory>
  19 #include <vector>
  20
  21 #include <boost/concept/requires.hpp>
  22
  23 #include <boost/geometry/core/tags.hpp>
  24 #include <boost/geometry/geometries/concepts/polygon_concept.hpp>
  25
  26 #include <boost/config.hpp>
  27 #ifndef BOOST_NO_CXX11_HDR_INITIALIZER_LIST
  28 #include <initializer_list>
  29 #endif
  30
  31 namespace boost { namespace geometry
  32 {
  33
  34 namespace model
  35 {
  36
  37 /*!
  38 \brief multi_polygon, a collection of polygons
  39 \details Multi-polygon can be used to group polygons belonging to each other,
  40         e.g. Hawaii
  41 \ingroup geometries
  42
  43 \qbk{[include reference/geometries/multi_polygon.qbk]}
  44 \qbk{before.synopsis,
  45 [heading Model of]
  46 [link geometry.reference.concepts.concept_multi_polygon MultiPolygon Concept]
  47 }
  48 */
  49 template
  50 <
  51     typename Polygon,
  52     template<typename, typename> class Container = std::vector,
  53     template<typename> class Allocator = std::allocator
  54 >
  55 class multi_polygon : public Container<Polygon, Allocator<Polygon> >
  56 {
  57     BOOST_CONCEPT_ASSERT( (concepts::Polygon<Polygon>) );
  58
  59 #ifndef BOOST_NO_CXX11_HDR_INITIALIZER_LIST
  60
  61     // default constructor and base_type definitions are required only
  62     // if the constructor taking std::initializer_list is defined
  63
  64     typedef Container<Polygon, Allocator<Polygon> > base_type;
  65
  66 public:
  67     /// \constructor_default{multi_polygon}
  68     multi_polygon()
  69         : base_type()
  70     {}
  71
  72     /// \constructor_initializer_list{multi_polygon}
  73     inline multi_polygon(std::initializer_list<Polygon> l)
  74         : base_type(l.begin(), l.end())
  75     {}
  76
  77 // Commented out for now in order to support Boost.Assign
  78 // Without this assignment operator first the object should be created
  79 //   from initializer list, then it shoudl be moved.
  80 //// Without this workaround in MSVC the assignment operator is ambiguous
  81 //#ifndef BOOST_MSVC
  82 //    /// \assignment_initializer_list{multi_polygon}
  83 //    inline multi_polygon & operator=(std::initializer_list<Polygon> l)
  84 //    {
  85 //        base_type::assign(l.begin(), l.end());
  86 //        return *this;
  87 //    }
  88 //#endif
  89
  90 #endif
  91 };
  92
  93
  94 } // namespace model
  95
  96
  97 #ifndef DOXYGEN_NO_TRAITS_SPECIALIZATIONS
  98 namespace traits
  99 {
 100
 101 template
 102 <
 103     typename Polygon,
 104     template<typename, typename> class Container,
 105     template<typename> class Allocator
 106 >
 107 struct tag< model::multi_polygon<Polygon, Container, Allocator> >
 108 {
 109     typedef multi_polygon_tag type;
 110 };
 111
 112 } // namespace traits
 113 #endif // DOXYGEN_NO_TRAITS_SPECIALIZATIONS
 114
 115 }} // namespace boost::geometry
 116
 117 #endif // BOOST_GEOMETRY_GEOMETRIES_MULTI_POLYGON_HPP