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
31namespace boost { namespace geometry
32{
33
34namespace 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*/
49template
50<
51 typename Polygon,
52 template<typename, typename> class Container = std::vector,
53 template<typename> class Allocator = std::allocator
54>
55class multi_polygon : public Container<Polygon, Allocator<Polygon> >
56{
57 BOOST_CONCEPT_ASSERT( (concept::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
66public:
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
98namespace traits
99{
100
101template
102<
103 typename Polygon,
104 template<typename, typename> class Container,
105 template<typename> class Allocator
106>
107struct 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
118

source code of boost/boost/geometry/geometries/multi_polygon.hpp