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 | |
7 | // Parts of Boost.Geometry are redesigned from Geodan's Geographic Library |
8 | // (geolib/GGL), copyright (c) 1995-2010 Geodan, Amsterdam, the Netherlands. |
9 | |
10 | // Use, modification and distribution is subject to the Boost Software License, |
11 | // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at |
12 | // http://www.boost.org/LICENSE_1_0.txt) |
13 | |
14 | |
15 | #ifndef BOOST_GEOMETRY_GEOMETRIES_CONCEPTS_MULTI_POINT_CONCEPT_HPP |
16 | #define BOOST_GEOMETRY_GEOMETRIES_CONCEPTS_MULTI_POINT_CONCEPT_HPP |
17 | |
18 | |
19 | #include <boost/concept_check.hpp> |
20 | #include <boost/range/concepts.hpp> |
21 | #include <boost/range/metafunctions.hpp> |
22 | |
23 | |
24 | #include <boost/geometry/geometries/concepts/point_concept.hpp> |
25 | |
26 | |
27 | namespace boost { namespace geometry { namespace concept |
28 | { |
29 | |
30 | |
31 | /*! |
32 | \brief MultiPoint concept |
33 | \ingroup concepts |
34 | \par Formal definition: |
35 | The multi point concept is defined as following: |
36 | - there must be a specialization of traits::tag defining multi_point_tag as type |
37 | - it must behave like a Boost.Range |
38 | - its range value must fulfil the Point concept |
39 | |
40 | */ |
41 | template <typename Geometry> |
42 | class MultiPoint |
43 | { |
44 | #ifndef DOXYGEN_NO_CONCEPT_MEMBERS |
45 | typedef typename boost::range_value<Geometry>::type point_type; |
46 | |
47 | BOOST_CONCEPT_ASSERT( (concept::Point<point_type>) ); |
48 | BOOST_CONCEPT_ASSERT( (boost::RandomAccessRangeConcept<Geometry>) ); |
49 | |
50 | |
51 | public : |
52 | |
53 | BOOST_CONCEPT_USAGE(MultiPoint) |
54 | { |
55 | Geometry* mp = 0; |
56 | traits::clear<Geometry>::apply(*mp); |
57 | traits::resize<Geometry>::apply(*mp, 0); |
58 | point_type* point = 0; |
59 | traits::push_back<Geometry>::apply(*mp, *point); |
60 | } |
61 | #endif |
62 | }; |
63 | |
64 | |
65 | /*! |
66 | \brief concept for multi-point (const version) |
67 | \ingroup const_concepts |
68 | */ |
69 | template <typename Geometry> |
70 | class ConstMultiPoint |
71 | { |
72 | #ifndef DOXYGEN_NO_CONCEPT_MEMBERS |
73 | typedef typename boost::range_value<Geometry>::type point_type; |
74 | |
75 | BOOST_CONCEPT_ASSERT( (concept::ConstPoint<point_type>) ); |
76 | BOOST_CONCEPT_ASSERT( (boost::RandomAccessRangeConcept<Geometry>) ); |
77 | |
78 | |
79 | public : |
80 | |
81 | BOOST_CONCEPT_USAGE(ConstMultiPoint) |
82 | { |
83 | } |
84 | #endif |
85 | }; |
86 | |
87 | }}} // namespace boost::geometry::concept |
88 | |
89 | |
90 | #endif // BOOST_GEOMETRY_GEOMETRIES_CONCEPTS_MULTI_POINT_CONCEPT_HPP |
91 | |