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1 | // Boost.Geometry (aka GGL, Generic Geometry Library) |
2 | ||
3 | // Copyright (c) 2008-2012 Bruno Lalande, Paris, France. | |
4 | // Copyright (c) 2008-2012 Barend Gehrels, Amsterdam, the Netherlands. | |
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 | #ifndef BOOST_GEOMETRY_GEOMETRIES_CONCEPTS_POLYGON_CONCEPT_HPP | |
15 | #define BOOST_GEOMETRY_GEOMETRIES_CONCEPTS_POLYGON_CONCEPT_HPP | |
16 | ||
17 | #include <boost/concept_check.hpp> | |
18 | #include <boost/range/concepts.hpp> | |
19 | ||
20 | #include <boost/geometry/core/access.hpp> | |
21 | #include <boost/geometry/core/exterior_ring.hpp> | |
22 | #include <boost/geometry/core/interior_rings.hpp> | |
23 | #include <boost/geometry/core/point_type.hpp> | |
24 | #include <boost/geometry/core/ring_type.hpp> | |
25 | ||
26 | #include <boost/geometry/geometries/concepts/point_concept.hpp> | |
27 | #include <boost/geometry/geometries/concepts/ring_concept.hpp> | |
28 | ||
29 | ||
30 | namespace boost { namespace geometry { namespace concepts | |
31 | { | |
32 | ||
33 | /*! | |
34 | \brief Checks polygon concept | |
35 | \ingroup concepts | |
36 | */ | |
37 | template <typename PolygonType> | |
38 | class Polygon | |
39 | { | |
40 | #ifndef DOXYGEN_NO_CONCEPT_MEMBERS | |
41 | typedef typename boost::remove_const<PolygonType>::type polygon_type; | |
42 | ||
43 | typedef typename traits::ring_const_type<polygon_type>::type ring_const_type; | |
44 | typedef typename traits::ring_mutable_type<polygon_type>::type ring_mutable_type; | |
45 | typedef typename traits::interior_const_type<polygon_type>::type interior_const_type; | |
46 | typedef typename traits::interior_mutable_type<polygon_type>::type interior_mutable_type; | |
47 | ||
48 | typedef typename point_type<PolygonType>::type point_type; | |
49 | typedef typename ring_type<PolygonType>::type ring_type; | |
50 | ||
51 | BOOST_CONCEPT_ASSERT( (concepts::Point<point_type>) ); | |
52 | BOOST_CONCEPT_ASSERT( (concepts::Ring<ring_type>) ); | |
53 | ||
54 | //BOOST_CONCEPT_ASSERT( (boost::RandomAccessRangeConcept<interior_type>) ); | |
55 | ||
56 | struct checker | |
57 | { | |
58 | static inline void apply() | |
59 | { | |
60 | polygon_type* poly = 0; | |
61 | polygon_type const* cpoly = poly; | |
62 | ||
63 | ring_mutable_type e = traits::exterior_ring<PolygonType>::get(*poly); | |
64 | interior_mutable_type i = traits::interior_rings<PolygonType>::get(*poly); | |
65 | ring_const_type ce = traits::exterior_ring<PolygonType>::get(*cpoly); | |
66 | interior_const_type ci = traits::interior_rings<PolygonType>::get(*cpoly); | |
67 | ||
68 | boost::ignore_unused_variable_warning(e); | |
69 | boost::ignore_unused_variable_warning(i); | |
70 | boost::ignore_unused_variable_warning(ce); | |
71 | boost::ignore_unused_variable_warning(ci); | |
72 | boost::ignore_unused_variable_warning(poly); | |
73 | boost::ignore_unused_variable_warning(cpoly); | |
74 | } | |
75 | }; | |
76 | ||
77 | public: | |
78 | ||
79 | BOOST_CONCEPT_USAGE(Polygon) | |
80 | { | |
81 | checker::apply(); | |
82 | } | |
83 | #endif | |
84 | }; | |
85 | ||
86 | ||
87 | /*! | |
88 | \brief Checks polygon concept (const version) | |
89 | \ingroup const_concepts | |
90 | */ | |
91 | template <typename PolygonType> | |
92 | class ConstPolygon | |
93 | { | |
94 | #ifndef DOXYGEN_NO_CONCEPT_MEMBERS | |
95 | ||
96 | typedef typename boost::remove_const<PolygonType>::type const_polygon_type; | |
97 | ||
98 | typedef typename traits::ring_const_type<const_polygon_type>::type ring_const_type; | |
99 | typedef typename traits::interior_const_type<const_polygon_type>::type interior_const_type; | |
100 | ||
101 | typedef typename point_type<const_polygon_type>::type point_type; | |
102 | typedef typename ring_type<const_polygon_type>::type ring_type; | |
103 | ||
104 | BOOST_CONCEPT_ASSERT( (concepts::ConstPoint<point_type>) ); | |
105 | BOOST_CONCEPT_ASSERT( (concepts::ConstRing<ring_type>) ); | |
106 | ||
107 | ////BOOST_CONCEPT_ASSERT( (boost::RandomAccessRangeConcept<interior_type>) ); | |
108 | ||
109 | struct checker | |
110 | { | |
111 | static inline void apply() | |
112 | { | |
113 | const_polygon_type const* cpoly = 0; | |
114 | ||
115 | ring_const_type ce = traits::exterior_ring<const_polygon_type>::get(*cpoly); | |
116 | interior_const_type ci = traits::interior_rings<const_polygon_type>::get(*cpoly); | |
117 | ||
118 | boost::ignore_unused_variable_warning(ce); | |
119 | boost::ignore_unused_variable_warning(ci); | |
120 | boost::ignore_unused_variable_warning(cpoly); | |
121 | } | |
122 | }; | |
123 | ||
124 | public: | |
125 | ||
126 | BOOST_CONCEPT_USAGE(ConstPolygon) | |
127 | { | |
128 | checker::apply(); | |
129 | } | |
130 | #endif | |
131 | }; | |
132 | ||
133 | }}} // namespace boost::geometry::concepts | |
134 | ||
135 | #endif // BOOST_GEOMETRY_GEOMETRIES_CONCEPTS_POLYGON_CONCEPT_HPP |