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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 | #ifndef BOOST_GEOMETRY_GEOMETRIES_POINT_XY_HPP | |
15 | #define BOOST_GEOMETRY_GEOMETRIES_POINT_XY_HPP | |
16 | ||
17 | #include <cstddef> | |
18 | ||
19 | #include <boost/config.hpp> | |
20 | #include <boost/mpl/int.hpp> | |
21 | ||
22 | #include <boost/geometry/core/cs.hpp> | |
23 | #include <boost/geometry/geometries/point.hpp> | |
24 | ||
25 | namespace boost { namespace geometry | |
26 | { | |
27 | ||
28 | namespace model { namespace d2 | |
29 | { | |
30 | ||
31 | /*! | |
32 | \brief 2D point in Cartesian coordinate system | |
33 | \tparam CoordinateType numeric type, for example, double, float, int | |
34 | \tparam CoordinateSystem coordinate system, defaults to cs::cartesian | |
35 | ||
36 | \qbk{[include reference/geometries/point_xy.qbk]} | |
37 | \qbk{before.synopsis, | |
38 | [heading Model of] | |
39 | [link geometry.reference.concepts.concept_point Point Concept] | |
40 | } | |
41 | ||
42 | \qbk{[include reference/geometries/point_assign_warning.qbk]} | |
43 | ||
44 | */ | |
45 | template<typename CoordinateType, typename CoordinateSystem = cs::cartesian> | |
46 | class point_xy : public model::point<CoordinateType, 2, CoordinateSystem> | |
47 | { | |
48 | public: | |
49 | ||
50 | #ifndef BOOST_NO_CXX11_DEFAULTED_FUNCTIONS | |
51 | /// \constructor_default_no_init | |
52 | point_xy() = default; | |
53 | #else | |
54 | /// \constructor_default_no_init | |
55 | inline point_xy() | |
56 | {} | |
57 | #endif | |
58 | ||
59 | /// Constructor with x/y values | |
60 | inline point_xy(CoordinateType const& x, CoordinateType const& y) | |
61 | : model::point<CoordinateType, 2, CoordinateSystem>(x, y) | |
62 | {} | |
63 | ||
64 | /// Get x-value | |
65 | inline CoordinateType const& x() const | |
66 | { return this->template get<0>(); } | |
67 | ||
68 | /// Get y-value | |
69 | inline CoordinateType const& y() const | |
70 | { return this->template get<1>(); } | |
71 | ||
72 | /// Set x-value | |
73 | inline void x(CoordinateType const& v) | |
74 | { this->template set<0>(v); } | |
75 | ||
76 | /// Set y-value | |
77 | inline void y(CoordinateType const& v) | |
78 | { this->template set<1>(v); } | |
79 | }; | |
80 | ||
81 | ||
82 | }} // namespace model::d2 | |
83 | ||
84 | ||
85 | // Adapt the point_xy to the concept | |
86 | #ifndef DOXYGEN_NO_TRAITS_SPECIALIZATIONS | |
87 | namespace traits | |
88 | { | |
89 | ||
90 | template <typename CoordinateType, typename CoordinateSystem> | |
91 | struct tag<model::d2::point_xy<CoordinateType, CoordinateSystem> > | |
92 | { | |
93 | typedef point_tag type; | |
94 | }; | |
95 | ||
96 | template<typename CoordinateType, typename CoordinateSystem> | |
97 | struct coordinate_type<model::d2::point_xy<CoordinateType, CoordinateSystem> > | |
98 | { | |
99 | typedef CoordinateType type; | |
100 | }; | |
101 | ||
102 | template<typename CoordinateType, typename CoordinateSystem> | |
103 | struct coordinate_system<model::d2::point_xy<CoordinateType, CoordinateSystem> > | |
104 | { | |
105 | typedef CoordinateSystem type; | |
106 | }; | |
107 | ||
108 | template<typename CoordinateType, typename CoordinateSystem> | |
109 | struct dimension<model::d2::point_xy<CoordinateType, CoordinateSystem> > | |
110 | : boost::mpl::int_<2> | |
111 | {}; | |
112 | ||
113 | template<typename CoordinateType, typename CoordinateSystem, std::size_t Dimension> | |
114 | struct access<model::d2::point_xy<CoordinateType, CoordinateSystem>, Dimension > | |
115 | { | |
116 | static inline CoordinateType get( | |
117 | model::d2::point_xy<CoordinateType, CoordinateSystem> const& p) | |
118 | { | |
119 | return p.template get<Dimension>(); | |
120 | } | |
121 | ||
122 | static inline void set(model::d2::point_xy<CoordinateType, CoordinateSystem>& p, | |
123 | CoordinateType const& value) | |
124 | { | |
125 | p.template set<Dimension>(value); | |
126 | } | |
127 | }; | |
128 | ||
129 | } // namespace traits | |
130 | #endif // DOXYGEN_NO_TRAITS_SPECIALIZATIONS | |
131 | ||
132 | }} // namespace boost::geometry | |
133 | ||
134 | #endif // BOOST_GEOMETRY_GEOMETRIES_POINT_XY_HPP |