ceph/src/boost/libs/geometry/include/boost/geometry/geometries/adapted/boost_polygon/point.hpp

   1 // Boost.Geometry (aka GGL, Generic Geometry Library)
   2
   3 // Copyright (c) 2010-2012 Barend Gehrels, Amsterdam, the Netherlands.
   4
   5 // Use, modification and distribution is subject to the Boost Software License,
   6 // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
   7 // http://www.boost.org/LICENSE_1_0.txt)
   8
   9 #ifndef BOOST_GEOMETRY_GEOMETRIES_ADAPTED_BOOST_POLYGON_POINT_HPP
  10 #define BOOST_GEOMETRY_GEOMETRIES_ADAPTED_BOOST_POLYGON_POINT_HPP
  11
  12 // Adapts Geometries from Boost.Polygon for usage in Boost.Geometry
  13 // boost::polygon::point_data -> boost::geometry::point
  14
  15
  16 #include <boost/polygon/polygon.hpp>
  17
  18 #include <boost/geometry/core/access.hpp>
  19 #include <boost/geometry/core/cs.hpp>
  20 #include <boost/geometry/core/coordinate_dimension.hpp>
  21 #include <boost/geometry/core/coordinate_type.hpp>
  22 #include <boost/geometry/core/tags.hpp>
  23
  24
  25 namespace boost { namespace geometry
  26 {
  27
  28
  29 #ifndef DOXYGEN_NO_TRAITS_SPECIALIZATIONS
  30 namespace traits
  31 {
  32
  33
  34 template <typename CoordinateType>
  35 struct tag<boost::polygon::point_data<CoordinateType> >
  36 {
  37     typedef point_tag type;
  38 };
  39
  40
  41 template <typename CoordinateType>
  42 struct coordinate_type<boost::polygon::point_data<CoordinateType> >
  43 {
  44     typedef CoordinateType type;
  45 };
  46
  47
  48 template <typename CoordinateType>
  49 struct coordinate_system<boost::polygon::point_data<CoordinateType> >
  50 {
  51     typedef cs::cartesian type;
  52 };
  53
  54
  55 template <typename CoordinateType>
  56 struct dimension<boost::polygon::point_data<CoordinateType> >
  57             : boost::mpl::int_<2>
  58 {};
  59
  60
  61 template <typename CoordinateType>
  62 struct access<boost::polygon::point_data<CoordinateType>, 0>
  63 {
  64     typedef boost::polygon::point_data<CoordinateType> point_type;
  65
  66     static inline CoordinateType get(point_type const& p)
  67     {
  68         return p.x();
  69     }
  70
  71     static inline void set(point_type& p, CoordinateType const& value)
  72     {
  73         p.x(value);
  74     }
  75 };
  76
  77
  78 template <typename CoordinateType>
  79 struct access<boost::polygon::point_data<CoordinateType>, 1>
  80 {
  81     typedef boost::polygon::point_data<CoordinateType> point_type;
  82
  83     static inline CoordinateType get(point_type const& p)
  84     {
  85         return p.y();
  86     }
  87
  88     static inline void set(point_type& p, CoordinateType const& value)
  89     {
  90         p.y(value);
  91     }
  92 };
  93
  94
  95 } // namespace traits
  96 #endif // DOXYGEN_NO_TRAITS_SPECIALIZATIONS
  97
  98
  99 }} // namespace boost::geometry
 100
 101
 102 #endif // BOOST_GEOMETRY_GEOMETRIES_ADAPTED_BOOST_POLYGON_POINT_HPP