ceph/src/boost/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 // This file was modified by Oracle on 2020.
   6 // Modifications copyright (c) 2020, Oracle and/or its affiliates.
   7 // Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
   8
   9 // Use, modification and distribution is subject to the Boost Software License,
  10 // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
  11 // http://www.boost.org/LICENSE_1_0.txt)
  12
  13 #ifndef BOOST_GEOMETRY_GEOMETRIES_ADAPTED_BOOST_POLYGON_POINT_HPP
  14 #define BOOST_GEOMETRY_GEOMETRIES_ADAPTED_BOOST_POLYGON_POINT_HPP
  15
  16 // Adapts Geometries from Boost.Polygon for usage in Boost.Geometry
  17 // boost::polygon::point_data -> boost::geometry::point
  18
  19
  20 #include <type_traits>
  21
  22 #include <boost/polygon/polygon.hpp>
  23
  24 #include <boost/geometry/core/access.hpp>
  25 #include <boost/geometry/core/cs.hpp>
  26 #include <boost/geometry/core/coordinate_dimension.hpp>
  27 #include <boost/geometry/core/coordinate_type.hpp>
  28 #include <boost/geometry/core/tags.hpp>
  29
  30
  31 namespace boost { namespace geometry
  32 {
  33
  34
  35 #ifndef DOXYGEN_NO_TRAITS_SPECIALIZATIONS
  36 namespace traits
  37 {
  38
  39
  40 template <typename CoordinateType>
  41 struct tag<boost::polygon::point_data<CoordinateType> >
  42 {
  43     typedef point_tag type;
  44 };
  45
  46
  47 template <typename CoordinateType>
  48 struct coordinate_type<boost::polygon::point_data<CoordinateType> >
  49 {
  50     typedef CoordinateType type;
  51 };
  52
  53
  54 template <typename CoordinateType>
  55 struct coordinate_system<boost::polygon::point_data<CoordinateType> >
  56 {
  57     typedef cs::cartesian type;
  58 };
  59
  60
  61 template <typename CoordinateType>
  62 struct dimension<boost::polygon::point_data<CoordinateType> >
  63     : std::integral_constant<std::size_t, 2>
  64 {};
  65
  66
  67 template <typename CoordinateType>
  68 struct access<boost::polygon::point_data<CoordinateType>, 0>
  69 {
  70     typedef boost::polygon::point_data<CoordinateType> point_type;
  71
  72     static inline CoordinateType get(point_type const& p)
  73     {
  74         return p.x();
  75     }
  76
  77     static inline void set(point_type& p, CoordinateType const& value)
  78     {
  79         p.x(value);
  80     }
  81 };
  82
  83
  84 template <typename CoordinateType>
  85 struct access<boost::polygon::point_data<CoordinateType>, 1>
  86 {
  87     typedef boost::polygon::point_data<CoordinateType> point_type;
  88
  89     static inline CoordinateType get(point_type const& p)
  90     {
  91         return p.y();
  92     }
  93
  94     static inline void set(point_type& p, CoordinateType const& value)
  95     {
  96         p.y(value);
  97     }
  98 };
  99
 100
 101 } // namespace traits
 102 #endif // DOXYGEN_NO_TRAITS_SPECIALIZATIONS
 103
 104
 105 }} // namespace boost::geometry
 106
 107
 108 #endif // BOOST_GEOMETRY_GEOMETRIES_ADAPTED_BOOST_POLYGON_POINT_HPP