ceph/src/boost/libs/polygon/include/boost/polygon/point_traits.hpp

   1 // Boost.Polygon library point_traits.hpp header file
   2
   3 // Copyright (c) Intel Corporation 2008.
   4 // Copyright (c) 2008-2012 Simonson Lucanus.
   5 // Copyright (c) 2012-2012 Andrii Sydorchuk.
   6
   7 // See http://www.boost.org for updates, documentation, and revision history.
   8 // Use, modification and distribution is subject to the Boost Software License,
   9 // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
  10 // http://www.boost.org/LICENSE_1_0.txt)
  11
  12 #ifndef BOOST_POLYGON_POINT_TRAITS_HPP
  13 #define BOOST_POLYGON_POINT_TRAITS_HPP
  14
  15 #include "isotropy.hpp"
  16
  17 namespace boost {
  18 namespace polygon {
  19
  20 template <typename PointType>
  21 struct point_traits {
  22   typedef PointType point_type;
  23   typedef typename point_type::coordinate_type coordinate_type;
  24
  25   static coordinate_type get(
  26       const point_type& point, orientation_2d orient) {
  27     return point.get(orient);
  28   }
  29 };
  30
  31 template <typename PointType>
  32 struct point_mutable_traits {
  33   typedef PointType point_type;
  34   typedef typename point_type::coordinate_type coordinate_type;
  35
  36   static void set(
  37       point_type& point, orientation_2d orient, coordinate_type value) {
  38     point.set(orient, value);
  39   }
  40
  41   static point_type construct(coordinate_type x, coordinate_type y) {
  42     return point_type(x, y);
  43   }
  44 };
  45 }  // polygon
  46 }  // boost
  47
  48 #endif  // BOOST_POLYGON_POINT_TRAITS_HPP