adapted/boost_polygon/box.hpp

0001 // Boost.Geometry (aka GGL, Generic Geometry Library)
0002
0003 // Copyright (c) 2010-2012 Barend Gehrels, Amsterdam, the Netherlands.
0004
0005 // Use, modification and distribution is subject to the Boost Software License,
0006 // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
0007 // http://www.boost.org/LICENSE_1_0.txt)
0008
0009 #ifndef BOOST_GEOMETRY_GEOMETRIES_ADAPTED_BOOST_POLYGON_BOX_HPP
0010 #define BOOST_GEOMETRY_GEOMETRIES_ADAPTED_BOOST_POLYGON_BOX_HPP
0011
0012 // Adapts Geometries from Boost.Polygon for usage in Boost.Geometry
0013 // boost::polygon::rectangle_data -> boost::geometry::box
0014
0015
0016 #include <boost/polygon/polygon.hpp>
0017
0018 #include <boost/geometry/core/access.hpp>
0019 #include <boost/geometry/core/cs.hpp>
0020 #include <boost/geometry/core/coordinate_dimension.hpp>
0021 #include <boost/geometry/core/coordinate_type.hpp>
0022 #include <boost/geometry/core/tags.hpp>
0023
0024
0025 namespace boost { namespace geometry
0026 {
0027
0028
0029 #ifndef DOXYGEN_NO_TRAITS_SPECIALIZATIONS
0030 namespace traits
0031 {
0032
0033
0034 template <typename CoordinateType>
0035 struct tag<boost::polygon::rectangle_data<CoordinateType> >
0036 {
0037     typedef box_tag type;
0038 };
0039
0040
0041 template <typename CoordinateType>
0042 struct point_type<boost::polygon::rectangle_data<CoordinateType> >
0043 {
0044     // Not sure what to do here. Boost.Polygon's rectangle does NOT define its
0045     // point_type (but uses it...)
0046     typedef boost::polygon::point_data<CoordinateType> type;
0047 };
0048
0049
0050 template <typename CoordinateType>
0051 struct indexed_access
0052 <
0053     boost::polygon::rectangle_data<CoordinateType>,
0054     min_corner, 0
0055 >
0056 {
0057     typedef boost::polygon::rectangle_data<CoordinateType> box_type;
0058
0059     static inline CoordinateType get(box_type const& b)
0060     {
0061         return boost::polygon::xl(b);
0062     }
0063
0064     static inline void set(box_type& b, CoordinateType const& value)
0065     {
0066         boost::polygon::xl(b, value);
0067     }
0068 };
0069
0070
0071 template <typename CoordinateType>
0072 struct indexed_access
0073 <
0074     boost::polygon::rectangle_data<CoordinateType>,
0075     min_corner, 1
0076 >
0077 {
0078     typedef boost::polygon::rectangle_data<CoordinateType> box_type;
0079
0080     static inline CoordinateType get(box_type const& b)
0081     {
0082         return boost::polygon::yl(b);
0083     }
0084
0085     static inline void set(box_type& b, CoordinateType const& value)
0086     {
0087         boost::polygon::yl(b, value);
0088     }
0089 };
0090
0091
0092 template <typename CoordinateType>
0093 struct indexed_access
0094 <
0095     boost::polygon::rectangle_data<CoordinateType>,
0096     max_corner, 0
0097 >
0098 {
0099     typedef boost::polygon::rectangle_data<CoordinateType> box_type;
0100
0101     static inline CoordinateType get(box_type const& b)
0102     {
0103         return boost::polygon::xh(b);
0104     }
0105
0106     static inline void set(box_type& b, CoordinateType const& value)
0107     {
0108         boost::polygon::xh(b, value);
0109     }
0110 };
0111
0112
0113 template <typename CoordinateType>
0114 struct indexed_access
0115 <
0116     boost::polygon::rectangle_data<CoordinateType>,
0117     max_corner, 1
0118 >
0119 {
0120     typedef boost::polygon::rectangle_data<CoordinateType> box_type;
0121
0122     static inline CoordinateType get(box_type const& b)
0123     {
0124         return boost::polygon::yh(b);
0125     }
0126
0127     static inline void set(box_type& b, CoordinateType const& value)
0128     {
0129         boost::polygon::yh(b, value);
0130     }
0131 };
0132
0133
0134 } // namespace traits
0135 #endif // DOXYGEN_NO_TRAITS_SPECIALIZATIONS
0136
0137
0138 }} // namespace boost::geometry
0139
0140
0141 #endif // BOOST_GEOMETRY_GEOMETRIES_ADAPTED_BOOST_POLYGON_BOX_HPP