Chris@16: // Boost.Geometry (aka GGL, Generic Geometry Library)
Chris@16: 
Chris@16: // Copyright (c) 2007-2012 Barend Gehrels, Amsterdam, the Netherlands.
Chris@16: // Copyright (c) 2008-2012 Bruno Lalande, Paris, France.
Chris@16: // Copyright (c) 2009-2012 Mateusz Loskot, London, UK.
Chris@16: 
Chris@16: // Parts of Boost.Geometry are redesigned from Geodan's Geographic Library
Chris@16: // (geolib/GGL), copyright (c) 1995-2010 Geodan, Amsterdam, the Netherlands.
Chris@16: 
Chris@16: // Use, modification and distribution is subject to the Boost Software License,
Chris@16: // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
Chris@16: // http://www.boost.org/LICENSE_1_0.txt)
Chris@16: 
Chris@16: 
Chris@16: #ifndef BOOST_GEOMETRY_GEOMETRIES_REGISTER_SEGMENT_HPP
Chris@16: #define BOOST_GEOMETRY_GEOMETRIES_REGISTER_SEGMENT_HPP
Chris@16: 
Chris@16: 
Chris@16: #ifndef DOXYGEN_NO_SPECIALIZATIONS
Chris@16: 
Chris@16: 
Chris@16: #define BOOST_GEOMETRY_DETAIL_SPECIALIZE_SEGMENT_ACCESS(Segment, Point, Index0, Index1) \
Chris@16: template <size_t D> \
Chris@16: struct indexed_access<Segment, min_corner, D> \
Chris@16: { \
Chris@16:     typedef typename coordinate_type<Point>::type ct; \
Chris@16:     static inline ct get(Segment const& b) \
Chris@16:     { return geometry::get<D>(b. Index0);  } \
Chris@16:     static inline void set(Segment& b, ct const& value) \
Chris@16:     { geometry::set<D>(b. Index0, value);  } \
Chris@16: }; \
Chris@16: template <size_t D> \
Chris@16: struct indexed_access<Segment, max_corner, D> \
Chris@16: { \
Chris@16:     typedef typename coordinate_type<Point>::type ct; \
Chris@16:     static inline ct get(Segment const& b) \
Chris@16:     { return geometry::get<D>(b. Index1);  } \
Chris@16:     static inline void set(Segment& b, ct const& value) \
Chris@16:     { geometry::set<D>(b. Index1, value);  } \
Chris@16: };
Chris@16: 
Chris@16: 
Chris@16: #define BOOST_GEOMETRY_DETAIL_SPECIALIZE_SEGMENT_ACCESS_TEMPLATIZED(Segment, Index0, Index1) \
Chris@16: template <typename P, size_t D> \
Chris@16: struct indexed_access<Segment<P>, min_corner, D> \
Chris@16: { \
Chris@16:     typedef typename coordinate_type<P>::type ct; \
Chris@16:     static inline ct get(Segment<P> const& b) \
Chris@16:     { return geometry::get<D>(b. Index0);  } \
Chris@16:     static inline void set(Segment<P>& b, ct const& value) \
Chris@16:     { geometry::set<D>(b. Index0, value);  } \
Chris@16: }; \
Chris@16: template <typename P, size_t D> \
Chris@16: struct indexed_access<Segment<P>, max_corner, D> \
Chris@16: { \
Chris@16:     typedef typename coordinate_type<P>::type ct; \
Chris@16:     static inline ct get(Segment<P> const& b) \
Chris@16:     { return geometry::get<D>(b. Index1);  } \
Chris@16:     static inline void set(Segment<P>& b, ct const& value) \
Chris@16:     { geometry::set<D>(b. Index1, value);  } \
Chris@16: };
Chris@16: 
Chris@16: 
Chris@16: #define BOOST_GEOMETRY_DETAIL_SPECIALIZE_SEGMENT_ACCESS_4VALUES(Segment, Point, Left, Bottom, Right, Top) \
Chris@16: template <> struct indexed_access<Segment, min_corner, 0> \
Chris@16: { \
Chris@16:     typedef coordinate_type<Point>::type ct; \
Chris@16:     static inline ct get(Segment const& b) { return b. Left;  } \
Chris@16:     static inline void set(Segment& b, ct const& value) { b. Left = value; } \
Chris@16: }; \
Chris@16: template <> struct indexed_access<Segment, min_corner, 1> \
Chris@16: { \
Chris@16:     typedef coordinate_type<Point>::type ct; \
Chris@16:     static inline ct get(Segment const& b) { return b. Bottom;  } \
Chris@16:     static inline void set(Segment& b, ct const& value) { b. Bottom = value; } \
Chris@16: }; \
Chris@16: template <> struct indexed_access<Segment, max_corner, 0> \
Chris@16: { \
Chris@16:     typedef coordinate_type<Point>::type ct; \
Chris@16:     static inline ct get(Segment const& b) { return b. Right;  } \
Chris@16:     static inline void set(Segment& b, ct const& value) { b. Right = value; } \
Chris@16: }; \
Chris@16: template <> struct indexed_access<Segment, max_corner, 1> \
Chris@16: { \
Chris@16:     typedef coordinate_type<Point>::type ct; \
Chris@16:     static inline ct get(Segment const& b) { return b. Top; } \
Chris@16:     static inline void set(Segment& b, ct const& value) { b. Top = value; } \
Chris@16: };
Chris@16: 
Chris@16: 
Chris@16: 
Chris@16: 
Chris@16: #define BOOST_GEOMETRY_DETAIL_SPECIALIZE_SEGMENT_TRAITS(Segment, PointType) \
Chris@16:     template<> struct tag<Segment > { typedef segment_tag type; }; \
Chris@16:     template<> struct point_type<Segment > { typedef PointType type; };
Chris@16: 
Chris@16: #define BOOST_GEOMETRY_DETAIL_SPECIALIZE_SEGMENT_TRAITS_TEMPLATIZED(Segment) \
Chris@16:     template<typename P> struct tag<Segment<P> > { typedef segment_tag type; }; \
Chris@16:     template<typename P> struct point_type<Segment<P> > { typedef P type; };
Chris@16: 
Chris@16: #endif // DOXYGEN_NO_SPECIALIZATIONS
Chris@16: 
Chris@16: 
Chris@16: 
Chris@16: #define BOOST_GEOMETRY_REGISTER_SEGMENT(Segment, PointType, Index0, Index1) \
Chris@16: namespace boost { namespace geometry { namespace traits {  \
Chris@16:     BOOST_GEOMETRY_DETAIL_SPECIALIZE_SEGMENT_TRAITS(Segment, PointType) \
Chris@16:     BOOST_GEOMETRY_DETAIL_SPECIALIZE_SEGMENT_ACCESS(Segment, PointType, Index0, Index1) \
Chris@16: }}}
Chris@16: 
Chris@16: 
Chris@16: #define BOOST_GEOMETRY_REGISTER_SEGMENT_TEMPLATIZED(Segment, Index0, Index1) \
Chris@16: namespace boost { namespace geometry { namespace traits {  \
Chris@16:     BOOST_GEOMETRY_DETAIL_SPECIALIZE_SEGMENT_TRAITS_TEMPLATIZED(Segment) \
Chris@16:     BOOST_GEOMETRY_DETAIL_SPECIALIZE_SEGMENT_ACCESS_TEMPLATIZED(Segment, Index0, Index1) \
Chris@16: }}}
Chris@16: 
Chris@16: #define BOOST_GEOMETRY_REGISTER_SEGMENT_2D_4VALUES(Segment, PointType, Left, Bottom, Right, Top) \
Chris@16: namespace boost { namespace geometry { namespace traits {  \
Chris@16:     BOOST_GEOMETRY_DETAIL_SPECIALIZE_SEGMENT_TRAITS(Segment, PointType) \
Chris@16:     BOOST_GEOMETRY_DETAIL_SPECIALIZE_SEGMENT_ACCESS_4VALUES(Segment, PointType, Left, Bottom, Right, Top) \
Chris@16: }}}
Chris@16: 
Chris@16: 
Chris@16: 
Chris@16: // CONST versions are for segments probably not that common. Postponed.
Chris@16: 
Chris@16: 
Chris@16: #endif // BOOST_GEOMETRY_GEOMETRIES_REGISTER_SEGMENT_HPP