Chris@102: // Boost.Geometry (aka GGL, Generic Geometry Library)
Chris@102: 
Chris@102: // Copyright (c) 2007-2012 Barend Gehrels, Amsterdam, the Netherlands.
Chris@102: // Copyright (c) 2008-2012 Bruno Lalande, Paris, France.
Chris@102: // Copyright (c) 2009-2012 Mateusz Loskot, London, UK.
Chris@102: // Copyright (c) 2014 Adam Wulkiewicz, Lodz, Poland
Chris@102: 
Chris@102: // Use, modification and distribution is subject to the Boost Software License,
Chris@102: // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
Chris@102: // http://www.boost.org/LICENSE_1_0.txt)
Chris@102: 
Chris@102: #ifndef BOOST_GEOMETRY_VIEWS_DETAIL_INDEXED_POINT_VIEW_HPP
Chris@102: #define BOOST_GEOMETRY_VIEWS_DETAIL_INDEXED_POINT_VIEW_HPP
Chris@102: 
Chris@102: #include <cstddef>
Chris@102: 
Chris@102: #include <boost/geometry/core/access.hpp>
Chris@102: #include <boost/geometry/core/coordinate_type.hpp>
Chris@102: #include <boost/geometry/core/coordinate_system.hpp>
Chris@102: #include <boost/geometry/core/coordinate_dimension.hpp>
Chris@102: #include <boost/geometry/util/math.hpp>
Chris@102: 
Chris@102: namespace boost { namespace geometry
Chris@102: {
Chris@102: 
Chris@102: namespace detail
Chris@102: {
Chris@102: 
Chris@102: template <typename Geometry, std::size_t Index>
Chris@102: class indexed_point_view
Chris@102: {
Chris@102:     indexed_point_view & operator=(indexed_point_view const&);
Chris@102: 
Chris@102: public:
Chris@102:     typedef typename geometry::point_type<Geometry>::type point_type;
Chris@102:     typedef typename geometry::coordinate_type<Geometry>::type coordinate_type;
Chris@102: 
Chris@102:     indexed_point_view(Geometry & geometry)
Chris@102:         : m_geometry(geometry)
Chris@102:     {}
Chris@102: 
Chris@102:     template <std::size_t Dimension>
Chris@102:     inline coordinate_type get() const
Chris@102:     {
Chris@102:         return geometry::get<Index, Dimension>(m_geometry);
Chris@102:     }
Chris@102: 
Chris@102:     template <std::size_t Dimension>
Chris@102:     inline void set(coordinate_type const& value)
Chris@102:     {
Chris@102:         geometry::set<Index, Dimension>(m_geometry, value);
Chris@102:     }
Chris@102: 
Chris@102: private:
Chris@102:     Geometry & m_geometry;
Chris@102: };
Chris@102: 
Chris@102: }
Chris@102: 
Chris@102: #ifndef DOXYGEN_NO_TRAITS_SPECIALIZATIONS
Chris@102: namespace traits
Chris@102: {
Chris@102: 
Chris@102: template <typename Geometry, std::size_t Index>
Chris@102: struct tag< detail::indexed_point_view<Geometry, Index> >
Chris@102: {
Chris@102:     typedef point_tag type;
Chris@102: };
Chris@102: 
Chris@102: template <typename Geometry, std::size_t Index>
Chris@102: struct coordinate_type< detail::indexed_point_view<Geometry, Index> >
Chris@102: {
Chris@102:     typedef typename geometry::coordinate_type<Geometry>::type type;
Chris@102: };
Chris@102: 
Chris@102: template <typename Geometry, std::size_t Index>
Chris@102: struct coordinate_system< detail::indexed_point_view<Geometry, Index> >
Chris@102: {
Chris@102:     typedef typename geometry::coordinate_system<Geometry>::type type;
Chris@102: };
Chris@102: 
Chris@102: template <typename Geometry, std::size_t Index>
Chris@102: struct dimension< detail::indexed_point_view<Geometry, Index> >
Chris@102:     : geometry::dimension<Geometry>
Chris@102: {};
Chris@102: 
Chris@102: template<typename Geometry, std::size_t Index, std::size_t Dimension>
Chris@102: struct access< detail::indexed_point_view<Geometry, Index>, Dimension >
Chris@102: {
Chris@102:     typedef typename geometry::coordinate_type<Geometry>::type coordinate_type;
Chris@102: 
Chris@102:     static inline coordinate_type get(
Chris@102:         detail::indexed_point_view<Geometry, Index> const& p)
Chris@102:     {
Chris@102:         return p.template get<Dimension>();
Chris@102:     }
Chris@102: 
Chris@102:     static inline void set(
Chris@102:         detail::indexed_point_view<Geometry, Index> & p,
Chris@102:         coordinate_type const& value)
Chris@102:     {
Chris@102:         p.template set<Dimension>(value);
Chris@102:     }
Chris@102: };
Chris@102: 
Chris@102: } // namespace traits
Chris@102: #endif // DOXYGEN_NO_TRAITS_SPECIALIZATIONS
Chris@102: 
Chris@102: }} // namespace boost::geometry
Chris@102: 
Chris@102: 
Chris@102: #endif // BOOST_GEOMETRY_VIEWS_DETAIL_INDEXED_POINT_VIEW_HPP