Chris@16: // Boost.Geometry Index
Chris@16: //
Chris@16: // n-dimensional bounds
Chris@16: //
Chris@101: // Copyright (c) 2011-2014 Adam Wulkiewicz, Lodz, Poland.
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: #ifndef BOOST_GEOMETRY_INDEX_DETAIL_ALGORITHMS_BOUNDS_HPP
Chris@16: #define BOOST_GEOMETRY_INDEX_DETAIL_ALGORITHMS_BOUNDS_HPP
Chris@16: 
Chris@101: #include <boost/geometry/index/detail/bounded_view.hpp>
Chris@101: 
Chris@16: namespace boost { namespace geometry { namespace index { namespace detail {
Chris@16: 
Chris@16: namespace dispatch {
Chris@16: 
Chris@16: template <typename Geometry,
Chris@16:           typename Bounds,
Chris@16:           typename TagGeometry = typename geometry::tag<Geometry>::type,
Chris@16:           typename TagBounds = typename geometry::tag<Bounds>::type>
Chris@16: struct bounds
Chris@16: {
Chris@16:     static inline void apply(Geometry const& g, Bounds & b)
Chris@16:     {
Chris@16:         geometry::convert(g, b);
Chris@16:     }
Chris@16: };
Chris@16: 
Chris@101: template <typename Geometry, typename Bounds>
Chris@101: struct bounds<Geometry, Bounds, segment_tag, box_tag>
Chris@101: {
Chris@101:     static inline void apply(Geometry const& g, Bounds & b)
Chris@101:     {
Chris@101:         index::detail::bounded_view<Geometry, Bounds> v(g);
Chris@101:         geometry::convert(v, b);
Chris@101:     }
Chris@101: };
Chris@101: 
Chris@16: } // namespace dispatch
Chris@16: 
Chris@16: template <typename Geometry, typename Bounds>
Chris@16: inline void bounds(Geometry const& g, Bounds & b)
Chris@16: {
Chris@16:     concept::check_concepts_and_equal_dimensions<Geometry const, Bounds>();
Chris@16:     dispatch::bounds<Geometry, Bounds>::apply(g, b);
Chris@16: }
Chris@16: 
Chris@101: namespace dispatch {
Chris@101: 
Chris@101: template <typename Geometry,
Chris@101:           typename TagGeometry = typename geometry::tag<Geometry>::type>
Chris@101: struct return_ref_or_bounds
Chris@101: {
Chris@101:     typedef Geometry const& result_type;
Chris@101: 
Chris@101:     static inline result_type apply(Geometry const& g)
Chris@101:     {
Chris@101:         return g;
Chris@101:     }
Chris@101: };
Chris@101: 
Chris@101: template <typename Geometry>
Chris@101: struct return_ref_or_bounds<Geometry, segment_tag>
Chris@101: {
Chris@101:     typedef typename point_type<Geometry>::type point_type;
Chris@101:     typedef geometry::model::box<point_type> bounds_type;
Chris@101:     typedef index::detail::bounded_view<Geometry, bounds_type> result_type;
Chris@101: 
Chris@101:     static inline result_type apply(Geometry const& g)
Chris@101:     {
Chris@101:         return result_type(g);
Chris@101:     }
Chris@101: };
Chris@101: 
Chris@101: } // namespace dispatch
Chris@101: 
Chris@101: template <typename Geometry>
Chris@101: inline
Chris@101: typename dispatch::return_ref_or_bounds<Geometry>::result_type
Chris@101: return_ref_or_bounds(Geometry const& g)
Chris@101: {
Chris@101:     return dispatch::return_ref_or_bounds<Geometry>::apply(g);
Chris@101: }
Chris@101: 
Chris@16: }}}} // namespace boost::geometry::index::detail
Chris@16: 
Chris@16: #endif // BOOST_GEOMETRY_INDEX_DETAIL_ALGORITHMS_BOUNDS_HPP