12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970 |
- // Boost.Geometry (aka GGL, Generic Geometry Library)
- // Copyright (c) 2014, Oracle and/or its affiliates.
- // Contributed and/or modified by Menelaos Karavelas, on behalf of Oracle
- // Licensed under the Boost Software License version 1.0.
- // http://www.boost.org/users/license.html
- #ifndef BOOST_GEOMETRY_ALGORITHS_DETAIL_DISTANCE_ITERATOR_SELECTOR_HPP
- #define BOOST_GEOMETRY_ALGORITHS_DETAIL_DISTANCE_ITERATOR_SELECTOR_HPP
- #include <boost/geometry/core/tag.hpp>
- #include <boost/geometry/core/tags.hpp>
- #include <boost/geometry/iterators/point_iterator.hpp>
- #include <boost/geometry/iterators/segment_iterator.hpp>
- namespace boost { namespace geometry
- {
- #ifndef DOXYGEN_NO_DETAIL
- namespace detail { namespace distance
- {
- // class to choose between point_iterator and segment_iterator
- template <typename Geometry, typename Tag = typename tag<Geometry>::type>
- struct iterator_selector
- {
- typedef geometry::segment_iterator<Geometry> iterator_type;
- static inline iterator_type begin(Geometry& geometry)
- {
- return segments_begin(geometry);
- }
- static inline iterator_type end(Geometry& geometry)
- {
- return segments_end(geometry);
- }
- };
- template <typename MultiPoint>
- struct iterator_selector<MultiPoint, multi_point_tag>
- {
- typedef geometry::point_iterator<MultiPoint> iterator_type;
- static inline iterator_type begin(MultiPoint& multipoint)
- {
- return points_begin(multipoint);
- }
- static inline iterator_type end(MultiPoint& multipoint)
- {
- return points_end(multipoint);
- }
- };
- }} // namespace detail::distance
- #endif // DOXYGEN_NO_DETAIL
- }} // namespace boost::geometry
- #endif // BOOST_GEOMETRY_ALGORITHS_DETAIL_DISTANCE_ITERATOR_SELECTOR_HPP
|