// Boost.Geometry (aka GGL, Generic Geometry Library)
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// Copyright (c) 2019-2019 Barend Gehrels, Amsterdam, the Netherlands.
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// Use, modification and distribution is subject to the Boost Software License,
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// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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#ifndef BOOST_GEOMETRY_ALGORITHMS_DETAIL_OVERLAY_SEGMENT_AS_SUBRANGE_HPP
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#define BOOST_GEOMETRY_ALGORITHMS_DETAIL_OVERLAY_SEGMENT_AS_SUBRANGE_HPP
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#include <cstddef>
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#include <map>
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#include <boost/geometry/core/access.hpp>
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namespace boost { namespace geometry
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{
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#ifndef DOXYGEN_NO_DETAIL
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namespace detail
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{
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template <typename Segment>
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struct segment_as_subrange
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{
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segment_as_subrange(Segment const& s)
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: m_segment(s)
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{
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geometry::set<0>(m_p1, geometry::get<0, 0>(m_segment));
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geometry::set<1>(m_p1, geometry::get<0, 1>(m_segment));
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geometry::set<0>(m_p2, geometry::get<1, 0>(m_segment));
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geometry::set<1>(m_p2, geometry::get<1, 1>(m_segment));
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}
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typedef typename geometry::point_type<Segment>::type point_type;
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point_type const& at(std::size_t index) const
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{
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return index == 0 ? m_p1 : m_p2;
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}
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static inline bool is_last_segment()
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{
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return true;
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}
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point_type m_p1, m_p2;
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Segment const& m_segment;
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};
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} // namespace detail
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#endif // DOXYGEN_NO_DETAIL
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}} // namespace boost::geometry
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#endif // BOOST_GEOMETRY_ALGORITHMS_DETAIL_OVERLAY_SEGMENT_AS_SUBRANGE_HPP
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