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author | DongHun Kwak <dh0128.kwak@samsung.com> | 2017-09-13 11:24:46 +0900 |
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committer | DongHun Kwak <dh0128.kwak@samsung.com> | 2017-09-13 11:25:39 +0900 |
commit | 4fadd968fa12130524c8380f33fcfe25d4de79e5 (patch) | |
tree | fd26a490cd15388d42fc6652b3c5c13012e7f93e /boost/geometry/algorithms/detail/intersects/implementation.hpp | |
parent | b5c87084afaef42b2d058f68091be31988a6a874 (diff) | |
download | boost-upstream/1.65.0.tar.gz boost-upstream/1.65.0.tar.bz2 boost-upstream/1.65.0.zip |
Imported Upstream version 1.65.0upstream/1.65.0
Change-Id: Icf8400b375482cb11bcf77440a6934ba360d6ba4
Signed-off-by: DongHun Kwak <dh0128.kwak@samsung.com>
Diffstat (limited to 'boost/geometry/algorithms/detail/intersects/implementation.hpp')
-rw-r--r-- | boost/geometry/algorithms/detail/intersects/implementation.hpp | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/boost/geometry/algorithms/detail/intersects/implementation.hpp b/boost/geometry/algorithms/detail/intersects/implementation.hpp new file mode 100644 index 0000000000..2379168e83 --- /dev/null +++ b/boost/geometry/algorithms/detail/intersects/implementation.hpp @@ -0,0 +1,88 @@ +// Boost.Geometry (aka GGL, Generic Geometry Library) + +// Copyright (c) 2007-2014 Barend Gehrels, Amsterdam, the Netherlands. +// Copyright (c) 2008-2014 Bruno Lalande, Paris, France. +// Copyright (c) 2009-2014 Mateusz Loskot, London, UK. + +// This file was modified by Oracle on 2013-2017. +// Modifications copyright (c) 2013-2017, Oracle and/or its affiliates. + +// Contributed and/or modified by Menelaos Karavelas, on behalf of Oracle +// Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle + +// Parts of Boost.Geometry are redesigned from Geodan's Geographic Library +// (geolib/GGL), copyright (c) 1995-2010 Geodan, Amsterdam, the Netherlands. + +// Use, modification and distribution is subject to the Boost Software License, +// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at +// http://www.boost.org/LICENSE_1_0.txt) + +#ifndef BOOST_GEOMETRY_ALGORITHMS_DETAIL_INTERSECTS_IMPLEMENTATION_HPP +#define BOOST_GEOMETRY_ALGORITHMS_DETAIL_INTERSECTS_IMPLEMENTATION_HPP + + +#include <deque> + +#include <boost/geometry/algorithms/detail/intersects/interface.hpp> +#include <boost/geometry/algorithms/detail/disjoint/implementation.hpp> + +#include <boost/geometry/algorithms/detail/overlay/self_turn_points.hpp> +#include <boost/geometry/policies/disjoint_interrupt_policy.hpp> +#include <boost/geometry/policies/robustness/no_rescale_policy.hpp> +#include <boost/geometry/policies/robustness/segment_ratio_type.hpp> + +#include <boost/geometry/strategies/relate.hpp> + + +namespace boost { namespace geometry +{ + +#ifndef DOXYGEN_NO_DETAIL +namespace detail { namespace intersects +{ + +template <typename Geometry> +struct self_intersects +{ + static bool apply(Geometry const& geometry) + { + concepts::check<Geometry const>(); + + typedef typename geometry::point_type<Geometry>::type point_type; + typedef typename strategy::relate::services::default_strategy + < + Geometry, Geometry + >::type strategy_type; + typedef detail::no_rescale_policy rescale_policy_type; + + typedef detail::overlay::turn_info + < + point_type, + typename segment_ratio_type<point_type, rescale_policy_type>::type + > turn_info; + + std::deque<turn_info> turns; + + typedef detail::overlay::get_turn_info + < + detail::overlay::assign_null_policy + > turn_policy; + + strategy_type strategy; + rescale_policy_type robust_policy; + + detail::disjoint::disjoint_interrupt_policy policy; + detail::self_get_turn_points::get_turns + < + false, turn_policy + >::apply(geometry, strategy, robust_policy, turns, policy, 0); + return policy.has_intersections; + } +}; + +}} // namespace detail::intersects +#endif // DOXYGEN_NO_DETAIL + +}} // namespace boost::geometry + +#endif // BOOST_GEOMETRY_ALGORITHMS_DETAIL_INTERSECTS_IMPLEMENTATION_HPP |