83 lines
2.7 KiB
C++
83 lines
2.7 KiB
C++
// 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 2013-2020.
|
|
// Modifications copyright (c) 2013-2020, 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/strategies/relate/services.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 strategies::relate::services::default_strategy
|
|
<
|
|
Geometry, Geometry
|
|
>::type strategy_type;
|
|
|
|
typedef detail::overlay::turn_info<point_type> turn_info;
|
|
|
|
std::deque<turn_info> turns;
|
|
|
|
typedef detail::overlay::get_turn_info
|
|
<
|
|
detail::overlay::assign_null_policy
|
|
> turn_policy;
|
|
|
|
strategy_type strategy;
|
|
|
|
detail::disjoint::disjoint_interrupt_policy policy;
|
|
// TODO: skip_adjacent should be set to false
|
|
detail::self_get_turn_points::get_turns
|
|
<
|
|
false, turn_policy
|
|
>::apply(geometry, strategy, detail::no_rescale_policy(), turns, policy, 0, true);
|
|
return policy.has_intersections;
|
|
}
|
|
};
|
|
|
|
}} // namespace detail::intersects
|
|
#endif // DOXYGEN_NO_DETAIL
|
|
|
|
}} // namespace boost::geometry
|
|
|
|
#endif // BOOST_GEOMETRY_ALGORITHMS_DETAIL_INTERSECTS_IMPLEMENTATION_HPP
|