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Added thirdparty: boost library
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Viacheslav Demydiuk
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// Boost.Geometry (aka GGL, Generic Geometry Library)
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// Copyright (c) 2007-2012 Barend Gehrels, Amsterdam, the Netherlands.
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// This file was modified by Oracle on 2014-2022.
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// Modifications copyright (c) 2014-2022, Oracle and/or its affiliates.
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// Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
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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_INTERSECTION_INTERFACE_HPP
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#define BOOST_GEOMETRY_ALGORITHMS_DETAIL_INTERSECTION_INTERFACE_HPP
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#include <boost/geometry/algorithms/detail/overlay/intersection_insert.hpp>
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#include <boost/geometry/algorithms/detail/tupled_output.hpp>
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#include <boost/geometry/geometries/adapted/boost_variant.hpp>
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#include <boost/geometry/policies/robustness/get_rescale_policy.hpp>
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#include <boost/geometry/strategies/default_strategy.hpp>
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#include <boost/geometry/strategies/detail.hpp>
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#include <boost/geometry/strategies/relate/services.hpp>
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#include <boost/geometry/util/range.hpp>
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#include <boost/geometry/util/type_traits_std.hpp>
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namespace boost { namespace geometry
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{
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#ifndef DOXYGEN_NO_DISPATCH
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namespace dispatch
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{
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// By default, all is forwarded to the intersection_insert-dispatcher
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template
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<
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typename Geometry1, typename Geometry2,
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typename Tag1 = typename geometry::tag<Geometry1>::type,
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typename Tag2 = typename geometry::tag<Geometry2>::type,
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bool Reverse = reverse_dispatch<Geometry1, Geometry2>::type::value
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>
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struct intersection
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{
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template <typename RobustPolicy, typename GeometryOut, typename Strategy>
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static inline bool apply(Geometry1 const& geometry1,
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Geometry2 const& geometry2,
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RobustPolicy const& robust_policy,
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GeometryOut& geometry_out,
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Strategy const& strategy)
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{
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typedef typename geometry::detail::output_geometry_value
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<
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GeometryOut
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>::type SingleOut;
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intersection_insert
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<
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Geometry1, Geometry2, SingleOut,
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overlay_intersection
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>::apply(geometry1, geometry2, robust_policy,
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geometry::detail::output_geometry_back_inserter(geometry_out),
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strategy);
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return true;
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}
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};
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// If reversal is needed, perform it
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template
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<
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typename Geometry1, typename Geometry2,
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typename Tag1, typename Tag2
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>
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struct intersection
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<
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Geometry1, Geometry2,
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Tag1, Tag2,
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true
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>
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: intersection<Geometry2, Geometry1, Tag2, Tag1, false>
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{
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template <typename RobustPolicy, typename GeometryOut, typename Strategy>
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static inline bool apply(
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Geometry1 const& g1,
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Geometry2 const& g2,
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RobustPolicy const& robust_policy,
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GeometryOut& out,
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Strategy const& strategy)
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{
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return intersection
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<
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Geometry2, Geometry1,
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Tag2, Tag1,
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false
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>::apply(g2, g1, robust_policy, out, strategy);
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}
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};
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} // namespace dispatch
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#endif // DOXYGEN_NO_DISPATCH
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namespace resolve_collection
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{
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template
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<
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typename Geometry1, typename Geometry2, typename GeometryOut,
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typename Tag1 = typename geometry::tag<Geometry1>::type,
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typename Tag2 = typename geometry::tag<Geometry2>::type,
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typename TagOut = typename geometry::tag<GeometryOut>::type
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>
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struct intersection
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{
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template <typename Strategy>
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static bool apply(Geometry1 const& geometry1, Geometry2 const& geometry2,
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GeometryOut & geometry_out, Strategy const& strategy)
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{
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typedef typename geometry::rescale_overlay_policy_type
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<
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Geometry1,
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Geometry2,
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typename Strategy::cs_tag
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>::type rescale_policy_type;
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rescale_policy_type robust_policy
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= geometry::get_rescale_policy<rescale_policy_type>(
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geometry1, geometry2, strategy);
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return dispatch::intersection
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<
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Geometry1,
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Geometry2
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>::apply(geometry1, geometry2, robust_policy, geometry_out,
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strategy);
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}
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};
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} // namespace resolve_collection
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namespace resolve_strategy {
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template
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<
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typename Strategy,
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bool IsUmbrella = strategies::detail::is_umbrella_strategy<Strategy>::value
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>
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struct intersection
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{
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template
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<
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typename Geometry1,
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typename Geometry2,
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typename GeometryOut
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>
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static inline bool apply(Geometry1 const& geometry1,
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Geometry2 const& geometry2,
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GeometryOut & geometry_out,
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Strategy const& strategy)
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{
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return resolve_collection::intersection
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<
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Geometry1, Geometry2, GeometryOut
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>::apply(geometry1, geometry2, geometry_out, strategy);
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}
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};
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template <typename Strategy>
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struct intersection<Strategy, false>
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{
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template
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<
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typename Geometry1,
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typename Geometry2,
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typename GeometryOut
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>
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static inline bool apply(Geometry1 const& geometry1,
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Geometry2 const& geometry2,
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GeometryOut & geometry_out,
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Strategy const& strategy)
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{
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using strategies::relate::services::strategy_converter;
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return intersection
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<
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decltype(strategy_converter<Strategy>::get(strategy))
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>::apply(geometry1, geometry2, geometry_out,
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strategy_converter<Strategy>::get(strategy));
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}
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};
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template <>
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struct intersection<default_strategy, false>
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{
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template
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<
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typename Geometry1,
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typename Geometry2,
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typename GeometryOut
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>
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static inline bool apply(Geometry1 const& geometry1,
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Geometry2 const& geometry2,
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GeometryOut & geometry_out,
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default_strategy)
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{
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typedef typename strategies::relate::services::default_strategy
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<
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Geometry1, Geometry2
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>::type strategy_type;
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return intersection
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<
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strategy_type
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>::apply(geometry1, geometry2, geometry_out, strategy_type());
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}
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};
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} // resolve_strategy
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namespace resolve_dynamic
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{
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template
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<
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typename Geometry1, typename Geometry2,
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typename Tag1 = typename geometry::tag<Geometry1>::type,
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typename Tag2 = typename geometry::tag<Geometry2>::type
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>
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struct intersection
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{
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template <typename GeometryOut, typename Strategy>
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static inline bool apply(Geometry1 const& geometry1, Geometry2 const& geometry2,
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GeometryOut& geometry_out, Strategy const& strategy)
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{
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concepts::check<Geometry1 const>();
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concepts::check<Geometry2 const>();
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return resolve_strategy::intersection
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<
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Strategy
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>::apply(geometry1, geometry2, geometry_out, strategy);
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}
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};
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template <typename DynamicGeometry1, typename Geometry2, typename Tag2>
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struct intersection<DynamicGeometry1, Geometry2, dynamic_geometry_tag, Tag2>
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{
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template <typename GeometryOut, typename Strategy>
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static inline bool apply(DynamicGeometry1 const& geometry1, Geometry2 const& geometry2,
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GeometryOut& geometry_out, Strategy const& strategy)
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{
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bool result = false;
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traits::visit<DynamicGeometry1>::apply([&](auto const& g1)
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{
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result = intersection
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<
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util::remove_cref_t<decltype(g1)>,
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Geometry2
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>::apply(g1, geometry2, geometry_out, strategy);
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}, geometry1);
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return result;
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}
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};
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template <typename Geometry1, typename DynamicGeometry2, typename Tag1>
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struct intersection<Geometry1, DynamicGeometry2, Tag1, dynamic_geometry_tag>
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{
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template <typename GeometryOut, typename Strategy>
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static inline bool apply(Geometry1 const& geometry1, DynamicGeometry2 const& geometry2,
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GeometryOut& geometry_out, Strategy const& strategy)
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{
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bool result = false;
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traits::visit<DynamicGeometry2>::apply([&](auto const& g2)
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{
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result = intersection
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<
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Geometry1,
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util::remove_cref_t<decltype(g2)>
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>::apply(geometry1, g2, geometry_out, strategy);
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}, geometry2);
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return result;
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}
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};
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template <typename DynamicGeometry1, typename DynamicGeometry2>
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struct intersection<DynamicGeometry1, DynamicGeometry2, dynamic_geometry_tag, dynamic_geometry_tag>
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{
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template <typename GeometryOut, typename Strategy>
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static inline bool apply(DynamicGeometry1 const& geometry1, DynamicGeometry2 const& geometry2,
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GeometryOut& geometry_out, Strategy const& strategy)
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{
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bool result = false;
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traits::visit<DynamicGeometry1, DynamicGeometry2>::apply([&](auto const& g1, auto const& g2)
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{
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result = intersection
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<
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util::remove_cref_t<decltype(g1)>,
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util::remove_cref_t<decltype(g2)>
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>::apply(g1, g2, geometry_out, strategy);
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}, geometry1, geometry2);
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return result;
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}
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};
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} // namespace resolve_dynamic
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/*!
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\brief \brief_calc2{intersection}
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\ingroup intersection
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\details \details_calc2{intersection, spatial set theoretic intersection}.
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\tparam Geometry1 \tparam_geometry
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\tparam Geometry2 \tparam_geometry
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\tparam GeometryOut Collection of geometries (e.g. std::vector, std::deque, boost::geometry::multi*) of which
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the value_type fulfills a \p_l_or_c concept, or it is the output geometry (e.g. for a box)
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\tparam Strategy \tparam_strategy{Intersection}
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\param geometry1 \param_geometry
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\param geometry2 \param_geometry
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\param geometry_out The output geometry, either a multi_point, multi_polygon,
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multi_linestring, or a box (for intersection of two boxes)
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\param strategy \param_strategy{intersection}
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\qbk{distinguish,with strategy}
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\qbk{[include reference/algorithms/intersection.qbk]}
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*/
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template
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<
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typename Geometry1,
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typename Geometry2,
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typename GeometryOut,
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typename Strategy
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>
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inline bool intersection(Geometry1 const& geometry1,
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Geometry2 const& geometry2,
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GeometryOut& geometry_out,
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Strategy const& strategy)
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{
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return resolve_dynamic::intersection
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<
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Geometry1,
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Geometry2
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>::apply(geometry1, geometry2, geometry_out, strategy);
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}
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/*!
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\brief \brief_calc2{intersection}
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\ingroup intersection
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\details \details_calc2{intersection, spatial set theoretic intersection}.
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\tparam Geometry1 \tparam_geometry
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\tparam Geometry2 \tparam_geometry
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\tparam GeometryOut Collection of geometries (e.g. std::vector, std::deque, boost::geometry::multi*) of which
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the value_type fulfills a \p_l_or_c concept, or it is the output geometry (e.g. for a box)
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\param geometry1 \param_geometry
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\param geometry2 \param_geometry
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\param geometry_out The output geometry, either a multi_point, multi_polygon,
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multi_linestring, or a box (for intersection of two boxes)
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\qbk{[include reference/algorithms/intersection.qbk]}
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*/
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template
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<
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typename Geometry1,
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typename Geometry2,
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typename GeometryOut
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>
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inline bool intersection(Geometry1 const& geometry1,
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Geometry2 const& geometry2,
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GeometryOut& geometry_out)
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{
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return resolve_dynamic::intersection
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<
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Geometry1,
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Geometry2
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>::apply(geometry1, geometry2, geometry_out, default_strategy());
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}
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}} // namespace boost::geometry
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#endif // BOOST_GEOMETRY_ALGORITHMS_DETAIL_INTERSECTION_INTERFACE_HPP
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