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Added thirdparty: boost library
This commit is contained in:
Viacheslav Demydiuk
+540
@@ -0,0 +1,540 @@
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// Boost.Geometry (aka GGL, Generic Geometry Library)
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// Copyright (c) 2007-2015 Barend Gehrels, Amsterdam, the Netherlands.
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// Copyright (c) 2008-2015 Bruno Lalande, Paris, France.
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// Copyright (c) 2009-2015 Mateusz Loskot, London, UK.
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// Copyright (c) 2013-2022 Adam Wulkiewicz, Lodz, Poland.
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// This file was modified by Oracle on 2013-2022.
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// Modifications copyright (c) 2013-2022, Oracle and/or its affiliates.
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// Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
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// Parts of Boost.Geometry are redesigned from Geodan's Geographic Library
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// (geolib/GGL), copyright (c) 1995-2010 Geodan, 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_TOUCHES_IMPLEMENTATION_HPP
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#define BOOST_GEOMETRY_ALGORITHMS_DETAIL_TOUCHES_IMPLEMENTATION_HPP
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#include <type_traits>
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#include <boost/geometry/algorithms/detail/for_each_range.hpp>
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#include <boost/geometry/algorithms/detail/gc_topological_dimension.hpp>
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#include <boost/geometry/algorithms/detail/overlay/overlay.hpp>
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#include <boost/geometry/algorithms/detail/overlay/self_turn_points.hpp>
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#include <boost/geometry/algorithms/detail/sub_range.hpp>
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#include <boost/geometry/algorithms/detail/relate/implementation.hpp>
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#include <boost/geometry/algorithms/detail/relate/implementation_gc.hpp>
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#include <boost/geometry/algorithms/detail/relate/relate_impl.hpp>
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#include <boost/geometry/algorithms/detail/touches/interface.hpp>
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#include <boost/geometry/algorithms/detail/visit.hpp>
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#include <boost/geometry/algorithms/disjoint.hpp>
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#include <boost/geometry/algorithms/intersects.hpp>
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#include <boost/geometry/algorithms/num_geometries.hpp>
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#include <boost/geometry/geometries/helper_geometry.hpp>
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#include <boost/geometry/policies/robustness/no_rescale_policy.hpp>
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#include <boost/geometry/strategies/relate/cartesian.hpp>
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#include <boost/geometry/strategies/relate/geographic.hpp>
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#include <boost/geometry/strategies/relate/spherical.hpp>
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#include <boost/geometry/views/detail/geometry_collection_view.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 { namespace touches
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{
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// Box/Box
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template
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<
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std::size_t Dimension,
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std::size_t DimensionCount
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>
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struct box_box_loop
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{
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template <typename Box1, typename Box2>
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static inline bool apply(Box1 const& b1, Box2 const& b2, bool & touch)
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{
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typedef typename coordinate_type<Box1>::type coordinate_type1;
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typedef typename coordinate_type<Box2>::type coordinate_type2;
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coordinate_type1 const& min1 = get<min_corner, Dimension>(b1);
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coordinate_type1 const& max1 = get<max_corner, Dimension>(b1);
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coordinate_type2 const& min2 = get<min_corner, Dimension>(b2);
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coordinate_type2 const& max2 = get<max_corner, Dimension>(b2);
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// TODO assert or exception?
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//BOOST_GEOMETRY_ASSERT(min1 <= max1 && min2 <= max2);
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if (max1 < min2 || max2 < min1)
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{
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return false;
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}
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if (max1 == min2 || max2 == min1)
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{
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touch = true;
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}
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return box_box_loop
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<
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Dimension + 1,
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DimensionCount
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>::apply(b1, b2, touch);
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}
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};
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template
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<
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std::size_t DimensionCount
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>
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struct box_box_loop<DimensionCount, DimensionCount>
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{
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template <typename Box1, typename Box2>
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static inline bool apply(Box1 const& , Box2 const&, bool &)
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{
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return true;
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}
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};
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struct box_box
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{
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template <typename Box1, typename Box2, typename Strategy>
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static inline bool apply(Box1 const& b1, Box2 const& b2, Strategy const& /*strategy*/)
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{
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BOOST_STATIC_ASSERT((std::is_same
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<
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typename geometry::coordinate_system<Box1>::type,
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typename geometry::coordinate_system<Box2>::type
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>::value
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));
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assert_dimension_equal<Box1, Box2>();
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bool touches = false;
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bool ok = box_box_loop
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<
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0,
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dimension<Box1>::type::value
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>::apply(b1, b2, touches);
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return ok && touches;
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}
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};
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// Areal/Areal
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struct areal_interrupt_policy
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{
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static bool const enabled = true;
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bool found_touch;
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bool found_not_touch;
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// dummy variable required by self_get_turn_points::get_turns
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static bool const has_intersections = false;
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inline bool result()
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{
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return found_touch && !found_not_touch;
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}
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inline areal_interrupt_policy()
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: found_touch(false), found_not_touch(false)
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{}
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template <typename Range>
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inline bool apply(Range const& range)
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{
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// if already rejected (temp workaround?)
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if (found_not_touch)
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{
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return true;
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}
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for (auto it = boost::begin(range); it != boost::end(range); ++it)
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{
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if (it->has(overlay::operation_intersection))
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{
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found_not_touch = true;
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return true;
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}
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switch (it->method)
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{
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case overlay::method_crosses:
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found_not_touch = true;
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return true;
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case overlay::method_equal:
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// Segment spatially equal means: at the right side
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// the polygon internally overlaps. So return false.
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found_not_touch = true;
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return true;
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case overlay::method_touch:
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case overlay::method_touch_interior:
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case overlay::method_collinear:
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if ( ok_for_touch(*it) )
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{
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found_touch = true;
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}
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else
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{
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found_not_touch = true;
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return true;
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}
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break;
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case overlay::method_start :
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case overlay::method_none :
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case overlay::method_disjoint :
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case overlay::method_error :
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break;
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}
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}
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return false;
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}
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template <typename Turn>
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inline bool ok_for_touch(Turn const& turn)
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{
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return turn.both(overlay::operation_union)
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|| turn.both(overlay::operation_blocked)
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|| turn.combination(overlay::operation_union, overlay::operation_blocked)
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;
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}
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};
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template <typename Geometry1, typename Geometry2, typename Strategy>
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inline bool point_on_border_within(Geometry1 const& geometry1,
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Geometry2 const& geometry2,
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Strategy const& strategy)
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{
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using point_type = typename geometry::point_type<Geometry1>::type;
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typename helper_geometry<point_type>::type pt;
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return geometry::point_on_border(pt, geometry1)
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&& geometry::within(pt, geometry2, strategy);
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}
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template <typename FirstGeometry, typename SecondGeometry, typename Strategy>
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inline bool rings_containing(FirstGeometry const& geometry1,
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SecondGeometry const& geometry2,
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Strategy const& strategy)
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{
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return geometry::detail::any_range_of(geometry2, [&](auto const& range)
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{
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return point_on_border_within(range, geometry1, strategy);
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});
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}
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template <typename Geometry1, typename Geometry2>
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struct areal_areal
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{
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template <typename Strategy>
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static inline bool apply(Geometry1 const& geometry1,
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Geometry2 const& geometry2,
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Strategy const& strategy)
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{
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using point_type = typename geometry::point_type<Geometry1>::type;
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using mutable_point_type = typename helper_geometry<point_type>::type;
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using turn_info = detail::overlay::turn_info<mutable_point_type>;
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std::deque<turn_info> turns;
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detail::touches::areal_interrupt_policy policy;
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geometry::get_turns
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<
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detail::overlay::do_reverse<geometry::point_order<Geometry1>::value>::value,
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detail::overlay::do_reverse<geometry::point_order<Geometry2>::value>::value,
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detail::overlay::assign_null_policy
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>(geometry1, geometry2, strategy, detail::no_rescale_policy(), turns, policy);
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return policy.result()
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&& ! geometry::detail::touches::rings_containing(geometry1, geometry2, strategy)
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&& ! geometry::detail::touches::rings_containing(geometry2, geometry1, strategy);
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}
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};
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// P/*
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struct use_point_in_geometry
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{
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template <typename Point, typename Geometry, typename Strategy>
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static inline bool apply(Point const& point, Geometry const& geometry, Strategy const& strategy)
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{
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return detail::within::point_in_geometry(point, geometry, strategy) == 0;
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}
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};
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// GC
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struct gc_gc
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{
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template <typename Geometry1, typename Geometry2, typename Strategy>
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static inline bool apply(Geometry1 const& geometry1, Geometry2 const& geometry2,
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Strategy const& strategy)
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{
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int const dimension1 = detail::gc_topological_dimension(geometry1);
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int const dimension2 = detail::gc_topological_dimension(geometry2);
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if (dimension1 == 0 && dimension2 == 0)
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{
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return false;
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}
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else
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{
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return detail::relate::relate_impl
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<
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detail::de9im::static_mask_touches_not_pp_type,
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Geometry1,
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Geometry2
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>::apply(geometry1, geometry2, strategy);
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}
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}
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};
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struct notgc_gc
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{
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template <typename Geometry1, typename Geometry2, typename Strategy>
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static inline bool apply(Geometry1 const& geometry1, Geometry2 const& geometry2,
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Strategy const& strategy)
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{
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using gc1_view_t = detail::geometry_collection_view<Geometry1>;
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return gc_gc::apply(gc1_view_t(geometry1), geometry2, strategy);
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}
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};
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struct gc_notgc
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{
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template <typename Geometry1, typename Geometry2, typename Strategy>
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static inline bool apply(Geometry1 const& geometry1, Geometry2 const& geometry2,
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Strategy const& strategy)
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{
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using gc2_view_t = detail::geometry_collection_view<Geometry2>;
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return gc_gc::apply(geometry1, gc2_view_t(geometry2), strategy);
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}
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};
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}}
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#endif // DOXYGEN_NO_DETAIL
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#ifndef DOXYGEN_NO_DISPATCH
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namespace dispatch {
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// P/P
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template <typename Geometry1, typename Geometry2>
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struct touches<Geometry1, Geometry2, point_tag, point_tag, pointlike_tag, pointlike_tag, false>
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{
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template <typename Strategy>
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static inline bool apply(Geometry1 const& , Geometry2 const& , Strategy const&)
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{
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return false;
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}
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};
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template <typename Geometry1, typename Geometry2>
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struct touches<Geometry1, Geometry2, point_tag, multi_point_tag, pointlike_tag, pointlike_tag, false>
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{
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template <typename Strategy>
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static inline bool apply(Geometry1 const& , Geometry2 const& , Strategy const&)
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{
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return false;
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}
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};
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template <typename Geometry1, typename Geometry2>
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struct touches<Geometry1, Geometry2, multi_point_tag, multi_point_tag, pointlike_tag, pointlike_tag, false>
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{
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template <typename Strategy>
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static inline bool apply(Geometry1 const&, Geometry2 const&, Strategy const&)
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{
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return false;
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}
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};
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// P/L P/A
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template <typename Point, typename Geometry, typename Tag2, typename CastedTag2>
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struct touches<Point, Geometry, point_tag, Tag2, pointlike_tag, CastedTag2, false>
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: detail::touches::use_point_in_geometry
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{};
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template <typename MultiPoint, typename MultiGeometry, typename Tag2, typename CastedTag2>
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struct touches<MultiPoint, MultiGeometry, multi_point_tag, Tag2, pointlike_tag, CastedTag2, false>
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: detail::relate::relate_impl
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<
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detail::de9im::static_mask_touches_type,
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MultiPoint,
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MultiGeometry
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>
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{};
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// L/P A/P
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template <typename Geometry, typename MultiPoint, typename Tag1, typename CastedTag1>
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struct touches<Geometry, MultiPoint, Tag1, multi_point_tag, CastedTag1, pointlike_tag, false>
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: detail::relate::relate_impl
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<
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detail::de9im::static_mask_touches_type,
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Geometry,
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MultiPoint
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>
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{};
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// Box/Box
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template <typename Box1, typename Box2, typename CastedTag1, typename CastedTag2>
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struct touches<Box1, Box2, box_tag, box_tag, CastedTag1, CastedTag2, false>
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: detail::touches::box_box
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{};
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template <typename Box1, typename Box2>
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struct touches<Box1, Box2, box_tag, box_tag, areal_tag, areal_tag, false>
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: detail::touches::box_box
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{};
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// L/L
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template <typename Linear1, typename Linear2, typename Tag1, typename Tag2>
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struct touches<Linear1, Linear2, Tag1, Tag2, linear_tag, linear_tag, false>
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: detail::relate::relate_impl
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<
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detail::de9im::static_mask_touches_type,
|
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Linear1,
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Linear2
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||||
>
|
||||
{};
|
||||
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||||
// L/A
|
||||
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||||
template <typename Linear, typename Areal, typename Tag1, typename Tag2>
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struct touches<Linear, Areal, Tag1, Tag2, linear_tag, areal_tag, false>
|
||||
: detail::relate::relate_impl
|
||||
<
|
||||
detail::de9im::static_mask_touches_type,
|
||||
Linear,
|
||||
Areal
|
||||
>
|
||||
{};
|
||||
|
||||
// A/L
|
||||
template <typename Linear, typename Areal, typename Tag1, typename Tag2>
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struct touches<Areal, Linear, Tag1, Tag2, areal_tag, linear_tag, false>
|
||||
: detail::relate::relate_impl
|
||||
<
|
||||
detail::de9im::static_mask_touches_type,
|
||||
Areal,
|
||||
Linear
|
||||
>
|
||||
{};
|
||||
|
||||
// A/A
|
||||
|
||||
template <typename Areal1, typename Areal2, typename Tag1, typename Tag2>
|
||||
struct touches<Areal1, Areal2, Tag1, Tag2, areal_tag, areal_tag, false>
|
||||
: detail::relate::relate_impl
|
||||
<
|
||||
detail::de9im::static_mask_touches_type,
|
||||
Areal1,
|
||||
Areal2
|
||||
>
|
||||
{};
|
||||
|
||||
template <typename Areal1, typename Areal2>
|
||||
struct touches<Areal1, Areal2, ring_tag, ring_tag, areal_tag, areal_tag, false>
|
||||
: detail::touches::areal_areal<Areal1, Areal2>
|
||||
{};
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||||
|
||||
// GC
|
||||
|
||||
template <typename Geometry1, typename Geometry2>
|
||||
struct touches
|
||||
<
|
||||
Geometry1, Geometry2,
|
||||
geometry_collection_tag, geometry_collection_tag,
|
||||
geometry_collection_tag, geometry_collection_tag,
|
||||
false
|
||||
>
|
||||
: detail::touches::gc_gc
|
||||
{};
|
||||
|
||||
|
||||
template <typename Geometry1, typename Geometry2, typename Tag1, typename CastedTag1>
|
||||
struct touches
|
||||
<
|
||||
Geometry1, Geometry2,
|
||||
Tag1, geometry_collection_tag,
|
||||
CastedTag1, geometry_collection_tag,
|
||||
false
|
||||
>
|
||||
: detail::touches::notgc_gc
|
||||
{};
|
||||
|
||||
|
||||
template <typename Geometry1, typename Geometry2, typename Tag2, typename CastedTag2>
|
||||
struct touches
|
||||
<
|
||||
Geometry1, Geometry2,
|
||||
geometry_collection_tag, Tag2,
|
||||
geometry_collection_tag, CastedTag2,
|
||||
false
|
||||
>
|
||||
: detail::touches::gc_notgc
|
||||
{};
|
||||
|
||||
|
||||
} // namespace dispatch
|
||||
#endif // DOXYGEN_NO_DISPATCH
|
||||
|
||||
|
||||
namespace resolve_dynamic
|
||||
{
|
||||
|
||||
template <typename Geometry, typename Tag>
|
||||
struct self_touches
|
||||
{
|
||||
static bool apply(Geometry const& geometry)
|
||||
{
|
||||
concepts::check<Geometry const>();
|
||||
|
||||
typedef typename strategies::relate::services::default_strategy
|
||||
<
|
||||
Geometry, Geometry
|
||||
>::type strategy_type;
|
||||
typedef typename geometry::point_type<Geometry>::type point_type;
|
||||
typedef detail::overlay::turn_info<point_type> turn_info;
|
||||
|
||||
typedef detail::overlay::get_turn_info
|
||||
<
|
||||
detail::overlay::assign_null_policy
|
||||
> policy_type;
|
||||
|
||||
std::deque<turn_info> turns;
|
||||
detail::touches::areal_interrupt_policy policy;
|
||||
strategy_type strategy;
|
||||
// TODO: skip_adjacent should be set to false
|
||||
detail::self_get_turn_points::get_turns
|
||||
<
|
||||
false, policy_type
|
||||
>::apply(geometry, strategy, detail::no_rescale_policy(),
|
||||
turns, policy, 0, true);
|
||||
|
||||
return policy.result();
|
||||
}
|
||||
};
|
||||
|
||||
} // namespace resolve_dynamic
|
||||
|
||||
}} // namespace boost::geometry
|
||||
|
||||
#endif // BOOST_GEOMETRY_ALGORITHMS_DETAIL_TOUCHES_IMPLEMENTATION_HPP
|
||||
+333
@@ -0,0 +1,333 @@
|
||||
// Boost.Geometry (aka GGL, Generic Geometry Library)
|
||||
|
||||
// Copyright (c) 2007-2015 Barend Gehrels, Amsterdam, the Netherlands.
|
||||
// Copyright (c) 2008-2015 Bruno Lalande, Paris, France.
|
||||
// Copyright (c) 2009-2015 Mateusz Loskot, London, UK.
|
||||
// Copyright (c) 2013-2015 Adam Wulkiewicz, Lodz, Poland.
|
||||
|
||||
// This file was modified by Oracle on 2013-2022.
|
||||
// Modifications copyright (c) 2013-2022, Oracle and/or its affiliates.
|
||||
|
||||
// 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_TOUCHES_INTERFACE_HPP
|
||||
#define BOOST_GEOMETRY_ALGORITHMS_DETAIL_TOUCHES_INTERFACE_HPP
|
||||
|
||||
|
||||
#include <deque>
|
||||
|
||||
#include <boost/geometry/core/reverse_dispatch.hpp>
|
||||
#include <boost/geometry/core/tag.hpp>
|
||||
#include <boost/geometry/core/tag_cast.hpp>
|
||||
#include <boost/geometry/core/tags.hpp>
|
||||
#include <boost/geometry/core/visit.hpp>
|
||||
|
||||
#include <boost/geometry/geometries/adapted/boost_variant.hpp>
|
||||
#include <boost/geometry/geometries/concepts/check.hpp>
|
||||
|
||||
#include <boost/geometry/strategies/default_strategy.hpp>
|
||||
#include <boost/geometry/strategies/detail.hpp>
|
||||
#include <boost/geometry/strategies/relate/services.hpp>
|
||||
|
||||
|
||||
namespace boost { namespace geometry
|
||||
{
|
||||
|
||||
#ifndef DOXYGEN_NO_DISPATCH
|
||||
namespace dispatch {
|
||||
|
||||
// TODO: Since CastedTags are used is Reverse needed?
|
||||
|
||||
template
|
||||
<
|
||||
typename Geometry1,
|
||||
typename Geometry2,
|
||||
typename Tag1 = typename tag<Geometry1>::type,
|
||||
typename Tag2 = typename tag<Geometry2>::type,
|
||||
typename CastedTag1 = typename tag_cast<Tag1, pointlike_tag, linear_tag, areal_tag>::type,
|
||||
typename CastedTag2 = typename tag_cast<Tag2, pointlike_tag, linear_tag, areal_tag>::type,
|
||||
bool Reverse = reverse_dispatch<Geometry1, Geometry2>::type::value
|
||||
>
|
||||
struct touches
|
||||
: not_implemented<Tag1, Tag2>
|
||||
{};
|
||||
|
||||
// If reversal is needed, perform it
|
||||
template
|
||||
<
|
||||
typename Geometry1, typename Geometry2,
|
||||
typename Tag1, typename Tag2,
|
||||
typename CastedTag1, typename CastedTag2
|
||||
>
|
||||
struct touches<Geometry1, Geometry2, Tag1, Tag2, CastedTag1, CastedTag2, true>
|
||||
: touches<Geometry2, Geometry1, Tag2, Tag1, CastedTag2, CastedTag1, false>
|
||||
{
|
||||
template <typename Strategy>
|
||||
static inline bool apply(Geometry1 const& g1, Geometry2 const& g2, Strategy const& strategy)
|
||||
{
|
||||
return touches<Geometry2, Geometry1>::apply(g2, g1, strategy);
|
||||
}
|
||||
};
|
||||
|
||||
} // namespace dispatch
|
||||
#endif // DOXYGEN_NO_DISPATCH
|
||||
|
||||
|
||||
namespace resolve_strategy
|
||||
{
|
||||
|
||||
template
|
||||
<
|
||||
typename Strategy,
|
||||
bool IsUmbrella = strategies::detail::is_umbrella_strategy<Strategy>::value
|
||||
>
|
||||
struct touches
|
||||
{
|
||||
template <typename Geometry1, typename Geometry2>
|
||||
static inline bool apply(Geometry1 const& geometry1,
|
||||
Geometry2 const& geometry2,
|
||||
Strategy const& strategy)
|
||||
{
|
||||
return dispatch::touches
|
||||
<
|
||||
Geometry1, Geometry2
|
||||
>::apply(geometry1, geometry2, strategy);
|
||||
}
|
||||
};
|
||||
|
||||
template <typename Strategy>
|
||||
struct touches<Strategy, false>
|
||||
{
|
||||
template <typename Geometry1, typename Geometry2>
|
||||
static inline bool apply(Geometry1 const& geometry1,
|
||||
Geometry2 const& geometry2,
|
||||
Strategy const& strategy)
|
||||
{
|
||||
using strategies::relate::services::strategy_converter;
|
||||
|
||||
return dispatch::touches
|
||||
<
|
||||
Geometry1, Geometry2
|
||||
>::apply(geometry1, geometry2,
|
||||
strategy_converter<Strategy>::get(strategy));
|
||||
}
|
||||
};
|
||||
|
||||
template <>
|
||||
struct touches<default_strategy, false>
|
||||
{
|
||||
template <typename Geometry1, typename Geometry2>
|
||||
static inline bool apply(Geometry1 const& geometry1,
|
||||
Geometry2 const& geometry2,
|
||||
default_strategy)
|
||||
{
|
||||
typedef typename strategies::relate::services::default_strategy
|
||||
<
|
||||
Geometry1,
|
||||
Geometry2
|
||||
>::type strategy_type;
|
||||
|
||||
return dispatch::touches
|
||||
<
|
||||
Geometry1, Geometry2
|
||||
>::apply(geometry1, geometry2, strategy_type());
|
||||
}
|
||||
};
|
||||
|
||||
} // namespace resolve_strategy
|
||||
|
||||
|
||||
namespace resolve_dynamic {
|
||||
|
||||
template
|
||||
<
|
||||
typename Geometry1, typename Geometry2,
|
||||
typename Tag1 = typename geometry::tag<Geometry1>::type,
|
||||
typename Tag2 = typename geometry::tag<Geometry2>::type
|
||||
>
|
||||
struct touches
|
||||
{
|
||||
template <typename Strategy>
|
||||
static bool apply(Geometry1 const& geometry1, Geometry2 const& geometry2,
|
||||
Strategy const& strategy)
|
||||
{
|
||||
concepts::check<Geometry1 const>();
|
||||
concepts::check<Geometry2 const>();
|
||||
|
||||
return resolve_strategy::touches
|
||||
<
|
||||
Strategy
|
||||
>::apply(geometry1, geometry2, strategy);
|
||||
}
|
||||
};
|
||||
|
||||
template <typename Geometry1, typename Geometry2, typename Tag2>
|
||||
struct touches<Geometry1, Geometry2, dynamic_geometry_tag, Tag2>
|
||||
{
|
||||
template <typename Strategy>
|
||||
static bool apply(Geometry1 const& geometry1, Geometry2 const& geometry2,
|
||||
Strategy const& strategy)
|
||||
{
|
||||
bool result = false;
|
||||
traits::visit<Geometry1>::apply([&](auto const& g1)
|
||||
{
|
||||
result = touches
|
||||
<
|
||||
util::remove_cref_t<decltype(g1)>,
|
||||
Geometry2
|
||||
>::apply(g1, geometry2, strategy);
|
||||
}, geometry1);
|
||||
return result;
|
||||
}
|
||||
};
|
||||
|
||||
template <typename Geometry1, typename Geometry2, typename Tag1>
|
||||
struct touches<Geometry1, Geometry2, Tag1, dynamic_geometry_tag>
|
||||
{
|
||||
template <typename Strategy>
|
||||
static bool apply(Geometry1 const& geometry1, Geometry2 const& geometry2,
|
||||
Strategy const& strategy)
|
||||
{
|
||||
bool result = false;
|
||||
traits::visit<Geometry2>::apply([&](auto const& g2)
|
||||
{
|
||||
result = touches
|
||||
<
|
||||
Geometry1,
|
||||
util::remove_cref_t<decltype(g2)>
|
||||
>::apply(geometry1, g2, strategy);
|
||||
}, geometry2);
|
||||
return result;
|
||||
}
|
||||
};
|
||||
|
||||
template <typename Geometry1, typename Geometry2>
|
||||
struct touches<Geometry1, Geometry2, dynamic_geometry_tag, dynamic_geometry_tag>
|
||||
{
|
||||
template <typename Strategy>
|
||||
static bool apply(Geometry1 const& geometry1, Geometry2 const& geometry2,
|
||||
Strategy const& strategy)
|
||||
{
|
||||
bool result = false;
|
||||
traits::visit<Geometry1, Geometry2>::apply([&](auto const& g1, auto const& g2)
|
||||
{
|
||||
result = touches
|
||||
<
|
||||
util::remove_cref_t<decltype(g1)>,
|
||||
util::remove_cref_t<decltype(g2)>
|
||||
>::apply(g1, g2, strategy);
|
||||
}, geometry1, geometry2);
|
||||
return result;
|
||||
}
|
||||
};
|
||||
|
||||
template <typename Geometry, typename Tag = typename geometry::tag<Geometry>::type>
|
||||
struct self_touches;
|
||||
|
||||
template <typename Geometry>
|
||||
struct self_touches<Geometry, dynamic_geometry_tag>
|
||||
{
|
||||
static bool apply(Geometry const& geometry)
|
||||
{
|
||||
bool result = false;
|
||||
traits::visit<Geometry>::apply([&](auto const& g)
|
||||
{
|
||||
result = self_touches
|
||||
<
|
||||
util::remove_cref_t<decltype(g)>
|
||||
>::apply(g);
|
||||
}, geometry);
|
||||
return result;
|
||||
}
|
||||
};
|
||||
|
||||
} // namespace resolve_dynamic
|
||||
|
||||
|
||||
/*!
|
||||
\brief \brief_check{has at least one touching point (self-tangency)}
|
||||
\note This function can be called for one geometry (self-tangency) and
|
||||
also for two geometries (touch)
|
||||
\ingroup touches
|
||||
\tparam Geometry \tparam_geometry
|
||||
\param geometry \param_geometry
|
||||
\return \return_check{is self-touching}
|
||||
|
||||
\qbk{distinguish,one geometry}
|
||||
\qbk{[def __one_parameter__]}
|
||||
\qbk{[include reference/algorithms/touches.qbk]}
|
||||
\qbk{
|
||||
[heading Examples]
|
||||
[touches_one_geometry]
|
||||
[touches_one_geometry_output]
|
||||
}
|
||||
*/
|
||||
template <typename Geometry>
|
||||
inline bool touches(Geometry const& geometry)
|
||||
{
|
||||
return resolve_dynamic::self_touches<Geometry>::apply(geometry);
|
||||
}
|
||||
|
||||
|
||||
/*!
|
||||
\brief \brief_check2{have at least one touching point (tangent - non overlapping)}
|
||||
\ingroup touches
|
||||
\tparam Geometry1 \tparam_geometry
|
||||
\tparam Geometry2 \tparam_geometry
|
||||
\param geometry1 \param_geometry
|
||||
\param geometry2 \param_geometry
|
||||
\return \return_check2{touch each other}
|
||||
|
||||
\qbk{distinguish,two geometries}
|
||||
\qbk{[include reference/algorithms/touches.qbk]}
|
||||
\qbk{
|
||||
[heading Examples]
|
||||
[touches_two_geometries]
|
||||
[touches_two_geometries_output]
|
||||
}
|
||||
*/
|
||||
template <typename Geometry1, typename Geometry2>
|
||||
inline bool touches(Geometry1 const& geometry1, Geometry2 const& geometry2)
|
||||
{
|
||||
return resolve_dynamic::touches
|
||||
<
|
||||
Geometry1, Geometry2
|
||||
>::apply(geometry1, geometry2, default_strategy());
|
||||
}
|
||||
|
||||
/*!
|
||||
\brief \brief_check2{have at least one touching point (tangent - non overlapping)}
|
||||
\ingroup touches
|
||||
\tparam Geometry1 \tparam_geometry
|
||||
\tparam Geometry2 \tparam_geometry
|
||||
\tparam Strategy \tparam_strategy{Touches}
|
||||
\param geometry1 \param_geometry
|
||||
\param geometry2 \param_geometry
|
||||
\param strategy \param_strategy{touches}
|
||||
\return \return_check2{touch each other}
|
||||
|
||||
\qbk{distinguish,with strategy}
|
||||
\qbk{[include reference/algorithms/touches.qbk]}
|
||||
*/
|
||||
template <typename Geometry1, typename Geometry2, typename Strategy>
|
||||
inline bool touches(Geometry1 const& geometry1,
|
||||
Geometry2 const& geometry2,
|
||||
Strategy const& strategy)
|
||||
{
|
||||
return resolve_dynamic::touches
|
||||
<
|
||||
Geometry1, Geometry2
|
||||
>::apply(geometry1, geometry2, strategy);
|
||||
}
|
||||
|
||||
|
||||
}} // namespace boost::geometry
|
||||
|
||||
#endif // BOOST_GEOMETRY_ALGORITHMS_DETAIL_TOUCHES_INTERFACE_HPP
|
||||
Reference in New Issue
Block a user