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/usr/include/boost/geometry/algorithms/detail/covered_by/interface.hpp
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// Boost.Geometry (aka GGL, Generic Geometry Library) // Copyright (c) 2007-2012 Barend Gehrels, Amsterdam, the Netherlands. // Copyright (c) 2008-2012 Bruno Lalande, Paris, France. // Copyright (c) 2009-2012 Mateusz Loskot, London, UK. // This file was modified by Oracle on 2013, 2014, 2017, 2018. // Modifications copyright (c) 2013-2018 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_COVERED_BY_INTERFACE_HPP #define BOOST_GEOMETRY_ALGORITHMS_DETAIL_COVERED_BY_INTERFACE_HPP #include <boost/variant/apply_visitor.hpp> #include <boost/variant/static_visitor.hpp> #include <boost/variant/variant_fwd.hpp> #include <boost/geometry/algorithms/detail/within/interface.hpp> #include <boost/geometry/algorithms/not_implemented.hpp> #include <boost/geometry/strategies/cartesian/point_in_box.hpp> #include <boost/geometry/strategies/cartesian/box_in_box.hpp> #include <boost/geometry/strategies/default_strategy.hpp> namespace boost { namespace geometry { #ifndef DOXYGEN_NO_DISPATCH namespace dispatch { template < typename Geometry1, typename Geometry2, typename Tag1 = typename tag<Geometry1>::type, typename Tag2 = typename tag<Geometry2>::type > struct covered_by : not_implemented<Tag1, Tag2> {}; } // namespace dispatch #endif // DOXYGEN_NO_DISPATCH namespace resolve_strategy { struct covered_by { template <typename Geometry1, typename Geometry2, typename Strategy> static inline bool apply(Geometry1 const& geometry1, Geometry2 const& geometry2, Strategy const& strategy) { concepts::within::check<Geometry1, Geometry2, Strategy>(); concepts::check<Geometry1 const>(); concepts::check<Geometry2 const>(); assert_dimension_equal<Geometry1, Geometry2>(); return dispatch::covered_by<Geometry1, Geometry2>::apply(geometry1, geometry2, strategy); } template <typename Geometry1, typename Geometry2> static inline bool apply(Geometry1 const& geometry1, Geometry2 const& geometry2, default_strategy) { typedef typename strategy::covered_by::services::default_strategy < Geometry1, Geometry2 >::type strategy_type; return covered_by::apply(geometry1, geometry2, strategy_type()); } }; } // namespace resolve_strategy namespace resolve_variant { template <typename Geometry1, typename Geometry2> struct covered_by { template <typename Strategy> static inline bool apply(Geometry1 const& geometry1, Geometry2 const& geometry2, Strategy const& strategy) { return resolve_strategy::covered_by ::apply(geometry1, geometry2, strategy); } }; template <BOOST_VARIANT_ENUM_PARAMS(typename T), typename Geometry2> struct covered_by<boost::variant<BOOST_VARIANT_ENUM_PARAMS(T)>, Geometry2> { template <typename Strategy> struct visitor: boost::static_visitor<bool> { Geometry2 const& m_geometry2; Strategy const& m_strategy; visitor(Geometry2 const& geometry2, Strategy const& strategy) : m_geometry2(geometry2), m_strategy(strategy) {} template <typename Geometry1> bool operator()(Geometry1 const& geometry1) const { return covered_by<Geometry1, Geometry2> ::apply(geometry1, m_geometry2, m_strategy); } }; template <typename Strategy> static inline bool apply(boost::variant<BOOST_VARIANT_ENUM_PARAMS(T)> const& geometry1, Geometry2 const& geometry2, Strategy const& strategy) { return boost::apply_visitor(visitor<Strategy>(geometry2, strategy), geometry1); } }; template <typename Geometry1, BOOST_VARIANT_ENUM_PARAMS(typename T)> struct covered_by<Geometry1, boost::variant<BOOST_VARIANT_ENUM_PARAMS(T)> > { template <typename Strategy> struct visitor: boost::static_visitor<bool> { Geometry1 const& m_geometry1; Strategy const& m_strategy; visitor(Geometry1 const& geometry1, Strategy const& strategy) : m_geometry1(geometry1), m_strategy(strategy) {} template <typename Geometry2> bool operator()(Geometry2 const& geometry2) const { return covered_by<Geometry1, Geometry2> ::apply(m_geometry1, geometry2, m_strategy); } }; template <typename Strategy> static inline bool apply(Geometry1 const& geometry1, boost::variant<BOOST_VARIANT_ENUM_PARAMS(T)> const& geometry2, Strategy const& strategy) { return boost::apply_visitor(visitor<Strategy>(geometry1, strategy), geometry2); } }; template < BOOST_VARIANT_ENUM_PARAMS(typename T1), BOOST_VARIANT_ENUM_PARAMS(typename T2) > struct covered_by< boost::variant<BOOST_VARIANT_ENUM_PARAMS(T1)>, boost::variant<BOOST_VARIANT_ENUM_PARAMS(T2)> > { template <typename Strategy> struct visitor: boost::static_visitor<bool> { Strategy const& m_strategy; visitor(Strategy const& strategy): m_strategy(strategy) {} template <typename Geometry1, typename Geometry2> bool operator()(Geometry1 const& geometry1, Geometry2 const& geometry2) const { return covered_by<Geometry1, Geometry2> ::apply(geometry1, geometry2, m_strategy); } }; template <typename Strategy> static inline bool apply(boost::variant<BOOST_VARIANT_ENUM_PARAMS(T1)> const& geometry1, boost::variant<BOOST_VARIANT_ENUM_PARAMS(T2)> const& geometry2, Strategy const& strategy) { return boost::apply_visitor(visitor<Strategy>(strategy), geometry1, geometry2); } }; } // namespace resolve_variant /*! \brief \brief_check12{is inside or on border} \ingroup covered_by \details \details_check12{covered_by, is inside or on border}. \tparam Geometry1 \tparam_geometry \tparam Geometry2 \tparam_geometry \param geometry1 \param_geometry which might be inside or on the border of the second geometry \param geometry2 \param_geometry which might cover the first geometry \return true if geometry1 is inside of or on the border of geometry2, else false \note The default strategy is used for covered_by detection \qbk{[include reference/algorithms/covered_by.qbk]} \qbk{ [heading Examples] [covered_by] [covered_by_output] } */ template<typename Geometry1, typename Geometry2> inline bool covered_by(Geometry1 const& geometry1, Geometry2 const& geometry2) { return resolve_variant::covered_by<Geometry1, Geometry2> ::apply(geometry1, geometry2, default_strategy()); } /*! \brief \brief_check12{is inside or on border} \brief_strategy \ingroup covered_by \details \details_check12{covered_by, is inside or on border}, \brief_strategy. \details_strategy_reasons \tparam Geometry1 \tparam_geometry \tparam Geometry2 \tparam_geometry \param geometry1 \param_geometry which might be inside or on the border of the second geometry \param geometry2 \param_geometry which might cover the first geometry \param strategy strategy to be used \return true if geometry1 is inside of or on the border of geometry2, else false \qbk{distinguish,with strategy} \qbk{[include reference/algorithms/covered_by.qbk]} */ template<typename Geometry1, typename Geometry2, typename Strategy> inline bool covered_by(Geometry1 const& geometry1, Geometry2 const& geometry2, Strategy const& strategy) { return resolve_variant::covered_by<Geometry1, Geometry2> ::apply(geometry1, geometry2, strategy); } }} // namespace boost::geometry #endif // BOOST_GEOMETRY_ALGORITHMS_DETAIL_COVERED_BY_INTERFACE_HPP
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