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- // 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) 2014-2015 Samuel Debionne, Grenoble, France.
- // This file was modified by Oracle on 2015, 2016, 2018.
- // Modifications copyright (c) 2015-2018, Oracle and/or its affiliates.
- // Contributed and/or modified by Vissarion Fysikopoulos, on behalf of Oracle
- // 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.
- // Distributed under 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_EXPAND_INTERFACE_HPP
- #define BOOST_GEOMETRY_ALGORITHMS_DETAIL_EXPAND_INTERFACE_HPP
- #include <boost/variant/apply_visitor.hpp>
- #include <boost/variant/static_visitor.hpp>
- #include <boost/variant/variant_fwd.hpp>
- #include <boost/geometry/core/coordinate_system.hpp>
- #include <boost/geometry/core/tag.hpp>
- #include <boost/geometry/core/tags.hpp>
- #include <boost/geometry/geometries/concepts/check.hpp>
- #include <boost/geometry/algorithms/dispatch/expand.hpp>
- #include <boost/geometry/strategies/default_strategy.hpp>
- #include <boost/geometry/strategies/expand.hpp>
- namespace boost { namespace geometry
- {
- namespace resolve_strategy
- {
- template <typename Geometry>
- struct expand
- {
- template <typename Box, typename Strategy>
- static inline void apply(Box& box,
- Geometry const& geometry,
- Strategy const& strategy)
- {
- dispatch::expand<Box, Geometry>::apply(box, geometry, strategy);
- }
- template <typename Box>
- static inline void apply(Box& box,
- Geometry const& geometry,
- default_strategy)
- {
- typedef typename strategy::expand::services::default_strategy
- <
- typename tag<Geometry>::type,
- typename cs_tag<Geometry>::type
- >::type strategy_type;
- dispatch::expand<Box, Geometry>::apply(box, geometry, strategy_type());
- }
- };
- } //namespace resolve_strategy
- namespace resolve_variant
- {
-
- template <typename Geometry>
- struct expand
- {
- template <typename Box, typename Strategy>
- static inline void apply(Box& box,
- Geometry const& geometry,
- Strategy const& strategy)
- {
- concepts::check<Box>();
- concepts::check<Geometry const>();
- concepts::check_concepts_and_equal_dimensions<Box, Geometry const>();
-
- resolve_strategy::expand<Geometry>::apply(box, geometry, strategy);
- }
- };
- template <BOOST_VARIANT_ENUM_PARAMS(typename T)>
- struct expand<boost::variant<BOOST_VARIANT_ENUM_PARAMS(T)> >
- {
- template <typename Box, typename Strategy>
- struct visitor: boost::static_visitor<void>
- {
- Box& m_box;
- Strategy const& m_strategy;
-
- visitor(Box& box, Strategy const& strategy)
- : m_box(box)
- , m_strategy(strategy)
- {}
-
- template <typename Geometry>
- void operator()(Geometry const& geometry) const
- {
- return expand<Geometry>::apply(m_box, geometry, m_strategy);
- }
- };
-
- template <class Box, typename Strategy>
- static inline void
- apply(Box& box,
- boost::variant<BOOST_VARIANT_ENUM_PARAMS(T)> const& geometry,
- Strategy const& strategy)
- {
- return boost::apply_visitor(visitor<Box, Strategy>(box, strategy),
- geometry);
- }
- };
-
- } // namespace resolve_variant
-
-
- /***
- *!
- \brief Expands a box using the extend (envelope) of another geometry (box, point)
- \ingroup expand
- \tparam Box type of the box
- \tparam Geometry of second geometry, to be expanded with the box
- \param box box to expand another geometry with, might be changed
- \param geometry other geometry
- \param strategy_less
- \param strategy_greater
- \note Strategy is currently ignored
- *
- template
- <
- typename Box, typename Geometry,
- typename StrategyLess, typename StrategyGreater
- >
- inline void expand(Box& box, Geometry const& geometry,
- StrategyLess const& strategy_less,
- StrategyGreater const& strategy_greater)
- {
- concepts::check_concepts_and_equal_dimensions<Box, Geometry const>();
- dispatch::expand<Box, Geometry>::apply(box, geometry);
- }
- ***/
- /*!
- \brief Expands (with strategy)
- \ingroup expand
- \tparam Box type of the box
- \tparam Geometry \tparam_geometry
- \tparam Strategy \tparam_strategy{expand}
- \param box box to be expanded using another geometry, mutable
- \param geometry \param_geometry geometry which envelope (bounding box)
- \param strategy \param_strategy{expand}
- will be added to the box
- \qbk{distinguish,with strategy}
- \qbk{[include reference/algorithms/expand.qbk]}
- */
- template <typename Box, typename Geometry, typename Strategy>
- inline void expand(Box& box, Geometry const& geometry, Strategy const& strategy)
- {
- resolve_variant::expand<Geometry>::apply(box, geometry, strategy);
- }
- /*!
- \brief Expands a box using the bounding box (envelope) of another geometry
- (box, point)
- \ingroup expand
- \tparam Box type of the box
- \tparam Geometry \tparam_geometry
- \param box box to be expanded using another geometry, mutable
- \param geometry \param_geometry geometry which envelope (bounding box) will be
- added to the box
- \qbk{[include reference/algorithms/expand.qbk]}
- */
- template <typename Box, typename Geometry>
- inline void expand(Box& box, Geometry const& geometry)
- {
- resolve_variant::expand<Geometry>::apply(box, geometry, default_strategy());
- }
- }} // namespace boost::geometry
- #endif // BOOST_GEOMETRY_ALGORITHMS_DETAIL_EXPAND_INTERFACE_HPP
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