// 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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// This file was modified by Oracle on 2015-2020.
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// Modifications copyright (c) 2015-2020, Oracle and/or its affiliates.
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// Contributed and/or modified by Vissarion Fysikopoulos, on behalf of Oracle
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// Contributed and/or modified by Menelaos Karavelas, on behalf of Oracle
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// Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
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// Distributed under the Boost Software License, Version 1.0.
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// (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_STRATEGY_CARTESIAN_ENVELOPE_BOX_HPP
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#define BOOST_GEOMETRY_STRATEGY_CARTESIAN_ENVELOPE_BOX_HPP
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#include <cstddef>
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#include <boost/geometry/core/access.hpp>
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#include <boost/geometry/core/coordinate_dimension.hpp>
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#include <boost/geometry/core/tags.hpp>
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#include <boost/geometry/views/detail/indexed_point_view.hpp>
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#include <boost/geometry/algorithms/detail/convert_point_to_point.hpp>
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#include <boost/geometry/algorithms/detail/normalize.hpp>
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#include <boost/geometry/algorithms/detail/envelope/transform_units.hpp>
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#include <boost/geometry/algorithms/dispatch/envelope.hpp>
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#include <boost/geometry/strategy/cartesian/expand_box.hpp>
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#include <boost/geometry/strategy/envelope.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 envelope
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{
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template
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<
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std::size_t Index,
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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 envelope_indexed_box
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{
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template <typename BoxIn, typename BoxOut>
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static inline void apply(BoxIn const& box_in, BoxOut& mbr)
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{
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detail::indexed_point_view<BoxIn const, Index> box_in_corner(box_in);
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detail::indexed_point_view<BoxOut, Index> mbr_corner(mbr);
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detail::conversion::point_to_point
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<
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detail::indexed_point_view<BoxIn const, Index>,
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detail::indexed_point_view<BoxOut, Index>,
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Dimension,
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DimensionCount
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>::apply(box_in_corner, mbr_corner);
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}
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};
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}} // namespace detail::envelope
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#endif // DOXYGEN_NO_DETAIL
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namespace strategy { namespace envelope
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{
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struct cartesian_box
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{
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typedef cartesian_tag cs_tag;
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template<typename BoxIn, typename BoxOut>
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static inline void apply(BoxIn const& box_in, BoxOut& mbr)
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{
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geometry::detail::envelope::envelope_indexed_box
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<
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min_corner, 0, dimension<BoxIn>::value
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>::apply(box_in, mbr);
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geometry::detail::envelope::envelope_indexed_box
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<
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max_corner, 0, dimension<BoxIn>::value
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>::apply(box_in, mbr);
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}
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};
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#ifndef DOXYGEN_NO_STRATEGY_SPECIALIZATIONS
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namespace services
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{
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template <typename CalculationType>
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struct default_strategy<box_tag, cartesian_tag, CalculationType>
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{
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typedef strategy::envelope::cartesian_box type;
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};
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}
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#endif // DOXYGEN_NO_STRATEGY_SPECIALIZATIONS
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}} // namespace strategy::envelope
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}} // namespace boost::geometry
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#endif // BOOST_GEOMETRY_STRATEGY_CARTESIAN_ENVELOPE_BOX_HPP
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