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