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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.
- // 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_STRATEGIES_CARTESIAN_BOX_IN_BOX_HPP
- #define BOOST_GEOMETRY_STRATEGIES_CARTESIAN_BOX_IN_BOX_HPP
- #include <boost/geometry/core/access.hpp>
- #include <boost/geometry/core/coordinate_dimension.hpp>
- #include <boost/geometry/strategies/covered_by.hpp>
- #include <boost/geometry/strategies/within.hpp>
- namespace boost { namespace geometry { namespace strategy
- {
-
-
- namespace within
- {
- struct box_within_range
- {
- template <typename BoxContainedValue, typename BoxContainingValue>
- static inline bool apply(BoxContainedValue const& bed_min
- , BoxContainedValue const& bed_max
- , BoxContainingValue const& bing_min
- , BoxContainingValue const& bing_max)
- {
- return bed_min > bing_min && bed_max < bing_max;
- }
- };
- struct box_covered_by_range
- {
- template <typename BoxContainedValue, typename BoxContainingValue>
- static inline bool apply(BoxContainedValue const& bed_min
- , BoxContainedValue const& bed_max
- , BoxContainingValue const& bing_min
- , BoxContainingValue const& bing_max)
- {
- return bed_min >= bing_min && bed_max <= bing_max;
- }
- };
- template
- <
- typename SubStrategy,
- typename Box1,
- typename Box2,
- std::size_t Dimension,
- std::size_t DimensionCount
- >
- struct relate_box_box_loop
- {
- static inline bool apply(Box1 const& b_contained, Box2 const& b_containing)
- {
- assert_dimension_equal<Box1, Box2>();
- if (! SubStrategy::apply(
- get<min_corner, Dimension>(b_contained),
- get<max_corner, Dimension>(b_contained),
- get<min_corner, Dimension>(b_containing),
- get<max_corner, Dimension>(b_containing)
- )
- )
- {
- return false;
- }
- return relate_box_box_loop
- <
- SubStrategy,
- Box1, Box2,
- Dimension + 1, DimensionCount
- >::apply(b_contained, b_containing);
- }
- };
- template
- <
- typename SubStrategy,
- typename Box1,
- typename Box2,
- std::size_t DimensionCount
- >
- struct relate_box_box_loop<SubStrategy, Box1, Box2, DimensionCount, DimensionCount>
- {
- static inline bool apply(Box1 const& , Box2 const& )
- {
- return true;
- }
- };
- template
- <
- typename Box1,
- typename Box2,
- typename SubStrategy = box_within_range
- >
- struct box_in_box
- {
- static inline bool apply(Box1 const& box1, Box2 const& box2)
- {
- return relate_box_box_loop
- <
- SubStrategy,
- Box1, Box2, 0, dimension<Box1>::type::value
- >::apply(box1, box2);
- }
- };
- } // namespace within
- #ifndef DOXYGEN_NO_STRATEGY_SPECIALIZATIONS
- namespace within { namespace services
- {
- template <typename BoxContained, typename BoxContaining>
- struct default_strategy
- <
- box_tag, box_tag,
- box_tag, areal_tag,
- cartesian_tag, cartesian_tag,
- BoxContained, BoxContaining
- >
- {
- typedef within::box_in_box<BoxContained, BoxContaining> type;
- };
- }} // namespace within::services
- namespace covered_by { namespace services
- {
- template <typename BoxContained, typename BoxContaining>
- struct default_strategy
- <
- box_tag, box_tag,
- box_tag, areal_tag,
- cartesian_tag, cartesian_tag,
- BoxContained, BoxContaining
- >
- {
- typedef within::box_in_box
- <
- BoxContained, BoxContaining,
- within::box_covered_by_range
- > type;
- };
- }} // namespace covered_by::services
- #endif // DOXYGEN_NO_STRATEGY_SPECIALIZATIONS
- }}} // namespace boost::geometry::strategy
- #endif // BOOST_GEOMETRY_STRATEGIES_CARTESIAN_BOX_IN_BOX_HPP
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