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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) 2013-2015 Adam Wulkiewicz, Lodz, Poland.
// This file was modified by Oracle on 2015.
// Modifications copyright (c) 2015, 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_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 bing_min <= bed_min && bed_max <= bing_max // contained in containing
&& bed_min < bed_max; // interiors overlap
}
};
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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