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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_POINT_IN_BOX_HPP
#define BOOST_GEOMETRY_STRATEGIES_CARTESIAN_POINT_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 within_range
{
template <typename Value1, typename Value2>
static inline bool apply(Value1 const& value, Value2 const& min_value, Value2 const& max_value)
{
return value > min_value && value < max_value;
}
};
struct covered_by_range
{
template <typename Value1, typename Value2>
static inline bool apply(Value1 const& value, Value2 const& min_value, Value2 const& max_value)
{
return value >= min_value && value <= max_value;
}
};
template
<
typename SubStrategy,
typename Point,
typename Box,
std::size_t Dimension,
std::size_t DimensionCount
>
struct relate_point_box_loop
{
static inline bool apply(Point const& point, Box const& box)
{
if (! SubStrategy::apply(get<Dimension>(point),
get<min_corner, Dimension>(box),
get<max_corner, Dimension>(box))
)
{
return false;
}
return relate_point_box_loop
<
SubStrategy,
Point, Box,
Dimension + 1, DimensionCount
>::apply(point, box);
}
};
template
<
typename SubStrategy,
typename Point,
typename Box,
std::size_t DimensionCount
>
struct relate_point_box_loop<SubStrategy, Point, Box, DimensionCount, DimensionCount>
{
static inline bool apply(Point const& , Box const& )
{
return true;
}
};
template
<
typename Point,
typename Box,
typename SubStrategy = within_range
>
struct point_in_box
{
static inline bool apply(Point const& point, Box const& box)
{
return relate_point_box_loop
<
SubStrategy,
Point, Box,
0, dimension<Point>::type::value
>::apply(point, box);
}
};
} // namespace within
#ifndef DOXYGEN_NO_STRATEGY_SPECIALIZATIONS
namespace within { namespace services
{
template <typename Point, typename Box>
struct default_strategy
<
point_tag, box_tag,
point_tag, areal_tag,
cartesian_tag, cartesian_tag,
Point, Box
>
{
typedef within::point_in_box<Point, Box> type;
};
}} // namespace within::services
namespace covered_by { namespace services
{
template <typename Point, typename Box>
struct default_strategy
<
point_tag, box_tag,
point_tag, areal_tag,
cartesian_tag, cartesian_tag,
Point, Box
>
{
typedef within::point_in_box
<
Point, Box,
within::covered_by_range
> type;
};
}} // namespace covered_by::services
#endif // DOXYGEN_NO_STRATEGY_SPECIALIZATIONS
}}} // namespace boost::geometry::strategy
#endif // BOOST_GEOMETRY_STRATEGIES_CARTESIAN_POINT_IN_BOX_HPP
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