Chris@16: // Boost.Geometry (aka GGL, Generic Geometry Library)
Chris@16: 
Chris@16: // Copyright (c) 2007-2012 Barend Gehrels, Amsterdam, the Netherlands.
Chris@16: // Copyright (c) 2008-2012 Bruno Lalande, Paris, France.
Chris@16: // Copyright (c) 2009-2012 Mateusz Loskot, London, UK.
Chris@16: 
Chris@16: // Parts of Boost.Geometry are redesigned from Geodan's Geographic Library
Chris@16: // (geolib/GGL), copyright (c) 1995-2010 Geodan, Amsterdam, the Netherlands.
Chris@16: 
Chris@16: // Use, modification and distribution is subject to the Boost Software License,
Chris@16: // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
Chris@16: // http://www.boost.org/LICENSE_1_0.txt)
Chris@16: 
Chris@16: #ifndef BOOST_GEOMETRY_STRATEGIES_CARTESIAN_POINT_IN_BOX_HPP
Chris@16: #define BOOST_GEOMETRY_STRATEGIES_CARTESIAN_POINT_IN_BOX_HPP
Chris@16: 
Chris@16: 
Chris@16: #include <boost/geometry/core/access.hpp>
Chris@16: #include <boost/geometry/core/coordinate_dimension.hpp>
Chris@16: #include <boost/geometry/strategies/covered_by.hpp>
Chris@16: #include <boost/geometry/strategies/within.hpp>
Chris@16: 
Chris@16: 
Chris@101: namespace boost { namespace geometry { namespace strategy
Chris@16: {
Chris@101: 
Chris@16: namespace within
Chris@16: {
Chris@16: 
Chris@16: 
Chris@16: struct within_range
Chris@16: {
Chris@16:     template <typename Value1, typename Value2>
Chris@16:     static inline bool apply(Value1 const& value, Value2 const& min_value, Value2 const& max_value)
Chris@16:     {
Chris@16:         return value > min_value && value < max_value;
Chris@16:     }
Chris@16: };
Chris@16: 
Chris@16: 
Chris@16: struct covered_by_range
Chris@16: {
Chris@16:     template <typename Value1, typename Value2>
Chris@16:     static inline bool apply(Value1 const& value, Value2 const& min_value, Value2 const& max_value)
Chris@16:     {
Chris@16:         return value >= min_value && value <= max_value;
Chris@16:     }
Chris@16: };
Chris@16: 
Chris@16: 
Chris@16: template
Chris@16: <
Chris@16:     typename SubStrategy,
Chris@16:     typename Point,
Chris@16:     typename Box,
Chris@16:     std::size_t Dimension,
Chris@16:     std::size_t DimensionCount
Chris@16: >
Chris@16: struct relate_point_box_loop
Chris@16: {
Chris@16:     static inline bool apply(Point const& point, Box const& box)
Chris@16:     {
Chris@101:         if (! SubStrategy::apply(get<Dimension>(point),
Chris@101:                     get<min_corner, Dimension>(box),
Chris@16:                     get<max_corner, Dimension>(box))
Chris@16:             )
Chris@16:         {
Chris@16:             return false;
Chris@16:         }
Chris@101: 
Chris@16:         return relate_point_box_loop
Chris@16:             <
Chris@16:                 SubStrategy,
Chris@16:                 Point, Box,
Chris@16:                 Dimension + 1, DimensionCount
Chris@16:             >::apply(point, box);
Chris@16:     }
Chris@16: };
Chris@16: 
Chris@16: 
Chris@16: template
Chris@16: <
Chris@16:     typename SubStrategy,
Chris@16:     typename Point,
Chris@16:     typename Box,
Chris@16:     std::size_t DimensionCount
Chris@16: >
Chris@16: struct relate_point_box_loop<SubStrategy, Point, Box, DimensionCount, DimensionCount>
Chris@16: {
Chris@16:     static inline bool apply(Point const& , Box const& )
Chris@16:     {
Chris@16:         return true;
Chris@16:     }
Chris@16: };
Chris@16: 
Chris@16: 
Chris@16: template
Chris@16: <
Chris@16:     typename Point,
Chris@16:     typename Box,
Chris@16:     typename SubStrategy = within_range
Chris@16: >
Chris@16: struct point_in_box
Chris@16: {
Chris@101:     static inline bool apply(Point const& point, Box const& box)
Chris@16:     {
Chris@16:         return relate_point_box_loop
Chris@16:             <
Chris@16:                 SubStrategy,
Chris@101:                 Point, Box,
Chris@16:                 0, dimension<Point>::type::value
Chris@16:             >::apply(point, box);
Chris@16:     }
Chris@16: };
Chris@16: 
Chris@16: 
Chris@16: } // namespace within
Chris@16: 
Chris@16: 
Chris@16: #ifndef DOXYGEN_NO_STRATEGY_SPECIALIZATIONS
Chris@16: 
Chris@16: 
Chris@16: namespace within { namespace services
Chris@16: {
Chris@16: 
Chris@16: template <typename Point, typename Box>
Chris@16: struct default_strategy
Chris@16:     <
Chris@101:         point_tag, box_tag,
Chris@101:         point_tag, areal_tag,
Chris@101:         cartesian_tag, cartesian_tag,
Chris@16:         Point, Box
Chris@16:     >
Chris@16: {
Chris@101:     typedef within::point_in_box<Point, Box> type;
Chris@16: };
Chris@16: 
Chris@16: 
Chris@16: }} // namespace within::services
Chris@16: 
Chris@16: 
Chris@16: namespace covered_by { namespace services
Chris@16: {
Chris@16: 
Chris@16: 
Chris@16: template <typename Point, typename Box>
Chris@16: struct default_strategy
Chris@16:     <
Chris@101:         point_tag, box_tag,
Chris@101:         point_tag, areal_tag,
Chris@101:         cartesian_tag, cartesian_tag,
Chris@16:         Point, Box
Chris@16:     >
Chris@16: {
Chris@16:     typedef within::point_in_box
Chris@16:                 <
Chris@16:                     Point, Box,
Chris@16:                     within::covered_by_range
Chris@16:                 > type;
Chris@16: };
Chris@16: 
Chris@16: 
Chris@16: }} // namespace covered_by::services
Chris@16: 
Chris@16: 
Chris@16: #endif // DOXYGEN_NO_STRATEGY_SPECIALIZATIONS
Chris@16: 
Chris@16: 
Chris@16: }}} // namespace boost::geometry::strategy
Chris@16: 
Chris@16: 
Chris@16: #endif // BOOST_GEOMETRY_STRATEGIES_CARTESIAN_POINT_IN_BOX_HPP