126 lines
3.3 KiB
C++
126 lines
3.3 KiB
C++
|
// 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) 2014-2015 Samuel Debionne, Grenoble, France.
|
||
|
|
|
||
|
|
// This file was modified by Oracle on 2015-2018.
|
||
|
|
// Modifications copyright (c) 2015-2018, 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
|
||
|
|
|
||
|
|
// Parts of Boost.Geometry are redesigned from Geodan's Geographic Library
|
||
|
|
// (geolib/GGL), copyright (c) 1995-2010 Geodan, Amsterdam, the Netherlands.
|
||
|
|
|
||
|
|
// 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_EXPAND_POINT_HPP
|
||
|
|
#define BOOST_GEOMETRY_STRATEGY_CARTESIAN_EXPAND_POINT_HPP
|
||
|
|
|
||
|
|
#include <cstddef>
|
||
|
|
#include <functional>
|
||
|
|
|
||
|
|
#include <boost/geometry/core/access.hpp>
|
||
|
|
#include <boost/geometry/core/coordinate_dimension.hpp>
|
||
|
|
#include <boost/geometry/core/coordinate_system.hpp>
|
||
|
|
#include <boost/geometry/core/coordinate_type.hpp>
|
||
|
|
#include <boost/geometry/core/tags.hpp>
|
||
|
|
|
||
|
|
#include <boost/geometry/util/select_coordinate_type.hpp>
|
||
|
|
|
||
|
|
#include <boost/geometry/strategy/expand.hpp>
|
||
|
|
|
||
|
|
namespace boost { namespace geometry
|
||
|
|
{
|
||
|
|
|
||
|
|
namespace strategy { namespace expand
|
||
|
|
{
|
||
|
|
|
||
|
|
#ifndef DOXYGEN_NO_DETAIL
|
||
|
|
namespace detail
|
||
|
|
{
|
||
|
|
|
||
|
|
template <std::size_t Dimension, std::size_t DimensionCount>
|
||
|
|
struct point_loop
|
||
|
|
{
|
||
|
|
template <typename Box, typename Point>
|
||
|
|
static inline void apply(Box& box, Point const& source)
|
||
|
|
{
|
||
|
|
typedef typename select_coordinate_type
|
||
|
|
<
|
||
|
|
Point, Box
|
||
|
|
>::type coordinate_type;
|
||
|
|
|
||
|
|
std::less<coordinate_type> less;
|
||
|
|
std::greater<coordinate_type> greater;
|
||
|
|
|
||
|
|
coordinate_type const coord = get<Dimension>(source);
|
||
|
|
|
||
|
|
if (less(coord, get<min_corner, Dimension>(box)))
|
||
|
|
{
|
||
|
|
set<min_corner, Dimension>(box, coord);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (greater(coord, get<max_corner, Dimension>(box)))
|
||
|
|
{
|
||
|
|
set<max_corner, Dimension>(box, coord);
|
||
|
|
}
|
||
|
|
|
||
|
|
point_loop<Dimension + 1, DimensionCount>::apply(box, source);
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
template <std::size_t DimensionCount>
|
||
|
|
struct point_loop<DimensionCount, DimensionCount>
|
||
|
|
{
|
||
|
|
template <typename Box, typename Point>
|
||
|
|
static inline void apply(Box&, Point const&) {}
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
} // namespace detail
|
||
|
|
#endif // DOXYGEN_NO_DETAIL
|
||
|
|
|
||
|
|
|
||
|
|
struct cartesian_point
|
||
|
|
{
|
||
|
|
template <typename Box, typename Point>
|
||
|
|
static void apply(Box & box, Point const& point)
|
||
|
|
{
|
||
|
|
expand::detail::point_loop
|
||
|
|
<
|
||
|
|
0, dimension<Point>::value
|
||
|
|
>::apply(box, point);
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
#ifndef DOXYGEN_NO_STRATEGY_SPECIALIZATIONS
|
||
|
|
|
||
|
|
namespace services
|
||
|
|
{
|
||
|
|
|
||
|
|
template <typename CalculationType>
|
||
|
|
struct default_strategy<point_tag, cartesian_tag, CalculationType>
|
||
|
|
{
|
||
|
|
typedef cartesian_point type;
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
} // namespace services
|
||
|
|
|
||
|
|
#endif // DOXYGEN_NO_STRATEGY_SPECIALIZATIONS
|
||
|
|
|
||
|
|
|
||
|
|
}} // namespace strategy::expand
|
||
|
|
|
||
|
|
}} // namespace boost::geometry
|
||
|
|
|
||
|
|
#endif // BOOST_GEOMETRY_STRATEGY_CARTESIAN_EXPAND_POINT_HPP
|