geometry/test/test_geometries/custom_lon_lat_point.hpp

134 lines
3.6 KiB
C++

// Boost.Geometry (aka GGL, Generic Geometry Library)
// Unit Test
// Copyright (c) 2014, Oracle and/or its affiliates.
// Contributed and/or modified by Menelaos Karavelas, on behalf of Oracle
// Licensed under the Boost Software License version 1.0.
// http://www.boost.org/users/license.html
#ifndef BOOST_GEOMETRY_TEST_TEST_GEOMETRIES_CUSTOM_LON_LAT_POINT_HPP
#define BOOST_GEOMETRY_TEST_TEST_GEOMETRIES_CUSTOM_LON_LAT_POINT_HPP
#include <boost/mpl/int.hpp>
#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/tag.hpp>
#include <boost/geometry/core/tags.hpp>
// read/write longitude/latitude point
template <typename CoordinateType, typename CoordinateSystem>
struct rw_lon_lat_point
{
CoordinateType longitude, latitude;
};
namespace boost { namespace geometry { namespace traits
{
template <typename CoordinateType, typename CoordinateSystem>
struct tag<rw_lon_lat_point<CoordinateType, CoordinateSystem> >
{
typedef point_tag type;
};
template <typename CoordinateType, typename CoordinateSystem>
struct coordinate_type<rw_lon_lat_point<CoordinateType, CoordinateSystem> >
{
typedef CoordinateType type;
};
template <typename CoordinateType, typename CoordinateSystem>
struct coordinate_system<rw_lon_lat_point<CoordinateType, CoordinateSystem> >
{
typedef CoordinateSystem type;
};
template <typename CoordinateType, typename CoordinateSystem>
struct dimension<rw_lon_lat_point<CoordinateType, CoordinateSystem> >
: boost::mpl::int_<2>
{};
template
<
typename CoordinateType,
typename CoordinateSystem,
std::size_t Dimension
>
struct access<rw_lon_lat_point<CoordinateType, CoordinateSystem>, Dimension>
{
static inline CoordinateType
get(rw_lon_lat_point<CoordinateType, CoordinateSystem> const& p)
{
return (Dimension == 0) ? p.longitude : p.latitude;
}
static inline
void set(rw_lon_lat_point<CoordinateType, CoordinateSystem>& p,
CoordinateType const& value)
{
( Dimension == 0 ? p.longitude : p.latitude ) = value;
}
};
}}} // namespace boost::geometry::traits
// read-only longitude/latitude point
template <typename CoordinateType, typename CoordinateSystem>
struct ro_lon_lat_point
{
CoordinateType longitude, latitude;
};
namespace boost { namespace geometry { namespace traits
{
template <typename CoordinateType, typename CoordinateSystem>
struct tag<ro_lon_lat_point<CoordinateType, CoordinateSystem> >
{
typedef point_tag type;
};
template <typename CoordinateType, typename CoordinateSystem>
struct coordinate_type<ro_lon_lat_point<CoordinateType, CoordinateSystem> >
{
typedef CoordinateType type;
};
template <typename CoordinateType, typename CoordinateSystem>
struct coordinate_system<ro_lon_lat_point<CoordinateType, CoordinateSystem> >
{
typedef CoordinateSystem type;
};
template <typename CoordinateType, typename CoordinateSystem>
struct dimension<ro_lon_lat_point<CoordinateType, CoordinateSystem> >
: boost::mpl::int_<2>
{};
template
<
typename CoordinateType,
typename CoordinateSystem,
std::size_t Dimension
>
struct access<ro_lon_lat_point<CoordinateType, CoordinateSystem>, Dimension>
{
static inline CoordinateType
get(ro_lon_lat_point<CoordinateType, CoordinateSystem> const& p)
{
return (Dimension == 0) ? p.longitude : p.latitude;
}
};
}}} // namespace boost::geometry::traits
#endif // BOOST_GEOMETRY_TEST_TEST_GEOMETRIES_CUSTOM_LON_LAT_POINT_HPP