/usr/include/boost/geometry/algorithms
Edit: /usr/include/boost/geometry/algorithms/num_interior_rings.hpp (3756B)
// Boost.Geometry (aka GGL, Generic Geometry Library)
// Copyright (c) 2007-2014 Barend Gehrels, Amsterdam, the Netherlands.
// Copyright (c) 2008-2014 Bruno Lalande, Paris, France.
// Copyright (c) 2009-2014 Mateusz Loskot, London, UK.
// This file was modified by Oracle on 2014.
// Modifications copyright (c) 2014, Oracle and/or its affiliates.
// Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
// Contributed and/or modified by Menelaos Karavelas, 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_ALGORITHMS_NUM_INTERIOR_RINGS_HPP
#define BOOST_GEOMETRY_ALGORITHMS_NUM_INTERIOR_RINGS_HPP
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
namespace boost { namespace geometry
{
#ifndef DOXYGEN_NO_DISPATCH
namespace dispatch
{
template ::type>
struct num_interior_rings
: detail::counting::other_count<0>
{};
template
struct num_interior_rings
{
static inline std::size_t apply(Polygon const& polygon)
{
return boost::size(geometry::interior_rings(polygon));
}
};
template
struct num_interior_rings
: detail::counting::multi_count
<
num_interior_rings
<
typename boost::range_value::type
>
>
{};
} // namespace dispatch
#endif // DOXYGEN_NO_DISPATCH
namespace resolve_variant
{
template
struct num_interior_rings
{
static inline std::size_t apply(Geometry const& geometry)
{
concepts::check();
return dispatch::num_interior_rings::apply(geometry);
}
};
template
struct num_interior_rings >
{
struct visitor: boost::static_visitor
{
template
inline std::size_t operator()(Geometry const& geometry) const
{
return num_interior_rings::apply(geometry);
}
};
static inline std::size_t
apply(boost::variant const& geometry)
{
return boost::apply_visitor(visitor(), geometry);
}
};
} // namespace resolve_variant
/*!
\brief \brief_calc{number of interior rings}
\ingroup num_interior_rings
\details \details_calc{num_interior_rings, number of interior rings}.
\tparam Geometry \tparam_geometry
\param geometry \param_geometry
\return \return_calc{number of interior rings}
\qbk{[include reference/algorithms/num_interior_rings.qbk]}
\note Defined by OGC as "numInteriorRing". To be consistent with "numPoints"
letter "s" is appended
*/
template
inline std::size_t num_interior_rings(Geometry const& geometry)
{
return resolve_variant::num_interior_rings::apply(geometry);
}
}} // namespace boost::geometry
#endif // BOOST_GEOMETRY_ALGORITHMS_NUM_INTERIOR_RINGS_HPP