/usr/include/boost/geometry/algorithms/detail/relation
Edit: /usr/include/boost/geometry/algorithms/detail/relation/interface.hpp (6857B)
// Boost.Geometry (aka GGL, Generic Geometry Library)
// Copyright (c) 2007-2015 Barend Gehrels, Amsterdam, the Netherlands.
// This file was modified by Oracle on 2013, 2014, 2015, 2017.
// Modifications copyright (c) 2013-2017 Oracle and/or its affiliates.
// Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
// 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_DETAIL_RELATION_INTERFACE_HPP
#define BOOST_GEOMETRY_ALGORITHMS_DETAIL_RELATION_INTERFACE_HPP
#include
namespace boost { namespace geometry
{
#ifndef DOXYGEN_NO_DETAIL
namespace detail { namespace relate
{
template
struct result_handler_type
{
typedef matrix_handler type;
};
}} // namespace detail::relate
#endif // DOXYGEN_NO_DETAIL
namespace resolve_variant
{
template
struct relation
{
template
static inline Matrix apply(Geometry1 const& geometry1,
Geometry2 const& geometry2,
Strategy const& strategy)
{
concepts::check();
concepts::check();
assert_dimension_equal();
typename detail::relate::result_handler_type
<
Geometry1,
Geometry2,
Matrix
>::type handler;
resolve_strategy::relate::apply(geometry1, geometry2, handler, strategy);
return handler.result();
}
};
template
struct relation, Geometry2>
{
template
struct visitor : boost::static_visitor
{
Geometry2 const& m_geometry2;
Strategy const& m_strategy;
visitor(Geometry2 const& geometry2, Strategy const& strategy)
: m_geometry2(geometry2), m_strategy(strategy) {}
template
Matrix operator()(Geometry1 const& geometry1) const
{
return relation
::template apply(geometry1, m_geometry2, m_strategy);
}
};
template
static inline Matrix
apply(boost::variant const& geometry1,
Geometry2 const& geometry2,
Strategy const& strategy)
{
return boost::apply_visitor(visitor(geometry2, strategy), geometry1);
}
};
template
struct relation >
{
template
struct visitor : boost::static_visitor
{
Geometry1 const& m_geometry1;
Strategy const& m_strategy;
visitor(Geometry1 const& geometry1, Strategy const& strategy)
: m_geometry1(geometry1), m_strategy(strategy) {}
template
Matrix operator()(Geometry2 const& geometry2) const
{
return relation
::template apply(m_geometry1, geometry2, m_strategy);
}
};
template
static inline Matrix
apply(Geometry1 const& geometry1,
boost::variant const& geometry2,
Strategy const& strategy)
{
return boost::apply_visitor(visitor(geometry1, strategy), geometry2);
}
};
template
<
BOOST_VARIANT_ENUM_PARAMS(typename T1),
BOOST_VARIANT_ENUM_PARAMS(typename T2)
>
struct relation
<
boost::variant,
boost::variant
>
{
template
struct visitor : boost::static_visitor
{
Strategy const& m_strategy;
visitor(Strategy const& strategy)
: m_strategy(strategy) {}
template
Matrix operator()(Geometry1 const& geometry1,
Geometry2 const& geometry2) const
{
return relation
::template apply(geometry1, geometry2, m_strategy);
}
};
template
static inline Matrix
apply(boost::variant const& geometry1,
boost::variant const& geometry2,
Strategy const& strategy)
{
return boost::apply_visitor(visitor(strategy), geometry1, geometry2);
}
};
} // namespace resolve_variant
/*!
\brief Calculates the relation between a pair of geometries as defined in DE-9IM.
\ingroup relation
\tparam Geometry1 \tparam_geometry
\tparam Geometry2 \tparam_geometry
\tparam Strategy \tparam_strategy{Relation}
\param geometry1 \param_geometry
\param geometry2 \param_geometry
\param strategy \param_strategy{relation}
\return The DE-9IM matrix expressing the relation between geometries.
\qbk{distinguish,with strategy}
\qbk{[include reference/algorithms/relation.qbk]}
*/
template
inline de9im::matrix relation(Geometry1 const& geometry1,
Geometry2 const& geometry2,
Strategy const& strategy)
{
return resolve_variant::relation
<
Geometry1,
Geometry2
>::template apply(geometry1, geometry2, strategy);
}
/*!
\brief Calculates the relation between a pair of geometries as defined in DE-9IM.
\ingroup relation
\tparam Geometry1 \tparam_geometry
\tparam Geometry2 \tparam_geometry
\param geometry1 \param_geometry
\param geometry2 \param_geometry
\return The DE-9IM matrix expressing the relation between geometries.
\qbk{[include reference/algorithms/relation.qbk]}
*/
template
inline de9im::matrix relation(Geometry1 const& geometry1,
Geometry2 const& geometry2)
{
return resolve_variant::relation
<
Geometry1,
Geometry2
>::template apply(geometry1, geometry2, default_strategy());
}
}} // namespace boost::geometry
#endif // BOOST_GEOMETRY_ALGORITHMS_DETAIL_RELATE_INTERFACE_HPP