/usr/include/boost/geometry/algorithms/detail
Edit: /usr/include/boost/geometry/algorithms/detail/recalculate.hpp (6905B)
// Boost.Geometry (aka GGL, Generic Geometry Library)
// Copyright (c) 2013 Barend Gehrels, Amsterdam, the Netherlands.
// Copyright (c) 2013 Bruno Lalande, Paris, France.
// Copyright (c) 2013 Mateusz Loskot, London, UK.
// Copyright (c) 2013 Adam Wulkiewicz, Lodz, Poland.
// 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_RECALCULATE_HPP
#define BOOST_GEOMETRY_ALGORITHMS_DETAIL_RECALCULATE_HPP
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
namespace boost { namespace geometry
{
#ifndef DOXYGEN_NO_DETAIL
namespace detail { namespace recalculate
{
template
struct recalculate_point
{
template
static inline void apply(Point1& point1, Point2 const& point2, Strategy const& strategy)
{
std::size_t const dim = Dimension - 1;
geometry::set(point1, strategy.template apply(geometry::get(point2)));
recalculate_point::apply(point1, point2, strategy);
}
};
template <>
struct recalculate_point<0>
{
template
static inline void apply(Point1&, Point2 const&, Strategy const&)
{
}
};
template
struct recalculate_indexed
{
template
static inline void apply(Geometry1& geometry1, Geometry2 const& geometry2, Strategy const& strategy)
{
// Do it for both indices in one dimension
static std::size_t const dim = Dimension - 1;
geometry::set<0, dim>(geometry1, strategy.template apply(geometry::get<0, dim>(geometry2)));
geometry::set<1, dim>(geometry1, strategy.template apply(geometry::get<1, dim>(geometry2)));
recalculate_indexed::apply(geometry1, geometry2, strategy);
}
};
template <>
struct recalculate_indexed<0>
{
template
static inline void apply(Geometry1& , Geometry2 const& , Strategy const& )
{
}
};
struct range_to_range
{
template
<
typename Range1,
typename Range2,
typename Strategy
>
static inline void apply(Range1& destination, Range2 const& source,
Strategy const& strategy)
{
typedef typename geometry::point_type::type point_type;
typedef recalculate_point::value> per_point;
geometry::clear(destination);
for (typename boost::range_iterator::type it
= boost::begin(source);
it != boost::end(source);
++it)
{
point_type p;
per_point::apply(p, *it, strategy);
geometry::append(destination, p);
}
}
};
struct polygon_to_polygon
{
private:
template
<
typename IteratorIn,
typename IteratorOut,
typename Strategy
>
static inline void iterate(IteratorIn begin, IteratorIn end,
IteratorOut it_out,
Strategy const& strategy)
{
for (IteratorIn it_in = begin; it_in != end; ++it_in, ++it_out)
{
range_to_range::apply(*it_out, *it_in, strategy);
}
}
template
<
typename InteriorRingsOut,
typename InteriorRingsIn,
typename Strategy
>
static inline void apply_interior_rings(
InteriorRingsOut& interior_rings_out,
InteriorRingsIn const& interior_rings_in,
Strategy const& strategy)
{
traits::resize::apply(interior_rings_out,
boost::size(interior_rings_in));
iterate(
boost::begin(interior_rings_in), boost::end(interior_rings_in),
boost::begin(interior_rings_out),
strategy);
}
public:
template
<
typename Polygon1,
typename Polygon2,
typename Strategy
>
static inline void apply(Polygon1& destination, Polygon2 const& source,
Strategy const& strategy)
{
range_to_range::apply(geometry::exterior_ring(destination),
geometry::exterior_ring(source), strategy);
apply_interior_rings(geometry::interior_rings(destination),
geometry::interior_rings(source), strategy);
}
};
}} // namespace detail::recalculate
#endif // DOXYGEN_NO_DETAIL
#ifndef DOXYGEN_NO_DISPATCH
namespace dispatch
{
template
<
typename Geometry1,
typename Geometry2,
typename Tag1 = typename geometry::tag::type,
typename Tag2 = typename geometry::tag::type
>
struct recalculate : not_implemented
{};
template
struct recalculate
: detail::recalculate::recalculate_point::value>
{};
template
struct recalculate
: detail::recalculate::recalculate_indexed::value>
{};
template
struct recalculate
: detail::recalculate::recalculate_indexed::value>
{};
template
struct recalculate
: detail::recalculate::polygon_to_polygon
{};
} // namespace dispatch
#endif // DOXYGEN_NO_DISPATCH
template
inline void recalculate(Geometry1& geometry1, Geometry2 const& geometry2, Strategy const& strategy)
{
concepts::check();
concepts::check();
// static assert dimensions (/types) are the same
dispatch::recalculate::apply(geometry1, geometry2, strategy);
}
}} // namespace boost::geometry
#endif // BOOST_GEOMETRY_ALGORITHMS_DETAIL_RECALCULATE_HPP