You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and dots ('.'), can be up to 35 characters long. Letters must be lowercase.
102 lines
2.8 KiB
102 lines
2.8 KiB
// Boost.Geometry (aka GGL, Generic Geometry Library) |
|
|
|
// Copyright (c) 2007-2011 Barend Gehrels, Amsterdam, the Netherlands. |
|
// Copyright (c) 2008-2011 Bruno Lalande, Paris, France. |
|
// Copyright (c) 2009-2011 Mateusz Loskot, London, UK. |
|
|
|
// 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_MULTI_ALGORITHMS_TRANSFORM_HPP |
|
#define BOOST_GEOMETRY_MULTI_ALGORITHMS_TRANSFORM_HPP |
|
|
|
#include <boost/range.hpp> |
|
|
|
#include <boost/geometry/core/mutable_range.hpp> |
|
#include <boost/geometry/algorithms/transform.hpp> |
|
|
|
#include <boost/geometry/multi/core/tags.hpp> |
|
|
|
namespace boost { namespace geometry |
|
{ |
|
|
|
#ifndef DOXYGEN_NO_DETAIL |
|
namespace detail { namespace transform |
|
{ |
|
|
|
/*! |
|
\brief Is able to transform any multi-geometry, calling the single-version as policy |
|
*/ |
|
template <typename Multi1, typename Multi2, typename Policy> |
|
struct transform_multi |
|
{ |
|
template <typename S> |
|
static inline bool apply(Multi1 const& multi1, Multi2& multi2, S const& strategy) |
|
{ |
|
traits::resize<Multi2>::apply(multi2, boost::size(multi1)); |
|
|
|
typename boost::range_iterator<Multi1 const>::type it1 |
|
= boost::begin(multi1); |
|
typename boost::range_iterator<Multi2>::type it2 |
|
= boost::begin(multi2); |
|
|
|
for (; it1 != boost::end(multi1); ++it1, ++it2) |
|
{ |
|
if (! Policy::apply(*it1, *it2, strategy)) |
|
{ |
|
return false; |
|
} |
|
} |
|
|
|
return true; |
|
} |
|
}; |
|
|
|
|
|
}} // namespace detail::transform |
|
#endif // DOXYGEN_NO_DETAIL |
|
|
|
|
|
#ifndef DOXYGEN_NO_DISPATCH |
|
namespace dispatch |
|
{ |
|
|
|
template <typename Multi1, typename Multi2, typename Strategy> |
|
struct transform |
|
< |
|
multi_tag, multi_tag, |
|
Multi1, Multi2, |
|
Strategy |
|
> |
|
: detail::transform::transform_multi |
|
< |
|
Multi1, |
|
Multi2, |
|
transform |
|
< |
|
typename single_tag_of |
|
< |
|
typename tag<Multi1>::type |
|
>::type, |
|
typename single_tag_of |
|
< |
|
typename tag<Multi2>::type |
|
>::type, |
|
typename boost::range_value<Multi1>::type, |
|
typename boost::range_value<Multi2>::type, |
|
Strategy |
|
> |
|
> |
|
{}; |
|
|
|
} // namespace dispatch |
|
#endif // DOXYGEN_NO_DISPATCH |
|
|
|
|
|
}} // namespace boost::geometry |
|
|
|
#endif // BOOST_GEOMETRY_MULTI_ALGORITHMS_TRANSFORM_HPP
|
|
|