1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
|
// Boost.Geometry (aka GGL, Generic Geometry Library)
// Copyright (c) 2007-2012 Barend Gehrels, Amsterdam, the Netherlands.
// Copyright (c) 2008-2012 Bruno Lalande, Paris, France.
// Copyright (c) 2009-2012 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
|
