blob: 363ec465a4d7d3f069eaaaf02cad91fefe355c22 (
plain)
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
|
// Boost.Geometry (aka GGL, Generic Geometry Library)
// Copyright (c) 2014, Oracle and/or its affiliates.
// Contributed and/or modified by Menelaos Karavelas, on behalf of Oracle
// Licensed under the Boost Software License version 1.0.
// http://www.boost.org/users/license.html
#ifndef BOOST_GEOMETRY_ALGORITHS_DETAIL_DISTANCE_ITERATOR_SELECTOR_HPP
#define BOOST_GEOMETRY_ALGORITHS_DETAIL_DISTANCE_ITERATOR_SELECTOR_HPP
#include <boost/geometry/core/tag.hpp>
#include <boost/geometry/core/tags.hpp>
#include <boost/geometry/iterators/point_iterator.hpp>
#include <boost/geometry/iterators/segment_iterator.hpp>
namespace boost { namespace geometry
{
#ifndef DOXYGEN_NO_DETAIL
namespace detail { namespace distance
{
// class to choose between point_iterator and segment_iterator
template <typename Geometry, typename Tag = typename tag<Geometry>::type>
struct iterator_selector
{
typedef geometry::segment_iterator<Geometry> iterator_type;
static inline iterator_type begin(Geometry& geometry)
{
return segments_begin(geometry);
}
static inline iterator_type end(Geometry& geometry)
{
return segments_end(geometry);
}
};
template <typename MultiPoint>
struct iterator_selector<MultiPoint, multi_point_tag>
{
typedef geometry::point_iterator<MultiPoint> iterator_type;
static inline iterator_type begin(MultiPoint& multipoint)
{
return points_begin(multipoint);
}
static inline iterator_type end(MultiPoint& multipoint)
{
return points_end(multipoint);
}
};
}} // namespace detail::distance
#endif // DOXYGEN_NO_DETAIL
}} // namespace boost::geometry
#endif // BOOST_GEOMETRY_ALGORITHS_DETAIL_DISTANCE_ITERATOR_SELECTOR_HPP
|