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
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
|
// Boost.Geometry (aka GGL, Generic Geometry Library)
// Copyright (c) 2018-2021 Oracle and/or its affiliates.
// Contributed and/or modified by Vissarion Fisikopoulos, on behalf of Oracle
// 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_STRATEGIES_CARTESIAN_DISTANCE_SEGMENT_BOX_HPP
#define BOOST_GEOMETRY_STRATEGIES_CARTESIAN_DISTANCE_SEGMENT_BOX_HPP
#include <boost/geometry/algorithms/detail/distance/segment_to_box.hpp>
#include <boost/geometry/strategies/cartesian/distance_projected_point.hpp>
#include <boost/geometry/strategies/cartesian/distance_pythagoras.hpp>
#include <boost/geometry/strategies/cartesian/distance_pythagoras_point_box.hpp>
#include <boost/geometry/strategies/cartesian/point_in_point.hpp>
#include <boost/geometry/strategies/cartesian/side_by_triangle.hpp>
namespace boost { namespace geometry
{
namespace strategy { namespace distance
{
template
<
typename CalculationType = void,
typename Strategy = pythagoras<CalculationType>
>
struct cartesian_segment_box
{
template <typename PointOfSegment, typename PointOfBox>
struct calculation_type
: promote_floating_point
<
typename strategy::distance::services::return_type
<
Strategy,
PointOfSegment,
PointOfBox
>::type
>
{};
typedef cartesian_tag cs_tag;
template
<
typename LessEqual, typename ReturnType,
typename SegmentPoint, typename BoxPoint,
typename Strategies
>
inline ReturnType segment_below_of_box(SegmentPoint const& p0,
SegmentPoint const& p1,
BoxPoint const&,
BoxPoint const&,
BoxPoint const&,
BoxPoint const& bottom_right,
Strategies const& strategies) const
{
// TODO: The strategy should not call the algorithm like that
return geometry::detail::distance::segment_to_box_2D
<
ReturnType,
SegmentPoint,
BoxPoint,
Strategies
>::template call_above_of_box
<
typename LessEqual::other
>(p1, p0, bottom_right, strategies);
}
template <typename SPoint, typename BPoint>
static void mirror(SPoint&,
SPoint&,
BPoint&,
BPoint&,
BPoint&,
BPoint&)
{}
};
#ifndef DOXYGEN_NO_STRATEGY_SPECIALIZATIONS
namespace services
{
template <typename CalculationType, typename Strategy>
struct tag<cartesian_segment_box<CalculationType, Strategy> >
{
typedef strategy_tag_distance_segment_box type;
};
template <typename CalculationType, typename Strategy, typename PS, typename PB>
struct return_type<cartesian_segment_box<CalculationType, Strategy>, PS, PB>
: cartesian_segment_box<CalculationType, Strategy>::template calculation_type<PS, PB>
{};
template <typename CalculationType, typename Strategy>
struct comparable_type<cartesian_segment_box<CalculationType, Strategy> >
{
// Define a cartesian_segment_box strategy with its underlying point-point
// strategy being comparable
typedef cartesian_segment_box
<
CalculationType,
typename comparable_type<Strategy>::type
> type;
};
template <typename CalculationType, typename Strategy>
struct get_comparable<cartesian_segment_box<CalculationType, Strategy> >
{
typedef typename comparable_type
<
cartesian_segment_box<CalculationType, Strategy>
>::type comparable_type;
public :
static inline comparable_type apply(cartesian_segment_box<CalculationType, Strategy> const& )
{
return comparable_type();
}
};
template <typename CalculationType, typename Strategy, typename PS, typename PB>
struct result_from_distance<cartesian_segment_box<CalculationType, Strategy>, PS, PB>
{
private :
typedef typename return_type<
cartesian_segment_box
<
CalculationType,
Strategy
>,
PS,
PB
>::type return_type;
public :
template <typename T>
static inline return_type apply(cartesian_segment_box<CalculationType,
Strategy> const& ,
T const& value)
{
Strategy s;
return result_from_distance<Strategy, PS, PB>::apply(s, value);
}
};
template <typename Segment, typename Box>
struct default_strategy
<
segment_tag, box_tag, Segment, Box,
cartesian_tag, cartesian_tag
>
{
typedef cartesian_segment_box<> type;
};
template <typename Box, typename Segment>
struct default_strategy
<
box_tag, segment_tag, Box, Segment,
cartesian_tag, cartesian_tag
>
{
typedef typename default_strategy
<
segment_tag, box_tag, Segment, Box,
cartesian_tag, cartesian_tag
>::type type;
};
}
#endif
}} // namespace strategy::distance
}} // namespace boost::geometry
#endif // BOOST_GEOMETRY_STRATEGIES_CARTESIAN_DISTANCE_SEGMENT_BOX_HPP
|
