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
|
// Copyright (c) 2003-2008 INRIA Sophia-Antipolis (France).
// All rights reserved.
//
// This file is part of CGAL (www.cgal.org).
//
// $URL: https://github.com/CGAL/cgal/blob/v6.1.1/Circular_kernel_2/include/CGAL/Line_arc_2.h $
// $Id: include/CGAL/Line_arc_2.h 08b27d3db14 $
// SPDX-License-Identifier: GPL-3.0-or-later OR LicenseRef-Commercial
//
// Author(s) : Monique Teillaud, Sylvain Pion, Julien Hazebrouck, Pedro Machado
// Partially supported by the IST Programme of the EU as a Shared-cost
// RTD (FET Open) Project under Contract No IST-2000-26473
// (ECG - Effective Computational Geometry for Curves and Surfaces)
// and a STREP (FET Open) Project under Contract No IST-006413
// (ACS -- Algorithms for Complex Shapes)
#ifndef CGAL_LINE_ARC_2_H
#define CGAL_LINE_ARC_2_H
#include <CGAL/license/Circular_kernel_2.h>
#include <CGAL/Bbox_2.h>
namespace CGAL {
template <class CircularKernel>
class Line_arc_2
: public CircularKernel::Kernel_base::Line_arc_2
{
typedef typename CircularKernel::FT FT;
typedef typename CircularKernel::RT RT;
//typedef typename CircularKernel::Linear_kernel::Point_2 Point_2;
typedef typename CircularKernel::Point_2 Point_2;
typedef typename CircularKernel::Line_2 Line_2;
typedef typename CircularKernel::Circle_2 Circle_2;
typedef typename CircularKernel::Circular_arc_point_2 Circular_arc_point_2;
typedef typename CircularKernel::Segment_2 Segment_2;
typedef typename CircularKernel::Kernel_base::Line_arc_2 RLine_arc_2;
public:
typedef RLine_arc_2 Rep;
typedef CircularKernel R;
const Rep& rep() const
{
return *this;
}
Rep& rep()
{
return *this;
}
Line_arc_2()
: RLine_arc_2(typename R::Construct_line_arc_2()())
{}
// Not Documented
Line_arc_2(const Line_2 &support,
const Circle_2 &c1,const bool b1,
const Circle_2 &c2,const bool b2)
: RLine_arc_2(typename R::Construct_line_arc_2()(support, c1, b1, c2, b2))
{}
// Not Documented
Line_arc_2(const Line_2 &support,
const Line_2 &l1,
const Line_2 &l2)
: RLine_arc_2(typename R::Construct_line_arc_2()(support, l1, l2))
{}
Line_arc_2(const Line_2 &support,
const Circular_arc_point_2 &p1,
const Circular_arc_point_2 &p2)
: RLine_arc_2(typename R::Construct_line_arc_2()(support, p1, p2))
{}
Line_arc_2(const Segment_2 &s)
: RLine_arc_2(typename R::Construct_line_arc_2()(s))
{}
Line_arc_2(const Point_2 &p1,
const Point_2 &p2)
: RLine_arc_2(typename R::Construct_line_arc_2()(p1, p2))
{}
Line_arc_2(const RLine_arc_2 &a )
: RLine_arc_2(a)
{}
decltype(auto)
source() const
{
return typename R::Construct_circular_source_vertex_2()(*this);
}
decltype(auto)
target() const
{
return typename R::Construct_circular_target_vertex_2()(*this);
}
decltype(auto)
left() const
{
return typename R::Construct_circular_min_vertex_2()(*this);
}
decltype(auto)
right() const
{
return typename R::Construct_circular_max_vertex_2()(*this);
}
Line_2
supporting_line() const
{
return typename R::Construct_line_2()(*this);
}
bool is_vertical() const
{
return typename R::Is_vertical_2()(*this);
}
Bbox_2 bbox() const
{
return typename R::Construct_bbox_2()(*this);
}
};
template < typename CircularKernel >
inline
bool
operator==(const Line_arc_2<CircularKernel> &p,
const Line_arc_2<CircularKernel> &q)
{
return CircularKernel().equal_2_object()(p, q);
}
template < typename CircularKernel >
inline
bool
operator!=(const Line_arc_2<CircularKernel> &p,
const Line_arc_2<CircularKernel> &q)
{
return ! (p == q);
}
template < typename CK >
std::ostream &
operator<<(std::ostream & os, const Line_arc_2<CK> &a)
{
return os << a.supporting_line() << " "
<< a.source() << " "
<< a.target() << " ";
}
template < typename CK >
std::istream &
operator>>(std::istream & is, Line_arc_2<CK> &a)
{
typename CK::Line_2 l;
typename CK::Circular_arc_point_2 p1;
typename CK::Circular_arc_point_2 p2;
is >> l >> p1 >> p2 ;
if (is)
a = Line_arc_2<CK>(l, p1, p2);
return is;
}
} //namespace CGAL
#endif // CGAL_LINE_ARC_2_H
|
