1// Boost.Polygon library interval_data.hpp header file
2
3// Copyright (c) Intel Corporation 2008.
4// Copyright (c) 2008-2012 Simonson Lucanus.
5// Copyright (c) 2012-2012 Andrii Sydorchuk.
6
7// See http://www.boost.org for updates, documentation, and revision history.
8// Use, modification and distribution is subject to the Boost Software License,
9// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
10// http://www.boost.org/LICENSE_1_0.txt)
11
12#ifndef BOOST_POLYGON_INTERVAL_DATA_HPP
13#define BOOST_POLYGON_INTERVAL_DATA_HPP
14
15#include "isotropy.hpp"
16#include "interval_concept.hpp"
17
18namespace boost {
19namespace polygon {
20
21template <typename T>
22class interval_data {
23 public:
24 typedef T coordinate_type;
25
26 interval_data()
27#ifndef BOOST_POLYGON_MSVC
28 : coords_()
29#endif
30 {}
31
32 interval_data(coordinate_type low, coordinate_type high) {
33 coords_[LOW] = low;
34 coords_[HIGH] = high;
35 }
36
37 interval_data(const interval_data& that) {
38 coords_[0] = that.coords_[0];
39 coords_[1] = that.coords_[1];
40 }
41
42 interval_data& operator=(const interval_data& that) {
43 coords_[0] = that.coords_[0];
44 coords_[1] = that.coords_[1];
45 return *this;
46 }
47
48 template <typename IntervalType>
49 interval_data& operator=(const IntervalType& that) {
50 assign(*this, that);
51 return *this;
52 }
53
54 coordinate_type get(direction_1d dir) const {
55 return coords_[dir.to_int()];
56 }
57
58 void set(direction_1d dir, coordinate_type value) {
59 coords_[dir.to_int()] = value;
60 }
61
62 coordinate_type low() const {
63 return coords_[0];
64 }
65
66 interval_data& low(coordinate_type value) {
67 coords_[LOW] = value;
68 return *this;
69 }
70
71 coordinate_type high() const {
72 return coords_[1];
73 }
74
75 interval_data& high(coordinate_type value) {
76 coords_[HIGH] = value;
77 return *this;
78 }
79
80 bool operator==(const interval_data& that) const {
81 return low() == that.low() && high() == that.high();
82 }
83
84 bool operator!=(const interval_data& that) const {
85 return low() != that.low() || high() != that.high();
86 }
87
88 bool operator<(const interval_data& that) const {
89 if (coords_[0] != that.coords_[0]) {
90 return coords_[0] < that.coords_[0];
91 }
92 return coords_[1] < that.coords_[1];
93 }
94
95 bool operator<=(const interval_data& that) const {
96 return !(that < *this);
97 }
98
99 bool operator>(const interval_data& that) const {
100 return that < *this;
101 }
102
103 bool operator>=(const interval_data& that) const {
104 return !((*this) < that);
105 }
106
107 private:
108 coordinate_type coords_[2];
109};
110
111template <typename CType>
112struct geometry_concept< interval_data<CType> > {
113 typedef interval_concept type;
114};
115} // polygon
116} // boost
117
118#endif // BOOST_POLYGON_INTERVAL_DATA_HPP
119

source code of boost/boost/polygon/interval_data.hpp