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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 | ||
18 | namespace boost { | |
19 | namespace polygon { | |
20 | ||
21 | template <typename T> | |
22 | class 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 | ||
111 | template <typename CType> | |
112 | struct geometry_concept< interval_data<CType> > { | |
113 | typedef interval_concept type; | |
114 | }; | |
115 | } // polygon | |
116 | } // boost | |
117 | ||
118 | #endif // BOOST_POLYGON_INTERVAL_DATA_HPP |