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point.h
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1 /*
2  * Copyright © 2012 Canonical Ltd.
3  *
4  * This program is free software: you can redistribute it and/or modify it
5  * under the terms of the GNU Lesser General Public License version 3,
6  * as published by the Free Software Foundation.
7  *
8  * This program is distributed in the hope that it will be useful,
9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11  * GNU Lesser General Public License for more details.
12  *
13  * You should have received a copy of the GNU Lesser General Public License
14  * along with this program. If not, see <http://www.gnu.org/licenses/>.
15  *
16  * Authored by: Alexandros Frantzis <alexandros.frantzis@canonical.com>
17  */
18 
19 #ifndef MIR_GEOMETRY_POINT_H_
20 #define MIR_GEOMETRY_POINT_H_
21 
22 #include "dimensions.h"
23 #include <iosfwd>
24 
25 namespace mir
26 {
27 namespace geometry
28 {
29 
30 struct Point
31 {
32  Point() = default;
33  Point(Point const&) = default;
34  Point& operator=(Point const&) = default;
35 
36  template<typename XType, typename YType>
37  Point(XType&& x, YType&& y) : x(x), y(y) {}
38 
39  X x;
40  Y y;
41 };
42 
43 inline bool operator == (Point const& lhs, Point const& rhs)
44 {
45  return lhs.x == rhs.x && lhs.y == rhs.y;
46 }
47 
48 inline bool operator != (Point const& lhs, Point const& rhs)
49 {
50  return lhs.x != rhs.x || lhs.y != rhs.y;
51 }
52 
53 inline Point operator+(Point lhs, DeltaX rhs) { return{lhs.x + rhs, lhs.y}; }
54 inline Point operator+(Point lhs, DeltaY rhs) { return{lhs.x, lhs.y + rhs}; }
55 
56 std::ostream& operator<<(std::ostream& out, Point const& value);
57 }
58 }
59 
60 #endif /* MIR_GEOMETRY_POINT_H_ */
All things Mir.
Definition: aging_buffer.h:24
X x
Definition: point.h:39
Definition: point.h:30
Y y
Definition: point.h:40
Displacement operator+(Displacement const &lhs, Displacement const &rhs)
Definition: displacement.h:62
bool operator!=(Displacement const &lhs, Displacement const &rhs)
Definition: displacement.h:55
Point & operator=(Point const &)=default
bool operator==(Displacement const &lhs, Displacement const &rhs)
Definition: displacement.h:50
Point(XType &&x, YType &&y)
Definition: point.h:37
detail::IntWrapper< detail::dy > DeltaY
Definition: dimensions.h:116
std::ostream & operator<<(std::ostream &out, Displacement const &value)
Definition: ostream.cpp:29

Copyright © 2012,2013 Canonical Ltd.
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