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
|
/*
* Copyright (C) 2016 Canonical, Ltd.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; version 3.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* Authored by: Thomas Voß <thomas.voss@canonical.com>
*
*/
#ifndef BIOMETRY_GEOMETRY_H_
#define BIOMETRY_GEOMETRY_H_
#include <biometry/visibility.h>
#include <cstdint>
#include <iosfwd>
namespace biometry
{
/// @brief Point models a point in a normalized space [0,1]^2.
struct BIOMETRY_DLL_PUBLIC Point
{
/// @brief Point initializes a new instance with x, y.
/// @ŧhrows std::runtime_error if x or y is not in [0,1].
Point(double x = 0.f, double y = 0.f);
double x;
double y;
};
/// @brief Rectangle models a rectangular region in a 2d space,
/// defined by its top_left (t) and bottom_right (b) corners.
///
/// The origin of the coordinate system is located in the top-left corner
/// extending to the right and downwards.
///
/// o-------------------- [x]
/// |
/// | (t)·····
/// | · ·
/// | · ·
/// | ·····(b)
/// |
///[y]
///
struct BIOMETRY_DLL_PUBLIC Rectangle
{
Point top_left; ///< 2d coordinate of the top-left corner.
Point bottom_right; ///< 2d coordinate of the bottom-right corner.
};
/// @brief operator== returns true if lhs and rhs compare equal component-wise.
BIOMETRY_DLL_PUBLIC bool operator==(const Point&, const Point&);
/// @brief operator== returns true if lhs and rhs compare not equal in any of the components.
BIOMETRY_DLL_PUBLIC bool operator!=(const Point&, const Point&);
/// @brief operator== returns true if lhs and rhs compare equal component-wise.
BIOMETRY_DLL_PUBLIC bool operator==(const Rectangle&, const Rectangle&);
/// @brief operator== returns true if lhs and rhs compare not-equal in any of the components.
BIOMETRY_DLL_PUBLIC bool operator!=(const Rectangle&, const Rectangle&);
/// @brief operator<< inserts point into out.
BIOMETRY_DLL_PUBLIC std::ostream& operator<<(std::ostream& out, const Point& point);
/// @brief operator<< inserts rectangle into out.
BIOMETRY_DLL_PUBLIC std::ostream& operator<<(std::ostream& out, const Rectangle& rectangle);
}
#endif // BIOMETRY_GEOMETRY_H_
|
