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
184
|
/***********************************************************************
* fpoint.h - Point with an x and y coordinate *
* *
* This file is part of the FINAL CUT widget toolkit *
* *
* Copyright 2014-2023 Markus Gans *
* *
* FINAL CUT 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; either version 3 of *
* the License, or (at your option) any later version. *
* *
* FINAL CUT 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/>. *
***********************************************************************/
/* Standalone class
* ════════════════
*
* ▕▔▔▔▔▔▔▔▔▏
* ▕ FPoint ▏
* ▕▁▁▁▁▁▁▁▁▏
*/
#ifndef FPOINT_H
#define FPOINT_H
#if !defined (USE_FINAL_H) && !defined (COMPILE_FINAL_CUT)
#error "Only <final/final.h> can be included directly."
#endif
#include <iostream>
#include <utility>
#include "final/util/fstring.h"
namespace finalcut
{
//----------------------------------------------------------------------
// class FPoint
//----------------------------------------------------------------------
class FPoint
{
public:
// Constructors
FPoint () noexcept = default;
FPoint (int, int) noexcept;
// Overloaded operators
auto operator += (const FPoint&) -> FPoint&;
auto operator -= (const FPoint&) -> FPoint&;
// Accessors
auto getClassName() const -> FString;
auto getX() const noexcept -> int;
auto getY() const noexcept -> int;
void setX (int) noexcept;
void setY (int) noexcept;
void setPoint (const FPoint&) noexcept;
void setPoint (int, int) noexcept;
// Inquiry
auto isOrigin() const noexcept -> bool;
// Point references
auto x_ref() & noexcept -> int&;
auto y_ref() & noexcept -> int&;
// Methods
void move (int, int) noexcept;
void move (const FPoint&) noexcept;
private:
// Data members
int xpos{0};
int ypos{0};
// Friend operator functions
friend auto operator == (const FPoint&, const FPoint&) -> bool;
friend auto operator != (const FPoint&, const FPoint&) -> bool;
friend auto operator + (const FPoint&, const FPoint&) -> FPoint;
friend auto operator - (const FPoint&, const FPoint&) -> FPoint;
friend auto operator - (const FPoint&) -> FPoint;
friend auto operator << (std::ostream&, const FPoint&) -> std::ostream&;
friend auto operator >> (std::istream&, FPoint&) -> std::istream&;
};
// FPoint inline functions
//----------------------------------------------------------------------
inline FPoint::FPoint (int x, int y) noexcept
: xpos{x}
, ypos{y}
{ }
//----------------------------------------------------------------------
inline auto FPoint::getClassName() const -> FString
{ return "FPoint"; }
//----------------------------------------------------------------------
inline auto FPoint::getX() const noexcept -> int
{ return xpos; }
//----------------------------------------------------------------------
inline auto FPoint::getY() const noexcept -> int
{ return ypos; }
//----------------------------------------------------------------------
inline void FPoint::setX (int x) noexcept
{ xpos = x; }
//----------------------------------------------------------------------
inline void FPoint::setY (int y) noexcept
{ ypos = y; }
//----------------------------------------------------------------------
inline void FPoint::setPoint (const FPoint& p) noexcept
{ setPoint(p.xpos, p.ypos); }
//----------------------------------------------------------------------
inline void FPoint::setPoint (int x, int y) noexcept
{
xpos = x;
ypos = y;
}
//----------------------------------------------------------------------
inline auto FPoint::isOrigin() const noexcept -> bool
{ return xpos == 0 && ypos == 0; }
//----------------------------------------------------------------------
inline auto FPoint::x_ref() & noexcept -> int&
{ return xpos; }
//----------------------------------------------------------------------
inline auto FPoint::y_ref() & noexcept -> int&
{ return ypos; }
//----------------------------------------------------------------------
inline void FPoint::move (int dx, int dy) noexcept
{
xpos += dx;
ypos += dy;
}
//----------------------------------------------------------------------
inline void FPoint::move (const FPoint& d) noexcept
{
xpos += d.getX();
ypos += d.getY();
}
// FPoint non-member operators
//----------------------------------------------------------------------
inline auto operator == (const FPoint& p1, const FPoint& p2) -> bool
{ return p1.xpos == p2.xpos && p1.ypos == p2.ypos; }
//----------------------------------------------------------------------
inline auto operator != (const FPoint& p1, const FPoint& p2) -> bool
{ return p1.xpos != p2.xpos || p1.ypos != p2.ypos; }
//----------------------------------------------------------------------
inline auto operator + (const FPoint& p1, const FPoint& p2) -> FPoint
{ return {p1.xpos + p2.xpos, p1.ypos + p2.ypos}; }
//----------------------------------------------------------------------
inline auto operator - (const FPoint& p1, const FPoint& p2) -> FPoint
{ return {p1.xpos - p2.xpos, p1.ypos - p2.ypos}; }
//----------------------------------------------------------------------
inline auto operator - (const FPoint& p) -> FPoint
{ return {-p.xpos, -p.ypos}; }
} // namespace finalcut
#endif // FPOINT_H
|
