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
185
186
187
188
189
190
191
192
|
/*
* Copyright (c) 2012, Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef FractionalLayoutPoint_h
#define FractionalLayoutPoint_h
#include "FloatPoint.h"
#include "FractionalLayoutSize.h"
#include <wtf/MathExtras.h>
#if PLATFORM(QT)
#include <qglobal.h>
QT_BEGIN_NAMESPACE
class QPoint;
class QPointF;
QT_END_NAMESPACE
#endif
namespace WebCore {
class FractionalLayoutPoint {
public:
FractionalLayoutPoint() : m_x(0), m_y(0) { }
FractionalLayoutPoint(FractionalLayoutUnit x, FractionalLayoutUnit y) : m_x(x), m_y(y) { }
FractionalLayoutPoint(const IntPoint& point) : m_x(point.x()), m_y(point.y()) { }
explicit FractionalLayoutPoint(const FloatPoint& size) : m_x(size.x()), m_y(size.y()) { }
explicit FractionalLayoutPoint(const FractionalLayoutSize& size) : m_x(size.width()), m_y(size.height()) { }
static FractionalLayoutPoint zero() { return FractionalLayoutPoint(); }
FractionalLayoutUnit x() const { return m_x; }
FractionalLayoutUnit y() const { return m_y; }
void setX(FractionalLayoutUnit x) { m_x = x; }
void setY(FractionalLayoutUnit y) { m_y = y; }
void move(const FractionalLayoutSize& s) { move(s.width(), s.height()); }
void moveBy(const FractionalLayoutPoint& offset) { move(offset.x(), offset.y()); }
void move(FractionalLayoutUnit dx, FractionalLayoutUnit dy) { m_x += dx; m_y += dy; }
void scale(float sx, float sy)
{
m_x *= sx;
m_y *= sy;
}
FractionalLayoutPoint expandedTo(const FractionalLayoutPoint& other) const
{
return FractionalLayoutPoint(std::max(m_x, other.m_x), std::max(m_y, other.m_y));
}
FractionalLayoutPoint shrunkTo(const FractionalLayoutPoint& other) const
{
return FractionalLayoutPoint(std::min(m_x, other.m_x), std::min(m_y, other.m_y));
}
void clampNegativeToZero()
{
*this = expandedTo(zero());
}
FractionalLayoutPoint transposedPoint() const
{
return FractionalLayoutPoint(m_y, m_x);
}
#if PLATFORM(QT)
explicit FractionalLayoutPoint(const QPoint&);
explicit FractionalLayoutPoint(const QPointF&);
operator QPointF() const;
#endif
private:
FractionalLayoutUnit m_x, m_y;
};
inline FractionalLayoutPoint& operator+=(FractionalLayoutPoint& a, const FractionalLayoutSize& b)
{
a.move(b.width(), b.height());
return a;
}
inline FractionalLayoutPoint& operator-=(FractionalLayoutPoint& a, const FractionalLayoutSize& b)
{
a.move(-b.width(), -b.height());
return a;
}
inline FractionalLayoutPoint operator+(const FractionalLayoutPoint& a, const FractionalLayoutSize& b)
{
return FractionalLayoutPoint(a.x() + b.width(), a.y() + b.height());
}
inline FractionalLayoutPoint operator+(const FractionalLayoutPoint& a, const FractionalLayoutPoint& b)
{
return FractionalLayoutPoint(a.x() + b.x(), a.y() + b.y());
}
inline FractionalLayoutSize operator-(const FractionalLayoutPoint& a, const FractionalLayoutPoint& b)
{
return FractionalLayoutSize(a.x() - b.x(), a.y() - b.y());
}
inline FractionalLayoutPoint operator-(const FractionalLayoutPoint& a, const FractionalLayoutSize& b)
{
return FractionalLayoutPoint(a.x() - b.width(), a.y() - b.height());
}
inline FractionalLayoutPoint operator-(const FractionalLayoutPoint& point)
{
return FractionalLayoutPoint(-point.x(), -point.y());
}
inline bool operator==(const FractionalLayoutPoint& a, const FractionalLayoutPoint& b)
{
return a.x() == b.x() && a.y() == b.y();
}
inline bool operator!=(const FractionalLayoutPoint& a, const FractionalLayoutPoint& b)
{
return a.x() != b.x() || a.y() != b.y();
}
inline FractionalLayoutPoint toPoint(const FractionalLayoutSize& size)
{
return FractionalLayoutPoint(size.width(), size.height());
}
inline FractionalLayoutSize toSize(const FractionalLayoutPoint& a)
{
return FractionalLayoutSize(a.x(), a.y());
}
inline IntPoint flooredIntPoint(const FractionalLayoutPoint& point)
{
return IntPoint(point.x().floor(), point.y().floor());
}
inline IntPoint roundedIntPoint(const FractionalLayoutPoint& point)
{
return IntPoint(point.x().round(), point.y().round());
}
inline IntPoint roundedIntPoint(const FractionalLayoutSize& size)
{
return IntPoint(size.width().round(), size.height().round());
}
inline IntPoint ceiledIntPoint(const FractionalLayoutPoint& point)
{
return IntPoint(point.x().ceil(), point.y().ceil());
}
inline FractionalLayoutPoint flooredFractionalLayoutPoint(const FloatPoint& p)
{
return FractionalLayoutPoint(FractionalLayoutUnit::fromFloatFloor(p.x()), FractionalLayoutUnit::fromFloatFloor(p.y()));
}
inline FractionalLayoutPoint ceiledFractionalLayoutPoint(const FloatPoint& p)
{
return FractionalLayoutPoint(FractionalLayoutUnit::fromFloatCeil(p.x()), FractionalLayoutUnit::fromFloatCeil(p.y()));
}
} // namespace WebCore
#endif // FractionalLayoutPoint_h
|
