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
|
/*
* Copyright (C) 2015 Apple 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:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS 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 APPLE INC. OR ITS 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 ClipRect_h
#define ClipRect_h
#include "LayoutRect.h"
namespace WebCore {
class HitTestLocation;
class ClipRect {
public:
ClipRect() = default;
ClipRect(const LayoutRect& rect)
: m_rect(rect)
{
}
const LayoutRect& rect() const { return m_rect; }
void reset() { m_rect = LayoutRect::infiniteRect(); }
bool affectedByRadius() const { return m_affectedByRadius; }
void setAffectedByRadius(bool affectedByRadius) { m_affectedByRadius = affectedByRadius; }
bool operator==(const ClipRect& other) const { return rect() == other.rect() && affectedByRadius() == other.affectedByRadius(); }
bool operator!=(const ClipRect& other) const { return rect() != other.rect() || affectedByRadius() != other.affectedByRadius(); }
bool operator!=(const LayoutRect& otherRect) const { return rect() != otherRect; }
void intersect(const LayoutRect& other);
void intersect(const ClipRect& other);
void move(LayoutUnit x, LayoutUnit y) { m_rect.move(x, y); }
void move(const LayoutSize& size) { m_rect.move(size); }
void moveBy(const LayoutPoint& point) { m_rect.moveBy(point); }
bool intersects(const LayoutRect&) const;
bool intersects(const HitTestLocation&) const;
bool isEmpty() const { return m_rect.isEmpty(); }
bool isInfinite() const { return m_rect.isInfinite(); }
void inflateX(LayoutUnit dx) { m_rect.inflateX(dx); }
void inflateY(LayoutUnit dy) { m_rect.inflateY(dy); }
void inflate(LayoutUnit d) { inflateX(d); inflateY(d); }
private:
LayoutRect m_rect;
bool m_affectedByRadius = false;
};
inline void ClipRect::intersect(const LayoutRect& other)
{
if (other.isInfinite())
return;
if (isInfinite())
m_rect = other;
else
m_rect.intersect(other);
}
inline void ClipRect::intersect(const ClipRect& other)
{
intersect(other.rect());
if (other.affectedByRadius())
m_affectedByRadius = true;
}
inline bool ClipRect::intersects(const LayoutRect& rect) const
{
if (isInfinite() || rect.isInfinite())
return true;
return m_rect.intersects(rect);
}
inline ClipRect intersection(const ClipRect& a, const ClipRect& b)
{
ClipRect c = a;
c.intersect(b);
return c;
}
}
#endif
|
