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
|
/*
* Copyright (C) 2012, 2013 Adobe Systems Incorporated. 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 THE COPYRIGHT HOLDER “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 HOLDER 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 ClipPathOperation_h
#define ClipPathOperation_h
#include "BasicShapes.h"
#include "Path.h"
#include "RenderStyleConstants.h"
#include <wtf/RefCounted.h>
#include <wtf/TypeCasts.h>
#include <wtf/text/WTFString.h>
namespace WebCore {
class ClipPathOperation : public RefCounted<ClipPathOperation> {
public:
enum OperationType {
Reference,
Shape,
Box
};
virtual ~ClipPathOperation() { }
virtual bool operator==(const ClipPathOperation&) const = 0;
bool operator!=(const ClipPathOperation& o) const { return !(*this == o); }
OperationType type() const { return m_type; }
bool isSameType(const ClipPathOperation& o) const { return o.type() == m_type; }
protected:
explicit ClipPathOperation(OperationType type)
: m_type(type)
{
}
OperationType m_type;
};
class ReferenceClipPathOperation final : public ClipPathOperation {
public:
static Ref<ReferenceClipPathOperation> create(const String& url, const String& fragment)
{
return adoptRef(*new ReferenceClipPathOperation(url, fragment));
}
const String& url() const { return m_url; }
const String& fragment() const { return m_fragment; }
private:
virtual bool operator==(const ClipPathOperation& other) const override
{
if (!isSameType(other))
return false;
auto& referenceClip = downcast<ReferenceClipPathOperation>(other);
return m_url == referenceClip.m_url;
}
ReferenceClipPathOperation(const String& url, const String& fragment)
: ClipPathOperation(Reference)
, m_url(url)
, m_fragment(fragment)
{
}
String m_url;
String m_fragment;
};
class ShapeClipPathOperation final : public ClipPathOperation {
public:
static Ref<ShapeClipPathOperation> create(Ref<BasicShape>&& shape)
{
return adoptRef(*new ShapeClipPathOperation(WTFMove(shape)));
}
const BasicShape& basicShape() const { return m_shape; }
WindRule windRule() const { return m_shape.get().windRule(); }
const Path& pathForReferenceRect(const FloatRect& boundingRect) { return m_shape.get().path(boundingRect); }
void setReferenceBox(CSSBoxType referenceBox) { m_referenceBox = referenceBox; }
CSSBoxType referenceBox() const { return m_referenceBox; }
private:
virtual bool operator==(const ClipPathOperation& other) const override
{
if (!isSameType(other))
return false;
auto& shapeClip = downcast<ShapeClipPathOperation>(other);
return m_referenceBox == shapeClip.referenceBox()
&& (m_shape.ptr() == shapeClip.m_shape.ptr() || m_shape.get() == shapeClip.m_shape.get());
}
explicit ShapeClipPathOperation(Ref<BasicShape>&& shape)
: ClipPathOperation(Shape)
, m_shape(WTFMove(shape))
, m_referenceBox(BoxMissing)
{
}
Ref<BasicShape> m_shape;
CSSBoxType m_referenceBox;
};
class BoxClipPathOperation final : public ClipPathOperation {
public:
static Ref<BoxClipPathOperation> create(CSSBoxType referenceBox)
{
return adoptRef(*new BoxClipPathOperation(referenceBox));
}
const Path pathForReferenceRect(const FloatRoundedRect& boundingRect) const
{
Path path;
path.addRoundedRect(boundingRect);
return path;
}
CSSBoxType referenceBox() const { return m_referenceBox; }
private:
virtual bool operator==(const ClipPathOperation& other) const override
{
if (!isSameType(other))
return false;
auto& boxClip = downcast<BoxClipPathOperation>(other);
return m_referenceBox == boxClip.m_referenceBox;
}
explicit BoxClipPathOperation(CSSBoxType referenceBox)
: ClipPathOperation(Box)
, m_referenceBox(referenceBox)
{
}
CSSBoxType m_referenceBox;
};
} // namespace WebCore
#define SPECIALIZE_TYPE_TRAITS_CLIP_PATH_OPERATION(ToValueTypeName, predicate) \
SPECIALIZE_TYPE_TRAITS_BEGIN(WebCore::ToValueTypeName) \
static bool isType(const WebCore::ClipPathOperation& operation) { return operation.type() == WebCore::predicate; } \
SPECIALIZE_TYPE_TRAITS_END()
SPECIALIZE_TYPE_TRAITS_CLIP_PATH_OPERATION(ReferenceClipPathOperation, ClipPathOperation::Reference)
SPECIALIZE_TYPE_TRAITS_CLIP_PATH_OPERATION(ShapeClipPathOperation, ClipPathOperation::Shape)
SPECIALIZE_TYPE_TRAITS_CLIP_PATH_OPERATION(BoxClipPathOperation, ClipPathOperation::Box)
#endif // ClipPathOperation_h
|
