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) 2012 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 THIRD_PARTY_BLINK_RENDERER_CORE_STYLE_SHAPE_VALUE_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_STYLE_SHAPE_VALUE_H_
#include "base/check_op.h"
#include "base/memory/scoped_refptr.h"
#include "base/memory/values_equivalent.h"
#include "base/notreached.h"
#include "third_party/blink/renderer/core/style/basic_shapes.h"
#include "third_party/blink/renderer/core/style/computed_style_constants.h"
#include "third_party/blink/renderer/core/style/style_image.h"
#include "third_party/blink/renderer/platform/heap/member.h"
#include "third_party/blink/renderer/platform/heap/visitor.h"
namespace blink {
class ShapeValue final : public GarbageCollected<ShapeValue> {
public:
enum ShapeValueType {
// The Auto value is defined by a null ShapeValue*
kShape,
kBox,
kImage
};
explicit ShapeValue(ShapeValueType type)
: type_(type), css_box_(CSSBoxType::kMissing) {}
explicit ShapeValue(StyleImage* image)
: type_(kImage), image_(image), css_box_(CSSBoxType::kContent) {}
explicit ShapeValue(CSSBoxType css_box) : type_(kBox), css_box_(css_box) {}
ShapeValue(const BasicShape* shape, CSSBoxType css_box)
: type_(kShape), shape_(shape), css_box_(css_box) {}
ShapeValueType GetType() const { return type_; }
const BasicShape* Shape() const { return shape_.Get(); }
StyleImage* GetImage() const { return image_.Get(); }
void SetImage(StyleImage* image) {
DCHECK_EQ(GetType(), kImage);
if (image_ != image) {
image_ = image;
}
}
CSSBoxType CssBox() const { return css_box_; }
bool operator==(const ShapeValue& other) const;
void Trace(Visitor* visitor) const {
visitor->Trace(shape_);
visitor->Trace(image_);
}
private:
ShapeValueType type_;
Member<const BasicShape> shape_;
Member<StyleImage> image_;
CSSBoxType css_box_;
};
inline bool ShapeValue::operator==(const ShapeValue& other) const {
if (GetType() != other.GetType()) {
return false;
}
switch (GetType()) {
case kShape:
return base::ValuesEquivalent(Shape(), other.Shape()) &&
CssBox() == other.CssBox();
case kBox:
return CssBox() == other.CssBox();
case kImage:
return base::ValuesEquivalent(GetImage(), other.GetImage());
}
NOTREACHED();
}
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_CORE_STYLE_SHAPE_VALUE_H_
|
