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
|
/*
* Copyright (C) 2025 Samuel Weinig <sam@webkit.org>
*
* 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. ``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
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* 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.
*/
#pragma once
#include <WebCore/StyleValueTypes.h>
#include <wtf/EnumTraits.h>
namespace WebCore {
namespace Style {
enum class PaintType : uint8_t { Fill, Stroke, Markers };
// <'paint-order'> = normal | [ fill || stroke || markers ]
// https://svgwg.org/svg2-draft/painting.html#PaintOrderProperty
// NOTE: A `SpaceSeparatedEnumSet` cannot be used here as the order of the
// values is relevant to the interpretation and serialization.
struct SVGPaintOrder {
using value_type = std::span<const PaintType, 3>::value_type;
using iterator = std::span<const PaintType, 3>::iterator;
constexpr SVGPaintOrder(CSS::Keyword::Normal) { }
constexpr SVGPaintOrder(CSS::Keyword::Fill) : m_type { Type::FillStrokeMarkers } { }
constexpr SVGPaintOrder(CSS::Keyword::Fill, CSS::Keyword::Markers) : m_type { Type::FillMarkersStroke } { }
constexpr SVGPaintOrder(CSS::Keyword::Stroke) : m_type { Type::StrokeFillMarkers } { }
constexpr SVGPaintOrder(CSS::Keyword::Stroke, CSS::Keyword::Markers) : m_type { Type::StrokeMarkersFill } { }
constexpr SVGPaintOrder(CSS::Keyword::Markers) : m_type { Type::MarkersFillStroke } { }
constexpr SVGPaintOrder(CSS::Keyword::Markers, CSS::Keyword::Stroke) : m_type { Type::MarkersStrokeFill } { }
constexpr bool isNormal() const { return m_type == Type::Normal; }
template<typename... F> constexpr decltype(auto) switchOn(F&&... f) const
{
auto visitor = WTF::makeVisitor(std::forward<F>(f)...);
switch (m_type) {
case Type::Normal:
return visitor(CSS::Keyword::Normal { });
case Type::FillStrokeMarkers:
return visitor(CSS::Keyword::Fill { });
case Type::FillMarkersStroke:
return visitor(SpaceSeparatedTuple { CSS::Keyword::Fill { }, CSS::Keyword::Markers { } });
case Type::StrokeFillMarkers:
return visitor(CSS::Keyword::Stroke { });
case Type::StrokeMarkersFill:
return visitor(SpaceSeparatedTuple { CSS::Keyword::Stroke { }, CSS::Keyword::Markers { } });
case Type::MarkersFillStroke:
return visitor(CSS::Keyword::Markers { });
case Type::MarkersStrokeFill:
return visitor(SpaceSeparatedTuple { CSS::Keyword::Markers { }, CSS::Keyword::Stroke { } });
}
RELEASE_ASSERT_NOT_REACHED();
}
std::span<const PaintType, 3> paintTypes() const;
iterator begin() const { return paintTypes().begin(); }
iterator end() const { return paintTypes().end(); }
constexpr bool operator==(const SVGPaintOrder&) const = default;
// NOTE: The Type is exposed only to allow efficient storage using a bitfield.
enum class Type : uint8_t {
Normal,
FillStrokeMarkers,
FillMarkersStroke,
StrokeFillMarkers,
StrokeMarkersFill,
MarkersFillStroke,
MarkersStrokeFill,
};
constexpr SVGPaintOrder(Type type) : m_type { type } { }
constexpr Type type() const { return m_type; }
static constexpr SVGPaintOrder fromRaw(std::underlying_type_t<Type> rawValue)
{
return SVGPaintOrder { static_cast<Type>(rawValue) } ;
}
constexpr uint8_t toRaw() const { return enumToUnderlyingType(m_type); }
private:
Type m_type { Type::Normal };
};
// MARK: - Conversion
template<> struct CSSValueConversion<SVGPaintOrder> { auto operator()(BuilderState&, const CSSValue&) -> SVGPaintOrder; };
} // namespace Style
} // namespace WebCore
DEFINE_VARIANT_LIKE_CONFORMANCE(WebCore::Style::SVGPaintOrder)
|
