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
|
/*
* Copyright (C) Research In Motion Limited 2010-2011. All rights reserved.
* Copyright (C) 2024 Apple Inc. All rights reserved.
* Copyright (C) 2015 Google Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#pragma once
#include "SVGTextMetrics.h"
#include <wtf/HashMap.h>
#include <wtf/Noncopyable.h>
#include <wtf/Vector.h>
#include <wtf/WeakRef.h>
namespace WebCore {
class RenderSVGInlineText;
struct SVGCharacterData {
SVGCharacterData();
float x;
float y;
float dx;
float dy;
float rotate;
};
typedef UncheckedKeyHashMap<unsigned, SVGCharacterData> SVGCharacterDataMap;
class SVGTextLayoutAttributes {
WTF_MAKE_NONCOPYABLE(SVGTextLayoutAttributes);
public:
explicit SVGTextLayoutAttributes(RenderSVGInlineText&);
void clear();
static constexpr float emptyValue() { return std::numeric_limits<float>::quiet_NaN(); }
static bool isEmptyValue(float value) { return std::isnan(value); }
RenderSVGInlineText& context();
const RenderSVGInlineText& context() const;
SVGCharacterDataMap& characterDataMap() { return m_characterDataMap; }
const SVGCharacterDataMap& characterDataMap() const { return m_characterDataMap; }
Vector<SVGTextMetrics>& textMetricsValues() { return m_textMetricsValues; }
const Vector<SVGTextMetrics>& textMetricsValues() const { return m_textMetricsValues; }
private:
SingleThreadWeakRef<RenderSVGInlineText> m_context;
SVGCharacterDataMap m_characterDataMap;
Vector<SVGTextMetrics> m_textMetricsValues;
};
inline SVGCharacterData::SVGCharacterData()
: x(SVGTextLayoutAttributes::emptyValue())
, y(SVGTextLayoutAttributes::emptyValue())
, dx(SVGTextLayoutAttributes::emptyValue())
, dy(SVGTextLayoutAttributes::emptyValue())
, rotate(SVGTextLayoutAttributes::emptyValue())
{
}
} // namespace WebCore
|
