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) 2004, 2005, 2008 Nikolas Zimmermann <zimmermann@kde.org>
* Copyright (C) 2004, 2005, 2006, 2007, 2010 Rob Buis <buis@kde.org>
* Copyright (C) 2018-2019 Apple 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 "FloatRect.h"
#include "QualifiedName.h"
#include "SVGAnimatedPropertyImpl.h"
#include "SVGNames.h"
#include "SVGPreserveAspectRatio.h"
#include "SVGPropertyOwnerRegistry.h"
namespace WebCore {
class AffineTransform;
class SVGFitToViewBox {
WTF_MAKE_NONCOPYABLE(SVGFitToViewBox);
public:
static AffineTransform viewBoxToViewTransform(const FloatRect& viewBoxRect, const SVGPreserveAspectRatioValue&, float viewWidth, float viewHeight);
using PropertyRegistry = SVGPropertyOwnerRegistry<SVGFitToViewBox>;
const FloatRect& viewBox() const { return m_viewBox->currentValue(); }
const SVGPreserveAspectRatioValue& preserveAspectRatio() const { return m_preserveAspectRatio->currentValue(); }
SVGAnimatedRect& viewBoxAnimated() { return m_viewBox; }
SVGAnimatedPreserveAspectRatio& preserveAspectRatioAnimated() { return m_preserveAspectRatio; }
void setViewBox(const FloatRect&);
void resetViewBox();
void setPreserveAspectRatio(const SVGPreserveAspectRatioValue& preserveAspectRatio) { m_preserveAspectRatio->setBaseValInternal(preserveAspectRatio); }
void resetPreserveAspectRatio() { m_preserveAspectRatio->setBaseValInternal({ }); }
String viewBoxString() const { return SVGPropertyTraits<FloatRect>::toString(viewBox()); }
String preserveAspectRatioString() const { return preserveAspectRatio().valueAsString(); }
bool hasValidViewBox() const { return m_isViewBoxValid; }
bool hasEmptyViewBox() const { return m_isViewBoxValid && viewBox().isEmpty(); }
protected:
SVGFitToViewBox(SVGElement* contextElement, SVGPropertyAccess = SVGPropertyAccess::ReadWrite);
static bool isKnownAttribute(const QualifiedName& attributeName) { return PropertyRegistry::isKnownAttribute(attributeName); }
void reset();
bool parseAttribute(const QualifiedName&, const AtomString&);
std::optional<FloatRect> parseViewBox(StringView);
std::optional<FloatRect> parseViewBox(StringParsingBuffer<LChar>&, bool validate = true);
std::optional<FloatRect> parseViewBox(StringParsingBuffer<UChar>&, bool validate = true);
private:
template<typename CharacterType> std::optional<FloatRect> parseViewBoxGeneric(StringParsingBuffer<CharacterType>&, bool validate = true);
Ref<SVGAnimatedRect> m_viewBox;
Ref<SVGAnimatedPreserveAspectRatio> m_preserveAspectRatio;
bool m_isViewBoxValid { false };
};
} // namespace WebCore
|
