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
|
/*
* Copyright (C) 2006 Apple Computer, Inc.
* Copyright (C) 2007 Nikolas Zimmermann <zimmermann@kde.org>
* Copyright (C) Research In Motion Limited 2010-2012. 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.
*/
#ifndef RenderSVGText_h
#define RenderSVGText_h
#if ENABLE(SVG)
#include "AffineTransform.h"
#include "RenderSVGBlock.h"
#include "SVGTextLayoutAttributesBuilder.h"
namespace WebCore {
class RenderSVGInlineText;
class SVGTextElement;
class RenderSVGInlineText;
class RenderSVGText : public RenderSVGBlock {
public:
RenderSVGText(SVGTextElement*);
virtual ~RenderSVGText();
virtual bool isChildAllowed(RenderObject*, RenderStyle*) const;
void setNeedsPositioningValuesUpdate() { m_needsPositioningValuesUpdate = true; }
virtual void setNeedsTransformUpdate() { m_needsTransformUpdate = true; }
void setNeedsTextMetricsUpdate() { m_needsTextMetricsUpdate = true; }
virtual FloatRect repaintRectInLocalCoordinates() const;
static RenderSVGText* locateRenderSVGTextAncestor(RenderObject*);
static const RenderSVGText* locateRenderSVGTextAncestor(const RenderObject*);
bool needsReordering() const { return m_needsReordering; }
Vector<SVGTextLayoutAttributes*>& layoutAttributes() { return m_layoutAttributes; }
void subtreeChildWasAdded(RenderObject*);
void subtreeChildWillBeRemoved(RenderObject*, Vector<SVGTextLayoutAttributes*, 2>& affectedAttributes);
void subtreeChildWasRemoved(const Vector<SVGTextLayoutAttributes*, 2>& affectedAttributes);
void subtreeStyleDidChange(RenderSVGInlineText*);
void subtreeTextDidChange(RenderSVGInlineText*);
private:
virtual const char* renderName() const { return "RenderSVGText"; }
virtual bool isSVGText() const { return true; }
virtual void paint(PaintInfo&, const LayoutPoint&);
virtual bool nodeAtPoint(const HitTestRequest&, HitTestResult&, const HitTestPoint& pointInContainer, const LayoutPoint& accumulatedOffset, HitTestAction) OVERRIDE;
virtual bool nodeAtFloatPoint(const HitTestRequest&, HitTestResult&, const FloatPoint& pointInParent, HitTestAction);
virtual VisiblePosition positionForPoint(const LayoutPoint&);
virtual bool requiresLayer() const { return false; }
virtual void layout();
virtual void absoluteQuads(Vector<FloatQuad>&, bool* wasFixed) const;
virtual LayoutRect clippedOverflowRectForRepaint(RenderBoxModelObject* repaintContainer) const;
virtual void computeRectForRepaint(RenderBoxModelObject* repaintContainer, LayoutRect&, bool fixed = false) const;
virtual void computeFloatRectForRepaint(RenderBoxModelObject* repaintContainer, FloatRect&, bool fixed = false) const;
virtual void mapLocalToContainer(RenderBoxModelObject* repaintContainer, TransformState&, MapLocalToContainerFlags mode = ApplyContainerFlip | SnapOffsetForTransforms, bool* wasFixed = 0) const OVERRIDE;
virtual const RenderObject* pushMappingToContainer(const RenderBoxModelObject* ancestorToStopAt, RenderGeometryMap&) const;
virtual void addChild(RenderObject* child, RenderObject* beforeChild = 0);
virtual void removeChild(RenderObject*) OVERRIDE;
virtual void willBeDestroyed() OVERRIDE;
virtual FloatRect objectBoundingBox() const { return frameRect(); }
virtual FloatRect strokeBoundingBox() const;
virtual const AffineTransform& localToParentTransform() const { return m_localTransform; }
virtual AffineTransform localTransform() const { return m_localTransform; }
virtual RootInlineBox* createRootInlineBox();
virtual RenderBlock* firstLineBlock() const;
virtual void updateFirstLetter();
bool shouldHandleSubtreeMutations() const;
bool m_needsReordering : 1;
bool m_needsPositioningValuesUpdate : 1;
bool m_needsTransformUpdate : 1;
bool m_needsTextMetricsUpdate : 1;
AffineTransform m_localTransform;
SVGTextLayoutAttributesBuilder m_layoutAttributesBuilder;
Vector<SVGTextLayoutAttributes*> m_layoutAttributes;
};
inline RenderSVGText* toRenderSVGText(RenderObject* object)
{
ASSERT(!object || object->isSVGText());
return static_cast<RenderSVGText*>(object);
}
inline const RenderSVGText* toRenderSVGText(const RenderObject* object)
{
ASSERT(!object || object->isSVGText());
return static_cast<const RenderSVGText*>(object);
}
// This will catch anyone doing an unnecessary cast.
void toRenderSVGText(const RenderSVGText*);
}
#endif // ENABLE(SVG)
#endif
|