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
|
/*
* 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 LayoutSVGText_h
#define LayoutSVGText_h
#include "core/layout/svg/LayoutSVGBlock.h"
namespace blink {
class LayoutSVGInlineText;
class SVGTextElement;
class LayoutSVGText final : public LayoutSVGBlock {
public:
explicit LayoutSVGText(SVGTextElement*);
~LayoutSVGText() override;
bool isChildAllowed(LayoutObject*, const ComputedStyle&) const override;
void setNeedsPositioningValuesUpdate() {
m_needsPositioningValuesUpdate = true;
}
void setNeedsTransformUpdate() override { m_needsTransformUpdate = true; }
void setNeedsTextMetricsUpdate() { m_needsTextMetricsUpdate = true; }
FloatRect visualRectInLocalSVGCoordinates() const override;
FloatRect objectBoundingBox() const override;
FloatRect strokeBoundingBox() const override;
bool isObjectBoundingBoxValid() const;
void addOutlineRects(Vector<LayoutRect>&,
const LayoutPoint& additionalOffset,
IncludeBlockVisualOverflowOrNot) const override;
static LayoutSVGText* locateLayoutSVGTextAncestor(LayoutObject*);
static const LayoutSVGText* locateLayoutSVGTextAncestor(const LayoutObject*);
bool needsReordering() const { return m_needsReordering; }
const Vector<LayoutSVGInlineText*>& descendantTextNodes() const {
return m_descendantTextNodes;
}
void subtreeChildWasAdded();
void subtreeChildWillBeRemoved();
void subtreeTextDidChange();
const char* name() const override { return "LayoutSVGText"; }
private:
bool isOfType(LayoutObjectType type) const override {
return type == LayoutObjectSVGText || LayoutSVGBlock::isOfType(type);
}
void paint(const PaintInfo&, const LayoutPoint&) const override;
bool nodeAtFloatPoint(HitTestResult&,
const FloatPoint& pointInParent,
HitTestAction) override;
PositionWithAffinity positionForPoint(const LayoutPoint&) override;
void layout() override;
void absoluteQuads(Vector<FloatQuad>&,
MapCoordinatesFlags mode = 0) const override;
void addChild(LayoutObject* child,
LayoutObject* beforeChild = nullptr) override;
void removeChild(LayoutObject*) override;
void willBeDestroyed() override;
void invalidateTreeIfNeeded(const PaintInvalidationState&) override;
RootInlineBox* createRootInlineBox() override;
void invalidatePositioningValues(LayoutInvalidationReasonForTracing);
bool m_needsReordering : 1;
bool m_needsPositioningValuesUpdate : 1;
bool m_needsTransformUpdate : 1;
bool m_needsTextMetricsUpdate : 1;
Vector<LayoutSVGInlineText*> m_descendantTextNodes;
};
DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutSVGText, isSVGText());
} // namespace blink
#endif
|
