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
|
/*
* Copyright (C) 2006 Oliver Hunt <ojh16@student.canterbury.ac.nz>
* Copyright (C) 2006, 2008 Apple Inc. All rights reserved.
* Copyright (C) 2008 Rob Buis <buis@kde.org>
*
* 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 RenderSVGInlineText_h
#define RenderSVGInlineText_h
#include "FontCascade.h"
#include "RenderText.h"
#include "SVGTextLayoutAttributes.h"
#include "Text.h"
namespace WebCore {
class SVGInlineTextBox;
class RenderSVGInlineText final : public RenderText {
public:
RenderSVGInlineText(Text&, const String&);
Text& textNode() const { return downcast<Text>(nodeForNonAnonymous()); }
bool characterStartsNewTextChunk(int position) const;
SVGTextLayoutAttributes* layoutAttributes() { return &m_layoutAttributes; }
float scalingFactor() const { return m_scalingFactor; }
const FontCascade& scaledFont() const { return m_scaledFont; }
void updateScaledFont();
static void computeNewScaledFontForStyle(const RenderObject&, const RenderStyle&, float& scalingFactor, FontCascade& scaledFont);
// Preserves floating point precision for the use in DRT. It knows how to round and does a better job than enclosingIntRect.
FloatRect floatLinesBoundingBox() const;
private:
virtual const char* renderName() const override { return "RenderSVGInlineText"; }
virtual String originalText() const override;
virtual void setRenderedText(const String&) override;
virtual void styleDidChange(StyleDifference, const RenderStyle*) override;
virtual FloatRect objectBoundingBox() const override { return floatLinesBoundingBox(); }
virtual bool isSVGInlineText() const override { return true; }
virtual VisiblePosition positionForPoint(const LayoutPoint&, const RenderRegion*) override;
virtual LayoutRect localCaretRect(InlineBox*, int caretOffset, LayoutUnit* extraWidthToEndOfLine = 0) override;
virtual IntRect linesBoundingBox() const override;
virtual std::unique_ptr<InlineTextBox> createTextBox() override;
float m_scalingFactor;
FontCascade m_scaledFont;
SVGTextLayoutAttributes m_layoutAttributes;
};
} // namespace WebCore
SPECIALIZE_TYPE_TRAITS_RENDER_OBJECT(RenderSVGInlineText, isSVGInlineText())
#endif // RenderSVGInlineText_h
|