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SVGFontElement.h
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1/*
2 Copyright (C) 2007 Eric Seidel <eric@webkit.org>
3 Copyright (C) 2007 Nikolas Zimmermann <zimmermann@kde.org>
4
5 This library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Library General Public
7 License as published by the Free Software Foundation; either
8 version 2 of the License, or (at your option) any later version.
9
10 This library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Library General Public License for more details.
14
15 You should have received a copy of the GNU Library General Public License
16 along with this library; see the file COPYING.LIB. If not, write to
17 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
18 Boston, MA 02110-1301, USA.
19 */
20
21#ifndef SVGFontElement_h
22#define SVGFontElement_h
23
24#if ENABLE(SVG_FONTS)
25#include "SVGExternalResourcesRequired.h"
26#include "SVGGlyphElement.h"
27#include "SVGGlyphMap.h"
28#include "SVGHKernElement.h"
29#include "SVGStyledElement.h"
30
31namespace WebCore {
32
33 class SVGMissingGlyphElement;
34 class SVGFontElement : public SVGStyledElement
35 , public SVGExternalResourcesRequired {
36 public:
37 SVGFontElement(const QualifiedName&, Document*);
38 virtual ~SVGFontElement();
39
40 virtual bool rendererIsNeeded(RenderStyle*) { return false; }
41 virtual const SVGElement* contextElement() const { return this; }
42
43 void invalidateGlyphCache();
44
45 void getGlyphIdentifiersForString(const String&, Vector<SVGGlyphIdentifier>&) const;
46
47 bool getHorizontalKerningPairForStringsAndGlyphs(const String& u1, const String& g1, const String& u2, const String& g2, SVGHorizontalKerningPair& kerningPair) const;
48
49 SVGMissingGlyphElement* firstMissingGlyphElement() const;
50
51 // KHTML ElementImpl pure virtual method
52 virtual quint32 id() const { return SVGNames::textTag.id(); }
53 private:
54 void ensureGlyphCache() const;
55
56 typedef Vector<SVGHorizontalKerningPair> KerningPairVector;
57
58 mutable KerningPairVector m_kerningPairs;
59 mutable SVGGlyphMap m_glyphMap;
60 mutable bool m_isGlyphCacheValid;
61 };
62
63} // namespace WebCore
64
65#endif // ENABLE(SVG_FONTS)
66#endif
67
68// vim:ts=4:noet
SVGExternalResourcesRequired.h
SVGGlyphElement.h
SVGGlyphMap.h
SVGHKernElement.h
SVGStyledElement.h
WebCore
Definition: CSSHelper.h:7
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