diff -r 000000000000 -r 4f2f89ce4247 WebCore/svg/SVGFontElement.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/svg/SVGFontElement.h	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,86 @@
+/*
+   Copyright (C) 2007 Eric Seidel <eric@webkit.org>
+   Copyright (C) 2007 Nikolas Zimmermann <zimmermann@kde.org>
+   Copyright (C) Research In Motion Limited 2010. 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 SVGFontElement_h
+#define SVGFontElement_h
+
+#if ENABLE(SVG_FONTS)
+#include "SVGExternalResourcesRequired.h"
+#include "SVGGlyphElement.h"
+#include "SVGGlyphMap.h"
+#include "SVGParserUtilities.h"
+#include "SVGStyledElement.h"
+
+namespace WebCore {
+
+// Describe an SVG <hkern>/<vkern> element
+struct SVGKerningPair {
+    float kerning;
+    UnicodeRanges unicodeRange1;
+    UnicodeRanges unicodeRange2;
+    HashSet<String> unicodeName1;
+    HashSet<String> unicodeName2;
+    HashSet<String> glyphName1;
+    HashSet<String> glyphName2;
+    
+    SVGKerningPair()
+        : kerning(0.0f)
+    {
+    }
+};
+
+typedef Vector<SVGKerningPair> KerningPairVector;
+
+class SVGMissingGlyphElement;    
+class SVGFontElement : public SVGStyledElement
+                     , public SVGExternalResourcesRequired {
+public:
+    SVGFontElement(const QualifiedName&, Document*);
+    virtual ~SVGFontElement();
+
+    virtual void synchronizeProperty(const QualifiedName&);
+    virtual bool rendererIsNeeded(RenderStyle*) { return false; }    
+
+    void invalidateGlyphCache();
+
+    void getGlyphIdentifiersForString(const String&, Vector<SVGGlyphIdentifier>&) const;
+
+    float horizontalKerningForPairOfStringsAndGlyphs(const String& u1, const String& g1, const String& u2, const String& g2) const;
+    float verticalKerningForPairOfStringsAndGlyphs(const String& u1, const String& g1, const String& u2, const String& g2) const;
+    
+    SVGMissingGlyphElement* firstMissingGlyphElement() const;
+
+private:
+    // SVGExternalResourcesRequired
+    DECLARE_ANIMATED_PROPERTY(SVGFontElement, SVGNames::externalResourcesRequiredAttr, bool, ExternalResourcesRequired, externalResourcesRequired)
+
+    void ensureGlyphCache() const;
+
+    mutable KerningPairVector m_horizontalKerningPairs;
+    mutable KerningPairVector m_verticalKerningPairs;
+    mutable SVGGlyphMap m_glyphMap;
+    mutable bool m_isGlyphCacheValid;
+};
+
+} // namespace WebCore
+
+#endif // ENABLE(SVG_FONTS)
+#endif