--- /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