diff -r 000000000000 -r 4f2f89ce4247 WebCore/svg/SVGHKernElement.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/svg/SVGHKernElement.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,86 @@
+/*
+   Copyright (C) 2007 Eric Seidel <eric@webkit.org>
+   Copyright (C) 2007, 2008 Nikolas Zimmermann <zimmermann@kde.org>
+   Copyright (C) 2008 Eric Seidel <eric@webkit.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.
+*/
+
+#include "config.h"
+
+#if ENABLE(SVG_FONTS)
+#include "SVGHKernElement.h"
+
+#include "SVGFontElement.h"
+#include "SVGFontFaceElement.h"
+#include "SVGFontData.h"
+#include "SVGNames.h"
+#include "SimpleFontData.h"
+#include "XMLNames.h"
+
+namespace WebCore {
+
+using namespace SVGNames;
+
+SVGHKernElement::SVGHKernElement(const QualifiedName& tagName, Document* doc)
+    : SVGElement(tagName, doc)
+{
+}
+
+SVGHKernElement::~SVGHKernElement()
+{
+}
+
+void SVGHKernElement::insertedIntoDocument()
+{
+    Node* fontNode = parentNode();
+    if (fontNode && fontNode->hasTagName(SVGNames::fontTag)) {
+        if (SVGFontElement* element = static_cast<SVGFontElement*>(fontNode))
+            element->invalidateGlyphCache();
+    }
+}
+
+void SVGHKernElement::removedFromDocument()
+{
+    Node* fontNode = parentNode();
+    if (fontNode && fontNode->hasTagName(SVGNames::fontTag)) {
+        if (SVGFontElement* element = static_cast<SVGFontElement*>(fontNode))
+            element->invalidateGlyphCache();
+    }
+}
+
+void SVGHKernElement::buildHorizontalKerningPair(KerningPairVector& kerningPairs)
+{
+    String u1 = getAttribute(u1Attr);
+    String g1 = getAttribute(g1Attr);
+    String u2 = getAttribute(u2Attr);
+    String g2 = getAttribute(g2Attr);
+    if ((u1.isEmpty() && g1.isEmpty()) || (u2.isEmpty() && g2.isEmpty()))
+        return;
+
+    SVGKerningPair kerningPair;
+    if (parseGlyphName(g1, kerningPair.glyphName1)
+        && parseGlyphName(g2, kerningPair.glyphName2)
+        && parseKerningUnicodeString(u1, kerningPair.unicodeRange1, kerningPair.unicodeName1)
+        && parseKerningUnicodeString(u2, kerningPair.unicodeRange2, kerningPair.unicodeName2)) {
+        kerningPair.kerning = getAttribute(kAttr).string().toFloat();
+        kerningPairs.append(kerningPair);
+    }
+}
+
+}
+
+#endif // ENABLE(SVG_FONTS)