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/*
* 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 "SVGNames.h"
namespace WebCore {
inline SVGHKernElement::SVGHKernElement(const QualifiedName& tagName, Document* document)
: SVGElement(tagName, document)
{
ASSERT(hasTagName(SVGNames::hkernTag));
}
PassRefPtr<SVGHKernElement> SVGHKernElement::create(const QualifiedName& tagName, Document* document)
{
return adoptRef(new SVGHKernElement(tagName, document));
}
Node::InsertionNotificationRequest SVGHKernElement::insertedInto(ContainerNode* rootParent)
{
ContainerNode* fontNode = parentNode();
if (fontNode && isSVGFontElement(fontNode))
toSVGFontElement(fontNode)->invalidateGlyphCache();
return SVGElement::insertedInto(rootParent);
}
void SVGHKernElement::removedFrom(ContainerNode* rootParent)
{
ContainerNode* fontNode = parentNode();
if (fontNode && isSVGFontElement(fontNode))
toSVGFontElement(fontNode)->invalidateGlyphCache();
SVGElement::removedFrom(rootParent);
}
void SVGHKernElement::buildHorizontalKerningPair(SVGKerningMap& kerningMap)
{
String u1 = fastGetAttribute(SVGNames::u1Attr);
String g1 = fastGetAttribute(SVGNames::g1Attr);
String u2 = fastGetAttribute(SVGNames::u2Attr);
String g2 = fastGetAttribute(SVGNames::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 = fastGetAttribute(SVGNames::kAttr).string().toFloat();
kerningMap.insert(kerningPair);
}
}
}
#endif // ENABLE(SVG_FONTS)
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