mirror of
https://github.com/darlinghq/darling-WebCore.git
synced 2024-11-26 22:00:22 +00:00
89 lines
2.9 KiB
C++
89 lines
2.9 KiB
C++
/*
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* Copyright (C) 2007 Eric Seidel <eric@webkit.org>
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* Copyright (C) 2007, 2008 Nikolas Zimmermann <zimmermann@kde.org>
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* Copyright (C) 2008 Eric Seidel <eric@webkit.org>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public License
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* along with this library; see the file COPYING.LIB. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include "config.h"
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#include "SVGHKernElement.h"
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#include "SVGFontElement.h"
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#include "SVGFontFaceElement.h"
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#include "SVGNames.h"
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#include <wtf/IsoMallocInlines.h>
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namespace WebCore {
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WTF_MAKE_ISO_ALLOCATED_IMPL(SVGHKernElement);
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inline SVGHKernElement::SVGHKernElement(const QualifiedName& tagName, Document& document)
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: SVGElement(tagName, document)
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{
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ASSERT(hasTagName(SVGNames::hkernTag));
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}
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Ref<SVGHKernElement> SVGHKernElement::create(const QualifiedName& tagName, Document& document)
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{
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return adoptRef(*new SVGHKernElement(tagName, document));
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}
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Optional<SVGKerningPair> SVGHKernElement::buildHorizontalKerningPair() const
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{
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// FIXME: Can this be shared with SVGVKernElement::buildVerticalKerningPair?
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auto& u1 = attributeWithoutSynchronization(SVGNames::u1Attr);
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auto& g1 = attributeWithoutSynchronization(SVGNames::g1Attr);
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if (u1.isEmpty() && g1.isEmpty())
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return WTF::nullopt;
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auto& u2 = attributeWithoutSynchronization(SVGNames::u2Attr);
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auto& g2 = attributeWithoutSynchronization(SVGNames::g2Attr);
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if (u2.isEmpty() && g2.isEmpty())
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return WTF::nullopt;
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auto glyphName1 = parseGlyphName(g1);
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if (!glyphName1)
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return WTF::nullopt;
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auto glyphName2 = parseGlyphName(g2);
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if (!glyphName2)
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return WTF::nullopt;
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auto unicodeString1 = parseKerningUnicodeString(u1);
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if (!unicodeString1)
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return WTF::nullopt;
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auto unicodeString2 = parseKerningUnicodeString(u2);
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if (!unicodeString2)
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return WTF::nullopt;
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bool ok = false;
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auto kerning = attributeWithoutSynchronization(SVGNames::kAttr).string().toFloat(&ok);
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if (!ok)
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return WTF::nullopt;
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return SVGKerningPair {
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WTFMove(unicodeString1->first),
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WTFMove(unicodeString1->second),
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WTFMove(*glyphName1),
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WTFMove(unicodeString2->first),
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WTFMove(unicodeString2->second),
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WTFMove(*glyphName2),
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kerning
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};
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}
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}
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