1/* 2 * Copyright (C) 2007 Eric Seidel <eric@webkit.org> 3 * Copyright (C) 2007, 2008 Nikolas Zimmermann <zimmermann@kde.org> 4 * Copyright (C) 2008 Eric Seidel <eric@webkit.org> 5 * 6 * This library is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU Library General Public 8 * License as published by the Free Software Foundation; either 9 * version 2 of the License, or (at your option) any later version. 10 * 11 * This library is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * Library General Public License for more details. 15 * 16 * You should have received a copy of the GNU Library General Public License 17 * along with this library; see the file COPYING.LIB. If not, write to 18 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 19 * Boston, MA 02110-1301, USA. 20 */ 21 22#include "config.h" 23 24#if ENABLE(SVG_FONTS) 25#include "SVGHKernElement.h" 26 27#include "SVGFontElement.h" 28#include "SVGFontFaceElement.h" 29#include "SVGNames.h" 30 31namespace WebCore { 32 33inline SVGHKernElement::SVGHKernElement(const QualifiedName& tagName, Document* document) 34 : SVGElement(tagName, document) 35{ 36 ASSERT(hasTagName(SVGNames::hkernTag)); 37} 38 39PassRefPtr<SVGHKernElement> SVGHKernElement::create(const QualifiedName& tagName, Document* document) 40{ 41 return adoptRef(new SVGHKernElement(tagName, document)); 42} 43 44Node::InsertionNotificationRequest SVGHKernElement::insertedInto(ContainerNode* rootParent) 45{ 46 ContainerNode* fontNode = parentNode(); 47 if (fontNode && fontNode->hasTagName(SVGNames::fontTag)) { 48 if (SVGFontElement* element = static_cast<SVGFontElement*>(fontNode)) 49 element->invalidateGlyphCache(); 50 } 51 52 return SVGElement::insertedInto(rootParent); 53} 54 55void SVGHKernElement::removedFrom(ContainerNode* rootParent) 56{ 57 ContainerNode* fontNode = parentNode(); 58 if (fontNode && fontNode->hasTagName(SVGNames::fontTag)) { 59 if (SVGFontElement* element = static_cast<SVGFontElement*>(fontNode)) 60 element->invalidateGlyphCache(); 61 } 62 63 SVGElement::removedFrom(rootParent); 64} 65 66void SVGHKernElement::buildHorizontalKerningPair(KerningPairVector& kerningPairs) 67{ 68 String u1 = fastGetAttribute(SVGNames::u1Attr); 69 String g1 = fastGetAttribute(SVGNames::g1Attr); 70 String u2 = fastGetAttribute(SVGNames::u2Attr); 71 String g2 = fastGetAttribute(SVGNames::g2Attr); 72 if ((u1.isEmpty() && g1.isEmpty()) || (u2.isEmpty() && g2.isEmpty())) 73 return; 74 75 SVGKerningPair kerningPair; 76 if (parseGlyphName(g1, kerningPair.glyphName1) 77 && parseGlyphName(g2, kerningPair.glyphName2) 78 && parseKerningUnicodeString(u1, kerningPair.unicodeRange1, kerningPair.unicodeName1) 79 && parseKerningUnicodeString(u2, kerningPair.unicodeRange2, kerningPair.unicodeName2)) { 80 kerningPair.kerning = fastGetAttribute(SVGNames::kAttr).string().toFloat(); 81 kerningPairs.append(kerningPair); 82 } 83} 84 85} 86 87#endif // ENABLE(SVG_FONTS) 88