1/* 2 * Copyright (C) Research In Motion Limited 2010. All rights reserved. 3 * 4 * This library is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU Library General Public 6 * License as published by the Free Software Foundation; either 7 * version 2 of the License, or (at your option) any later version. 8 * 9 * This library is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 * Library General Public License for more details. 13 * 14 * You should have received a copy of the GNU Library General Public License 15 * along with this library; see the file COPYING.LIB. If not, write to 16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 17 * Boston, MA 02110-1301, USA. 18 */ 19 20#include "config.h" 21 22#if ENABLE(SVG_FONTS) 23#include "SVGVKernElement.h" 24 25#include "SVGFontElement.h" 26#include "SVGFontFaceElement.h" 27#include "SVGNames.h" 28#include "SVGParserUtilities.h" 29 30namespace WebCore { 31 32inline SVGVKernElement::SVGVKernElement(const QualifiedName& tagName, Document& document) 33 : SVGElement(tagName, document) 34{ 35 ASSERT(hasTagName(SVGNames::vkernTag)); 36} 37 38PassRefPtr<SVGVKernElement> SVGVKernElement::create(const QualifiedName& tagName, Document& document) 39{ 40 return adoptRef(new SVGVKernElement(tagName, document)); 41} 42 43Node::InsertionNotificationRequest SVGVKernElement::insertedInto(ContainerNode& rootParent) 44{ 45 if (rootParent.inDocument()) { 46 ContainerNode* fontNode = parentNode(); 47 if (fontNode && isSVGFontElement(fontNode)) 48 toSVGFontElement(fontNode)->invalidateGlyphCache(); 49 } 50 51 return SVGElement::insertedInto(rootParent); 52} 53 54void SVGVKernElement::removedFrom(ContainerNode& rootParent) 55{ 56 ContainerNode* fontNode = parentNode(); 57 if (fontNode && isSVGFontElement(fontNode)) 58 toSVGFontElement(fontNode)->invalidateGlyphCache(); 59 60 SVGElement::removedFrom(rootParent); 61} 62 63void SVGVKernElement::buildVerticalKerningPair(SVGKerningMap& kerningMap) 64{ 65 String u1 = fastGetAttribute(SVGNames::u1Attr); 66 String g1 = fastGetAttribute(SVGNames::g1Attr); 67 String u2 = fastGetAttribute(SVGNames::u2Attr); 68 String g2 = fastGetAttribute(SVGNames::g2Attr); 69 if ((u1.isEmpty() && g1.isEmpty()) || (u2.isEmpty() && g2.isEmpty())) 70 return; 71 72 SVGKerningPair kerningPair; 73 if (parseGlyphName(g1, kerningPair.glyphName1) 74 && parseGlyphName(g2, kerningPair.glyphName2) 75 && parseKerningUnicodeString(u1, kerningPair.unicodeRange1, kerningPair.unicodeName1) 76 && parseKerningUnicodeString(u2, kerningPair.unicodeRange2, kerningPair.unicodeName2)) { 77 kerningPair.kerning = fastGetAttribute(SVGNames::kAttr).string().toFloat(); 78 kerningMap.insert(kerningPair); 79 } 80} 81 82} 83 84#endif // ENABLE(SVG_FONTS) 85