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 "core/svg/SVGVKernElement.h" 24 25#include "core/svg/SVGParserUtilities.h" 26 27namespace WebCore { 28 29inline SVGVKernElement::SVGVKernElement(Document& document) 30 : SVGElement(SVGNames::vkernTag, document) 31{ 32 ScriptWrappable::init(this); 33} 34 35PassRefPtr<SVGVKernElement> SVGVKernElement::create(Document& document) 36{ 37 return adoptRef(new SVGVKernElement(document)); 38} 39 40Node::InsertionNotificationRequest SVGVKernElement::insertedInto(ContainerNode* rootParent) 41{ 42 if (rootParent->inDocument()) { 43 ContainerNode* fontNode = parentNode(); 44 if (fontNode && fontNode->hasTagName(SVGNames::fontTag)) 45 toSVGFontElement(fontNode)->invalidateGlyphCache(); 46 } 47 48 return SVGElement::insertedInto(rootParent); 49} 50 51void SVGVKernElement::removedFrom(ContainerNode* rootParent) 52{ 53 ContainerNode* fontNode = parentNode(); 54 if (fontNode && fontNode->hasTagName(SVGNames::fontTag)) 55 toSVGFontElement(fontNode)->invalidateGlyphCache(); 56 57 SVGElement::removedFrom(rootParent); 58} 59 60void SVGVKernElement::buildVerticalKerningPair(KerningPairVector& kerningPairs) 61{ 62 String u1 = fastGetAttribute(SVGNames::u1Attr); 63 String g1 = fastGetAttribute(SVGNames::g1Attr); 64 String u2 = fastGetAttribute(SVGNames::u2Attr); 65 String g2 = fastGetAttribute(SVGNames::g2Attr); 66 if ((u1.isEmpty() && g1.isEmpty()) || (u2.isEmpty() && g2.isEmpty())) 67 return; 68 69 SVGKerningPair kerningPair; 70 if (parseGlyphName(g1, kerningPair.glyphName1) 71 && parseGlyphName(g2, kerningPair.glyphName2) 72 && parseKerningUnicodeString(u1, kerningPair.unicodeRange1, kerningPair.unicodeName1) 73 && parseKerningUnicodeString(u2, kerningPair.unicodeRange2, kerningPair.unicodeName2)) { 74 kerningPair.kerning = fastGetAttribute(SVGNames::kAttr).string().toFloat(); 75 kerningPairs.append(kerningPair); 76 } 77} 78 79} 80 81#endif // ENABLE(SVG_FONTS) 82