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