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 "SVGFontData.h" 28#include "SVGFontElement.h" 29#include "SVGFontFaceElement.h" 30#include "SVGNames.h" 31#include "SimpleFontData.h" 32#include "XMLNames.h" 33 34namespace WebCore { 35 36using namespace SVGNames; 37 38inline SVGHKernElement::SVGHKernElement(const QualifiedName& tagName, Document* document) 39 : SVGElement(tagName, document) 40{ 41} 42 43PassRefPtr<SVGHKernElement> SVGHKernElement::create(const QualifiedName& tagName, Document* document) 44{ 45 return adoptRef(new SVGHKernElement(tagName, document)); 46} 47 48void SVGHKernElement::insertedIntoDocument() 49{ 50 ContainerNode* fontNode = parentNode(); 51 if (fontNode && fontNode->hasTagName(SVGNames::fontTag)) { 52 if (SVGFontElement* element = static_cast<SVGFontElement*>(fontNode)) 53 element->invalidateGlyphCache(); 54 } 55 SVGElement::insertedIntoDocument(); 56} 57 58void SVGHKernElement::removedFromDocument() 59{ 60 ContainerNode* fontNode = parentNode(); 61 if (fontNode && fontNode->hasTagName(SVGNames::fontTag)) { 62 if (SVGFontElement* element = static_cast<SVGFontElement*>(fontNode)) 63 element->invalidateGlyphCache(); 64 } 65 SVGElement::removedFromDocument(); 66} 67 68void SVGHKernElement::buildHorizontalKerningPair(KerningPairVector& kerningPairs) 69{ 70 String u1 = getAttribute(u1Attr); 71 String g1 = getAttribute(g1Attr); 72 String u2 = getAttribute(u2Attr); 73 String g2 = getAttribute(g2Attr); 74 if ((u1.isEmpty() && g1.isEmpty()) || (u2.isEmpty() && g2.isEmpty())) 75 return; 76 77 SVGKerningPair kerningPair; 78 if (parseGlyphName(g1, kerningPair.glyphName1) 79 && parseGlyphName(g2, kerningPair.glyphName2) 80 && parseKerningUnicodeString(u1, kerningPair.unicodeRange1, kerningPair.unicodeName1) 81 && parseKerningUnicodeString(u2, kerningPair.unicodeRange2, kerningPair.unicodeName2)) { 82 kerningPair.kerning = getAttribute(kAttr).string().toFloat(); 83 kerningPairs.append(kerningPair); 84 } 85} 86 87} 88 89#endif // ENABLE(SVG_FONTS) 90