| Torne (Richard Coles) | 53e740f | 2013-05-09 18:38:43 +0100 | [diff] [blame^] | 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 "SVGNames.h" |
| 26 | #include "core/svg/SVGFontElement.h" |
| 27 | #include "core/svg/SVGFontFaceElement.h" |
| 28 | |
| 29 | namespace WebCore { |
| 30 | |
| 31 | inline SVGVKernElement::SVGVKernElement(const QualifiedName& tagName, Document* document) |
| 32 | : SVGElement(tagName, document) |
| 33 | { |
| 34 | ASSERT(hasTagName(SVGNames::vkernTag)); |
| 35 | ScriptWrappable::init(this); |
| 36 | } |
| 37 | |
| 38 | PassRefPtr<SVGVKernElement> SVGVKernElement::create(const QualifiedName& tagName, Document* document) |
| 39 | { |
| 40 | return adoptRef(new SVGVKernElement(tagName, document)); |
| 41 | } |
| 42 | |
| 43 | Node::InsertionNotificationRequest SVGVKernElement::insertedInto(ContainerNode* rootParent) |
| 44 | { |
| 45 | if (rootParent->inDocument()) { |
| 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 | |
| 53 | return SVGElement::insertedInto(rootParent); |
| 54 | } |
| 55 | |
| 56 | void SVGVKernElement::removedFrom(ContainerNode* rootParent) |
| 57 | { |
| 58 | ContainerNode* fontNode = parentNode(); |
| 59 | if (fontNode && fontNode->hasTagName(SVGNames::fontTag)) { |
| 60 | if (SVGFontElement* element = static_cast<SVGFontElement*>(fontNode)) |
| 61 | element->invalidateGlyphCache(); |
| 62 | } |
| 63 | SVGElement::removedFrom(rootParent); |
| 64 | } |
| 65 | |
| 66 | void SVGVKernElement::buildVerticalKerningPair(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) |