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