| OLD | NEW |
|---|
| (Empty) |
| 1 /* | |
| 2 * Copyright (C) 2011 Leo Yang <leoyang@webkit.org> | |
| 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/SVGAltGlyphItemElement.h" | |
| 24 | |
| 25 #include "core/dom/ElementTraversal.h" | |
| 26 #include "core/svg/SVGGlyphRefElement.h" | |
| 27 | |
| 28 namespace blink { | |
| 29 | |
| 30 inline SVGAltGlyphItemElement::SVGAltGlyphItemElement(Document& document) | |
| 31 : SVGElement(SVGNames::altGlyphItemTag, document) | |
| 32 { | |
| 33 } | |
| 34 | |
| 35 DEFINE_NODE_FACTORY(SVGAltGlyphItemElement) | |
| 36 | |
| 37 bool SVGAltGlyphItemElement::hasValidGlyphElements(Vector<AtomicString>& glyphNa
mes) const | |
| 38 { | |
| 39 // Spec: http://www.w3.org/TR/SVG/text.html#AltGlyphItemElement | |
| 40 // The ‘altGlyphItem’ element defines a candidate set of possible glyph subs
titutions. | |
| 41 // The first ‘altGlyphItem’ element whose referenced glyphs are all availabl
e is chosen. | |
| 42 // Its glyphs are rendered instead of the character(s) that are inside of th
e referencing | |
| 43 // ‘altGlyph’ element. | |
| 44 // | |
| 45 // Here we fill glyphNames and return true only if all referenced glyphs are
valid and | |
| 46 // there is at least one glyph. | |
| 47 for (SVGGlyphRefElement* glyph = Traversal<SVGGlyphRefElement>::firstChild(*
this); glyph; glyph = Traversal<SVGGlyphRefElement>::nextSibling(*glyph)) { | |
| 48 AtomicString referredGlyphName; | |
| 49 if (glyph->hasValidGlyphElement(referredGlyphName)) { | |
| 50 glyphNames.append(referredGlyphName); | |
| 51 } else { | |
| 52 glyphNames.clear(); | |
| 53 return false; | |
| 54 } | |
| 55 } | |
| 56 return !glyphNames.isEmpty(); | |
| 57 } | |
| 58 | |
| 59 } | |
| 60 | |
| 61 #endif | |
| OLD | NEW |
|---|
Chromium Code Reviews
