1 /* 2 * Copyright (C) 2004, 2005, 2007, 2008 Nikolas Zimmermann <zimmermann (at) kde.org> 3 * Copyright (C) 2004, 2005, 2006 Rob Buis <buis (at) kde.org> 4 * 5 * This library is free software; you can redistribute it and/or 6 * modify it under the terms of the GNU Library General Public 7 * License as published by the Free Software Foundation; either 8 * version 2 of the License, or (at your option) any later version. 9 * 10 * This library is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 * Library General Public License for more details. 14 * 15 * You should have received a copy of the GNU Library General Public License 16 * along with this library; see the file COPYING.LIB. If not, write to 17 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 18 * Boston, MA 02110-1301, USA. 19 */ 20 21 #include "config.h" 22 23 #include "core/svg/SVGGElement.h" 24 25 #include "core/SVGNames.h" 26 #include "core/rendering/svg/RenderSVGHiddenContainer.h" 27 #include "core/rendering/svg/RenderSVGResource.h" 28 #include "core/rendering/svg/RenderSVGTransformableContainer.h" 29 30 namespace blink { 31 32 inline SVGGElement::SVGGElement(Document& document, ConstructionType constructionType) 33 : SVGGraphicsElement(SVGNames::gTag, document, constructionType) 34 { 35 } 36 37 DEFINE_NODE_FACTORY(SVGGElement) 38 39 RenderObject* SVGGElement::createRenderer(RenderStyle* style) 40 { 41 // SVG 1.1 testsuite explicitely uses constructs like <g display="none"><linearGradient> 42 // We still have to create renderers for the <g> & <linearGradient> element, though the 43 // subtree may be hidden - we only want the resource renderers to exist so they can be 44 // referenced from somewhere else. 45 if (style->display() == NONE) 46 return new RenderSVGHiddenContainer(this); 47 48 return new RenderSVGTransformableContainer(this); 49 } 50 51 bool SVGGElement::rendererIsNeeded(const RenderStyle&) 52 { 53 // Unlike SVGElement::rendererIsNeeded(), we still create renderers, even if 54 // display is set to 'none' - which is special to SVG <g> container elements. 55 return parentOrShadowHostElement() && parentOrShadowHostElement()->isSVGElement(); 56 } 57 58 } 59
