1 /* 2 * Copyright (C) 2004, 2005, 2006, 2008 Nikolas Zimmermann <zimmermann (at) kde.org> 3 * Copyright (C) 2004, 2005, 2006, 2007 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/SVGEllipseElement.h" 24 25 #include "core/rendering/svg/RenderSVGEllipse.h" 26 #include "core/rendering/svg/RenderSVGResource.h" 27 #include "core/svg/SVGLength.h" 28 29 namespace blink { 30 31 inline SVGEllipseElement::SVGEllipseElement(Document& document) 32 : SVGGeometryElement(SVGNames::ellipseTag, document) 33 , m_cx(SVGAnimatedLength::create(this, SVGNames::cxAttr, SVGLength::create(LengthModeWidth), AllowNegativeLengths)) 34 , m_cy(SVGAnimatedLength::create(this, SVGNames::cyAttr, SVGLength::create(LengthModeHeight), AllowNegativeLengths)) 35 , m_rx(SVGAnimatedLength::create(this, SVGNames::rxAttr, SVGLength::create(LengthModeWidth), ForbidNegativeLengths)) 36 , m_ry(SVGAnimatedLength::create(this, SVGNames::ryAttr, SVGLength::create(LengthModeHeight), ForbidNegativeLengths)) 37 { 38 addToPropertyMap(m_cx); 39 addToPropertyMap(m_cy); 40 addToPropertyMap(m_rx); 41 addToPropertyMap(m_ry); 42 } 43 44 DEFINE_NODE_FACTORY(SVGEllipseElement) 45 46 bool SVGEllipseElement::isSupportedAttribute(const QualifiedName& attrName) 47 { 48 DEFINE_STATIC_LOCAL(HashSet<QualifiedName>, supportedAttributes, ()); 49 if (supportedAttributes.isEmpty()) { 50 supportedAttributes.add(SVGNames::cxAttr); 51 supportedAttributes.add(SVGNames::cyAttr); 52 supportedAttributes.add(SVGNames::rxAttr); 53 supportedAttributes.add(SVGNames::ryAttr); 54 } 55 return supportedAttributes.contains<SVGAttributeHashTranslator>(attrName); 56 } 57 58 void SVGEllipseElement::parseAttribute(const QualifiedName& name, const AtomicString& value) 59 { 60 parseAttributeNew(name, value); 61 } 62 63 void SVGEllipseElement::svgAttributeChanged(const QualifiedName& attrName) 64 { 65 if (!isSupportedAttribute(attrName)) { 66 SVGGeometryElement::svgAttributeChanged(attrName); 67 return; 68 } 69 70 SVGElement::InvalidationGuard invalidationGuard(this); 71 72 bool isLengthAttribute = attrName == SVGNames::cxAttr 73 || attrName == SVGNames::cyAttr 74 || attrName == SVGNames::rxAttr 75 || attrName == SVGNames::ryAttr; 76 77 if (isLengthAttribute) 78 updateRelativeLengthsInformation(); 79 80 RenderSVGShape* renderer = toRenderSVGShape(this->renderer()); 81 if (!renderer) 82 return; 83 84 if (isLengthAttribute) { 85 renderer->setNeedsShapeUpdate(); 86 RenderSVGResource::markForLayoutAndParentResourceInvalidation(renderer); 87 return; 88 } 89 90 ASSERT_NOT_REACHED(); 91 } 92 93 bool SVGEllipseElement::selfHasRelativeLengths() const 94 { 95 return m_cx->currentValue()->isRelative() 96 || m_cy->currentValue()->isRelative() 97 || m_rx->currentValue()->isRelative() 98 || m_ry->currentValue()->isRelative(); 99 } 100 101 RenderObject* SVGEllipseElement::createRenderer(RenderStyle*) 102 { 103 return new RenderSVGEllipse(this); 104 } 105 106 } // namespace blink 107