1 /* 2 Copyright (C) 2004, 2005, 2006, 2008 Nikolas Zimmermann <zimmermann (at) kde.org> 3 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 #if ENABLE(SVG) 24 #include "SVGCircleElement.h" 25 26 #include "FloatPoint.h" 27 #include "MappedAttribute.h" 28 #include "RenderPath.h" 29 #include "SVGLength.h" 30 #include "SVGNames.h" 31 32 namespace WebCore { 33 34 SVGCircleElement::SVGCircleElement(const QualifiedName& tagName, Document* doc) 35 : SVGStyledTransformableElement(tagName, doc) 36 , SVGTests() 37 , SVGLangSpace() 38 , SVGExternalResourcesRequired() 39 , m_cx(LengthModeWidth) 40 , m_cy(LengthModeHeight) 41 , m_r(LengthModeOther) 42 { 43 } 44 45 SVGCircleElement::~SVGCircleElement() 46 { 47 } 48 49 void SVGCircleElement::parseMappedAttribute(MappedAttribute* attr) 50 { 51 if (attr->name() == SVGNames::cxAttr) 52 setCxBaseValue(SVGLength(LengthModeWidth, attr->value())); 53 else if (attr->name() == SVGNames::cyAttr) 54 setCyBaseValue(SVGLength(LengthModeHeight, attr->value())); 55 else if (attr->name() == SVGNames::rAttr) { 56 setRBaseValue(SVGLength(LengthModeOther, attr->value())); 57 if (rBaseValue().value(this) < 0.0) 58 document()->accessSVGExtensions()->reportError("A negative value for circle <r> is not allowed"); 59 } else { 60 if (SVGTests::parseMappedAttribute(attr)) 61 return; 62 if (SVGLangSpace::parseMappedAttribute(attr)) 63 return; 64 if (SVGExternalResourcesRequired::parseMappedAttribute(attr)) 65 return; 66 SVGStyledTransformableElement::parseMappedAttribute(attr); 67 } 68 } 69 70 void SVGCircleElement::svgAttributeChanged(const QualifiedName& attrName) 71 { 72 SVGStyledTransformableElement::svgAttributeChanged(attrName); 73 74 if (!renderer()) 75 return; 76 77 if (attrName == SVGNames::cxAttr || attrName == SVGNames::cyAttr || 78 attrName == SVGNames::rAttr || 79 SVGTests::isKnownAttribute(attrName) || 80 SVGLangSpace::isKnownAttribute(attrName) || 81 SVGExternalResourcesRequired::isKnownAttribute(attrName) || 82 SVGStyledTransformableElement::isKnownAttribute(attrName)) 83 renderer()->setNeedsLayout(true); 84 } 85 86 void SVGCircleElement::synchronizeProperty(const QualifiedName& attrName) 87 { 88 SVGStyledTransformableElement::synchronizeProperty(attrName); 89 90 if (attrName == anyQName()) { 91 synchronizeCx(); 92 synchronizeCy(); 93 synchronizeR(); 94 synchronizeExternalResourcesRequired(); 95 return; 96 } 97 98 if (attrName == SVGNames::cxAttr) 99 synchronizeCx(); 100 else if (attrName == SVGNames::cyAttr) 101 synchronizeCy(); 102 else if (attrName == SVGNames::rAttr) 103 synchronizeR(); 104 else if (SVGExternalResourcesRequired::isKnownAttribute(attrName)) 105 synchronizeExternalResourcesRequired(); 106 } 107 108 Path SVGCircleElement::toPathData() const 109 { 110 return Path::createCircle(FloatPoint(cx().value(this), cy().value(this)), r().value(this)); 111 } 112 113 bool SVGCircleElement::hasRelativeValues() const 114 { 115 return (cx().isRelative() || cy().isRelative() || r().isRelative()); 116 } 117 118 } 119 120 #endif // ENABLE(SVG) 121