diff -r 000000000000 -r 4f2f89ce4247 WebCore/svg/SVGCircleElement.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/svg/SVGCircleElement.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,140 @@
+/*
+    Copyright (C) 2004, 2005, 2006, 2008 Nikolas Zimmermann <zimmermann@kde.org>
+                  2004, 2005, 2006, 2007 Rob Buis <buis@kde.org>
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Library General Public
+    License as published by the Free Software Foundation; either
+    version 2 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Library General Public License for more details.
+
+    You should have received a copy of the GNU Library General Public License
+    along with this library; see the file COPYING.LIB.  If not, write to
+    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+    Boston, MA 02110-1301, USA.
+*/
+
+#include "config.h"
+
+#if ENABLE(SVG)
+#include "SVGCircleElement.h"
+
+#include "Attribute.h"
+#include "FloatPoint.h"
+#include "RenderPath.h"
+#include "RenderSVGResource.h"
+#include "SVGLength.h"
+#include "SVGNames.h"
+
+namespace WebCore {
+
+SVGCircleElement::SVGCircleElement(const QualifiedName& tagName, Document* doc)
+    : SVGStyledTransformableElement(tagName, doc)
+    , SVGTests()
+    , SVGLangSpace()
+    , SVGExternalResourcesRequired()
+    , m_cx(LengthModeWidth)
+    , m_cy(LengthModeHeight)
+    , m_r(LengthModeOther)
+{
+}
+
+SVGCircleElement::~SVGCircleElement()
+{
+}
+
+void SVGCircleElement::parseMappedAttribute(Attribute* attr)
+{
+    if (attr->name() == SVGNames::cxAttr)
+        setCxBaseValue(SVGLength(LengthModeWidth, attr->value()));       
+    else if (attr->name() == SVGNames::cyAttr)
+        setCyBaseValue(SVGLength(LengthModeHeight, attr->value()));
+    else if (attr->name() == SVGNames::rAttr) {
+        setRBaseValue(SVGLength(LengthModeOther, attr->value()));
+        if (rBaseValue().value(this) < 0.0)
+            document()->accessSVGExtensions()->reportError("A negative value for circle <r> is not allowed");
+    } else {
+        if (SVGTests::parseMappedAttribute(attr))
+            return;
+        if (SVGLangSpace::parseMappedAttribute(attr))
+            return;
+        if (SVGExternalResourcesRequired::parseMappedAttribute(attr))
+            return;
+        SVGStyledTransformableElement::parseMappedAttribute(attr);
+    }
+}
+
+void SVGCircleElement::svgAttributeChanged(const QualifiedName& attrName)
+{
+    SVGStyledTransformableElement::svgAttributeChanged(attrName);
+
+    bool isLengthAttribute = attrName == SVGNames::cxAttr
+                          || attrName == SVGNames::cyAttr
+                          || attrName == SVGNames::rAttr;
+
+    if (isLengthAttribute)
+        updateRelativeLengthsInformation();
+
+    RenderPath* renderer = static_cast<RenderPath*>(this->renderer());
+    if (!renderer)
+        return;
+
+    if (SVGStyledTransformableElement::isKnownAttribute(attrName)) {
+        renderer->setNeedsTransformUpdate();
+        RenderSVGResource::markForLayoutAndParentResourceInvalidation(renderer);
+        return;
+    }
+
+    if (isLengthAttribute) {
+        renderer->setNeedsPathUpdate();
+        RenderSVGResource::markForLayoutAndParentResourceInvalidation(renderer);
+        return;
+    }
+
+    if (SVGTests::isKnownAttribute(attrName)
+        || SVGLangSpace::isKnownAttribute(attrName)
+        || SVGExternalResourcesRequired::isKnownAttribute(attrName))
+        RenderSVGResource::markForLayoutAndParentResourceInvalidation(renderer);
+}
+
+void SVGCircleElement::synchronizeProperty(const QualifiedName& attrName)
+{
+    SVGStyledTransformableElement::synchronizeProperty(attrName);
+
+    if (attrName == anyQName()) {
+        synchronizeCx();
+        synchronizeCy();
+        synchronizeR();
+        synchronizeExternalResourcesRequired();
+        return;
+    }
+
+    if (attrName == SVGNames::cxAttr)
+        synchronizeCx();
+    else if (attrName == SVGNames::cyAttr)
+        synchronizeCy();
+    else if (attrName == SVGNames::rAttr)
+        synchronizeR();
+    else if (SVGExternalResourcesRequired::isKnownAttribute(attrName))
+        synchronizeExternalResourcesRequired();
+}
+
+Path SVGCircleElement::toPathData() const
+{
+    return Path::createCircle(FloatPoint(cx().value(this), cy().value(this)), r().value(this));
+}
+
+bool SVGCircleElement::selfHasRelativeLengths() const
+{
+    return cx().isRelative()
+        || cy().isRelative()
+        || r().isRelative();
+}
+ 
+}
+
+#endif // ENABLE(SVG)