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/*
Copyright (C) 2004, 2005, 2006, 2008 Nikolas Zimmermann <zimmermann@kde.org>
2004, 2005, 2006, 2007 Rob Buis <buis@kde.org>
This file is part of the KDE project
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 "FloatPoint.h"
#include "MappedAttribute.h"
#include "RenderPath.h"
#include "SVGLength.h"
#include "SVGNames.h"
namespace WebCore {
SVGCircleElement::SVGCircleElement(const QualifiedName& tagName, Document* doc)
: SVGStyledTransformableElement(tagName, doc)
, SVGTests()
, SVGLangSpace()
, SVGExternalResourcesRequired()
, m_cx(this, SVGNames::cxAttr, LengthModeWidth)
, m_cy(this, SVGNames::cyAttr, LengthModeHeight)
, m_r(this, SVGNames::rAttr, LengthModeOther)
{
}
SVGCircleElement::~SVGCircleElement()
{
}
void SVGCircleElement::parseMappedAttribute(MappedAttribute* 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);
if (!renderer())
return;
if (attrName == SVGNames::cxAttr || attrName == SVGNames::cyAttr ||
attrName == SVGNames::rAttr ||
SVGTests::isKnownAttribute(attrName) ||
SVGLangSpace::isKnownAttribute(attrName) ||
SVGExternalResourcesRequired::isKnownAttribute(attrName) ||
SVGStyledTransformableElement::isKnownAttribute(attrName))
renderer()->setNeedsLayout(true);
}
Path SVGCircleElement::toPathData() const
{
return Path::createCircle(FloatPoint(cx().value(this), cy().value(this)), r().value(this));
}
bool SVGCircleElement::hasRelativeValues() const
{
return (cx().isRelative() || cy().isRelative() || r().isRelative());
}
}
#endif // ENABLE(SVG)
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