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/*
* Copyright (C) 2004, 2005, 2006, 2008 Nikolas Zimmermann <zimmermann@kde.org>
* Copyright (C) 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 "RenderSVGPath.h"
#include "RenderSVGResource.h"
#include "SVGLength.h"
#include "SVGNames.h"
namespace WebCore {
// Animated property definitions
DEFINE_ANIMATED_LENGTH(SVGCircleElement, SVGNames::cxAttr, Cx, cx)
DEFINE_ANIMATED_LENGTH(SVGCircleElement, SVGNames::cyAttr, Cy, cy)
DEFINE_ANIMATED_LENGTH(SVGCircleElement, SVGNames::rAttr, R, r)
DEFINE_ANIMATED_BOOLEAN(SVGCircleElement, SVGNames::externalResourcesRequiredAttr, ExternalResourcesRequired, externalResourcesRequired)
inline SVGCircleElement::SVGCircleElement(const QualifiedName& tagName, Document* document)
: SVGStyledTransformableElement(tagName, document)
, m_cx(LengthModeWidth)
, m_cy(LengthModeHeight)
, m_r(LengthModeOther)
{
}
PassRefPtr<SVGCircleElement> SVGCircleElement::create(const QualifiedName& tagName, Document* document)
{
return adoptRef(new SVGCircleElement(tagName, document));
}
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();
if (SVGTests::handleAttributeChange(this, attrName))
return;
RenderSVGPath* renderer = static_cast<RenderSVGPath*>(this->renderer());
if (!renderer)
return;
if (isLengthAttribute) {
renderer->setNeedsPathUpdate();
RenderSVGResource::markForLayoutAndParentResourceInvalidation(renderer);
return;
}
if (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();
SVGTests::synchronizeProperties(this, attrName);
return;
}
if (attrName == SVGNames::cxAttr)
synchronizeCx();
else if (attrName == SVGNames::cyAttr)
synchronizeCy();
else if (attrName == SVGNames::rAttr)
synchronizeR();
else if (SVGExternalResourcesRequired::isKnownAttribute(attrName))
synchronizeExternalResourcesRequired();
else if (SVGTests::isKnownAttribute(attrName))
SVGTests::synchronizeProperties(this, attrName);
}
AttributeToPropertyTypeMap& SVGCircleElement::attributeToPropertyTypeMap()
{
DEFINE_STATIC_LOCAL(AttributeToPropertyTypeMap, s_attributeToPropertyTypeMap, ());
return s_attributeToPropertyTypeMap;
}
void SVGCircleElement::fillAttributeToPropertyTypeMap()
{
AttributeToPropertyTypeMap& attributeToPropertyTypeMap = this->attributeToPropertyTypeMap();
SVGStyledTransformableElement::fillPassedAttributeToPropertyTypeMap(attributeToPropertyTypeMap);
attributeToPropertyTypeMap.set(SVGNames::cxAttr, AnimatedLength);
attributeToPropertyTypeMap.set(SVGNames::cyAttr, AnimatedLength);
attributeToPropertyTypeMap.set(SVGNames::rAttr, AnimatedLength);
}
void SVGCircleElement::toPathData(Path& path) const
{
ASSERT(path.isEmpty());
float radius = r().value(this);
if (radius <= 0)
return;
path.addEllipse(FloatRect(cx().value(this) - radius, cy().value(this) - radius, radius * 2, radius * 2));
}
bool SVGCircleElement::selfHasRelativeLengths() const
{
return cx().isRelative()
|| cy().isRelative()
|| r().isRelative();
}
}
#endif // ENABLE(SVG)