SVGEllipseElement.cpp [plain text]
#include "config.h"
#if ENABLE(SVG)
#include "SVGEllipseElement.h"
#include "FloatPoint.h"
#include "MappedAttribute.h"
#include "RenderPath.h"
#include "SVGLength.h"
#include "SVGNames.h"
namespace WebCore {
SVGEllipseElement::SVGEllipseElement(const QualifiedName& tagName, Document* doc)
: SVGStyledTransformableElement(tagName, doc)
, SVGTests()
, SVGLangSpace()
, SVGExternalResourcesRequired()
, m_cx(LengthModeWidth)
, m_cy(LengthModeHeight)
, m_rx(LengthModeWidth)
, m_ry(LengthModeHeight)
{
}
SVGEllipseElement::~SVGEllipseElement()
{
}
void SVGEllipseElement::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::rxAttr) {
setRxBaseValue(SVGLength(LengthModeWidth, attr->value()));
if (rxBaseValue().value(this) < 0.0)
document()->accessSVGExtensions()->reportError("A negative value for ellipse <rx> is not allowed");
} else if (attr->name() == SVGNames::ryAttr) {
setRyBaseValue(SVGLength(LengthModeHeight, attr->value()));
if (ryBaseValue().value(this) < 0.0)
document()->accessSVGExtensions()->reportError("A negative value for ellipse <ry> is not allowed");
} else {
if (SVGTests::parseMappedAttribute(attr))
return;
if (SVGLangSpace::parseMappedAttribute(attr))
return;
if (SVGExternalResourcesRequired::parseMappedAttribute(attr))
return;
SVGStyledTransformableElement::parseMappedAttribute(attr);
}
}
void SVGEllipseElement::svgAttributeChanged(const QualifiedName& attrName)
{
SVGStyledTransformableElement::svgAttributeChanged(attrName);
RenderPath* renderer = static_cast<RenderPath*>(this->renderer());
if (!renderer)
return;
if (SVGStyledTransformableElement::isKnownAttribute(attrName)) {
renderer->setNeedsTransformUpdate();
renderer->setNeedsLayout(true);
return;
}
if (attrName == SVGNames::cxAttr
|| attrName == SVGNames::cyAttr
|| attrName == SVGNames::rxAttr
|| attrName == SVGNames::ryAttr) {
renderer->setNeedsPathUpdate();
renderer->setNeedsLayout(true);
return;
}
if (SVGTests::isKnownAttribute(attrName)
|| SVGLangSpace::isKnownAttribute(attrName)
|| SVGExternalResourcesRequired::isKnownAttribute(attrName))
renderer->setNeedsLayout(true);
}
void SVGEllipseElement::synchronizeProperty(const QualifiedName& attrName)
{
SVGStyledTransformableElement::synchronizeProperty(attrName);
if (attrName == anyQName()) {
synchronizeCx();
synchronizeCy();
synchronizeRx();
synchronizeRy();
synchronizeExternalResourcesRequired();
return;
}
if (attrName == SVGNames::cxAttr)
synchronizeCx();
else if (attrName == SVGNames::cyAttr)
synchronizeCy();
else if (attrName == SVGNames::rxAttr)
synchronizeRx();
else if (attrName == SVGNames::ryAttr)
synchronizeRy();
else if (SVGExternalResourcesRequired::isKnownAttribute(attrName))
synchronizeExternalResourcesRequired();
}
Path SVGEllipseElement::toPathData() const
{
return Path::createEllipse(FloatPoint(cx().value(this), cy().value(this)),
rx().value(this), ry().value(this));
}
bool SVGEllipseElement::hasRelativeValues() const
{
return (cx().isRelative() || cy().isRelative() ||
rx().isRelative() || ry().isRelative());
}
}
#endif // ENABLE(SVG)