SVGCircleElement.cpp [plain text]
#include "config.h"
#include "SVGCircleElement.h"
#include "Attribute.h"
#include "ExceptionCode.h"
#include "FloatPoint.h"
#include "RenderSVGEllipse.h"
#include "RenderSVGPath.h"
#include "RenderSVGResource.h"
#include "SVGElementInstance.h"
#include "SVGException.h"
#include "SVGLength.h"
#include "SVGNames.h"
#include <wtf/NeverDestroyed.h>
namespace WebCore {
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)
BEGIN_REGISTER_ANIMATED_PROPERTIES(SVGCircleElement)
REGISTER_LOCAL_ANIMATED_PROPERTY(cx)
REGISTER_LOCAL_ANIMATED_PROPERTY(cy)
REGISTER_LOCAL_ANIMATED_PROPERTY(r)
REGISTER_LOCAL_ANIMATED_PROPERTY(externalResourcesRequired)
REGISTER_PARENT_ANIMATED_PROPERTIES(SVGGraphicsElement)
END_REGISTER_ANIMATED_PROPERTIES
inline SVGCircleElement::SVGCircleElement(const QualifiedName& tagName, Document& document)
: SVGGraphicsElement(tagName, document)
, m_cx(LengthModeWidth)
, m_cy(LengthModeHeight)
, m_r(LengthModeOther)
{
ASSERT(hasTagName(SVGNames::circleTag));
registerAnimatedPropertiesForSVGCircleElement();
}
PassRefPtr<SVGCircleElement> SVGCircleElement::create(const QualifiedName& tagName, Document& document)
{
return adoptRef(new SVGCircleElement(tagName, document));
}
bool SVGCircleElement::isSupportedAttribute(const QualifiedName& attrName)
{
static NeverDestroyed<HashSet<QualifiedName>> supportedAttributes;
if (supportedAttributes.get().isEmpty()) {
SVGLangSpace::addSupportedAttributes(supportedAttributes);
SVGExternalResourcesRequired::addSupportedAttributes(supportedAttributes);
supportedAttributes.get().add(SVGNames::cxAttr);
supportedAttributes.get().add(SVGNames::cyAttr);
supportedAttributes.get().add(SVGNames::rAttr);
}
return supportedAttributes.get().contains<SVGAttributeHashTranslator>(attrName);
}
void SVGCircleElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
{
SVGParsingError parseError = NoError;
if (!isSupportedAttribute(name))
SVGGraphicsElement::parseAttribute(name, value);
else if (name == SVGNames::cxAttr)
setCxBaseValue(SVGLength::construct(LengthModeWidth, value, parseError));
else if (name == SVGNames::cyAttr)
setCyBaseValue(SVGLength::construct(LengthModeHeight, value, parseError));
else if (name == SVGNames::rAttr)
setRBaseValue(SVGLength::construct(LengthModeOther, value, parseError, ForbidNegativeLengths));
else if (SVGLangSpace::parseAttribute(name, value)
|| SVGExternalResourcesRequired::parseAttribute(name, value)) {
} else
ASSERT_NOT_REACHED();
reportAttributeParsingError(parseError, name, value);
}
void SVGCircleElement::svgAttributeChanged(const QualifiedName& attrName)
{
if (!isSupportedAttribute(attrName)) {
SVGGraphicsElement::svgAttributeChanged(attrName);
return;
}
SVGElementInstance::InvalidationGuard invalidationGuard(this);
bool isLengthAttribute = attrName == SVGNames::cxAttr
|| attrName == SVGNames::cyAttr
|| attrName == SVGNames::rAttr;
if (isLengthAttribute)
updateRelativeLengthsInformation();
RenderSVGShape* renderer = toRenderSVGShape(this->renderer());
if (!renderer)
return;
if (isLengthAttribute) {
renderer->setNeedsShapeUpdate();
RenderSVGResource::markForLayoutAndParentResourceInvalidation(*renderer);
return;
}
if (SVGLangSpace::isKnownAttribute(attrName) || SVGExternalResourcesRequired::isKnownAttribute(attrName)) {
RenderSVGResource::markForLayoutAndParentResourceInvalidation(*renderer);
return;
}
ASSERT_NOT_REACHED();
}
bool SVGCircleElement::selfHasRelativeLengths() const
{
return cx().isRelative()
|| cy().isRelative()
|| r().isRelative();
}
RenderPtr<RenderElement> SVGCircleElement::createElementRenderer(PassRef<RenderStyle> style)
{
return createRenderer<RenderSVGEllipse>(*this, WTF::move(style));
}
}