SVGLineElement.cpp [plain text]
#include "config.h"
#include "SVGLineElement.h"
#include "RenderSVGResource.h"
#include "SVGLengthValue.h"
#include <wtf/IsoMallocInlines.h>
namespace WebCore {
WTF_MAKE_ISO_ALLOCATED_IMPL(SVGLineElement);
inline SVGLineElement::SVGLineElement(const QualifiedName& tagName, Document& document)
: SVGGeometryElement(tagName, document)
, SVGExternalResourcesRequired(this)
{
ASSERT(hasTagName(SVGNames::lineTag));
registerAttributes();
}
Ref<SVGLineElement> SVGLineElement::create(const QualifiedName& tagName, Document& document)
{
return adoptRef(*new SVGLineElement(tagName, document));
}
void SVGLineElement::registerAttributes()
{
auto& registry = attributeRegistry();
if (!registry.isEmpty())
return;
registry.registerAttribute<SVGNames::x1Attr, &SVGLineElement::m_x1>();
registry.registerAttribute<SVGNames::y1Attr, &SVGLineElement::m_y1>();
registry.registerAttribute<SVGNames::x2Attr, &SVGLineElement::m_x2>();
registry.registerAttribute<SVGNames::y2Attr, &SVGLineElement::m_y2>();
}
void SVGLineElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
{
SVGParsingError parseError = NoError;
if (name == SVGNames::x1Attr)
m_x1.setValue(SVGLengthValue::construct(LengthModeWidth, value, parseError));
else if (name == SVGNames::y1Attr)
m_y1.setValue(SVGLengthValue::construct(LengthModeHeight, value, parseError));
else if (name == SVGNames::x2Attr)
m_x2.setValue(SVGLengthValue::construct(LengthModeWidth, value, parseError));
else if (name == SVGNames::y2Attr)
m_y2.setValue(SVGLengthValue::construct(LengthModeHeight, value, parseError));
reportAttributeParsingError(parseError, name, value);
SVGGeometryElement::parseAttribute(name, value);
SVGExternalResourcesRequired::parseAttribute(name, value);
}
void SVGLineElement::svgAttributeChanged(const QualifiedName& attrName)
{
if (isKnownAttribute(attrName)) {
InstanceInvalidationGuard guard(*this);
updateRelativeLengthsInformation();
if (auto* renderer = downcast<RenderSVGShape>(this->renderer())) {
renderer->setNeedsShapeUpdate();
RenderSVGResource::markForLayoutAndParentResourceInvalidation(*renderer);
}
return;
}
SVGGeometryElement::svgAttributeChanged(attrName);
SVGExternalResourcesRequired::svgAttributeChanged(attrName);
}
bool SVGLineElement::selfHasRelativeLengths() const
{
return x1().isRelative()
|| y1().isRelative()
|| x2().isRelative()
|| y2().isRelative();
}
}