SVGFEImageElement.cpp [plain text]
#include "config.h"
#if ENABLE(SVG) && ENABLE(SVG_EXPERIMENTAL_FEATURES)
#include "SVGFEImageElement.h"
#include "Attr.h"
#include "CachedImage.h"
#include "DocLoader.h"
#include "Document.h"
#include "SVGLength.h"
#include "SVGNames.h"
#include "SVGPreserveAspectRatio.h"
#include "SVGResourceFilter.h"
namespace WebCore {
SVGFEImageElement::SVGFEImageElement(const QualifiedName& tagName, Document* doc)
: SVGFilterPrimitiveStandardAttributes(tagName, doc)
, SVGURIReference()
, SVGLangSpace()
, SVGExternalResourcesRequired()
, m_preserveAspectRatio(new SVGPreserveAspectRatio(this))
, m_cachedImage(0)
, m_filterEffect(0)
{
}
SVGFEImageElement::~SVGFEImageElement()
{
delete m_filterEffect;
if (m_cachedImage)
m_cachedImage->deref(this);
}
ANIMATED_PROPERTY_DEFINITIONS(SVGFEImageElement, SVGPreserveAspectRatio*, PreserveAspectRatio, preserveAspectRatio, PreserveAspectRatio, preserveAspectRatio, SVGNames::preserveAspectRatioAttr.localName(), m_preserveAspectRatio.get())
void SVGFEImageElement::parseMappedAttribute(MappedAttribute* attr)
{
const String& value = attr->value();
if (attr->name() == SVGNames::preserveAspectRatioAttr)
preserveAspectRatioBaseValue()->parsePreserveAspectRatio(value);
else {
if (SVGURIReference::parseMappedAttribute(attr)) {
if (!href().startsWith("#")) {
if (m_cachedImage)
m_cachedImage->deref(this);
m_cachedImage = ownerDocument()->docLoader()->requestImage(href());
if (m_cachedImage)
m_cachedImage->ref(this);
}
return;
}
if (SVGLangSpace::parseMappedAttribute(attr))
return;
if (SVGExternalResourcesRequired::parseMappedAttribute(attr))
return;
SVGFilterPrimitiveStandardAttributes::parseMappedAttribute(attr);
}
}
void SVGFEImageElement::notifyFinished(CachedResource* finishedObj)
{
if (finishedObj == m_cachedImage && filterEffect())
filterEffect()->setCachedImage(m_cachedImage);
}
SVGFEImage* SVGFEImageElement::filterEffect() const
{
if (!m_filterEffect)
m_filterEffect = static_cast<SVGFEImage*>(SVGResourceFilter::createFilterEffect(FE_IMAGE));
if (!m_filterEffect)
return 0;
setStandardAttributes(m_filterEffect);
return m_filterEffect;
}
}
#endif // ENABLE(SVG)