SVGFEImageElement.cpp [plain text]
#include "config.h"
#if SVG_SUPPORT
#include "SVGFEImageElement.h"
#include "Attr.h"
#include "CachedImage.h"
#include "DocLoader.h"
#include "Document.h"
#include "KCanvasRenderingStyle.h"
#include "KCanvasRenderingStyle.h"
#include "SVGAnimatedLength.h"
#include "SVGAnimatedPreserveAspectRatio.h"
#include "SVGAnimatedString.h"
#include "SVGHelper.h"
#include "SVGNames.h"
#include <kcanvas/KCanvasCreator.h>
#include <kcanvas/KCanvasImage.h>
#include <kcanvas/device/KRenderingDevice.h>
#include <kcanvas/device/KRenderingFillPainter.h>
using namespace WebCore;
SVGFEImageElement::SVGFEImageElement(const QualifiedName& tagName, Document *doc)
: SVGFilterPrimitiveStandardAttributes(tagName, doc), SVGURIReference(), SVGLangSpace(), SVGExternalResourcesRequired()
{
m_filterEffect = 0;
m_cachedImage = 0;
}
SVGFEImageElement::~SVGFEImageElement()
{
delete m_filterEffect;
if (m_cachedImage)
m_cachedImage->deref(this);
}
SVGAnimatedPreserveAspectRatio *SVGFEImageElement::preserveAspectRatio() const
{
return lazy_create<SVGAnimatedPreserveAspectRatio>(m_preserveAspectRatio, this);
}
void SVGFEImageElement::parseMappedAttribute(MappedAttribute *attr)
{
const String& value = attr->value();
if (attr->name() == SVGNames::preserveAspectRatioAttr)
preserveAspectRatio()->baseVal()->parsePreserveAspectRatio(value.impl());
else
{
if (SVGURIReference::parseMappedAttribute(attr)) {
if (m_cachedImage)
m_cachedImage->deref(this);
m_cachedImage = ownerDocument()->docLoader()->requestImage(href()->baseVal());
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);
}
KCanvasFEImage *SVGFEImageElement::filterEffect() const
{
if (!m_filterEffect)
m_filterEffect = static_cast<KCanvasFEImage *>(renderingDevice()->createFilterEffect(FE_IMAGE));
if (!m_filterEffect)
return 0;
setStandardAttributes(m_filterEffect);
return m_filterEffect;
}
#endif // SVG_SUPPORT