SVGFEMergeElement.cpp [plain text]
#include "config.h"
#if ENABLE(SVG) && ENABLE(FILTERS)
#include "SVGFEMergeElement.h"
#include "SVGFEMergeNodeElement.h"
#include "SVGResourceFilter.h"
namespace WebCore {
SVGFEMergeElement::SVGFEMergeElement(const QualifiedName& tagName, Document* doc)
: SVGFilterPrimitiveStandardAttributes(tagName, doc)
{
}
SVGFEMergeElement::~SVGFEMergeElement()
{
}
bool SVGFEMergeElement::build(SVGResourceFilter* filterResource)
{
Vector<RefPtr<FilterEffect> > mergeInputs;
for (Node* n = firstChild(); n != 0; n = n->nextSibling()) {
if (n->hasTagName(SVGNames::feMergeNodeTag)) {
FilterEffect* mergeEffect = filterResource->builder()->getEffectById(static_cast<SVGFEMergeNodeElement*>(n)->in1());
if (!mergeEffect)
return false;
mergeInputs.append(mergeEffect);
}
}
if (mergeInputs.isEmpty())
return false;
RefPtr<FilterEffect> effect = FEMerge::create(mergeInputs);
filterResource->addFilterEffect(this, effect.release());
return true;
}
}
#endif // ENABLE(SVG)