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