SVGFEComponentTransferElement.cpp [plain text]
#include "config.h"
#include "SVGFEComponentTransferElement.h"
#include "ElementIterator.h"
#include "FilterEffect.h"
#include "SVGFEFuncAElement.h"
#include "SVGFEFuncBElement.h"
#include "SVGFEFuncGElement.h"
#include "SVGFEFuncRElement.h"
#include "SVGFilterBuilder.h"
#include "SVGNames.h"
namespace WebCore {
DEFINE_ANIMATED_STRING(SVGFEComponentTransferElement, SVGNames::inAttr, In1, in1)
BEGIN_REGISTER_ANIMATED_PROPERTIES(SVGFEComponentTransferElement)
REGISTER_LOCAL_ANIMATED_PROPERTY(in1)
REGISTER_PARENT_ANIMATED_PROPERTIES(SVGFilterPrimitiveStandardAttributes)
END_REGISTER_ANIMATED_PROPERTIES
inline SVGFEComponentTransferElement::SVGFEComponentTransferElement(const QualifiedName& tagName, Document& document)
: SVGFilterPrimitiveStandardAttributes(tagName, document)
{
ASSERT(hasTagName(SVGNames::feComponentTransferTag));
registerAnimatedPropertiesForSVGFEComponentTransferElement();
}
Ref<SVGFEComponentTransferElement> SVGFEComponentTransferElement::create(const QualifiedName& tagName, Document& document)
{
return adoptRef(*new SVGFEComponentTransferElement(tagName, document));
}
void SVGFEComponentTransferElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
{
if (name == SVGNames::inAttr) {
setIn1BaseValue(value);
return;
}
SVGFilterPrimitiveStandardAttributes::parseAttribute(name, value);
}
RefPtr<FilterEffect> SVGFEComponentTransferElement::build(SVGFilterBuilder* filterBuilder, Filter& filter)
{
FilterEffect* input1 = filterBuilder->getEffectById(in1());
if (!input1)
return nullptr;
ComponentTransferFunction red;
ComponentTransferFunction green;
ComponentTransferFunction blue;
ComponentTransferFunction alpha;
for (auto& child : childrenOfType<SVGElement>(*this)) {
if (is<SVGFEFuncRElement>(child))
red = downcast<SVGFEFuncRElement>(child).transferFunction();
else if (is<SVGFEFuncGElement>(child))
green = downcast<SVGFEFuncGElement>(child).transferFunction();
else if (is<SVGFEFuncBElement>(child))
blue = downcast<SVGFEFuncBElement>(child).transferFunction();
else if (is<SVGFEFuncAElement>(child))
alpha = downcast<SVGFEFuncAElement>(child).transferFunction();
}
RefPtr<FilterEffect> effect = FEComponentTransfer::create(filter, red, green, blue, alpha);
effect->inputEffects().append(input1);
return effect;
}
}