SVGFEMorphologyElement.cpp [plain text]
#include "config.h"
#if ENABLE(SVG) && ENABLE(FILTERS)
#include "SVGFEMorphologyElement.h"
#include "MappedAttribute.h"
#include "SVGNames.h"
#include "SVGParserUtilities.h"
namespace WebCore {
char SVGRadiusXAttrIdentifier[] = "SVGRadiusXAttr";
char SVGRadiusYAttrIdentifier[] = "SVGRadiusYAttr";
SVGFEMorphologyElement::SVGFEMorphologyElement(const QualifiedName& tagName, Document* document)
: SVGFilterPrimitiveStandardAttributes(tagName, document)
, m__operator(FEMORPHOLOGY_OPERATOR_ERODE)
{
}
SVGFEMorphologyElement::~SVGFEMorphologyElement()
{
}
void SVGFEMorphologyElement::setRadius(float, float)
{
}
void SVGFEMorphologyElement::parseMappedAttribute(MappedAttribute* attr)
{
const String& value = attr->value();
if (attr->name() == SVGNames::operatorAttr) {
if (value == "erode")
set_operatorBaseValue(FEMORPHOLOGY_OPERATOR_ERODE);
else if (value == "dilate")
set_operatorBaseValue(FEMORPHOLOGY_OPERATOR_DILATE);
} else if (attr->name() == SVGNames::inAttr)
setIn1BaseValue(value);
else if (attr->name() == SVGNames::radiusAttr) {
float x, y;
if (parseNumberOptionalNumber(value, x, y)) {
setRadiusXBaseValue(x);
setRadiusYBaseValue(y);
}
} else
SVGFilterPrimitiveStandardAttributes::parseMappedAttribute(attr);
}
void SVGFEMorphologyElement::synchronizeProperty(const QualifiedName& attrName)
{
SVGFilterPrimitiveStandardAttributes::synchronizeProperty(attrName);
if (attrName == anyQName()) {
synchronize_operator();
synchronizeIn1();
synchronizeRadiusX();
synchronizeRadiusY();
return;
}
if (attrName == SVGNames::operatorAttr)
synchronize_operator();
else if (attrName == SVGNames::inAttr)
synchronizeIn1();
else if (attrName == SVGNames::radiusAttr) {
synchronizeRadiusX();
synchronizeRadiusY();
}
}
PassRefPtr<FilterEffect> SVGFEMorphologyElement::build(SVGFilterBuilder* filterBuilder)
{
FilterEffect* input1 = filterBuilder->getEffectById(in1());
SVGAnimatedPropertyTraits<float>::ReturnType radX = radiusX(),
radY = radiusY();
if (!input1)
return 0;
if (radX < 0 || radY < 0)
return 0;
return FEMorphology::create(input1, static_cast<MorphologyOperatorType>(_operator()), radX, radY);
}
}
#endif // ENABLE(SVG)