SVGComponentTransferFunctionElement.cpp [plain text]
#include "config.h"
#include "SVGComponentTransferFunctionElement.h"
#include "SVGFEComponentTransferElement.h"
#include "SVGNames.h"
#include "SVGNumberListValues.h"
#include <wtf/NeverDestroyed.h>
namespace WebCore {
DEFINE_ANIMATED_ENUMERATION(SVGComponentTransferFunctionElement, SVGNames::typeAttr, Type, type, ComponentTransferType)
DEFINE_ANIMATED_NUMBER_LIST(SVGComponentTransferFunctionElement, SVGNames::tableValuesAttr, TableValues, tableValues)
DEFINE_ANIMATED_NUMBER(SVGComponentTransferFunctionElement, SVGNames::slopeAttr, Slope, slope)
DEFINE_ANIMATED_NUMBER(SVGComponentTransferFunctionElement, SVGNames::interceptAttr, Intercept, intercept)
DEFINE_ANIMATED_NUMBER(SVGComponentTransferFunctionElement, SVGNames::amplitudeAttr, Amplitude, amplitude)
DEFINE_ANIMATED_NUMBER(SVGComponentTransferFunctionElement, SVGNames::exponentAttr, Exponent, exponent)
DEFINE_ANIMATED_NUMBER(SVGComponentTransferFunctionElement, SVGNames::offsetAttr, Offset, offset)
BEGIN_REGISTER_ANIMATED_PROPERTIES(SVGComponentTransferFunctionElement)
REGISTER_LOCAL_ANIMATED_PROPERTY(type)
REGISTER_LOCAL_ANIMATED_PROPERTY(tableValues)
REGISTER_LOCAL_ANIMATED_PROPERTY(slope)
REGISTER_LOCAL_ANIMATED_PROPERTY(intercept)
REGISTER_LOCAL_ANIMATED_PROPERTY(amplitude)
REGISTER_LOCAL_ANIMATED_PROPERTY(exponent)
REGISTER_LOCAL_ANIMATED_PROPERTY(offset)
END_REGISTER_ANIMATED_PROPERTIES
SVGComponentTransferFunctionElement::SVGComponentTransferFunctionElement(const QualifiedName& tagName, Document& document)
: SVGElement(tagName, document)
, m_type(FECOMPONENTTRANSFER_TYPE_IDENTITY)
, m_slope(1)
, m_amplitude(1)
, m_exponent(1)
{
registerAnimatedPropertiesForSVGComponentTransferFunctionElement();
}
bool SVGComponentTransferFunctionElement::isSupportedAttribute(const QualifiedName& attrName)
{
static NeverDestroyed<HashSet<QualifiedName>> supportedAttributes;
if (supportedAttributes.get().isEmpty()) {
supportedAttributes.get().add(SVGNames::typeAttr);
supportedAttributes.get().add(SVGNames::tableValuesAttr);
supportedAttributes.get().add(SVGNames::slopeAttr);
supportedAttributes.get().add(SVGNames::interceptAttr);
supportedAttributes.get().add(SVGNames::amplitudeAttr);
supportedAttributes.get().add(SVGNames::exponentAttr);
supportedAttributes.get().add(SVGNames::offsetAttr);
}
return supportedAttributes.get().contains<SVGAttributeHashTranslator>(attrName);
}
void SVGComponentTransferFunctionElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
{
if (name == SVGNames::typeAttr) {
ComponentTransferType propertyValue = SVGPropertyTraits<ComponentTransferType>::fromString(value);
if (propertyValue > 0)
setTypeBaseValue(propertyValue);
return;
}
if (name == SVGNames::tableValuesAttr) {
SVGNumberListValues newList;
newList.parse(value);
detachAnimatedTableValuesListWrappers(newList.size());
setTableValuesBaseValue(newList);
return;
}
if (name == SVGNames::slopeAttr) {
setSlopeBaseValue(value.toFloat());
return;
}
if (name == SVGNames::interceptAttr) {
setInterceptBaseValue(value.toFloat());
return;
}
if (name == SVGNames::amplitudeAttr) {
setAmplitudeBaseValue(value.toFloat());
return;
}
if (name == SVGNames::exponentAttr) {
setExponentBaseValue(value.toFloat());
return;
}
if (name == SVGNames::offsetAttr) {
setOffsetBaseValue(value.toFloat());
return;
}
SVGElement::parseAttribute(name, value);
}
void SVGComponentTransferFunctionElement::svgAttributeChanged(const QualifiedName& attrName)
{
if (!isSupportedAttribute(attrName)) {
SVGElement::svgAttributeChanged(attrName);
return;
}
InstanceInvalidationGuard guard(*this);
invalidateFilterPrimitiveParent(this);
}
ComponentTransferFunction SVGComponentTransferFunctionElement::transferFunction() const
{
ComponentTransferFunction func;
func.type = type();
func.slope = slope();
func.intercept = intercept();
func.amplitude = amplitude();
func.exponent = exponent();
func.offset = offset();
func.tableValues = tableValues();
return func;
}
}