SVGComponentTransferFunctionElement.cpp [plain text]
#include "config.h"
#if ENABLE(SVG) && ENABLE(FILTERS)
#include "SVGComponentTransferFunctionElement.h"
#include "MappedAttribute.h"
#include "SVGFEComponentTransferElement.h"
#include "SVGNames.h"
#include "SVGNumberList.h"
namespace WebCore {
SVGComponentTransferFunctionElement::SVGComponentTransferFunctionElement(const QualifiedName& tagName, Document* doc)
: SVGElement(tagName, doc)
, m_type(FECOMPONENTTRANSFER_TYPE_UNKNOWN)
, m_tableValues(SVGNumberList::create(SVGNames::tableValuesAttr))
, m_slope(1.0f)
, m_amplitude(1.0f)
, m_exponent(1.0f)
{
}
SVGComponentTransferFunctionElement::~SVGComponentTransferFunctionElement()
{
}
void SVGComponentTransferFunctionElement::parseMappedAttribute(MappedAttribute* attr)
{
const String& value = attr->value();
if (attr->name() == SVGNames::typeAttr) {
if (value == "identity")
setTypeBaseValue(FECOMPONENTTRANSFER_TYPE_IDENTITY);
else if (value == "table")
setTypeBaseValue(FECOMPONENTTRANSFER_TYPE_TABLE);
else if (value == "discrete")
setTypeBaseValue(FECOMPONENTTRANSFER_TYPE_DISCRETE);
else if (value == "linear")
setTypeBaseValue(FECOMPONENTTRANSFER_TYPE_LINEAR);
else if (value == "gamma")
setTypeBaseValue(FECOMPONENTTRANSFER_TYPE_GAMMA);
}
else if (attr->name() == SVGNames::tableValuesAttr)
tableValuesBaseValue()->parse(value);
else if (attr->name() == SVGNames::slopeAttr)
setSlopeBaseValue(value.toFloat());
else if (attr->name() == SVGNames::interceptAttr)
setInterceptBaseValue(value.toFloat());
else if (attr->name() == SVGNames::amplitudeAttr)
setAmplitudeBaseValue(value.toFloat());
else if (attr->name() == SVGNames::exponentAttr)
setExponentBaseValue(value.toFloat());
else if (attr->name() == SVGNames::offsetAttr)
setOffsetBaseValue(value.toFloat());
else
SVGElement::parseMappedAttribute(attr);
}
void SVGComponentTransferFunctionElement::synchronizeProperty(const QualifiedName& attrName)
{
SVGElement::synchronizeProperty(attrName);
if (attrName == anyQName()) {
synchronizeType();
synchronizeTableValues();
synchronizeSlope();
synchronizeIntercept();
synchronizeAmplitude();
synchronizeExponent();
synchronizeOffset();
return;
}
if (attrName == SVGNames::typeAttr)
synchronizeType();
else if (attrName == SVGNames::tableValuesAttr)
synchronizeTableValues();
else if (attrName == SVGNames::slopeAttr)
synchronizeSlope();
else if (attrName == SVGNames::interceptAttr)
synchronizeIntercept();
else if (attrName == SVGNames::amplitudeAttr)
synchronizeAmplitude();
else if (attrName == SVGNames::exponentAttr)
synchronizeExponent();
else if (attrName == SVGNames::offsetAttr)
synchronizeOffset();
}
ComponentTransferFunction SVGComponentTransferFunctionElement::transferFunction() const
{
ComponentTransferFunction func;
func.type = (ComponentTransferType) type();
func.slope = slope();
func.intercept = intercept();
func.amplitude = amplitude();
func.exponent = exponent();
func.offset = offset();
SVGNumberList* numbers = tableValues();
ExceptionCode ec = 0;
unsigned int nr = numbers->numberOfItems();
for (unsigned int i = 0; i < nr; i++)
func.tableValues.append(numbers->getItem(i, ec));
return func;
}
}
#endif // ENABLE(SVG)