SVGFEColorMatrixElement.cpp [plain text]
#include "config.h"
#if ENABLE(SVG) && ENABLE(FILTERS)
#include "SVGFEColorMatrixElement.h"
#include "MappedAttribute.h"
#include "SVGNames.h"
#include "SVGNumberList.h"
#include "SVGResourceFilter.h"
namespace WebCore {
SVGFEColorMatrixElement::SVGFEColorMatrixElement(const QualifiedName& tagName, Document* doc)
: SVGFilterPrimitiveStandardAttributes(tagName, doc)
, m_in1(this, SVGNames::inAttr)
, m_type(this, SVGNames::typeAttr, FECOLORMATRIX_TYPE_UNKNOWN)
, m_values(this, SVGNames::valuesAttr, SVGNumberList::create(SVGNames::valuesAttr))
{
}
SVGFEColorMatrixElement::~SVGFEColorMatrixElement()
{
}
void SVGFEColorMatrixElement::parseMappedAttribute(MappedAttribute* attr)
{
const String& value = attr->value();
if (attr->name() == SVGNames::typeAttr) {
if (value == "matrix")
setTypeBaseValue(FECOLORMATRIX_TYPE_MATRIX);
else if (value == "saturate")
setTypeBaseValue(FECOLORMATRIX_TYPE_SATURATE);
else if (value == "hueRotate")
setTypeBaseValue(FECOLORMATRIX_TYPE_HUEROTATE);
else if (value == "luminanceToAlpha")
setTypeBaseValue(FECOLORMATRIX_TYPE_LUMINANCETOALPHA);
}
else if (attr->name() == SVGNames::inAttr)
setIn1BaseValue(value);
else if (attr->name() == SVGNames::valuesAttr)
valuesBaseValue()->parse(value);
else
SVGFilterPrimitiveStandardAttributes::parseMappedAttribute(attr);
}
bool SVGFEColorMatrixElement::build(SVGResourceFilter* filterResource)
{
FilterEffect* input1 = filterResource->builder()->getEffectById(in1());
if(!input1)
return false;
Vector<float> _values;
SVGNumberList* numbers = values();
ExceptionCode ec = 0;
unsigned int nr = numbers->numberOfItems();
for (unsigned int i = 0;i < nr;i++)
_values.append(numbers->getItem(i, ec));
RefPtr<FilterEffect> effect = FEColorMatrix::create(input1, static_cast<ColorMatrixType>(type()), _values);
filterResource->addFilterEffect(this, effect.release());
return true;
}
}
#endif // ENABLE(SVG)