SVGFEBlendElement.cpp [plain text]
#include "config.h"
#if ENABLE(SVG) && ENABLE(FILTERS)
#include "SVGFEBlendElement.h"
#include "MappedAttribute.h"
namespace WebCore {
SVGFEBlendElement::SVGFEBlendElement(const QualifiedName& tagName, Document* doc)
: SVGFilterPrimitiveStandardAttributes(tagName, doc)
, m_mode(FEBLEND_MODE_NORMAL)
{
}
SVGFEBlendElement::~SVGFEBlendElement()
{
}
void SVGFEBlendElement::parseMappedAttribute(MappedAttribute* attr)
{
const String& value = attr->value();
if (attr->name() == SVGNames::modeAttr) {
if (value == "normal")
setModeBaseValue(FEBLEND_MODE_NORMAL);
else if (value == "multiply")
setModeBaseValue(FEBLEND_MODE_MULTIPLY);
else if (value == "screen")
setModeBaseValue(FEBLEND_MODE_SCREEN);
else if (value == "darken")
setModeBaseValue(FEBLEND_MODE_DARKEN);
else if (value == "lighten")
setModeBaseValue(FEBLEND_MODE_LIGHTEN);
} else if (attr->name() == SVGNames::inAttr)
setIn1BaseValue(value);
else if (attr->name() == SVGNames::in2Attr)
setIn2BaseValue(value);
else
SVGFilterPrimitiveStandardAttributes::parseMappedAttribute(attr);
}
void SVGFEBlendElement::synchronizeProperty(const QualifiedName& attrName)
{
SVGFilterPrimitiveStandardAttributes::synchronizeProperty(attrName);
if (attrName == anyQName()) {
synchronizeMode();
synchronizeIn1();
synchronizeIn2();
return;
}
if (attrName == SVGNames::modeAttr)
synchronizeMode();
else if (attrName == SVGNames::inAttr)
synchronizeIn1();
else if (attrName == SVGNames::in2Attr)
synchronizeIn2();
}
PassRefPtr<FilterEffect> SVGFEBlendElement::build(SVGFilterBuilder* filterBuilder)
{
FilterEffect* input1 = filterBuilder->getEffectById(in1());
FilterEffect* input2 = filterBuilder->getEffectById(in2());
if (!input1 || !input2)
return 0;
return FEBlend::create(input1, input2, static_cast<BlendModeType>(mode()));
}
}
#endif // ENABLE(SVG)