SVGFEComponentTransferElement.cpp [plain text]
#include "config.h"
#if ENABLE(SVG) && ENABLE(FILTERS)
#include "SVGFEComponentTransferElement.h"
#include "Attr.h"
#include "FilterEffect.h"
#include "SVGFEFuncAElement.h"
#include "SVGFEFuncBElement.h"
#include "SVGFEFuncGElement.h"
#include "SVGFEFuncRElement.h"
#include "SVGFilterBuilder.h"
#include "SVGNames.h"
namespace WebCore {
DEFINE_ANIMATED_STRING(SVGFEComponentTransferElement, SVGNames::inAttr, In1, in1)
inline SVGFEComponentTransferElement::SVGFEComponentTransferElement(const QualifiedName& tagName, Document* document)
: SVGFilterPrimitiveStandardAttributes(tagName, document)
{
ASSERT(hasTagName(SVGNames::feComponentTransferTag));
}
PassRefPtr<SVGFEComponentTransferElement> SVGFEComponentTransferElement::create(const QualifiedName& tagName, Document* document)
{
return adoptRef(new SVGFEComponentTransferElement(tagName, document));
}
void SVGFEComponentTransferElement::parseMappedAttribute(Attribute* attr)
{
const String& value = attr->value();
if (attr->name() == SVGNames::inAttr)
setIn1BaseValue(value);
else
SVGFilterPrimitiveStandardAttributes::parseMappedAttribute(attr);
}
void SVGFEComponentTransferElement::synchronizeProperty(const QualifiedName& attrName)
{
SVGFilterPrimitiveStandardAttributes::synchronizeProperty(attrName);
if (attrName == anyQName() || attrName == SVGNames::inAttr)
synchronizeIn1();
}
AttributeToPropertyTypeMap& SVGFEComponentTransferElement::attributeToPropertyTypeMap()
{
DEFINE_STATIC_LOCAL(AttributeToPropertyTypeMap, s_attributeToPropertyTypeMap, ());
return s_attributeToPropertyTypeMap;
}
void SVGFEComponentTransferElement::fillAttributeToPropertyTypeMap()
{
AttributeToPropertyTypeMap& attributeToPropertyTypeMap = this->attributeToPropertyTypeMap();
SVGFilterPrimitiveStandardAttributes::fillPassedAttributeToPropertyTypeMap(attributeToPropertyTypeMap);
attributeToPropertyTypeMap.set(SVGNames::inAttr, AnimatedString);
}
PassRefPtr<FilterEffect> SVGFEComponentTransferElement::build(SVGFilterBuilder* filterBuilder, Filter* filter)
{
FilterEffect* input1 = filterBuilder->getEffectById(in1());
if (!input1)
return 0;
ComponentTransferFunction red;
ComponentTransferFunction green;
ComponentTransferFunction blue;
ComponentTransferFunction alpha;
for (Node* node = firstChild(); node; node = node->nextSibling()) {
if (node->hasTagName(SVGNames::feFuncRTag))
red = static_cast<SVGFEFuncRElement*>(node)->transferFunction();
else if (node->hasTagName(SVGNames::feFuncGTag))
green = static_cast<SVGFEFuncGElement*>(node)->transferFunction();
else if (node->hasTagName(SVGNames::feFuncBTag))
blue = static_cast<SVGFEFuncBElement*>(node)->transferFunction();
else if (node->hasTagName(SVGNames::feFuncATag))
alpha = static_cast<SVGFEFuncAElement*>(node)->transferFunction();
}
RefPtr<FilterEffect> effect = FEComponentTransfer::create(filter, red, green, blue, alpha);
effect->inputEffects().append(input1);
return effect.release();
}
}
#endif