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/*
Copyright (C) 2009 Dirk Schulze <krit@webkit.org>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include "config.h"
#if ENABLE(SVG) && ENABLE(FILTERS)
#include "SVGFEMorphologyElement.h"
#include "Attribute.h"
#include "SVGNames.h"
#include "SVGParserUtilities.h"
namespace WebCore {
char SVGRadiusXAttrIdentifier[] = "SVGRadiusXAttr";
char SVGRadiusYAttrIdentifier[] = "SVGRadiusYAttr";
SVGFEMorphologyElement::SVGFEMorphologyElement(const QualifiedName& tagName, Document* document)
: SVGFilterPrimitiveStandardAttributes(tagName, document)
, m__operator(FEMORPHOLOGY_OPERATOR_ERODE)
{
}
SVGFEMorphologyElement::~SVGFEMorphologyElement()
{
}
void SVGFEMorphologyElement::setRadius(float, float)
{
// FIXME: Needs an implementation.
}
void SVGFEMorphologyElement::parseMappedAttribute(Attribute* attr)
{
const String& value = attr->value();
if (attr->name() == SVGNames::operatorAttr) {
if (value == "erode")
set_operatorBaseValue(FEMORPHOLOGY_OPERATOR_ERODE);
else if (value == "dilate")
set_operatorBaseValue(FEMORPHOLOGY_OPERATOR_DILATE);
} else if (attr->name() == SVGNames::inAttr)
setIn1BaseValue(value);
else if (attr->name() == SVGNames::radiusAttr) {
float x, y;
if (parseNumberOptionalNumber(value, x, y)) {
setRadiusXBaseValue(x);
setRadiusYBaseValue(y);
}
} else
SVGFilterPrimitiveStandardAttributes::parseMappedAttribute(attr);
}
void SVGFEMorphologyElement::synchronizeProperty(const QualifiedName& attrName)
{
SVGFilterPrimitiveStandardAttributes::synchronizeProperty(attrName);
if (attrName == anyQName()) {
synchronize_operator();
synchronizeIn1();
synchronizeRadiusX();
synchronizeRadiusY();
return;
}
if (attrName == SVGNames::operatorAttr)
synchronize_operator();
else if (attrName == SVGNames::inAttr)
synchronizeIn1();
else if (attrName == SVGNames::radiusAttr) {
synchronizeRadiusX();
synchronizeRadiusY();
}
}
PassRefPtr<FilterEffect> SVGFEMorphologyElement::build(SVGFilterBuilder* filterBuilder)
{
FilterEffect* input1 = filterBuilder->getEffectById(in1());
float xRadius = radiusX();
float yRadius = radiusY();
if (!input1)
return 0;
if (xRadius < 0 || yRadius < 0)
return 0;
return FEMorphology::create(input1, static_cast<MorphologyOperatorType>(_operator()), xRadius, yRadius);
}
} //namespace WebCore
#endif // ENABLE(SVG)
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