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/*
Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org>
2004, 2005, 2006 Rob Buis <buis@kde.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 "SVGComponentTransferFunctionElement.h"
#include "MappedAttribute.h"
#include "SVGFEComponentTransferElement.h"
#include "SVGNames.h"
#include "SVGNumberList.h"
namespace WebCore {
char SVGComponentTransferFunctionElementIdentifier[] = "SVGComponentTransferFunctionElement";
SVGComponentTransferFunctionElement::SVGComponentTransferFunctionElement(const QualifiedName& tagName, Document* doc)
: SVGElement(tagName, doc)
, m_type(this, SVGNames::typeAttr, FECOMPONENTTRANSFER_TYPE_UNKNOWN)
, m_tableValues(this, SVGNames::tableValuesAttr, SVGNumberList::create(SVGNames::tableValuesAttr))
, m_slope(this, SVGNames::slopeAttr, 1.0f)
, m_intercept(this, SVGNames::interceptAttr)
, m_amplitude(this, SVGNames::amplitudeAttr, 1.0f)
, m_exponent(this, SVGNames::exponentAttr, 1.0f)
, m_offset(this, SVGNames::offsetAttr)
{
}
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);
}
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;
}
}
// vim:ts=4:noet
#endif // ENABLE(SVG)
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