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/*
* Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org>
* Copyright (C) 2004, 2005 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 "SVGFEComponentTransferElement.h"
#include "Attr.h"
#include "SVGFEFuncAElement.h"
#include "SVGFEFuncBElement.h"
#include "SVGFEFuncGElement.h"
#include "SVGFEFuncRElement.h"
#include "SVGNames.h"
#include "SVGRenderStyle.h"
namespace WebCore {
inline SVGFEComponentTransferElement::SVGFEComponentTransferElement(const QualifiedName& tagName, Document* document)
: SVGFilterPrimitiveStandardAttributes(tagName, document)
{
}
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();
}
PassRefPtr<FilterEffect> SVGFEComponentTransferElement::build(SVGFilterBuilder* filterBuilder)
{
FilterEffect* input1 = filterBuilder->getEffectById(in1());
if (!input1)
return 0;
ComponentTransferFunction red;
ComponentTransferFunction green;
ComponentTransferFunction blue;
ComponentTransferFunction alpha;
for (Node* n = firstChild(); n != 0; n = n->nextSibling()) {
if (n->hasTagName(SVGNames::feFuncRTag))
red = static_cast<SVGFEFuncRElement*>(n)->transferFunction();
else if (n->hasTagName(SVGNames::feFuncGTag))
green = static_cast<SVGFEFuncGElement*>(n)->transferFunction();
else if (n->hasTagName(SVGNames::feFuncBTag))
blue = static_cast<SVGFEFuncBElement*>(n)->transferFunction();
else if (n->hasTagName(SVGNames::feFuncATag))
alpha = static_cast<SVGFEFuncAElement*>(n)->transferFunction();
}
RefPtr<FilterEffect> effect = FEComponentTransfer::create(red, green, blue, alpha);
effect->inputEffects().append(input1);
return effect.release();
}
}
#endif
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