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/*
Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org>
2004, 2005 Rob Buis <buis@kde.org>
This file is part of the KDE project
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(SVG_FILTERS)
#include "SVGFEComponentTransferElement.h"
#include "Attr.h"
#include "SVGNames.h"
#include "SVGRenderStyle.h"
#include "SVGFEFuncRElement.h"
#include "SVGFEFuncGElement.h"
#include "SVGFEFuncBElement.h"
#include "SVGFEFuncAElement.h"
#include "SVGResourceFilter.h"
namespace WebCore {
SVGFEComponentTransferElement::SVGFEComponentTransferElement(const QualifiedName& tagName, Document* doc)
: SVGFilterPrimitiveStandardAttributes(tagName, doc)
, m_in1(this, SVGNames::inAttr)
, m_filterEffect(0)
{
}
SVGFEComponentTransferElement::~SVGFEComponentTransferElement()
{
}
void SVGFEComponentTransferElement::parseMappedAttribute(MappedAttribute* attr)
{
const String& value = attr->value();
if (attr->name() == SVGNames::inAttr)
setIn1BaseValue(value);
else
SVGFilterPrimitiveStandardAttributes::parseMappedAttribute(attr);
}
SVGFilterEffect* SVGFEComponentTransferElement::filterEffect(SVGResourceFilter* filter) const
{
ASSERT_NOT_REACHED();
return 0;
}
bool SVGFEComponentTransferElement::build(FilterBuilder* builder)
{
FilterEffect* input1 = builder->getEffectById(in1());
if(!input1)
return false;
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();
}
builder->add(result(), FEComponentTransfer::create(input1, red, green, blue, alpha));
return true;
}
}
#endif // ENABLE(SVG)
// vim:ts=4:noet
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