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/*
Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org>
2004, 2005, 2006 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 "SVGFECompositeElement.h"
#include "SVGNames.h"
#include "SVGResourceFilter.h"
namespace WebCore {
SVGFECompositeElement::SVGFECompositeElement(const QualifiedName& tagName, Document* doc)
: SVGFilterPrimitiveStandardAttributes(tagName, doc)
, m_in1(this, SVGNames::inAttr)
, m_in2(this, SVGNames::in2Attr)
, m__operator(this, SVGNames::operatorAttr, FECOMPOSITE_OPERATOR_OVER)
, m_k1(this, SVGNames::k1Attr)
, m_k2(this, SVGNames::k2Attr)
, m_k3(this, SVGNames::k3Attr)
, m_k4(this, SVGNames::k4Attr)
, m_filterEffect(0)
{
}
SVGFECompositeElement::~SVGFECompositeElement()
{
}
void SVGFECompositeElement::parseMappedAttribute(MappedAttribute *attr)
{
const String& value = attr->value();
if (attr->name() == SVGNames::operatorAttr) {
if (value == "over")
set_operatorBaseValue(FECOMPOSITE_OPERATOR_OVER);
else if (value == "in")
set_operatorBaseValue(FECOMPOSITE_OPERATOR_IN);
else if (value == "out")
set_operatorBaseValue(FECOMPOSITE_OPERATOR_OUT);
else if (value == "atop")
set_operatorBaseValue(FECOMPOSITE_OPERATOR_ATOP);
else if (value == "xor")
set_operatorBaseValue(FECOMPOSITE_OPERATOR_XOR);
else if (value == "arithmetic")
set_operatorBaseValue(FECOMPOSITE_OPERATOR_ARITHMETIC);
}
else if (attr->name() == SVGNames::inAttr)
setIn1BaseValue(value);
else if (attr->name() == SVGNames::in2Attr)
setIn2BaseValue(value);
else if (attr->name() == SVGNames::k1Attr)
setK1BaseValue(value.toFloat());
else if (attr->name() == SVGNames::k2Attr)
setK2BaseValue(value.toFloat());
else if (attr->name() == SVGNames::k3Attr)
setK3BaseValue(value.toFloat());
else if (attr->name() == SVGNames::k4Attr)
setK4BaseValue(value.toFloat());
else
SVGFilterPrimitiveStandardAttributes::parseMappedAttribute(attr);
}
SVGFilterEffect* SVGFECompositeElement::filterEffect(SVGResourceFilter* filter) const
{
ASSERT_NOT_REACHED();
return 0;
}
bool SVGFECompositeElement::build(FilterBuilder* builder)
{
FilterEffect* input1 = builder->getEffectById(in1());
FilterEffect* input2 = builder->getEffectById(in2());
if(!input1 || !input2)
return false;
RefPtr<FilterEffect> addedEffect = FEComposite::create(input1, input2, static_cast<CompositeOperationType> (_operator()),
k1(), k2(), k3(), k4());
builder->add(result(), addedEffect.release());
return true;
}
}
#endif // ENABLE(SVG)
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