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/*
* Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org>
* Copyright (C) 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"
#include "core/svg/SVGComponentTransferFunctionElement.h"
#include "core/SVGNames.h"
#include "core/dom/Attribute.h"
#include "core/svg/SVGFEComponentTransferElement.h"
#include "core/svg/SVGNumberList.h"
namespace blink {
template<> const SVGEnumerationStringEntries& getStaticStringEntries<ComponentTransferType>()
{
DEFINE_STATIC_LOCAL(SVGEnumerationStringEntries, entries, ());
if (entries.isEmpty()) {
entries.append(std::make_pair(FECOMPONENTTRANSFER_TYPE_IDENTITY, "identity"));
entries.append(std::make_pair(FECOMPONENTTRANSFER_TYPE_TABLE, "table"));
entries.append(std::make_pair(FECOMPONENTTRANSFER_TYPE_DISCRETE, "discrete"));
entries.append(std::make_pair(FECOMPONENTTRANSFER_TYPE_LINEAR, "linear"));
entries.append(std::make_pair(FECOMPONENTTRANSFER_TYPE_GAMMA, "gamma"));
}
return entries;
}
SVGComponentTransferFunctionElement::SVGComponentTransferFunctionElement(const QualifiedName& tagName, Document& document)
: SVGElement(tagName, document)
, m_tableValues(SVGAnimatedNumberList::create(this, SVGNames::tableValuesAttr, SVGNumberList::create()))
, m_slope(SVGAnimatedNumber::create(this, SVGNames::slopeAttr, SVGNumber::create(1)))
, m_intercept(SVGAnimatedNumber::create(this, SVGNames::interceptAttr, SVGNumber::create()))
, m_amplitude(SVGAnimatedNumber::create(this, SVGNames::amplitudeAttr, SVGNumber::create(1)))
, m_exponent(SVGAnimatedNumber::create(this, SVGNames::exponentAttr, SVGNumber::create(1)))
, m_offset(SVGAnimatedNumber::create(this, SVGNames::offsetAttr, SVGNumber::create()))
, m_type(SVGAnimatedEnumeration<ComponentTransferType>::create(this, SVGNames::typeAttr, FECOMPONENTTRANSFER_TYPE_IDENTITY))
{
addToPropertyMap(m_tableValues);
addToPropertyMap(m_slope);
addToPropertyMap(m_intercept);
addToPropertyMap(m_amplitude);
addToPropertyMap(m_exponent);
addToPropertyMap(m_offset);
addToPropertyMap(m_type);
}
void SVGComponentTransferFunctionElement::trace(Visitor* visitor)
{
visitor->trace(m_tableValues);
visitor->trace(m_slope);
visitor->trace(m_intercept);
visitor->trace(m_amplitude);
visitor->trace(m_exponent);
visitor->trace(m_offset);
visitor->trace(m_type);
SVGElement::trace(visitor);
}
bool SVGComponentTransferFunctionElement::isSupportedAttribute(const QualifiedName& attrName)
{
DEFINE_STATIC_LOCAL(HashSet<QualifiedName>, supportedAttributes, ());
if (supportedAttributes.isEmpty()) {
supportedAttributes.add(SVGNames::typeAttr);
supportedAttributes.add(SVGNames::tableValuesAttr);
supportedAttributes.add(SVGNames::slopeAttr);
supportedAttributes.add(SVGNames::interceptAttr);
supportedAttributes.add(SVGNames::amplitudeAttr);
supportedAttributes.add(SVGNames::exponentAttr);
supportedAttributes.add(SVGNames::offsetAttr);
}
return supportedAttributes.contains<SVGAttributeHashTranslator>(attrName);
}
void SVGComponentTransferFunctionElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
{
parseAttributeNew(name, value);
}
void SVGComponentTransferFunctionElement::svgAttributeChanged(const QualifiedName& attrName)
{
if (!isSupportedAttribute(attrName)) {
SVGElement::svgAttributeChanged(attrName);
return;
}
SVGElement::InvalidationGuard invalidationGuard(this);
invalidateFilterPrimitiveParent(this);
}
ComponentTransferFunction SVGComponentTransferFunctionElement::transferFunction() const
{
ComponentTransferFunction func;
func.type = m_type->currentValue()->enumValue();
func.slope = m_slope->currentValue()->value();
func.intercept = m_intercept->currentValue()->value();
func.amplitude = m_amplitude->currentValue()->value();
func.exponent = m_exponent->currentValue()->value();
func.offset = m_offset->currentValue()->value();
func.tableValues = m_tableValues->currentValue()->toFloatVector();
return func;
}
} // namespace blink
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