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/*
Copyright (C) 2001-2003 KSVG Team
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 "SVGGradientElement.h"
#include "SVGGradientElementImpl.h"
#include "SVGStopElementImpl.h"
#include "SVGAnimatedStringImpl.h"
#include "SVGSVGElementImpl.h"
#include "KSVGCanvas.h"
#include "CanvasItems.h"
#include "SVGHelperImpl.h"
#include "SVGDocumentImpl.h"
#include "SVGAnimatedEnumerationImpl.h"
#include "SVGAnimatedTransformListImpl.h"
#include "SVGTransformListImpl.h"
#include "SVGUnitConverter.h"
using namespace KSVG;
#include "SVGGradientElementImpl.lut.h"
#include "ksvg_scriptinterpreter.h"
#include "ksvg_bridge.h"
#include "ksvg_ecma.h"
#include "ksvg_cacheimpl.h"
SVGGradientElementImpl::SVGGradientElementImpl(DOM::ElementImpl *impl) : SVGElementImpl(impl), SVGURIReferenceImpl(), SVGExternalResourcesRequiredImpl(), SVGStylableImpl(this), SVGPaintServerImpl()
{
KSVG_EMPTY_FLAGS
m_gradientUnits = new SVGAnimatedEnumerationImpl();
m_gradientUnits->ref();
m_gradientTransform = new SVGAnimatedTransformListImpl();
m_gradientTransform->ref();
m_spreadMethod = new SVGAnimatedEnumerationImpl();
m_spreadMethod->ref();
m_converter = new SVGUnitConverter();
}
SVGGradientElementImpl::~SVGGradientElementImpl()
{
if(m_gradientUnits)
m_gradientUnits->deref();
if(m_gradientTransform)
m_gradientTransform->deref();
if(m_spreadMethod)
m_spreadMethod->deref();
delete m_converter;
}
SVGAnimatedEnumerationImpl *SVGGradientElementImpl::gradientUnits() const
{
return m_gradientUnits;
}
SVGAnimatedTransformListImpl *SVGGradientElementImpl::gradientTransform() const
{
return m_gradientTransform;
}
SVGAnimatedEnumerationImpl *SVGGradientElementImpl::spreadMethod() const
{
return m_spreadMethod;
}
/*
@namespace KSVG
@begin SVGGradientElementImpl::s_hashTable 5
gradientUnits SVGGradientElementImpl::GradientUnits DontDelete|ReadOnly
gradientTransform SVGGradientElementImpl::GradientTransform DontDelete|ReadOnly
spreadMethod SVGGradientElementImpl::SpreadMethod DontDelete|ReadOnly
@end
*/
Value SVGGradientElementImpl::getValueProperty(ExecState *exec, int token) const
{
switch(token)
{
case GradientUnits:
return m_gradientUnits->cache(exec);
case GradientTransform:
return m_gradientTransform->cache(exec);
case SpreadMethod:
return m_spreadMethod->cache(exec);
default:
kdWarning() << "Unhandled token in " << k_funcinfo << " : " << token << endl;
return Undefined();
}
}
void SVGGradientElementImpl::putValueProperty(ExecState *exec, int token, const Value &value, int attr)
{
// This class has just ReadOnly properties, only with the Internal flag set
// it's allowed to modify those.
if(!(attr & KJS::Internal))
return;
switch(token)
{
case GradientUnits:
if(value.toString(exec).qstring() == "userSpaceOnUse")
m_gradientUnits->setBaseVal(SVGGradientElement::SVG_UNIT_TYPE_USERSPACEONUSE);
else
m_gradientUnits->setBaseVal(SVGGradientElement::SVG_UNIT_TYPE_OBJECTBOUNDINGBOX);
break;
case GradientTransform:
m_gradientTransform->baseVal()->clear();
SVGHelperImpl::parseTransformAttribute(m_gradientTransform->baseVal(), value.toString(exec).qstring());
break;
case SpreadMethod:
{
QString spreadMethod = value.toString(exec).qstring();
if(spreadMethod == "repeat")
m_spreadMethod->setBaseVal(SVG_SPREADMETHOD_REPEAT);
else if(spreadMethod == "reflect")
m_spreadMethod->setBaseVal(SVG_SPREADMETHOD_REFLECT);
else
m_spreadMethod->setBaseVal(SVG_SPREADMETHOD_PAD);
break;
}
default:
kdWarning() << "Unhandled token in " << k_funcinfo << " : " << token << endl;
}
}
void SVGGradientElementImpl::setAttributes()
{
SVGElementImpl::setAttributes();
setAttributesFromHref();
// Spec: if attribute not specified, use "pad"
if(KSVG_TOKEN_NOT_PARSED(SpreadMethod))
KSVG_SET_ALT_ATTRIBUTE(SpreadMethod, "pad")
// Spec: if attribute not specified, use objectBoundingBox
if(KSVG_TOKEN_NOT_PARSED(GradientUnits))
KSVG_SET_ALT_ATTRIBUTE(GradientUnits, "objectBoundingBox")
}
void SVGGradientElementImpl::setAttributesFromHref()
{
QString _href = SVGURIReferenceImpl::getTarget(href()->baseVal().string());
if(!_href.isEmpty())
{
SVGGradientElementImpl *refGradient = dynamic_cast<SVGGradientElementImpl *>(ownerSVGElement()->getElementById(_href));
if(refGradient)
{
QMap<QString, DOM::DOMString> refAttributes = refGradient->gradientAttributes();
QMap<QString, DOM::DOMString>::iterator it;
for(it = refAttributes.begin(); it != refAttributes.end(); ++it)
{
QString name = it.key();
DOM::DOMString value = it.data();
if(!hasAttribute(name))
{
setAttribute(name, value);
setAttributeInternal(name, value);
}
}
}
}
}
SVGGradientElementImpl *SVGGradientElementImpl::stopsSource()
{
// Spec:
// If this element has no defined gradient stops, and the referenced element does
// (possibly due to its own href attribute), then this element inherits the gradient stop from the referenced element.
// Inheritance can be indirect to an arbitrary level; thus, if the referenced element inherits attribute or gradient stops
// due to its own href attribute, then the current element can inherit those attributes or gradient stops. (mop)
bool haveStops = false;
for(DOM::Node node = firstChild(); !node.isNull(); node = node.nextSibling())
{
SVGStopElementImpl *stop = dynamic_cast<SVGStopElementImpl *>(ownerDoc()->getElementFromHandle(node.handle()));
if(stop)
{
haveStops = true;
break;
}
}
SVGGradientElementImpl *source = this;
if(!haveStops)
{
QString _href = SVGURIReferenceImpl::getTarget(href()->baseVal().string());
if(!_href.isEmpty())
{
SVGGradientElementImpl *refGradient = dynamic_cast<SVGGradientElementImpl *>(ownerSVGElement()->getElementById(_href));
if(refGradient)
source = refGradient->stopsSource();
}
}
return source;
}
void SVGGradientElementImpl::createItem(KSVGCanvas *c)
{
if(!c)
c = ownerDoc()->canvas();
if(!m_paintServer)
m_paintServer = c->createPaintServer(this);
}
void SVGGradientElementImpl::removeItem(KSVGCanvas *)
{
delete m_paintServer;
m_paintServer = 0;
}
/*
@namespace KSVG
@begin SVGGradientElementImplConstructor::s_hashTable 5
SVG_SPREADMETHOD_UNKNOWN KSVG::SVG_SPREADMETHOD_UNKNOWN DontDelete|ReadOnly
SVG_SPREADMETHOD_PAD KSVG::SVG_SPREADMETHOD_PAD DontDelete|ReadOnly
SVG_SPREADMETHOD_REFLECT KSVG::SVG_SPREADMETHOD_REFLECT DontDelete|ReadOnly
SVG_SPREADMETHOD_REPEAT KSVG::SVG_SPREADMETHOD_REPEAT DontDelete|ReadOnly
@end
*/
using namespace KJS;
Value SVGGradientElementImplConstructor::getValueProperty(ExecState *, int token) const
{
return Number(token);
}
Value KSVG::getSVGGradientElementImplConstructor(ExecState *exec)
{
return cacheGlobalBridge<SVGGradientElementImplConstructor>(exec, "[[svggradientelement.constructor]]");
}
// vim:ts=4:noet
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