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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 <kdebug.h>
#include "SVGMatrixImpl.h"
#include "SVGHelperImpl.h"
#include "SVGSVGElementImpl.h"
#include "SVGTransformableImpl.h"
#include "SVGTransformListImpl.h"
#include "SVGAnimatedTransformListImpl.h"
#include "SVGElementImpl.h"
#include "SVGDocumentImpl.h"
using namespace KSVG;
#include "SVGTransformableImpl.lut.h"
#include "ksvg_bridge.h"
SVGTransformableImpl::SVGTransformableImpl() : SVGLocatableImpl()
{
KSVG_EMPTY_FLAGS
m_transform = new SVGAnimatedTransformListImpl();
m_transform->ref();
m_localMatrix = 0;
}
SVGTransformableImpl::SVGTransformableImpl(const SVGTransformableImpl &other) : SVGLocatableImpl()
{
(*this) = other;
}
SVGTransformableImpl::~SVGTransformableImpl()
{
if(m_transform)
m_transform->deref();
if(m_localMatrix)
m_localMatrix->deref();
}
SVGTransformableImpl &SVGTransformableImpl::operator=(const SVGTransformableImpl &other)
{
SVGTransformListImpl *otherTransform = other.m_transform->baseVal();
// Concat computed values
for(unsigned int i = 0;i < otherTransform->numberOfItems(); i++)
{
SVGTransformImpl *trafo = otherTransform->getItem(i);
m_transform->baseVal()->insertItemBefore(SVGSVGElementImpl::createSVGTransformFromMatrix(trafo->matrix()), i);
}
return *this;
}
SVGAnimatedTransformListImpl *SVGTransformableImpl::transform() const
{
return m_transform;
}
SVGMatrixImpl *SVGTransformableImpl::getCTM()
{
SVGMatrixImpl *ctm = SVGSVGElementImpl::createSVGMatrix();
SVGElementImpl *element = dynamic_cast<SVGElementImpl *>(this);
Q_ASSERT(element);
DOM::Node parentNde = element->parentNode();
if(!parentNde.isNull() && parentNde.nodeType() != DOM::Node::DOCUMENT_NODE)
{
SVGElementImpl *tqparent = element->ownerDoc()->getElementFromHandle(parentNde.handle());
SVGLocatableImpl *locatableParent = dynamic_cast<SVGLocatableImpl *>(tqparent);
if(locatableParent)
{
SVGMatrixImpl *parentCTM = locatableParent->getCTM();
ctm->multiply(parentCTM);
parentCTM->deref();
}
}
if(m_localMatrix)
{
ctm->multiply(m_localMatrix);
}
return ctm;
}
void SVGTransformableImpl::updateLocalMatrix()
{
if(m_transform->baseVal()->numberOfItems()>0)
{
if(m_localMatrix)
m_localMatrix->deref();
m_localMatrix = m_transform->baseVal()->concatenate();
}
else
{
if(m_localMatrix)
{
m_localMatrix->deref();
m_localMatrix = 0;
}
}
invalidateCachedMatrices();
}
// Ecma stuff
/*
@namespace KSVG
@begin SVGTransformableImpl::s_hashTable 2
transform SVGTransformableImpl::Transform DontDelete
@end
*/
Value SVGTransformableImpl::getValueProperty(ExecState *exec, int token) const
{
switch(token)
{
case Transform:
return m_transform->cache(exec);
default:
kdWarning() << "Unhandled token in " << k_funcinfo << " : " << token << endl;
return Undefined();
}
}
void SVGTransformableImpl::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 Transform:
SVGHelperImpl::parseTransformAttribute(m_transform->baseVal(), value.toString(exec).qstring());
updateLocalMatrix();
break;
default:
kdWarning() << "Unhandled token in " << k_funcinfo << " : " << token << endl;
}
}
// vim:ts=4:noet
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