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168 lines
4.1 KiB
168 lines
4.1 KiB
/*
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Copyright (C) 2001-2003 KSVG Team
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This file is part of the KDE project
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#include <kdebug.h>
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#include "SVGMatrixImpl.h"
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#include "SVGHelperImpl.h"
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#include "SVGSVGElementImpl.h"
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#include "SVGTransformableImpl.h"
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#include "SVGTransformListImpl.h"
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#include "SVGAnimatedTransformListImpl.h"
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#include "SVGElementImpl.h"
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#include "SVGDocumentImpl.h"
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using namespace KSVG;
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#include "SVGTransformableImpl.lut.h"
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#include "ksvg_bridge.h"
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SVGTransformableImpl::SVGTransformableImpl() : SVGLocatableImpl()
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{
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KSVG_EMPTY_FLAGS
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m_transform = new SVGAnimatedTransformListImpl();
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m_transform->ref();
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m_localMatrix = 0;
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}
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SVGTransformableImpl::SVGTransformableImpl(const SVGTransformableImpl &other) : SVGLocatableImpl()
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{
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(*this) = other;
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}
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SVGTransformableImpl::~SVGTransformableImpl()
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{
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if(m_transform)
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m_transform->deref();
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if(m_localMatrix)
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m_localMatrix->deref();
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}
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SVGTransformableImpl &SVGTransformableImpl::operator=(const SVGTransformableImpl &other)
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{
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SVGTransformListImpl *otherTransform = other.m_transform->baseVal();
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// Concat computed values
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for(unsigned int i = 0;i < otherTransform->numberOfItems(); i++)
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{
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SVGTransformImpl *trafo = otherTransform->getItem(i);
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m_transform->baseVal()->insertItemBefore(SVGSVGElementImpl::createSVGTransformFromMatrix(trafo->matrix()), i);
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}
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return *this;
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}
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SVGAnimatedTransformListImpl *SVGTransformableImpl::transform() const
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{
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return m_transform;
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}
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SVGMatrixImpl *SVGTransformableImpl::getCTM()
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{
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SVGMatrixImpl *ctm = SVGSVGElementImpl::createSVGMatrix();
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SVGElementImpl *element = dynamic_cast<SVGElementImpl *>(this);
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Q_ASSERT(element);
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DOM::Node parentNde = element->parentNode();
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if(!parentNde.isNull() && parentNde.nodeType() != DOM::Node::DOCUMENT_NODE)
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{
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SVGElementImpl *parent = element->ownerDoc()->getElementFromHandle(parentNde.handle());
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SVGLocatableImpl *locatableParent = dynamic_cast<SVGLocatableImpl *>(parent);
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if(locatableParent)
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{
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SVGMatrixImpl *parentCTM = locatableParent->getCTM();
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ctm->multiply(parentCTM);
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parentCTM->deref();
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}
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}
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if(m_localMatrix)
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{
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ctm->multiply(m_localMatrix);
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}
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return ctm;
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}
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void SVGTransformableImpl::updateLocalMatrix()
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{
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if(m_transform->baseVal()->numberOfItems()>0)
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{
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if(m_localMatrix)
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m_localMatrix->deref();
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m_localMatrix = m_transform->baseVal()->concatenate();
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}
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else
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{
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if(m_localMatrix)
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{
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m_localMatrix->deref();
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m_localMatrix = 0;
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}
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}
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invalidateCachedMatrices();
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}
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// Ecma stuff
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/*
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@namespace KSVG
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@begin SVGTransformableImpl::s_hashTable 2
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transform SVGTransformableImpl::Transform DontDelete
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@end
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*/
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Value SVGTransformableImpl::getValueProperty(ExecState *exec, int token) const
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{
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switch(token)
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{
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case Transform:
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return m_transform->cache(exec);
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default:
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kdWarning() << "Unhandled token in " << k_funcinfo << " : " << token << endl;
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return Undefined();
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}
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}
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void SVGTransformableImpl::putValueProperty(ExecState *exec, int token, const Value &value, int attr)
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{
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// This class has just ReadOnly properties, only with the Internal flag set
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// it's allowed to modify those.
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if(!(attr & KJS::Internal))
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return;
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switch(token)
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{
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case Transform:
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SVGHelperImpl::parseTransformAttribute(m_transform->baseVal(), value.toString(exec).qstring());
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updateLocalMatrix();
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break;
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default:
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kdWarning() << "Unhandled token in " << k_funcinfo << " : " << token << endl;
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}
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}
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