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-rw-r--r--ksvg/impl/SVGTransformableImpl.cpp167
1 files changed, 167 insertions, 0 deletions
diff --git a/ksvg/impl/SVGTransformableImpl.cpp b/ksvg/impl/SVGTransformableImpl.cpp
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+++ b/ksvg/impl/SVGTransformableImpl.cpp
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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 *parent = element->ownerDoc()->getElementFromHandle(parentNde.handle());
+ SVGLocatableImpl *locatableParent = dynamic_cast<SVGLocatableImpl *>(parent);
+
+ 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;
+ }
+}