diff options
Diffstat (limited to 'ksvg/impl/SVGTransformableImpl.cc')
| -rw-r--r-- | ksvg/impl/SVGTransformableImpl.cc | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/ksvg/impl/SVGTransformableImpl.cc b/ksvg/impl/SVGTransformableImpl.cc new file mode 100644 index 00000000..59dd904b --- /dev/null +++ b/ksvg/impl/SVGTransformableImpl.cc @@ -0,0 +1,169 @@ +/* + 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; + } +} + +// vim:ts=4:noet |