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Diffstat (limited to 'ksvg/impl/SVGLocatableImpl.cc')
| -rw-r--r-- | ksvg/impl/SVGLocatableImpl.cc | 208 |
1 files changed, 208 insertions, 0 deletions
diff --git a/ksvg/impl/SVGLocatableImpl.cc b/ksvg/impl/SVGLocatableImpl.cc new file mode 100644 index 00000000..0ae143fa --- /dev/null +++ b/ksvg/impl/SVGLocatableImpl.cc @@ -0,0 +1,208 @@ +/* + 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 "SVGRectImpl.h" +#include "SVGShapeImpl.h" +#include "SVGContainerImpl.h" +#include "SVGMatrixImpl.h" +#include "SVGElementImpl.h" +#include "SVGLocatableImpl.h" +#include "SVGSVGElementImpl.h" +#include "SVGDocumentImpl.h" + +using namespace KSVG; + +#include "SVGLocatableImpl.lut.h" +#include "ksvg_scriptinterpreter.h" +#include "ksvg_bridge.h" + +SVGLocatableImpl::SVGLocatableImpl() +{ + m_nearestViewportElement = 0; + m_farthestViewportElement = 0; + m_cachedScreenCTM = SVGSVGElementImpl::createSVGMatrix(); + m_cachedScreenCTMIsValid = false; +} + +SVGLocatableImpl::~SVGLocatableImpl() +{ + if(m_nearestViewportElement) + m_nearestViewportElement->deref(); + if(m_farthestViewportElement) + m_farthestViewportElement->deref(); + if(m_cachedScreenCTM) + m_cachedScreenCTM->deref(); +} + +SVGRectImpl *SVGLocatableImpl::getBBox() +{ + SVGRectImpl *ret = SVGSVGElementImpl::createSVGRect(); + return ret; +} + +SVGMatrixImpl *SVGLocatableImpl::getCTM() +{ + SVGMatrixImpl *ret = SVGSVGElementImpl::createSVGMatrix(); + return ret; +} + +SVGMatrixImpl *SVGLocatableImpl::getScreenCTM() +{ + SVGMatrixImpl *ret = SVGSVGElementImpl::createSVGMatrix(); + ret->copy(m_cachedScreenCTM); + + return ret; +} + +SVGMatrixImpl *SVGLocatableImpl::getTransformToElement(SVGElementImpl *) +{ + SVGMatrixImpl *ret = SVGSVGElementImpl::createSVGMatrix(); + return ret; +} + +void SVGLocatableImpl::updateCachedScreenCTM(const SVGMatrixImpl *parentScreenCTM) +{ + m_cachedScreenCTM->copy(parentScreenCTM); + + const SVGMatrixImpl *local = localMatrix(); + + if(local) + m_cachedScreenCTM->multiply(local); + m_cachedScreenCTMIsValid = true; + + // Notify the element + onScreenCTMUpdated(); + + SVGShapeImpl *shape = dynamic_cast<SVGShapeImpl *>(this); + + if(shape) + { + // TODO: Update due to matrix animations + //if(shape->item()) + // shape->item()->update(updateReason); + + SVGElementImpl *element = dynamic_cast<SVGElementImpl *>(this); + + DOM::Node node = element->firstChild(); + for(; !node.isNull(); node = node.nextSibling()) + { + SVGElementImpl *child = element->ownerDoc()->getElementFromHandle(node.handle()); + SVGLocatableImpl *locatable = dynamic_cast<SVGLocatableImpl *>(child); + + if(child && locatable) + locatable->updateCachedScreenCTM(m_cachedScreenCTM); + } + } +} + +void SVGLocatableImpl::checkCachedScreenCTM(const SVGMatrixImpl *parentScreenCTM) +{ + if(m_cachedScreenCTMIsValid) + { + SVGElementImpl *element = dynamic_cast<SVGElementImpl *>(this); + SVGShapeImpl *shape = dynamic_cast<SVGShapeImpl *>(this); + + if(shape) + { + DOM::Node node = element->firstChild(); + for(; !node.isNull(); node = node.nextSibling()) + { + SVGElementImpl *child = element->ownerDoc()->getElementFromHandle(node.handle()); + SVGLocatableImpl *locatable = dynamic_cast<SVGLocatableImpl *>(child); + + if(child && locatable) + locatable->checkCachedScreenCTM(m_cachedScreenCTM); + } + } + } + else + updateCachedScreenCTM(parentScreenCTM); +} + +// Ecma stuff + +/* +@namespace KSVG +@begin SVGLocatableImpl::s_hashTable 3 + nearestViewportElement SVGLocatableImpl::NearestViewportElement DontDelete + farthestViewportElement SVGLocatableImpl::FarthestViewportElement DontDelete +@end +@namespace KSVG +@begin SVGLocatableImplProto::s_hashTable 5 + getBBox SVGLocatableImpl::GetBBox DontDelete|Function 0 + getCTM SVGLocatableImpl::GetCTM DontDelete|Function 0 + getScreenCTM SVGLocatableImpl::GetScreenCTM DontDelete|Function 0 + getTransformToElement SVGLocatableImpl::GetTransformToElement DontDelete|Function 1 +@end +*/ + +KSVG_IMPLEMENT_PROTOTYPE("SVGLocatable", SVGLocatableImplProto, SVGLocatableImplProtoFunc) + +Value SVGLocatableImpl::getValueProperty(ExecState *exec, int token) const +{ + switch(token) + { + case NearestViewportElement: + return nearestViewportElement() ? nearestViewportElement()->cache(exec) : Undefined(); + case FarthestViewportElement: + return farthestViewportElement() ? farthestViewportElement()->cache(exec) : Undefined(); + default: + kdWarning() << "Unhandled token in " << k_funcinfo << " : " << token << endl; + return Undefined(); + } +} + +Value SVGLocatableImplProtoFunc::call(ExecState *exec, Object &thisObj, const List &args) +{ + KSVG_CHECK_THIS(SVGLocatableImpl) + + switch(id) + { + case SVGLocatableImpl::GetBBox: + { + SVGContainerImpl *container = dynamic_cast<SVGContainerImpl *>(obj); + if(container) + return container->getBBox()->cache(exec); + else + { + SVGShapeImpl *shape = dynamic_cast<SVGShapeImpl *>(obj); + if(shape) + return shape->getBBox()->cache(exec); + else + return obj->getBBox()->cache(exec); + } + } + case SVGLocatableImpl::GetCTM: + return obj->getCTM()->cache(exec); + case SVGLocatableImpl::GetScreenCTM: + return obj->getScreenCTM()->cache(exec); + case SVGLocatableImpl::GetTransformToElement: + return obj->getTransformToElement(static_cast<KSVGBridge<SVGElementImpl> *>(args[0].imp())->impl())->cache(exec); + default: + kdWarning() << "Unhandled function id in " << k_funcinfo << " : " << id << endl; + break; + } + + return Undefined(); +} + +// vim:ts=4:noet |