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-rw-r--r--ksvg/impl/SVGHelperImpl.cc230
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diff --git a/ksvg/impl/SVGHelperImpl.cc b/ksvg/impl/SVGHelperImpl.cc
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+/*
+ Copyright (C) 2002-2003 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 <qregexp.h>
+
+#include "SVGRectImpl.h"
+#include "SVGMatrixImpl.h"
+#include "SVGHelperImpl.h"
+#include "SVGElementImpl.h"
+#include "SVGDocumentImpl.h"
+#include "SVGStylableImpl.h"
+#include "SVGTransformImpl.h"
+#include "SVGStringListImpl.h"
+#include "SVGSVGElementImpl.h"
+#include "SVGTransformListImpl.h"
+#include "SVGTransformableImpl.h"
+#include "SVGAnimatedLengthImpl.h"
+#include "SVGAnimatedLengthListImpl.h"
+
+#include "KSVGCanvas.h"
+#include "CanvasItem.h"
+
+using namespace KSVG;
+
+#include "ksvg_ecma.h"
+#include "ksvg_window.h"
+
+SVGHelperImpl::SVGHelperImpl()
+{
+}
+
+SVGHelperImpl::~SVGHelperImpl()
+{
+}
+
+void SVGHelperImpl::updateItem(KJS::ExecState *exec, const DOM::Node node)
+{
+ // Get document
+ SVGDocumentImpl *doc = Window::retrieveActive(exec)->doc();
+
+ // Update canvas, recursively if needed
+ SVGShapeImpl *shape = dynamic_cast<SVGShapeImpl *>(doc->getElementFromHandle(node.handle()));
+
+ if(shape && shape->item())
+ {
+ shape->item()->update(UPDATE_TRANSFORM);
+ shape->item()->draw();
+ shape->blit(doc->canvas());
+ }
+
+ if(const_cast<DOM::Node &>(node).hasChildNodes())
+ {
+ DOM::Node iterate = node.firstChild();
+ for(; !iterate.isNull(); iterate = iterate.nextSibling())
+ updateItem(exec, iterate);
+ }
+}
+
+void SVGHelperImpl::copyAttributes(SVGElementImpl *src, SVGElementImpl *dst)
+{
+ QDictIterator<DOM::DOMString> it(src->attributes());
+ for(; it.current(); ++it)
+ {
+ DOM::DOMString name = it.currentKey();
+ DOM::DOMString value = it.current()->string();
+
+ if(name != "id" && !dst->hasAttribute(name))
+ {
+ dst->setAttribute(name, value);
+ dst->setAttributeInternal(name, value);
+ }
+ }
+}
+
+void SVGHelperImpl::parseList(SVGStringListImpl *list, char seperator, const QString &data)
+{
+ // TODO : more error checking/reporting
+ list->clear();
+
+ QStringList substrings = QStringList::split(seperator, data);
+ QStringList::ConstIterator it = substrings.begin();
+ QStringList::ConstIterator end = substrings.end();
+ for(; it != end; ++it)
+ {
+ SharedString *string = new SharedString(*it);
+ string->ref();
+
+ list->appendItem(string);
+ }
+}
+
+void SVGHelperImpl::parseLengthList(SVGAnimatedLengthListImpl *list, const QString &lengths, LengthMode mode, SVGElementImpl *object)
+{
+ // get either comma or space delimited lists
+ // TODO : more error checking/reporting
+ QStringList sublengths = QStringList::split(QRegExp("[, ]"), lengths);
+ QStringList::ConstIterator it = sublengths.begin();
+ QStringList::ConstIterator end = sublengths.end();
+
+ SVGLengthImpl *lengthImpl = 0;
+ for(; it != end; ++it)
+ {
+ lengthImpl = new SVGLengthImpl(mode, object);
+ lengthImpl->ref();
+
+ lengthImpl->setValueAsString(*it);
+ list->baseVal()->appendItem(lengthImpl);
+ }
+}
+
+void SVGHelperImpl::parseCommaSeperatedList(SVGStringListImpl *list, const QString &data)
+{
+ parseList(list, ',', data);
+}
+
+void SVGHelperImpl::parseSemicolonSeperatedList(SVGStringListImpl *list, const QString &data)
+{
+ parseList(list, ';', data);
+}
+
+void SVGHelperImpl::parseTransformAttribute(SVGTransformListImpl *list, const QString &transform)
+{
+ // Split string for handling 1 transform statement at a time
+ QStringList subtransforms = QStringList::split(')', transform);
+ QStringList::ConstIterator it = subtransforms.begin();
+ QStringList::ConstIterator end = subtransforms.end();
+ for(; it != end; ++it)
+ {
+ QStringList subtransform = QStringList::split('(', (*it));
+
+ subtransform[0] = subtransform[0].stripWhiteSpace().lower();
+ subtransform[1] = subtransform[1].simplifyWhiteSpace();
+ QRegExp reg("([-]?\\d*\\.?\\d+(?:e[-]?\\d+)?)");
+
+ int pos = 0;
+ QStringList params;
+
+ while(pos >= 0)
+ {
+ pos = reg.search(subtransform[1], pos);
+ if(pos != -1)
+ {
+ params += reg.cap(1);
+ pos += reg.matchedLength();
+ }
+ }
+
+ if(subtransform[0].startsWith(";") || subtransform[0].startsWith(","))
+ subtransform[0] = subtransform[0].right(subtransform[0].length() - 1);
+
+ SVGTransformImpl *t = SVGSVGElementImpl::createSVGTransform();
+
+ if(subtransform[0] == "rotate")
+ {
+ if(params.count() == 3)
+ t->setRotate(params[0].toDouble(),
+ params[1].toDouble(),
+ params[2].toDouble());
+ else
+ t->setRotate(params[0].toDouble(), 0, 0);
+ }
+ else if(subtransform[0] == "translate")
+ {
+ if(params.count() == 2)
+ t->setTranslate(params[0].toDouble(), params[1].toDouble());
+ else // Spec : if only one param given, assume 2nd param to be 0
+ t->setTranslate(params[0].toDouble(), 0);
+ }
+ else if(subtransform[0] == "scale")
+ {
+ if(params.count() == 2)
+ t->setScale(params[0].toDouble(), params[1].toDouble());
+ else // Spec : if only one param given, assume uniform scaling
+ t->setScale(params[0].toDouble(), params[0].toDouble());
+ }
+ else if(subtransform[0] == "skewx")
+ t->setSkewX(params[0].toDouble());
+ else if(subtransform[0] == "skewy")
+ t->setSkewY(params[0].toDouble());
+ else if(subtransform[0] == "matrix")
+ {
+ if(params.count() >= 6)
+ {
+ SVGMatrixImpl *ret = new SVGMatrixImpl(params[0].toDouble(),
+ params[1].toDouble(),
+ params[2].toDouble(),
+ params[3].toDouble(),
+ params[4].toDouble(),
+ params[5].toDouble());
+ t->setMatrix(ret);
+ }
+ }
+
+ list->appendItem(t);
+ }
+}
+
+/// convert from user space to "real" pixels on rendering area
+QRect SVGHelperImpl::fromUserspace(SVGElementImpl *obj, const QRect &r)
+{
+ QRect sr;
+
+ SVGLocatableImpl *locate = dynamic_cast<SVGLocatableImpl *>(obj);
+
+ if(locate)
+ sr = locate->screenCTM()->qmatrix().mapRect(r);
+
+ return sr;
+}
+
+// vim:ts=4:noet