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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <svgio/svgreader/svgnode.hxx>
+#include <basegfx/polygon/b2dpolypolygontools.hxx>
+#include <svgio/svgreader/svgdocument.hxx>
+#include <svgio/svgreader/svgnode.hxx>
+#include <svgio/svgreader/svgstyleattributes.hxx>
+
+//////////////////////////////////////////////////////////////////////////////
+
+namespace svgio
+{
+ namespace svgreader
+ {
+ const SvgStyleAttributes* SvgNode::getSvgStyleAttributes() const
+ {
+ return 0;
+ }
+
+ SvgNode::SvgNode(
+ SVGToken aType,
+ SvgDocument& rDocument,
+ SvgNode* pParent)
+ : maType(aType),
+ mrDocument(rDocument),
+ mpParent(pParent),
+ mpAlternativeParent(0),
+ maChildren(),
+ mpId(0),
+ mpClass(0),
+ maXmlSpace(XmlSpace_notset)
+ {
+ OSL_ENSURE(SVGTokenUnknown != maType, "SvgNode with unknown type created (!)");
+
+ if(pParent)
+ {
+ pParent->maChildren.push_back(this);
+ }
+ else
+ {
+#ifdef DBG_UTIL
+ if(SVGTokenSvg != getType())
+ {
+ OSL_ENSURE(false, "No parent for this node (!)");
+ }
+#endif
+ }
+ }
+
+ SvgNode::~SvgNode()
+ {
+ while(maChildren.size())
+ {
+ delete maChildren[maChildren.size() - 1];
+ maChildren.pop_back();
+ }
+
+ if(mpId) delete mpId;
+ if(mpClass) delete mpClass;
+ }
+
+ void SvgNode::parseAttributes(const com::sun::star::uno::Reference< com::sun::star::xml::sax::XAttributeList >& xAttribs)
+ {
+ const sal_uInt32 nAttributes(xAttribs->getLength());
+
+ for(sal_uInt32 a(0); a < nAttributes; a++)
+ {
+ const ::rtl::OUString aTokenName(xAttribs->getNameByIndex(a));
+
+ parseAttribute(aTokenName, StrToSVGToken(aTokenName), xAttribs->getValueByIndex(a));
+ }
+ }
+
+ void SvgNode::parseAttribute(const rtl::OUString& /*rTokenName*/, SVGToken aSVGToken, const rtl::OUString& aContent)
+ {
+ switch(aSVGToken)
+ {
+ case SVGTokenId:
+ {
+ if(aContent.getLength())
+ {
+ setId(&aContent);
+ }
+ break;
+ }
+ case SVGTokenClass:
+ {
+ if(aContent.getLength())
+ {
+ setClass(&aContent);
+ }
+ break;
+ }
+ case SVGTokenXmlSpace:
+ {
+ if(aContent.getLength())
+ {
+ static rtl::OUString aStrDefault(rtl::OUString::createFromAscii("default"));
+ static rtl::OUString aStrPreserve(rtl::OUString::createFromAscii("preserve"));
+
+ if(aContent.match(aStrDefault))
+ {
+ setXmlSpace(XmlSpace_default);
+ }
+ else if(aContent.match(aStrPreserve))
+ {
+ setXmlSpace(XmlSpace_preserve);
+ }
+ }
+ break;
+ }
+ default:
+ {
+ break;
+ }
+ }
+ }
+
+ void SvgNode::decomposeSvgNode(drawinglayer::primitive2d::Primitive2DSequence& rTarget, bool bReferenced) const
+ {
+ if(!bReferenced)
+ {
+ if(SVGTokenDefs == getType() ||
+ SVGTokenSymbol == getType() ||
+ SVGTokenClipPathNode == getType() ||
+ SVGTokenMask == getType() ||
+ SVGTokenMarker == getType() ||
+ SVGTokenPattern == getType())
+ {
+ // do not decompose defs or symbol nodes (these hold only style-like
+ // objects which may be used by referencing them) except when doing
+ // so controlled referenced
+
+ // also do not decompose ClipPaths and Masks. These should be embedded
+ // in a defs node (which gets not decomposed by itself), but you never
+ // know
+
+ // also not directly used are Markers and Patterns, only indirecty used
+ // by reference
+ return;
+ }
+ }
+
+ const SvgNodeVector& rChildren = getChildren();
+
+ if(!rChildren.empty())
+ {
+ const sal_uInt32 nCount(rChildren.size());
+
+ for(sal_uInt32 a(0); a < nCount; a++)
+ {
+ SvgNode* pCandidate = rChildren[a];
+
+ if(pCandidate)
+ {
+ drawinglayer::primitive2d::Primitive2DSequence aNewTarget;
+
+ pCandidate->decomposeSvgNode(aNewTarget, bReferenced);
+
+ if(aNewTarget.hasElements())
+ {
+ drawinglayer::primitive2d::appendPrimitive2DSequenceToPrimitive2DSequence(rTarget, aNewTarget);
+ }
+ }
+ else
+ {
+ OSL_ENSURE(false, "Null-Pointer in child node list (!)");
+ }
+ }
+ }
+ }
+
+ const basegfx::B2DRange* SvgNode::getCurrentViewPort() const
+ {
+ if(getParent())
+ {
+ return getParent()->getCurrentViewPort();
+ }
+ else
+ {
+ return 0;
+ }
+ }
+
+ double SvgNode::getCurrentFontSize() const
+ {
+ if(getSvgStyleAttributes())
+ {
+ return getSvgStyleAttributes()->getFontSize().solve(*this, xcoordinate);
+ }
+ else if(getParent())
+ {
+ return getParent()->getCurrentFontSize();
+ }
+ else
+ {
+ return 0.0;
+ }
+ }
+
+ double SvgNode::getCurrentXHeight() const
+ {
+ if(getSvgStyleAttributes())
+ {
+ // for XHeight, use FontSize currently
+ return getSvgStyleAttributes()->getFontSize().solve(*this, ycoordinate);
+ }
+ else if(getParent())
+ {
+ return getParent()->getCurrentXHeight();
+ }
+ else
+ {
+ return 0.0;
+ }
+ }
+
+ void SvgNode::setId(const rtl::OUString* pfId)
+ {
+ if(mpId)
+ {
+ mrDocument.removeSvgNodeFromMapper(*mpId);
+ delete mpId;
+ mpId = 0;
+ }
+
+ if(pfId)
+ {
+ mpId = new rtl::OUString(*pfId);
+ mrDocument.addSvgNodeToMapper(*mpId, *this);
+ }
+ }
+
+ void SvgNode::setClass(const rtl::OUString* pfClass)
+ {
+ if(mpClass)
+ {
+ mrDocument.removeSvgNodeFromMapper(*mpClass);
+ delete mpClass;
+ mpClass = 0;
+ }
+
+ if(pfClass)
+ {
+ mpClass = new rtl::OUString(*pfClass);
+ mrDocument.addSvgNodeToMapper(*mpClass, *this);
+ }
+ }
+
+ XmlSpace SvgNode::getXmlSpace() const
+ {
+ if(maXmlSpace != XmlSpace_notset)
+ {
+ return maXmlSpace;
+ }
+
+ if(getParent())
+ {
+ return getParent()->getXmlSpace();
+ }
+
+ // default is XmlSpace_default
+ return XmlSpace_default;
+ }
+
+ } // end of namespace svgreader
+} // end of namespace svgio
+
+//////////////////////////////////////////////////////////////////////////////
+// eof
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */