svgio/source/svgreader/svggnode.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include <svggnode.hxx>
  21
  22 namespace svgio
  23 {
  24     namespace svgreader
  25     {
  26         SvgGNode::SvgGNode(
  27             SVGToken aType,
  28             SvgDocument& rDocument,
  29             SvgNode* pParent)
  30         :   SvgNode(aType, rDocument, pParent),
  31             maSvgStyleAttributes(*this)
  32         {
  33             OSL_ENSURE(aType == SVGTokenDefs || aType == SVGTokenG, "SvgGNode should only be used for Group and Defs (!)");
  34         }
  35
  36         SvgGNode::~SvgGNode()
  37         {
  38         }
  39
  40         const SvgStyleAttributes* SvgGNode::getSvgStyleAttributes() const
  41         {
  42             if (SVGTokenDefs == getType())
  43             {
  44                 // tdf#98599 attributes may be inherit by the children, therefore read them
  45                 return checkForCssStyle("defs", maSvgStyleAttributes);
  46             }
  47             else
  48             {
  49                 // #i125258# for SVGTokenG take CssStyles into account
  50                 return checkForCssStyle("g", maSvgStyleAttributes);
  51             }
  52         }
  53
  54         void SvgGNode::parseAttribute(const OUString& rTokenName, SVGToken aSVGToken, const OUString& aContent)
  55         {
  56             // call parent
  57             SvgNode::parseAttribute(rTokenName, aSVGToken, aContent);
  58
  59             // read style attributes
  60             maSvgStyleAttributes.parseStyleAttribute(aSVGToken, aContent, false);
  61
  62             // parse own
  63             switch(aSVGToken)
  64             {
  65                 case SVGTokenStyle:
  66                 {
  67                     readLocalCssStyle(aContent);
  68                     break;
  69                 }
  70                 case SVGTokenTransform:
  71                 {
  72                     const basegfx::B2DHomMatrix aMatrix(readTransform(aContent, *this));
  73
  74                     if(!aMatrix.isIdentity())
  75                     {
  76                         setTransform(&aMatrix);
  77                     }
  78                     break;
  79                 }
  80                 default:
  81                 {
  82                     break;
  83                 }
  84             }
  85         }
  86
  87         void SvgGNode::decomposeSvgNode(drawinglayer::primitive2d::Primitive2DContainer& rTarget, bool bReferenced) const
  88         {
  89             if(SVGTokenDefs == getType())
  90             {
  91                 // #i125258# no decompose needed for defs element, call parent for SVGTokenDefs
  92                 SvgNode::decomposeSvgNode(rTarget, bReferenced);
  93             }
  94             else
  95             {
  96                 // #i125258# for SVGTokenG decompose children
  97                 const SvgStyleAttributes* pStyle = getSvgStyleAttributes();
  98
  99                 if(pStyle)
 100                 {
 101                     const double fOpacity(pStyle->getOpacity().getNumber());
 102
 103                     if(fOpacity > 0.0 && Display_none != getDisplay())
 104                     {
 105                         drawinglayer::primitive2d::Primitive2DContainer aContent;
 106
 107                         // decompose children
 108                         SvgNode::decomposeSvgNode(aContent, bReferenced);
 109
 110                         if(!aContent.empty())
 111                         {
 112                             pStyle->add_postProcess(rTarget, aContent, getTransform());
 113                         }
 114                     }
 115                 }
 116             }
 117         }
 118     } // end of namespace svgreader
 119 } // end of namespace svgio
 120
 121 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */