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::svgreader
  23 {
  24         SvgGNode::SvgGNode(
  25             SVGToken aType,
  26             SvgDocument& rDocument,
  27             SvgNode* pParent)
  28         :   SvgNode(aType, rDocument, pParent),
  29             maSvgStyleAttributes(*this)
  30         {
  31             OSL_ENSURE(aType == SVGTokenDefs || aType == SVGTokenG, "SvgGNode should only be used for Group and Defs (!)");
  32         }
  33
  34         SvgGNode::~SvgGNode()
  35         {
  36         }
  37
  38         const SvgStyleAttributes* SvgGNode::getSvgStyleAttributes() const
  39         {
  40             if (SVGTokenDefs == getType())
  41             {
  42                 // tdf#98599 attributes may be inherit by the children, therefore read them
  43                 return checkForCssStyle("defs", maSvgStyleAttributes);
  44             }
  45             else
  46             {
  47                 // #i125258# for SVGTokenG take CssStyles into account
  48                 return checkForCssStyle("g", maSvgStyleAttributes);
  49             }
  50         }
  51
  52         void SvgGNode::parseAttribute(const OUString& rTokenName, SVGToken aSVGToken, const OUString& aContent)
  53         {
  54             // call parent
  55             SvgNode::parseAttribute(rTokenName, aSVGToken, aContent);
  56
  57             // read style attributes
  58             maSvgStyleAttributes.parseStyleAttribute(aSVGToken, aContent, false);
  59
  60             // parse own
  61             switch(aSVGToken)
  62             {
  63                 case SVGTokenStyle:
  64                 {
  65                     readLocalCssStyle(aContent);
  66                     break;
  67                 }
  68                 case SVGTokenTransform:
  69                 {
  70                     const basegfx::B2DHomMatrix aMatrix(readTransform(aContent, *this));
  71
  72                     if(!aMatrix.isIdentity())
  73                     {
  74                         setTransform(&aMatrix);
  75                     }
  76                     break;
  77                 }
  78                 default:
  79                 {
  80                     break;
  81                 }
  82             }
  83         }
  84
  85         void SvgGNode::decomposeSvgNode(drawinglayer::primitive2d::Primitive2DContainer& rTarget, bool bReferenced) const
  86         {
  87             if(SVGTokenDefs == getType())
  88             {
  89                 // #i125258# no decompose needed for defs element, call parent for SVGTokenDefs
  90                 SvgNode::decomposeSvgNode(rTarget, bReferenced);
  91             }
  92             else
  93             {
  94                 // #i125258# for SVGTokenG decompose children
  95                 const SvgStyleAttributes* pStyle = getSvgStyleAttributes();
  96
  97                 if(pStyle)
  98                 {
  99                     const double fOpacity(pStyle->getOpacity().getNumber());
 100
 101                     if(fOpacity > 0.0 && Display_none != getDisplay())
 102                     {
 103                         drawinglayer::primitive2d::Primitive2DContainer aContent;
 104
 105                         // decompose children
 106                         SvgNode::decomposeSvgNode(aContent, bReferenced);
 107
 108                         if(!aContent.empty())
 109                         {
 110                             pStyle->add_postProcess(rTarget, aContent, getTransform());
 111                         }
 112                     }
 113                 }
 114             }
 115         }
 116 } // end of namespace svgio::svgreader
 117
 118 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */