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 <svgio/svgreader/svggnode.hxx>
  21 #include <drawinglayer/primitive2d/transformprimitive2d.hxx>
  22 #include <drawinglayer/primitive2d/unifiedtransparenceprimitive2d.hxx>
  23
  24 namespace svgio
  25 {
  26     namespace svgreader
  27     {
  28         SvgGNode::SvgGNode(
  29             SVGToken aType,
  30             SvgDocument& rDocument,
  31             SvgNode* pParent)
  32         :   SvgNode(aType, rDocument, pParent),
  33             maSvgStyleAttributes(*this),
  34             mpaTransform(0)
  35         {
  36             OSL_ENSURE(aType == SVGTokenDefs || aType == SVGTokenG, "SvgGNode should ony be used for Group and Defs (!)");
  37         }
  38
  39         SvgGNode::~SvgGNode()
  40         {
  41             if(mpaTransform) delete mpaTransform;
  42         }
  43
  44         const SvgStyleAttributes* SvgGNode::getSvgStyleAttributes() const
  45         {
  46             if (SVGTokenDefs == getType())
  47             {
  48                 // #i125258# call parent for SVGTokenDefs
  49                 return SvgNode::getSvgStyleAttributes();
  50             }
  51             else
  52             {
  53                 // #i125258# for SVGTokenG take CssStyles into account
  54                 return checkForCssStyle(OUString("g"), maSvgStyleAttributes);
  55             }
  56         }
  57
  58         void SvgGNode::parseAttribute(const OUString& rTokenName, SVGToken aSVGToken, const OUString& aContent)
  59         {
  60             // call parent
  61             SvgNode::parseAttribute(rTokenName, aSVGToken, aContent);
  62
  63             // read style attributes
  64             maSvgStyleAttributes.parseStyleAttribute(rTokenName, aSVGToken, aContent, false);
  65
  66             // parse own
  67             switch(aSVGToken)
  68             {
  69                 case SVGTokenStyle:
  70                 {
  71                     readLocalCssStyle(aContent);
  72                     break;
  73                 }
  74                 case SVGTokenTransform:
  75                 {
  76                     const basegfx::B2DHomMatrix aMatrix(readTransform(aContent, *this));
  77
  78                     if(!aMatrix.isIdentity())
  79                     {
  80                         setTransform(&aMatrix);
  81                     }
  82                     break;
  83                 }
  84                 default:
  85                 {
  86                     break;
  87                 }
  88             }
  89         }
  90
  91         void SvgGNode::decomposeSvgNode(drawinglayer::primitive2d::Primitive2DSequence& rTarget, bool bReferenced) const
  92         {
  93             if(SVGTokenDefs == getType())
  94             {
  95                 // #i125258# no decompose needed for defs element, call parent for SVGTokenDefs
  96                 SvgNode::decomposeSvgNode(rTarget, bReferenced);
  97             }
  98             else
  99             {
 100                 // #i125258# for SVGTokenG decompose children
 101                 const SvgStyleAttributes* pStyle = getSvgStyleAttributes();
 102
 103                 if(pStyle)
 104                 {
 105                     const double fOpacity(pStyle->getOpacity().getNumber());
 106
 107                     if(fOpacity > 0.0 && Display_none != getDisplay())
 108                     {
 109                         drawinglayer::primitive2d::Primitive2DSequence aContent;
 110
 111                         // decompose children
 112                         SvgNode::decomposeSvgNode(aContent, bReferenced);
 113
 114                         if(aContent.hasElements())
 115                         {
 116                             pStyle->add_postProcess(rTarget, aContent, getTransform());
 117                         }
 118                     }
 119                 }
 120             }
 121         }
 122     } // end of namespace svgreader
 123 } // end of namespace svgio
 124
 125 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */