svgio/source/svgreader/svgpolynode.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 <svgpolynode.hxx>
  21 #include <basegfx/polygon/b2dpolygon.hxx>
  22 #include <basegfx/polygon/b2dpolypolygontools.hxx>
  23 #include <basegfx/polygon/b2dpolygontools.hxx>
  24
  25 namespace svgio
  26 {
  27     namespace svgreader
  28     {
  29         SvgPolyNode::SvgPolyNode(
  30             SvgDocument& rDocument,
  31             SvgNode* pParent,
  32             bool bIsPolyline)
  33         :   SvgNode(SVGTokenPolygon, rDocument, pParent),
  34             maSvgStyleAttributes(*this),
  35             mbIsPolyline(bIsPolyline)
  36         {
  37         }
  38
  39         SvgPolyNode::~SvgPolyNode()
  40         {
  41         }
  42
  43         const SvgStyleAttributes* SvgPolyNode::getSvgStyleAttributes() const
  44         {
  45             return checkForCssStyle(mbIsPolyline? OUString("polyline") : OUString("polygon"), maSvgStyleAttributes);
  46         }
  47
  48         void SvgPolyNode::parseAttribute(const OUString& rTokenName, SVGToken aSVGToken, const OUString& aContent)
  49         {
  50             // call parent
  51             SvgNode::parseAttribute(rTokenName, aSVGToken, aContent);
  52
  53             // read style attributes
  54             maSvgStyleAttributes.parseStyleAttribute(aSVGToken, aContent, false);
  55
  56             // parse own
  57             switch(aSVGToken)
  58             {
  59                 case SVGTokenStyle:
  60                 {
  61                     readLocalCssStyle(aContent);
  62                     break;
  63                 }
  64                 case SVGTokenPoints:
  65                 {
  66                     basegfx::B2DPolygon aPath;
  67
  68                     if(basegfx::utils::importFromSvgPoints(aPath, aContent))
  69                     {
  70                         if(aPath.count())
  71                         {
  72                             if(!mbIsPolyline)
  73                             {
  74                                 aPath.setClosed(true);
  75                             }
  76
  77                             setPolygon(&aPath);
  78                         }
  79                     }
  80                     break;
  81                 }
  82                 case SVGTokenTransform:
  83                 {
  84                     const basegfx::B2DHomMatrix aMatrix(readTransform(aContent, *this));
  85
  86                     if(!aMatrix.isIdentity())
  87                     {
  88                         setTransform(&aMatrix);
  89                     }
  90                     break;
  91                 }
  92                 default:
  93                 {
  94                     break;
  95                 }
  96             }
  97         }
  98
  99         void SvgPolyNode::decomposeSvgNode(drawinglayer::primitive2d::Primitive2DContainer& rTarget, bool /*bReferenced*/) const
 100         {
 101             const SvgStyleAttributes* pStyle = getSvgStyleAttributes();
 102
 103             if(pStyle && mpPolygon)
 104             {
 105                 drawinglayer::primitive2d::Primitive2DContainer aNewTarget;
 106
 107                 pStyle->add_path(basegfx::B2DPolyPolygon(*mpPolygon), aNewTarget, nullptr);
 108
 109                 if(!aNewTarget.empty())
 110                 {
 111                     pStyle->add_postProcess(rTarget, aNewTarget, getTransform());
 112                 }
 113             }
 114         }
 115     } // end of namespace svgreader
 116 } // end of namespace svgio
 117
 118 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */