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 <svgio/svgreader/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             mpPolygon(0),
  36             mpaTransform(0),
  37             mbIsPolyline(bIsPolyline)
  38         {
  39         }
  40
  41         SvgPolyNode::~SvgPolyNode()
  42         {
  43             if(mpaTransform) delete mpaTransform;
  44             if(mpPolygon) delete mpPolygon;
  45         }
  46
  47         const SvgStyleAttributes* SvgPolyNode::getSvgStyleAttributes() const
  48         {
  49             return checkForCssStyle(mbIsPolyline? OUString("polyline") : OUString("polygon"), maSvgStyleAttributes);
  50         }
  51
  52         void SvgPolyNode::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(rTokenName, aSVGToken, aContent, false);
  59
  60             // parse own
  61             switch(aSVGToken)
  62             {
  63                 case SVGTokenStyle:
  64                 {
  65                     readLocalCssStyle(aContent);
  66                     break;
  67                 }
  68                 case SVGTokenPoints:
  69                 {
  70                     basegfx::B2DPolygon aPath;
  71
  72                     if(basegfx::tools::importFromSvgPoints(aPath, aContent))
  73                     {
  74                         if(aPath.count())
  75                         {
  76                             if(!isPolyline())
  77                             {
  78                                 aPath.setClosed(true);
  79                             }
  80
  81                             setPolygon(&aPath);
  82                         }
  83                     }
  84                     break;
  85                 }
  86                 case SVGTokenTransform:
  87                 {
  88                     const basegfx::B2DHomMatrix aMatrix(readTransform(aContent, *this));
  89
  90                     if(!aMatrix.isIdentity())
  91                     {
  92                         setTransform(&aMatrix);
  93                     }
  94                     break;
  95                 }
  96                 default:
  97                 {
  98                     break;
  99                 }
 100             }
 101         }
 102
 103         void SvgPolyNode::decomposeSvgNode(drawinglayer::primitive2d::Primitive2DSequence& rTarget, bool /*bReferenced*/) const
 104         {
 105             const SvgStyleAttributes* pStyle = getSvgStyleAttributes();
 106
 107             if(pStyle && getPolygon())
 108             {
 109                 drawinglayer::primitive2d::Primitive2DSequence aNewTarget;
 110
 111                 pStyle->add_path(basegfx::B2DPolyPolygon(*getPolygon()), aNewTarget, 0);
 112
 113                 if(aNewTarget.hasElements())
 114                 {
 115                     pStyle->add_postProcess(rTarget, aNewTarget, getTransform());
 116                 }
 117             }
 118         }
 119     } // end of namespace svgreader
 120 } // end of namespace svgio
 121
 122 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */