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
  24 //////////////////////////////////////////////////////////////////////////////
  25
  26 namespace svgio
  27 {
  28     namespace svgreader
  29     {
  30         SvgPolyNode::SvgPolyNode(
  31             SvgDocument& rDocument,
  32             SvgNode* pParent,
  33             bool bIsPolyline)
  34         :   SvgNode(SVGTokenPolygon, rDocument, pParent),
  35             maSvgStyleAttributes(*this),
  36             mpPolygon(0),
  37             mpaTransform(0),
  38             mbIsPolyline(bIsPolyline)
  39         {
  40         }
  41
  42         SvgPolyNode::~SvgPolyNode()
  43         {
  44             if(mpaTransform) delete mpaTransform;
  45             if(mpPolygon) delete mpPolygon;
  46         }
  47
  48         const SvgStyleAttributes* SvgPolyNode::getSvgStyleAttributes() const
  49         {
  50             static rtl::OUString aClassStrA(rtl::OUString::createFromAscii("polygon"));
  51             static rtl::OUString aClassStrB(rtl::OUString::createFromAscii("polyline"));
  52             return checkForCssStyle(mbIsPolyline? aClassStrB : aClassStrA, maSvgStyleAttributes);
  53         }
  54
  55         void SvgPolyNode::parseAttribute(const OUString& rTokenName, SVGToken aSVGToken, const OUString& aContent)
  56         {
  57             // call parent
  58             SvgNode::parseAttribute(rTokenName, aSVGToken, aContent);
  59
  60             // read style attributes
  61             maSvgStyleAttributes.parseStyleAttribute(rTokenName, aSVGToken, aContent);
  62
  63             // parse own
  64             switch(aSVGToken)
  65             {
  66                 case SVGTokenStyle:
  67                 {
  68                     maSvgStyleAttributes.readStyle(aContent);
  69                     break;
  70                 }
  71                 case SVGTokenPoints:
  72                 {
  73                     basegfx::B2DPolygon aPath;
  74
  75                     if(basegfx::tools::importFromSvgPoints(aPath, aContent))
  76                     {
  77                         if(aPath.count())
  78                         {
  79                             if(!isPolyline())
  80                             {
  81                                 aPath.setClosed(true);
  82                             }
  83
  84                             setPolygon(&aPath);
  85                         }
  86                     }
  87                     break;
  88                 }
  89                 case SVGTokenTransform:
  90                 {
  91                     const basegfx::B2DHomMatrix aMatrix(readTransform(aContent, *this));
  92
  93                     if(!aMatrix.isIdentity())
  94                     {
  95                         setTransform(&aMatrix);
  96                     }
  97                     break;
  98                 }
  99                 default:
 100                 {
 101                     break;
 102                 }
 103             }
 104         }
 105
 106         void SvgPolyNode::decomposeSvgNode(drawinglayer::primitive2d::Primitive2DSequence& rTarget, bool /*bReferenced*/) const
 107         {
 108             const SvgStyleAttributes* pStyle = getSvgStyleAttributes();
 109
 110             if(pStyle && getPolygon())
 111             {
 112                 drawinglayer::primitive2d::Primitive2DSequence aNewTarget;
 113
 114                 pStyle->add_path(basegfx::B2DPolyPolygon(*getPolygon()), aNewTarget);
 115
 116                 if(aNewTarget.hasElements())
 117                 {
 118                     pStyle->add_postProcess(rTarget, aNewTarget, getTransform());
 119                 }
 120             }
 121         }
 122     } // end of namespace svgreader
 123 } // end of namespace svgio
 124
 125 //////////////////////////////////////////////////////////////////////////////
 126 // eof
 127
 128 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */