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             maSvgStyleAttributes.checkForCssStyle(mbIsPolyline? aClassStrB : aClassStrA);
  53
  54             return &maSvgStyleAttributes;
  55         }
  56
  57         void SvgPolyNode::parseAttribute(const rtl::OUString& rTokenName, SVGToken aSVGToken, const rtl::OUString& aContent)
  58         {
  59             // call parent
  60             SvgNode::parseAttribute(rTokenName, aSVGToken, aContent);
  61
  62             // read style attributes
  63             maSvgStyleAttributes.parseStyleAttribute(rTokenName, aSVGToken, aContent);
  64
  65             // parse own
  66             switch(aSVGToken)
  67             {
  68                 case SVGTokenStyle:
  69                 {
  70                     maSvgStyleAttributes.readStyle(aContent);
  71                     break;
  72                 }
  73                 case SVGTokenPoints:
  74                 {
  75                     basegfx::B2DPolygon aPath;
  76
  77                     if(basegfx::tools::importFromSvgPoints(aPath, aContent))
  78                     {
  79                         if(aPath.count())
  80                         {
  81                             if(!isPolyline())
  82                             {
  83                                 aPath.setClosed(true);
  84                             }
  85
  86                             setPolygon(&aPath);
  87                         }
  88                     }
  89                     break;
  90                 }
  91                 case SVGTokenTransform:
  92                 {
  93                     const basegfx::B2DHomMatrix aMatrix(readTransform(aContent, *this));
  94
  95                     if(!aMatrix.isIdentity())
  96                     {
  97                         setTransform(&aMatrix);
  98                     }
  99                     break;
 100                 }
 101                 default:
 102                 {
 103                     break;
 104                 }
 105             }
 106         }
 107
 108         void SvgPolyNode::decomposeSvgNode(drawinglayer::primitive2d::Primitive2DSequence& rTarget, bool /*bReferenced*/) const
 109         {
 110             const SvgStyleAttributes* pStyle = getSvgStyleAttributes();
 111
 112             if(pStyle && getPolygon())
 113             {
 114                 drawinglayer::primitive2d::Primitive2DSequence aNewTarget;
 115
 116                 pStyle->add_path(basegfx::B2DPolyPolygon(*getPolygon()), aNewTarget);
 117
 118                 if(aNewTarget.hasElements())
 119                 {
 120                     pStyle->add_postProcess(rTarget, aNewTarget, getTransform());
 121                 }
 122             }
 123         }
 124     } // end of namespace svgreader
 125 } // end of namespace svgio
 126
 127 //////////////////////////////////////////////////////////////////////////////
 128 // eof
 129
 130 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */