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