svgio/source/svgreader/svgmarkernode.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 <svgmarkernode.hxx>
  21 #include <o3tl/string_view.hxx>
  22
  23 namespace svgio::svgreader
  24 {
  25         SvgMarkerNode::SvgMarkerNode(
  26             SvgDocument& rDocument,
  27             SvgNode* pParent)
  28         :   SvgNode(SVGToken::Marker, rDocument, pParent),
  29             maSvgStyleAttributes(*this),
  30             maRefX(0),
  31             maRefY(0),
  32             maMarkerUnits(MarkerUnits::strokeWidth),
  33             maMarkerWidth(3),
  34             maMarkerHeight(3),
  35             mfAngle(0.0),
  36             maMarkerOrient(MarkerOrient::notset),
  37             maContextStyleAttibutes(nullptr)
  38         {
  39         }
  40
  41         SvgMarkerNode::~SvgMarkerNode()
  42         {
  43         }
  44
  45         const SvgStyleAttributes* SvgMarkerNode::getSvgStyleAttributes() const
  46         {
  47             return checkForCssStyle(maSvgStyleAttributes);
  48         }
  49
  50         void SvgMarkerNode::parseAttribute(SVGToken aSVGToken, const OUString& aContent)
  51         {
  52             // call parent
  53             SvgNode::parseAttribute(aSVGToken, aContent);
  54
  55             // read style attributes
  56             maSvgStyleAttributes.parseStyleAttribute(aSVGToken, aContent);
  57
  58             // parse own
  59             switch(aSVGToken)
  60             {
  61                 case SVGToken::Style:
  62                 {
  63                     readLocalCssStyle(aContent);
  64                     break;
  65                 }
  66                 case SVGToken::ViewBox:
  67                 {
  68                     const basegfx::B2DRange aRange(readViewBox(aContent, *this));
  69
  70                     if(!aRange.isEmpty())
  71                     {
  72                         setViewBox(&aRange);
  73                     }
  74                     break;
  75                 }
  76                 case SVGToken::PreserveAspectRatio:
  77                 {
  78                     maSvgAspectRatio = readSvgAspectRatio(aContent);
  79                     break;
  80                 }
  81                 case SVGToken::RefX:
  82                 {
  83                     SvgNumber aNum;
  84
  85                     if(readSingleNumber(aContent, aNum))
  86                     {
  87                         maRefX = aNum;
  88                     }
  89                     break;
  90                 }
  91                 case SVGToken::RefY:
  92                 {
  93                     SvgNumber aNum;
  94
  95                     if(readSingleNumber(aContent, aNum))
  96                     {
  97                         maRefY = aNum;
  98                     }
  99                     break;
 100                 }
 101                 case SVGToken::MarkerUnits:
 102                 {
 103                     if(!aContent.isEmpty())
 104                     {
 105                         if(o3tl::equalsIgnoreAsciiCase(o3tl::trim(aContent), u"strokeWidth"))
 106                         {
 107                             setMarkerUnits(MarkerUnits::strokeWidth);
 108                         }
 109                         else if(o3tl::equalsIgnoreAsciiCase(o3tl::trim(aContent), commonStrings::aStrUserSpaceOnUse))
 110                         {
 111                             setMarkerUnits(MarkerUnits::userSpaceOnUse);
 112                         }
 113                     }
 114                     break;
 115                 }
 116                 case SVGToken::MarkerWidth:
 117                 {
 118                     SvgNumber aNum;
 119
 120                     if(readSingleNumber(aContent, aNum))
 121                     {
 122                         if(aNum.isPositive())
 123                         {
 124                             maMarkerWidth = aNum;
 125                         }
 126                     }
 127                     break;
 128                 }
 129                 case SVGToken::MarkerHeight:
 130                 {
 131                     SvgNumber aNum;
 132
 133                     if(readSingleNumber(aContent, aNum))
 134                     {
 135                         if(aNum.isPositive())
 136                         {
 137                             maMarkerHeight = aNum;
 138                         }
 139                     }
 140                     break;
 141                 }
 142                 case SVGToken::Orient:
 143                 {
 144                     const sal_Int32 nLen(aContent.getLength());
 145
 146                     if(nLen)
 147                     {
 148                         if(o3tl::equalsIgnoreAsciiCase(o3tl::trim(aContent), u"auto"))
 149                         {
 150                             setMarkerOrient(MarkerOrient::auto_start);
 151                         }
 152                         else if(o3tl::equalsIgnoreAsciiCase(o3tl::trim(aContent), u"auto-start-reverse"))
 153                         {
 154                             setMarkerOrient(MarkerOrient::auto_start_reverse);
 155                         }
 156                         else
 157                         {
 158                             sal_Int32 nPos(0);
 159                             double fAngle(0.0);
 160
 161                             if(readAngle(aContent, nPos, fAngle, nLen))
 162                             {
 163                                 setAngle(fAngle);
 164                             }
 165                         }
 166                     }
 167                     break;
 168                 }
 169                 default:
 170                 {
 171                     break;
 172                 }
 173             }
 174         }
 175
 176         const drawinglayer::primitive2d::Primitive2DContainer& SvgMarkerNode::getMarkerPrimitives() const
 177         {
 178             if(Display::None != getDisplay())
 179             {
 180                 decomposeSvgNode(const_cast< SvgMarkerNode* >(this)->aPrimitives, true);
 181             }
 182
 183             return aPrimitives;
 184         }
 185
 186         basegfx::B2DRange SvgMarkerNode::getCurrentViewPort() const
 187         {
 188             if(getViewBox())
 189             {
 190                 return *(getViewBox());
 191             }
 192             else
 193             {
 194                 return SvgNode::getCurrentViewPort();
 195             }
 196         }
 197
 198 } // end of namespace svgio::svgreader
 199
 200 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */