svgio/source/svgreader/svglinenode.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/svglinenode.hxx>
  21 #include <basegfx/polygon/b2dpolygon.hxx>
  22 #include <basegfx/polygon/b2dpolygontools.hxx>
  23
  24 //////////////////////////////////////////////////////////////////////////////
  25
  26 namespace svgio
  27 {
  28     namespace svgreader
  29     {
  30         SvgLineNode::SvgLineNode(
  31             SvgDocument& rDocument,
  32             SvgNode* pParent)
  33         :   SvgNode(SVGTokenLine, rDocument, pParent),
  34             maSvgStyleAttributes(*this),
  35             maX1(0),
  36             maY1(0),
  37             maX2(0),
  38             maY2(0),
  39             mpaTransform(0)
  40         {
  41         }
  42
  43         SvgLineNode::~SvgLineNode()
  44         {
  45             if(mpaTransform) delete mpaTransform;
  46         }
  47
  48         const SvgStyleAttributes* SvgLineNode::getSvgStyleAttributes() const
  49         {
  50             static rtl::OUString aClassStr(rtl::OUString::createFromAscii("line"));
  51             return checkForCssStyle(aClassStr, maSvgStyleAttributes);
  52         }
  53
  54         void SvgLineNode::parseAttribute(const OUString& rTokenName, SVGToken aSVGToken, const OUString& aContent)
  55         {
  56             // call parent
  57             SvgNode::parseAttribute(rTokenName, aSVGToken, aContent);
  58
  59             // read style attributes
  60             maSvgStyleAttributes.parseStyleAttribute(rTokenName, aSVGToken, aContent);
  61
  62             // parse own
  63             switch(aSVGToken)
  64             {
  65                 case SVGTokenStyle:
  66                 {
  67                     maSvgStyleAttributes.readStyle(aContent);
  68                     break;
  69                 }
  70                 case SVGTokenX1:
  71                 {
  72                     SvgNumber aNum;
  73
  74                     if(readSingleNumber(aContent, aNum))
  75                     {
  76                         setX1(aNum);
  77                     }
  78                     break;
  79                 }
  80                 case SVGTokenY1:
  81                 {
  82                     SvgNumber aNum;
  83
  84                     if(readSingleNumber(aContent, aNum))
  85                     {
  86                         setY1(aNum);
  87                     }
  88                     break;
  89                 }
  90                 case SVGTokenX2:
  91                 {
  92                     SvgNumber aNum;
  93
  94                     if(readSingleNumber(aContent, aNum))
  95                     {
  96                         setX2(aNum);
  97                     }
  98                     break;
  99                 }
 100                 case SVGTokenY2:
 101                 {
 102                     SvgNumber aNum;
 103
 104                     if(readSingleNumber(aContent, aNum))
 105                     {
 106                         setY2(aNum);
 107                     }
 108                     break;
 109                 }
 110                 case SVGTokenTransform:
 111                 {
 112                     const basegfx::B2DHomMatrix aMatrix(readTransform(aContent, *this));
 113
 114                     if(!aMatrix.isIdentity())
 115                     {
 116                         setTransform(&aMatrix);
 117                     }
 118                     break;
 119                 }
 120                 default:
 121                 {
 122                     break;
 123                 }
 124             }
 125         }
 126
 127         void SvgLineNode::decomposeSvgNode(drawinglayer::primitive2d::Primitive2DSequence& rTarget, bool /*bReferenced*/) const
 128         {
 129             const SvgStyleAttributes* pStyle = getSvgStyleAttributes();
 130
 131             if(pStyle)
 132             {
 133                 const basegfx::B2DPoint X(
 134                     getX1().isSet() ? getX1().solve(*this, xcoordinate) : 0.0,
 135                     getY1().isSet() ? getY1().solve(*this, ycoordinate) : 0.0);
 136                 const basegfx::B2DPoint Y(
 137                     getX2().isSet() ? getX2().solve(*this, xcoordinate) : 0.0,
 138                     getY2().isSet() ? getY2().solve(*this, ycoordinate) : 0.0);
 139
 140                 if(!X.equal(Y))
 141                 {
 142                     basegfx::B2DPolygon aPath;
 143
 144                     aPath.append(X);
 145                     aPath.append(Y);
 146
 147                     drawinglayer::primitive2d::Primitive2DSequence aNewTarget;
 148
 149                     pStyle->add_path(basegfx::B2DPolyPolygon(aPath), aNewTarget);
 150
 151                     if(aNewTarget.hasElements())
 152                     {
 153                         pStyle->add_postProcess(rTarget, aNewTarget, getTransform());
 154                     }
 155                 }
 156             }
 157         }
 158     } // end of namespace svgreader
 159 } // end of namespace svgio
 160
 161 //////////////////////////////////////////////////////////////////////////////
 162 // eof
 163
 164 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */