xmloff/source/style/MarkerStyle.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 "xmloff/MarkerStyle.hxx"
  21 #include "xexptran.hxx"
  22 #include <xmloff/attrlist.hxx>
  23 #include <xmloff/nmspmap.hxx>
  24 #include <xmloff/xmluconv.hxx>
  25 #include "xmloff/xmlnmspe.hxx"
  26 #include <xmloff/xmltoken.hxx>
  27 #include <xmloff/xmlexp.hxx>
  28 #include <xmloff/xmlimp.hxx>
  29 #include <rtl/ustrbuf.hxx>
  30 #include <rtl/ustring.hxx>
  31 #include <com/sun/star/drawing/PolyPolygonBezierCoords.hpp>
  32
  33 using namespace ::com::sun::star;
  34
  35 using namespace ::xmloff::token;
  36
  37
  38 //-------------------------------------------------------------
  39 // Import
  40 //-------------------------------------------------------------
  41
  42 XMLMarkerStyleImport::XMLMarkerStyleImport( SvXMLImport& rImp )
  43     : rImport( rImp )
  44 {
  45 }
  46
  47 XMLMarkerStyleImport::~XMLMarkerStyleImport()
  48 {
  49 }
  50
  51 sal_Bool XMLMarkerStyleImport::importXML(
  52     const uno::Reference< xml::sax::XAttributeList >& xAttrList,
  53     uno::Any& rValue,
  54     OUString& rStrName )
  55 {
  56     sal_Bool bHasViewBox    = sal_False;
  57     sal_Bool bHasPathData   = sal_False;
  58     OUString aDisplayName;
  59
  60     SdXMLImExViewBox* pViewBox = NULL;
  61
  62     SvXMLNamespaceMap& rNamespaceMap = rImport.GetNamespaceMap();
  63     SvXMLUnitConverter& rUnitConverter = rImport.GetMM100UnitConverter();
  64
  65     OUString strPathData;
  66
  67     sal_Int16 nAttrCount = xAttrList.is() ? xAttrList->getLength() : 0;
  68     for( sal_Int16 i = 0; i < nAttrCount; i++ )
  69     {
  70         OUString aStrFullAttrName = xAttrList->getNameByIndex( i );
  71         OUString aStrAttrName;
  72         rNamespaceMap.GetKeyByAttrName( aStrFullAttrName, &aStrAttrName );
  73         OUString aStrValue = xAttrList->getValueByIndex( i );
  74
  75         if( IsXMLToken( aStrAttrName, XML_NAME ) )
  76         {
  77             rStrName = aStrValue;
  78         }
  79         else if( IsXMLToken( aStrAttrName, XML_DISPLAY_NAME ) )
  80         {
  81             aDisplayName = aStrValue;
  82         }
  83         else if( IsXMLToken( aStrAttrName, XML_VIEWBOX ) )
  84         {
  85             pViewBox = new SdXMLImExViewBox( aStrValue, rUnitConverter );
  86             bHasViewBox = sal_True;
  87
  88         }
  89         else if( IsXMLToken( aStrAttrName, XML_D ) )
  90         {
  91             strPathData = aStrValue;
  92             bHasPathData = sal_True;
  93         }
  94     }
  95
  96     if( bHasViewBox && bHasPathData )
  97     {
  98         SdXMLImExSvgDElement aPoints(strPathData, *pViewBox, awt::Point( 0, 0 ),
  99             awt::Size( pViewBox->GetWidth(), pViewBox->GetHeight() ), rImport );
 100
 101         if(aPoints.IsCurve())
 102         {
 103             drawing::PolyPolygonBezierCoords aSourcePolyPolygon(
 104                 aPoints.GetPointSequenceSequence(),
 105                 aPoints.GetFlagSequenceSequence());
 106             rValue <<= aSourcePolyPolygon;
 107         }
 108         else
 109         {
 110             drawing::PolyPolygonBezierCoords aSourcePolyPolygon;
 111             aSourcePolyPolygon.Coordinates = aPoints.GetPointSequenceSequence();
 112             aSourcePolyPolygon.Flags.realloc(aSourcePolyPolygon.Coordinates.getLength());
 113
 114             // Zeiger auf innere sequences holen
 115             const drawing::PointSequence* pInnerSequence = aSourcePolyPolygon.Coordinates.getConstArray();
 116             drawing::FlagSequence* pInnerSequenceFlags = aSourcePolyPolygon.Flags.getArray();
 117
 118             for(sal_Int32 a(0); a < aSourcePolyPolygon.Coordinates.getLength(); a++)
 119             {
 120                 pInnerSequenceFlags->realloc(pInnerSequence->getLength());
 121                 drawing::PolygonFlags* pPolyFlags = pInnerSequenceFlags->getArray();
 122
 123                 for(sal_Int32 b(0); b < pInnerSequence->getLength(); b++)
 124                     *pPolyFlags++ = drawing::PolygonFlags_NORMAL;
 125
 126                 // next run
 127                 pInnerSequence++;
 128                 pInnerSequenceFlags++;
 129             }
 130
 131             rValue <<= aSourcePolyPolygon;
 132         }
 133
 134         if( !aDisplayName.isEmpty() )
 135         {
 136             rImport.AddStyleDisplayName( XML_STYLE_FAMILY_SD_MARKER_ID, rStrName,
 137                                         aDisplayName );
 138             rStrName = aDisplayName;
 139         }
 140
 141     }
 142
 143     if( pViewBox )
 144         delete pViewBox;
 145
 146     return bHasViewBox && bHasPathData;
 147 }
 148
 149
 150 //-------------------------------------------------------------
 151 // Export
 152 //-------------------------------------------------------------
 153
 154 XMLMarkerStyleExport::XMLMarkerStyleExport( SvXMLExport& rExp )
 155     : rExport( rExp )
 156 {
 157 }
 158
 159 XMLMarkerStyleExport::~XMLMarkerStyleExport()
 160 {
 161 }
 162
 163 sal_Bool XMLMarkerStyleExport::exportXML(
 164     const OUString& rStrName,
 165     const uno::Any& rValue )
 166 {
 167     sal_Bool bRet(sal_False);
 168
 169     if(!rStrName.isEmpty())
 170     {
 171         drawing::PolyPolygonBezierCoords aBezier;
 172
 173         if(rValue >>= aBezier)
 174         {
 175             /////////////////
 176             // Name
 177             sal_Bool bEncoded = sal_False;
 178             OUString aStrName( rStrName );
 179             rExport.AddAttribute( XML_NAMESPACE_DRAW, XML_NAME,
 180                                   rExport.EncodeStyleName( aStrName,
 181                                                            &bEncoded ) );
 182             if( bEncoded )
 183                 rExport.AddAttribute( XML_NAMESPACE_DRAW, XML_DISPLAY_NAME,
 184                                       aStrName );
 185
 186             /////////////////
 187             // Viewbox (viewBox="0 0 1500 1000")
 188             sal_Int32 nMinX(0x7fffffff);
 189             sal_Int32 nMaxX(0x80000000);
 190             sal_Int32 nMinY(0x7fffffff);
 191             sal_Int32 nMaxY(0x80000000);
 192             sal_Int32 nOuterCnt(aBezier.Coordinates.getLength());
 193             drawing::PointSequence* pOuterSequence = aBezier.Coordinates.getArray();
 194             sal_Int32 a, b;
 195             sal_Bool bClosed(sal_False);
 196
 197             for (a = 0; a < nOuterCnt; a++)
 198             {
 199                 drawing::PointSequence* pSequence = pOuterSequence++;
 200                 const awt::Point *pPoints = pSequence->getConstArray();
 201                 sal_Int32 nPointCount(pSequence->getLength());
 202
 203                 if(nPointCount)
 204                 {
 205                     const awt::Point aStart = pPoints[0];
 206                     const awt::Point aEnd = pPoints[nPointCount - 1];
 207
 208                     if(aStart.X == aEnd.X && aStart.Y == aEnd.Y)
 209                     {
 210                         bClosed = sal_True;
 211                     }
 212                 }
 213
 214                 for (b = 0; b < nPointCount; b++)
 215                 {
 216                     const awt::Point aPoint = pPoints[b];
 217
 218                     if( aPoint.X < nMinX )
 219                         nMinX = aPoint.X;
 220
 221                     if( aPoint.X > nMaxX )
 222                         nMaxX = aPoint.X;
 223
 224                     if( aPoint.Y < nMinY )
 225                         nMinY = aPoint.Y;
 226
 227                     if( aPoint.Y > nMaxY )
 228                         nMaxY = aPoint.Y;
 229                 }
 230             }
 231
 232             sal_Int32 nDifX(nMaxX - nMinX);
 233             sal_Int32 nDifY(nMaxY - nMinY);
 234
 235             SdXMLImExViewBox aViewBox( 0, 0, nDifX, nDifY );
 236             rExport.AddAttribute( XML_NAMESPACE_SVG, XML_VIEWBOX, aViewBox.GetExportString() );
 237
 238             /////////////////
 239             // Pathdata
 240             pOuterSequence = aBezier.Coordinates.getArray();
 241             drawing::FlagSequence*  pOuterFlags = aBezier.Flags.getArray();
 242             SdXMLImExSvgDElement aSvgDElement(aViewBox, rExport);
 243
 244             for (a = 0; a < nOuterCnt; a++)
 245             {
 246                 drawing::PointSequence* pSequence = pOuterSequence++;
 247                 drawing::FlagSequence* pFlags = pOuterFlags++;
 248
 249                 aSvgDElement.AddPolygon(pSequence, pFlags,
 250                     awt::Point( 0, 0 ),
 251                     awt::Size( aViewBox.GetWidth(), aViewBox.GetHeight() ),
 252                     bClosed);
 253             }
 254
 255             // write point array
 256             rExport.AddAttribute(XML_NAMESPACE_SVG, XML_D, aSvgDElement.GetExportString());
 257
 258             /////////////////
 259             // Do Write
 260             SvXMLElementExport rElem( rExport, XML_NAMESPACE_DRAW, XML_MARKER,
 261                                       sal_True, sal_False );
 262         }
 263     }
 264
 265     return bRet;
 266 }
 267
 268 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */