sc/source/filter/html/htmlexp2.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 <svx/svditer.hxx>
  21 #include <svx/svdograf.hxx>
  22 #include <svx/svdoole2.hxx>
  23 #include <svx/svdpage.hxx>
  24 #include <svx/xoutbmp.hxx>
  25 #include <svx/svdxcgv.hxx>
  26 #include <sot/exchange.hxx>
  27 #include <svtools/htmlkywd.hxx>
  28 #include <svtools/htmlout.hxx>
  29 #include <svtools/transfer.hxx>
  30 #include <svtools/embedtransfer.hxx>
  31 #include <svl/urihelper.hxx>
  32 #include <tools/urlobj.hxx>
  33
  34 #include "htmlexp.hxx"
  35 #include "global.hxx"
  36 #include "document.hxx"
  37 #include "drwlayer.hxx"
  38 #include "ftools.hxx"
  39 #include <rtl/strbuf.hxx>
  40
  41 using namespace com::sun::star;
  42
  43 void ScHTMLExport::PrepareGraphics( ScDrawLayer* pDrawLayer, SCTAB nTab,
  44         SCCOL nStartCol, SCROW nStartRow,   SCCOL nEndCol, SCROW nEndRow )
  45 {
  46     if ( pDrawLayer->HasObjectsInRows( nTab, nStartRow, nEndRow ) )
  47     {
  48         SdrPage* pDrawPage = pDrawLayer->GetPage( static_cast<sal_uInt16>(nTab) );
  49         if ( pDrawPage )
  50         {
  51             bTabHasGraphics = true;
  52             FillGraphList( pDrawPage, nTab, nStartCol, nStartRow, nEndCol, nEndRow );
  53             size_t ListSize = aGraphList.size();
  54             for ( size_t i = 0; i < ListSize; ++i )
  55             {
  56                 ScHTMLGraphEntry* pE = &aGraphList[ i ];
  57                 if ( !pE->bInCell )
  58                 {   // not all cells: table next to some
  59                     bTabAlignedLeft = true;
  60                     break;
  61                 }
  62             }
  63         }
  64     }
  65 }
  66
  67 void ScHTMLExport::FillGraphList( const SdrPage* pPage, SCTAB nTab,
  68         SCCOL nStartCol, SCROW nStartRow,   SCCOL nEndCol, SCROW nEndRow )
  69 {
  70     if ( pPage->GetObjCount() )
  71     {
  72         Rectangle aRect;
  73         if ( !bAll )
  74             aRect = pDoc->GetMMRect( nStartCol, nStartRow, nEndCol, nEndRow, nTab );
  75         SdrObjListIter aIter( *pPage, IM_FLAT );
  76         SdrObject* pObject = aIter.Next();
  77         while ( pObject )
  78         {
  79             Rectangle aObjRect = pObject->GetCurrentBoundRect();
  80             if ( bAll || aRect.IsInside( aObjRect ) )
  81             {
  82                 Size aSpace;
  83                 ScRange aR = pDoc->GetRange( nTab, aObjRect );
  84                 // Rectangle in mm/100
  85                 Size aSize( MMToPixel( aObjRect.GetSize() ) );
  86                 // If the image is somewhere in a merged range we must
  87                 // move the anchor to the upper left (THE span cell).
  88                 pDoc->ExtendOverlapped( aR );
  89                 SCCOL nCol1 = aR.aStart.Col();
  90                 SCROW nRow1 = aR.aStart.Row();
  91                 SCCOL nCol2 = aR.aEnd.Col();
  92                 SCROW nRow2 = aR.aEnd.Row();
  93                 // All cells empty under object?
  94                 bool bInCell = (pDoc->GetEmptyLinesInBlock(
  95                     nCol1, nRow1, nTab, nCol2, nRow2, nTab, DIR_TOP )
  96                     == static_cast< SCSIZE >( nRow2 - nRow1 ));    // rows-1 !
  97                 if ( bInCell )
  98                 {   // Spacing in spanning cell
  99                     Rectangle aCellRect = pDoc->GetMMRect(
 100                         nCol1, nRow1, nCol2, nRow2, nTab );
 101                     aSpace = MMToPixel( Size(
 102                         aCellRect.GetWidth() - aObjRect.GetWidth(),
 103                         aCellRect.GetHeight() - aObjRect.GetHeight() ));
 104                     aSpace.Width() += (nCol2-nCol1) * (nCellSpacing+1);
 105                     aSpace.Height() += (nRow2-nRow1) * (nCellSpacing+1);
 106                     aSpace.Width() /= 2;
 107                     aSpace.Height() /= 2;
 108                 }
 109                 ScHTMLGraphEntry* pE = new ScHTMLGraphEntry( pObject,
 110                     aR, aSize, bInCell, aSpace );
 111                 aGraphList.push_back( pE );
 112             }
 113             pObject = aIter.Next();
 114         }
 115     }
 116 }
 117
 118 void ScHTMLExport::WriteGraphEntry( ScHTMLGraphEntry* pE )
 119 {
 120     SdrObject* pObject = pE->pObject;
 121     OStringBuffer aBuf;
 122     aBuf.append(' ').append(OOO_STRING_SVTOOLS_HTML_O_width).append('=').
 123         append(static_cast<sal_Int32>(pE->aSize.Width()));
 124     aBuf.append(' ').append(OOO_STRING_SVTOOLS_HTML_O_height).append('=').
 125         append(static_cast<sal_Int32>(pE->aSize.Height()));
 126     if ( pE->bInCell )
 127     {
 128         aBuf.append(' ').append(OOO_STRING_SVTOOLS_HTML_O_hspace).append('=').
 129             append(static_cast<sal_Int32>(pE->aSpace.Width()));
 130         aBuf.append(' ').append(OOO_STRING_SVTOOLS_HTML_O_vspace).append('=').
 131             append(static_cast<sal_Int32>(pE->aSpace.Height()));
 132     }
 133     OString aOpt = aBuf.makeStringAndClear();
 134     switch ( pObject->GetObjIdentifier() )
 135     {
 136         case OBJ_GRAF:
 137         {
 138             const SdrGrafObj* pSGO = static_cast<SdrGrafObj*>(pObject);
 139             const SdrGrafObjGeoData* pGeo = static_cast<SdrGrafObjGeoData*>(pSGO->GetGeoData());
 140             sal_uInt16 nMirrorCase = (pGeo->aGeo.nRotationAngle == 18000 ?
 141                     ( pGeo->bMirrored ? 3 : 4 ) : ( pGeo->bMirrored ? 2 : 1 ));
 142             bool bHMirr = ( ( nMirrorCase == 2 ) || ( nMirrorCase == 4 ) );
 143             bool bVMirr = ( ( nMirrorCase == 3 ) || ( nMirrorCase == 4 ) );
 144             sal_uLong nXOutFlags = 0;
 145             if ( bHMirr )
 146                 nXOutFlags |= XOUTBMP_MIRROR_HORZ;
 147             if ( bVMirr )
 148                 nXOutFlags |= XOUTBMP_MIRROR_VERT;
 149             OUString aLinkName;
 150             if ( pSGO->IsLinkedGraphic() )
 151                 aLinkName = pSGO->GetFileName();
 152             WriteImage( aLinkName, pSGO->GetGraphic(), aOpt, nXOutFlags );
 153             pE->bWritten = true;
 154         }
 155         break;
 156         case OBJ_OLE2:
 157         {
 158             const Graphic* pGraphic = static_cast<SdrOle2Obj*>(pObject)->GetGraphic();
 159             if ( pGraphic )
 160             {
 161                 OUString aLinkName;
 162                 WriteImage( aLinkName, *pGraphic, aOpt );
 163                 pE->bWritten = true;
 164             }
 165         }
 166         break;
 167         default:
 168         {
 169             Graphic aGraph( SdrExchangeView::GetObjGraphic(
 170                 pDoc->GetDrawLayer(), pObject ) );
 171             OUString aLinkName;
 172             WriteImage( aLinkName, aGraph, aOpt );
 173             pE->bWritten = true;
 174         }
 175     }
 176 }
 177
 178 void ScHTMLExport::WriteImage( OUString& rLinkName, const Graphic& rGrf,
 179             const OString& rImgOptions, sal_uLong nXOutFlags )
 180 {
 181     // Embedded graphic -> create an image file
 182     if( rLinkName.isEmpty() )
 183     {
 184         if( !aStreamPath.isEmpty() )
 185         {
 186             // Save as a PNG
 187             OUString aGrfNm( aStreamPath );
 188             nXOutFlags |= XOUTBMP_USE_NATIVE_IF_POSSIBLE;
 189             sal_uInt16 nErr = XOutBitmap::WriteGraphic( rGrf, aGrfNm,
 190                 "PNG", nXOutFlags );
 191
 192             // If it worked, create a URL for the IMG tag
 193             if( !nErr )
 194             {
 195                 rLinkName = URIHelper::SmartRel2Abs(
 196                         INetURLObject(aBaseURL),
 197                         aGrfNm,
 198                         URIHelper::GetMaybeFileHdl());
 199                 if ( HasCId() )
 200                     MakeCIdURL( rLinkName );
 201             }
 202         }
 203     }
 204     else
 205     {
 206         // Linked graphic - figure out the URL for the IMG tag
 207         if( bCopyLocalFileToINet || HasCId() )
 208         {
 209             CopyLocalFileToINet( rLinkName, aStreamPath );
 210             if ( HasCId() )
 211                 MakeCIdURL( rLinkName );
 212         }
 213         else
 214             rLinkName = URIHelper::SmartRel2Abs(
 215                     INetURLObject(aBaseURL),
 216                     rLinkName,
 217                     URIHelper::GetMaybeFileHdl());
 218     }
 219
 220     // If a URL was set, output the IMG tag.
 221     // <IMG SRC="..."[ rImgOptions]>
 222     if( !rLinkName.isEmpty() )
 223     {
 224         rStrm.WriteChar( '<' ).WriteCharPtr( OOO_STRING_SVTOOLS_HTML_image ).WriteChar( ' ' ).WriteCharPtr( OOO_STRING_SVTOOLS_HTML_O_src ).WriteCharPtr( "=\"" );
 225         HTMLOutFuncs::Out_String( rStrm, URIHelper::simpleNormalizedMakeRelative(
 226                     aBaseURL,
 227                     rLinkName ), eDestEnc ).WriteChar( '\"' );
 228         if ( !rImgOptions.isEmpty() )
 229             rStrm.WriteCharPtr( rImgOptions.getStr() );
 230         rStrm.WriteChar( '>' ).WriteCharPtr( SAL_NEWLINE_STRING ).WriteCharPtr( GetIndentStr() );
 231     }
 232 }
 233
 234 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */