xmloff/source/style/XMLBackgroundImageExport.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
  21 #include <com/sun/star/style/GraphicLocation.hpp>
  22
  23 #include <sax/tools/converter.hxx>
  24
  25 #include <xmloff/xmlnmspe.hxx>
  26 #include <xmloff/xmltoken.hxx>
  27 #include <rtl/ustrbuf.hxx>
  28 #include <xmloff/xmlexp.hxx>
  29 #include "XMLBackgroundImageExport.hxx"
  30
  31
  32 using namespace ::com::sun::star;
  33 using namespace ::com::sun::star::uno;
  34 using namespace ::com::sun::star::style;
  35 using namespace ::xmloff::token;
  36
  37 XMLBackgroundImageExport::XMLBackgroundImageExport( SvXMLExport& rExp ) :
  38     rExport( rExp )
  39 {
  40 }
  41
  42 XMLBackgroundImageExport::~XMLBackgroundImageExport()
  43 {
  44 }
  45
  46 void XMLBackgroundImageExport::exportXML( const Any& rURL,
  47             const Any *pPos,
  48             const Any *pFilter,
  49             const Any *pTransparency,
  50             sal_uInt16 nPrefix,
  51             const OUString& rLocalName )
  52 {
  53     GraphicLocation ePos;
  54     if( !(pPos && ((*pPos) >>= ePos)) )
  55         ePos = GraphicLocation_AREA;
  56
  57     OUString sURL;
  58     rURL >>= sURL;
  59     if( !sURL.isEmpty() && GraphicLocation_NONE != ePos )
  60     {
  61         OUString sTempURL( GetExport().AddEmbeddedGraphicObject( sURL ) );
  62         if( !sTempURL.isEmpty() )
  63         {
  64             GetExport().AddAttribute( XML_NAMESPACE_XLINK, XML_HREF, sTempURL );
  65             GetExport().AddAttribute( XML_NAMESPACE_XLINK, XML_TYPE,
  66                                       XML_SIMPLE );
  67             GetExport().AddAttribute( XML_NAMESPACE_XLINK, XML_ACTUATE,
  68                                       XML_ONLOAD );
  69         }
  70
  71         OUStringBuffer aOut;
  72         switch( ePos )
  73         {
  74         case GraphicLocation_LEFT_TOP:
  75         case GraphicLocation_MIDDLE_TOP:
  76         case GraphicLocation_RIGHT_TOP:
  77             aOut.append( GetXMLToken(XML_TOP) );
  78             break;
  79         case GraphicLocation_LEFT_MIDDLE:
  80         case GraphicLocation_MIDDLE_MIDDLE:
  81         case GraphicLocation_RIGHT_MIDDLE:
  82             aOut.append( GetXMLToken(XML_CENTER) );
  83             break;
  84         case GraphicLocation_LEFT_BOTTOM:
  85         case GraphicLocation_MIDDLE_BOTTOM:
  86         case GraphicLocation_RIGHT_BOTTOM:
  87             aOut.append( GetXMLToken(XML_BOTTOM) );
  88             break;
  89         default:
  90             break;
  91         }
  92
  93         if( !aOut.isEmpty() )
  94         {
  95             aOut.append( ' ' );
  96
  97             switch( ePos )
  98             {
  99             case GraphicLocation_LEFT_TOP:
 100             case GraphicLocation_LEFT_BOTTOM:
 101             case GraphicLocation_LEFT_MIDDLE:
 102                 aOut.append( GetXMLToken(XML_LEFT) );
 103                 break;
 104             case GraphicLocation_MIDDLE_TOP:
 105             case GraphicLocation_MIDDLE_MIDDLE:
 106             case GraphicLocation_MIDDLE_BOTTOM:
 107                 aOut.append( GetXMLToken(XML_CENTER) );
 108                 break;
 109             case GraphicLocation_RIGHT_MIDDLE:
 110             case GraphicLocation_RIGHT_TOP:
 111             case GraphicLocation_RIGHT_BOTTOM:
 112                 aOut.append( GetXMLToken(XML_RIGHT) );
 113                 break;
 114             default:
 115                 break;
 116             }
 117         }
 118         if( !aOut.isEmpty() )
 119             GetExport().AddAttribute( XML_NAMESPACE_STYLE,
 120                                   XML_POSITION, aOut.makeStringAndClear() );
 121
 122         if( GraphicLocation_AREA == ePos )
 123         {
 124             aOut.append( GetXMLToken(XML_BACKGROUND_STRETCH) );
 125         }
 126         else if( GraphicLocation_NONE != ePos && GraphicLocation_TILED != ePos  )
 127         {
 128             aOut.append( GetXMLToken(XML_BACKGROUND_NO_REPEAT) );
 129         }
 130         if( !aOut.isEmpty() )
 131             GetExport().AddAttribute( XML_NAMESPACE_STYLE, XML_REPEAT,
 132                           aOut.makeStringAndClear() );
 133
 134         if( pFilter )
 135         {
 136             OUString sFilter;
 137             (*pFilter) >>= sFilter;
 138             if( !sFilter.isEmpty() )
 139                 GetExport().AddAttribute( XML_NAMESPACE_STYLE, XML_FILTER_NAME,
 140                                           sFilter );
 141         }
 142
 143         if( pTransparency )
 144         {
 145             sal_Int8 nTransparency = sal_Int8();
 146             if( (*pTransparency) >>= nTransparency )
 147             {
 148                 OUStringBuffer aTransOut;
 149                 ::sax::Converter::convertPercent(aTransOut, 100-nTransparency);
 150                 GetExport().AddAttribute( XML_NAMESPACE_DRAW, XML_OPACITY,
 151                                           aTransOut.makeStringAndClear() );
 152             }
 153         }
 154     }
 155
 156     {
 157         SvXMLElementExport aElem( GetExport(), nPrefix, rLocalName, true, true );
 158         if( !sURL.isEmpty() && GraphicLocation_NONE != ePos )
 159         {
 160             // optional office:binary-data
 161             GetExport().AddEmbeddedGraphicObjectAsBase64( sURL );
 162         }
 163     }
 164 }
 165
 166 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */