svtools/source/urlobj/inetimg.cxx

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  30
  31 // MARKER(update_precomp.py): autogen include statement, do not remove
  32 #include "precompiled_svtools.hxx"
  33 #include <tools/debug.hxx>
  34 #include <sot/formats.hxx>
  35 #include <tools/stream.hxx>
  36
  37 #ifndef GCC
  38 #endif
  39
  40 #include "inetimg.hxx"
  41
  42 #define TOKEN_SEPARATOR '\001'
  43
  44 sal_Bool INetImage::Write( SvStream& rOStm, ULONG nFormat ) const
  45 {
  46     sal_Bool bRet = sal_False;
  47     switch( nFormat )
  48     {
  49     case SOT_FORMATSTR_ID_INET_IMAGE:
  50         {
  51             String sString;
  52             (sString += aImageURL ) += TOKEN_SEPARATOR;
  53             (sString += aTargetURL ) += TOKEN_SEPARATOR;
  54             (sString += aTargetFrame ) += TOKEN_SEPARATOR;
  55             (sString += aAlternateText ) += TOKEN_SEPARATOR;
  56             sString += String::CreateFromInt32( aSizePixel.Width() );
  57             sString += TOKEN_SEPARATOR;
  58             sString += String::CreateFromInt32( aSizePixel.Height() );
  59             ByteString sOut( sString, RTL_TEXTENCODING_UTF8 );
  60
  61             rOStm.Write( sOut.GetBuffer(), sOut.Len() );
  62             static const sal_Char aEndChar[2] = { 0 };
  63             rOStm.Write( aEndChar, sizeof( aEndChar ));
  64             bRet = 0 == rOStm.GetError();
  65         }
  66         break;
  67
  68     case SOT_FORMATSTR_ID_NETSCAPE_IMAGE:
  69         break;
  70     }
  71     return bRet;
  72 }
  73
  74 sal_Bool INetImage::Read( SvStream& rIStm, ULONG nFormat )
  75 {
  76     sal_Bool bRet = sal_False;
  77     switch( nFormat )
  78     {
  79     case SOT_FORMATSTR_ID_INET_IMAGE:
  80         {
  81             String sINetImg;
  82             rIStm.ReadCString( sINetImg, RTL_TEXTENCODING_UTF8 );
  83             xub_StrLen nStart = 0;
  84             aImageURL = sINetImg.GetToken( 0, TOKEN_SEPARATOR, nStart );
  85             aTargetURL = sINetImg.GetToken( 0, TOKEN_SEPARATOR, nStart );
  86             aTargetFrame = sINetImg.GetToken( 0, TOKEN_SEPARATOR, nStart );
  87             aAlternateText = sINetImg.GetToken( 0, TOKEN_SEPARATOR, nStart );
  88             aSizePixel.Width() = sINetImg.GetToken( 0, TOKEN_SEPARATOR,
  89                                                     nStart ).ToInt32();
  90             aSizePixel.Height() = sINetImg.GetToken( 0, TOKEN_SEPARATOR,
  91                                                     nStart ).ToInt32();
  92             bRet = 0 != sINetImg.Len();
  93         }
  94         break;
  95
  96     case SOT_FORMATSTR_ID_NETSCAPE_IMAGE:
  97         {
  98 /*
  99     --> structure size  MUST - alignment of 4!
 100     int     iSize;              // size of all data, including variable length strings
 101     BOOL    bIsMap;             // For server side maps
 102     INT32   iWidth;             // Fixed size data correspond to fields in LO_ImageDataStruct
 103     INT32   iHeight;            //   and EDT_ImageData
 104     INT32   iHSpace;
 105     INT32   iVSpace;
 106     INT32   iBorder;
 107     int     iLowResOffset;      // Offsets into string_data. If 0, string is NULL (not used)
 108     int     iAltOffset;         // (alternate text?)
 109     int     iAnchorOffset;      // HREF in image
 110     int     iExtraHTML_Offset;  // Extra HTML (stored in CImageElement)
 111     sal_Char pImageURL[1];              // Append all variable-length strings starting here
 112 */
 113             rtl_TextEncoding eSysCSet = gsl_getSystemTextEncoding();
 114             sal_Int32 nVal, nAnchorOffset, nAltOffset, nFilePos;
 115             ByteString sData;
 116
 117             nFilePos = rIStm.Tell();
 118             // skip over iSize (int), bIsMao ( BOOL ) alignment of 4 !!!!
 119             rIStm.SeekRel( 8 );
 120             rIStm >> nVal;      aSizePixel.Width() = nVal;
 121             rIStm >> nVal;      aSizePixel.Height() = nVal;
 122             // skip over iHSpace, iVSpace, iBorder, iLowResOffset
 123             rIStm.SeekRel( 3 * sizeof( INT32 ) + sizeof( int ) );
 124             rIStm >> nAltOffset;
 125             rIStm >> nAnchorOffset;
 126             // skip over iExtraHTML_Offset
 127             rIStm.SeekRel( sizeof( int ) );
 128
 129             rIStm.ReadCString( aImageURL, eSysCSet );
 130             if( nAltOffset )
 131             {
 132                 rIStm.Seek( nFilePos + nAltOffset );
 133                 rIStm.ReadCString( aAlternateText, eSysCSet );
 134             }
 135             else if( aAlternateText.Len() )
 136                 aAlternateText.Erase();
 137
 138             if( nAnchorOffset )
 139             {
 140                 rIStm.Seek( nFilePos + nAnchorOffset );
 141                 rIStm.ReadCString( aTargetURL, eSysCSet );
 142             }
 143             else if( aTargetURL.Len() )
 144                 aTargetURL.Erase();
 145
 146             bRet = 0 == rIStm.GetError();
 147         }
 148         break;
 149     }
 150     return bRet;
 151 }
 152