1 /************************************************************************* 2 * 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * Copyright 2000, 2010 Oracle and/or its affiliates. 6 * 7 * OpenOffice.org - a multi-platform office productivity suite 8 * 9 * This file is part of OpenOffice.org. 10 * 11 * OpenOffice.org is free software: you can redistribute it and/or modify 12 * it under the terms of the GNU Lesser General Public License version 3 13 * only, as published by the Free Software Foundation. 14 * 15 * OpenOffice.org is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 * GNU Lesser General Public License version 3 for more details 19 * (a copy is included in the LICENSE file that accompanied this code). 20 * 21 * You should have received a copy of the GNU Lesser General Public License 22 * version 3 along with OpenOffice.org. If not, see 23 * <http://www.openoffice.org/license.html> 24 * for a copy of the LGPLv3 License. 25 * 26 ************************************************************************/ 27 28 // MARKER(update_precomp.py): autogen include statement, do not remove 29 #include "precompiled_svtools.hxx" 30 #include <tools/debug.hxx> 31 #include <sot/formats.hxx> 32 #include <tools/stream.hxx> 33 34 #include <svtools/inetimg.hxx> 35 36 #define TOKEN_SEPARATOR '\001' 37 38 sal_Bool INetImage::Write( SvStream& rOStm, sal_uLong nFormat ) const 39 { 40 sal_Bool bRet = sal_False; 41 switch( nFormat ) 42 { 43 case SOT_FORMATSTR_ID_INET_IMAGE: 44 { 45 String sString; 46 (sString += aImageURL ) += TOKEN_SEPARATOR; 47 (sString += aTargetURL ) += TOKEN_SEPARATOR; 48 (sString += aTargetFrame ) += TOKEN_SEPARATOR; 49 (sString += aAlternateText ) += TOKEN_SEPARATOR; 50 sString += String::CreateFromInt32( aSizePixel.Width() ); 51 sString += TOKEN_SEPARATOR; 52 sString += String::CreateFromInt32( aSizePixel.Height() ); 53 ByteString sOut( sString, RTL_TEXTENCODING_UTF8 ); 54 55 rOStm.Write( sOut.GetBuffer(), sOut.Len() ); 56 static const sal_Char aEndChar[2] = { 0 }; 57 rOStm.Write( aEndChar, sizeof( aEndChar )); 58 bRet = 0 == rOStm.GetError(); 59 } 60 break; 61 62 case SOT_FORMATSTR_ID_NETSCAPE_IMAGE: 63 break; 64 } 65 return bRet; 66 } 67 68 sal_Bool INetImage::Read( SvStream& rIStm, sal_uLong nFormat ) 69 { 70 sal_Bool bRet = sal_False; 71 switch( nFormat ) 72 { 73 case SOT_FORMATSTR_ID_INET_IMAGE: 74 { 75 String sINetImg; 76 rIStm.ReadCString( sINetImg, RTL_TEXTENCODING_UTF8 ); 77 xub_StrLen nStart = 0; 78 aImageURL = sINetImg.GetToken( 0, TOKEN_SEPARATOR, nStart ); 79 aTargetURL = sINetImg.GetToken( 0, TOKEN_SEPARATOR, nStart ); 80 aTargetFrame = sINetImg.GetToken( 0, TOKEN_SEPARATOR, nStart ); 81 aAlternateText = sINetImg.GetToken( 0, TOKEN_SEPARATOR, nStart ); 82 aSizePixel.Width() = sINetImg.GetToken( 0, TOKEN_SEPARATOR, 83 nStart ).ToInt32(); 84 aSizePixel.Height() = sINetImg.GetToken( 0, TOKEN_SEPARATOR, 85 nStart ).ToInt32(); 86 bRet = 0 != sINetImg.Len(); 87 } 88 break; 89 90 case SOT_FORMATSTR_ID_NETSCAPE_IMAGE: 91 { 92 /* 93 --> structure size MUST - alignment of 4! 94 int iSize; // size of all data, including variable length strings 95 sal_Bool bIsMap; // For server side maps 96 sal_Int32 iWidth; // Fixed size data correspond to fields in LO_ImageDataStruct 97 sal_Int32 iHeight; // and EDT_ImageData 98 sal_Int32 iHSpace; 99 sal_Int32 iVSpace; 100 sal_Int32 iBorder; 101 int iLowResOffset; // Offsets into string_data. If 0, string is NULL (not used) 102 int iAltOffset; // (alternate text?) 103 int iAnchorOffset; // HREF in image 104 int iExtraHTML_Offset; // Extra HTML (stored in CImageElement) 105 sal_Char pImageURL[1]; // Append all variable-length strings starting here 106 */ 107 rtl_TextEncoding eSysCSet = gsl_getSystemTextEncoding(); 108 sal_Int32 nVal, nAnchorOffset, nAltOffset, nFilePos; 109 ByteString sData; 110 111 nFilePos = rIStm.Tell(); 112 // skip over iSize (int), bIsMao ( sal_Bool ) alignment of 4 !!!! 113 rIStm.SeekRel( 8 ); 114 rIStm >> nVal; aSizePixel.Width() = nVal; 115 rIStm >> nVal; aSizePixel.Height() = nVal; 116 // skip over iHSpace, iVSpace, iBorder, iLowResOffset 117 rIStm.SeekRel( 3 * sizeof( sal_Int32 ) + sizeof( int ) ); 118 rIStm >> nAltOffset; 119 rIStm >> nAnchorOffset; 120 // skip over iExtraHTML_Offset 121 rIStm.SeekRel( sizeof( int ) ); 122 123 rIStm.ReadCString( aImageURL, eSysCSet ); 124 if( nAltOffset ) 125 { 126 rIStm.Seek( nFilePos + nAltOffset ); 127 rIStm.ReadCString( aAlternateText, eSysCSet ); 128 } 129 else if( aAlternateText.Len() ) 130 aAlternateText.Erase(); 131 132 if( nAnchorOffset ) 133 { 134 rIStm.Seek( nFilePos + nAnchorOffset ); 135 rIStm.ReadCString( aTargetURL, eSysCSet ); 136 } 137 else if( aTargetURL.Len() ) 138 aTargetURL.Erase(); 139 140 bRet = 0 == rIStm.GetError(); 141 } 142 break; 143 } 144 return bRet; 145 } 146 147