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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 <sot/formats.hxx>
21 : #include <tools/stream.hxx>
22 :
23 : #include <svtools/inetimg.hxx>
24 :
25 : #define TOKEN_SEPARATOR '\001'
26 :
27 0 : sal_Bool INetImage::Write( SvStream& rOStm, sal_uLong nFormat ) const
28 : {
29 0 : sal_Bool bRet = sal_False;
30 0 : switch( nFormat )
31 : {
32 : case SOT_FORMATSTR_ID_INET_IMAGE:
33 : {
34 0 : String sString;
35 0 : (sString += aImageURL ) += TOKEN_SEPARATOR;
36 0 : (sString += aTargetURL ) += TOKEN_SEPARATOR;
37 0 : (sString += aTargetFrame ) += TOKEN_SEPARATOR;
38 0 : (sString += aAlternateText ) += TOKEN_SEPARATOR;
39 0 : sString += String::CreateFromInt32( aSizePixel.Width() );
40 0 : sString += TOKEN_SEPARATOR;
41 0 : sString += String::CreateFromInt32( aSizePixel.Height() );
42 :
43 : rtl::OString sOut(rtl::OUStringToOString(sString,
44 0 : RTL_TEXTENCODING_UTF8));
45 :
46 0 : rOStm.Write(sOut.getStr(), sOut.getLength());
47 : static const sal_Char aEndChar[2] = { 0 };
48 0 : rOStm.Write( aEndChar, sizeof( aEndChar ));
49 0 : bRet = 0 == rOStm.GetError();
50 : }
51 0 : break;
52 :
53 : case SOT_FORMATSTR_ID_NETSCAPE_IMAGE:
54 0 : break;
55 : }
56 0 : return bRet;
57 : }
58 :
59 0 : sal_Bool INetImage::Read( SvStream& rIStm, sal_uLong nFormat )
60 : {
61 0 : sal_Bool bRet = sal_False;
62 0 : switch( nFormat )
63 : {
64 : case SOT_FORMATSTR_ID_INET_IMAGE:
65 : {
66 0 : String sINetImg = read_zeroTerminated_uInt8s_ToOUString(rIStm, RTL_TEXTENCODING_UTF8);
67 0 : xub_StrLen nStart = 0;
68 0 : aImageURL = sINetImg.GetToken( 0, TOKEN_SEPARATOR, nStart );
69 0 : aTargetURL = sINetImg.GetToken( 0, TOKEN_SEPARATOR, nStart );
70 0 : aTargetFrame = sINetImg.GetToken( 0, TOKEN_SEPARATOR, nStart );
71 0 : aAlternateText = sINetImg.GetToken( 0, TOKEN_SEPARATOR, nStart );
72 0 : aSizePixel.Width() = sINetImg.GetToken( 0, TOKEN_SEPARATOR,
73 0 : nStart ).ToInt32();
74 0 : aSizePixel.Height() = sINetImg.GetToken( 0, TOKEN_SEPARATOR,
75 0 : nStart ).ToInt32();
76 0 : bRet = 0 != sINetImg.Len();
77 : }
78 0 : break;
79 :
80 : case SOT_FORMATSTR_ID_NETSCAPE_IMAGE:
81 : {
82 : /*
83 : --> structure size MUST - alignment of 4!
84 : int iSize; // size of all data, including variable length strings
85 : sal_Bool bIsMap; // For server side maps
86 : sal_Int32 iWidth; // Fixed size data correspond to fields in LO_ImageDataStruct
87 : sal_Int32 iHeight; // and EDT_ImageData
88 : sal_Int32 iHSpace;
89 : sal_Int32 iVSpace;
90 : sal_Int32 iBorder;
91 : int iLowResOffset; // Offsets into string_data. If 0, string is NULL (not used)
92 : int iAltOffset; // (alternate text?)
93 : int iAnchorOffset; // HREF in image
94 : int iExtraHTML_Offset; // Extra HTML (stored in CImageElement)
95 : sal_Char pImageURL[1]; // Append all variable-length strings starting here
96 : */
97 0 : rtl_TextEncoding eSysCSet = osl_getThreadTextEncoding();
98 : sal_Int32 nVal, nAnchorOffset, nAltOffset, nFilePos;
99 :
100 0 : nFilePos = rIStm.Tell();
101 : // skip over iSize (int), bIsMao ( sal_Bool ) alignment of 4 !!!!
102 0 : rIStm.SeekRel( 8 );
103 0 : rIStm >> nVal; aSizePixel.Width() = nVal;
104 0 : rIStm >> nVal; aSizePixel.Height() = nVal;
105 : // skip over iHSpace, iVSpace, iBorder, iLowResOffset
106 0 : rIStm.SeekRel( 3 * sizeof( sal_Int32 ) + sizeof( int ) );
107 0 : rIStm >> nAltOffset;
108 0 : rIStm >> nAnchorOffset;
109 : // skip over iExtraHTML_Offset
110 0 : rIStm.SeekRel( sizeof( int ) );
111 :
112 0 : aImageURL = read_zeroTerminated_uInt8s_ToOUString(rIStm, eSysCSet);
113 0 : if( nAltOffset )
114 : {
115 0 : rIStm.Seek( nFilePos + nAltOffset );
116 0 : aAlternateText = read_zeroTerminated_uInt8s_ToOUString(rIStm, eSysCSet);
117 : }
118 0 : else if( aAlternateText.Len() )
119 0 : aAlternateText.Erase();
120 :
121 0 : if( nAnchorOffset )
122 : {
123 0 : rIStm.Seek( nFilePos + nAnchorOffset );
124 0 : aTargetURL = read_zeroTerminated_uInt8s_ToOUString(rIStm, eSysCSet);
125 : }
126 0 : else if( aTargetURL.Len() )
127 0 : aTargetURL.Erase();
128 :
129 0 : bRet = 0 == rIStm.GetError();
130 : }
131 0 : break;
132 : }
133 0 : return bRet;
134 : }
135 :
136 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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