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 <osl/thread.h>
21 #include <sot/formats.hxx>
22 #include <tools/stream.hxx>
23
24 #include <vcl/inetimg.hxx>
25
26 static const sal_Unicode TOKEN_SEPARATOR = '\001';
27
Write(SvStream & rOStm,SotClipboardFormatId nFormat) const28 void INetImage::Write( SvStream& rOStm, SotClipboardFormatId nFormat ) const
29 {
30 switch( nFormat )
31 {
32 case SotClipboardFormatId::INET_IMAGE:
33 {
34 OUString sString(
35 aImageURL + OUStringChar(TOKEN_SEPARATOR) + aTargetURL
36 + OUStringChar(TOKEN_SEPARATOR) + aTargetFrame
37 + OUStringChar(TOKEN_SEPARATOR) /* + aAlternateText */
38 + OUStringChar(TOKEN_SEPARATOR)
39 + OUString::number(aSizePixel.Width())
40 + OUStringChar(TOKEN_SEPARATOR)
41 + OUString::number(aSizePixel.Height()));
42
43 OString sOut(OUStringToOString(sString,
44 RTL_TEXTENCODING_UTF8));
45
46 rOStm.WriteBytes(sOut.getStr(), sOut.getLength());
47 static const sal_Char aEndChar[2] = { 0 };
48 rOStm.WriteBytes(aEndChar, sizeof(aEndChar));
49 }
50 break;
51
52 case SotClipboardFormatId::NETSCAPE_IMAGE:
53 break;
54 default: break;
55 }
56 }
57
Read(SvStream & rIStm,SotClipboardFormatId nFormat)58 bool INetImage::Read( SvStream& rIStm, SotClipboardFormatId nFormat )
59 {
60 bool bRet = false;
61 switch( nFormat )
62 {
63 case SotClipboardFormatId::INET_IMAGE:
64 {
65 OUString sINetImg = read_zeroTerminated_uInt8s_ToOUString(rIStm, RTL_TEXTENCODING_UTF8);
66 sal_Int32 nStart = 0;
67 aImageURL = sINetImg.getToken( 0, TOKEN_SEPARATOR, nStart );
68 aTargetURL = sINetImg.getToken( 0, TOKEN_SEPARATOR, nStart );
69 aTargetFrame = sINetImg.getToken( 0, TOKEN_SEPARATOR, nStart );
70 /*aAlternateText =*/ sINetImg.getToken( 0, TOKEN_SEPARATOR, nStart );
71 aSizePixel.setWidth( sINetImg.getToken( 0, TOKEN_SEPARATOR,
72 nStart ).toInt32() );
73 aSizePixel.setHeight( sINetImg.getToken( 0, TOKEN_SEPARATOR,
74 nStart ).toInt32() );
75 bRet = !sINetImg.isEmpty();
76 }
77 break;
78
79 case SotClipboardFormatId::NETSCAPE_IMAGE:
80 {
81 /*
82 --> structure size MUST - alignment of 4!
83 int iSize; // size of all data, including variable length strings
84 sal_Bool bIsMap; // For server side maps
85 sal_Int32 iWidth; // Fixed size data correspond to fields in LO_ImageDataStruct
86 sal_Int32 iHeight; // and EDT_ImageData
87 sal_Int32 iHSpace;
88 sal_Int32 iVSpace;
89 sal_Int32 iBorder;
90 int iLowResOffset; // Offsets into string_data. If 0, string is NULL (not used)
91 int iAltOffset; // (alternate text?)
92 int iAnchorOffset; // HREF in image
93 int iExtraHTML_Offset; // Extra HTML (stored in CImageElement)
94 sal_Char pImageURL[1]; // Append all variable-length strings starting here
95 */
96 rtl_TextEncoding eSysCSet = osl_getThreadTextEncoding();
97 sal_Int32 nVal, nAnchorOffset, nAltOffset;
98 sal_uInt64 nFilePos;
99
100 nFilePos = rIStm.Tell();
101 // skip over iSize (int), bIsMao ( sal_Bool ) alignment of 4 !!!!
102 rIStm.SeekRel( 8 );
103 rIStm.ReadInt32( nVal ); aSizePixel.setWidth( nVal );
104 rIStm.ReadInt32( nVal ); aSizePixel.setHeight( nVal );
105 // skip over iHSpace, iVSpace, iBorder, iLowResOffset
106 rIStm.SeekRel( 3 * sizeof( sal_Int32 ) + sizeof( int ) );
107 rIStm.ReadInt32( nAltOffset );
108 rIStm.ReadInt32( nAnchorOffset );
109 // skip over iExtraHTML_Offset
110 rIStm.SeekRel( sizeof( int ) );
111
112 aImageURL = read_zeroTerminated_uInt8s_ToOUString(rIStm, eSysCSet);
113 if( nAltOffset )
114 {
115 rIStm.Seek( nFilePos + nAltOffset );
116 /*aAlternateText =*/ read_zeroTerminated_uInt8s_ToOUString(rIStm, eSysCSet);
117 }
118
119 if( nAnchorOffset )
120 {
121 rIStm.Seek( nFilePos + nAnchorOffset );
122 aTargetURL = read_zeroTerminated_uInt8s_ToOUString(rIStm, eSysCSet);
123 }
124 else if( !aTargetURL.isEmpty() )
125 aTargetURL.clear();
126
127 bRet = ERRCODE_NONE == rIStm.GetError();
128 }
129 break;
130 default: break;
131 }
132 return bRet;
133 }
134
135 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
136