summaryrefslogtreecommitdiffstats
path: root/vcl/source/treelist/inetimg.cxx
blob: c7bc99ebb20a51040989273d2b2c5861affb771c (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
 *   with this work for additional information regarding copyright
 *   ownership. The ASF licenses this file to you under the Apache
 *   License, Version 2.0 (the "License"); you may not use this file
 *   except in compliance with the License. You may obtain a copy of
 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
 */

#include <osl/thread.h>
#include <sot/formats.hxx>
#include <tools/stream.hxx>

#include <vcl/inetimg.hxx>

static const sal_Unicode TOKEN_SEPARATOR = '\001';

void INetImage::Write( SvStream& rOStm, SotClipboardFormatId nFormat ) const
{
    switch( nFormat )
    {
    case SotClipboardFormatId::INET_IMAGE:
        {
            OUString sString(
                aImageURL + OUStringChar(TOKEN_SEPARATOR) + aTargetURL
                + OUStringChar(TOKEN_SEPARATOR) + aTargetFrame
                + OUStringChar(TOKEN_SEPARATOR) /* + aAlternateText */
                + OUStringChar(TOKEN_SEPARATOR)
                + OUString::number(aSizePixel.Width())
                + OUStringChar(TOKEN_SEPARATOR)
                + OUString::number(aSizePixel.Height()));

            OString sOut(OUStringToOString(sString,
                RTL_TEXTENCODING_UTF8));

            rOStm.WriteBytes(sOut.getStr(), sOut.getLength());
            static const char aEndChar[2] = { 0 };
            rOStm.WriteBytes(aEndChar, sizeof(aEndChar));
        }
        break;

    case SotClipboardFormatId::NETSCAPE_IMAGE:
        break;
    default: break;
    }
}

bool INetImage::Read( SvStream& rIStm, SotClipboardFormatId nFormat )
{
    bool bRet = false;
    switch( nFormat )
    {
    case SotClipboardFormatId::INET_IMAGE:
        {
            OUString sINetImg = read_zeroTerminated_uInt8s_ToOUString(rIStm, RTL_TEXTENCODING_UTF8);
            sal_Int32 nStart = 0;
            aImageURL = sINetImg.getToken( 0, TOKEN_SEPARATOR, nStart );
            aTargetURL = sINetImg.getToken( 0, TOKEN_SEPARATOR, nStart );
            aTargetFrame = sINetImg.getToken( 0, TOKEN_SEPARATOR, nStart );
            /*aAlternateText =*/ sINetImg.getToken( 0, TOKEN_SEPARATOR, nStart );
            aSizePixel.setWidth( sINetImg.getToken( 0, TOKEN_SEPARATOR,
                                                    nStart ).toInt32() );
            aSizePixel.setHeight( sINetImg.getToken( 0, TOKEN_SEPARATOR,
                                                    nStart ).toInt32() );
            bRet = !sINetImg.isEmpty();
        }
        break;

    case SotClipboardFormatId::NETSCAPE_IMAGE:
        {
/*
    --> structure size  MUST - alignment of 4!
    int     iSize;              // size of all data, including variable length strings
    sal_Bool    bIsMap;             // For server side maps
    sal_Int32   iWidth;             // Fixed size data correspond to fields in LO_ImageDataStruct
    sal_Int32   iHeight;            //   and EDT_ImageData
    sal_Int32   iHSpace;
    sal_Int32   iVSpace;
    sal_Int32   iBorder;
    int     iLowResOffset;      // Offsets into string_data. If 0, string is NULL (not used)
    int     iAltOffset;         // (alternate text?)
    int     iAnchorOffset;      // HREF in image
    int     iExtraHTML_Offset;  // Extra HTML (stored in CImageElement)
    char pImageURL[1];      // Append all variable-length strings starting here
*/
            rtl_TextEncoding eSysCSet = osl_getThreadTextEncoding();
            sal_Int32 nVal, nAnchorOffset, nAltOffset;
            sal_uInt64 nFilePos;

            nFilePos = rIStm.Tell();
            // skip over iSize (int), bIsMao ( sal_Bool ) alignment of 4 !!!!
            rIStm.SeekRel( 8 );
            rIStm.ReadInt32( nVal );  aSizePixel.setWidth( nVal );
            rIStm.ReadInt32( nVal );  aSizePixel.setHeight( nVal );
            // skip over iHSpace, iVSpace, iBorder, iLowResOffset
            rIStm.SeekRel( 3 * sizeof( sal_Int32 ) + sizeof( int ) );
            rIStm.ReadInt32( nAltOffset );
            rIStm.ReadInt32( nAnchorOffset );
            // skip over iExtraHTML_Offset
            rIStm.SeekRel( sizeof( int ) );

            aImageURL = read_zeroTerminated_uInt8s_ToOUString(rIStm, eSysCSet);
            if( nAltOffset )
            {
                rIStm.Seek( nFilePos + nAltOffset );
                /*aAlternateText =*/ read_zeroTerminated_uInt8s_ToOUString(rIStm, eSysCSet);
            }

            if( nAnchorOffset )
            {
                rIStm.Seek( nFilePos + nAnchorOffset );
                aTargetURL = read_zeroTerminated_uInt8s_ToOUString(rIStm, eSysCSet);
            }
            else if( !aTargetURL.isEmpty() )
                aTargetURL.clear();

            bRet = ERRCODE_NONE == rIStm.GetError();
        }
        break;
    default: break;
    }
    return bRet;
}

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */