summaryrefslogtreecommitdiffstats
path: root/doc/html/tqasyncimageio-h.html
blob: 9968fca1d891d65500e03e3ef617a88785223d4b (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
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<!-- /home/espenr/tmp/qt-3.3.8-espenr-2499/qt-x11-free-3.3.8/include/tqasyncimageio.h:1 -->
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>tqasyncimageio.h Include File</title>
<style type="text/css"><!--
fn { margin-left: 1cm; text-indent: -1cm; }
a:link { color: #004faf; text-decoration: none }
a:visited { color: #672967; text-decoration: none }
body { background: #ffffff; color: black; }
--></style>
</head>
<body>

<table border="0" cellpadding="0" cellspacing="0" width="100%">
<tr bgcolor="#E5E5E5">
<td valign=center>
 <a href="index.html">
<font color="#004faf">Home</font></a>
 | <a href="classes.html">
<font color="#004faf">All&nbsp;Classes</font></a>
 | <a href="mainclasses.html">
<font color="#004faf">Main&nbsp;Classes</font></a>
 | <a href="annotated.html">
<font color="#004faf">Annotated</font></a>
 | <a href="groups.html">
<font color="#004faf">Grouped&nbsp;Classes</font></a>
 | <a href="functions.html">
<font color="#004faf">Functions</font></a>
</td>
<td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>tqasyncimageio.h</h1>

<p>This is the verbatim text of the tqasyncimageio.h include file. It is provided only for illustration; the copyright remains with Trolltech.
<hr>
<pre>
/****************************************************************************
** $Id: qt/tqasyncimageio.h   3.3.8   edited Jan 11 14:38 $
**
** Definition of asynchronous image/movie loading classes
**
** Created : 970617
**
** Copyright (C) 1992-2007 Trolltech ASA.  All rights reserved.
**
** This file is part of the kernel module of the TQt GUI Toolkit.
**
** This file may be used under the terms of the GNU General Public
** License versions 2.0 or 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Alternatively you may (at your option) use any
** later version of the GNU General Public License if such license has
** been publicly approved by Trolltech ASA (or its successors, if any)
** and the KDE Free TQt Foundation.
**
** Please review the following information to ensure GNU General
** Public Licensing requirements will be met:
** http://trolltech.com/products/qt/licenses/licensing/opensource/.
** If you are unsure which license is appropriate for your use, please
** review the following information:
** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
** or contact the sales department at sales@trolltech.com.
**
** This file may be used under the terms of the Q Public License as
** defined by Trolltech ASA and appearing in the file LICENSE.TQPL
** included in the packaging of this file.  Licensees holding valid TQt
** Commercial licenses may use this file in accordance with the TQt
** Commercial License Agreement provided with the Software.
**
** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
** herein.
**
**********************************************************************/

#ifndef TQASYNCIMAGEIO_H
#define TQASYNCIMAGEIO_H

#ifndef QT_H
#include "tqimage.h"
#endif // QT_H

#ifndef TQT_NO_ASYNC_IMAGE_IO

#if __GNUC__ - 0 &gt; 3
#pragma GCC system_header
#endif

class TQ_EXPORT TQImageConsumer {
public:
    virtual void end()=0;

    // Change transfer type 1.
    virtual void changed( const TQRect&amp; ) = 0;
    virtual void frameDone() = 0;

    // Change transfer type 2.
    virtual void frameDone( const TQPoint&amp;, const TQRect&amp; ) = 0;

    virtual void setLooping( int ) = 0;
    virtual void setFramePeriod( int ) = 0;
    virtual void setSize( int, int ) = 0;
};

class TQ_EXPORT TQImageFormat {
public:
    virtual ~TQImageFormat();
    virtual int decode( TQImage&amp; img, TQImageConsumer* consumer,
			const uchar* buffer, int length ) = 0;
};

class TQ_EXPORT TQImageFormatType {
public:
    virtual ~TQImageFormatType();
    virtual TQImageFormat* decoderFor( const uchar* buffer, int length ) = 0;
    virtual const char* formatName() const = 0;
protected:
    TQImageFormatType();
};

class TQImageDecoderPrivate;
class TQ_EXPORT TQImageDecoder {
public:
    TQImageDecoder( TQImageConsumer* c );
    ~TQImageDecoder();

    const TQImage&amp; image() { return img; }
    int decode( const uchar* buffer, int length );

    static const char* formatName( const uchar* buffer, int length );
    static TQImageFormatType* format( const char* name ); // direct use - no decode()

    static TQStrList inputFormats();
    static void registerDecoderFactory( TQImageFormatType* );
    static void unregisterDecoderFactory( TQImageFormatType* );

private:
    TQImageFormat* actual_decoder;
    TQImageConsumer* consumer;
    TQImage img;
    TQImageDecoderPrivate *d;
};

#endif // TQT_NO_ASYNC_IMAGE_IO

#endif // TQASYNCIMAGEIO_H
</pre>
<!-- eof -->
<p><address><hr><div align=center>
<table width=100% cellspacing=0 border=0><tr>
<td>Copyright &copy; 2007
<a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a>
<td align=right><div align=right>TQt 3.3.8</div>
</table></div></address></body>
</html>