7 ** This file is part of the examples of the Qt Toolkit. |
7 ** This file is part of the examples of the Qt Toolkit. |
8 ** |
8 ** |
9 ** $QT_BEGIN_LICENSE:BSD$ |
9 ** $QT_BEGIN_LICENSE:BSD$ |
10 ** You may use this file under the terms of the BSD license as follows: |
10 ** You may use this file under the terms of the BSD license as follows: |
11 ** |
11 ** |
12 ** Redistribution and use in source and binary forms, with or without |
12 ** "Redistribution and use in source and binary forms, with or without |
13 ** modification, are permitted provided that the following conditions are met: |
13 ** modification, are permitted provided that the following conditions are |
14 ** - Redistributions of source code must retain the above copyright notice, |
14 ** met: |
15 ** this list of conditions and the following disclaimer. |
15 ** * Redistributions of source code must retain the above copyright |
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16 ** notice, this list of conditions and the following disclaimer. |
17 ** this list of conditions and the following disclaimer in the documentation |
17 ** * Redistributions in binary form must reproduce the above copyright |
18 ** and/or other materials provided with the distribution. |
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23 ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
23 ** products derived from this software without specific prior written |
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24 ** permission. |
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27 ** LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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29 ** SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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30 ** INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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33 ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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34 ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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36 ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." |
34 ** $QT_END_LICENSE$ |
37 ** $QT_END_LICENSE$ |
35 ** |
38 ** |
36 *****************************************************************************/ |
39 ****************************************************************************/ |
37 |
40 |
38 #ifndef WAVEFORM_H |
41 #ifndef WAVEFORM_H |
39 #define WAVEFORM_H |
42 #define WAVEFORM_H |
40 |
43 |
41 #include <QWidget> |
44 #include <QWidget> |
42 #include <QtMultimedia/QAudioFormat> |
45 #include <QtMultimedia/QAudioFormat> |
43 #include <QPixmap> |
46 #include <QPixmap> |
44 #include <QScopedPointer> |
47 #include <QScopedPointer> |
45 |
48 |
46 class QByteArray; |
49 QT_FORWARD_DECLARE_CLASS(QByteArray) |
47 |
50 |
48 /** |
51 /** |
49 * Widget which displays a section of the audio waveform. |
52 * Widget which displays a section of the audio waveform. |
50 * |
53 * |
51 * The waveform is rendered on a set of QPixmaps which form a group of tiles |
54 * The waveform is rendered on a set of QPixmaps which form a group of tiles |