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path: root/noncore/multimedia/camera/lib/zcameraio.h
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1/**********************************************************************
2** Copyright (C) 2003 Michael 'Mickey' Lauer. All rights reserved.
3**
4** This file is part of Opie Environment.
5**
6** This file may be distributed and/or modified under the terms of the
7** GNU General Public License version 2 as published by the Free Software
8** Foundation and appearing in the file LICENSE.GPL included in the
9** packaging of this file.
10**
11** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
12** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
13**
14**********************************************************************/
15
16#ifndef ZCAMERAIO_H
17#define ZCAMERAIO_H
18
19#include <qobject.h>
20
21class QImage;
22class QTime;
23
24class ZCameraIO : public QObject
25{
26 Q_OBJECT
27
28 public:
29 virtual ~ZCameraIO();
30
31 enum ReadMode
32 {
33 IMAGE = 0, STATUS = 1,
34 FASTER = 0, BETTER = 2,
35 XNOFLIP = 0, XFLIP = 4,
36 YNOFLIP = 0, YFLIP = 8,
37 AUTOMATICFLIP = -1
38 };
39
40 // low level interface
41
42 bool setCaptureFrame( int w, int h, int zoom = 256, bool rot = true );
43 bool setZoom( int zoom = 0 );
44 void setReadMode( int = IMAGE | XFLIP | YFLIP );
45 void setFlip( int flip );
46
47 bool isShutterPressed(); // not const, because it calls clearShutterLatch
48 bool isAvailable() const;
49 bool isCapturing() const;
50 bool isFinderReversed() const;
51
52 bool snapshot( QImage* image );
53 bool snapshot( unsigned char* buf );
54
55 // high level interface
56 bool isOpen() const;
57 static ZCameraIO* instance();
58 void captureFrame( int w, int h, int zoom, QImage* image );
59 void captureFrame( int w, int h, int zoom, unsigned char* buf );
60
61 protected:
62 ZCameraIO();
63 void clearShutterLatch();
64 void init();
65 bool read( char*, int );
66 bool write( char*, int = 0 );
67
68 signals:
69 void shutterClicked();
70
71 private:
72 int _driver;
73 char _status[4];
74 bool _pressed;
75 static ZCameraIO* _instance;
76 int _height;
77 int _width;
78 int _zoom;
79 int _flip;
80 bool _rot;
81 int _readlen;
82
83 QTime* _timer;
84};
85
86#endif