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
|
/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QCAMERA_H
#define QCAMERA_H
#include <QtCore/qstringlist.h>
#include <QtCore/qpair.h>
#include <QtCore/qsize.h>
#include <QtCore/qpoint.h>
#include <QtCore/qrect.h>
#include <QtCore/qobject.h>
#include <QtMultimedia/qcameraexposure.h>
#include <QtMultimedia/qcamerafocus.h>
#include <QtMultimedia/qcameraimageprocessing.h>
#include <QtMultimedia/qcamerainfo.h>
#include <QtMultimedia/qmediaenumdebug.h>
QT_BEGIN_NAMESPACE
class QAbstractVideoSurface;
class QCameraInfo;
class QMediaPlatformCaptureInterface;
class QCameraPrivate;
class Q_MULTIMEDIA_EXPORT QCamera : public QObject
{
Q_OBJECT
Q_PROPERTY(QCamera::State state READ state NOTIFY stateChanged)
Q_PROPERTY(QCamera::Status status READ status NOTIFY statusChanged)
Q_ENUMS(Status)
Q_ENUMS(State)
Q_ENUMS(Error)
Q_ENUMS(Position)
public:
enum Status {
UnavailableStatus,
UnloadedStatus,
LoadingStatus,
UnloadingStatus,
LoadedStatus,
StandbyStatus,
StartingStatus,
StoppingStatus,
ActiveStatus
};
enum State {
UnloadedState,
LoadedState,
ActiveState
};
enum Error
{
NoError,
CameraError
};
explicit QCamera(QObject *parent = nullptr);
explicit QCamera(const QCameraInfo& cameraInfo, QObject *parent = nullptr);
explicit QCamera(QCameraInfo::Position position, QObject *parent = nullptr);
~QCamera();
bool isAvailable() const;
State state() const;
Status status() const;
QCameraInfo cameraInfo() const;
void setCameraInfo(const QCameraInfo &cameraInfo);
QCameraExposure *exposure() const;
QCameraFocus *focus() const;
QCameraImageProcessing *imageProcessing() const;
void setViewfinder(QObject *viewfinder);
void setViewfinder(QAbstractVideoSurface *surface);
Error error() const;
QString errorString() const;
QMediaPlatformCaptureInterface *captureInterface() const;
public Q_SLOTS:
void load();
void unload();
void start();
void stop();
Q_SIGNALS:
void stateChanged(QCamera::State state);
void statusChanged(QCamera::Status status);
void errorOccurred(QCamera::Error);
private:
Q_DISABLE_COPY(QCamera)
Q_DECLARE_PRIVATE(QCamera)
Q_PRIVATE_SLOT(d_func(), void _q_preparePropertyChange(int))
Q_PRIVATE_SLOT(d_func(), void _q_restartCamera())
Q_PRIVATE_SLOT(d_func(), void _q_error(int, const QString &))
Q_PRIVATE_SLOT(d_func(), void _q_updateState(QCamera::State))
friend class QCameraInfo;
};
QT_END_NAMESPACE
Q_MEDIA_ENUM_DEBUG(QCamera, State)
Q_MEDIA_ENUM_DEBUG(QCamera, Status)
Q_MEDIA_ENUM_DEBUG(QCamera, Error)
#endif // QCAMERA_H
|
