QCameraLocksControl Class
The QCameraLocksControl class is an abstract base class for classes that control still cameras or video cameras. 更多...
| 头文件: | #include <QCameraLocksControl> |
| qmake: | QT += multimedia |
| 基类: | QMediaControl |
公有函数
| ~QCameraLocksControl() | |
| virtual QCamera::LockStatus | lockStatus(QCamera::LockType lock) const = 0 |
| virtual void | searchAndLock(QCamera::LockTypes locks) = 0 |
| virtual QCamera::LockTypes | supportedLocks() const = 0 |
| virtual void | unlock(QCamera::LockTypes locks) = 0 |
- 32 个公有函数继承自 QObject
信号
| void | lockStatusChanged(QCamera::LockType lock, QCamera::LockStatus status, QCamera::LockChangeReason reason) |
- 2 个信号继承自 QObject
受保护的函数
| QCameraLocksControl(QObject *parent = Q_NULLPTR) |
- 9 个受保护的函数继承自 QObject
Macros
其他继承的成员
详细描述
The QCameraLocksControl class is an abstract base class for classes that control still cameras or video cameras.
This service is provided by a QMediaService object via QMediaService::control(). It is used by QCamera.
The interface name of QCameraLocksControl is org.qt-project.qt.cameralockscontrol/5.0 as defined in QCameraLocksControl_iid.
参见 QMediaService::requestControl() and QCamera.
成员函数
[protected] QCameraLocksControl::QCameraLocksControl(QObject *parent = Q_NULLPTR)
Constructs a camera locks control object with parent.
QCameraLocksControl::~QCameraLocksControl()
Destruct the camera locks control object.
[pure virtual] QCamera::LockStatus QCameraLocksControl::lockStatus(QCamera::LockType lock) const
Returns the camera lock status.
[signal] void QCameraLocksControl::lockStatusChanged(QCamera::LockType lock, QCamera::LockStatus status, QCamera::LockChangeReason reason)
Signals the lock status was changed with a specified reason.
[pure virtual] void QCameraLocksControl::searchAndLock(QCamera::LockTypes locks)
Request camera locks.
[pure virtual] QCamera::LockTypes QCameraLocksControl::supportedLocks() const
Returns the lock types, the camera supports.
[pure virtual] void QCameraLocksControl::unlock(QCamera::LockTypes locks)
Unlock camera locks.
宏
QCameraLocksControl_iid
org.qt-project.qt.cameralockscontrol/5.0
Defines the interface name of the QCameraLocksControl class.