内容

• 公共函数
• 静态公共成员
• 保护函数
• 详细描述

QCameraInfoControl Class

The QCameraInfoControl class provides a camera info media control. 更多...

头：	#include <QCameraInfoControl>
qmake:	QT += multimedia
Since:	Qt 5.3
继承：	QMediaControl

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公共函数

virtual	~QCameraInfoControl ()
virtual int	cameraOrientation (const QString & deviceName ) const = 0
virtual QCamera::Position	cameraPosition (const QString & deviceName ) const = 0

• 31 公共函数继承自 QObject

静态公共成员

const QMetaObject

staticMetaObject

• 9 静态公共成员继承自 QObject

保护函数

QCameraInfoControl (QObject * parent = nullptr)

• 9 保护函数继承自 QObject

额外继承成员

• 1 特性继承自 QObject
• 1 公共槽继承自 QObject
• 2 信号继承自 QObject

详细描述

The QCameraInfoControl class provides a camera info media control.

The QCameraInfoControl class provides information about the camera devices available on the system.

接口名称对于 QCameraInfoControl is org.qt-project.qt.camerainfocontrol/5.3 作为定义在 QCameraInfoControl_iid .

成员函数文档编制

[protected] QCameraInfoControl:: QCameraInfoControl ( QObject * parent = nullptr)

Constructs a camera info control with the given parent .

[虚拟] QCameraInfoControl:: ~QCameraInfoControl ()

Destroys a camera info control.

[pure virtual] int QCameraInfoControl:: cameraOrientation (const QString & deviceName ) const

Returns the physical orientation of the sensor for the camera named deviceName .

The value is the orientation angle (clockwise, in steps of 90 degrees) of the camera sensor in relation to the display in its natural orientation.

[pure virtual] QCamera::Position QCameraInfoControl:: cameraPosition (const QString & deviceName ) const

Returns the physical position of the camera named deviceName on the hardware system.