QCameraInfoControl Class

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

头文件: #include <QCameraInfoControl>
qmake: QT += multimedia
开始支持版本: Qt 5.3
基类: QMediaControl

公有函数

virtual ~QCameraInfoControl()
virtual int cameraOrientation(const QString &deviceName) const = 0
virtual QCamera::Position cameraPosition(const QString &deviceName) const = 0
  • 32 个公有函数继承自 QObject

受保护的函数

QCameraInfoControl(QObject *parent = Q_NULLPTR)
  • 9 个受保护的函数继承自 QObject

其他继承的成员

  • 1 个属性继承自 QObject
  • 1 个公有槽函数继承自 QObject
  • 2 个信号继承自 QObject
  • 1 个公有变量继承自 QObject
  • 10 个静态公有成员继承自 QObject
  • 2 个受保护的变量继承自 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.

The interface name of QCameraInfoControl is org.qt-project.qt.camerainfocontrol/5.3 as defined in QCameraInfoControl_iid.

成员函数

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

Constructs a camera info control with the given parent.

[virtual] 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.