QCameraZoomControl Class

The QCameraZoomControl class supplies control for optical and digital camera zoom. More...

Header: #include <QCameraZoomControl>
qmake: QT += multimedia
Inherits: QMediaControl

Public Functions

virtual ~QCameraZoomControl()
virtual qreal currentDigitalZoom() const = 0
virtual qreal currentOpticalZoom() const = 0
virtual qreal maximumDigitalZoom() const = 0
virtual qreal maximumOpticalZoom() const = 0
virtual qreal requestedDigitalZoom() const = 0
virtual qreal requestedOpticalZoom() const = 0
virtual void zoomTo(qreal optical, qreal digital) = 0
  • 31 public functions inherited from QObject

Signals

void currentDigitalZoomChanged(qreal digitalZoom)
void currentOpticalZoomChanged(qreal opticalZoom)
void maximumDigitalZoomChanged(qreal)
void maximumOpticalZoomChanged(qreal)
void requestedDigitalZoomChanged(qreal digitalZoom)
void requestedOpticalZoomChanged(qreal opticalZoom)

Static Public Members

const QMetaObject staticMetaObject
  • 9 static public members inherited from QObject

Protected Functions

QCameraZoomControl(QObject *parent = nullptr)
  • 9 protected functions inherited from QObject

Macros

Additional Inherited Members

  • 1 property inherited from QObject
  • 1 public slot inherited from QObject

Detailed Description

The QCameraZoomControl class supplies control for optical and digital camera zoom.

The interface name of QCameraZoomControl is org.qt-project.qt.camerazoomcontrol/5.0 as defined in QCameraZoomControl_iid.

See also QMediaService::requestControl() and QCamera.

Member Function Documentation

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

Constructs a camera zoom control object with parent.

[virtual] QCameraZoomControl::~QCameraZoomControl()

Destruct the camera zoom control object.

[pure virtual] qreal QCameraZoomControl::currentDigitalZoom() const

[signal] void QCameraZoomControl::currentDigitalZoomChanged(qreal digitalZoom)

[pure virtual] qreal QCameraZoomControl::currentOpticalZoom() const

[signal] void QCameraZoomControl::currentOpticalZoomChanged(qreal opticalZoom)

[pure virtual] qreal QCameraZoomControl::maximumDigitalZoom() const

[signal] void QCameraZoomControl::maximumDigitalZoomChanged(qreal)

[pure virtual] qreal QCameraZoomControl::maximumOpticalZoom() const

[signal] void QCameraZoomControl::maximumOpticalZoomChanged(qreal)

[pure virtual] qreal QCameraZoomControl::requestedDigitalZoom() const

[signal] void QCameraZoomControl::requestedDigitalZoomChanged(qreal digitalZoom)

[pure virtual] qreal QCameraZoomControl::requestedOpticalZoom() const

[signal] void QCameraZoomControl::requestedOpticalZoomChanged(qreal opticalZoom)

[pure virtual] void QCameraZoomControl::zoomTo(qreal optical, qreal digital)

Macro Documentation

QCameraZoomControl_iid

org.qt-project.qt.camerazoomcontrol/5.0

Defines the interface name of the QCameraZoomControl class.