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QCameraFocusControl Class Reference

The QCameraFocusControl class supplies control for focusing related camera parameters. More...

    #include <QCameraFocusControl>

This class is under development and is subject to change.

Inherits QMediaControl.


Public Functions

~QCameraFocusControl ()
virtual qreal digitalZoom () const = 0
virtual QCamera::FocusMode focusMode () const = 0
virtual QCamera::FocusStatus focusStatus () const = 0
virtual bool isMacroFocusingSupported () const = 0
virtual bool macroFocusingEnabled () const = 0
virtual qreal maximumDigitalZoom () const = 0
virtual qreal maximumOpticalZoom () const = 0
virtual qreal opticalZoom () const = 0
virtual void setFocusMode ( QCamera::FocusMode mode ) = 0
virtual void setMacroFocusingEnabled ( bool enable ) = 0
virtual QCamera::FocusModes supportedFocusModes () const = 0
virtual void zoomTo ( qreal opticalZoom, qreal digitalZoom ) = 0

Public Slots

virtual void cancelFocusing () = 0
virtual void startFocusing () = 0

Signals

void digitalZoomChanged ( qreal zoom )
void focusStatusChanged ( QCamera::FocusStatus status )
void opticalZoomChanged ( qreal zoom )

Protected Functions

QCameraFocusControl ( QObject * parent = 0 )

Macros

QCameraFocusControl_iid

Additional Inherited Members


Detailed Description

The QCameraFocusControl class supplies control for focusing related camera parameters.

The interface name of QCameraFocusControl is com.nokia.Qt.QCameraFocusControl/1.0 as defined in QCameraFocusControl_iid.

The Camera API of Qt Mobility is still in Technology Preview. It has not undergone the same level of review and testing as the rest of the APIs.

The API exposed by the classes in this component are not stable, and will undergo modification or removal prior to the final release of Qt Mobility.

See also QMediaService::control() and QCamera.


Member Function Documentation

QCameraFocusControl::QCameraFocusControl ( QObject * parent = 0 )   [protected]

Constructs a camera control object with parent.

QCameraFocusControl::~QCameraFocusControl ()

Destruct the camera control object.

void QCameraFocusControl::cancelFocusing ()   [pure virtual slot]

Cancels the single autofocus request or stops continuous focusing.

Does nothing in hyperfocal or infinity focus modes.

If supported by camera, startFocusing() turns off the manual focusing notifications, otherwise it does nothing in manual mode.

qreal QCameraFocusControl::digitalZoom () const   [pure virtual]

Return the current digital zoom value.

void QCameraFocusControl::digitalZoomChanged ( qreal zoom )   [signal]

Signal emitted when the digital zoom value changed.

QCamera::FocusMode QCameraFocusControl::focusMode () const   [pure virtual]

Returns the focus mode being used.

See also setFocusMode().

QCamera::FocusStatus QCameraFocusControl::focusStatus () const   [pure virtual]

Returns the focus status.

void QCameraFocusControl::focusStatusChanged ( QCamera::FocusStatus status )   [signal]

Signal emitted when focus status changed.

bool QCameraFocusControl::isMacroFocusingSupported () const   [pure virtual]

Returns true if macro focusing is available.

bool QCameraFocusControl::macroFocusingEnabled () const   [pure virtual]

Returns true if macro focusing enabled.

See also setMacroFocusingEnabled().

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

Returns the maximum digital zoom value, or 1.0 if digital zoom is not supported.

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

Returns the maximum optical zoom value, or 1.0 if optical zoom is not supported.

qreal QCameraFocusControl::opticalZoom () const   [pure virtual]

Return the current optical zoom value.

void QCameraFocusControl::opticalZoomChanged ( qreal zoom )   [signal]

Signal emitted when the optical zoom value changed.

void QCameraFocusControl::setFocusMode ( QCamera::FocusMode mode )   [pure virtual]

Set the focus mode to mode.

See also focusMode().

void QCameraFocusControl::setMacroFocusingEnabled ( bool enable )   [pure virtual]

Set macro focusing to enable

See also macroFocusingEnabled().

void QCameraFocusControl::startFocusing ()   [pure virtual slot]

Starts single or continuous autofocus.

Does nothing in hyperfocal or infinity focus modes.

If supported by camera, startFocusing() turns on the manual focusing notifications, otherwise it does nothing in manual mode.

QCamera::FocusModes QCameraFocusControl::supportedFocusModes () const   [pure virtual]

Returns focus modes available.

void QCameraFocusControl::zoomTo ( qreal opticalZoom, qreal digitalZoom )   [pure virtual]

Set the zoom value to value


Macro Documentation

QCameraFocusControl_iid

com.nokia.Qt.QCameraFocusControl/1.0

Defines the interface name of the QCameraFocusControl class.


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Qt Mobility Project 1.0.0