QCameraFlashControl Class▲
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Header: QCameraFlashControl
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qmake: QT += multimedia
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Inherits: QMediaControl
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Inherited By:
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Group: QCameraFlashControl is part of multimedia_control
Detailed Description▲
You can set the type of flash effect used when an image is captured, and test to see if the flash hardware is ready to fire.
You can retrieve this control from the camera object in the usual way:
Some camera devices may not have flash hardware, or may not be configurable. In that case, there will be no QCameraFlashControl available.
The interface name of QCameraFlashControl is org.qt-project.qt.cameraflashcontrol/5.0 as defined in QCameraFlashControl_iid.
See Also▲
See also QCamera
Member Function Documentation▲
[explicit protected] QCameraFlashControl::QCameraFlashControl(QObject *parent = nullptr)▲
Constructs a camera flash control object with parent.
[virtual] QCameraFlashControl::~QCameraFlashControl()▲
Destroys the camera control object.
[pure virtual] QCameraExposure::FlashModes QCameraFlashControl::flashMode() const▲
void QCameraFlashControl::flashReady(bool ready)▲
Signal emitted when flash state changes to ready.
[pure virtual] bool QCameraFlashControl::isFlashModeSupported(QCameraExposure::FlashModes mode) const▲
Return true if the reqested flash mode is supported. Some QCameraExposure::FlashMode values can be combined, for example QCameraExposure::FlashManual | QCameraExposure::FlashSlowSyncRearCurtain
[pure virtual] bool QCameraFlashControl::isFlashReady() const▲
Returns true if flash is charged.
[pure virtual] void QCameraFlashControl::setFlashMode(QCameraExposure::FlashModes mode)▲
Set the current flash mode.
Usually a single QCameraExposure::FlashMode flag is used, but some non conflicting flags combination are also allowed, like QCameraExposure::FlashManual | QCameraExposure::FlashSlowSyncRearCurtain.
See Also▲
See also flashMode()
Macro Documentation▲
QCameraFlashControl_iid▲
org.qt-project.qt.cameraflashcontrol/5.0
Defines the interface name of the QCameraFlashControl class.