The QCameraViewfinder class provides a camera viewfinder widget. 更多...
| 头: | #include <QCameraViewfinder> | 
| qmake: | QT += multimediawidgets | 
| 继承: | QVideoWidget | 
| QCameraViewfinder (QWidget * parent = nullptr) | |
| virtual | ~QCameraViewfinder () | 
| virtual QMediaObject * | mediaObject () const override | 
| const QMetaObject | staticMetaObject | 
| virtual bool | setMediaObject (QMediaObject * object ) override | 
The QCameraViewfinder class provides a camera viewfinder widget.
camera = new QCamera; viewfinder = new QCameraViewfinder(); viewfinder->show(); camera->setViewfinder(viewfinder); imageCapture = new QCameraImageCapture(camera); camera->setCaptureMode(QCamera::CaptureStillImage); camera->start();
构造新的摄像头取景器 Widget。
The parent 会被传递给 QVideoWidget .
[虚拟]
						
						QCameraViewfinder::
						
							~QCameraViewfinder
						
						()
						
					销毁摄像头取景器 Widget。
[override virtual]
						
						
							
								QMediaObject
							
						
						*QCameraViewfinder::
						
							mediaObject
						
						() const
						
					重实现自 QVideoWidget::mediaObject ().
另请参阅 setMediaObject ().
[override virtual protected]
						
						
							bool
						
						QCameraViewfinder::
						
							setMediaObject
						
						(
						
							
								QMediaObject
							
						
						*
						object
						)
						
					另请参阅 mediaObject ().