def readCameraQR(self):
self.initUi()
if len(QCameraInfo.availableCameras()) == 0:
logging.warning(
g_tr('ImportSlipDialog', "There are no cameras available"))
return
self.cameraActive = True
self.CameraGroup.setVisible(True)
self.SlipDataGroup.setVisible(False)
camera_info = QCameraInfo.defaultCamera()
logging.info(
g_tr('ImportSlipDialog',
"Read QR with camera: " + camera_info.deviceName()))
self.camera = QCamera(camera_info)
self.camera.errorOccurred.connect(self.onCameraError)
self.img_capture = QCameraImageCapture(self.camera)
self.img_capture.setCaptureDestination(
QCameraImageCapture.CaptureToBuffer)
self.img_capture.setBufferFormat(QVideoFrame.Format_RGB32)
self.img_capture.error.connect(self.onCameraCaptureError)
self.img_capture.readyForCaptureChanged.connect(self.onReadyForCapture)
self.img_capture.imageAvailable.connect(self.onCameraImageReady)
self.camera.setViewfinder(self.Viewfinder)
self.camera.setCaptureMode(QCamera.CaptureStillImage)
self.camera.start()
def __init__(self, img_rec: ImageRecognition, res_wid: ResultWid,
sig_res_wid: SingleResultWid):
super(CameraMainWin, self).__init__()
self.setupUi(self)
# 设置图像处理实例和跳转实例
self.img_rec = img_rec
self.res_wid = res_wid
self.sig_res_wid = sig_res_wid
# camera设置
self.camera = QCamera()
self.camera.setCaptureMode(QCamera.CaptureViewfinder)
self.cameraOpened = False # 设置相机打开状态为未打开
# 设置取景器分辨率
view_finder_settings = QCameraViewfinderSettings()
self.camera.setViewfinderSettings(view_finder_settings)
# 初始化取景器
self.viewCamera = QtMultimediaWidgets.QCameraViewfinder(self)
self.camera.setViewfinder(self.viewCamera)
self.cameraLayout.addWidget(self.viewCamera) # 取景器放置到预留的布局中
# 设置图像捕获
self.capImg = QCameraImageCapture(self.camera)
self.capImg.setCaptureDestination(QCameraImageCapture.CaptureToBuffer)
self.capImg.imageCaptured.connect(self._process_captured_image)
# 绑定按钮槽函数
self.cameraButton.clicked.connect(self.switch_camera)
self.captureButton.clicked.connect(self.take_pic)
self.loadButton.clicked.connect(self.load_file)
self.reconitionButton.clicked.connect(self.load_path)
self.chg_mod_Button.clicked.connect(self.change_model)
def setCamera(self, cameraInfo):
self.m_pCamera = QCamera(cameraInfo)
self.m_pImageCapture = QCameraImageCapture(self.m_pCamera.metaData(self))
self.refreshResAndCodecList()
self.m_pCamera.setCaptureMode(QCamera.CaptureStillImage)
self.m_pCamera.setCaptureMode(QCamera.CaptureMode.CaptureViewfinder)
self.m_pCamera.setViewfinder(self.ui.viewfinder)
self.m_pCamera.start()
pass
def __init__(self):
super(MainWindow, self).__init__()
self.cameraInfo = QCameraInfo.defaultCamera()
self.camera = QCamera(self.cameraInfo)
self.camera.setCaptureMode(QCamera.CaptureStillImage)
self.imageCapture = QCameraImageCapture(self.camera)
self.imageCapture.imageCaptured.connect(self.imageCaptured)
self.imageCapture.imageSaved.connect(self.imageSaved)
self.currentPreview = QImage()
toolBar = QToolBar()
self.addToolBar(toolBar)
fileMenu = self.menuBar().addMenu("&File")
shutterIcon = QIcon(
os.path.join(os.path.dirname(__file__), "shutter.svg"))
self.takePictureAction = QAction(shutterIcon,
"&Take Picture",
self,
shortcut="Ctrl+T",
triggered=self.takePicture)
self.takePictureAction.setToolTip("Take Picture")
fileMenu.addAction(self.takePictureAction)
toolBar.addAction(self.takePictureAction)
exitAction = QAction(QIcon.fromTheme("application-exit"),
"E&xit",
self,
shortcut="Ctrl+Q",
triggered=self.close)
fileMenu.addAction(exitAction)
aboutMenu = self.menuBar().addMenu("&About")
aboutQtAction = QAction("About &Qt", self, triggered=qApp.aboutQt)
aboutMenu.addAction(aboutQtAction)
self.tabWidget = QTabWidget()
self.setCentralWidget(self.tabWidget)
self.cameraViewfinder = QCameraViewfinder()
self.camera.setViewfinder(self.cameraViewfinder)
self.tabWidget.addTab(self.cameraViewfinder, "Viewfinder")
if self.camera.status() != QCamera.UnavailableStatus:
name = self.cameraInfo.description()
self.setWindowTitle("PySide2 Camera Example (" + name + ")")
self.statusBar().showMessage("Starting: '" + name + "'", 5000)
self.camera.start()
else:
self.setWindowTitle("PySide2 Camera Example")
self.takePictureAction.setEnabled(False)
self.statusBar().showMessage("Camera unavailable", 5000)
def select_camera(self, i):
self.camera = QCamera(self.available_cameras[i])
self.camera.setViewfinder(self.viewfinder)
self.camera.setCaptureMode(QCamera.CaptureStillImage)
self.camera.error.connect(lambda: self.alert(self.camera.errorString()))
self.camera.start()
self.capture = QCameraImageCapture(self.camera)
self.capture.error.connect(lambda i, e, s: self.alert(s))
self.capture.imageCaptured.connect(lambda d, i: self.status.showMessage("Image %04d captured" % self.save_seq))
self.current_camera_name = self.available_cameras[i].description()
self.save_seq = 0
def select_camera(self, i):
# getting the selected camera
self.camera = QCamera(self.available_cameras[i])
# setting capture mode to the camera
self.camera.setCaptureMode(QCamera.CaptureStillImage)
# start the camera
self.camera.start()
# creating a QCameraImageCapture object
self.capture = QCameraImageCapture(self.camera)
# when image captured showing message
self.capture.imageCaptured.connect(
lambda d, i: self.status.showMessage("Image captured : " + str(
self.save_seq)))
# getting current camera name
self.current_camera_name = self.available_cameras[i].description()
# inital save sequence
self.save_seq = 0