def selectCamera(self, index):
pre_index = self.index(self.available_cameras, self.selected_camera)
if pre_index is index:
if self.camera.state() == QtMultimedia.QCamera.LoadedState:
self.camera.start()
return
if pre_index is not None:
self.releaseCamera()
for imageObject in self.images:
if "pixmap" not in imageObject:
print(
"detected unfulfilled capture while switching camera, removing..."
)
self.images.remove(imageObject)
self.captureButton.setDisabled(True)
self.selected_camera = self.available_cameras[index]
self.camera = QtMultimedia.QCamera(self.selected_camera)
self.camera.setViewfinder(self.viewfinder)
self.camera.setCaptureMode(QtMultimedia.QCamera.CaptureStillImage)
self.camera.statusChanged.connect(
lambda status: self.enableCaptureButton() if status == QtMultimedia
.QCamera.ActiveStatus and len(self.images) < 12 else None)
self.camera.error.connect(
lambda: self.alert("camera error", self.camera.errorString()))
self.camera.start()
self.capture = QtMultimedia.QCameraImageCapture(self.camera)
self.capture.error.connect(
lambda i, e, s: self.alert("capture error", s))
self.capture.imageCaptured.connect(self.imageCaptured)
def img_capture(self): # Function for capture image.
image_capture = QtMultimedia.QCameraImageCapture(self.camera)
image_capture.setCaptureDestination( # Modes and Destination.
QtMultimedia.QCameraImageCapture.CaptureToFile)
self.camera.setCaptureMode(QtMultimedia.QCamera.CaptureStillImage)
filename = os.path.dirname(os.path.abspath(__file__))
camera_path = os.path.join(filename, "camera/captures/")
image_capture.capture(os.path.normpath(camera_path))
def __init__(self, camera):
super().__init__()
self._camera = camera
self._camera_viewfinder = QtMultimediaWidgets.QCameraViewfinder()
self._camera.setCaptureMode(QtMultimedia.QCamera.CaptureStillImage)
self._image_capture = QtMultimedia.QCameraImageCapture(self._camera)
self._image_capture.setCaptureDestination(
QtMultimedia.QCameraImageCapture.CaptureToFile)
self._tag = None
self._standard_img = None
self._current_frame = None
self._current_image_name = None
def captureToggle(self):
tabs = self.mainWindow.previewTabs
if tabs.currentWidget() != self.mainWindow.cameraTab:
tabs.setCurrentWidget(self.mainWindow.waitTab)
try:
if self.camera is None:
if self.cameraInfo is None:
self._showError('No camera selected!')
tabs.setCurrentWidget(self.mainWindow.badgePreviewTab)
return
self.camera = QtMultimedia.QCamera(self.cameraInfo)
self.camera.viewfinderSettings().setResolution(640, 480)
self.camera.setViewfinder(self.mainWindow.cameraViewFinder)
def statusChanged(status):
if status == QtMultimedia.QCamera.ActiveStatus:
tabs.setCurrentWidget(self.mainWindow.cameraTab)
self.camera.statusChanged.connect(statusChanged)
QtCore.QTimer.singleShot(1, self.camera.start)
except Exception as exc:
print(exc)
self._showError('Failed to initialize camera. :(')
tabs.setCurrentWidget(self.mainWindow.badgePreviewTab)
return
elif tabs.currentWidget() == self.mainWindow.cameraTab:
def imageSaved(id, filename):
self.useImage(filename)
self.imageCapture = QtMultimedia.QCameraImageCapture(self.camera)
self.imageCapture.imageSaved.connect(imageSaved)
tmpFile = os.path.abspath(os.path.join('archive', '_capture.jpg'))
self.imageCapture.capture(tmpFile)
self.camera.stop()
