def main():
app = QApplication(
sys.argv
) # must be called in order to be able to use all the stuff below(!)
print("The application is executed on: %s" % app.platformName())
l_cameras = QCameraInfo.availableCameras()
if len(l_cameras) == 0:
print("ERROR: no cameras found")
sys.exit(-1)
else:
print("INFO: found %i camera(s)" % len(l_cameras))
print()
for i_idx, oc_caminfo in enumerate(l_cameras):
# QCameraInfo - derived properties
print("Camera #%i:" % i_idx)
print("\t deviceName: %s" % oc_caminfo.deviceName())
print("\t description: %s" % oc_caminfo.description())
print("\t isNull: %s" % oc_caminfo.isNull())
print("\t orientation: %s" % oc_caminfo.orientation())
print("\t position: %s" % oc_caminfo.position())
# QCamera - derived properties
oc_camera = QCamera(i_idx)
camera_sync_load_and_start(oc_camera)
oc_camera_exposure = oc_camera.exposure()
print("\t captureMode: %s" % captureMode2str(oc_camera.captureMode()))
print("\t exposure:")
print("\t\t isAvailabe: %s" % oc_camera_exposure.isAvailable())
if oc_camera_exposure.isAvailable():
print("\t\t aperture: %s" % oc_camera_exposure.aperture())
# TODO test this, add more entries
oc_camera_focus = oc_camera.focus()
print("\t focus:")
print("\t\t isAvailabe: %s" % oc_camera_focus.isAvailable())
if oc_camera_focus.isAvailable():
print("\t\t aperture: %f" % oc_camera_focus.digitalZoom())
# TODO test this, add more entries
oc_cam_img_proc = oc_camera.imageProcessing()
print("\t imageProcessing:")
print("\t\t isAvailabe: %s" % oc_cam_img_proc.isAvailable())
if oc_cam_img_proc.isAvailable():
print("\t\t brightness: %f" % oc_cam_img_proc.brightness())
print("\t\t contrast: %f" % oc_cam_img_proc.contrast())
print("\t\t denoisingLevel: %f" % oc_cam_img_proc.denoisingLevel())
print("\t\t manualWhiteBalance: %f" %
oc_cam_img_proc.manualWhiteBalance())
print("\t\t saturation: %f" % oc_cam_img_proc.saturation())
print("\t\t sharpeningLevel: %f" %
oc_cam_img_proc.sharpeningLevel())
print("\t isVideoCaptureSupported: %s" %
oc_camera.isCaptureModeSupported(QCamera.CaptureVideo))
print("\t lockStatus: %s" % lockStatus2str(oc_camera.lockStatus()))
print("\t requestedLocks: %s" %
lockType2str(oc_camera.requestedLocks()))
print("\t state: %s" % state2str(oc_camera.state()))
print("\t status: %s" % status2str(oc_camera.status()))
print("\t supportedLocks: %s" %
lockType2str(oc_camera.supportedLocks()))
print(
"\t supportedViewfinderFrameRateRanges: %s" %
frameRateRange2str(oc_camera.supportedViewfinderFrameRateRanges()))
print("\t supportedViewfinderPixelFormats: %s" %
repr(oc_camera.supportedViewfinderPixelFormats()))
print("\t supportedViewfinderResolutions: \n\t\t%s" %
frameResolution2str(oc_camera.supportedViewfinderResolutions()))
print("\t len(supportedViewfinderSettings): %s" %
len(oc_camera.supportedViewfinderSettings()))
# QCameraViewfinderSettings - derived properties
oc_vf_settings = oc_camera.viewfinderSettings()
if oc_vf_settings.isNull():
print("\t viewfinderSettings: not supported")
camera_sync_stop_and_unload(oc_camera)
print()
continue
print("\t maximumFrameRate: %f" % oc_vf_settings.maximumFrameRate())
print("\t minimumFrameRate: %f" % oc_vf_settings.minimumFrameRate())
print("\t resolution: %s" %
frameResolution2str([oc_vf_settings.resolution()]))
# TODO the rest of methods...
camera_sync_stop_and_unload(oc_camera)
print()
class AvatarWidget(QWizardPage):
def __init__(self, parent=None):
super().__init__(parent)
self.setSubTitle(self.tr("<h2>Create Your Avatar</h2>"))
vlayout = QVBoxLayout(self)
labelLayout = QHBoxLayout()
labelImage = QLabel()
labelImage.setPixmap(QPixmap(":/data/images/preferences-desktop-personal.png"))
labelImage.setMaximumSize(64, 64)
labelLayout.addWidget(labelImage)
label = QLabel(self)
label.setWordWrap(True)
label.setText(self.tr("<p>This screen helps you set your <strong>user picture</strong>. You can either choose an image from a \
file or you can capture an image from your camera. Select an option from the <strong>options</strong> menu.</p>"))
labelLayout.addWidget(label)
vlayout.addLayout(labelLayout)
vlayout.addItem(QSpacerItem(20, 40, QSizePolicy.Preferred, QSizePolicy.Preferred))
centerLayout = QHBoxLayout()
centerLayout.addItem(QSpacerItem(40, 20, QSizePolicy.Preferred, QSizePolicy.Preferred))
groupBox = QGroupBox()
groupBox.setMaximumWidth(500)
vlayout2 = QVBoxLayout(groupBox)
hlayout = QHBoxLayout()
comboBox = QComboBox()
comboBox.setMinimumWidth(250)
comboBox.addItems([self.tr("Options"), self.tr("Choose an image...")])
#Camera control
self.cameraInfo = None
self.camera = None
self.cameraImageCapture = None
cameras = QCameraInfo.availableCameras()
if len(cameras):
self.cameraInfo = cameras[0]
comboBox.addItem(self.tr("Camera ") + self.cameraInfo.deviceName())
self.camera = QCamera(self.cameraInfo)
self.camera.setCaptureMode(QCamera.CaptureStillImage)
self.cameraImageCapture = QCameraImageCapture(self.camera)
self.imageProcessing = self.camera.imageProcessing()
self.imageProcessing.setWhiteBalanceMode(QCameraImageProcessing.WhiteBalanceSunlight)
self.imageProcessing.setContrast(1)
self.imageProcessing.setSaturation(1)
self.imageProcessing.setSharpeningLevel(1)
self.imageProcessing.setDenoisingLevel(1)
#self.imageProcessing.setColorFilter(QCameraImageProcessing.ColorFilterWhiteboard) #FIXME Qt5.5
self.cameraImageCapture.imageCaptured.connect(self.imageCapture)
self.buttonCam = QPushButton()
self.buttonCam.setText(self.tr("Capture"))
self.buttonCam.setIcon(QIcon(":/data/images/webcamreceive.png"))
self.buttonCam.setVisible(False)
self.buttonReplay = QPushButton()
self.buttonReplay.setText(self.tr("Recapture"))
self.buttonReplay.setIcon(QIcon(":/data/images/view-refresh.png"))
self.buttonReplay.setVisible(False)
hlayout.addWidget(comboBox)
hlayout.addItem(QSpacerItem(300, 20, QSizePolicy.Preferred, QSizePolicy.Preferred))
hlayout.addWidget(self.buttonCam)
hlayout.addWidget(self.buttonReplay)
vlayout2.addLayout(hlayout)
hlayout2 = QHBoxLayout()
hlayout2.addItem(QSpacerItem(40, 20, QSizePolicy.Preferred, QSizePolicy.Preferred))
self.cameraLabel = QLabel()
self.cameraLabel.setScaledContents(True)
self.cameraLabel.setStyleSheet("background-color: black;")
self.cameraLabel.setMinimumSize(320, 240)
self.cameraLabel.setMaximumSize(320, 240)
self.cameraView = QCameraViewfinder()
self.cameraView.setMaximumSize(320,240)
self.cameraView.setMinimumSize(320,240)
self.cameraView.hide()
hlayout2.addWidget(self.cameraLabel)
hlayout2.addWidget(self.cameraView)
hlayout2.addItem(QSpacerItem(40, 20, QSizePolicy.Preferred, QSizePolicy.Preferred))
vlayout2.addLayout(hlayout2)
centerLayout.addWidget(groupBox)
centerLayout.addItem(QSpacerItem(40, 20, QSizePolicy.Preferred, QSizePolicy.Preferred))
vlayout.addLayout(centerLayout)
vlayout.addItem(QSpacerItem(20, 40, QSizePolicy.Preferred, QSizePolicy.Preferred))
comboBox.currentIndexChanged.connect(self.avatarSelect)
self.buttonCam.clicked.connect(self.buttonCamChanged)
self.buttonReplay.clicked.connect(self.buttonReplayChanged)
self.userAvatar = None
def avatarSelect(self, index):
if index == 0:
if self.camera != None:
self.camera.stop()
self.buttonReplay.hide()
self.buttonCam.hide()
self.cameraView.hide()
self.cameraLabel.show()
elif index == 1:
if self.camera != None:
self.camera.stop()
self.userAvatar = None
self.buttonReplay.hide()
self.buttonCam.hide()
self.cameraView.hide()
self.cameraLabel.show()
file_url, file_type = QFileDialog.getOpenFileName(self, self.tr("Choose Avatar"), QDir.homePath(), "Image (*.png *.jpg)")
if file_url != "":
p = QPixmap(file_url)
self.cameraLabel.setPixmap(p)
self.userAvatar = file_url
elif index == 2:
self.userAvatar = None
self.cameraLabel.hide()
self.cameraView.show()
self.camera.setViewfinder(self.cameraView)
self.camera.start()
self.buttonCam.setVisible(True)
self.buttonReplay.hide()
def buttonCamChanged(self):
self.buttonCam.hide()
self.buttonReplay.show()
self.camera.searchAndLock()
self.cameraImageCapture.capture("/tmp/avatar.png")
self.camera.unlock()
self.userAvatar = "/tmp/avatar.png"
def buttonReplayChanged(self):
self.userAvatar = None
self.buttonReplay.hide()
self.buttonCam.show()
self.camera.start()
self.cameraLabel.hide()
self.cameraView.show()
def imageCapture(self, id, preview):
pixmap = QPixmap.fromImage(preview)
self.camera.stop()
self.cameraView.hide()
self.cameraLabel.show()
self.cameraLabel.setPixmap(pixmap)
def execute(self):
if self.userAvatar:
if os.path.exists(os.path.join(os.environ["HOME"], ".face.icon")):
os.remove(os.path.join(os.environ["HOME"], ".face.icon"))
shutil.copy(self.userAvatar, os.path.join(os.environ["HOME"], ".face.icon"))
class AvatarWidget(QWizardPage):
def __init__(self, parent=None):
super().__init__(parent)
self.setSubTitle(self.tr("<h2>Create Your Avatar</h2>"))
vlayout = QVBoxLayout(self)
labelLayout = QHBoxLayout()
labelImage = QLabel()
labelImage.setPixmap(
QPixmap(":/data/images/preferences-desktop-personal.png"))
labelImage.setMaximumSize(64, 64)
labelLayout.addWidget(labelImage)
label = QLabel(self)
label.setWordWrap(True)
label.setText(
self.
tr("<p>This screen helps you set your <strong>user picture</strong>. You can either choose an image from a \
file or you can capture an image from your camera. Select an option from the <strong>options</strong> menu.</p>"
))
labelLayout.addWidget(label)
vlayout.addLayout(labelLayout)
vlayout.addItem(
QSpacerItem(20, 40, QSizePolicy.Preferred, QSizePolicy.Preferred))
centerLayout = QHBoxLayout()
centerLayout.addItem(
QSpacerItem(40, 20, QSizePolicy.Preferred, QSizePolicy.Preferred))
groupBox = QGroupBox()
groupBox.setMaximumWidth(500)
vlayout2 = QVBoxLayout(groupBox)
hlayout = QHBoxLayout()
comboBox = QComboBox()
comboBox.setMinimumWidth(250)
comboBox.addItems([self.tr("Options"), self.tr("Choose an image...")])
#Camera control
self.cameraInfo = None
self.camera = None
self.cameraImageCapture = None
cameras = QCameraInfo.availableCameras()
if len(cameras):
self.cameraInfo = cameras[0]
comboBox.addItem(self.tr("Camera ") + self.cameraInfo.deviceName())
self.camera = QCamera(self.cameraInfo)
self.camera.setCaptureMode(QCamera.CaptureStillImage)
self.cameraImageCapture = QCameraImageCapture(self.camera)
self.imageProcessing = self.camera.imageProcessing()
self.imageProcessing.setWhiteBalanceMode(
QCameraImageProcessing.WhiteBalanceSunlight)
self.imageProcessing.setContrast(1)
self.imageProcessing.setSaturation(1)
self.imageProcessing.setSharpeningLevel(1)
self.imageProcessing.setDenoisingLevel(1)
#self.imageProcessing.setColorFilter(QCameraImageProcessing.ColorFilterWhiteboard) #FIXME Qt5.5
self.cameraImageCapture.imageCaptured.connect(self.imageCapture)
self.buttonCam = QPushButton()
self.buttonCam.setText(self.tr("Capture"))
self.buttonCam.setIcon(QIcon(":/data/images/webcamreceive.png"))
self.buttonCam.setVisible(False)
self.buttonReplay = QPushButton()
self.buttonReplay.setText(self.tr("Recapture"))
self.buttonReplay.setIcon(QIcon(":/data/images/view-refresh.png"))
self.buttonReplay.setVisible(False)
hlayout.addWidget(comboBox)
hlayout.addItem(
QSpacerItem(300, 20, QSizePolicy.Preferred, QSizePolicy.Preferred))
hlayout.addWidget(self.buttonCam)
hlayout.addWidget(self.buttonReplay)
vlayout2.addLayout(hlayout)
hlayout2 = QHBoxLayout()
hlayout2.addItem(
QSpacerItem(40, 20, QSizePolicy.Preferred, QSizePolicy.Preferred))
self.cameraLabel = QLabel()
self.cameraLabel.setScaledContents(True)
self.cameraLabel.setStyleSheet("background-color: black;")
self.cameraLabel.setMinimumSize(320, 240)
self.cameraLabel.setMaximumSize(320, 240)
self.cameraView = QCameraViewfinder()
self.cameraView.setMaximumSize(320, 240)
self.cameraView.setMinimumSize(320, 240)
self.cameraView.hide()
hlayout2.addWidget(self.cameraLabel)
hlayout2.addWidget(self.cameraView)
hlayout2.addItem(
QSpacerItem(40, 20, QSizePolicy.Preferred, QSizePolicy.Preferred))
vlayout2.addLayout(hlayout2)
centerLayout.addWidget(groupBox)
centerLayout.addItem(
QSpacerItem(40, 20, QSizePolicy.Preferred, QSizePolicy.Preferred))
vlayout.addLayout(centerLayout)
vlayout.addItem(
QSpacerItem(20, 40, QSizePolicy.Preferred, QSizePolicy.Preferred))
comboBox.currentIndexChanged.connect(self.avatarSelect)
self.buttonCam.clicked.connect(self.buttonCamChanged)
self.buttonReplay.clicked.connect(self.buttonReplayChanged)
self.userAvatar = None
def avatarSelect(self, index):
if index == 0:
if self.camera != None:
self.camera.stop()
self.buttonReplay.hide()
self.buttonCam.hide()
self.cameraView.hide()
self.cameraLabel.show()
elif index == 1:
if self.camera != None:
self.camera.stop()
self.userAvatar = None
self.buttonReplay.hide()
self.buttonCam.hide()
self.cameraView.hide()
self.cameraLabel.show()
file_url, file_type = QFileDialog.getOpenFileName(
self, self.tr("Choose Avatar"), QDir.homePath(),
"Image (*.png *.jpg)")
if file_url != "":
p = QPixmap(file_url)
self.cameraLabel.setPixmap(p)
self.userAvatar = file_url
elif index == 2:
self.userAvatar = None
self.cameraLabel.hide()
self.cameraView.show()
self.camera.setViewfinder(self.cameraView)
self.camera.start()
self.buttonCam.setVisible(True)
self.buttonReplay.hide()
def buttonCamChanged(self):
self.buttonCam.hide()
self.buttonReplay.show()
self.camera.searchAndLock()
self.cameraImageCapture.capture("/tmp/avatar.png")
self.camera.unlock()
self.userAvatar = "/tmp/avatar.png"
def buttonReplayChanged(self):
self.userAvatar = None
self.buttonReplay.hide()
self.buttonCam.show()
self.camera.start()
self.cameraLabel.hide()
self.cameraView.show()
def imageCapture(self, id, preview):
pixmap = QPixmap.fromImage(preview)
self.camera.stop()
self.cameraView.hide()
self.cameraLabel.show()
self.cameraLabel.setPixmap(pixmap)
def execute(self):
if self.userAvatar:
if os.path.exists(os.path.join(os.environ["HOME"], ".face.icon")):
os.remove(os.path.join(os.environ["HOME"], ".face.icon"))
shutil.copy(self.userAvatar,
os.path.join(os.environ["HOME"], ".face.icon"))
