def capture_image(self, wait_for_finger): """FIXME: check that the dev supports imaging, or check -ENOTSUP""" if not self.dev: raise "Device not open" unconditional = 1 if wait_for_finger == True: unconditional = 0 (r, img) = pyf.pyfp_dev_img_capture(self.dev, unconditional) if r != 0: raise "image_capture failed. error: " + r return Image(img)
def capture_image(self, wait_for_finger):
"""
Captures an image from the device. Return None if imaging isn't supported.
wait_for_finger controls if the device should wait for a finger to be placed
on the sensor before image capture.
"""
if not self.dev:
raise "Device not open"
if not self.supports_imaging():
return None
unconditional = 1
if wait_for_finger == True:
unconditional = 0
(r, img) = pyf.pyfp_dev_img_capture(self.dev, unconditional)
img = Image(img)
if r != 0:
raise "image_capture failed. error: %i" % r
return img
def capture_image(self, wait_for_finger): """ Captures an image from the device. Return None if imaging isn't supported. wait_for_finger controls if the device should wait for a finger to be placed on the sensor before image capture. """ if not self.dev: raise "Device not open" if not self.supports_imaging(): return None unconditional = 1 if wait_for_finger == True: unconditional = 0 (r, img) = pyf.pyfp_dev_img_capture(self.dev, unconditional) img = Image(img) if r != 0: raise "image_capture failed. error: %i" % r return img
