text: """
  Demonstration of the GazeTracking library.
  Check the README.md for complete documentation.
  """
  
  import cv2
  from gaze_tracking import GazeTracking
  
  gaze = GazeTracking()
  webcam = cv2.VideoCapture(1)
  
  while True:
      # We get a new frame from the webcam
      _, frame = webcam.read()
  
      # We send this frame to GazeTracking to analyze it
      gaze.refresh(frame)
  
      frame = gaze.annotated_frame()
      text = ""
  
      if gaze.is_blinking():
          text = "Blinking"
      elif gaze.is_right():
          text = "Looking right"
      elif gaze.is_left():
          text = "Looking left"
      elif gaze.is_center():
          text = "Looking center"
  
      cv2.putText(frame, text, (90, 60), cv2.FONT_HERSHEY_DUPLEX, 1.6, (147, 58, 31), 2)
  
      left_pupil = gaze.pupil_left_coords()
      right_pupil = gaze.pupil_right_coords()
      cv2.putText(frame, "Left pupil:  " + str(left_pupil), (90, 130), cv2.FONT_HERSHEY_DUPLEX, 0.9, (147, 58, 31), 1)
      cv2.putText(frame, "Right pupil: " + str(right_pupil), (90, 165), cv2.FONT_HERSHEY_DUPLEX, 0.9, (147, 58, 31), 1)
  
      cv2.imshow("Demo", frame)
  
      if cv2.waitKey(1) == 27:
          break
  