if k == 27 or k == ord('m'):
break
if k == ord('f'):
print('showing frame')
frame = W.getFrame()
cv2.imshow('webcam', frame)
if k == ord('d'):
print('showing merge of 10 frames')
frame = W.getFrame(10)
cv2.imshow('webcam', frame)
if k == ord('s'): # 'save'
points = W.getWebcamZoom()
print('Here are the coordinates of 4 corners of webcam zoom')
for i in range(4):
print('Corner %i = (%f,%f)', i, points[2 * i], points[2 * i + 1])
if k == ord('l'): # 'load'
delx = 0.1
dely = 0.2
frame = W.getFrame()
width = frame.shape[1]
height = frame.shape[0]
W.setWebcamZoom(delx * width, dely * height, (1 - delx) * width,
dely * height, (1 - delx) * width, (1 - dely) * height,
delx * width, (1 - dely) * height)
print("zoom defined... type 'm' to see mapped capture")
