cv2

Author: makelove

ch07-把鼠标当画笔/7.draw_circle_rectangle.py

@@ -48,5 +48,5 @@ def draw_circle(event, x, y, flags, param):
         mode = not mode
     elif k == ord("q"):
         break
-cv.waitKey()
-cv.destroyAllWindows()
+
+cv2.destroyAllWindows()