import cv2
img = cv2.imread(“pic.jpg”)
cv2.imshow(“image”,img)
cv2.waitKey(0)
cv2.destroyAllWindows()
畫線
greeen = (0,255,0)
cv2.line(img,(0,0),(300,300),greeen,3)
cv2.imshow(“image”,img)
cv2.waitKey(0)
cv2.destroyAllWindows()
畫圓
cv2.circle(img,(150,150),100,greeen,2)
cv2.imshow(“image”,img)
cv2.waitKey(0)
cv2.destroyAllWindows()
畫矩形
cv2.rectangle(img,(100,100),(180,130),greeen,2)
cv2.imshow(“image”,img)
cv2.waitKey(0)
cv2.destroyAllWindows()