import numpy as np
import cv2

# Create a black image
img = np.zeros((512,512,3), np.uint8)
# Draw a diagonal blue line with thickness of 5 px
cv2.line(img,(0,0),(511,511),(255,0,0),5)
cv2.rectangle(img,(384,0),(510,128),(0,255,0),3)
cv2.circle(img,(200,100), 70, (100,0,255), -1)
cv2.imwrite("../Desktop/line.png",img)
