bitwise.py

import cv2 as cv
import numpy as np


blank = np.zeros((400, 400), dtype='uint8')
rectangle = cv.rectangle(blank.copy(), (30,30),  (370, 370), 255, -1)
circle = cv.circle(blank.copy(), (200, 200), 200, 255, -1)

cv.imshow("Rectangle", rectangle)
cv.imshow("circle", circle)

# bitwise and
bitwise_and = cv.bitwise_and(rectangle, circle)
cv.imshow("bitwise and", bitwise_and)

# bitwise or
bitwise_or = cv.bitwise_or(rectangle, circle)
cv.imshow("bitwise or", bitwise_or)

# bitwise XOR --> non-intersecting regions  
bitwise_xor = cv.bitwise_xor(rectangle, circle)
cv.imshow('Bitwise XOR', bitwise_xor)

# bitwise NOT
bitwise_not = cv.bitwise_not(circle)
cv.imshow('Circle NOT', bitwise_not)


cv.waitKey(0)