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 --> intersecting regions
bitwise_and = cv.bitwise_and(rectangle, circle)
cv.imshow('Bitwise AND', bitwise_and)

# bitwise OR --> non-intersecting and intersecting regions
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 --> inverts the binary color
bitwise_not = cv.bitwise_not(rectangle)
cv.imshow('Rectangle NOT', bitwise_not)

cv.waitKey(0)