from PIL import Image, ImageDraw import cv2 import numpy from time import sleep def blank(x, y): image = Image.new('RGB', (1920, 1080), color='black') draw = ImageDraw.Draw(image) draw.ellipse((0, 0, 500, 500), fill='Black') draw.ellipse((10, 10, 490, 490), fill='White') opencvImage = cv2.cvtColor(numpy.array(image), cv2.COLOR_RGB2BGR) cv2.namedWindow("window", cv2.WND_PROP_FULLSCREEN) cv2.moveWindow("window", 0, 0) cv2.setWindowProperty("window",cv2.WND_PROP_FULLSCREEN,cv2.WINDOW_FULLSCREEN) cv2.imshow("window", opencvImage) if __name__ == "__main__": blank(0, 0) cv2.waitKey(1000)