#!/usr/bin/python3 

import cv2
import numpy as np

mouse_raw = (0, 0)

def clickEvent(event, x, y, flags, params):
    global mouse_raw

    if event == cv2.EVENT_LBUTTONDOWN:
        mouse_raw = (x, y)
        print(mouse_raw)

cap = cv2.VideoCapture(0)
cv2.namedWindow("image")
cv2.setMouseCallback("image", clickEvent)

while True:
    success, img = cap.read()
    cv2.imshow("image", img)
    cv2.waitKey(0)

cv2.destroyAllWindows()