mouse_event_opencv_python.py

import numpy as np
import cv2

'''
events = [i for i in dir(cv2) if 'EVENT' in i]
print(events)
'''

def click_event(event, x,y, flags, param):
    if event == cv2.EVENT_LBUTTONDOWN:
        print(x,' ,', y)
        
        font = cv2.FONT_HERSHEY_SIMPLEX
        
        strXY = str(x)+' ,'+ str(y)
        
        cv2.putText(img, strXY, (x,y), font, 1, (255,255,0), 2)
        cv2.imshow('image', img)
    if event ==cv2.EVENT_RBUTTONDOWN:
        blue = img[y,x,0]
        green = img[y,x,1]
        red = img[x,y,2]
        print(blue,' ,', green,', ', red)
        
        font = cv2.FONT_HERSHEY_SIMPLEX
        
        strBGR = str(blue)+' ,'+ str(green)+' ,'+ str(red)
        
        cv2.putText(img, strBGR, (x,y), font, 1, (0,255,255), 2)
        cv2.imshow('image', img)
        
        
        

#img = np.zeros((512,512,3), np.uint8)
img = cv2.imread('Image-Similarity/main_img.png')
cv2.imshow('image', img)

cv2.setMouseCallback('image', click_event)

cv2.waitKey(0)
cv2.destroyAllWindows()