mouse_event_openCV_5.py

import numpy as np  
import cv2

#events = [i for i in dir(cv2) if 'EVENT' in i] #get all the events names in the cv2
#print(events)

def click_event(event,x,y,flags,param): # event click in the mouse and x and y that was clicked
    if event == cv2.EVENT_LBUTTONDOWN:
        print(x,' , ',y)
        font = cv2.FONT_HERSHEY_SIMPLEX
        strXY=str(x) +','+ str(y)
        frame = cv2.putText(img,strXY,(x,y),font,1,(255,255,0),1)

        cv2.imshow('image',img)

    if event == cv2.EVENT_RBUTTONDOWN:
        blue =  img[y,x,0]
        green = img[y,x,1]
        red=    img[y,x,2]
        font = cv2.FONT_HERSHEY_SIMPLEX
        strXY=str(blue) +','+ str(green) + ',' + str(red) 
        frame = cv2.putText(img,strXY,(x,y),font,1,(0,255,255),1)
        cv2.imshow('image',img)



#img = np.zeros([512,512,3],np.uint8)
img=cv2.imread('lena.jpg',1)
cv2.imshow('image',img)
cv2.setMouseCallback('image',click_event)
cv2.waitKey(0)
cv2.destroyAllWindows