getting pixels with mouse click
# importing the module
import cv2
# function to display the coordinates of
# of the points clicked on the image
def click_event(event, x, y, flags, params):
# checking for left mouse clicks
if event == cv2.EVENT_LBUTTONDOWN:
# displaying the coordinates
# on the Shell
print(x, ' ', y)
# displaying the coordinates
# on the image window
font = cv2.FONT_HERSHEY_SIMPLEX
cv2.putText(img, str(x) + ',' +
str(y), (x,y), font,
1, (255, 0, 0), 2)
cv2.imshow('image', img)
# checking for right mouse clicks
if event==cv2.EVENT_RBUTTONDOWN:
# displaying the coordinates
# on the Shell
print(x, ' ', y)
# displaying the coordinates
# on the image window
font = cv2.FONT_HERSHEY_SIMPLEX
b = img[y, x, 0]
g = img[y, x, 1]
r = img[y, x, 2]
cv2.putText(img, str(b) + ',' +
str(g) + ',' + str(r),
(x,y), font, 1,
(255, 255, 0), 2)
cv2.imshow('image', img)
# driver function
if __name__=="__main__":
# reading the image
img = cv2.imread('lena.jpg', 1)
# displaying the image
cv2.imshow('image', img)
# setting mouse handler for the image
# and calling the click_event() function
cv2.setMouseCallback('image', click_event)
# wait for a key to be pressed to exit
cv2.waitKey(0)
# close the window
cv2.destroyAllWindows()