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getting pixels with mouse click

Homeless Herring answered on March 12, 2022 Popularity 1/10 Helpfulness 1/10

answer getting pixels with mouse click

getting pixels with mouse click

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# 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()

Popularity 1/10 Helpfulness 1/10 Language whatever

Source: www.geeksforgeeks.org

Tags: click mouse pixels whatever

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Contributed on Mar 12 2022

Homeless Herring

0 Answers Avg Quality 2/10

getting pixels with mouse click

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