get_pixel_coords for blade coater alignment

get_pixel_coords.py

class StoreCoordinates:
    def __init__(self):
        self.points = []
        
    def select_point(self,event,x,y,flags,param):
        if event == cv2.EVENT_LBUTTONDOWN:
            # Display the clicked coordinates on shell
            print(x, ' ', y)
                
            # displaying the coordinates on the image window
            font = cv2.FONT_HERSHEY_SCRIPT_SIMPLEX   
            text = str(x) + ',' + str(y)
            cv2.putText(copy, text, (x,y), font, 0.5, (255, 255, 255), 2)
            cv2.imshow('Blade-Coater Alignment', copy)
            self.points.append((x,y))