detection_crop_window.py 文件源码

def click_and_crop(event, x, y, flags, param):
    global refPt, cropping
    if event == cv2.EVENT_LBUTTONDOWN:    # indicates that the left mouse button is pressed
        refPt = [(x, y)]
        cropping = True
    elif event == cv2.EVENT_RBUTTONDOWN:   # indicates that the right mouse button is pressed
        refPt.append((x, y))
        cropping = False
        cv2.rectangle(image, refPt[0], refPt[1], (0, 255, 0), 2)
        cv2.imshow("image", image)


# <=====================================================================================>
# Here is the process to crop the window and get the position of the graph
# after the classification of the fish boat