read_mask.py 文件源码

def markPoint(event, x, y, flags, param):
    global idx
    global data
    global input

    if event == cv2.EVENT_LBUTTONUP:
        data.append((x, y))
        cv2.circle(input, (x, y), 3, (0,0,255), 2)
        cv2.putText(input, str(idx), (x, y+4), cv2.FONT_HERSHEY_SIMPLEX, 0.4, (0, 0, 0), 2, cv2.LINE_AA)
        cv2.imshow("Mark points", input)
        idx = idx + 1