• Pavel Rojtberg's avatar
    highgui: add property WND_PROP_VISIBLE · 358ec044
    Pavel Rojtberg authored
    checks whether the window exists and is visible. On QT closing a window
    merley hides it, so the common hack for checking whether a window exists
    
    exists = cv2.getWindowProperty(.., 0) >= 0
    
    does not work.
    358ec044
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