def vectorize(e, tolerance=0.1):
    """
    vectorizes the pdf object's bounding box
    min_width is the width under which we consider it a line
    instead of a big rectangle
    """
    tolerance = max(tolerance, e.linewidth)
    is_high = e.height > tolerance
    is_wide = e.width > tolerance
    if is_wide and not is_high:
        return e.width, 0.0
    if is_high and not is_wide:
        return 0.0, e.height
