def classinit_pic_quantizers(cls):
    """
        Decorator that adds the PIC quantizer static tables to *cls*.
        """
    cls._quantizer = []
    cls._quantizer9 = []
    cls._quantizer81 = []
    for i in range(-255, -20):
        cls._quantizer.append(-4)
    for i in range(-20, -6):
        cls._quantizer.append(-3)
    for i in range(-6, -2):
        cls._quantizer.append(-2)
    for i in range(-2, 0):
        cls._quantizer.append(-1)
    cls._quantizer.append(0)
    for i in range(1, 3):
        cls._quantizer.append(1)
    for i in range(3, 7):
        cls._quantizer.append(2)
    for i in range(7, 21):
        cls._quantizer.append(3)
    for i in range(21, 256):
        cls._quantizer.append(4)
    for q in cls._quantizer:
        cls._quantizer9.append(9 * q)
        cls._quantizer81.append(81 * q)
    return cls
