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    dy: 0
    w: 0
    h: 0
    x0: 0
    y0: 0
    prec: 0
    bpp: 0
    sgnd: 0
    resno_decoded: 0
    factor: 0
    data: <glymur.lib.openjp2.LP_c_int object at 0x11195b268>
    alpha: 0
