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Annotation of researchv10dc/man/adm/man9/bitfile.9, revision 1.1

1.1     ! root        1: .TH BITFILE 9.5
        !             2: .CT 1 comm_other
        !             3: .SH NAME
        !             4: bitfile \- format of bitmap file
        !             5: .SH DESCRIPTION
        !             6: Binary files produced by
        !             7: .IR blitblt (9.1)
        !             8: and other bitmap-generating programs
        !             9: are formatted as follows:
        !            10: .TP 12
        !            11: Byte no.
        !            12: Description
        !            13: .TP
        !            14: 0, 1:
        !            15: Zero.
        !            16: .TP
        !            17: 2, 3:
        !            18: .IR x -coordinate
        !            19: of the rectangle origin (low-order byte, high-order byte).
        !            20: .TP
        !            21: 4, 5:
        !            22: .IR Y -coordinate
        !            23: of the rectangle origin (low-order byte, high-order byte).
        !            24: .TP
        !            25: 6, 7:
        !            26: .IR x -coordinate
        !            27: of the rectangle corner (low-order byte, high-order byte).
        !            28: .TP
        !            29: 8, 9:
        !            30: .IR Y -coordinate
        !            31: of the rectangle corner (low-order byte, high-order byte).
        !            32: .TP
        !            33: remainder:
        !            34: Compressed raster data.
        !            35: Each raster is exclusive-or'd
        !            36: with the previous one, and
        !            37: zero-extended (if necessary) to a 16-bit boundary.
        !            38: It is then encoded into
        !            39: byte sequences, each of which consists of a control byte followed by
        !            40: two or more data bytes:
        !            41: .TP 12
        !            42: Control
        !            43: Data
        !            44: .TP
        !            45: .IR n " (< 127)"
        !            46: .RI 2\(mu n
        !            47: bytes of raster data, running from left to right.
        !            48: .TP
        !            49: .BI "0x80+" n
        !            50: 2 bytes of raster data, to be replicated from left to right
        !            51: .I n
        !            52: times.
        !            53: .LP
        !            54: There are also two
        !            55: .SM ASCII
        !            56: formats in current use.
        !            57: Textures and 16\(mu16 icons,
        !            58: as created by
        !            59: .IR icon (9.1),
        !            60: are encoded as a
        !            61: .B Texture
        !            62: declaration with initializer,
        !            63: to be copied unchanged into C program source; see
        !            64: .IR types (9.5).
        !            65: Faces and other large icons
        !            66: are without any surrounding C syntax.
        !            67: In either case, each scan line of the
        !            68: bitmap is a comma-separated list of C-style short
        !            69: hexadecimal constants; scan lines are separated by newlines.
        !            70: .SH "SEE ALSO"
        !            71: .IR blitblt (9.1), 
        !            72: .IR icon (9.1), 
        !            73: .IR types (9.5), 
        !            74: .IR vismon (9.1)

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