shithub: jbig2

ref: ccb4bbffa33b6c0e33b9bc6844ddf69d155c9eb3
dir: /jbig2_arith.h/

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/*
    jbig2dec
    
    Copyright (c) 2001 artofcode LLC.
    
    This software is distributed under license and may not
    be copied, modified or distributed except as expressly
    authorized under the terms of the license contained in
    the file LICENSE in this distribution.
                                                                                
    For information on commercial licensing, go to
    http://www.artifex.com/licensing/ or contact
    Artifex Software, Inc.,  101 Lucas Valley Road #110,
    San Rafael, CA  94903, U.S.A., +1(415)492-9861.

    $Id: jbig2_arith.h,v 1.4 2002/02/16 07:25:36 raph Exp $
*/

typedef struct _Jbig2ArithState Jbig2ArithState;

/* An arithmetic coding context is stored as a single byte, with the
   index in the low order 7 bits (actually only 6 are used), and the
   MPS in the top bit. */
typedef unsigned char Jbig2ArithCx;

Jbig2ArithState *
jbig2_arith_new (Jbig2Ctx *ctx, Jbig2WordStream *ws);

bool
jbig2_arith_decode (Jbig2ArithState *as, Jbig2ArithCx *pcx);