F:/My Projects/LSEngine/Modules/LSImageLib/Src/Jpeg/LSIBio.h

/*
 * Copyright (c) 2002-2007, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium
 * Copyright (c) 2002-2007, Professor Benoit Macq
 * Copyright (c) 2001-2003, David Janssens
 * Copyright (c) 2002-2003, Yannick Verschueren
 * Copyright (c) 2003-2007, Francois-Olivier Devaux and Antonin Descampe
 * Copyright (c) 2005, Herve Drolon, FreeImage Team
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */


#ifndef __LSI_BIO_H__
#define __LSI_BIO_H__

#include "../LSIImageLib.h"

namespace lsi {

        class CBio {
        public :
                // == Types.
                typedef struct opj_bio_t {
                        LSUINT8 *                                                       start;
                        LSUINT8 *                                                       end;
                        LSUINT8 *                                                       bp;
                        LSUINT32                                                        buf;
                        LSINT32                                                         ct;
                } * LPopj_bio_t, * const LPCopj_bio_t;

                
                // == Functions.
                static opj_bio_t * LSE_CALL                             bio_create();

                static LSVOID LSE_CALL                                  bio_destroy( opj_bio_t *  _pbBio );

                static LSINT32 LSE_CALL                                 bio_numbytes( opj_bio_t * _pbBio );

                static LSVOID LSE_CALL                                  bio_init_enc( opj_bio_t * _pbBio, LSUINT8 * _pui8Bp, LSINT32 _i32Len );

                static LSVOID LSE_CALL                                  bio_init_dec( opj_bio_t * _pbBio, LSUINT8 * _pui8Bp, LSINT32 _i32Len );

                static LSVOID LSE_CALL                                  bio_write( opj_bio_t * _pbBio, LSINT32 _i32V, LSINT32 _i32N );

                static LSINT32 LSE_CALL                                 bio_read( opj_bio_t * _pbBio, LSINT32 _i32N );

                static LSINT32 LSE_CALL                                 bio_flush( opj_bio_t * _pbBio );

                static LSINT32 LSE_CALL                                 bio_inalign( opj_bio_t * _pbBio );


        protected :
                // == Functions.
                static LSVOID LSE_CALL                                  bio_putbit( opj_bio_t *_pbBio, LSINT32 _i32B );

                static LSINT32 LSE_CALL                                 bio_getbit( opj_bio_t * _pbBio );

                static LSINT32 LSE_CALL                                 bio_byteout( opj_bio_t * _pbBio );

                static LSINT32 LSE_CALL                                 bio_bytein( opj_bio_t * _pbBio );

        };

}       // namespace lsi

#endif  // __LSI_BIO_H__