F:/My Projects/LSEngine/Modules/LSImageLib/Src/Jpeg/LSIPi.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_PI_H__
#define __LSI_PI_H__

#include "../LSIImageLib.h"
#include "LSIJ2k.h"
#include "LSIJpegCommonStructs.h"
#include "LSIJpegImage.h"

namespace lsi {

        class CPi {
        public :
                // == Types.
                typedef struct opj_pi_resolution {
                  LSINT32                                                               pdx, pdy;
                  LSINT32                                                               pw, ph;
                } opj_pi_resolution_t;

                typedef struct opj_pi_comp {
                  LSINT32                                                               dx, dy;
                  LSINT32                                                               numresolutions;
                  opj_pi_resolution_t *                                 resolutions;
                } opj_pi_comp_t;

                typedef struct opj_pi_iterator {
                        LSCHAR                                                          tp_on;
                        LSINT16 *                                                       include;
                        LSINT32                                                         step_l;
                        LSINT32                                                         step_r;
                        LSINT32                                                         step_c;
                        LSINT32                                                         step_p;
                        LSINT32                                                         compno;
                        LSINT32                                                         resno;
                        LSINT32                                                         precno;
                        LSINT32                                                         layno;
                        LSINT32                                                         first;
                        CJpegCommonStructs::opj_poc_t           poc;
                        LSINT32                                                         numcomps;
                        opj_pi_comp_t *                                         comps;
                        LSINT32                                                         tx0, ty0, tx1, ty1;
                        LSINT32                                                         x, y, dx, dy;
                } opj_pi_iterator_t;


                // == Functions.
                static opj_pi_iterator_t * LSE_CALL             pi_initialise_encode( CJpegImage::opj_image_t * _pImage, CJ2k::opj_cp_t * _pcCp, LSINT32 _i32TileNo, CJ2k::J2K_T2_MODE _t2Mode );

                static LSBOOL LSE_CALL                                  pi_create_encode( opj_pi_iterator_t * _ppiPi, CJ2k::opj_cp_t * _pcCp, LSINT32 _i32TileNo, LSINT32 _i32PiNo, LSINT32 _i32TpNum, LSINT32 _i32TpPos, CJ2k::J2K_T2_MODE _t2Mode, LSINT32 _i32CurTotTp );

                static opj_pi_iterator_t * LSE_CALL             pi_create_decode( CJpegImage::opj_image_t * _piImage, CJ2k::opj_cp_t * _pcCp, LSINT32 _i32TileNo );

                static LSVOID LSE_CALL                                  pi_destroy( opj_pi_iterator_t * _ppiPi, CJ2k::opj_cp_t * _pcCp, LSINT32 _i32TileNo );

                static LSBOOL LSE_CALL                                  pi_next( opj_pi_iterator_t * _ppiPi );


        protected :
                // == Functions.
                static LSBOOL LSE_CALL                                  pi_next_lrcp( opj_pi_iterator_t * _ppiPi );

                static LSBOOL LSE_CALL                                  pi_next_rlcp( opj_pi_iterator_t * _ppiPi );

                static LSBOOL LSE_CALL                                  pi_next_rpcl( opj_pi_iterator_t * _ppiPi );

                static LSBOOL LSE_CALL                                  pi_next_pcrl( opj_pi_iterator_t * _ppiPi );

                static LSBOOL LSE_CALL                                  pi_next_cprl( opj_pi_iterator_t * _ppiPi );

        };

}       // namespace lsi

#endif  // __LSI_PI_H__