pi.h

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/*
 * 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 __PI_H
#define __PI_H


typedef struct opj_pi_resolution {
  OPJ_UINT32 pdx, pdy;
  OPJ_UINT32 pw, ph;
} opj_pi_resolution_t;

typedef struct opj_pi_comp {
  OPJ_UINT32 dx, dy;
  OPJ_UINT32 numresolutions;
  opj_pi_resolution_t *resolutions;
} opj_pi_comp_t;

typedef struct opj_pi_iterator {
  OPJ_BYTE tp_on;
  OPJ_INT16 *include;
  OPJ_UINT32 step_l;
  OPJ_UINT32 step_r;
  OPJ_UINT32 step_c;
  OPJ_UINT32 step_p;
  OPJ_UINT32 compno;
  OPJ_UINT32 resno;
  OPJ_UINT32 precno;
  OPJ_UINT32 layno;
  OPJ_BOOL first;
  opj_poc_t poc;
  OPJ_UINT32 numcomps;
  opj_pi_comp_t *comps;
  OPJ_INT32 tx0, ty0, tx1, ty1;
  OPJ_INT32 x, y;
  OPJ_UINT32 dx, dy;
} opj_pi_iterator_t;

/* ----------------------------------------------------------------------- */
opj_pi_iterator_t *opj_pi_initialise_encode(const opj_image_t *image,
                                            opj_cp_t *cp,
                                            OPJ_UINT32 tileno,
                                            J2K_T2_MODE t2_mode);

void opj_pi_update_encoding_parameters( const opj_image_t *p_image,
                                        opj_cp_t *p_cp,
                                        OPJ_UINT32 p_tile_no );

void opj_pi_create_encode(  opj_pi_iterator_t *pi, 
                            opj_cp_t *cp,
                            OPJ_UINT32 tileno, 
                            OPJ_UINT32 pino,
                            OPJ_UINT32 tpnum, 
                            OPJ_INT32 tppos, 
                            J2K_T2_MODE t2_mode);

opj_pi_iterator_t *opj_pi_create_decode(opj_image_t * image, 
                                        opj_cp_t * cp,
                                        OPJ_UINT32 tileno);
void opj_pi_destroy(opj_pi_iterator_t *p_pi,
                    OPJ_UINT32 p_nb_elements);

OPJ_BOOL opj_pi_next(opj_pi_iterator_t * pi);
/* ----------------------------------------------------------------------- */

#endif /* __PI_H */