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-/*
- * Copyright (c) 2001-2003, David Janssens
- * Copyright (c) 2002-2003, Yannick Verschueren
- * Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe
- * Copyright (c) 2005, Herve Drolon, FreeImage Team
- * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
- * Copyright (c) 2006, Mónica Díez García, Image Processing Laboratory, University of Valladolid, Spain
- * 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
-/**
-@file pi.h
-@brief Implementation of a packet iterator (PI)
-
-The functions in PI.C have for goal to realize a packet iterator that permits to get the next
-packet following the progression order and change of it. The functions in PI.C are used
-by some function in T2.C.
-*/
-
-/** @defgroup PI PI - Implementation of a packet iterator */
-/*@{*/
-
-/**
-Packet iterator : resolution level information
-*/
-typedef struct opj_pi_resolution {
-/** Size of precints in horizontal axis */
- int pdx;
-/** Size of precints in vertical axis */
- int pdy;
-/** Size of precints in axial axis */
- int pdz;
-/** Number of precints in each axis */
- int prctno[3];
-} opj_pi_resolution_t;
-
-/**
-Packet iterator : component information
-*/
-typedef struct opj_pi_comp {
-/** Size in horizontal axis */
- int dx;
-/** Size in vertical axis */
- int dy;
-/** Size in axial axis */
- int dz;
-/** Number of resolution levels */
- int numresolution[3];
-/** Packet iterator : resolution level information */
- opj_pi_resolution_t *resolutions;
-} opj_pi_comp_t;
-
-/**
-Packet iterator
-*/
-typedef struct opj_pi_iterator {
-/** precise if the packet has been already used (usefull for progression order change) */
- short int *include;
-/** layer step used to localize the packet in the include vector */
- int step_l;
-/** resolution step used to localize the packet in the include vector */
- int step_r;
-/** component step used to localize the packet in the include vector */
- int step_c;
-/** precinct step used to localize the packet in the include vector */
- int step_p;
-/** component that identify the packet */
- int compno;
-/** resolution that identify the packet */
- int resno;
-/** precinct that identify the packet */
- int precno;
-/** layer that identify the packet */
- int layno;
-/** 0 if the first packet */
- int first;
-/** progression order change information */
- opj_poc_t poc;
-/** Packet iterator : component information */
-opj_pi_comp_t *comps;
-
- int numcomps;
- int tx0, ty0, tz0;
- int tx1, ty1, tz1;
- int x, y, z;
- int dx, dy, dz;
-} opj_pi_iterator_t;
-
-/** @name Funciones generales */
-/*@{*/
-/* ----------------------------------------------------------------------- */
-/**
-Create a packet iterator
-@param volume Raw volume for which the packets will be listed
-@param cp Coding parameters
-@param tileno Number that identifies the tile for which to list the packets
-@return Returns a packet iterator that points to the first packet of the tile
-@see pi_destroy
-*/
-opj_pi_iterator_t *pi_create(opj_volume_t * volume, opj_cp_t * cp, int tileno);
-
-/**
-Destroy a packet iterator
-@param pi Previously created packet iterator
-@param cp Coding parameters
-@param tileno Number that identifies the tile for which the packets were listed
-@see pi_create
-*/
-void pi_destroy(opj_pi_iterator_t *pi, opj_cp_t *cp, int tileno);
-
-/**
-Modify the packet iterator to point to the next packet
-@param pi Packet iterator to modify
-@return Returns false if pi pointed to the last packet or else returns true
-*/
-bool pi_next(opj_pi_iterator_t * pi);
-/* ----------------------------------------------------------------------- */
-/*@}*/
-
-/*@}*/
-
-#endif /* __PI_H */