/* * Copyright (c) 1999-2000 Image Power, Inc. and the University of * British Columbia. * Copyright (c) 2001-2002 Michael David Adams. * All rights reserved. */ /* __START_OF_JASPER_LICENSE__ * * JasPer License Version 2.0 * * Copyright (c) 1999-2000 Image Power, Inc. * Copyright (c) 1999-2000 The University of British Columbia * Copyright (c) 2001-2003 Michael David Adams * * All rights reserved. * * Permission is hereby granted, free of charge, to any person (the * "User") obtaining a copy of this software and associated documentation * files (the "Software"), to deal in the Software without restriction, * including without limitation the rights to use, copy, modify, merge, * publish, distribute, and/or sell copies of the Software, and to permit * persons to whom the Software is furnished to do so, subject to the * following conditions: * * 1. The above copyright notices and this permission notice (which * includes the disclaimer below) shall be included in all copies or * substantial portions of the Software. * * 2. The name of a copyright holder shall not be used to endorse or * promote products derived from the Software without specific prior * written permission. * * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. * * __END_OF_JASPER_LICENSE__ */ /* * Tier-2 Coding Library * * $Id: jpc_t2cod.h,v 1.1 2005/05/22 18:33:05 malaterre Exp $ */ #ifndef JPC_T2COD_H #define JPC_T2COD_H /******************************************************************************\ * Includes. \******************************************************************************/ #include "jpc_cs.h" /******************************************************************************\ * Types. \******************************************************************************/ /* Progression change list. */ typedef struct { /* The number of progression changes. */ int numpchgs; /* The maximum number of progression changes that can be accomodated without growing the progression change array. */ int maxpchgs; /* The progression changes. */ jpc_pchg_t **pchgs; } jpc_pchglist_t; /* Packet iterator per-resolution-level information. */ typedef struct { /* The number of precincts. */ int numprcs; /* The last layer processed for each precinct. */ int *prclyrnos; /* The precinct width exponent. */ int prcwidthexpn; /* The precinct height exponent. */ int prcheightexpn; /* The number of precincts spanning the resolution level in the horizontal direction. */ int numhprcs; } jpc_pirlvl_t; /* Packet iterator per-component information. */ typedef struct { /* The number of resolution levels. */ int numrlvls; /* The per-resolution-level information. */ jpc_pirlvl_t *pirlvls; /* The horizontal sampling period. */ int hsamp; /* The vertical sampling period. */ int vsamp; } jpc_picomp_t; /* Packet iterator class. */ typedef struct { /* The number of layers. */ int numlyrs; /* The number of resolution levels. */ int maxrlvls; /* The number of components. */ int numcomps; /* The per-component information. */ jpc_picomp_t *picomps; /* The current component. */ jpc_picomp_t *picomp; /* The current resolution level. */ jpc_pirlvl_t *pirlvl; /* The number of the current component. */ int compno; /* The number of the current resolution level. */ int rlvlno; /* The number of the current precinct. */ int prcno; /* The number of the current layer. */ int lyrno; /* The x-coordinate of the current position. */ int x; /* The y-coordinate of the current position. */ int y; /* The horizontal step size. */ int xstep; /* The vertical step size. */ int ystep; /* The x-coordinate of the top-left corner of the tile on the reference grid. */ int xstart; /* The y-coordinate of the top-left corner of the tile on the reference grid. */ int ystart; /* The x-coordinate of the bottom-right corner of the tile on the reference grid (plus one). */ int xend; /* The y-coordinate of the bottom-right corner of the tile on the reference grid (plus one). */ int yend; /* The current progression change. */ jpc_pchg_t *pchg; /* The progression change list. */ jpc_pchglist_t *pchglist; /* The progression to use in the absense of explicit specification. */ jpc_pchg_t defaultpchg; /* The current progression change number. */ int pchgno; /* Is this the first time in the current progression volume? */ bool prgvolfirst; /* Is the current iterator value valid? */ bool valid; /* The current packet number. */ int pktno; } jpc_pi_t; /******************************************************************************\ * Functions/macros for packet iterators. \******************************************************************************/ /* Create a packet iterator. */ jpc_pi_t *jpc_pi_create0(void); /* Destroy a packet iterator. */ void jpc_pi_destroy(jpc_pi_t *pi); /* Add a progression change to a packet iterator. */ int jpc_pi_addpchg(jpc_pi_t *pi, jpc_pocpchg_t *pchg); /* Prepare a packet iterator for iteration. */ int jpc_pi_init(jpc_pi_t *pi); /* Set the iterator to the first packet. */ int jpc_pi_begin(jpc_pi_t *pi); /* Proceed to the next packet in sequence. */ int jpc_pi_next(jpc_pi_t *pi); /* Get the index of the current packet. */ #define jpc_pi_getind(pi) ((pi)->pktno) /* Get the component number of the current packet. */ #define jpc_pi_cmptno(pi) (assert(pi->valid), (pi)->compno) /* Get the resolution level of the current packet. */ #define jpc_pi_rlvlno(pi) (assert(pi->valid), (pi)->rlvlno) /* Get the layer number of the current packet. */ #define jpc_pi_lyrno(pi) (assert(pi->valid), (pi)->lyrno) /* Get the precinct number of the current packet. */ #define jpc_pi_prcno(pi) (assert(pi->valid), (pi)->prcno) /* Get the progression order for the current packet. */ #define jpc_pi_prg(pi) (assert(pi->valid), (pi)->pchg->prgord) /******************************************************************************\ * Functions/macros for progression change lists. \******************************************************************************/ /* Create a progression change list. */ jpc_pchglist_t *jpc_pchglist_create(void); /* Destroy a progression change list. */ void jpc_pchglist_destroy(jpc_pchglist_t *pchglist); /* Insert a new element into a progression change list. */ int jpc_pchglist_insert(jpc_pchglist_t *pchglist, int pchgno, jpc_pchg_t *pchg); /* Remove an element from a progression change list. */ jpc_pchg_t *jpc_pchglist_remove(jpc_pchglist_t *pchglist, int pchgno); /* Get an element from a progression change list. */ jpc_pchg_t *jpc_pchglist_get(jpc_pchglist_t *pchglist, int pchgno); /* Copy a progression change list. */ jpc_pchglist_t *jpc_pchglist_copy(jpc_pchglist_t *pchglist); /* Get the number of elements in a progression change list. */ int jpc_pchglist_numpchgs(jpc_pchglist_t *pchglist); /******************************************************************************\ * Functions/macros for progression changes. \******************************************************************************/ /* Destroy a progression change. */ void jpc_pchg_destroy(jpc_pchg_t *pchg); /* Copy a progression change. */ jpc_pchg_t *jpc_pchg_copy(jpc_pchg_t *pchg); #endif