/* * 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 Software License * * IMAGE POWER JPEG-2000 PUBLIC LICENSE * ************************************ * * GRANT: * * Permission is hereby granted, free of charge, to any person (the "User") * obtaining a copy of this software and associated documentation, to deal * in the JasPer Software without restriction, including without limitation * the right to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the JasPer Software (in source and binary forms), * and to permit persons to whom the JasPer Software is furnished to do so, * provided further that the License Conditions below are met. * * License Conditions * ****************** * * A. Redistributions of source code must retain the above copyright notice, * and this list of conditions, and the following disclaimer. * * B. Redistributions in binary form must reproduce the above copyright * notice, and this list of conditions, and the following disclaimer in * the documentation and/or other materials provided with the distribution. * * C. Neither the name of Image Power, Inc. nor any other contributor * (including, but not limited to, the University of British Columbia and * Michael David Adams) may be used to endorse or promote products derived * from this software without specific prior written permission. * * D. User agrees that it shall not commence any action against Image Power, * Inc., the University of British Columbia, Michael David Adams, or any * other contributors (collectively "Licensors") for infringement of any * intellectual property rights ("IPR") held by the User in respect of any * technology that User owns or has a right to license or sublicense and * which is an element required in order to claim compliance with ISO/IEC * 15444-1 (i.e., JPEG-2000 Part 1). "IPR" means all intellectual property * rights worldwide arising under statutory or common law, and whether * or not perfected, including, without limitation, all (i) patents and * patent applications owned or licensable by User; (ii) rights associated * with works of authorship including copyrights, copyright applications, * copyright registrations, mask work rights, mask work applications, * mask work registrations; (iii) rights relating to the protection of * trade secrets and confidential information; (iv) any right analogous * to those set forth in subsections (i), (ii), or (iii) and any other * proprietary rights relating to intangible property (other than trademark, * trade dress, or service mark rights); and (v) divisions, continuations, * renewals, reissues and extensions of the foregoing (as and to the extent * applicable) now existing, hereafter filed, issued or acquired. * * E. If User commences an infringement action against any Licensor(s) then * such Licensor(s) shall have the right to terminate User's license and * all sublicenses that have been granted hereunder by User to other parties. * * F. This software is for use only in hardware or software products that * are compliant with ISO/IEC 15444-1 (i.e., JPEG-2000 Part 1). No license * or right to this Software is granted for products that do not comply * with ISO/IEC 15444-1. The JPEG-2000 Part 1 standard can be purchased * from the ISO. * * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS LICENSE. * NO USE OF THE JASPER SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER * THIS DISCLAIMER. THE JASPER SOFTWARE IS PROVIDED BY THE LICENSORS AND * CONTRIBUTORS UNDER THIS LICENSE ON AN ``AS-IS'' BASIS, WITHOUT WARRANTY * OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, WITHOUT LIMITATION, * WARRANTIES THAT THE JASPER SOFTWARE IS FREE OF DEFECTS, IS MERCHANTABLE, * IS FIT FOR A PARTICULAR PURPOSE OR IS NON-INFRINGING. THOSE INTENDING * TO USE THE JASPER SOFTWARE OR MODIFICATIONS THEREOF FOR USE IN HARDWARE * OR SOFTWARE PRODUCTS ARE ADVISED THAT THEIR USE MAY INFRINGE EXISTING * PATENTS, COPYRIGHTS, TRADEMARKS, OR OTHER INTELLECTUAL PROPERTY RIGHTS. * THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE JASPER SOFTWARE * IS WITH THE USER. SHOULD ANY PART OF THE JASPER SOFTWARE PROVE DEFECTIVE * IN ANY RESPECT, THE USER (AND NOT THE INITIAL DEVELOPERS, THE UNIVERSITY * OF BRITISH COLUMBIA, IMAGE POWER, INC., MICHAEL DAVID ADAMS, OR ANY * OTHER CONTRIBUTOR) SHALL ASSUME THE COST OF ANY NECESSARY SERVICING, * REPAIR OR CORRECTION. UNDER NO CIRCUMSTANCES AND UNDER NO LEGAL THEORY, * WHETHER TORT (INCLUDING NEGLIGENCE), CONTRACT, OR OTHERWISE, SHALL THE * INITIAL DEVELOPER, THE UNIVERSITY OF BRITISH COLUMBIA, IMAGE POWER, INC., * MICHAEL DAVID ADAMS, ANY OTHER CONTRIBUTOR, OR ANY DISTRIBUTOR OF THE * JASPER SOFTWARE, OR ANY SUPPLIER OF ANY OF SUCH PARTIES, BE LIABLE TO * THE USER OR ANY OTHER PERSON FOR ANY INDIRECT, SPECIAL, INCIDENTAL, OR * CONSEQUENTIAL DAMAGES OF ANY CHARACTER INCLUDING, WITHOUT LIMITATION, * DAMAGES FOR LOSS OF GOODWILL, WORK STOPPAGE, COMPUTER FAILURE OR * MALFUNCTION, OR ANY AND ALL OTHER COMMERCIAL DAMAGES OR LOSSES, EVEN IF * SUCH PARTY HAD BEEN INFORMED, OR OUGHT TO HAVE KNOWN, OF THE POSSIBILITY * OF SUCH DAMAGES. THE JASPER SOFTWARE AND UNDERLYING TECHNOLOGY ARE NOT * FAULT-TOLERANT AND ARE NOT DESIGNED, MANUFACTURED OR INTENDED FOR USE OR * RESALE AS ON-LINE CONTROL EQUIPMENT IN HAZARDOUS ENVIRONMENTS REQUIRING * FAIL-SAFE PERFORMANCE, SUCH AS IN THE OPERATION OF NUCLEAR FACILITIES, * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL, DIRECT * LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH THE FAILURE OF THE * JASPER SOFTWARE OR UNDERLYING TECHNOLOGY OR PRODUCT COULD LEAD DIRECTLY * TO DEATH, PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE * ("HIGH RISK ACTIVITIES"). LICENSOR SPECIFICALLY DISCLAIMS ANY EXPRESS * OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. USER WILL NOT * KNOWINGLY USE, DISTRIBUTE OR RESELL THE JASPER SOFTWARE OR UNDERLYING * TECHNOLOGY OR PRODUCTS FOR HIGH RISK ACTIVITIES AND WILL ENSURE THAT ITS * CUSTOMERS AND END-USERS OF ITS PRODUCTS ARE PROVIDED WITH A COPY OF THE * NOTICE SPECIFIED IN THIS SECTION. * * __END_OF_JASPER_LICENSE__ */ /* * Tier-2 Coding Library * * $Id$ */ #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 accommodated 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 absence 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