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| 244 | chris | 1 | /* |
| 2 | * Copyright (c) 1999-2000 Image Power, Inc. and the University of |
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| 3 | * British Columbia. |
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| 4 | * Copyright (c) 2001-2002 Michael David Adams. |
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| 5 | * All rights reserved. |
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| 6 | */ |
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| 7 | |||
| 8 | /* __START_OF_JASPER_LICENSE__ |
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| 9 | * |
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| 10 | * JasPer Software License |
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| 11 | * |
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| 12 | * IMAGE POWER JPEG-2000 PUBLIC LICENSE |
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| 13 | * ************************************ |
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| 14 | * |
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| 15 | * GRANT: |
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| 16 | * |
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| 17 | * Permission is hereby granted, free of charge, to any person (the "User") |
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| 18 | * obtaining a copy of this software and associated documentation, to deal |
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| 19 | * in the JasPer Software without restriction, including without limitation |
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| 20 | * the right to use, copy, modify, merge, publish, distribute, sublicense, |
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| 21 | * and/or sell copies of the JasPer Software (in source and binary forms), |
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| 22 | * and to permit persons to whom the JasPer Software is furnished to do so, |
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| 23 | * provided further that the License Conditions below are met. |
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| 24 | * |
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| 25 | * License Conditions |
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| 26 | * ****************** |
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| 27 | * |
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| 28 | * A. Redistributions of source code must retain the above copyright notice, |
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| 29 | * and this list of conditions, and the following disclaimer. |
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| 30 | * |
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| 31 | * B. Redistributions in binary form must reproduce the above copyright |
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| 32 | * notice, and this list of conditions, and the following disclaimer in |
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| 33 | * the documentation and/or other materials provided with the distribution. |
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| 34 | * |
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| 35 | * C. Neither the name of Image Power, Inc. nor any other contributor |
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| 36 | * (including, but not limited to, the University of British Columbia and |
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| 37 | * Michael David Adams) may be used to endorse or promote products derived |
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| 38 | * from this software without specific prior written permission. |
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| 39 | * |
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| 40 | * D. User agrees that it shall not commence any action against Image Power, |
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| 41 | * Inc., the University of British Columbia, Michael David Adams, or any |
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| 42 | * other contributors (collectively "Licensors") for infringement of any |
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| 43 | * intellectual property rights ("IPR") held by the User in respect of any |
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| 44 | * technology that User owns or has a right to license or sublicense and |
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| 45 | * which is an element required in order to claim compliance with ISO/IEC |
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| 46 | * 15444-1 (i.e., JPEG-2000 Part 1). "IPR" means all intellectual property |
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| 47 | * rights worldwide arising under statutory or common law, and whether |
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| 48 | * or not perfected, including, without limitation, all (i) patents and |
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| 49 | * patent applications owned or licensable by User; (ii) rights associated |
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| 50 | * with works of authorship including copyrights, copyright applications, |
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| 51 | * copyright registrations, mask work rights, mask work applications, |
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| 52 | * mask work registrations; (iii) rights relating to the protection of |
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| 53 | * trade secrets and confidential information; (iv) any right analogous |
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| 54 | * to those set forth in subsections (i), (ii), or (iii) and any other |
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| 55 | * proprietary rights relating to intangible property (other than trademark, |
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| 56 | * trade dress, or service mark rights); and (v) divisions, continuations, |
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| 57 | * renewals, reissues and extensions of the foregoing (as and to the extent |
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| 58 | * applicable) now existing, hereafter filed, issued or acquired. |
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| 59 | * |
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| 60 | * E. If User commences an infringement action against any Licensor(s) then |
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| 61 | * such Licensor(s) shall have the right to terminate User's license and |
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| 62 | * all sublicenses that have been granted hereunder by User to other parties. |
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| 63 | * |
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| 64 | * F. This software is for use only in hardware or software products that |
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| 65 | * are compliant with ISO/IEC 15444-1 (i.e., JPEG-2000 Part 1). No license |
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| 66 | * or right to this Software is granted for products that do not comply |
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| 67 | * with ISO/IEC 15444-1. The JPEG-2000 Part 1 standard can be purchased |
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| 68 | * from the ISO. |
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| 69 | * |
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| 70 | * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS LICENSE. |
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| 71 | * NO USE OF THE JASPER SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER |
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| 72 | * THIS DISCLAIMER. THE JASPER SOFTWARE IS PROVIDED BY THE LICENSORS AND |
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| 73 | * CONTRIBUTORS UNDER THIS LICENSE ON AN ``AS-IS'' BASIS, WITHOUT WARRANTY |
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| 74 | * OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, WITHOUT LIMITATION, |
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| 75 | * WARRANTIES THAT THE JASPER SOFTWARE IS FREE OF DEFECTS, IS MERCHANTABLE, |
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| 76 | * IS FIT FOR A PARTICULAR PURPOSE OR IS NON-INFRINGING. THOSE INTENDING |
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| 77 | * TO USE THE JASPER SOFTWARE OR MODIFICATIONS THEREOF FOR USE IN HARDWARE |
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| 78 | * OR SOFTWARE PRODUCTS ARE ADVISED THAT THEIR USE MAY INFRINGE EXISTING |
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| 79 | * PATENTS, COPYRIGHTS, TRADEMARKS, OR OTHER INTELLECTUAL PROPERTY RIGHTS. |
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| 80 | * THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE JASPER SOFTWARE |
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| 81 | * IS WITH THE USER. SHOULD ANY PART OF THE JASPER SOFTWARE PROVE DEFECTIVE |
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| 82 | * IN ANY RESPECT, THE USER (AND NOT THE INITIAL DEVELOPERS, THE UNIVERSITY |
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| 83 | * OF BRITISH COLUMBIA, IMAGE POWER, INC., MICHAEL DAVID ADAMS, OR ANY |
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| 84 | * OTHER CONTRIBUTOR) SHALL ASSUME THE COST OF ANY NECESSARY SERVICING, |
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| 85 | * REPAIR OR CORRECTION. UNDER NO CIRCUMSTANCES AND UNDER NO LEGAL THEORY, |
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| 86 | * WHETHER TORT (INCLUDING NEGLIGENCE), CONTRACT, OR OTHERWISE, SHALL THE |
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| 87 | * INITIAL DEVELOPER, THE UNIVERSITY OF BRITISH COLUMBIA, IMAGE POWER, INC., |
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| 88 | * MICHAEL DAVID ADAMS, ANY OTHER CONTRIBUTOR, OR ANY DISTRIBUTOR OF THE |
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| 89 | * JASPER SOFTWARE, OR ANY SUPPLIER OF ANY OF SUCH PARTIES, BE LIABLE TO |
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| 90 | * THE USER OR ANY OTHER PERSON FOR ANY INDIRECT, SPECIAL, INCIDENTAL, OR |
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| 91 | * CONSEQUENTIAL DAMAGES OF ANY CHARACTER INCLUDING, WITHOUT LIMITATION, |
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| 92 | * DAMAGES FOR LOSS OF GOODWILL, WORK STOPPAGE, COMPUTER FAILURE OR |
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| 93 | * MALFUNCTION, OR ANY AND ALL OTHER COMMERCIAL DAMAGES OR LOSSES, EVEN IF |
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| 94 | * SUCH PARTY HAD BEEN INFORMED, OR OUGHT TO HAVE KNOWN, OF THE POSSIBILITY |
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| 95 | * OF SUCH DAMAGES. THE JASPER SOFTWARE AND UNDERLYING TECHNOLOGY ARE NOT |
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| 96 | * FAULT-TOLERANT AND ARE NOT DESIGNED, MANUFACTURED OR INTENDED FOR USE OR |
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| 97 | * RESALE AS ON-LINE CONTROL EQUIPMENT IN HAZARDOUS ENVIRONMENTS REQUIRING |
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| 98 | * FAIL-SAFE PERFORMANCE, SUCH AS IN THE OPERATION OF NUCLEAR FACILITIES, |
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| 99 | * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL, DIRECT |
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| 100 | * LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH THE FAILURE OF THE |
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| 101 | * JASPER SOFTWARE OR UNDERLYING TECHNOLOGY OR PRODUCT COULD LEAD DIRECTLY |
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| 102 | * TO DEATH, PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE |
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| 103 | * ("HIGH RISK ACTIVITIES"). LICENSOR SPECIFICALLY DISCLAIMS ANY EXPRESS |
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| 104 | * OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. USER WILL NOT |
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| 105 | * KNOWINGLY USE, DISTRIBUTE OR RESELL THE JASPER SOFTWARE OR UNDERLYING |
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| 106 | * TECHNOLOGY OR PRODUCTS FOR HIGH RISK ACTIVITIES AND WILL ENSURE THAT ITS |
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| 107 | * CUSTOMERS AND END-USERS OF ITS PRODUCTS ARE PROVIDED WITH A COPY OF THE |
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| 108 | * NOTICE SPECIFIED IN THIS SECTION. |
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| 109 | * |
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| 110 | * __END_OF_JASPER_LICENSE__ |
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| 111 | */ |
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| 112 | |||
| 113 | /* |
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| 114 | * Tag Tree Library |
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| 115 | * |
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| 116 | * $Id: jpc_tagtree.h,v 1.1 2003/05/15 01:30:32 ace Exp $ |
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| 117 | */ |
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| 118 | |||
| 119 | #ifndef JPC_TAGTREE_H |
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| 120 | #define JPC_TAGTREE_H |
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| 121 | |||
| 122 | /******************************************************************************\ |
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| 123 | * Includes |
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| 124 | \******************************************************************************/ |
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| 125 | |||
| 126 | #include <limits.h> |
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| 127 | #include <stdio.h> |
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| 128 | |||
| 129 | #include "jpc_bs.h" |
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| 130 | |||
| 131 | /******************************************************************************\ |
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| 132 | * Constants |
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| 133 | \******************************************************************************/ |
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| 134 | |||
| 135 | /* The maximum allowable depth for a tag tree. */ |
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| 136 | #define JPC_TAGTREE_MAXDEPTH 32 |
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| 137 | |||
| 138 | /******************************************************************************\ |
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| 139 | * Types |
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| 140 | \******************************************************************************/ |
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| 141 | |||
| 142 | /* |
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| 143 | * Tag tree node. |
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| 144 | */ |
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| 145 | |||
| 146 | typedef struct jpc_tagtreenode_ { |
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| 147 | |||
| 148 | /* The parent of this node. */ |
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| 149 | struct jpc_tagtreenode_ *parent_; |
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| 150 | |||
| 151 | /* The value associated with this node. */ |
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| 152 | int value_; |
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| 153 | |||
| 154 | /* The lower bound on the value associated with this node. */ |
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| 155 | int low_; |
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| 156 | |||
| 157 | /* A flag indicating if the value is known exactly. */ |
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| 158 | int known_; |
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| 159 | |||
| 160 | } jpc_tagtreenode_t; |
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| 161 | |||
| 162 | /* |
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| 163 | * Tag tree. |
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| 164 | */ |
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| 165 | |||
| 166 | typedef struct { |
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| 167 | |||
| 168 | /* The number of leaves in the horizontal direction. */ |
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| 169 | int numleafsh_; |
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| 170 | |||
| 171 | /* The number of leaves in the vertical direction. */ |
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| 172 | int numleafsv_; |
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| 173 | |||
| 174 | /* The total number of nodes in the tree. */ |
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| 175 | int numnodes_; |
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| 176 | |||
| 177 | /* The nodes. */ |
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| 178 | jpc_tagtreenode_t *nodes_; |
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| 179 | |||
| 180 | } jpc_tagtree_t; |
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| 181 | |||
| 182 | /******************************************************************************\ |
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| 183 | * Functions. |
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| 184 | \******************************************************************************/ |
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| 185 | |||
| 186 | /* Create a tag tree. */ |
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| 187 | jpc_tagtree_t *jpc_tagtree_create(int numleafsh, int numleafsv); |
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| 188 | |||
| 189 | /* Destroy a tag tree. */ |
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| 190 | void jpc_tagtree_destroy(jpc_tagtree_t *tree); |
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| 191 | |||
| 192 | /* Copy data from one tag tree to another. */ |
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| 193 | void jpc_tagtree_copy(jpc_tagtree_t *dsttree, jpc_tagtree_t *srctree); |
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| 194 | |||
| 195 | /* Reset the tag tree state. */ |
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| 196 | void jpc_tagtree_reset(jpc_tagtree_t *tree); |
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| 197 | |||
| 198 | /* Set the value associated with a particular leaf node of a tag tree. */ |
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| 199 | void jpc_tagtree_setvalue(jpc_tagtree_t *tree, jpc_tagtreenode_t *leaf, |
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| 200 | int value); |
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| 201 | |||
| 202 | /* Get a pointer to a particular leaf node. */ |
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| 203 | jpc_tagtreenode_t *jpc_tagtree_getleaf(jpc_tagtree_t *tree, int n); |
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| 204 | |||
| 205 | /* Invoke the tag tree decoding procedure. */ |
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| 206 | int jpc_tagtree_decode(jpc_tagtree_t *tree, jpc_tagtreenode_t *leaf, |
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| 207 | int threshold, jpc_bitstream_t *in); |
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| 208 | |||
| 209 | /* Invoke the tag tree encoding procedure. */ |
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| 210 | int jpc_tagtree_encode(jpc_tagtree_t *tree, jpc_tagtreenode_t *leaf, |
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| 211 | int threshold, jpc_bitstream_t *out); |
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| 212 | |||
| 213 | /* Dump a tag tree (for debugging purposes). */ |
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| 214 | void jpc_tagtree_dump(jpc_tagtree_t *tree, FILE *out); |
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| 215 | |||
| 216 | #endif |