| /* |
| * 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__ |
| */ |
| |
| /* |
| * Tag Tree Library |
| * |
| * $Id$ |
| */ |
| |
| #ifndef JPC_TAGTREE_H |
| #define JPC_TAGTREE_H |
| |
| /******************************************************************************\ |
| * Includes |
| \******************************************************************************/ |
| |
| #include <limits.h> |
| #include <stdio.h> |
| |
| #include "jpc_bs.h" |
| |
| /******************************************************************************\ |
| * Constants |
| \******************************************************************************/ |
| |
| /* The maximum allowable depth for a tag tree. */ |
| #define JPC_TAGTREE_MAXDEPTH 32 |
| |
| /******************************************************************************\ |
| * Types |
| \******************************************************************************/ |
| |
| /* |
| * Tag tree node. |
| */ |
| |
| typedef struct jpc_tagtreenode_ { |
| |
| /* The parent of this node. */ |
| struct jpc_tagtreenode_ *parent_; |
| |
| /* The value associated with this node. */ |
| int value_; |
| |
| /* The lower bound on the value associated with this node. */ |
| int low_; |
| |
| /* A flag indicating if the value is known exactly. */ |
| int known_; |
| |
| } jpc_tagtreenode_t; |
| |
| /* |
| * Tag tree. |
| */ |
| |
| typedef struct { |
| |
| /* The number of leaves in the horizontal direction. */ |
| int numleafsh_; |
| |
| /* The number of leaves in the vertical direction. */ |
| int numleafsv_; |
| |
| /* The total number of nodes in the tree. */ |
| int numnodes_; |
| |
| /* The nodes. */ |
| jpc_tagtreenode_t *nodes_; |
| |
| } jpc_tagtree_t; |
| |
| /******************************************************************************\ |
| * Functions. |
| \******************************************************************************/ |
| |
| /* Create a tag tree. */ |
| jpc_tagtree_t *jpc_tagtree_create(int numleafsh, int numleafsv); |
| |
| /* Destroy a tag tree. */ |
| void jpc_tagtree_destroy(jpc_tagtree_t *tree); |
| |
| /* Copy data from one tag tree to another. */ |
| void jpc_tagtree_copy(jpc_tagtree_t *dsttree, jpc_tagtree_t *srctree); |
| |
| /* Reset the tag tree state. */ |
| void jpc_tagtree_reset(jpc_tagtree_t *tree); |
| |
| /* Set the value associated with a particular leaf node of a tag tree. */ |
| void jpc_tagtree_setvalue(jpc_tagtree_t *tree, jpc_tagtreenode_t *leaf, |
| int value); |
| |
| /* Get a pointer to a particular leaf node. */ |
| jpc_tagtreenode_t *jpc_tagtree_getleaf(jpc_tagtree_t *tree, int n); |
| |
| /* Invoke the tag tree decoding procedure. */ |
| int jpc_tagtree_decode(jpc_tagtree_t *tree, jpc_tagtreenode_t *leaf, |
| int threshold, jpc_bitstream_t *in); |
| |
| /* Invoke the tag tree encoding procedure. */ |
| int jpc_tagtree_encode(jpc_tagtree_t *tree, jpc_tagtreenode_t *leaf, |
| int threshold, jpc_bitstream_t *out); |
| |
| /* Dump a tag tree (for debugging purposes). */ |
| void jpc_tagtree_dump(jpc_tagtree_t *tree, FILE *out); |
| |
| #endif |
