2 * Copyright (c) 1999-2000 Image Power, Inc. and the University of
4 * Copyright (c) 2001-2002 Michael David Adams.
8 /* __START_OF_JASPER_LICENSE__
10 * JasPer License Version 2.0
12 * Copyright (c) 1999-2000 Image Power, Inc.
13 * Copyright (c) 1999-2000 The University of British Columbia
14 * Copyright (c) 2001-2003 Michael David Adams
16 * All rights reserved.
18 * Permission is hereby granted, free of charge, to any person (the
19 * "User") obtaining a copy of this software and associated documentation
20 * files (the "Software"), to deal in the Software without restriction,
21 * including without limitation the rights to use, copy, modify, merge,
22 * publish, distribute, and/or sell copies of the Software, and to permit
23 * persons to whom the Software is furnished to do so, subject to the
24 * following conditions:
26 * 1. The above copyright notices and this permission notice (which
27 * includes the disclaimer below) shall be included in all copies or
28 * substantial portions of the Software.
30 * 2. The name of a copyright holder shall not be used to endorse or
31 * promote products derived from the Software without specific prior
34 * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS
35 * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER
36 * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS
37 * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
38 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
39 * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO
40 * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL
41 * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING
42 * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
43 * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
44 * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE
45 * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE
46 * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY.
47 * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS
48 * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL
49 * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS
50 * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE
51 * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE
52 * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL
53 * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES,
54 * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL
55 * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH
56 * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH,
57 * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH
58 * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY
59 * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES.
61 * __END_OF_JASPER_LICENSE__
67 * $Id: jpc_tagtree.h,v 1.1 2005/05/22 18:33:06 malaterre Exp $
73 /******************************************************************************\
75 \******************************************************************************/
82 /******************************************************************************\
84 \******************************************************************************/
86 /* The maximum allowable depth for a tag tree. */
87 #define JPC_TAGTREE_MAXDEPTH 32
89 /******************************************************************************\
91 \******************************************************************************/
97 typedef struct jpc_tagtreenode_ {
99 /* The parent of this node. */
100 struct jpc_tagtreenode_ *parent_;
102 /* The value associated with this node. */
105 /* The lower bound on the value associated with this node. */
108 /* A flag indicating if the value is known exactly. */
119 /* The number of leaves in the horizontal direction. */
122 /* The number of leaves in the vertical direction. */
125 /* The total number of nodes in the tree. */
129 jpc_tagtreenode_t *nodes_;
133 /******************************************************************************\
135 \******************************************************************************/
137 /* Create a tag tree. */
138 jpc_tagtree_t *jpc_tagtree_create(int numleafsh, int numleafsv);
140 /* Destroy a tag tree. */
141 void jpc_tagtree_destroy(jpc_tagtree_t *tree);
143 /* Copy data from one tag tree to another. */
144 void jpc_tagtree_copy(jpc_tagtree_t *dsttree, jpc_tagtree_t *srctree);
146 /* Reset the tag tree state. */
147 void jpc_tagtree_reset(jpc_tagtree_t *tree);
149 /* Set the value associated with a particular leaf node of a tag tree. */
150 void jpc_tagtree_setvalue(jpc_tagtree_t *tree, jpc_tagtreenode_t *leaf,
153 /* Get a pointer to a particular leaf node. */
154 jpc_tagtreenode_t *jpc_tagtree_getleaf(jpc_tagtree_t *tree, int n);
156 /* Invoke the tag tree decoding procedure. */
157 int jpc_tagtree_decode(jpc_tagtree_t *tree, jpc_tagtreenode_t *leaf,
158 int threshold, jpc_bitstream_t *in);
160 /* Invoke the tag tree encoding procedure. */
161 int jpc_tagtree_encode(jpc_tagtree_t *tree, jpc_tagtreenode_t *leaf,
162 int threshold, jpc_bitstream_t *out);
164 /* Dump a tag tree (for debugging purposes). */
165 void jpc_tagtree_dump(jpc_tagtree_t *tree, FILE *out);