OpenJPEG  2.0.0
tgt.h
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1 /*
2  * Copyright (c) 2002-2007, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium
3  * Copyright (c) 2002-2007, Professor Benoit Macq
4  * Copyright (c) 2001-2003, David Janssens
5  * Copyright (c) 2002-2003, Yannick Verschueren
6  * Copyright (c) 2003-2007, Francois-Olivier Devaux and Antonin Descampe
7  * Copyright (c) 2005, Herve Drolon, FreeImage Team
8  * Copyright (c) 2008, Jerome Fimes, Communications & Systemes <jerome.fimes@c-s.fr>
9  * Copyright (c) 2011-2012, Centre National d'Etudes Spatiales (CNES), France
10  * Copyright (c) 2012, CS Systemes d'Information, France
11  * All rights reserved.
12  *
13  * Redistribution and use in source and binary forms, with or without
14  * modification, are permitted provided that the following conditions
15  * are met:
16  * 1. Redistributions of source code must retain the above copyright
17  * notice, this list of conditions and the following disclaimer.
18  * 2. Redistributions in binary form must reproduce the above copyright
19  * notice, this list of conditions and the following disclaimer in the
20  * documentation and/or other materials provided with the distribution.
21  *
22  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
23  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
26  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
27  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
28  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
29  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
30  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
31  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
32  * POSSIBILITY OF SUCH DAMAGE.
33  */
34 
35 #ifndef __TGT_H
36 #define __TGT_H
37 
47 
51 typedef struct opj_tgt_node {
52  struct opj_tgt_node *parent;
53  OPJ_INT32 value;
54  OPJ_INT32 low;
55  OPJ_UINT32 known;
56 } opj_tgt_node_t;
57 
61 typedef struct opj_tgt_tree
62 {
63  OPJ_UINT32 numleafsh;
64  OPJ_UINT32 numleafsv;
65  OPJ_UINT32 numnodes;
66  opj_tgt_node_t *nodes;
67  OPJ_UINT32 nodes_size; /* maximum size taken by nodes */
68 } opj_tgt_tree_t;
69 
70 
73 /* ----------------------------------------------------------------------- */
80 opj_tgt_tree_t *opj_tgt_create(OPJ_UINT32 numleafsh, OPJ_UINT32 numleafsv);
81 
90 opj_tgt_tree_t *opj_tgt_init(opj_tgt_tree_t * p_tree,
91  OPJ_UINT32 p_num_leafs_h,
92  OPJ_UINT32 p_num_leafs_v);
97 void opj_tgt_destroy(opj_tgt_tree_t *tree);
102 void opj_tgt_reset(opj_tgt_tree_t *tree);
109 void opj_tgt_setvalue(opj_tgt_tree_t *tree,
110  OPJ_UINT32 leafno,
111  OPJ_INT32 value);
119 void opj_tgt_encode(opj_bio_t *bio,
120  opj_tgt_tree_t *tree,
121  OPJ_UINT32 leafno,
122  OPJ_INT32 threshold);
131 OPJ_UINT32 opj_tgt_decode(opj_bio_t *bio,
132  opj_tgt_tree_t *tree,
133  OPJ_UINT32 leafno,
134  OPJ_INT32 threshold);
135 /* ----------------------------------------------------------------------- */
139 
140 #endif /* __TGT_H */
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