OpenJPEG  2.2.0
tgt.h
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1 /*
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7  * Copyright (c) 2002-2014, Universite catholique de Louvain (UCL), Belgium
8  * Copyright (c) 2002-2014, Professor Benoit Macq
9  * Copyright (c) 2001-2003, David Janssens
10  * Copyright (c) 2002-2003, Yannick Verschueren
11  * Copyright (c) 2003-2007, Francois-Olivier Devaux
12  * Copyright (c) 2003-2014, Antonin Descampe
13  * Copyright (c) 2005, Herve Drolon, FreeImage Team
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40 
41 #ifndef OPJ_TGT_H
42 #define OPJ_TGT_H
43 
53 
57 typedef struct opj_tgt_node {
63 
67 typedef struct opj_tgt_tree {
72  OPJ_UINT32 nodes_size; /* maximum size taken by nodes */
74 
75 
78 /* ----------------------------------------------------------------------- */
87  opj_event_mgr_t *p_manager);
88 
99  OPJ_UINT32 p_num_leafs_h,
100  OPJ_UINT32 p_num_leafs_v, opj_event_mgr_t *p_manager);
105 void opj_tgt_destroy(opj_tgt_tree_t *tree);
110 void opj_tgt_reset(opj_tgt_tree_t *tree);
118  OPJ_UINT32 leafno,
119  OPJ_INT32 value);
127 void opj_tgt_encode(opj_bio_t *bio,
128  opj_tgt_tree_t *tree,
129  OPJ_UINT32 leafno,
130  OPJ_INT32 threshold);
140  opj_tgt_tree_t *tree,
141  OPJ_UINT32 leafno,
142  OPJ_INT32 threshold);
143 /* ----------------------------------------------------------------------- */
147 
148 #endif /* OPJ_TGT_H */
OPJ_UINT32 opj_tgt_decode(opj_bio_t *bio, opj_tgt_tree_t *tree, OPJ_UINT32 leafno, OPJ_INT32 threshold)
Decode the value of a leaf of the tag-tree up to a given threshold.
Definition: tgt.c:307
Message handler object used for.
Definition: event.h:50
Tag node.
Definition: tgt.h:57
void opj_tgt_reset(opj_tgt_tree_t *tree)
Reset a tag-tree (set all leaves to 0)
Definition: tgt.c:236
void opj_tgt_destroy(opj_tgt_tree_t *tree)
Destroy a tag-tree, liberating memory.
Definition: tgt.c:223
int32_t OPJ_INT32
Definition: openjpeg.h:125
OPJ_INT32 low
Definition: tgt.h:60
struct opj_tgt_node opj_tgt_node_t
Tag node.
struct opj_tgt_tree opj_tgt_tree_t
Tag tree.
OPJ_UINT32 known
Definition: tgt.h:61
Individual bit input-output stream (BIO)
Definition: bio.h:56
opj_tgt_node_t * nodes
Definition: tgt.h:71
OPJ_UINT32 numleafsh
Definition: tgt.h:68
struct opj_tgt_node * parent
Definition: tgt.h:58
OPJ_UINT32 numleafsv
Definition: tgt.h:69
OPJ_UINT32 nodes_size
Definition: tgt.h:72
OPJ_INT32 value
Definition: tgt.h:59
void opj_tgt_setvalue(opj_tgt_tree_t *tree, OPJ_UINT32 leafno, OPJ_INT32 value)
Set the value of a leaf of a tag-tree.
Definition: tgt.c:254
opj_tgt_tree_t * opj_tgt_init(opj_tgt_tree_t *p_tree, OPJ_UINT32 p_num_leafs_h, OPJ_UINT32 p_num_leafs_v, opj_event_mgr_t *p_manager)
Reinitialises a tag-tree from an exixting one.
Definition: tgt.c:136
OPJ_UINT32 numnodes
Definition: tgt.h:70
uint32_t OPJ_UINT32
Definition: openjpeg.h:126
opj_tgt_tree_t * opj_tgt_create(OPJ_UINT32 numleafsh, OPJ_UINT32 numleafsv, opj_event_mgr_t *p_manager)
Create a tag-tree.
Definition: tgt.c:48
void opj_tgt_encode(opj_bio_t *bio, opj_tgt_tree_t *tree, OPJ_UINT32 leafno, OPJ_INT32 threshold)
Encode the value of a leaf of the tag-tree up to a given threshold.
Definition: tgt.c:264
Tag tree.
Definition: tgt.h:67