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comparison mupdf-source/thirdparty/openjpeg/src/lib/openjp2/t2.h @ 2:b50eed0cc0ef upstream

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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4. The directory name has changed: no version number in the expanded directory now.
author Franz Glasner <fzglas.hg@dom66.de>
date Mon, 15 Sep 2025 11:43:07 +0200
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1:1d09e1dec1d9 2:b50eed0cc0ef
1 /*
2 * The copyright in this software is being made available under the 2-clauses
3 * BSD License, included below. This software may be subject to other third
4 * party and contributor rights, including patent rights, and no such rights
5 * are granted under this license.
6 *
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
14 * Copyright (c) 2008, 2011-2012, Centre National d'Etudes Spatiales (CNES), FR
15 * Copyright (c) 2012, CS Systemes d'Information, France
16 * Copyright (c) 2017, IntoPIX SA <support@intopix.com>
17 * All rights reserved.
18 *
19 * Redistribution and use in source and binary forms, with or without
20 * modification, are permitted provided that the following conditions
21 * are met:
22 * 1. Redistributions of source code must retain the above copyright
23 * notice, this list of conditions and the following disclaimer.
24 * 2. Redistributions in binary form must reproduce the above copyright
25 * notice, this list of conditions and the following disclaimer in the
26 * documentation and/or other materials provided with the distribution.
27 *
28 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
29 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
31 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
32 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
33 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
34 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
35 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
36 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
37 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
38 * POSSIBILITY OF SUCH DAMAGE.
39 */
40 #ifndef OPJ_T2_H
41 #define OPJ_T2_H
42 /**
43 @file t2.h
44 @brief Implementation of a tier-2 coding (packetization of code-block data) (T2)
45
46 */
47
48 /** @defgroup T2 T2 - Implementation of a tier-2 coding */
49 /*@{*/
50
51 /**
52 Tier-2 coding
53 */
54 typedef struct opj_t2 {
55
56 /** Encoding: pointer to the src image. Decoding: pointer to the dst image. */
57 opj_image_t *image;
58 /** pointer to the image coding parameters */
59 opj_cp_t *cp;
60 } opj_t2_t;
61
62 /** @name Exported functions */
63 /*@{*/
64 /* ----------------------------------------------------------------------- */
65
66 /**
67 Encode the packets of a tile to a destination buffer
68 @param t2 T2 handle
69 @param tileno number of the tile encoded
70 @param tile the tile for which to write the packets
71 @param maxlayers maximum number of layers
72 @param dest the destination buffer
73 @param p_data_written FIXME DOC
74 @param len the length of the destination buffer
75 @param cstr_info Codestream information structure
76 @param p_marker_info Marker information structure
77 @param tpnum Tile part number of the current tile
78 @param tppos The position of the tile part flag in the progression order
79 @param pino FIXME DOC
80 @param t2_mode If == THRESH_CALC In Threshold calculation ,If == FINAL_PASS Final pass
81 @param p_manager the user event manager
82 */
83 OPJ_BOOL opj_t2_encode_packets(opj_t2_t* t2,
84 OPJ_UINT32 tileno,
85 opj_tcd_tile_t *tile,
86 OPJ_UINT32 maxlayers,
87 OPJ_BYTE *dest,
88 OPJ_UINT32 * p_data_written,
89 OPJ_UINT32 len,
90 opj_codestream_info_t *cstr_info,
91 opj_tcd_marker_info_t* p_marker_info,
92 OPJ_UINT32 tpnum,
93 OPJ_INT32 tppos,
94 OPJ_UINT32 pino,
95 J2K_T2_MODE t2_mode,
96 opj_event_mgr_t *p_manager);
97
98 /**
99 Decode the packets of a tile from a source buffer
100 @param tcd TCD handle
101 @param t2 T2 handle
102 @param tileno number that identifies the tile for which to decode the packets
103 @param tile tile for which to decode the packets
104 @param src FIXME DOC
105 @param p_data_read the source buffer
106 @param len length of the source buffer
107 @param cstr_info FIXME DOC
108 @param p_manager the user event manager
109
110 @return FIXME DOC
111 */
112 OPJ_BOOL opj_t2_decode_packets(opj_tcd_t* tcd,
113 opj_t2_t *t2,
114 OPJ_UINT32 tileno,
115 opj_tcd_tile_t *tile,
116 OPJ_BYTE *src,
117 OPJ_UINT32 * p_data_read,
118 OPJ_UINT32 len,
119 opj_codestream_index_t *cstr_info,
120 opj_event_mgr_t *p_manager);
121
122 /**
123 * Creates a Tier 2 handle
124 *
125 * @param p_image Source or destination image
126 * @param p_cp Image coding parameters.
127 * @return a new T2 handle if successful, NULL otherwise.
128 */
129 opj_t2_t* opj_t2_create(opj_image_t *p_image, opj_cp_t *p_cp);
130
131 /**
132 Destroy a T2 handle
133 @param t2 T2 handle to destroy
134 */
135 void opj_t2_destroy(opj_t2_t *t2);
136
137 /* ----------------------------------------------------------------------- */
138 /*@}*/
139
140 /*@}*/
141
142 #endif /* OPJ_T2_H */