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comparison mupdf-source/thirdparty/openjpeg/src/lib/openjp2/opj_codec.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 * All rights reserved.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
21 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
24 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 * POSSIBILITY OF SUCH DAMAGE.
31 */
32 #ifndef OPJ_CODEC_H
33 #define OPJ_CODEC_H
34 /**
35 @file opj_codec.h
36 */
37
38
39 /**
40 * Main codec handler used for compression or decompression.
41 */
42 typedef struct opj_codec_private {
43 /** FIXME DOC */
44 union {
45 /**
46 * Decompression handler.
47 */
48 struct opj_decompression {
49 /** Main header reading function handler */
50 OPJ_BOOL(*opj_read_header)(struct opj_stream_private * cio,
51 void * p_codec,
52 opj_image_t **p_image,
53 struct opj_event_mgr * p_manager);
54
55 /** Decoding function */
56 OPJ_BOOL(*opj_decode)(void * p_codec,
57 struct opj_stream_private * p_cio,
58 opj_image_t * p_image,
59 struct opj_event_mgr * p_manager);
60
61 /** FIXME DOC */
62 OPJ_BOOL(*opj_read_tile_header)(void * p_codec,
63 OPJ_UINT32 * p_tile_index,
64 OPJ_UINT32 * p_data_size,
65 OPJ_INT32 * p_tile_x0,
66 OPJ_INT32 * p_tile_y0,
67 OPJ_INT32 * p_tile_x1,
68 OPJ_INT32 * p_tile_y1,
69 OPJ_UINT32 * p_nb_comps,
70 OPJ_BOOL * p_should_go_on,
71 struct opj_stream_private * p_cio,
72 struct opj_event_mgr * p_manager);
73
74 /** FIXME DOC */
75 OPJ_BOOL(*opj_decode_tile_data)(void * p_codec,
76 OPJ_UINT32 p_tile_index,
77 OPJ_BYTE * p_data,
78 OPJ_UINT32 p_data_size,
79 struct opj_stream_private * p_cio,
80 struct opj_event_mgr * p_manager);
81
82 /** Reading function used after codestream if necessary */
83 OPJ_BOOL(* opj_end_decompress)(void *p_codec,
84 struct opj_stream_private * cio,
85 struct opj_event_mgr * p_manager);
86
87 /** Codec destroy function handler */
88 void (*opj_destroy)(void * p_codec);
89
90 /** Setup decoder function handler */
91 void (*opj_setup_decoder)(void * p_codec, opj_dparameters_t * p_param);
92
93 /** Strict mode function handler */
94 void (*opj_decoder_set_strict_mode)(void * p_codec, OPJ_BOOL strict);
95
96 /** Set decode area function handler */
97 OPJ_BOOL(*opj_set_decode_area)(void * p_codec,
98 opj_image_t * p_image,
99 OPJ_INT32 p_start_x,
100 OPJ_INT32 p_end_x,
101 OPJ_INT32 p_start_y,
102 OPJ_INT32 p_end_y,
103 struct opj_event_mgr * p_manager);
104
105 /** Get tile function */
106 OPJ_BOOL(*opj_get_decoded_tile)(void *p_codec,
107 opj_stream_private_t * p_cio,
108 opj_image_t *p_image,
109 struct opj_event_mgr * p_manager,
110 OPJ_UINT32 tile_index);
111
112 /** Set the decoded resolution factor */
113 OPJ_BOOL(*opj_set_decoded_resolution_factor)(void * p_codec,
114 OPJ_UINT32 res_factor,
115 opj_event_mgr_t * p_manager);
116
117 /** Set the decoded components */
118 OPJ_BOOL(*opj_set_decoded_components)(void * p_codec,
119 OPJ_UINT32 num_comps,
120 const OPJ_UINT32* comps_indices,
121 opj_event_mgr_t * p_manager);
122 } m_decompression;
123
124 /**
125 * Compression handler. FIXME DOC
126 */
127 struct opj_compression {
128 OPJ_BOOL(* opj_start_compress)(void *p_codec,
129 struct opj_stream_private * cio,
130 struct opj_image * p_image,
131 struct opj_event_mgr * p_manager);
132
133 OPJ_BOOL(* opj_encode)(void * p_codec,
134 struct opj_stream_private *p_cio,
135 struct opj_event_mgr * p_manager);
136
137 OPJ_BOOL(* opj_write_tile)(void * p_codec,
138 OPJ_UINT32 p_tile_index,
139 OPJ_BYTE * p_data,
140 OPJ_UINT32 p_data_size,
141 struct opj_stream_private * p_cio,
142 struct opj_event_mgr * p_manager);
143
144 OPJ_BOOL(* opj_end_compress)(void * p_codec,
145 struct opj_stream_private * p_cio,
146 struct opj_event_mgr * p_manager);
147
148 void (* opj_destroy)(void * p_codec);
149
150 OPJ_BOOL(* opj_setup_encoder)(void * p_codec,
151 opj_cparameters_t * p_param,
152 struct opj_image * p_image,
153 struct opj_event_mgr * p_manager);
154
155 OPJ_BOOL(* opj_encoder_set_extra_options)(void * p_codec,
156 const char* const* p_options,
157 struct opj_event_mgr * p_manager);
158
159 } m_compression;
160 } m_codec_data;
161 /** FIXME DOC*/
162 void * m_codec;
163 /** Event handler */
164 opj_event_mgr_t m_event_mgr;
165 /** Flag to indicate if the codec is used to decode or encode*/
166 OPJ_BOOL is_decompressor;
167 void (*opj_dump_codec)(void * p_codec, OPJ_INT32 info_flag,
168 FILE* output_stream);
169 opj_codestream_info_v2_t* (*opj_get_codec_info)(void* p_codec);
170 opj_codestream_index_t* (*opj_get_codec_index)(void* p_codec);
171
172 /** Set number of threads */
173 OPJ_BOOL(*opj_set_threads)(void * p_codec, OPJ_UINT32 num_threads);
174 }
175 opj_codec_private_t;
176
177
178 #endif /* OPJ_CODEC_H */
179