Mercurial > hgrepos > Python2 > PyMuPDF

comparison mupdf-source/thirdparty/jbig2dec/jbig2_halftone.h @ 2:b50eed0cc0ef upstream

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
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
parents
children
comparison
equal deleted inserted replaced
1:1d09e1dec1d9 2:b50eed0cc0ef
1 /* Copyright (C) 2001-2023 Artifex Software, Inc.
2 All Rights Reserved.
3
4 This software is provided AS-IS with no warranty, either express or
5 implied.
6
7 This software is distributed under license and may not be copied,
8 modified or distributed except as expressly authorized under the terms
9 of the license contained in the file LICENSE in this distribution.
10
11 Refer to licensing information at http://www.artifex.com or contact
12 Artifex Software, Inc., 39 Mesa Street, Suite 108A, San Francisco,
13 CA 94129, USA, for further information.
14 */
15
16 /*
17 jbig2dec
18 */
19
20 #ifndef _JBIG2_HALFTONE_H
21 #define _JBIG2_HALFTONE_H
22
23 typedef struct {
24 int n_patterns;
25 Jbig2Image **patterns;
26 uint32_t HPW, HPH;
27 } Jbig2PatternDict;
28
29 /* Table 24 */
30 typedef struct {
31 bool HDMMR;
32 uint32_t HDPW;
33 uint32_t HDPH;
34 uint32_t GRAYMAX;
35 int HDTEMPLATE;
36 } Jbig2PatternDictParams;
37
38 /* Table 33 */
39 typedef struct {
40 byte flags;
41 uint32_t HGW;
42 uint32_t HGH;
43 int32_t HGX;
44 int32_t HGY;
45 uint16_t HRX;
46 uint16_t HRY;
47 bool HMMR;
48 int HTEMPLATE;
49 bool HENABLESKIP;
50 Jbig2ComposeOp HCOMBOP;
51 bool HDEFPIXEL;
52 } Jbig2HalftoneRegionParams;
53
54 void jbig2_hd_release(Jbig2Ctx *ctx, Jbig2PatternDict *dict);
55
56 int jbig2_halftone_region(Jbig2Ctx *ctx, Jbig2Segment *segment, const byte *segment_data);
57 int jbig2_pattern_dictionary(Jbig2Ctx *ctx, Jbig2Segment *segment, const byte *segment_data);
58
59 #endif /* _JBIG2_HALFTONE_H */