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comparison mupdf-source/thirdparty/zint/backend/eci.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 /* eci.c - Extended Channel Interpretations to Unicode tables */
2 /*
3 libzint - the open source barcode library
4 Copyright (C) 2009-2024 Robin Stuart <rstuart114@gmail.com>
5
6 Redistribution and use in source and binary forms, with or without
7 modification, are permitted provided that the following conditions
8 are met:
9
10 1. Redistributions of source code must retain the above copyright
11 notice, this list of conditions and the following disclaimer.
12 2. Redistributions in binary form must reproduce the above copyright
13 notice, this list of conditions and the following disclaimer in the
14 documentation and/or other materials provided with the distribution.
15 3. Neither the name of the project nor the names of its contributors
16 may be used to endorse or promote products derived from this software
17 without specific prior written permission.
18
19 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
20 ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
23 FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 SUCH DAMAGE.
30 */
31 /* SPDX-License-Identifier: BSD-3-Clause */
32
33 #ifndef Z_ECI_H
34 #define Z_ECI_H
35
36 #ifdef __cplusplus
37 extern "C" {
38 #endif /* __cplusplus */
39
40 INTERNAL int is_eci_convertible(const int eci);
41 INTERNAL int is_eci_convertible_segs(const struct zint_seg segs[], const int seg_count, int convertible[]);
42
43 INTERNAL int get_eci_length(const int eci, const unsigned char source[], int length);
44 INTERNAL int get_eci_length_segs(const struct zint_seg segs[], const int seg_count);
45
46 INTERNAL int utf8_to_eci(const int eci, const unsigned char source[], unsigned char dest[], int *p_length);
47
48 INTERNAL int get_best_eci(const unsigned char source[], int length);
49 INTERNAL int get_best_eci_segs(struct zint_symbol *symbol, struct zint_seg segs[], const int seg_count);
50
51 /* QRCODE Shift JIS helpers */
52 INTERNAL int sjis_utf8(struct zint_symbol *symbol, const unsigned char source[], int *p_length,
53 unsigned int *ddata);
54 INTERNAL void sjis_cpy(const unsigned char source[], int *p_length, unsigned int *ddata, const int full_multibyte);
55 INTERNAL void sjis_cpy_segs(struct zint_seg segs[], const int seg_count, unsigned int *ddata,
56 const int full_multibyte);
57 INTERNAL int sjis_utf8_to_eci(const int eci, const unsigned char source[], int *p_length, unsigned int *ddata,
58 const int full_multibyte);
59
60 /* GRIDMATRIX GB 2312 helpers */
61 INTERNAL int gb2312_utf8(struct zint_symbol *symbol, const unsigned char source[], int *p_length,
62 unsigned int *ddata);
63 INTERNAL void gb2312_cpy_segs(struct zint_seg segs[], const int seg_count, unsigned int *ddata,
64 const int full_multibyte);
65 INTERNAL int gb2312_utf8_to_eci(const int eci, const unsigned char source[], int *p_length, unsigned int *ddata,
66 const int full_multibyte);
67
68 /* HANXIN GB 18030 helpers */
69 INTERNAL int gb18030_utf8(struct zint_symbol *symbol, const unsigned char source[], int *p_length,
70 unsigned int *ddata);
71 INTERNAL void gb18030_cpy_segs(struct zint_seg segs[], const int seg_count, unsigned int *ddata,
72 const int full_multibyte);
73 INTERNAL int gb18030_utf8_to_eci(const int eci, const unsigned char source[], int *p_length, unsigned int *ddata,
74 const int full_multibyte);
75
76 #ifdef __cplusplus
77 }
78 #endif /* __cplusplus */
79
80 /* vim: set ts=4 sw=4 et : */
81 #endif /* Z_ECI_H */