blob: 6f4bd1e1b17509c37de18bd269b6b5e387feea36 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
|
/*------------------------------------------------------------------------
* Copyright 2007-2009 (c) Jeff Brown <spadix@users.sourceforge.net>
*
* This file is part of the ZBar Bar Code Reader.
*
* The ZBar Bar Code Reader is free software; you can redistribute it
* and/or modify it under the terms of the GNU Lesser Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* The ZBar Bar Code Reader is distributed in the hope that it will be
* useful, but WITHOUT ANY WARRANTY; without even the implied warranty
* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser Public License for more details.
*
* You should have received a copy of the GNU Lesser Public License
* along with the ZBar Bar Code Reader; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301 USA
*
* http://sourceforge.net/projects/zbar
*------------------------------------------------------------------------*/
#ifndef _CODE128_H_
#define _CODE128_H_
/* Code 128 specific decode state */
typedef struct code128_decoder_s {
unsigned direction : 1; /* scan direction: 0=fwd/space, 1=rev/bar */
unsigned element : 3; /* element offset 0-5 */
int character : 12; /* character position in symbol */
unsigned char start; /* start character */
unsigned s6; /* character width */
unsigned width; /* last character width */
unsigned config;
int configs[NUM_CFGS]; /* int valued configurations */
} code128_decoder_t;
/* reset Code 128 specific state */
static inline void code128_reset(code128_decoder_t *dcode128)
{
dcode128->direction = 0;
dcode128->element = 0;
dcode128->character = -1;
dcode128->s6 = 0;
}
/* decode Code 128 symbols */
zbar_symbol_type_t _zbar_decode_code128(zbar_decoder_t *dcode);
#endif
|