52 lines
1.9 KiB
C
52 lines
1.9 KiB
C
/*------------------------------------------------------------------------
|
|
* Copyright 2008-2009 (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 _I25_H_
|
|
#define _I25_H_
|
|
|
|
/* interleaved 2 of 5 specific decode state */
|
|
typedef struct i25_decoder_s {
|
|
unsigned direction : 1; /* scan direction: 0=fwd/space, 1=rev/bar */
|
|
unsigned element : 4; /* element offset 0-8 */
|
|
int character : 12; /* character position in symbol */
|
|
unsigned s10; /* current character width */
|
|
unsigned width; /* last character width */
|
|
unsigned char buf[4]; /* initial scan buffer */
|
|
|
|
unsigned config;
|
|
int configs[NUM_CFGS]; /* int valued configurations */
|
|
} i25_decoder_t;
|
|
|
|
/* reset interleaved 2 of 5 specific state */
|
|
static inline void i25_reset (i25_decoder_t *i25)
|
|
{
|
|
i25->direction = 0;
|
|
i25->element = 0;
|
|
i25->character = -1;
|
|
i25->s10 = 0;
|
|
}
|
|
|
|
/* decode interleaved 2 of 5 symbols */
|
|
zbar_symbol_type_t _zbar_decode_i25(zbar_decoder_t *dcode);
|
|
|
|
#endif
|