52 lines
1.9 KiB
C
52 lines
1.9 KiB
C
/*------------------------------------------------------------------------
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* Copyright 2011 (c) Jeff Brown <spadix@users.sourceforge.net>
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*
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* This file is part of the ZBar Bar Code Reader.
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*
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* The ZBar Bar Code Reader is free software; you can redistribute it
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* and/or modify it under the terms of the GNU Lesser Public License as
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* published by the Free Software Foundation; either version 2.1 of
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* the License, or (at your option) any later version.
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*
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* The ZBar Bar Code Reader is distributed in the hope that it will be
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* useful, but WITHOUT ANY WARRANTY; without even the implied warranty
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* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser Public License for more details.
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*
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* You should have received a copy of the GNU Lesser Public License
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* along with the ZBar Bar Code Reader; if not, write to the Free
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* Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301 USA
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*
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* http://sourceforge.net/projects/zbar
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*------------------------------------------------------------------------*/
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#ifndef _CODABAR_H_
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#define _CODABAR_H_
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/* Codabar specific decode state */
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typedef struct codabar_decoder_s {
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unsigned direction : 1; /* scan direction: 0=fwd, 1=rev */
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unsigned element : 4; /* element offset 0-7 */
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int character : 12; /* character position in symbol */
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unsigned s7; /* current character width */
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unsigned width; /* last character width */
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unsigned char buf[6]; /* initial scan buffer */
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unsigned config;
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int configs[NUM_CFGS]; /* int valued configurations */
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} codabar_decoder_t;
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/* reset Codabar specific state */
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static inline void codabar_reset(codabar_decoder_t *codabar)
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{
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codabar->direction = 0;
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codabar->element = 0;
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codabar->character = -1;
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codabar->s7 = 0;
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}
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/* decode Codabar symbols */
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zbar_symbol_type_t _zbar_decode_codabar(zbar_decoder_t *dcode);
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#endif
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