1 /** 2 * 3 * IEC16022 bar code generation 4 * Adrian Kennard, Andrews & Arnold Ltd 5 * with help from Cliff Hones on the RS coding 6 * 7 * (c) 2004 Adrian Kennard, Andrews & Arnold Ltd 8 * (c) 2006-2007 Stefan Schmidt <stefan@datenfreihafen.org> 9 * 10 * This program is free software; you can redistribute it and/or modify 11 * it under the terms of the GNU General Public License as published by 12 * the Free Software Foundation; either version 2 of the License, or 13 * (at your option) any later version. 14 * 15 * This program is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 * GNU General Public License for more details. 19 * 20 * You should have received a copy of the GNU General Public License 21 * along with this program; if not, write to the Free Software 22 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 23 * 24 * 25 * Main encoding function 26 * Returns the grid (malloced) containing the matrix. L corner at 0,0. 27 * Takes suggested size in *Wptr, *Hptr, or 0,0. Fills in actual size. 28 * Takes barcodelen and barcode to be encoded 29 * Note, if *encodingptr is null, then fills with auto picked (malloced) 30 * encoding. 31 * If lenp not null, then the length of encoded data before any final unlatch 32 * or pad is stored. 33 * If maxp not null, then the max storage of this size code is stored 34 * If eccp not null, then the number of ecc bytes used in this size is stored 35 * Returns 0 on error (writes to stderr with details). 36 * 37 */ 38 39 #ifndef __IEC16022ECC200_H 40 #define __IEC16022ECC200_H 41 42 #define IEC16022_FLAG_GS1 1 43 44 unsigned char *iec16022ecc200(int *Wptr, int *Hptr, char **encodingptr, 45 int barcodelen, const unsigned char *barcode, 46 int *lenp, int *maxp, int *eccp); 47 48 unsigned char *iec16022ecc200f(int *Wptr, int *Hptr, char **encodingptr, 49 int barcodelen, const unsigned char *barcode, 50 int *lenp, int *maxp, int *eccp, int flags); 51 #define MAXBARCODE 3116 52 53 #endif /* __IEC16022ECC200_H */ 54