/* * barcode.h -- definitions for libbarcode * * Copyright (c) 1999 Alessandro Rubini (rubini@gnu.org) * Copyright (c) 1999 Prosa Srl. (prosa@prosa.it) * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. */ #ifndef _BARCODE_H_ #define _BARCODE_H_ #include <stdio.h> #define BARCODE_VERSION "0.98" #define BARCODE_VERSION_INT 9800 /* * The object */ struct Barcode_Item { int flags; /* type of encoding and decoding */ char *ascii; /* malloced */ char *partial; /* malloced too */ char *textinfo; /* information about text positioning */ char *encoding; /* code name, filled by encoding engine */ int width, height; /* output units */ int xoff, yoff; /* output units */ int margin; /* output units */ double scalef; /* requested scaling for barcode */ int error; /* an errno-like value, in case of failure */ }; /* * The flags field */ #define BARCODE_DEFAULT_FLAGS 0x00000000 #define BARCODE_ENCODING_MASK 0x000000ff /* 256 possibilites... */ #define BARCODE_NO_ASCII 0x00000100 /* avoid text in output */ #define BARCODE_NO_CHECKSUM 0x00000200 /* avoid checksum in output */ #define BARCODE_OUTPUT_MASK 0x000ff000 /* 256 output types */ #define BARCODE_OUT_EPS 0x00001000 #define BARCODE_OUT_PS 0x00002000 #define BARCODE_OUT_PCL 0x00004000 /* by Andrea Scopece */ /* PCL_III 0x00008000 */ #define BARCODE_OUT_PCL_III 0x0000C000 #define BARCODE_OUT_NOHEADERS 0x00100000 /* no header nor footer */ enum { BARCODE_ANY = 0, /* choose best-fit */ BARCODE_EAN, BARCODE_UPC, /* upc == 12-digit ean */ BARCODE_ISBN, /* isbn numbers (still EAN13) */ BARCODE_39, /* code 39 */ BARCODE_128, /* code 128 (a,b,c: autoselection) */ BARCODE_128C, /* code 128 (compact form for digits) */ BARCODE_128B, /* code 128, full printable ascii */ BARCODE_I25, /* interleaved 2 of 5 (only digits) */ BARCODE_128RAW, /* Raw code 128 (by Leonid A. Broukhis) */ BARCODE_CBR, /* Codabar (by Leonid A. Broukhis) */ BARCODE_MSI, /* MSI (by Leonid A. Broukhis) */ BARCODE_PLS, /* Plessey (by Leonid A. Broukhis) */ BARCODE_93 /* code 93 (by Nathan D. Holmes) */ }; #define BARCODE_DEFAULT_MARGIN 10 #ifdef __cplusplus extern "C" { #endif /* * Create and destroy barcode structures */ extern struct Barcode_Item *Barcode_Create(char *text); extern int Barcode_Delete(struct Barcode_Item *bc); /* * Encode and print */ extern int Barcode_Encode(struct Barcode_Item *bc, int flags); extern int Barcode_Print(struct Barcode_Item *bc, FILE *f, int flags); /* * Choose the position */ extern int Barcode_Position(struct Barcode_Item *bc, int wid, int hei, int xoff, int yoff, double scalef); /* * Do it all in one step */ extern int Barcode_Encode_and_Print(char *text, FILE *f, int wid, int hei, int xoff, int yoff, int flags); /* * Return current version (integer and string) */ extern int Barcode_Version(char *versionname); #ifdef __cplusplus } #endif #endif /* _BARCODE_H_ */