120 lines
3.8 KiB
Plaintext
120 lines
3.8 KiB
Plaintext
/*
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* barcode.h -- definitions for libbarcode
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*
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* Copyright (c) 1999 Alessandro Rubini (rubini@gnu.org)
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* Copyright (c) 1999 Prosa Srl. (prosa@prosa.it)
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef _BARCODE_H_
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#define _BARCODE_H_
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#include <stdio.h>
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#define BARCODE_VERSION "0.98"
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#define BARCODE_VERSION_INT 9800
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/*
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* The object
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*/
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struct Barcode_Item {
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int flags; /* type of encoding and decoding */
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char *ascii; /* malloced */
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char *partial; /* malloced too */
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char *textinfo; /* information about text positioning */
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char *encoding; /* code name, filled by encoding engine */
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int width, height; /* output units */
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int xoff, yoff; /* output units */
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int margin; /* output units */
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double scalef; /* requested scaling for barcode */
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int error; /* an errno-like value, in case of failure */
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};
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/*
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* The flags field
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*/
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#define BARCODE_DEFAULT_FLAGS 0x00000000
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#define BARCODE_ENCODING_MASK 0x000000ff /* 256 possibilites... */
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#define BARCODE_NO_ASCII 0x00000100 /* avoid text in output */
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#define BARCODE_NO_CHECKSUM 0x00000200 /* avoid checksum in output */
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#define BARCODE_OUTPUT_MASK 0x000ff000 /* 256 output types */
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#define BARCODE_OUT_EPS 0x00001000
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#define BARCODE_OUT_PS 0x00002000
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#define BARCODE_OUT_PCL 0x00004000 /* by Andrea Scopece */
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/* PCL_III 0x00008000 */
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#define BARCODE_OUT_PCL_III 0x0000C000
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#define BARCODE_OUT_NOHEADERS 0x00100000 /* no header nor footer */
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enum {
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BARCODE_ANY = 0, /* choose best-fit */
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BARCODE_EAN,
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BARCODE_UPC, /* upc == 12-digit ean */
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BARCODE_ISBN, /* isbn numbers (still EAN13) */
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BARCODE_39, /* code 39 */
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BARCODE_128, /* code 128 (a,b,c: autoselection) */
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BARCODE_128C, /* code 128 (compact form for digits) */
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BARCODE_128B, /* code 128, full printable ascii */
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BARCODE_I25, /* interleaved 2 of 5 (only digits) */
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BARCODE_128RAW, /* Raw code 128 (by Leonid A. Broukhis) */
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BARCODE_CBR, /* Codabar (by Leonid A. Broukhis) */
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BARCODE_MSI, /* MSI (by Leonid A. Broukhis) */
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BARCODE_PLS, /* Plessey (by Leonid A. Broukhis) */
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BARCODE_93 /* code 93 (by Nathan D. Holmes) */
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};
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#define BARCODE_DEFAULT_MARGIN 10
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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* Create and destroy barcode structures
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*/
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extern struct Barcode_Item *Barcode_Create(char *text);
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extern int Barcode_Delete(struct Barcode_Item *bc);
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/*
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* Encode and print
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*/
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extern int Barcode_Encode(struct Barcode_Item *bc, int flags);
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extern int Barcode_Print(struct Barcode_Item *bc, FILE *f, int flags);
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/*
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* Choose the position
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*/
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extern int Barcode_Position(struct Barcode_Item *bc, int wid, int hei,
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int xoff, int yoff, double scalef);
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/*
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* Do it all in one step
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*/
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extern int Barcode_Encode_and_Print(char *text, FILE *f, int wid, int hei,
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int xoff, int yoff, int flags);
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/*
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* Return current version (integer and string)
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*/
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extern int Barcode_Version(char *versionname);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _BARCODE_H_ */
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