src/barcode/barcode.h

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/***************************************************************************
                       barcode.h  -  description
                           -------------------
  begin                : Mie Jun 18 2003
  copyright            : (C) 2003 by InfoSiAL, S.L.
  email                : mail@infosial.com
***************************************************************************/ 
/***************************************************************************
 *                                                                         *
 *   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.                                   *
 *                                                                         *
 ***************************************************************************/

/*
 * 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>
#include <qstring.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, QString * 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, QString * 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_ */