text: /*====================================================================*
   -  Copyright (C) 2001 Leptonica.  All rights reserved.
   -
   -  Redistribution and use in source and binary forms, with or without
   -  modification, are permitted provided that the following conditions
   -  are met:
   -  1. Redistributions of source code must retain the above copyright
   -     notice, this list of conditions and the following disclaimer.
   -  2. Redistributions in binary form must reproduce the above
   -     copyright notice, this list of conditions and the following
   -     disclaimer in the documentation and/or other materials
   -     provided with the distribution.
   -
   -  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
   -  ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
   -  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
   -  A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL ANY
   -  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
   -  EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
   -  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
   -  PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
   -  OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
   -  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
   -  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   *====================================================================*/
  
  #ifndef  LEPTONICA_READBARCODE_H
  #define  LEPTONICA_READBARCODE_H
  
      /* ----------------------------------------------------------------- *
       *            Flags for method of extracting barcode widths          *
       * ----------------------------------------------------------------- */
  
  /*! Barcode Method */
  enum {
      L_USE_WIDTHS = 1,     /*!< use histogram of barcode widths           */
      L_USE_WINDOWS = 2     /*!< find best window for decoding transitions */
  };
  
      /* ----------------------------------------------------------------- *
       *                     Flags for barcode formats                     *
       * These are used both to identify a barcode format and to identify  *
       * the decoding method to use on a barcode.                          *
       * ----------------------------------------------------------------- */
  
  /*! Barcode Format */
  enum {
      L_BF_UNKNOWN = 0,     /*!< unknown format                            */
      L_BF_ANY = 1,         /*!< try decoding with all known formats       */
      L_BF_CODE128 = 2,     /*!< decode with Code128 format                */
      L_BF_EAN8 = 3,        /*!< decode with EAN8 format                   */
      L_BF_EAN13 = 4,       /*!< decode with EAN13 format                  */
      L_BF_CODE2OF5 = 5,    /*!< decode with Code 2 of 5 format            */
      L_BF_CODEI2OF5 = 6,   /*!< decode with Interleaved 2 of 5 format     */
      L_BF_CODE39 = 7,      /*!< decode with Code39 format                 */
      L_BF_CODE93 = 8,      /*!< decode with Code93 format                 */
      L_BF_CODABAR = 9,     /*!< decode with Code93 format                 */
      L_BF_UPCA = 10        /*!< decode with UPC A format                  */
  };
  
      /* ----------------------------------------------------------------- *
       *                  Currently supported formats                      *
       *            Update these arrays as new formats are added.          *
       * ----------------------------------------------------------------- */
  
  /*! Currently supported formats */
  static const l_int32  SupportedBarcodeFormat[] = {
      L_BF_CODE2OF5,
      L_BF_CODEI2OF5,
      L_BF_CODE93,
      L_BF_CODE39,
      L_BF_CODABAR,
      L_BF_UPCA,
      L_BF_EAN13
  };
  
  /*! Currently supported format names */
  static const char  *SupportedBarcodeFormatName[] = {
      "Code2of5",
      "CodeI2of5",
      "Code93",
      "Code39",
      "Codabar",
      "Upca",
      "Ean13"
  };
  static const l_int32  NumSupportedBarcodeFormats = 7; /*!< Number of formats */
  
  
      /* ----------------------------------------------------------------- *
       *                       Code 2 of 5 symbology                       *
       * ----------------------------------------------------------------- */
  static const char *Code2of5[] = {
      "111121211", "211111112", "112111112", "212111111",   /* 0 - 3 */
      "111121112", "211121111", "112121111", "111111212",   /* 4 - 7 */
      "211111211", "112111211",                             /* 8 - 9 */
      "21211", "21112"                                      /* Start, Stop */
  };
  
  static const l_int32  C25_START = 10;
  static const l_int32  C25_STOP =  11;
  
  
      /* ----------------------------------------------------------------- *
       *                Code Interleaved 2 of 5 symbology                  *
       * ----------------------------------------------------------------- */
  static const char *CodeI2of5[] = {
      "11221", "21112", "12112", "22111", "11212",    /*  0 - 4 */
      "21211", "12211", "11122", "21121", "12121",    /*  5 - 9 */
      "1111", "211"                                   /*  start, stop */
  };
  
  static const l_int32  CI25_START = 10;
  static const l_int32  CI25_STOP =  11;
  
  
      /* ----------------------------------------------------------------- *
       *                         Code 93 symbology                         *
       * ----------------------------------------------------------------- */
  static const char *Code93[] = {
      "131112", "111213", "111312", "111411", "121113", /* 0: 0 - 4 */
      "121212", "121311", "111114", "131211", "141111", /* 5: 5 - 9 */
      "211113", "211212", "211311", "221112", "221211", /* 10: A - E */
      "231111", "112113", "112212", "112311", "122112", /* 15: F - J */
      "132111", "111123", "111222", "111321", "121122", /* 20: K - O */
      "131121", "212112", "212211", "211122", "211221", /* 25: P - T */
      "221121", "222111", "112122", "112221", "122121", /* 30: U - Y */
      "123111", "121131", "311112", "311211", "321111", /* 35: Z,-,.,SP,$ */
      "112131", "113121", "211131", "131221", "312111", /* 40: /,+,%,($),(%) */
      "311121", "122211", "111141"                      /* 45: (/),(+), Start */
  };
  
      /* Use "[]{}#" to represent special codes 43-47 */
  static const char Code93Val[] =
      "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ-. $/+%[]{}#";
  
  static const l_int32  C93_START = 47;
  static const l_int32  C93_STOP =  47;
  
  
      /* ----------------------------------------------------------------- *
       *                         Code 39 symbology                         *
       * ----------------------------------------------------------------- */
  static const char *Code39[] = {
      "111221211", "211211112", "112211112", "212211111",  /* 0: 0 - 3      */
      "111221112", "211221111", "112221111", "111211212",  /* 4: 4 - 7      */
      "211211211", "112211211", "211112112", "112112112",  /* 8: 8 - B      */
      "212112111", "111122112", "211122111", "112122111",  /* 12: C - F     */
      "111112212", "211112211", "112112211", "111122211",  /* 16: G - J     */
      "211111122", "112111122", "212111121", "111121122",  /* 20: K - N     */
      "211121121", "112121121", "111111222", "211111221",  /* 24: O - R     */
      "112111221", "111121221", "221111112", "122111112",  /* 28: S - V     */
      "222111111", "121121112", "221121111", "122121111",  /* 32: W - Z     */
      "121111212", "221111211", "122111211", "121212111",  /* 36: -,.,SP,$  */
      "121211121", "121112121", "111212121", "121121211"   /* 40: /,+,%,*   */
  };
  
      /* Use "*" to represent the Start and Stop codes (43) */
  static const char Code39Val[] =
      "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ-. $/+%*";
  
  static const l_int32  C39_START = 43;
  static const l_int32  C39_STOP =  43;
  
  
      /* ----------------------------------------------------------------- *
       *                         Codabar symbology                         *
       * ----------------------------------------------------------------- */
  static const char *Codabar[] = {
      "1111122", "1111221", "1112112", "2211111", "1121121", /* 0: 0 - 4      */
      "2111121", "1211112", "1211211", "1221111", "2112111", /* 5: 5 - 9      */
      "1112211", "1122111", "2111212", "2121112", "2121211", /* 10: -,$,:,/,. */
      "1121212", "1122121", "1212112", "1112122", "1112221"  /* 15: +,A,B,C,D */
  };
  
      /* Ascii representations for codes 16-19: (A or T), (B or N), (C or *),
       * (D or E).  These are used in pairs for the Start and Stop codes. */
  static const char CodabarVal[] = "0123456789-$:/.+ABCD";
  
  
      /* ----------------------------------------------------------------- *
       *                          UPC-A symbology                          *
       * ----------------------------------------------------------------- */
  static const char *Upca[] = {
      "3211", "2221", "2122", "1411", "1132",  /* 0: 0 - 4              */
      "1231", "1114", "1312", "1213", "3112",  /* 5: 5 - 9              */
      "111", "111", "11111"                    /* 10: Start, Stop, Mid  */
  };
  
  static const l_int32  UPCA_START = 10;
  static const l_int32  UPCA_STOP =  11;
  static const l_int32  UPCA_MID =   12;
  
  
      /* ----------------------------------------------------------------- *
       *                         Code128 symbology                         *
       * ----------------------------------------------------------------- */
  static const char *Code128[] = {
      "212222", "222122", "222221", "121223", "121322",    /*  0 - 4 */
      "131222", "122213", "122312", "132212", "221213",    /*  5 - 9 */
      "221312", "231212", "112232", "122132", "122231",    /* 10 - 14 */
      "113222", "123122", "123221", "223211", "221132",    /* 15 - 19 */
      "221231", "213212", "223112", "312131", "311222",    /* 20 - 24 */
      "321122", "321221", "312212", "322112", "322211",    /* 25 - 29 */
      "212123", "212321", "232121", "111323", "131123",    /* 30 - 34 */
      "131321", "112313", "132113", "132311", "211313",    /* 35 - 39 */
      "231113", "231311", "112133", "112331", "132131",    /* 40 - 44 */
      "113123", "113321", "133121", "313121", "211331",    /* 45 - 49 */
      "231131", "213113", "213311", "213131", "311123",    /* 50 - 54 */
      "311321", "331121", "312113", "312311", "332111",    /* 55 - 59 */
      "314111", "221411", "431111", "111224", "111422",    /* 60 - 64 */
      "121124", "121421", "141122", "141221", "112214",    /* 65 - 69 */
      "112412", "122114", "122411", "142112", "142211",    /* 70 - 74 */
      "241211", "221114", "413111", "241112", "134111",    /* 75 - 79 */
      "111242", "121142", "121241", "114212", "124112",    /* 80 - 84 */
      "124211", "411212", "421112", "421211", "212141",    /* 85 - 89 */
      "214121", "412121", "111143", "111341", "131141",    /* 90 - 94 */
      "114113", "114311", "411113", "411311", "113141",    /* 95 - 99 */
      "114131", "311141", "411131", "211412", "211214",    /* 100 - 104 */
      "211232", "2331112"                                  /* 105 - 106 */
  };
  
  static const l_int32  C128_FUN_3 =    96;   /* in A or B only; in C it is 96 */
  static const l_int32  C128_FUNC_2 =   97;   /* in A or B only; in C it is 97 */
  static const l_int32  C128_SHIFT =    98;   /* in A or B only; in C it is 98 */
  static const l_int32  C128_GOTO_C =   99;   /* in A or B only; in C it is 99 */
  static const l_int32  C128_GOTO_B =  100;
  static const l_int32  C128_GOTO_A =  101;
  static const l_int32  C128_FUNC_1 =  102;
  static const l_int32  C128_START_A = 103;
  static const l_int32  C128_START_B = 104;
  static const l_int32  C128_START_C = 105;
  static const l_int32  C128_STOP =    106;
      /* code 128 symbols are 11 units */
  static const l_int32  C128_SYMBOL_WIDTH = 11;
  
  
  
  #endif  /* LEPTONICA_READBARCODE_H */
  