/*====================================================================* - 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 */