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2300a76a07
zint/backend/imail.c
hooper 2300a76a07 Add size restrictions for some barcode types 
No longer allows symbols of size less than 2mm high or 2mm wide
Enforces correct sizing for Australia Post, Intelligent Mail, Royal Mail 4-State and KIX Code
Adjusts ascender/tracker/descender proportions on all 4-state codes to revised 3/2/3 standards
Enforces normative sizing for UPC and EAN
Enforces minimum sizing for Codabar and Code 49
Tidies up the code a bit so that all of the above makes some sense
2010-09-12 11:54:47 +01:00

701 lines
24 KiB
C
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/* imail.c - Handles Intelligent Mail (aka OneCode) for USPS */
/*
libzint - the open source barcode library
Copyright (C) 2008 Robin Stuart <robin@zint.org.uk>
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 3 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.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
/* The function "USPS_MSB_Math_CRC11GenerateFrameCheckSequence"
is Copyright (C) 2006 United States Postal Service */
static short int BCD[40] = {
0, 0, 0, 0,
1, 0, 0, 0,
0, 1, 0, 0,
1, 1, 0, 0,
0, 0, 1, 0,
1, 0, 1, 0,
0, 1, 1, 0,
1, 1, 1, 0,
0, 0, 0, 1,
1, 0, 0, 1
};
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include "common.h"
#include "large.h"
#define SODIUM "0123456789-"
/* The following lookup tables were generated using the code in Appendix C */
static unsigned short AppxD_I[1287] = { /* Appendix D Table 1 - 5 of 13 characters */
0x001F, 0x1F00, 0x002F, 0x1E80, 0x0037, 0x1D80, 0x003B, 0x1B80, 0x003D, 0x1780,
0x003E, 0x0F80, 0x004F, 0x1E40, 0x0057, 0x1D40, 0x005B, 0x1B40, 0x005D, 0x1740,
0x005E, 0x0F40, 0x0067, 0x1CC0, 0x006B, 0x1AC0, 0x006D, 0x16C0, 0x006E, 0x0EC0,
0x0073, 0x19C0, 0x0075, 0x15C0, 0x0076, 0x0DC0, 0x0079, 0x13C0, 0x007A, 0x0BC0,
0x007C, 0x07C0, 0x008F, 0x1E20, 0x0097, 0x1D20, 0x009B, 0x1B20, 0x009D, 0x1720,
0x009E, 0x0F20, 0x00A7, 0x1CA0, 0x00AB, 0x1AA0, 0x00AD, 0x16A0, 0x00AE, 0x0EA0,
0x00B3, 0x19A0, 0x00B5, 0x15A0, 0x00B6, 0x0DA0, 0x00B9, 0x13A0, 0x00BA, 0x0BA0,
0x00BC, 0x07A0, 0x00C7, 0x1C60, 0x00CB, 0x1A60, 0x00CD, 0x1660, 0x00CE, 0x0E60,
0x00D3, 0x1960, 0x00D5, 0x1560, 0x00D6, 0x0D60, 0x00D9, 0x1360, 0x00DA, 0x0B60,
0x00DC, 0x0760, 0x00E3, 0x18E0, 0x00E5, 0x14E0, 0x00E6, 0x0CE0, 0x00E9, 0x12E0,
0x00EA, 0x0AE0, 0x00EC, 0x06E0, 0x00F1, 0x11E0, 0x00F2, 0x09E0, 0x00F4, 0x05E0,
0x00F8, 0x03E0, 0x010F, 0x1E10, 0x0117, 0x1D10, 0x011B, 0x1B10, 0x011D, 0x1710,
0x011E, 0x0F10, 0x0127, 0x1C90, 0x012B, 0x1A90, 0x012D, 0x1690, 0x012E, 0x0E90,
0x0133, 0x1990, 0x0135, 0x1590, 0x0136, 0x0D90, 0x0139, 0x1390, 0x013A, 0x0B90,
0x013C, 0x0790, 0x0147, 0x1C50, 0x014B, 0x1A50, 0x014D, 0x1650, 0x014E, 0x0E50,
0x0153, 0x1950, 0x0155, 0x1550, 0x0156, 0x0D50, 0x0159, 0x1350, 0x015A, 0x0B50,
0x015C, 0x0750, 0x0163, 0x18D0, 0x0165, 0x14D0, 0x0166, 0x0CD0, 0x0169, 0x12D0,
0x016A, 0x0AD0, 0x016C, 0x06D0, 0x0171, 0x11D0, 0x0172, 0x09D0, 0x0174, 0x05D0,
0x0178, 0x03D0, 0x0187, 0x1C30, 0x018B, 0x1A30, 0x018D, 0x1630, 0x018E, 0x0E30,
0x0193, 0x1930, 0x0195, 0x1530, 0x0196, 0x0D30, 0x0199, 0x1330, 0x019A, 0x0B30,
0x019C, 0x0730, 0x01A3, 0x18B0, 0x01A5, 0x14B0, 0x01A6, 0x0CB0, 0x01A9, 0x12B0,
0x01AA, 0x0AB0, 0x01AC, 0x06B0, 0x01B1, 0x11B0, 0x01B2, 0x09B0, 0x01B4, 0x05B0,
0x01B8, 0x03B0, 0x01C3, 0x1870, 0x01C5, 0x1470, 0x01C6, 0x0C70, 0x01C9, 0x1270,
0x01CA, 0x0A70, 0x01CC, 0x0670, 0x01D1, 0x1170, 0x01D2, 0x0970, 0x01D4, 0x0570,
0x01D8, 0x0370, 0x01E1, 0x10F0, 0x01E2, 0x08F0, 0x01E4, 0x04F0, 0x01E8, 0x02F0,
0x020F, 0x1E08, 0x0217, 0x1D08, 0x021B, 0x1B08, 0x021D, 0x1708, 0x021E, 0x0F08,
0x0227, 0x1C88, 0x022B, 0x1A88, 0x022D, 0x1688, 0x022E, 0x0E88, 0x0233, 0x1988,
0x0235, 0x1588, 0x0236, 0x0D88, 0x0239, 0x1388, 0x023A, 0x0B88, 0x023C, 0x0788,
0x0247, 0x1C48, 0x024B, 0x1A48, 0x024D, 0x1648, 0x024E, 0x0E48, 0x0253, 0x1948,
0x0255, 0x1548, 0x0256, 0x0D48, 0x0259, 0x1348, 0x025A, 0x0B48, 0x025C, 0x0748,
0x0263, 0x18C8, 0x0265, 0x14C8, 0x0266, 0x0CC8, 0x0269, 0x12C8, 0x026A, 0x0AC8,
0x026C, 0x06C8, 0x0271, 0x11C8, 0x0272, 0x09C8, 0x0274, 0x05C8, 0x0278, 0x03C8,
0x0287, 0x1C28, 0x028B, 0x1A28, 0x028D, 0x1628, 0x028E, 0x0E28, 0x0293, 0x1928,
0x0295, 0x1528, 0x0296, 0x0D28, 0x0299, 0x1328, 0x029A, 0x0B28, 0x029C, 0x0728,
0x02A3, 0x18A8, 0x02A5, 0x14A8, 0x02A6, 0x0CA8, 0x02A9, 0x12A8, 0x02AA, 0x0AA8,
0x02AC, 0x06A8, 0x02B1, 0x11A8, 0x02B2, 0x09A8, 0x02B4, 0x05A8, 0x02B8, 0x03A8,
0x02C3, 0x1868, 0x02C5, 0x1468, 0x02C6, 0x0C68, 0x02C9, 0x1268, 0x02CA, 0x0A68,
0x02CC, 0x0668, 0x02D1, 0x1168, 0x02D2, 0x0968, 0x02D4, 0x0568, 0x02D8, 0x0368,
0x02E1, 0x10E8, 0x02E2, 0x08E8, 0x02E4, 0x04E8, 0x0307, 0x1C18, 0x030B, 0x1A18,
0x030D, 0x1618, 0x030E, 0x0E18, 0x0313, 0x1918, 0x0315, 0x1518, 0x0316, 0x0D18,
0x0319, 0x1318, 0x031A, 0x0B18, 0x031C, 0x0718, 0x0323, 0x1898, 0x0325, 0x1498,
0x0326, 0x0C98, 0x0329, 0x1298, 0x032A, 0x0A98, 0x032C, 0x0698, 0x0331, 0x1198,
0x0332, 0x0998, 0x0334, 0x0598, 0x0338, 0x0398, 0x0343, 0x1858, 0x0345, 0x1458,
0x0346, 0x0C58, 0x0349, 0x1258, 0x034A, 0x0A58, 0x034C, 0x0658, 0x0351, 0x1158,
0x0352, 0x0958, 0x0354, 0x0558, 0x0361, 0x10D8, 0x0362, 0x08D8, 0x0364, 0x04D8,
0x0383, 0x1838, 0x0385, 0x1438, 0x0386, 0x0C38, 0x0389, 0x1238, 0x038A, 0x0A38,
0x038C, 0x0638, 0x0391, 0x1138, 0x0392, 0x0938, 0x0394, 0x0538, 0x03A1, 0x10B8,
0x03A2, 0x08B8, 0x03A4, 0x04B8, 0x03C1, 0x1078, 0x03C2, 0x0878, 0x03C4, 0x0478,
0x040F, 0x1E04, 0x0417, 0x1D04, 0x041B, 0x1B04, 0x041D, 0x1704, 0x041E, 0x0F04,
0x0427, 0x1C84, 0x042B, 0x1A84, 0x042D, 0x1684, 0x042E, 0x0E84, 0x0433, 0x1984,
0x0435, 0x1584, 0x0436, 0x0D84, 0x0439, 0x1384, 0x043A, 0x0B84, 0x043C, 0x0784,
0x0447, 0x1C44, 0x044B, 0x1A44, 0x044D, 0x1644, 0x044E, 0x0E44, 0x0453, 0x1944,
0x0455, 0x1544, 0x0456, 0x0D44, 0x0459, 0x1344, 0x045A, 0x0B44, 0x045C, 0x0744,
0x0463, 0x18C4, 0x0465, 0x14C4, 0x0466, 0x0CC4, 0x0469, 0x12C4, 0x046A, 0x0AC4,
0x046C, 0x06C4, 0x0471, 0x11C4, 0x0472, 0x09C4, 0x0474, 0x05C4, 0x0487, 0x1C24,
0x048B, 0x1A24, 0x048D, 0x1624, 0x048E, 0x0E24, 0x0493, 0x1924, 0x0495, 0x1524,
0x0496, 0x0D24, 0x0499, 0x1324, 0x049A, 0x0B24, 0x049C, 0x0724, 0x04A3, 0x18A4,
0x04A5, 0x14A4, 0x04A6, 0x0CA4, 0x04A9, 0x12A4, 0x04AA, 0x0AA4, 0x04AC, 0x06A4,
0x04B1, 0x11A4, 0x04B2, 0x09A4, 0x04B4, 0x05A4, 0x04C3, 0x1864, 0x04C5, 0x1464,
0x04C6, 0x0C64, 0x04C9, 0x1264, 0x04CA, 0x0A64, 0x04CC, 0x0664, 0x04D1, 0x1164,
0x04D2, 0x0964, 0x04D4, 0x0564, 0x04E1, 0x10E4, 0x04E2, 0x08E4, 0x0507, 0x1C14,
0x050B, 0x1A14, 0x050D, 0x1614, 0x050E, 0x0E14, 0x0513, 0x1914, 0x0515, 0x1514,
0x0516, 0x0D14, 0x0519, 0x1314, 0x051A, 0x0B14, 0x051C, 0x0714, 0x0523, 0x1894,
0x0525, 0x1494, 0x0526, 0x0C94, 0x0529, 0x1294, 0x052A, 0x0A94, 0x052C, 0x0694,
0x0531, 0x1194, 0x0532, 0x0994, 0x0534, 0x0594, 0x0543, 0x1854, 0x0545, 0x1454,
0x0546, 0x0C54, 0x0549, 0x1254, 0x054A, 0x0A54, 0x054C, 0x0654, 0x0551, 0x1154,
0x0552, 0x0954, 0x0561, 0x10D4, 0x0562, 0x08D4, 0x0583, 0x1834, 0x0585, 0x1434,
0x0586, 0x0C34, 0x0589, 0x1234, 0x058A, 0x0A34, 0x058C, 0x0634, 0x0591, 0x1134,
0x0592, 0x0934, 0x05A1, 0x10B4, 0x05A2, 0x08B4, 0x05C1, 0x1074, 0x05C2, 0x0874,
0x0607, 0x1C0C, 0x060B, 0x1A0C, 0x060D, 0x160C, 0x060E, 0x0E0C, 0x0613, 0x190C,
0x0615, 0x150C, 0x0616, 0x0D0C, 0x0619, 0x130C, 0x061A, 0x0B0C, 0x061C, 0x070C,
0x0623, 0x188C, 0x0625, 0x148C, 0x0626, 0x0C8C, 0x0629, 0x128C, 0x062A, 0x0A8C,
0x062C, 0x068C, 0x0631, 0x118C, 0x0632, 0x098C, 0x0643, 0x184C, 0x0645, 0x144C,
0x0646, 0x0C4C, 0x0649, 0x124C, 0x064A, 0x0A4C, 0x0651, 0x114C, 0x0652, 0x094C,
0x0661, 0x10CC, 0x0662, 0x08CC, 0x0683, 0x182C, 0x0685, 0x142C, 0x0686, 0x0C2C,
0x0689, 0x122C, 0x068A, 0x0A2C, 0x0691, 0x112C, 0x0692, 0x092C, 0x06A1, 0x10AC,
0x06A2, 0x08AC, 0x06C1, 0x106C, 0x06C2, 0x086C, 0x0703, 0x181C, 0x0705, 0x141C,
0x0706, 0x0C1C, 0x0709, 0x121C, 0x070A, 0x0A1C, 0x0711, 0x111C, 0x0712, 0x091C,
0x0721, 0x109C, 0x0722, 0x089C, 0x0741, 0x105C, 0x0742, 0x085C, 0x0781, 0x103C,
0x0782, 0x083C, 0x080F, 0x1E02, 0x0817, 0x1D02, 0x081B, 0x1B02, 0x081D, 0x1702,
0x081E, 0x0F02, 0x0827, 0x1C82, 0x082B, 0x1A82, 0x082D, 0x1682, 0x082E, 0x0E82,
0x0833, 0x1982, 0x0835, 0x1582, 0x0836, 0x0D82, 0x0839, 0x1382, 0x083A, 0x0B82,
0x0847, 0x1C42, 0x084B, 0x1A42, 0x084D, 0x1642, 0x084E, 0x0E42, 0x0853, 0x1942,
0x0855, 0x1542, 0x0856, 0x0D42, 0x0859, 0x1342, 0x085A, 0x0B42, 0x0863, 0x18C2,
0x0865, 0x14C2, 0x0866, 0x0CC2, 0x0869, 0x12C2, 0x086A, 0x0AC2, 0x0871, 0x11C2,
0x0872, 0x09C2, 0x0887, 0x1C22, 0x088B, 0x1A22, 0x088D, 0x1622, 0x088E, 0x0E22,
0x0893, 0x1922, 0x0895, 0x1522, 0x0896, 0x0D22, 0x0899, 0x1322, 0x089A, 0x0B22,
0x08A3, 0x18A2, 0x08A5, 0x14A2, 0x08A6, 0x0CA2, 0x08A9, 0x12A2, 0x08AA, 0x0AA2,
0x08B1, 0x11A2, 0x08B2, 0x09A2, 0x08C3, 0x1862, 0x08C5, 0x1462, 0x08C6, 0x0C62,
0x08C9, 0x1262, 0x08CA, 0x0A62, 0x08D1, 0x1162, 0x08D2, 0x0962, 0x08E1, 0x10E2,
0x0907, 0x1C12, 0x090B, 0x1A12, 0x090D, 0x1612, 0x090E, 0x0E12, 0x0913, 0x1912,
0x0915, 0x1512, 0x0916, 0x0D12, 0x0919, 0x1312, 0x091A, 0x0B12, 0x0923, 0x1892,
0x0925, 0x1492, 0x0926, 0x0C92, 0x0929, 0x1292, 0x092A, 0x0A92, 0x0931, 0x1192,
0x0932, 0x0992, 0x0943, 0x1852, 0x0945, 0x1452, 0x0946, 0x0C52, 0x0949, 0x1252,
0x094A, 0x0A52, 0x0951, 0x1152, 0x0961, 0x10D2, 0x0983, 0x1832, 0x0985, 0x1432,
0x0986, 0x0C32, 0x0989, 0x1232, 0x098A, 0x0A32, 0x0991, 0x1132, 0x09A1, 0x10B2,
0x09C1, 0x1072, 0x0A07, 0x1C0A, 0x0A0B, 0x1A0A, 0x0A0D, 0x160A, 0x0A0E, 0x0E0A,
0x0A13, 0x190A, 0x0A15, 0x150A, 0x0A16, 0x0D0A, 0x0A19, 0x130A, 0x0A1A, 0x0B0A,
0x0A23, 0x188A, 0x0A25, 0x148A, 0x0A26, 0x0C8A, 0x0A29, 0x128A, 0x0A2A, 0x0A8A,
0x0A31, 0x118A, 0x0A43, 0x184A, 0x0A45, 0x144A, 0x0A46, 0x0C4A, 0x0A49, 0x124A,
0x0A51, 0x114A, 0x0A61, 0x10CA, 0x0A83, 0x182A, 0x0A85, 0x142A, 0x0A86, 0x0C2A,
0x0A89, 0x122A, 0x0A91, 0x112A, 0x0AA1, 0x10AA, 0x0AC1, 0x106A, 0x0B03, 0x181A,
0x0B05, 0x141A, 0x0B06, 0x0C1A, 0x0B09, 0x121A, 0x0B11, 0x111A, 0x0B21, 0x109A,
0x0B41, 0x105A, 0x0B81, 0x103A, 0x0C07, 0x1C06, 0x0C0B, 0x1A06, 0x0C0D, 0x1606,
0x0C0E, 0x0E06, 0x0C13, 0x1906, 0x0C15, 0x1506, 0x0C16, 0x0D06, 0x0C19, 0x1306,
0x0C23, 0x1886, 0x0C25, 0x1486, 0x0C26, 0x0C86, 0x0C29, 0x1286, 0x0C31, 0x1186,
0x0C43, 0x1846, 0x0C45, 0x1446, 0x0C49, 0x1246, 0x0C51, 0x1146, 0x0C61, 0x10C6,
0x0C83, 0x1826, 0x0C85, 0x1426, 0x0C89, 0x1226, 0x0C91, 0x1126, 0x0CA1, 0x10A6,
0x0CC1, 0x1066, 0x0D03, 0x1816, 0x0D05, 0x1416, 0x0D09, 0x1216, 0x0D11, 0x1116,
0x0D21, 0x1096, 0x0D41, 0x1056, 0x0D81, 0x1036, 0x0E03, 0x180E, 0x0E05, 0x140E,
0x0E09, 0x120E, 0x0E11, 0x110E, 0x0E21, 0x108E, 0x0E41, 0x104E, 0x0E81, 0x102E,
0x0F01, 0x101E, 0x100F, 0x1E01, 0x1017, 0x1D01, 0x101B, 0x1B01, 0x101D, 0x1701,
0x1027, 0x1C81, 0x102B, 0x1A81, 0x102D, 0x1681, 0x1033, 0x1981, 0x1035, 0x1581,
0x1039, 0x1381, 0x1047, 0x1C41, 0x104B, 0x1A41, 0x104D, 0x1641, 0x1053, 0x1941,
0x1055, 0x1541, 0x1059, 0x1341, 0x1063, 0x18C1, 0x1065, 0x14C1, 0x1069, 0x12C1,
0x1071, 0x11C1, 0x1087, 0x1C21, 0x108B, 0x1A21, 0x108D, 0x1621, 0x1093, 0x1921,
0x1095, 0x1521, 0x1099, 0x1321, 0x10A3, 0x18A1, 0x10A5, 0x14A1, 0x10A9, 0x12A1,
0x10B1, 0x11A1, 0x10C3, 0x1861, 0x10C5, 0x1461, 0x10C9, 0x1261, 0x10D1, 0x1161,
0x1107, 0x1C11, 0x110B, 0x1A11, 0x110D, 0x1611, 0x1113, 0x1911, 0x1115, 0x1511,
0x1119, 0x1311, 0x1123, 0x1891, 0x1125, 0x1491, 0x1129, 0x1291, 0x1131, 0x1191,
0x1143, 0x1851, 0x1145, 0x1451, 0x1149, 0x1251, 0x1183, 0x1831, 0x1185, 0x1431,
0x1189, 0x1231, 0x1207, 0x1C09, 0x120B, 0x1A09, 0x120D, 0x1609, 0x1213, 0x1909,
0x1215, 0x1509, 0x1219, 0x1309, 0x1223, 0x1889, 0x1225, 0x1489, 0x1229, 0x1289,
0x1243, 0x1849, 0x1245, 0x1449, 0x1283, 0x1829, 0x1285, 0x1429, 0x1303, 0x1819,
0x1305, 0x1419, 0x1407, 0x1C05, 0x140B, 0x1A05, 0x140D, 0x1605, 0x1413, 0x1905,
0x1415, 0x1505, 0x1423, 0x1885, 0x1425, 0x1485, 0x1443, 0x1845, 0x1483, 0x1825,
0x1503, 0x1815, 0x1603, 0x180D, 0x1807, 0x1C03, 0x180B, 0x1A03, 0x1813, 0x1903,
0x1823, 0x1883, 0x1843, 0x1445, 0x1249, 0x1151, 0x10E1, 0x0C46, 0x0A4A, 0x0952,
0x08E2, 0x064C, 0x0554, 0x04E4, 0x0358, 0x02E8, 0x01F0 };
static unsigned short AppxD_II[78] = { /* Appendix D Table II - 2 of 13 characters */
0x0003, 0x1800, 0x0005, 0x1400, 0x0006, 0x0C00, 0x0009, 0x1200, 0x000A, 0x0A00,
0x000C, 0x0600, 0x0011, 0x1100, 0x0012, 0x0900, 0x0014, 0x0500, 0x0018, 0x0300,
0x0021, 0x1080, 0x0022, 0x0880, 0x0024, 0x0480, 0x0028, 0x0280, 0x0030, 0x0180,
0x0041, 0x1040, 0x0042, 0x0840, 0x0044, 0x0440, 0x0048, 0x0240, 0x0050, 0x0140,
0x0060, 0x00C0, 0x0081, 0x1020, 0x0082, 0x0820, 0x0084, 0x0420, 0x0088, 0x0220,
0x0090, 0x0120, 0x0101, 0x1010, 0x0102, 0x0810, 0x0104, 0x0410, 0x0108, 0x0210,
0x0201, 0x1008, 0x0202, 0x0808, 0x0204, 0x0408, 0x0401, 0x1004, 0x0402, 0x0804,
0x0801, 0x1002, 0x1001, 0x0802, 0x0404, 0x0208, 0x0110, 0x00A0 };
static int AppxD_IV[130] = { /* Appendix D Table IV - Bar-to-Character Mapping (reverse lookup) */
67, 6, 78, 16, 86, 95, 34, 40, 45, 113, 117, 121, 62, 87, 18, 104, 41, 76, 57, 119, 115, 72, 97,
2, 127, 26, 105, 35, 122, 52, 114, 7, 24, 82, 68, 63, 94, 44, 77, 112, 70, 100, 39, 30, 107,
15, 125, 85, 10, 65, 54, 88, 20, 106, 46, 66, 8, 116, 29, 61, 99, 80, 90, 37, 123, 51, 25, 84,
129, 56, 4, 109, 96, 28, 36, 47, 11, 71, 33, 102, 21, 9, 17, 49, 124, 79, 64, 91, 42, 69, 53,
60, 14, 1, 27, 103, 126, 75, 89, 50, 120, 19, 32, 110, 92, 111, 130, 59, 31, 12, 81, 43, 55,
5, 74, 22, 101, 128, 58, 118, 48, 108, 38, 98, 93, 23, 83, 13, 73, 3 };
/***************************************************************************
** USPS_MSB_Math_CRC11GenerateFrameCheckSequence
**
** Inputs:
** ByteAttayPtr is the address of a 13 byte array holding 102 bytes which
** are right justified - ie: the leftmost 2 bits of the first byte do not
** hold data and must be set to zero.
**
** Outputs:
** return unsigned short - 11 bit Frame Check Sequence (right justified)
***************************************************************************/
extern unsigned short
USPS_MSB_Math_CRC11GenerateFrameCheckSequence( unsigned char *ByteArrayPtr )
{
unsigned short GeneratorPolynomial = 0x0F35;
unsigned short FrameCheckSequence = 0x07FF;
unsigned short Data;
int ByteIndex, Bit;
/* Do most significant byte skipping the 2 most significant bits */
Data = *ByteArrayPtr << 5;
ByteArrayPtr++;
for ( Bit = 2; Bit < 8; Bit++ )
{
if ( (FrameCheckSequence ^ Data) & 0x400 )
FrameCheckSequence = (FrameCheckSequence << 1) ^ GeneratorPolynomial;
else
FrameCheckSequence = (FrameCheckSequence << 1);
FrameCheckSequence &= 0x7FF;
Data <<= 1;
}
/* Do rest of the bytes */
for ( ByteIndex = 1; ByteIndex < 13; ByteIndex++ )
{
Data = *ByteArrayPtr << 3;
ByteArrayPtr++;
for ( Bit = 0; Bit < 8; Bit++ )
{
if ( (FrameCheckSequence ^ Data) & 0x0400 ) {
FrameCheckSequence = (FrameCheckSequence << 1) ^ GeneratorPolynomial;
} else {
FrameCheckSequence = (FrameCheckSequence << 1);
}
FrameCheckSequence &= 0x7FF;
Data <<= 1;
}
}
return FrameCheckSequence;
}
void breakup(short int fcs_bit[], unsigned short usps_crc)
{
int i;
for(i = 0; i < 13; i++) {
fcs_bit[i] = 0;
}
if(usps_crc >= 4096) {
fcs_bit[12] = 1;
usps_crc -= 4096;
}
if(usps_crc >= 2048) {
fcs_bit[11] = 1;
usps_crc -= 2048;
}
if(usps_crc >= 1024) {
fcs_bit[10] = 1;
usps_crc -= 1024;
}
if(usps_crc >= 512) {
fcs_bit[9] = 1;
usps_crc -= 512;
}
if(usps_crc >= 256) {
fcs_bit[8] = 1;
usps_crc -= 256;
}
if(usps_crc >= 128) {
fcs_bit[7] = 1;
usps_crc -= 128;
}
if(usps_crc >= 64) {
fcs_bit[6] = 1;
usps_crc -= 64;
}
if(usps_crc >= 32) {
fcs_bit[5] = 1;
usps_crc -= 32;
}
if(usps_crc >= 16) {
fcs_bit[4] = 1;
usps_crc -= 16;
}
if(usps_crc >= 8) {
fcs_bit[3] = 1;
usps_crc -= 8;
}
if(usps_crc >= 4) {
fcs_bit[2] = 1;
usps_crc -= 4;
}
if(usps_crc >= 2) {
fcs_bit[1] = 1;
usps_crc -= 2;
}
if(usps_crc == 1) {
fcs_bit[0] = 1;
}
}
int imail(struct zint_symbol *symbol, unsigned char source[], int length)
{
char data_pattern[200];
int error_number;
int i, j, read;
char zip[35], tracker[35], zip_adder[11], temp[2];
short int accum[112], x_reg[112], y_reg[112];
unsigned char byte_array[13];
unsigned short usps_crc;
int codeword[10];
unsigned short characters[10];
short int bit_pattern[13], bar_map[130];
error_number = 0;
if(length > 32) {
strcpy(symbol->errtxt, "Input too long");
return ERROR_TOO_LONG;
}
error_number = is_sane(SODIUM, source, length);
if(error_number == ERROR_INVALID_DATA) {
strcpy(symbol->errtxt, "Invalid characters in data");
return error_number;
}
strcpy(zip, "");
strcpy(tracker, "");
/* separate the tracking code from the routing code */
read = 0;
j = 0;
for(i = 0; i < length; i++) {
if(source[i] == '-') {
tracker[read] = '\0';
j = 1;
read = 0;
} else {
if(j == 0) {
/* reading tracker */
tracker[read] = source[i];
read++;
} else {
/* reading zip code */
zip[read] = source[i];
read++;
}
}
}
if(j == 0) {
tracker[read] = '\0';
} else {
zip[read] = '\0';
}
if(strlen(tracker) != 20) {
strcpy(symbol->errtxt, "Invalid length tracking code");
return ERROR_INVALID_DATA;
}
if(strlen(zip) > 11) {
strcpy(symbol->errtxt, "Invalid ZIP code");
return ERROR_INVALID_DATA;
}
/* *** Step 1 - Conversion of Data Fields into Binary Data *** */
/* Routing code first */
for(i = 0; i < 112; i++) {
accum[i] = 0;
}
for(read = 0; read < strlen(zip); read++) {
for(i = 0; i < 112; i++) {
x_reg[i] = accum[i];
}
for(i = 0; i < 9; i++) {
binary_add(accum, x_reg);
}
x_reg[0] = BCD[ctoi(zip[read]) * 4];
x_reg[1] = BCD[(ctoi(zip[read]) * 4) + 1];
x_reg[2] = BCD[(ctoi(zip[read]) * 4) + 2];
x_reg[3] = BCD[(ctoi(zip[read]) * 4) + 3];
for(i = 4; i < 112; i++) {
x_reg[i] = 0;
}
binary_add(accum, x_reg);
}
/* add weight to routing code */
for(i = 0; i < 112; i++) {
x_reg[i] = accum[i];
}
if(strlen(zip) > 9) {
strcpy(zip_adder, "1000100001");
} else {
if(strlen(zip) > 5) {
strcpy(zip_adder, "100001");
} else {
if(strlen(zip) > 0) {
strcpy(zip_adder, "1");
} else {
strcpy(zip_adder, "0");
}
}
}
for(i = 0; i < 112; i++) {
accum[i] = 0;
}
for(read = 0; read < strlen(zip_adder); read++) {
for(i = 0; i < 112; i++) {
y_reg[i] = accum[i];
}
for(i = 0; i < 9; i++) {
binary_add(accum, y_reg);
}
y_reg[0] = BCD[ctoi(zip_adder[read]) * 4];
y_reg[1] = BCD[(ctoi(zip_adder[read]) * 4) + 1];
y_reg[2] = BCD[(ctoi(zip_adder[read]) * 4) + 2];
y_reg[3] = BCD[(ctoi(zip_adder[read]) * 4) + 3];
for(i = 4; i < 112; i++) {
y_reg[i] = 0;
}
binary_add(accum, y_reg);
}
binary_add(accum, x_reg);
/* tracking code */
/* multiply by 10 */
for(i = 0; i < 112; i++) {
y_reg[i] = accum[i];
}
for(i = 0; i < 9; i++) {
binary_add(accum, y_reg);
}
/* add first digit of tracker */
y_reg[0] = BCD[ctoi(tracker[0]) * 4];
y_reg[1] = BCD[(ctoi(tracker[0]) * 4) + 1];
y_reg[2] = BCD[(ctoi(tracker[0]) * 4) + 2];
y_reg[3] = BCD[(ctoi(tracker[0]) * 4) + 3];
for(i = 4; i < 112; i++) {
y_reg[i] = 0;
}
binary_add(accum, y_reg);
/* multiply by 5 */
for(i = 0; i < 112; i++) {
y_reg[i] = accum[i];
}
for(i = 0; i < 4; i++) {
binary_add(accum, y_reg);
}
/* add second digit */
y_reg[0] = BCD[ctoi(tracker[1]) * 4];
y_reg[1] = BCD[(ctoi(tracker[1]) * 4) + 1];
y_reg[2] = BCD[(ctoi(tracker[1]) * 4) + 2];
y_reg[3] = BCD[(ctoi(tracker[1]) * 4) + 3];
for(i = 4; i < 112; i++) {
y_reg[i] = 0;
}
binary_add(accum, y_reg);
/* and then the rest */
for(read = 2; read < strlen(tracker); read++) {
for(i = 0; i < 112; i++) {
y_reg[i] = accum[i];
}
for(i = 0; i < 9; i++) {
binary_add(accum, y_reg);
}
y_reg[0] = BCD[ctoi(tracker[read]) * 4];
y_reg[1] = BCD[(ctoi(tracker[read]) * 4) + 1];
y_reg[2] = BCD[(ctoi(tracker[read]) * 4) + 2];
y_reg[3] = BCD[(ctoi(tracker[read]) * 4) + 3];
for(i = 4; i < 112; i++) {
y_reg[i] = 0;
}
binary_add(accum, y_reg);
}
/* printf("Binary data 1: ");
hex_dump(accum); */
/* *** Step 2 - Generation of 11-bit CRC on Binary Data *** */
accum[103] = 0;
accum[102] = 0;
memset(byte_array, 0, 13);
for(j = 0; j < 13; j++) {
i = 96 - (8 * j);
byte_array[j] = 0;
byte_array[j] += accum[i];
byte_array[j] += 2 * accum[i + 1];
byte_array[j] += 4 * accum[i + 2];
byte_array[j] += 8 * accum[i + 3];
byte_array[j] += 16 * accum[i + 4];
byte_array[j] += 32 * accum[i + 5];
byte_array[j] += 64 * accum[i + 6];
byte_array[j] += 128 * accum[i + 7];
}
usps_crc = USPS_MSB_Math_CRC11GenerateFrameCheckSequence(byte_array);
/* printf("FCS 2: %4.4X\n", usps_crc); */
/* *** Step 3 - Conversion from Binary Data to Codewords *** */
/* start with codeword J which is base 636 */
for(i = 0; i < 112; i++) {
x_reg[i] = 0;
y_reg[i] = 0;
}
x_reg[101] = 1;
x_reg[98] = 1;
x_reg[97] = 1;
x_reg[96] = 1;
x_reg[95] = 1;
x_reg[94] = 1;
for(i = 92; i >= 0; i--) {
y_reg[i] = islarger(accum, x_reg);
if(y_reg[i] == 1) {
binary_subtract(accum, x_reg);
}
shiftdown(x_reg);
}
codeword[9] = (accum[9] * 512) + (accum[8] * 256) + (accum[7] * 128) + (accum[6] * 64) +
(accum[5] * 32) + (accum[4] * 16) + (accum[3] * 8) + (accum[2] * 4) +
(accum[1] * 2) + accum[0];
/* then codewords I to B with base 1365 */
for(j = 8; j > 0; j--) {
for(i = 0; i < 112; i++) {
accum[i] = y_reg[i];
y_reg[i] = 0;
x_reg[i] = 0;
}
x_reg[101] = 1;
x_reg[99] = 1;
x_reg[97] = 1;
x_reg[95] = 1;
x_reg[93] = 1;
x_reg[91] = 1;
for(i = 91; i >= 0; i--) {
y_reg[i] = islarger(accum, x_reg);
if(y_reg[i] == 1) {
binary_subtract(accum, x_reg);
}
shiftdown(x_reg);
}
codeword[j] = (accum[10] * 1024) + (accum[9] * 512) + (accum[8] * 256) +
(accum[7] * 128) + (accum[6] * 64) + (accum[5] * 32) +
(accum[4] * 16) + (accum[3] * 8) + (accum[2] * 4) +
(accum[1] * 2) + accum[0];
}
codeword[0] = (y_reg[10] * 1024) + (y_reg[9] * 512) + (y_reg[8] * 256) +
(y_reg[7] * 128) + (y_reg[6] * 64) + (y_reg[5] * 32) +
(y_reg[4] * 16) + (y_reg[3] * 8) + (y_reg[2] * 4) +
(y_reg[1] * 2) + y_reg[0];
for(i = 0; i < 8; i++) {
if(codeword[i] == 1365) {
codeword[i] = 0;
codeword[i + 1]++;
}
}
/* printf("Codewords 3: ");
for(i = 0; i < 10; i++) {
printf("%d ", codeword[i]);
}
printf("\n"); */
/* *** Step 4 - Inserting Additional Information into Codewords *** */
codeword[9] = codeword[9] * 2;
if(usps_crc >= 1024) {
codeword[0] += 659;
}
/* printf("Codewords 4b: ");
for(i = 0; i < 10; i++) {
printf("%d ", codeword[i]);
}
printf("\n"); */
/* *** Step 5 - Conversion from Codewords to Characters *** */
for(i = 0; i < 10; i++) {
if(codeword[i] < 1287) {
characters[i] = AppxD_I[codeword[i]];
} else {
characters[i] = AppxD_II[codeword[i] - 1287];
}
}
/* printf("Characters 5a: ");
for(i = 0; i < 10; i++) {
printf("%4.4X ", characters[i]);
}
printf("\n"); */
breakup(bit_pattern, usps_crc);
for(i = 0; i < 10; i++) {
if(bit_pattern[i] == 1) {
characters[i] = 0x1FFF - characters[i];
}
}
/* printf("Characters 5b: ");
for(i = 0; i < 10; i++) {
printf("%4.4X ", characters[i]);
}
printf("\n"); */
/* *** Step 6 - Conversion from Characters to the Intelligent Mail Barcode *** */
for(i = 0; i < 10; i++) {
breakup(bit_pattern, characters[i]);
for(j = 0; j < 13; j++) {
bar_map[AppxD_IV[(13 * i) + j] - 1] = bit_pattern[j];
}
}
strcpy(data_pattern, "");
temp[1] = '\0';
for(i = 0; i < 65; i++) {
j = 0;
if(bar_map[i] == 0)
j += 1;
if(bar_map[i + 65] == 0)
j += 2;
temp[0] = itoc(j);
concat(data_pattern, temp);
}
/* Translate 4-state data pattern to symbol */
read = 0;
for(i = 0; i < strlen(data_pattern); i++)
{
if((data_pattern[i] == '1') || (data_pattern[i] == '0'))
{
set_module(symbol, 0, read);
}
set_module(symbol, 1, read);
if((data_pattern[i] == '2') || (data_pattern[i] == '0'))
{
set_module(symbol, 2, read);
}
read += 2;
}
symbol->row_height[0] = 3;
symbol->row_height[1] = 2;
symbol->row_height[2] = 3;
symbol->rows = 3;
symbol->width = read - 1;
return error_number;
}
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