mirror of
https://github.com/kwsch/PKHeX
synced 2024-11-24 21:13:05 +00:00
cce7f34f05
simplify out the floor operations while we're at it should have been a func array in the base lib but whatever ;)
1350 lines
64 KiB
C#
1350 lines
64 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Collections;
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// From: https://github.com/codebude/QRCoder
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namespace QRCoder
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{
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public class QRCodeGenerator : IDisposable
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{
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private char[] alphanumEncTable = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', ' ', '$', '%', '*', '+', '-', '.', '/', ':' };
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private int[] capacityBaseValues = { 41, 25, 17, 10, 34, 20, 14, 8, 27, 16, 11, 7, 17, 10, 7, 4, 77, 47, 32, 20, 63, 38, 26, 16, 48, 29, 20, 12, 34, 20, 14, 8, 127, 77, 53, 32, 101, 61, 42, 26, 77, 47, 32, 20, 58, 35, 24, 15, 187, 114, 78, 48, 149, 90, 62, 38, 111, 67, 46, 28, 82, 50, 34, 21, 255, 154, 106, 65, 202, 122, 84, 52, 144, 87, 60, 37, 106, 64, 44, 27, 322, 195, 134, 82, 255, 154, 106, 65, 178, 108, 74, 45, 139, 84, 58, 36, 370, 224, 154, 95, 293, 178, 122, 75, 207, 125, 86, 53, 154, 93, 64, 39, 461, 279, 192, 118, 365, 221, 152, 93, 259, 157, 108, 66, 202, 122, 84, 52, 552, 335, 230, 141, 432, 262, 180, 111, 312, 189, 130, 80, 235, 143, 98, 60, 652, 395, 271, 167, 513, 311, 213, 131, 364, 221, 151, 93, 288, 174, 119, 74, 772, 468, 321, 198, 604, 366, 251, 155, 427, 259, 177, 109, 331, 200, 137, 85, 883, 535, 367, 226, 691, 419, 287, 177, 489, 296, 203, 125, 374, 227, 155, 96, 1022, 619, 425, 262, 796, 483, 331, 204, 580, 352, 241, 149, 427, 259, 177, 109, 1101, 667, 458, 282, 871, 528, 362, 223, 621, 376, 258, 159, 468, 283, 194, 120, 1250, 758, 520, 320, 991, 600, 412, 254, 703, 426, 292, 180, 530, 321, 220, 136, 1408, 854, 586, 361, 1082, 656, 450, 277, 775, 470, 322, 198, 602, 365, 250, 154, 1548, 938, 644, 397, 1212, 734, 504, 310, 876, 531, 364, 224, 674, 408, 280, 173, 1725, 1046, 718, 442, 1346, 816, 560, 345, 948, 574, 394, 243, 746, 452, 310, 191, 1903, 1153, 792, 488, 1500, 909, 624, 384, 1063, 644, 442, 272, 813, 493, 338, 208, 2061, 1249, 858, 528, 1600, 970, 666, 410, 1159, 702, 482, 297, 919, 557, 382, 235, 2232, 1352, 929, 572, 1708, 1035, 711, 438, 1224, 742, 509, 314, 969, 587, 403, 248, 2409, 1460, 1003, 618, 1872, 1134, 779, 480, 1358, 823, 565, 348, 1056, 640, 439, 270, 2620, 1588, 1091, 672, 2059, 1248, 857, 528, 1468, 890, 611, 376, 1108, 672, 461, 284, 2812, 1704, 1171, 721, 2188, 1326, 911, 561, 1588, 963, 661, 407, 1228, 744, 511, 315, 3057, 1853, 1273, 784, 2395, 1451, 997, 614, 1718, 1041, 715, 440, 1286, 779, 535, 330, 3283, 1990, 1367, 842, 2544, 1542, 1059, 652, 1804, 1094, 751, 462, 1425, 864, 593, 365, 3517, 2132, 1465, 902, 2701, 1637, 1125, 692, 1933, 1172, 805, 496, 1501, 910, 625, 385, 3669, 2223, 1528, 940, 2857, 1732, 1190, 732, 2085, 1263, 868, 534, 1581, 958, 658, 405, 3909, 2369, 1628, 1002, 3035, 1839, 1264, 778, 2181, 1322, 908, 559, 1677, 1016, 698, 430, 4158, 2520, 1732, 1066, 3289, 1994, 1370, 843, 2358, 1429, 982, 604, 1782, 1080, 742, 457, 4417, 2677, 1840, 1132, 3486, 2113, 1452, 894, 2473, 1499, 1030, 634, 1897, 1150, 790, 486, 4686, 2840, 1952, 1201, 3693, 2238, 1538, 947, 2670, 1618, 1112, 684, 2022, 1226, 842, 518, 4965, 3009, 2068, 1273, 3909, 2369, 1628, 1002, 2805, 1700, 1168, 719, 2157, 1307, 898, 553, 5253, 3183, 2188, 1347, 4134, 2506, 1722, 1060, 2949, 1787, 1228, 756, 2301, 1394, 958, 590, 5529, 3351, 2303, 1417, 4343, 2632, 1809, 1113, 3081, 1867, 1283, 790, 2361, 1431, 983, 605, 5836, 3537, 2431, 1496, 4588, 2780, 1911, 1176, 3244, 1966, 1351, 832, 2524, 1530, 1051, 647, 6153, 3729, 2563, 1577, 4775, 2894, 1989, 1224, 3417, 2071, 1423, 876, 2625, 1591, 1093, 673, 6479, 3927, 2699, 1661, 5039, 3054, 2099, 1292, 3599, 2181, 1499, 923, 2735, 1658, 1139, 701, 6743, 4087, 2809, 1729, 5313, 3220, 2213, 1362, 3791, 2298, 1579, 972, 2927, 1774, 1219, 750, 7089, 4296, 2953, 1817, 5596, 3391, 2331, 1435, 3993, 2420, 1663, 1024, 3057, 1852, 1273, 784 };
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private int[] capacityECCBaseValues = { 19, 7, 1, 19, 0, 0, 16, 10, 1, 16, 0, 0, 13, 13, 1, 13, 0, 0, 9, 17, 1, 9, 0, 0, 34, 10, 1, 34, 0, 0, 28, 16, 1, 28, 0, 0, 22, 22, 1, 22, 0, 0, 16, 28, 1, 16, 0, 0, 55, 15, 1, 55, 0, 0, 44, 26, 1, 44, 0, 0, 34, 18, 2, 17, 0, 0, 26, 22, 2, 13, 0, 0, 80, 20, 1, 80, 0, 0, 64, 18, 2, 32, 0, 0, 48, 26, 2, 24, 0, 0, 36, 16, 4, 9, 0, 0, 108, 26, 1, 108, 0, 0, 86, 24, 2, 43, 0, 0, 62, 18, 2, 15, 2, 16, 46, 22, 2, 11, 2, 12, 136, 18, 2, 68, 0, 0, 108, 16, 4, 27, 0, 0, 76, 24, 4, 19, 0, 0, 60, 28, 4, 15, 0, 0, 156, 20, 2, 78, 0, 0, 124, 18, 4, 31, 0, 0, 88, 18, 2, 14, 4, 15, 66, 26, 4, 13, 1, 14, 194, 24, 2, 97, 0, 0, 154, 22, 2, 38, 2, 39, 110, 22, 4, 18, 2, 19, 86, 26, 4, 14, 2, 15, 232, 30, 2, 116, 0, 0, 182, 22, 3, 36, 2, 37, 132, 20, 4, 16, 4, 17, 100, 24, 4, 12, 4, 13, 274, 18, 2, 68, 2, 69, 216, 26, 4, 43, 1, 44, 154, 24, 6, 19, 2, 20, 122, 28, 6, 15, 2, 16, 324, 20, 4, 81, 0, 0, 254, 30, 1, 50, 4, 51, 180, 28, 4, 22, 4, 23, 140, 24, 3, 12, 8, 13, 370, 24, 2, 92, 2, 93, 290, 22, 6, 36, 2, 37, 206, 26, 4, 20, 6, 21, 158, 28, 7, 14, 4, 15, 428, 26, 4, 107, 0, 0, 334, 22, 8, 37, 1, 38, 244, 24, 8, 20, 4, 21, 180, 22, 12, 11, 4, 12, 461, 30, 3, 115, 1, 116, 365, 24, 4, 40, 5, 41, 261, 20, 11, 16, 5, 17, 197, 24, 11, 12, 5, 13, 523, 22, 5, 87, 1, 88, 415, 24, 5, 41, 5, 42, 295, 30, 5, 24, 7, 25, 223, 24, 11, 12, 7, 13, 589, 24, 5, 98, 1, 99, 453, 28, 7, 45, 3, 46, 325, 24, 15, 19, 2, 20, 253, 30, 3, 15, 13, 16, 647, 28, 1, 107, 5, 108, 507, 28, 10, 46, 1, 47, 367, 28, 1, 22, 15, 23, 283, 28, 2, 14, 17, 15, 721, 30, 5, 120, 1, 121, 563, 26, 9, 43, 4, 44, 397, 28, 17, 22, 1, 23, 313, 28, 2, 14, 19, 15, 795, 28, 3, 113, 4, 114, 627, 26, 3, 44, 11, 45, 445, 26, 17, 21, 4, 22, 341, 26, 9, 13, 16, 14, 861, 28, 3, 107, 5, 108, 669, 26, 3, 41, 13, 42, 485, 30, 15, 24, 5, 25, 385, 28, 15, 15, 10, 16, 932, 28, 4, 116, 4, 117, 714, 26, 17, 42, 0, 0, 512, 28, 17, 22, 6, 23, 406, 30, 19, 16, 6, 17, 1006, 28, 2, 111, 7, 112, 782, 28, 17, 46, 0, 0, 568, 30, 7, 24, 16, 25, 442, 24, 34, 13, 0, 0, 1094, 30, 4, 121, 5, 122, 860, 28, 4, 47, 14, 48, 614, 30, 11, 24, 14, 25, 464, 30, 16, 15, 14, 16, 1174, 30, 6, 117, 4, 118, 914, 28, 6, 45, 14, 46, 664, 30, 11, 24, 16, 25, 514, 30, 30, 16, 2, 17, 1276, 26, 8, 106, 4, 107, 1000, 28, 8, 47, 13, 48, 718, 30, 7, 24, 22, 25, 538, 30, 22, 15, 13, 16, 1370, 28, 10, 114, 2, 115, 1062, 28, 19, 46, 4, 47, 754, 28, 28, 22, 6, 23, 596, 30, 33, 16, 4, 17, 1468, 30, 8, 122, 4, 123, 1128, 28, 22, 45, 3, 46, 808, 30, 8, 23, 26, 24, 628, 30, 12, 15, 28, 16, 1531, 30, 3, 117, 10, 118, 1193, 28, 3, 45, 23, 46, 871, 30, 4, 24, 31, 25, 661, 30, 11, 15, 31, 16, 1631, 30, 7, 116, 7, 117, 1267, 28, 21, 45, 7, 46, 911, 30, 1, 23, 37, 24, 701, 30, 19, 15, 26, 16, 1735, 30, 5, 115, 10, 116, 1373, 28, 19, 47, 10, 48, 985, 30, 15, 24, 25, 25, 745, 30, 23, 15, 25, 16, 1843, 30, 13, 115, 3, 116, 1455, 28, 2, 46, 29, 47, 1033, 30, 42, 24, 1, 25, 793, 30, 23, 15, 28, 16, 1955, 30, 17, 115, 0, 0, 1541, 28, 10, 46, 23, 47, 1115, 30, 10, 24, 35, 25, 845, 30, 19, 15, 35, 16, 2071, 30, 17, 115, 1, 116, 1631, 28, 14, 46, 21, 47, 1171, 30, 29, 24, 19, 25, 901, 30, 11, 15, 46, 16, 2191, 30, 13, 115, 6, 116, 1725, 28, 14, 46, 23, 47, 1231, 30, 44, 24, 7, 25, 961, 30, 59, 16, 1, 17, 2306, 30, 12, 121, 7, 122, 1812, 28, 12, 47, 26, 48, 1286, 30, 39, 24, 14, 25, 986, 30, 22, 15, 41, 16, 2434, 30, 6, 121, 14, 122, 1914, 28, 6, 47, 34, 48, 1354, 30, 46, 24, 10, 25, 1054, 30, 2, 15, 64, 16, 2566, 30, 17, 122, 4, 123, 1992, 28, 29, 46, 14, 47, 1426, 30, 49, 24, 10, 25, 1096, 30, 24, 15, 46, 16, 2702, 30, 4, 122, 18, 123, 2102, 28, 13, 46, 32, 47, 1502, 30, 48, 24, 14, 25, 1142, 30, 42, 15, 32, 16, 2812, 30, 20, 117, 4, 118, 2216, 28, 40, 47, 7, 48, 1582, 30, 43, 24, 22, 25, 1222, 30, 10, 15, 67, 16, 2956, 30, 19, 118, 6, 119, 2334, 28, 18, 47, 31, 48, 1666, 30, 34, 24, 34, 25, 1276, 30, 20, 15, 61, 16 };
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private int[] alignmentPatternBaseValues = { 0, 0, 0, 0, 0, 0, 0, 6, 18, 0, 0, 0, 0, 0, 6, 22, 0, 0, 0, 0, 0, 6, 26, 0, 0, 0, 0, 0, 6, 30, 0, 0, 0, 0, 0, 6, 34, 0, 0, 0, 0, 0, 6, 22, 38, 0, 0, 0, 0, 6, 24, 42, 0, 0, 0, 0, 6, 26, 46, 0, 0, 0, 0, 6, 28, 50, 0, 0, 0, 0, 6, 30, 54, 0, 0, 0, 0, 6, 32, 58, 0, 0, 0, 0, 6, 34, 62, 0, 0, 0, 0, 6, 26, 46, 66, 0, 0, 0, 6, 26, 48, 70, 0, 0, 0, 6, 26, 50, 74, 0, 0, 0, 6, 30, 54, 78, 0, 0, 0, 6, 30, 56, 82, 0, 0, 0, 6, 30, 58, 86, 0, 0, 0, 6, 34, 62, 90, 0, 0, 0, 6, 28, 50, 72, 94, 0, 0, 6, 26, 50, 74, 98, 0, 0, 6, 30, 54, 78, 102, 0, 0, 6, 28, 54, 80, 106, 0, 0, 6, 32, 58, 84, 110, 0, 0, 6, 30, 58, 86, 114, 0, 0, 6, 34, 62, 90, 118, 0, 0, 6, 26, 50, 74, 98, 122, 0, 6, 30, 54, 78, 102, 126, 0, 6, 26, 52, 78, 104, 130, 0, 6, 30, 56, 82, 108, 134, 0, 6, 34, 60, 86, 112, 138, 0, 6, 30, 58, 86, 114, 142, 0, 6, 34, 62, 90, 118, 146, 0, 6, 30, 54, 78, 102, 126, 150, 6, 24, 50, 76, 102, 128, 154, 6, 28, 54, 80, 106, 132, 158, 6, 32, 58, 84, 110, 136, 162, 6, 26, 54, 82, 110, 138, 166, 6, 30, 58, 86, 114, 142, 170 };
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private int[] remainderBits = { 0, 7, 7, 7, 7, 7, 0, 0, 0, 0, 0, 0, 0, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 0, 0, 0, 0, 0, 0 };
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private List<AlignmentPattern> alignmentPatternTable;
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private List<ECCInfo> capacityECCTable;
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private List<VersionInfo> capacityTable;
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private List<Antilog> galoisField;
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private Dictionary<char, int> alphanumEncDict;
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public QRCodeGenerator()
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{
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this.CreateAntilogTable();
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this.CreateAlphanumEncDict();
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this.CreateCapacityTable();
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this.CreateCapacityECCTable();
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this.CreateAlignmentPatternTable();
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}
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public QRCodeData CreateQRCode(byte[] data)
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{
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return CreateQRCode(new string(data.Select(c => (char) c).ToArray()), ECCLevel.Q);
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}
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public QRCodeData CreateQRCode(string plainText, ECCLevel eccLevel, bool forceUtf8 = false, bool utf8BOM = false)
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{
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var encoding = this.GetEncodingFromPlaintext(plainText);
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var codedText = this.PlainTextToBinary(plainText, encoding, utf8BOM, forceUtf8);
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var dataInputLength = this.GetDataLength(encoding, plainText, codedText, forceUtf8);
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var version = this.GetVersion(dataInputLength, encoding, eccLevel);
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var modeIndicator = DecToBin((int)encoding, 4);
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var countIndicator = DecToBin(dataInputLength, this.GetCountIndicatorLength(version, encoding));
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var bitString = modeIndicator + countIndicator;
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bitString += codedText;
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//Fill up data code word
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var eccInfo = this.capacityECCTable.Single(x => x.Version == version && x.ErrorCorrectionLevel.Equals(eccLevel));
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var dataLength = eccInfo.TotalDataCodewords * 8;
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var lengthDiff = dataLength - bitString.Length;
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if (lengthDiff > 0)
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bitString += new string('0', Math.Min(lengthDiff, 4));
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if ((bitString.Length % 8) != 0)
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bitString += new string('0', 8 - (bitString.Length % 8));
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while (bitString.Length < dataLength)
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bitString += "1110110000010001";
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if (bitString.Length > dataLength)
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bitString = bitString.Substring(0, dataLength);
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//Calculate error correction words
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var codeWordWithECC = new List<CodewordBlock>();
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for (var i = 0; i < eccInfo.BlocksInGroup1; i++)
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{
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var bitStr = bitString.Substring(i * eccInfo.CodewordsInGroup1 * 8, eccInfo.CodewordsInGroup1 * 8);
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var bitBlockList = this.BinaryStringToBitBlockList(bitStr);
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var bitBlockListDec = this.BinaryStringListToDecList(bitBlockList);
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var eccWordList = this.CalculateECCWords(bitStr, eccInfo);
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var eccWordListDec = this.BinaryStringListToDecList(eccWordList);
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codeWordWithECC.Add(
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new CodewordBlock(1,
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i + 1,
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bitStr,
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bitBlockList,
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eccWordList,
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bitBlockListDec,
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eccWordListDec)
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);
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}
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bitString = bitString.Substring(eccInfo.BlocksInGroup1 * eccInfo.CodewordsInGroup1 * 8);
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for (var i = 0; i < eccInfo.BlocksInGroup2; i++)
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{
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var bitStr = bitString.Substring(i * eccInfo.CodewordsInGroup2 * 8, eccInfo.CodewordsInGroup2 * 8);
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var bitBlockList = this.BinaryStringToBitBlockList(bitStr);
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var bitBlockListDec = this.BinaryStringListToDecList(bitBlockList);
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var eccWordList = this.CalculateECCWords(bitStr, eccInfo);
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var eccWordListDec = this.BinaryStringListToDecList(eccWordList);
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codeWordWithECC.Add(new CodewordBlock(2,
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i + 1,
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bitStr,
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bitBlockList,
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eccWordList,
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bitBlockListDec,
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eccWordListDec)
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);
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}
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//Interleave code words
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var interleavedWordsSb = new StringBuilder();
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for (var i = 0; i < Math.Max(eccInfo.CodewordsInGroup1, eccInfo.CodewordsInGroup2); i++)
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{
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foreach (var codeBlock in codeWordWithECC)
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if (codeBlock.CodeWords.Count > i)
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interleavedWordsSb.Append(codeBlock.CodeWords[i]);
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}
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for (var i = 0; i < eccInfo.ECCPerBlock; i++)
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{
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foreach (var codeBlock in codeWordWithECC)
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if (codeBlock.ECCWords.Count > i)
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interleavedWordsSb.Append(codeBlock.ECCWords[i]);
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}
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interleavedWordsSb.Append(new string('0', this.remainderBits[version - 1]));
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var interleavedData = interleavedWordsSb.ToString();
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//Place interleaved data on module matrix
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var qr = new QRCodeData(version);
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var blockedModules = new List<Rectangle>();
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ModulePlacer.PlaceFinderPatterns(ref qr, ref blockedModules);
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ModulePlacer.ReserveSeperatorAreas(qr.ModuleMatrix.Count, ref blockedModules);
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ModulePlacer.PlaceAlignmentPatterns(ref qr, this.alignmentPatternTable.Where(x => x.Version == version).Select(x => x.PatternPositions).First(), ref blockedModules);
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ModulePlacer.PlaceTimingPatterns(ref qr, ref blockedModules);
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ModulePlacer.PlaceDarkModule(ref qr, version, ref blockedModules);
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ModulePlacer.ReserveVersionAreas(qr.ModuleMatrix.Count, version, ref blockedModules);
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ModulePlacer.PlaceDataWords(ref qr, interleavedData, ref blockedModules);
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var maskVersion = ModulePlacer.MaskCode(ref qr, version, ref blockedModules, eccLevel);
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var formatStr = GetFormatString(eccLevel, maskVersion);
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ModulePlacer.PlaceFormat(ref qr, formatStr);
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if (version >= 7)
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{
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var versionString = GetVersionString(version);
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ModulePlacer.PlaceVersion(ref qr, versionString);
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}
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ModulePlacer.AddQuietZone(ref qr);
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return qr;
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}
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private static string GetFormatString(ECCLevel level, int maskVersion)
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{
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var generator = "10100110111";
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var fStrMask = "101010000010010";
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var fStr = (level == ECCLevel.L) ? "01" : (level == ECCLevel.M) ? "00" : (level == ECCLevel.Q) ? "11" : "10";
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fStr += DecToBin(maskVersion, 3);
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var fStrEcc = fStr.PadRight(15, '0').TrimStart('0');
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while (fStrEcc.Length > 10)
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{
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var sb = new StringBuilder();
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generator = generator.PadRight(fStrEcc.Length, '0');
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for (var i = 0; i < fStrEcc.Length; i++)
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sb.Append((Convert.ToInt32(fStrEcc[i]) ^ Convert.ToInt32(generator[i])).ToString());
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fStrEcc = sb.ToString().TrimStart('0');
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}
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fStrEcc = fStrEcc.PadLeft(10, '0');
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fStr += fStrEcc;
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var sbMask = new StringBuilder();
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for (var i = 0; i < fStr.Length; i++)
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sbMask.Append((Convert.ToInt32(fStr[i]) ^ Convert.ToInt32(fStrMask[i])).ToString());
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return sbMask.ToString();
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}
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private static string GetVersionString(int version)
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{
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var generator = "1111100100101";
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var vStr = DecToBin(version, 6);
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var vStrEcc = vStr.PadRight(18, '0').TrimStart('0');
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while (vStrEcc.Length > 12)
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{
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var sb = new StringBuilder();
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generator = generator.PadRight(vStrEcc.Length, '0');
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for (var i = 0; i < vStrEcc.Length; i++)
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sb.Append((Convert.ToInt32(vStrEcc[i]) ^ Convert.ToInt32(generator[i])).ToString());
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vStrEcc = sb.ToString().TrimStart('0');
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}
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vStrEcc = vStrEcc.PadLeft(12, '0');
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vStr += vStrEcc;
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return vStr;
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}
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private static class ModulePlacer
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{
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public static void AddQuietZone(ref QRCodeData qrCode)
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{
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var quietLine = new bool[qrCode.ModuleMatrix.Count + 8];
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for (var i = 0; i < quietLine.Length; i++)
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quietLine[i] = false;
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for (var i = 0; i < 4; i++)
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qrCode.ModuleMatrix.Insert(0, new BitArray(quietLine));
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for (var i = 0; i < 4; i++)
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qrCode.ModuleMatrix.Add(new BitArray(quietLine));
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for (var i = 4; i < qrCode.ModuleMatrix.Count - 4; i++)
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{
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bool[] quietPart = { false, false, false, false };
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var tmpLine = new List<bool>(quietPart);
|
|
tmpLine.AddRange(qrCode.ModuleMatrix[i].Cast<bool>());
|
|
tmpLine.AddRange(quietPart);
|
|
qrCode.ModuleMatrix[i] = new BitArray(tmpLine.ToArray());
|
|
}
|
|
}
|
|
|
|
private static string ReverseString(string inp)
|
|
{
|
|
string newStr = string.Empty;
|
|
if (inp.Length > 0)
|
|
{
|
|
for (int i = inp.Length - 1; i >= 0; i--)
|
|
newStr += inp[i];
|
|
}
|
|
return newStr;
|
|
}
|
|
|
|
public static void PlaceVersion(ref QRCodeData qrCode, string versionStr)
|
|
{
|
|
var size = qrCode.ModuleMatrix.Count;
|
|
|
|
var vStr = ReverseString(versionStr);
|
|
|
|
for (var x = 0; x < 6; x++)
|
|
{
|
|
for (var y = 0; y < 3; y++)
|
|
{
|
|
qrCode.ModuleMatrix[y + size - 11][x] = vStr[x * 3 + y] == '1';
|
|
qrCode.ModuleMatrix[x][y + size - 11] = vStr[x * 3 + y] == '1';
|
|
}
|
|
}
|
|
}
|
|
|
|
public static void PlaceFormat(ref QRCodeData qrCode, string formatStr)
|
|
{
|
|
var size = qrCode.ModuleMatrix.Count;
|
|
var fStr = ReverseString(formatStr);
|
|
var modules = new[,] { { 8, 0, size - 1, 8 }, { 8, 1, size - 2, 8 }, { 8, 2, size - 3, 8 }, { 8, 3, size - 4, 8 }, { 8, 4, size - 5, 8 }, { 8, 5, size - 6, 8 }, { 8, 7, size - 7, 8 }, { 8, 8, size - 8, 8 }, { 7, 8, 8, size - 7 }, { 5, 8, 8, size - 6 }, { 4, 8, 8, size - 5 }, { 3, 8, 8, size - 4 }, { 2, 8, 8, size - 3 }, { 1, 8, 8, size - 2 }, { 0, 8, 8, size - 1 } };
|
|
for (var i = 0; i < 15; i++)
|
|
{
|
|
var p1 = new Point(modules[i, 0], modules[i, 1]);
|
|
var p2 = new Point(modules[i, 2], modules[i, 3]);
|
|
qrCode.ModuleMatrix[p1.Y][p1.X] = fStr[i] == '1';
|
|
qrCode.ModuleMatrix[p2.Y][p2.X] = fStr[i] == '1';
|
|
}
|
|
}
|
|
|
|
|
|
public static int MaskCode(ref QRCodeData qrCode, int version, ref List<Rectangle> blockedModules, ECCLevel eccLevel)
|
|
{
|
|
var patternName = string.Empty;
|
|
var patternScore = 0;
|
|
|
|
var size = qrCode.ModuleMatrix.Count;
|
|
|
|
var methods = typeof (MaskPattern).GetMethods();
|
|
|
|
foreach (var pattern in methods)
|
|
{
|
|
if (pattern.Name.Length == 8 && pattern.Name.StartsWith("Pattern"))
|
|
{
|
|
var qrTemp = new QRCodeData(version);
|
|
for (var y = 0; y < size; y++)
|
|
{
|
|
for (var x = 0; x < size; x++)
|
|
{
|
|
qrTemp.ModuleMatrix[y][x] = qrCode.ModuleMatrix[y][x];
|
|
}
|
|
|
|
}
|
|
|
|
var formatStr = GetFormatString(eccLevel, Convert.ToInt32((pattern.Name.Substring(7, 1)))-1);
|
|
ModulePlacer.PlaceFormat(ref qrTemp, formatStr);
|
|
if (version >= 7)
|
|
{
|
|
var versionString = GetVersionString(version);
|
|
ModulePlacer.PlaceVersion(ref qrTemp, versionString);
|
|
}
|
|
|
|
for (var x = 0; x < size; x++)
|
|
{
|
|
for (var y = 0; y < size; y++)
|
|
{
|
|
if (!IsBlocked(new Rectangle(x, y, 1, 1), blockedModules))
|
|
{
|
|
qrTemp.ModuleMatrix[y][x] ^= (bool)pattern.Invoke(null, new object[] { x, y });
|
|
}
|
|
}
|
|
}
|
|
|
|
var score = MaskPattern.Score(ref qrTemp);
|
|
if (string.IsNullOrEmpty(patternName) || patternScore > score)
|
|
{
|
|
patternName = pattern.Name;
|
|
patternScore = score;
|
|
}
|
|
|
|
}
|
|
}
|
|
|
|
|
|
|
|
var patterMethod = methods.First(x => x.Name == patternName);
|
|
|
|
|
|
for (var x = 0; x < size; x++)
|
|
{
|
|
for (var y = 0; y < size; y++)
|
|
{
|
|
if (!IsBlocked(new Rectangle(x, y, 1, 1), blockedModules))
|
|
{
|
|
qrCode.ModuleMatrix[y][x] ^= (bool)patterMethod.Invoke(null, new object[] { x, y });
|
|
}
|
|
}
|
|
}
|
|
return Convert.ToInt32(patterMethod.Name.Substring(patterMethod.Name.Length - 1, 1)) - 1;
|
|
}
|
|
|
|
|
|
public static void PlaceDataWords(ref QRCodeData qrCode, string data, ref List<Rectangle> blockedModules)
|
|
{
|
|
var size = qrCode.ModuleMatrix.Count;
|
|
var up = true;
|
|
var datawords = new Queue<bool>();
|
|
for (int i = 0; i< data.Length; i++)
|
|
{
|
|
datawords.Enqueue(data[i] != '0');
|
|
}
|
|
for (var x = size - 1; x >= 0; x = x - 2)
|
|
{
|
|
if (x == 6)
|
|
x = 5;
|
|
for (var yMod = 1; yMod <= size; yMod++)
|
|
{
|
|
int y;
|
|
if (up)
|
|
{
|
|
y = size - yMod;
|
|
if (datawords.Count > 0 && !IsBlocked(new Rectangle(x, y, 1, 1), blockedModules))
|
|
qrCode.ModuleMatrix[y][x] = datawords.Dequeue();
|
|
if (datawords.Count > 0 && x > 0 && !IsBlocked(new Rectangle(x - 1, y, 1, 1), blockedModules))
|
|
qrCode.ModuleMatrix[y][x - 1] = datawords.Dequeue();
|
|
}
|
|
else
|
|
{
|
|
y = yMod - 1;
|
|
if (datawords.Count > 0 && !IsBlocked(new Rectangle(x, y, 1, 1), blockedModules))
|
|
qrCode.ModuleMatrix[y][x] = datawords.Dequeue();
|
|
if (datawords.Count > 0 && x > 0 && !IsBlocked(new Rectangle(x - 1, y, 1, 1), blockedModules))
|
|
qrCode.ModuleMatrix[y][x - 1] = datawords.Dequeue();
|
|
}
|
|
}
|
|
up = !up;
|
|
}
|
|
}
|
|
|
|
public static void ReserveSeperatorAreas(int size, ref List<Rectangle> blockedModules)
|
|
{
|
|
blockedModules.AddRange(new[]{
|
|
new Rectangle(7, 0, 1, 8),
|
|
new Rectangle(0, 7, 7, 1),
|
|
new Rectangle(0, size-8, 8, 1),
|
|
new Rectangle(7, size-7, 1, 7),
|
|
new Rectangle(size-8, 0, 1, 8),
|
|
new Rectangle(size-7, 7, 7, 1)
|
|
});
|
|
}
|
|
|
|
public static void ReserveVersionAreas(int size, int version, ref List<Rectangle> blockedModules)
|
|
{
|
|
blockedModules.AddRange(new[]{
|
|
new Rectangle(8, 0, 1, 6),
|
|
new Rectangle(8, 7, 1, 1),
|
|
new Rectangle(0, 8, 6, 1),
|
|
new Rectangle(7, 8, 2, 1),
|
|
new Rectangle(size-8, 8, 8, 1),
|
|
new Rectangle(8, size-7, 1, 7)
|
|
});
|
|
|
|
if (version >= 7)
|
|
{
|
|
blockedModules.AddRange(new[]{
|
|
new Rectangle(size-11, 0, 3, 6),
|
|
new Rectangle(0, size-11, 6, 3)
|
|
});
|
|
}
|
|
}
|
|
public static void PlaceDarkModule(ref QRCodeData qrCode, int version, ref List<Rectangle> blockedModules)
|
|
{
|
|
qrCode.ModuleMatrix[4 * version + 9][8] = true;
|
|
blockedModules.Add(new Rectangle(8, 4 * version + 9, 1, 1));
|
|
}
|
|
|
|
public static void PlaceFinderPatterns(ref QRCodeData qrCode, ref List<Rectangle> blockedModules)
|
|
{
|
|
var size = qrCode.ModuleMatrix.Count;
|
|
int[] locations = { 0, 0, size - 7, 0, 0, size - 7 };
|
|
|
|
for (var i = 0; i < 6; i = i + 2)
|
|
{
|
|
for (var x = 0; x < 7; x++)
|
|
{
|
|
for (var y = 0; y < 7; y++)
|
|
{
|
|
if (!(((x == 1 || x == 5) && y > 0 && y < 6) || (x > 0 && x < 6 && (y == 1 || y == 5))))
|
|
{
|
|
qrCode.ModuleMatrix[y + locations[i + 1]][x + locations[i]] = true;
|
|
}
|
|
}
|
|
}
|
|
blockedModules.Add(new Rectangle(locations[i], locations[i + 1], 7, 7));
|
|
}
|
|
}
|
|
|
|
public static void PlaceAlignmentPatterns(ref QRCodeData qrCode, List<Point> alignmentPatternLocations, ref List<Rectangle> blockedModules)
|
|
{
|
|
foreach (var loc in alignmentPatternLocations)
|
|
{
|
|
var alignmentPatternRect = new Rectangle(loc.X, loc.Y, 5, 5);
|
|
var blocked = false;
|
|
foreach (var blockedRect in blockedModules)
|
|
{
|
|
if (Intersects(alignmentPatternRect, blockedRect))
|
|
{
|
|
blocked = true;
|
|
break;
|
|
}
|
|
}
|
|
if (blocked)
|
|
continue;
|
|
|
|
for (var x = 0; x < 5; x++)
|
|
{
|
|
for (var y = 0; y < 5; y++)
|
|
{
|
|
if (y == 0 || y == 4 || x == 0 || x == 4 || (x == 2 && y == 2))
|
|
{
|
|
qrCode.ModuleMatrix[loc.Y + y][loc.X + x] = true;
|
|
}
|
|
}
|
|
}
|
|
blockedModules.Add(new Rectangle(loc.X, loc.Y, 5, 5));
|
|
}
|
|
}
|
|
|
|
public static void PlaceTimingPatterns(ref QRCodeData qrCode, ref List<Rectangle> blockedModules)
|
|
{
|
|
var size = qrCode.ModuleMatrix.Count;
|
|
for (var i = 8; i < size - 8; i++)
|
|
{
|
|
if (i % 2 == 0)
|
|
{
|
|
qrCode.ModuleMatrix[6][i] = true;
|
|
qrCode.ModuleMatrix[i][6] = true;
|
|
}
|
|
}
|
|
blockedModules.AddRange(new[]{
|
|
new Rectangle(6, 8, 1, size-16),
|
|
new Rectangle(8, 6, size-16, 1)
|
|
});
|
|
}
|
|
|
|
private static bool Intersects(Rectangle r1, Rectangle r2)
|
|
{
|
|
return r2.X < r1.X + r1.Width && r1.X < r2.X + r2.Width && r2.Y < r1.Y + r1.Height && r1.Y < r2.Y + r2.Height;
|
|
}
|
|
|
|
private static bool IsBlocked(Rectangle r1, List<Rectangle> blockedModules)
|
|
{
|
|
var isBlocked = false;
|
|
foreach (var blockedMod in blockedModules)
|
|
{
|
|
if (Intersects(blockedMod, r1))
|
|
isBlocked = true;
|
|
}
|
|
return isBlocked;
|
|
}
|
|
|
|
private static class MaskPattern
|
|
{
|
|
public static int Score(ref QRCodeData qrCode)
|
|
{
|
|
int score1 = 0,
|
|
score2 = 0,
|
|
score3 = 0,
|
|
score4 = 0;
|
|
var size = qrCode.ModuleMatrix.Count;
|
|
|
|
//Penalty 1
|
|
for (var y = 0; y < size; y++)
|
|
{
|
|
var modInRow = 0;
|
|
var modInColumn = 0;
|
|
var lastValRow = qrCode.ModuleMatrix[y][0];
|
|
var lastValColumn = qrCode.ModuleMatrix[0][y];
|
|
for (var x = 0; x < size; x++)
|
|
{
|
|
if (qrCode.ModuleMatrix[y][x] == lastValRow)
|
|
modInRow++;
|
|
else
|
|
modInRow = 1;
|
|
if (modInRow == 5)
|
|
score1 += 3;
|
|
else if (modInRow > 5)
|
|
score1++;
|
|
lastValRow = qrCode.ModuleMatrix[y][x];
|
|
|
|
|
|
if (qrCode.ModuleMatrix[x][y] == lastValColumn)
|
|
modInColumn++;
|
|
else
|
|
modInColumn = 1;
|
|
if (modInColumn == 5)
|
|
score1 += 3;
|
|
else if (modInColumn > 5)
|
|
score1++;
|
|
lastValColumn = qrCode.ModuleMatrix[x][y];
|
|
}
|
|
}
|
|
|
|
|
|
//Penalty 2
|
|
for (var y = 0; y < size - 1; y++)
|
|
{
|
|
for (var x = 0; x < size - 1; x++)
|
|
{
|
|
if (qrCode.ModuleMatrix[y][x] == qrCode.ModuleMatrix[y][x + 1] &&
|
|
qrCode.ModuleMatrix[y][x] == qrCode.ModuleMatrix[y + 1][x] &&
|
|
qrCode.ModuleMatrix[y][x] == qrCode.ModuleMatrix[y + 1][x + 1])
|
|
score2 += 3;
|
|
}
|
|
}
|
|
|
|
//Penalty 3
|
|
for (var y = 0; y < size; y++)
|
|
{
|
|
for (var x = 0; x < size - 10; x++)
|
|
{
|
|
if ((qrCode.ModuleMatrix[y][x] &&
|
|
!qrCode.ModuleMatrix[y][x + 1] &&
|
|
qrCode.ModuleMatrix[y][x + 2] &&
|
|
qrCode.ModuleMatrix[y][x + 3] &&
|
|
qrCode.ModuleMatrix[y][x + 4] &&
|
|
!qrCode.ModuleMatrix[y][x + 5] &&
|
|
qrCode.ModuleMatrix[y][x + 6] &&
|
|
!qrCode.ModuleMatrix[y][x + 7] &&
|
|
!qrCode.ModuleMatrix[y][x + 8] &&
|
|
!qrCode.ModuleMatrix[y][x + 9] &&
|
|
!qrCode.ModuleMatrix[y][x + 10]) ||
|
|
(!qrCode.ModuleMatrix[y][x] &&
|
|
!qrCode.ModuleMatrix[y][x + 1] &&
|
|
!qrCode.ModuleMatrix[y][x + 2] &&
|
|
!qrCode.ModuleMatrix[y][x + 3] &&
|
|
qrCode.ModuleMatrix[y][x + 4] &&
|
|
!qrCode.ModuleMatrix[y][x + 5] &&
|
|
qrCode.ModuleMatrix[y][x + 6] &&
|
|
qrCode.ModuleMatrix[y][x + 7] &&
|
|
qrCode.ModuleMatrix[y][x + 8] &&
|
|
!qrCode.ModuleMatrix[y][x + 9] &&
|
|
qrCode.ModuleMatrix[y][x + 10]))
|
|
{
|
|
score3 += 40;
|
|
}
|
|
|
|
if ((qrCode.ModuleMatrix[x][y] &&
|
|
!qrCode.ModuleMatrix[x + 1][y] &&
|
|
qrCode.ModuleMatrix[x + 2][y] &&
|
|
qrCode.ModuleMatrix[x + 3][y] &&
|
|
qrCode.ModuleMatrix[x + 4][y] &&
|
|
!qrCode.ModuleMatrix[x + 5][y] &&
|
|
qrCode.ModuleMatrix[x + 6][y] &&
|
|
!qrCode.ModuleMatrix[x + 7][y] &&
|
|
!qrCode.ModuleMatrix[x + 8][y] &&
|
|
!qrCode.ModuleMatrix[x + 9][y] &&
|
|
!qrCode.ModuleMatrix[x + 10][y]) ||
|
|
(!qrCode.ModuleMatrix[x][y] &&
|
|
!qrCode.ModuleMatrix[x + 1][y] &&
|
|
!qrCode.ModuleMatrix[x + 2][y] &&
|
|
!qrCode.ModuleMatrix[x + 3][y] &&
|
|
qrCode.ModuleMatrix[x + 4][y] &&
|
|
!qrCode.ModuleMatrix[x + 5][y] &&
|
|
qrCode.ModuleMatrix[x + 6][y] &&
|
|
qrCode.ModuleMatrix[x + 7][y] &&
|
|
qrCode.ModuleMatrix[x + 8][y] &&
|
|
!qrCode.ModuleMatrix[x + 9][y] &&
|
|
qrCode.ModuleMatrix[x + 10][y]))
|
|
{
|
|
score3 += 40;
|
|
}
|
|
}
|
|
}
|
|
|
|
//Penalty 4
|
|
double blackModules = 0;
|
|
foreach (var row in qrCode.ModuleMatrix)
|
|
foreach (bool bit in row)
|
|
if (bit)
|
|
blackModules++;
|
|
|
|
var percent = (blackModules / (qrCode.ModuleMatrix.Count * qrCode.ModuleMatrix.Count)) * 100;
|
|
var prevMultipleOf5 = Math.Abs((int) Math.Floor(percent/5)*5 - 50)/5;
|
|
var nextMultipleOf5 = Math.Abs((int)Math.Floor(percent / 5) * 5 -45)/5;
|
|
score4 = Math.Min(prevMultipleOf5, nextMultipleOf5)*10;
|
|
|
|
return score1 + score2 + score3 + score4;
|
|
}
|
|
|
|
public static bool Pattern1(int x, int y) => (x + y) % 2 == 0;
|
|
public static bool Pattern2(int x, int y) => y % 2 == 0;
|
|
public static bool Pattern3(int x, int y) => x % 3 == 0;
|
|
public static bool Pattern4(int x, int y) => (x + y) % 3 == 0;
|
|
public static bool Pattern5(int x, int y) => ((y / 2) + (x / 3) % 2) == 0;
|
|
public static bool Pattern6(int x, int y) => ((x * y) % 2) + ((x * y) % 3) == 0;
|
|
public static bool Pattern7(int x, int y) => (((x * y) % 2) + ((x * y) % 3)) % 2 == 0;
|
|
public static bool Pattern8(int x, int y) => (((x + y) % 2) + ((x * y) % 3)) % 2 == 0;
|
|
}
|
|
|
|
}
|
|
|
|
private List<string> CalculateECCWords(string bitString, ECCInfo eccInfo)
|
|
{
|
|
var eccWords = eccInfo.ECCPerBlock;
|
|
var messagePolynom = this.CalculateMessagePolynom(bitString);
|
|
var generatorPolynom = this.CalculateGeneratorPolynom(eccWords);
|
|
|
|
for (var i = 0; i < messagePolynom.PolyItems.Count; i++)
|
|
messagePolynom.PolyItems[i] = new PolynomItem(messagePolynom.PolyItems[i].Coefficient,
|
|
messagePolynom.PolyItems[i].Exponent + eccWords);
|
|
|
|
for (var i = 0; i < generatorPolynom.PolyItems.Count; i++)
|
|
generatorPolynom.PolyItems[i] = new PolynomItem(generatorPolynom.PolyItems[i].Coefficient,
|
|
generatorPolynom.PolyItems[i].Exponent + (messagePolynom.PolyItems.Count-1));
|
|
|
|
var leadTermSource = messagePolynom;
|
|
for (var i = 0; (leadTermSource.PolyItems.Count > 0 && leadTermSource.PolyItems[leadTermSource.PolyItems.Count - 1].Exponent > 0); i++)
|
|
{
|
|
if (leadTermSource.PolyItems[0].Coefficient == 0)
|
|
{
|
|
leadTermSource.PolyItems.RemoveAt(0);
|
|
leadTermSource.PolyItems.Add(new PolynomItem(0, leadTermSource.PolyItems[leadTermSource.PolyItems.Count - 1].Exponent - 1));
|
|
}
|
|
else
|
|
{
|
|
var resPoly = this.MultiplyGeneratorPolynomByLeadterm(generatorPolynom, this.ConvertToAlphaNotation(leadTermSource).PolyItems[0], i);
|
|
resPoly = this.ConvertToDecNotation(resPoly);
|
|
resPoly = this.XORPolynoms(leadTermSource, resPoly);
|
|
leadTermSource = resPoly;
|
|
}
|
|
}
|
|
return leadTermSource.PolyItems.Select(x => DecToBin(x.Coefficient, 8)).ToList();
|
|
}
|
|
|
|
private Polynom ConvertToAlphaNotation(Polynom poly)
|
|
{
|
|
var newPoly = new Polynom();
|
|
for (var i = 0; i < poly.PolyItems.Count; i++)
|
|
newPoly.PolyItems.Add(
|
|
new PolynomItem(
|
|
(poly.PolyItems[i].Coefficient != 0
|
|
? this.GetAlphaExpFromIntVal(poly.PolyItems[i].Coefficient)
|
|
: 0), poly.PolyItems[i].Exponent));
|
|
return newPoly;
|
|
}
|
|
|
|
private Polynom ConvertToDecNotation(Polynom poly)
|
|
{
|
|
var newPoly = new Polynom();
|
|
for (var i = 0; i < poly.PolyItems.Count; i++)
|
|
newPoly.PolyItems.Add(new PolynomItem(this.GetIntValFromAlphaExp(poly.PolyItems[i].Coefficient), poly.PolyItems[i].Exponent));
|
|
return newPoly;
|
|
}
|
|
|
|
private int GetVersion(int length, EncodingMode encMode, ECCLevel eccLevel)
|
|
{
|
|
var version = this.capacityTable.Where(
|
|
x => x.Details.Count(
|
|
y => (y.ErrorCorrectionLevel == eccLevel
|
|
&& y.CapacityDict[encMode] >= Convert.ToInt32(length)
|
|
)
|
|
) > 0
|
|
).Select(x => new
|
|
{
|
|
version = x.Version,
|
|
capacity = x.Details.Single(y => y.ErrorCorrectionLevel == eccLevel)
|
|
.CapacityDict[encMode]
|
|
}).Min(x => x.version);
|
|
return version;
|
|
}
|
|
|
|
private EncodingMode GetEncodingFromPlaintext(string plainText)
|
|
{
|
|
if (StringAll(plainText, "0123456789"))
|
|
return EncodingMode.Numeric;
|
|
else if (StringAll(plainText, new string(this.alphanumEncTable)))
|
|
return EncodingMode.Alphanumeric;
|
|
else
|
|
return EncodingMode.Byte;
|
|
}
|
|
|
|
private bool StringAll(string input, string charGroupIn)
|
|
{
|
|
|
|
bool res = true;
|
|
foreach (var c in input)
|
|
{
|
|
if (!charGroupIn.Contains(c.ToString()))
|
|
{
|
|
res = false;
|
|
break;
|
|
}
|
|
}
|
|
return res;
|
|
}
|
|
|
|
private Polynom CalculateMessagePolynom(string bitString)
|
|
{
|
|
var messagePol = new Polynom();
|
|
for (var i = bitString.Length / 8 - 1; i >= 0; i--)
|
|
{
|
|
messagePol.PolyItems.Add(new PolynomItem(this.BinToDec(bitString.Substring(0, 8)), i));
|
|
bitString = bitString.Remove(0, 8);
|
|
}
|
|
return messagePol;
|
|
}
|
|
|
|
|
|
private Polynom CalculateGeneratorPolynom(int numEccWords)
|
|
{
|
|
var generatorPolynom = new Polynom();
|
|
generatorPolynom.PolyItems.AddRange(new[]{
|
|
new PolynomItem(0,1),
|
|
new PolynomItem(0,0)
|
|
});
|
|
for (var i = 1; i <= numEccWords - 1; i++)
|
|
{
|
|
var multiplierPolynom = new Polynom();
|
|
multiplierPolynom.PolyItems.AddRange(new[]{
|
|
new PolynomItem(0,1),
|
|
new PolynomItem(i,0)
|
|
});
|
|
|
|
generatorPolynom = this.MultiplyAlphaPolynoms(generatorPolynom, multiplierPolynom);
|
|
}
|
|
|
|
return generatorPolynom;
|
|
}
|
|
|
|
private List<string> BinaryStringToBitBlockList(string bitString)
|
|
{
|
|
return new List<char>(bitString.ToCharArray()).Select((x, i) => new { Index = i, Value = x })
|
|
.GroupBy(x => x.Index / 8)
|
|
.Select(x => String.Join("", x.Select(v => v.Value.ToString()).ToArray()))
|
|
.ToList();
|
|
}
|
|
|
|
private List<int> BinaryStringListToDecList(List<string> binaryStringList)
|
|
{
|
|
return binaryStringList.Select(binaryString => this.BinToDec(binaryString)).ToList();
|
|
}
|
|
|
|
private int BinToDec(string binStr)
|
|
{
|
|
return Convert.ToInt32(binStr, 2);
|
|
}
|
|
|
|
private static string DecToBin(int decNum)
|
|
{
|
|
return Convert.ToString(decNum, 2);
|
|
}
|
|
|
|
private static string DecToBin(int decNum, int padLeftUpTo)
|
|
{
|
|
var binStr = DecToBin(decNum);
|
|
return binStr.PadLeft(padLeftUpTo, '0');
|
|
}
|
|
|
|
private int GetCountIndicatorLength(int version, EncodingMode encMode)
|
|
{
|
|
if (version < 10)
|
|
{
|
|
if (encMode.Equals(EncodingMode.Numeric))
|
|
return 10;
|
|
else if (encMode.Equals(EncodingMode.Alphanumeric))
|
|
return 9;
|
|
else
|
|
return 8;
|
|
}
|
|
else if (version < 27)
|
|
{
|
|
if (encMode.Equals(EncodingMode.Numeric))
|
|
return 12;
|
|
else if (encMode.Equals(EncodingMode.Alphanumeric))
|
|
return 11;
|
|
else if (encMode.Equals(EncodingMode.Byte))
|
|
return 16;
|
|
else
|
|
return 10;
|
|
}
|
|
else
|
|
{
|
|
if (encMode.Equals(EncodingMode.Numeric))
|
|
return 14;
|
|
else if (encMode.Equals(EncodingMode.Alphanumeric))
|
|
return 13;
|
|
else if (encMode.Equals(EncodingMode.Byte))
|
|
return 16;
|
|
else
|
|
return 12;
|
|
}
|
|
}
|
|
|
|
private int GetDataLength(EncodingMode encoding, string plainText, string codedText, bool forceUtf8)
|
|
{
|
|
return forceUtf8 || this.IsUtf8(encoding, plainText) ? (codedText.Length / 8) : plainText.Length;
|
|
}
|
|
|
|
private bool IsUtf8(EncodingMode encoding, string plainText)
|
|
{
|
|
return (encoding == EncodingMode.Byte && !this.IsValidISO(plainText));
|
|
}
|
|
|
|
private bool IsValidISO(string input)
|
|
{
|
|
var bytes = Encoding.GetEncoding("ISO-8859-1").GetBytes(input);
|
|
//var result = Encoding.GetEncoding("ISO-8859-1").GetString(bytes);
|
|
var result = Encoding.GetEncoding("ISO-8859-1").GetString(bytes,0,bytes.Length);
|
|
return String.Equals(input, result);
|
|
}
|
|
|
|
private string PlainTextToBinary(string plainText, EncodingMode encMode, bool utf8BOM, bool forceUtf8)
|
|
{
|
|
if (encMode.Equals(EncodingMode.Numeric))
|
|
return this.PlainTextToBinaryNumeric(plainText);
|
|
else if (encMode.Equals(EncodingMode.Alphanumeric))
|
|
return this.PlainTextToBinaryAlphanumeric(plainText);
|
|
else if (encMode.Equals(EncodingMode.Byte))
|
|
return this.PlainTextToBinaryByte(plainText, utf8BOM, forceUtf8);
|
|
else
|
|
return string.Empty;
|
|
}
|
|
|
|
private string PlainTextToBinaryNumeric(string plainText)
|
|
{
|
|
var codeText = string.Empty;
|
|
while (plainText.Length >= 3)
|
|
{
|
|
var dec = Convert.ToInt32(plainText.Substring(0, 3));
|
|
codeText += DecToBin(dec, 10);
|
|
plainText = plainText.Substring(3);
|
|
|
|
}
|
|
if (plainText.Length == 2)
|
|
{
|
|
var dec = Convert.ToInt32(plainText.Substring(0, plainText.Length));
|
|
codeText += DecToBin(dec, 7);
|
|
}
|
|
else if (plainText.Length == 1)
|
|
{
|
|
var dec = Convert.ToInt32(plainText.Substring(0, plainText.Length));
|
|
codeText += DecToBin(dec, 4);
|
|
}
|
|
return codeText;
|
|
}
|
|
|
|
private string PlainTextToBinaryAlphanumeric(string plainText)
|
|
{
|
|
var codeText = string.Empty;
|
|
while (plainText.Length >= 2)
|
|
{
|
|
var token = plainText.Substring(0, 2);
|
|
var dec = this.alphanumEncDict[token[0]] * 45 + this.alphanumEncDict[token[1]];
|
|
codeText += DecToBin(dec, 11);
|
|
plainText = plainText.Substring(2);
|
|
|
|
}
|
|
if (plainText.Length > 0)
|
|
{
|
|
codeText += DecToBin(this.alphanumEncDict[plainText[0]], 6);
|
|
}
|
|
return codeText;
|
|
}
|
|
|
|
private string PlainTextToBinaryByte(string plainText, bool utf8BOM, bool forceUtf8)
|
|
{
|
|
byte[] codeBytes;
|
|
var codeText = string.Empty;
|
|
|
|
if (this.IsValidISO(plainText) && !forceUtf8)
|
|
codeBytes = Encoding.GetEncoding("ISO-8859-1").GetBytes(plainText);
|
|
else
|
|
codeBytes = utf8BOM ? Encoding.UTF8.GetPreamble().Concat(Encoding.UTF8.GetBytes(plainText)).ToArray() : Encoding.UTF8.GetBytes(plainText);
|
|
|
|
foreach (var b in codeBytes)
|
|
codeText += DecToBin(b, 8);
|
|
|
|
return codeText;
|
|
}
|
|
|
|
|
|
private Polynom XORPolynoms(Polynom messagePolynom, Polynom resPolynom)
|
|
{
|
|
var resultPolynom = new Polynom();
|
|
Polynom longPoly, shortPoly;
|
|
if (messagePolynom.PolyItems.Count >= resPolynom.PolyItems.Count)
|
|
{
|
|
longPoly = messagePolynom;
|
|
shortPoly = resPolynom;
|
|
}
|
|
else
|
|
{
|
|
longPoly = resPolynom;
|
|
shortPoly = messagePolynom;
|
|
}
|
|
|
|
for (var i = 0; i < longPoly.PolyItems.Count; i++)
|
|
{
|
|
var polItemRes = new PolynomItem
|
|
(
|
|
|
|
longPoly.PolyItems[i].Coefficient ^
|
|
(shortPoly.PolyItems.Count > i ? shortPoly.PolyItems[i].Coefficient : 0),
|
|
messagePolynom.PolyItems[0].Exponent - i
|
|
);
|
|
resultPolynom.PolyItems.Add(polItemRes);
|
|
}
|
|
resultPolynom.PolyItems.RemoveAt(0);
|
|
return resultPolynom;
|
|
}
|
|
|
|
|
|
private Polynom MultiplyGeneratorPolynomByLeadterm(Polynom genPolynom, PolynomItem leadTerm, int lowerExponentBy)
|
|
{
|
|
var resultPolynom = new Polynom();
|
|
foreach (var polItemBase in genPolynom.PolyItems)
|
|
{
|
|
var polItemRes = new PolynomItem(
|
|
|
|
(polItemBase.Coefficient + leadTerm.Coefficient) % 255,
|
|
polItemBase.Exponent - lowerExponentBy
|
|
);
|
|
resultPolynom.PolyItems.Add(polItemRes);
|
|
}
|
|
return resultPolynom;
|
|
}
|
|
|
|
|
|
private Polynom MultiplyAlphaPolynoms(Polynom polynomBase, Polynom polynomMultiplier)
|
|
{
|
|
var resultPolynom = new Polynom();
|
|
foreach (var polItemBase in polynomMultiplier.PolyItems)
|
|
{
|
|
foreach (var polItemMulti in polynomBase.PolyItems)
|
|
{
|
|
var polItemRes = new PolynomItem
|
|
(
|
|
ShrinkAlphaExp(polItemBase.Coefficient + polItemMulti.Coefficient),
|
|
(polItemBase.Exponent + polItemMulti.Exponent)
|
|
);
|
|
resultPolynom.PolyItems.Add(polItemRes);
|
|
}
|
|
}
|
|
var exponentsToGlue = resultPolynom.PolyItems.GroupBy(x => x.Exponent).Where(x => x.Count() > 1).Select(x => x.First().Exponent);
|
|
var gluedPolynoms = new List<PolynomItem>();
|
|
var toGlue = exponentsToGlue as IList<int> ?? exponentsToGlue.ToList();
|
|
foreach (var exponent in toGlue)
|
|
{
|
|
var coefficient = resultPolynom.PolyItems.Where(x => x.Exponent == exponent).Aggregate(0, (current, polynomOld)
|
|
=> current ^ this.GetIntValFromAlphaExp(polynomOld.Coefficient));
|
|
var polynomFixed = new PolynomItem(this.GetAlphaExpFromIntVal(coefficient), exponent);
|
|
gluedPolynoms.Add(polynomFixed);
|
|
}
|
|
resultPolynom.PolyItems.RemoveAll(x => toGlue.Contains(x.Exponent));
|
|
resultPolynom.PolyItems.AddRange(gluedPolynoms);
|
|
resultPolynom.PolyItems = resultPolynom.PolyItems.OrderByDescending(x => x.Exponent).ToList();
|
|
return resultPolynom;
|
|
}
|
|
|
|
private int GetIntValFromAlphaExp(int exp)
|
|
{
|
|
return this.galoisField.Where(alog => alog.ExponentAlpha == exp).Select(alog => alog.IntegerValue).First();
|
|
}
|
|
|
|
private int GetAlphaExpFromIntVal(int intVal)
|
|
{
|
|
return this.galoisField.Where(alog => alog.IntegerValue == intVal).Select(alog => alog.ExponentAlpha).First();
|
|
}
|
|
|
|
private static int ShrinkAlphaExp(int alphaExp)
|
|
{
|
|
// ReSharper disable once PossibleLossOfFraction
|
|
return (int)((alphaExp % 256) + Math.Floor((double)(alphaExp / 256)));
|
|
}
|
|
|
|
private void CreateAlphanumEncDict()
|
|
{
|
|
this.alphanumEncDict = new Dictionary<char, int>();
|
|
//this.alphanumEncTable.ToList().Select((x, i) => new { Chr = x, Index = i }).ToList().ForEach(x => this.alphanumEncDict.Add(x.Chr, x.Index));
|
|
var resList = this.alphanumEncTable.ToList().Select((x, i) => new { Chr = x, Index = i }).ToList();
|
|
foreach (var res in resList)
|
|
{
|
|
this.alphanumEncDict.Add(res.Chr, res.Index);
|
|
}
|
|
}
|
|
|
|
private void CreateAlignmentPatternTable()
|
|
{
|
|
this.alignmentPatternTable = new List<AlignmentPattern>();
|
|
|
|
for (var i = 0; i < (7 * 40); i = i + 7)
|
|
{
|
|
var points = new List<Point>();
|
|
for (var x = 0; x < 7; x++)
|
|
{
|
|
if (this.alignmentPatternBaseValues[i + x] != 0)
|
|
{
|
|
for (var y = 0; y < 7; y++)
|
|
{
|
|
if (this.alignmentPatternBaseValues[i + y] != 0)
|
|
{
|
|
var p = new Point(this.alignmentPatternBaseValues[i + x] - 2, this.alignmentPatternBaseValues[i + y] - 2);
|
|
if (!points.Contains(p))
|
|
points.Add(p);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
this.alignmentPatternTable.Add(new AlignmentPattern()
|
|
{
|
|
Version = (i + 7) / 7,
|
|
PatternPositions = points
|
|
}
|
|
);
|
|
}
|
|
}
|
|
|
|
|
|
private void CreateCapacityECCTable()
|
|
{
|
|
this.capacityECCTable = new List<ECCInfo>();
|
|
for (var i = 0; i < (4 * 6 * 40); i = i + (4 * 6))
|
|
{
|
|
this.capacityECCTable.AddRange(
|
|
new[]
|
|
{
|
|
new ECCInfo(
|
|
(i+24) / 24,
|
|
ECCLevel.L,
|
|
this.capacityECCBaseValues[i],
|
|
this.capacityECCBaseValues[i+1],
|
|
this.capacityECCBaseValues[i+2],
|
|
this.capacityECCBaseValues[i+3],
|
|
this.capacityECCBaseValues[i+4],
|
|
this.capacityECCBaseValues[i+5]),
|
|
new ECCInfo
|
|
(
|
|
version: (i + 24) / 24,
|
|
errorCorrectionLevel: ECCLevel.M,
|
|
totalDataCodewords: this.capacityECCBaseValues[i+6],
|
|
eccPerBlock: this.capacityECCBaseValues[i+7],
|
|
blocksInGroup1: this.capacityECCBaseValues[i+8],
|
|
codewordsInGroup1: this.capacityECCBaseValues[i+9],
|
|
blocksInGroup2: this.capacityECCBaseValues[i+10],
|
|
codewordsInGroup2: this.capacityECCBaseValues[i+11]
|
|
),
|
|
new ECCInfo
|
|
(
|
|
version: (i + 24) / 24,
|
|
errorCorrectionLevel: ECCLevel.Q,
|
|
totalDataCodewords: this.capacityECCBaseValues[i+12],
|
|
eccPerBlock: this.capacityECCBaseValues[i+13],
|
|
blocksInGroup1: this.capacityECCBaseValues[i+14],
|
|
codewordsInGroup1: this.capacityECCBaseValues[i+15],
|
|
blocksInGroup2: this.capacityECCBaseValues[i+16],
|
|
codewordsInGroup2: this.capacityECCBaseValues[i+17]
|
|
),
|
|
new ECCInfo
|
|
(
|
|
version: (i + 24) / 24,
|
|
errorCorrectionLevel: ECCLevel.H,
|
|
totalDataCodewords: this.capacityECCBaseValues[i+18],
|
|
eccPerBlock: this.capacityECCBaseValues[i+19],
|
|
blocksInGroup1: this.capacityECCBaseValues[i+20],
|
|
codewordsInGroup1: this.capacityECCBaseValues[i+21],
|
|
blocksInGroup2: this.capacityECCBaseValues[i+22],
|
|
codewordsInGroup2: this.capacityECCBaseValues[i+23]
|
|
)
|
|
});
|
|
}
|
|
}
|
|
|
|
private void CreateCapacityTable()
|
|
{
|
|
this.capacityTable = new List<VersionInfo>();
|
|
for (var i = 0; i < (16 * 40); i = i + 16)
|
|
{
|
|
this.capacityTable.Add(new VersionInfo(
|
|
|
|
(i + 16) / 16,
|
|
new List<VersionInfoDetails>
|
|
{
|
|
new VersionInfoDetails(
|
|
ECCLevel.L,
|
|
new Dictionary<EncodingMode,int>(){
|
|
{ EncodingMode.Numeric, this.capacityBaseValues[i] },
|
|
{ EncodingMode.Alphanumeric, this.capacityBaseValues[i+1] },
|
|
{ EncodingMode.Byte, this.capacityBaseValues[i+2] },
|
|
{ EncodingMode.Kanji, this.capacityBaseValues[i+3] },
|
|
}
|
|
),
|
|
new VersionInfoDetails(
|
|
ECCLevel.M,
|
|
new Dictionary<EncodingMode,int>(){
|
|
{ EncodingMode.Numeric, this.capacityBaseValues[i+4] },
|
|
{ EncodingMode.Alphanumeric, this.capacityBaseValues[i+5] },
|
|
{ EncodingMode.Byte, this.capacityBaseValues[i+6] },
|
|
{ EncodingMode.Kanji, this.capacityBaseValues[i+7] },
|
|
}
|
|
),
|
|
new VersionInfoDetails(
|
|
ECCLevel.Q,
|
|
new Dictionary<EncodingMode,int>(){
|
|
{ EncodingMode.Numeric, this.capacityBaseValues[i+8] },
|
|
{ EncodingMode.Alphanumeric, this.capacityBaseValues[i+9] },
|
|
{ EncodingMode.Byte, this.capacityBaseValues[i+10] },
|
|
{ EncodingMode.Kanji, this.capacityBaseValues[i+11] },
|
|
}
|
|
),
|
|
new VersionInfoDetails(
|
|
ECCLevel.H,
|
|
new Dictionary<EncodingMode,int>(){
|
|
{ EncodingMode.Numeric, this.capacityBaseValues[i+12] },
|
|
{ EncodingMode.Alphanumeric, this.capacityBaseValues[i+13] },
|
|
{ EncodingMode.Byte, this.capacityBaseValues[i+14] },
|
|
{ EncodingMode.Kanji, this.capacityBaseValues[i+15] },
|
|
}
|
|
)
|
|
}
|
|
));
|
|
}
|
|
}
|
|
|
|
private void CreateAntilogTable()
|
|
{
|
|
this.galoisField = new List<Antilog>();
|
|
|
|
for (var i = 0; i < 256; i++)
|
|
{
|
|
var gfItem = (int)Math.Pow(2, i);
|
|
|
|
if (i > 7)
|
|
{
|
|
gfItem = this.galoisField[i - 1].IntegerValue * 2;
|
|
}
|
|
if (gfItem > 255)
|
|
{
|
|
gfItem = gfItem ^ 285;
|
|
}
|
|
this.galoisField.Add(new Antilog(i, gfItem));
|
|
}
|
|
}
|
|
|
|
public enum ECCLevel
|
|
{
|
|
L,
|
|
M,
|
|
Q,
|
|
H
|
|
}
|
|
|
|
private enum EncodingMode
|
|
{
|
|
Numeric = 1,
|
|
Alphanumeric = 2,
|
|
Byte = 4,
|
|
Kanji = 8,
|
|
ECI = 7
|
|
}
|
|
|
|
private struct AlignmentPattern
|
|
{
|
|
public int Version;
|
|
public List<Point> PatternPositions;
|
|
}
|
|
|
|
private struct CodewordBlock
|
|
{
|
|
public CodewordBlock(int groupNumber, int blockNumber, string bitString, List<string> codeWords,
|
|
List<string> eccWords, List<int> codeWordsInt, List<int> eccWordsInt)
|
|
{
|
|
this.GroupNumber = groupNumber;
|
|
this.BlockNumber = blockNumber;
|
|
this.BitString = bitString;
|
|
this.CodeWords = codeWords;
|
|
this.ECCWords = eccWords;
|
|
this.CodeWordsInt = codeWordsInt;
|
|
this.ECCWordsInt = eccWordsInt;
|
|
}
|
|
|
|
public int GroupNumber { get; }
|
|
public int BlockNumber { get; }
|
|
public string BitString { get; }
|
|
public List<string> CodeWords { get; }
|
|
public List<int> CodeWordsInt { get; }
|
|
public List<string> ECCWords { get; }
|
|
public List<int> ECCWordsInt { get; }
|
|
}
|
|
|
|
private struct ECCInfo
|
|
{
|
|
public ECCInfo(int version, ECCLevel errorCorrectionLevel, int totalDataCodewords, int eccPerBlock, int blocksInGroup1,
|
|
int codewordsInGroup1, int blocksInGroup2, int codewordsInGroup2)
|
|
{
|
|
this.Version = version;
|
|
this.ErrorCorrectionLevel = errorCorrectionLevel;
|
|
this.TotalDataCodewords = totalDataCodewords;
|
|
this.ECCPerBlock = eccPerBlock;
|
|
this.BlocksInGroup1 = blocksInGroup1;
|
|
this.CodewordsInGroup1 = codewordsInGroup1;
|
|
this.BlocksInGroup2 = blocksInGroup2;
|
|
this.CodewordsInGroup2 = codewordsInGroup2;
|
|
}
|
|
public int Version { get; }
|
|
public ECCLevel ErrorCorrectionLevel { get; }
|
|
public int TotalDataCodewords { get; }
|
|
public int ECCPerBlock { get; }
|
|
public int BlocksInGroup1 { get; }
|
|
public int CodewordsInGroup1 { get; }
|
|
public int BlocksInGroup2 { get; }
|
|
public int CodewordsInGroup2 { get; }
|
|
}
|
|
|
|
private struct VersionInfo
|
|
{
|
|
public VersionInfo(int version, List<VersionInfoDetails> versionInfoDetails)
|
|
{
|
|
this.Version = version;
|
|
this.Details = versionInfoDetails;
|
|
}
|
|
public int Version { get; }
|
|
public List<VersionInfoDetails> Details { get; }
|
|
}
|
|
|
|
private struct VersionInfoDetails
|
|
{
|
|
public VersionInfoDetails(ECCLevel errorCorrectionLevel, Dictionary<EncodingMode, int> capacityDict)
|
|
{
|
|
this.ErrorCorrectionLevel = errorCorrectionLevel;
|
|
this.CapacityDict = capacityDict;
|
|
}
|
|
|
|
public ECCLevel ErrorCorrectionLevel { get; }
|
|
public Dictionary<EncodingMode, int> CapacityDict { get; }
|
|
}
|
|
|
|
private struct Antilog
|
|
{
|
|
public Antilog(int exponentAlpha, int integerValue)
|
|
{
|
|
this.ExponentAlpha = exponentAlpha;
|
|
this.IntegerValue = integerValue;
|
|
}
|
|
public int ExponentAlpha { get; }
|
|
public int IntegerValue { get; }
|
|
}
|
|
|
|
private struct PolynomItem
|
|
{
|
|
public PolynomItem(int coefficient, int exponent)
|
|
{
|
|
this.Coefficient = coefficient;
|
|
this.Exponent = exponent;
|
|
}
|
|
|
|
public int Coefficient { get; }
|
|
public int Exponent { get; }
|
|
}
|
|
|
|
private class Polynom
|
|
{
|
|
public Polynom()
|
|
{
|
|
this.PolyItems = new List<PolynomItem>();
|
|
}
|
|
|
|
public List<PolynomItem> PolyItems { get; set; }
|
|
|
|
public override string ToString()
|
|
{
|
|
var sb = new StringBuilder();
|
|
//this.PolyItems.ForEach(x => sb.Append("a^" + x.Coefficient + "*x^" + x.Exponent + " + "));
|
|
foreach (var polyItem in this.PolyItems)
|
|
{
|
|
sb.Append("a^" + polyItem.Coefficient + "*x^" + polyItem.Exponent + " + ");
|
|
}
|
|
|
|
return sb.ToString().TrimEnd(new[] { ' ', '+' });
|
|
}
|
|
}
|
|
|
|
private class Point
|
|
{
|
|
public int X { get; }
|
|
public int Y { get; }
|
|
public Point(int x, int y)
|
|
{
|
|
this.X = x;
|
|
this.Y = y;
|
|
}
|
|
}
|
|
|
|
private class Rectangle
|
|
{
|
|
public int X { get; }
|
|
public int Y { get; }
|
|
public int Width { get; }
|
|
public int Height { get; }
|
|
|
|
public Rectangle(int x, int y, int w, int h)
|
|
{
|
|
this.X = x;
|
|
this.Y = y;
|
|
this.Width = w;
|
|
this.Height = h;
|
|
}
|
|
}
|
|
|
|
public void Dispose()
|
|
{
|
|
this.alignmentPatternBaseValues = null;
|
|
this.alignmentPatternTable = null;
|
|
this.alphanumEncDict = null;
|
|
this.alphanumEncTable = null;
|
|
this.capacityBaseValues = null;
|
|
this.capacityECCBaseValues = null;
|
|
this.capacityECCTable = null;
|
|
this.capacityTable = null;
|
|
this.galoisField = null;
|
|
this.remainderBits = null;
|
|
}
|
|
}
|
|
}
|