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AZTEC: fix ECC to be at least advertised percentages (ticket #347,

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props Francois Grieu)
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gitlost
2026-01-21 12:01:00 +00:00
parent eea16e1a89
commit 0efc4fb021
6 changed files with 306 additions and 215 deletions
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25
backend/aztec.h
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@@ -1,7 +1,7 @@
/* aztec.h - Handles Aztec 2D Symbols */
/*
libzint - the open source barcode library
Copyright (C) 2008-2024 Robin Stuart <rstuart114@gmail.com>
Copyright (C) 2008-2026 Robin Stuart <rstuart114@gmail.com>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
@@ -117,37 +117,38 @@ static const short AztecCompactSizes[4] = {
17, 40, 51, 64 /* 64 data blocks (Mode Message max) but 76 altogether */
};
/* Tables `AztecDataSizes` and `AztecCompactDataSizes` generated by "backend/tools/gen_aztec_data_sizes.php" */
static const short AztecDataSizes[4][32] = { {
/* Data bits per symbol maximum with 10% error correction */
96, 246, 408, 616, 840, 1104, 1392, 1704, 2040, 2420, 2820, 3250, 3720, 4200, 4730, 5270,
5840, 6450, 7080, 7750, 8430, 9150, 9900, 10680, 11484, 12324, 13188, 14076, 15000, 15948, 16920, 17940
95, 241, 408, 609, 840, 1099, 1387, 1704, 2040, 2418, 2814, 3246, 3714, 4200, 4722, 5262,
5838, 6450, 7080, 7746, 8430, 9150, 9900, 10677, 11476, 12319, 13183, 14068, 14997, 15948, 16920, 17935
}, {
/* Data bits per symbol maximum with 23% error correction */
84, 204, 352, 520, 720, 944, 1184, 1456, 1750, 2070, 2410, 2780, 3180, 3590, 4040, 4500,
5000, 5520, 6060, 6630, 7210, 7830, 8472, 9132, 9816, 10536, 11280, 12036, 12828, 13644, 14472, 15348
79, 203, 345, 518, 715, 936, 1183, 1454, 1741, 2064, 2403, 2772, 3173, 3589, 4035, 4497,
4990, 5514, 6053, 6622, 7208, 7824, 8464, 9130, 9813, 10534, 11273, 12031, 12826, 13639, 14470, 15339
}, {
/* Data bits per symbol maximum with 36% error correction */
66, 168, 288, 432, 592, 776, 984, 1208, 1450, 1720, 2000, 2300, 2640, 2980, 3350, 3740,
4150, 4580, 5030, 5500, 5990, 6500, 7032, 7584, 8160, 8760, 9372, 9996, 10656, 11340, 12024, 12744
62, 166, 283, 426, 590, 774, 979, 1204, 1442, 1710, 1992, 2299, 2632, 2978, 3349, 3733,
4142, 4578, 5026, 5499, 5986, 6498, 7029, 7582, 8150, 8749, 9364, 9994, 10654, 11330, 12021, 12743
}, {
/* Data bits per symbol maximum with 50% error correction */
48, 126, 216, 328, 456, 600, 760, 936, 1120, 1330, 1550, 1790, 2050, 2320, 2610, 2910,
45, 126, 216, 328, 456, 600, 760, 936, 1120, 1330, 1550, 1790, 2050, 2320, 2610, 2910,
3230, 3570, 3920, 4290, 4670, 5070, 5484, 5916, 6360, 6828, 7308, 7800, 8316, 8844, 9384, 9948
}
};
static const short AztecCompactDataSizes[4][4] = { {
/* Data bits per symbol maximum with 10% error correction */
78, 198, 336, 512 /* Max 64 * 8 */
73, 198, 343, 512 /* Max 64 * 8 */
}, {
/* Data bits per symbol maximum with 23% error correction */
66, 168, 288, 440
60, 166, 290, 444
}, {
/* Data bits per symbol maximum with 36% error correction */
48, 138, 232, 360
47, 135, 237, 365
}, {
/* Data bits per symbol maximum with 50% error correction */
36, 102, 176, 280
33, 102, 180, 280
}
};