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151 lines
8.1 KiB
C
151 lines
8.1 KiB
C
/* aztec.c - Handles Aztec Mesa 2D Symbols */
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/*
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libzint - the open source barcode library
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Copyright (C) 2008 Robin Stuart <robin@zint.org.uk>
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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3. Neither the name of the project nor the names of its contributors
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may be used to endorse or promote products derived from this software
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without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
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FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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SUCH DAMAGE.
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*/
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#define UPPER 1
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#define LOWER 2
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#define MIXED 4
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#define PUNC 8
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#define DIGIT 16
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#define BINARY 32
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static int AztecMap[22801];
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static const int CompactAztecMap[] = { /* 27 x 27 data grid */
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609,608,411,413,415,417,419,421,423,425,427,429,431,433,435,437,439,441,443,445,447,449,451,453,455,457,459,
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607,606,410,412,414,416,418,420,422,424,426,428,430,432,434,436,438,440,442,444,446,448,450,452,454,456,458,
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605,604,409,408,243,245,247,249,251,253,255,257,259,261,263,265,267,269,271,273,275,277,279,281,283,460,461,
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603,602,407,406,242,244,246,248,250,252,254,256,258,260,262,264,266,268,270,272,274,276,278,280,282,462,463,
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601,600,405,404,241,240,107,109,111,113,115,117,119,121,123,125,127,129,131,133,135,137,139,284,285,464,465,
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599,598,403,402,239,238,106,108,110,112,114,116,118,120,122,124,126,128,130,132,134,136,138,286,287,466,467,
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597,596,401,400,237,236,105,104,3,5,7,9,11,13,15,17,19,21,23,25,27,140,141,288,289,468,469,
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595,594,399,398,235,234,103,102,2,4,6,8,10,12,14,16,18,20,22,24,26,142,143,290,291,470,471,
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593,592,397,396,233,232,101,100,1,1,2000,2001,2002,2003,2004,2005,2006,0,1,28,29,144,145,292,293,472,473,
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591,590,395,394,231,230,99,98,1,1,1,1,1,1,1,1,1,1,1,30,31,146,147,294,295,474,475,
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589,588,393,392,229,228,97,96,2027,1,0,0,0,0,0,0,0,1,2007,32,33,148,149,296,297,476,477,
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587,586,391,390,227,226,95,94,2026,1,0,1,1,1,1,1,0,1,2008,34,35,150,151,298,299,478,479,
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585,584,389,388,225,224,93,92,2025,1,0,1,0,0,0,1,0,1,2009,36,37,152,153,300,301,480,481,
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583,582,387,386,223,222,91,90,2024,1,0,1,0,1,0,1,0,1,2010,38,39,154,155,302,303,482,483,
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581,580,385,384,221,220,89,88,2023,1,0,1,0,0,0,1,0,1,2011,40,41,156,157,304,305,484,485,
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579,578,383,382,219,218,87,86,2022,1,0,1,1,1,1,1,0,1,2012,42,43,158,159,306,307,486,487,
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577,576,381,380,217,216,85,84,2021,1,0,0,0,0,0,0,0,1,2013,44,45,160,161,308,309,488,489,
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575,574,379,378,215,214,83,82,0,1,1,1,1,1,1,1,1,1,1,46,47,162,163,310,311,490,491,
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573,572,377,376,213,212,81,80,0,0,2020,2019,2018,2017,2016,2015,2014,0,0,48,49,164,165,312,313,492,493,
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571,570,375,374,211,210,78,76,74,72,70,68,66,64,62,60,58,56,54,50,51,166,167,314,315,494,495,
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569,568,373,372,209,208,79,77,75,73,71,69,67,65,63,61,59,57,55,52,53,168,169,316,317,496,497,
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567,566,371,370,206,204,202,200,198,196,194,192,190,188,186,184,182,180,178,176,174,170,171,318,319,498,499,
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565,564,369,368,207,205,203,201,199,197,195,193,191,189,187,185,183,181,179,177,175,172,173,320,321,500,501,
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563,562,366,364,362,360,358,356,354,352,350,348,346,344,342,340,338,336,334,332,330,328,326,322,323,502,503,
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561,560,367,365,363,361,359,357,355,353,351,349,347,345,343,341,339,337,335,333,331,329,327,324,325,504,505,
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558,556,554,552,550,548,546,544,542,540,538,536,534,532,530,528,526,524,522,520,518,516,514,512,510,506,507,
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559,557,555,553,551,549,547,545,543,541,539,537,535,533,531,529,527,525,523,521,519,517,515,513,511,508,509
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};
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const int AztecCodeSet[128] = { /* From Table 2 */
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32, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 12, 32, 32, 32, 32, 32, 32,
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32, 32, 32, 32, 32, 32, 32, 4, 4, 4, 4, 4, 23, 8, 8, 8, 8, 8, 8, 8,
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8, 8, 8, 8, 24, 8, 24, 8, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 8, 8,
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8, 8, 8, 8, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 8, 4, 8, 4, 4, 4, 2, 2, 2,
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2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
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2, 2, 2, 8, 4, 8, 4, 4
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};
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const int AztecSymbolChar[128] = { /* From Table 2 */
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0, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 300, 14, 15, 16, 17, 18, 19,
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20, 21, 22, 23, 24, 25, 26, 15, 16, 17, 18, 19, 1, 6, 7, 8, 9, 10, 11, 12,
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13, 14, 15, 16, 301, 18, 302, 20, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 21, 22,
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23, 24, 25, 26, 20, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
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17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 27, 21, 28, 22, 23, 24, 2, 3, 4,
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5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24,
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25, 26, 27, 29, 25, 30, 26, 27
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};
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/* Problem characters are:
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300: Carriage Return (ASCII 13)
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301: Comma (ASCII 44)
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302: Full Stop (ASCII 46)
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*/
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static const char *hexbit[32] = {"00000", "00001", "00010", "00011", "00100", "00101", "00110", "00111", "01000", "01001",
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"01010", "01011", "01100", "01101", "01110", "01111", "10000", "10001", "10010", "10011", "10100", "10101",
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"10110", "10111", "11000", "11001", "11010", "11011", "11100", "11101", "11110", "11111"
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};
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static const char *pentbit[16] = {"0000", "0001", "0010", "0011", "0100", "0101", "0110", "0111", "1000", "1001",
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"1010", "1011", "1100", "1101", "1110", "1111"
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};
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static const char *tribit[8] = {"000", "001", "010", "011", "100", "101", "110", "111"};
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static const int AztecSizes[32] = { /* Codewords per symbol */
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21, 48, 60, 88, 120, 156, 196, 240, 230, 272, 316, 364, 416, 470, 528, 588, 652, 720, 790,
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864, 940, 1020, 920, 992, 1066, 1144, 1224, 1306, 1392, 1480, 1570, 1664
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};
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static const int AztecCompactSizes[4] = { 17, 40, 51, 76 };
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static const int Aztec10DataSizes[32] = { /* Data bits per symbol maximum with 10% error correction */
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96, 246, 408, 616, 840, 1104, 1392, 1704, 2040, 2420, 2820, 3250, 3720, 4200, 4730,
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5270, 5840, 6450, 7080, 7750, 8430, 9150, 9900, 10680, 11484, 12324, 13188, 14076,
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15000, 15948, 16920, 17940
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};
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static const int Aztec23DataSizes[32] = { /* Data bits per symbol maximum with 23% error correction */
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84, 204, 352, 520, 720, 944, 1184, 1456, 1750, 2070, 2410, 2780, 3180, 3590, 4040,
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4500, 5000, 5520, 6060, 6630, 7210, 7830, 8472, 9132, 9816, 10536, 11280, 12036,
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12828, 13644, 14472, 15348
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};
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static const int Aztec36DataSizes[32] = { /* Data bits per symbol maximum with 36% error correction */
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66, 168, 288, 432, 592, 776, 984, 1208, 1450, 1720, 2000, 2300, 2640, 2980, 3350,
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3740, 4150, 4580, 5030, 5500, 5990, 6500, 7032, 7584, 8160, 8760, 9372, 9996, 10656,
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11340, 12024, 12744
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};
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static const int Aztec50DataSizes[32] = { /* Data bits per symbol maximum with 50% error correction */
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48, 126, 216, 328, 456, 600, 760, 936, 1120, 1330, 1550, 1790, 2050, 2320, 2610,
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2910, 3230, 3570, 3920, 4290, 4670, 5070, 5484, 5916, 6360, 6828, 7308, 7800, 8316,
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8844, 9384, 9948
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};
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static const int AztecCompact10DataSizes [4] = { 78, 198, 336, 520 };
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static const int AztecCompact23DataSizes [4] = { 66, 168, 288, 440 };
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static const int AztecCompact36DataSizes [4] = { 48, 138, 232, 360 };
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static const int AztecCompact50DataSizes [4] = { 36, 102, 176, 280 };
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static const int AztecOffset[32] = {
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66, 64, 62, 60, 57, 55, 53, 51, 49, 47, 45, 42, 40, 38, 36, 34, 32, 30, 28, 25, 23, 21,
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19, 17, 15, 13, 10, 8, 6, 4, 2, 0
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};
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static const int AztecCompactOffset[4] = { 6, 4, 2, 0 };
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