1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
| /**
| * Symbol info table for DataMatrix.
| */
| class SymbolInfo {
| constructor(rectangular, dataCapacity, errorCodewords, matrixWidth, matrixHeight, dataRegions, rsBlockData = 0, rsBlockError = 0) {
| this.rectangular = rectangular;
| this.dataCapacity = dataCapacity;
| this.errorCodewords = errorCodewords;
| this.matrixWidth = matrixWidth;
| this.matrixHeight = matrixHeight;
| this.dataRegions = dataRegions;
| this.rsBlockData = rsBlockData;
| this.rsBlockError = rsBlockError;
| }
| static lookup(dataCodewords, shape = 0 /* FORCE_NONE */, minSize = null, maxSize = null, fail = true) {
| for (const symbol of PROD_SYMBOLS) {
| if (shape === 1 /* FORCE_SQUARE */ && symbol.rectangular) {
| continue;
| }
| if (shape === 2 /* FORCE_RECTANGLE */ && !symbol.rectangular) {
| continue;
| }
| if (minSize != null &&
| (symbol.getSymbolWidth() < minSize.getWidth() ||
| symbol.getSymbolHeight() < minSize.getHeight())) {
| continue;
| }
| if (maxSize != null &&
| (symbol.getSymbolWidth() > maxSize.getWidth() ||
| symbol.getSymbolHeight() > maxSize.getHeight())) {
| continue;
| }
| if (dataCodewords <= symbol.dataCapacity) {
| return symbol;
| }
| }
| if (fail) {
| throw new Error("Can't find a symbol arrangement that matches the message. Data codewords: " +
| dataCodewords);
| }
| return null;
| }
| getHorizontalDataRegions() {
| switch (this.dataRegions) {
| case 1:
| return 1;
| case 2:
| case 4:
| return 2;
| case 16:
| return 4;
| case 36:
| return 6;
| default:
| throw new Error('Cannot handle this number of data regions');
| }
| }
| getVerticalDataRegions() {
| switch (this.dataRegions) {
| case 1:
| case 2:
| return 1;
| case 4:
| return 2;
| case 16:
| return 4;
| case 36:
| return 6;
| default:
| throw new Error('Cannot handle this number of data regions');
| }
| }
| getSymbolDataWidth() {
| return this.getHorizontalDataRegions() * this.matrixWidth;
| }
| getSymbolDataHeight() {
| return this.getVerticalDataRegions() * this.matrixHeight;
| }
| getSymbolWidth() {
| return this.getSymbolDataWidth() + this.getHorizontalDataRegions() * 2;
| }
| getSymbolHeight() {
| return this.getSymbolDataHeight() + this.getVerticalDataRegions() * 2;
| }
| getCodewordCount() {
| return this.dataCapacity + this.errorCodewords;
| }
| getInterleavedBlockCount() {
| if (!this.rsBlockData)
| return 1;
| return this.dataCapacity / this.rsBlockData;
| }
| getDataCapacity() {
| return this.dataCapacity;
| }
| getErrorCodewords() {
| return this.errorCodewords;
| }
| getDataLengthForInterleavedBlock(index) {
| return this.rsBlockData;
| }
| getErrorLengthForInterleavedBlock(index) {
| return this.rsBlockError;
| }
| }
| export default SymbolInfo;
| class DataMatrixSymbolInfo144 extends SymbolInfo {
| constructor() {
| super(false, 1558, 620, 22, 22, 36, -1, 62);
| }
| getInterleavedBlockCount() {
| return 10;
| }
| getDataLengthForInterleavedBlock(index) {
| return index <= 8 ? 156 : 155;
| }
| }
| export const PROD_SYMBOLS = [
| new SymbolInfo(false, 3, 5, 8, 8, 1),
| new SymbolInfo(false, 5, 7, 10, 10, 1),
| /*rect*/ new SymbolInfo(true, 5, 7, 16, 6, 1),
| new SymbolInfo(false, 8, 10, 12, 12, 1),
| /*rect*/ new SymbolInfo(true, 10, 11, 14, 6, 2),
| new SymbolInfo(false, 12, 12, 14, 14, 1),
| /*rect*/ new SymbolInfo(true, 16, 14, 24, 10, 1),
| new SymbolInfo(false, 18, 14, 16, 16, 1),
| new SymbolInfo(false, 22, 18, 18, 18, 1),
| /*rect*/ new SymbolInfo(true, 22, 18, 16, 10, 2),
| new SymbolInfo(false, 30, 20, 20, 20, 1),
| /*rect*/ new SymbolInfo(true, 32, 24, 16, 14, 2),
| new SymbolInfo(false, 36, 24, 22, 22, 1),
| new SymbolInfo(false, 44, 28, 24, 24, 1),
| /*rect*/ new SymbolInfo(true, 49, 28, 22, 14, 2),
| new SymbolInfo(false, 62, 36, 14, 14, 4),
| new SymbolInfo(false, 86, 42, 16, 16, 4),
| new SymbolInfo(false, 114, 48, 18, 18, 4),
| new SymbolInfo(false, 144, 56, 20, 20, 4),
| new SymbolInfo(false, 174, 68, 22, 22, 4),
| new SymbolInfo(false, 204, 84, 24, 24, 4, 102, 42),
| new SymbolInfo(false, 280, 112, 14, 14, 16, 140, 56),
| new SymbolInfo(false, 368, 144, 16, 16, 16, 92, 36),
| new SymbolInfo(false, 456, 192, 18, 18, 16, 114, 48),
| new SymbolInfo(false, 576, 224, 20, 20, 16, 144, 56),
| new SymbolInfo(false, 696, 272, 22, 22, 16, 174, 68),
| new SymbolInfo(false, 816, 336, 24, 24, 16, 136, 56),
| new SymbolInfo(false, 1050, 408, 18, 18, 36, 175, 68),
| new SymbolInfo(false, 1304, 496, 20, 20, 36, 163, 62),
| new DataMatrixSymbolInfo144(),
| ];
|
|
