ithox.qrcode.encoder.qrcode source code

1 module ithox.qrcode.encoder.qrcode;
2 
3 import ithox.qrcode.common.errorcorrectionlevel;
4 import ithox.qrcode.common.mode;
5 import ithox.qrcode.common.qrcodeversion;
6 import ithox.qrcode.common.bitmatrix;
7 import ithox.qrcode.common.bitarray;
8 import ithox.qrcode.encoder.bytematrix;
9 
10 /**
11 * QR code.
12 * @author donglei
13 */
14 class QrCode
15 {
16     /**
17 	* Number of possible mask patterns.
18 	*/
19     enum NUM_MASK_PATTERNS = 8;
20 
21     protected
22     {
23         Mode _mode; ///Mode of the QR code.
24         ErrorCorrectionLevel _errorCorrectionLevel; /// EC level of the QR code.
25 
26         QrCodeVersion _qrVersion; ///Version of the QR code.
27 
28         int _maskPattern = -1; ///Mask pattern of the QR code.
29 
30         ByteMatrix _matrix; ///Matrix of the QR code.
31     }
32 
33     public @property Mode mode()
34     {
35         return _mode;
36     }
37 
38     public @property void mode(Mode _m)
39     {
40         _mode = _m;
41     }
42 
43     public @property ErrorCorrectionLevel errorCorrectionLevel()
44     {
45         return _errorCorrectionLevel;
46     }
47 
48     public @property void errorCorrectionLevel(ErrorCorrectionLevel _m)
49     {
50         _errorCorrectionLevel = _m;
51     }
52 
53     public @property QrCodeVersion qrVersion()
54     {
55         return _qrVersion;
56     }
57 
58     public @property void qrVersion(QrCodeVersion _m)
59     {
60         _qrVersion = _m;
61     }
62 
63     public @property int maskPattern()
64     {
65         return _maskPattern;
66     }
67 
68     public @property void maskPattern(int _m)
69     {
70         _maskPattern = _m;
71     }
72 
73     public @property ByteMatrix matrix()
74     {
75         return _matrix;
76     }
77 
78     public @property void matrix(ByteMatrix _m)
79     {
80         _matrix = _m;
81     }
82 
83     /**
84 	* Validates whether a mask pattern is valid.
85 	*
86 	* @param  integer $maskPattern
87 	* @return boolean
88 	*/
89     public static bool isValidMaskPattern(int maskPattern)
90     {
91         return maskPattern > 0 && maskPattern < NUM_MASK_PATTERNS;
92     }
93 
94     /**
95 	* Returns a string representation of the QR code.
96 	*
97 	* @return string
98 	*/
99     public override string toString()
100     {
101         import std.array, std.conv;
102 
103         Appender!string result = appender!string();
104         result.put("<<\n");
105         result.put(" mode: ");
106         result.put(this.mode.toString());
107         result.put("\n");
108         result.put(" ecLevel: ");
109         result.put(to!string(getOrdinalErrorCorrectionLevel(this.errorCorrectionLevel)));
110         result.put("\n");
111         result.put(" version: ");
112         result.put(this.qrVersion.toString());
113         result.put("\n");
114         result.put(" maskPattern: ");
115         result.put(to!string(this.maskPattern));
116         result.put("\n");
117         if (this.matrix is null)
118         {
119             result.put(" matrix: null\n");
120         }
121         else
122         {
123             result.put(" matrix:\n");
124             result.put(this.matrix.toString());
125         }
126         result.put(">>\n");
127         return result.data;
128     }
129 }