FormatInformation::getMaskPattern() - Code Metrics - Inspection of ":shower: mask pattern cleanup" - chillerlan/php-qrcode - Measure and Improve Code Quality continuously with Scrutinizer

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by smiley

created 2021-11-26 20:33 UTC

FormatInformation::getMaskPattern() A

↳ Parent: FormatInformation

Complexity

Conditions	1
Paths	1

Size

Total Lines	2
Code Lines	1

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	1
eloc	1
c	0
b	0
f	0
nc	1
nop	0
dl	0
loc	2
rs	10

<?php
/**
 * Class FormatInformation
 *
 * @created      24.01.2021
 * @author       ZXing Authors
 * @author       Smiley <[email protected]>
 * @copyright    2021 Smiley
 * @license      Apache-2.0
 */

namespace chillerlan\QRCode\Common;

/**
 * Encapsulates a QR Code's format information, including the data mask used and error correction level.
 *
 * @author Sean Owen
 * @see    \chillerlan\QRCode\Common\EccLevel
 */
final class FormatInformation{

	public const FORMAT_INFO_MASK_QR = 0x5412;

	/**
	 * See ISO 18004:2006, Annex C, Table C.1
	 *
	 * [data bits, sequence after masking]
	 */
	public const DECODE_LOOKUP = [
		[0x00, 0x5412],
		[0x01, 0x5125],
		[0x02, 0x5E7C],
		[0x03, 0x5B4B],
		[0x04, 0x45F9],
		[0x05, 0x40CE],
		[0x06, 0x4F97],
		[0x07, 0x4AA0],
		[0x08, 0x77C4],
		[0x09, 0x72F3],
		[0x0A, 0x7DAA],
		[0x0B, 0x789D],
		[0x0C, 0x662F],
		[0x0D, 0x6318],
		[0x0E, 0x6C41],
		[0x0F, 0x6976],
		[0x10, 0x1689],
		[0x11, 0x13BE],
		[0x12, 0x1CE7],
		[0x13, 0x19D0],
		[0x14, 0x0762],
		[0x15, 0x0255],
		[0x16, 0x0D0C],
		[0x17, 0x083B],
		[0x18, 0x355F],
		[0x19, 0x3068],
		[0x1A, 0x3F31],
		[0x1B, 0x3A06],
		[0x1C, 0x24B4],
		[0x1D, 0x2183],
		[0x1E, 0x2EDA],
		[0x1F, 0x2BED],
	];

	/**
	 * The current ECC level value
	 *
	 * L: 0b01
	 * M: 0b00
	 * Q: 0b11
	 * H: 0b10
	 */
	private int $errorCorrectionLevel;

	/**
	 * The current mask pattern (0-7)
	 */
	private int $maskPattern;

	/**
	 * Receives the format information from a parsed QR Code, detects ECC level and mask pattern
	 */
	public function __construct(int $formatInfo){
		$this->errorCorrectionLevel = ($formatInfo >> 3) & 0x03; // Bits 3,4
		$this->maskPattern          = ($formatInfo & 0x07); // Bottom 3 bits
	}

	/**
	 * Returns and EccLevel instance ith the detected ECC level set
	 */
	public function getErrorCorrectionLevel():EccLevel{
		return new EccLevel($this->errorCorrectionLevel);
	}

	/**
	 * Returns a MaskPattern instance with the detected mask pattern set
	 */
	public function getMaskPattern():MaskPattern{
		return new MaskPattern($this->maskPattern);
	}

}



1			<?php
2			/**
3			* Class FormatInformation
4			*
5			* @created 24.01.2021
6			* @author ZXing Authors
7			* @author Smiley <[email protected]>
8			* @copyright 2021 Smiley
9			* @license Apache-2.0
10			*/
11
12			namespace chillerlan\QRCode\Common;
13
14			/**
15			* Encapsulates a QR Code's format information, including the data mask used and error correction level.
16			*
17			* @author Sean Owen
18			* @see \chillerlan\QRCode\Common\EccLevel
19			*/
20			final class FormatInformation{
21
22			public const FORMAT_INFO_MASK_QR = 0x5412;
23
24			/**
25			* See ISO 18004:2006, Annex C, Table C.1
26			*
27			* [data bits, sequence after masking]
28			*/
29			public const DECODE_LOOKUP = [
30			[0x00, 0x5412],
31			[0x01, 0x5125],
32			[0x02, 0x5E7C],
33			[0x03, 0x5B4B],
34			[0x04, 0x45F9],
35			[0x05, 0x40CE],
36			[0x06, 0x4F97],
37			[0x07, 0x4AA0],
38			[0x08, 0x77C4],
39			[0x09, 0x72F3],
40			[0x0A, 0x7DAA],
41			[0x0B, 0x789D],
42			[0x0C, 0x662F],
43			[0x0D, 0x6318],
44			[0x0E, 0x6C41],
45			[0x0F, 0x6976],
46			[0x10, 0x1689],
47			[0x11, 0x13BE],
48			[0x12, 0x1CE7],
49			[0x13, 0x19D0],
50			[0x14, 0x0762],
51			[0x15, 0x0255],
52			[0x16, 0x0D0C],
53			[0x17, 0x083B],
54			[0x18, 0x355F],
55			[0x19, 0x3068],
56			[0x1A, 0x3F31],
57			[0x1B, 0x3A06],
58			[0x1C, 0x24B4],
59			[0x1D, 0x2183],
60			[0x1E, 0x2EDA],
61			[0x1F, 0x2BED],
62			];
63
64			/**
65			* The current ECC level value
66			*
67			* L: 0b01
68			* M: 0b00
69			* Q: 0b11
70			* H: 0b10
71			*/
72			private int $errorCorrectionLevel;
73
74			/**
75			* The current mask pattern (0-7)
76			*/
77			private int $maskPattern;
78
79			/**
80			* Receives the format information from a parsed QR Code, detects ECC level and mask pattern
81			*/
82			public function __construct(int $formatInfo){
83			$this->errorCorrectionLevel = ($formatInfo >> 3) & 0x03; // Bits 3,4
84			$this->maskPattern = ($formatInfo & 0x07); // Bottom 3 bits
85			}
86
87			/**
88			* Returns and EccLevel instance ith the detected ECC level set
89			*/
90			public function getErrorCorrectionLevel():EccLevel{
91			return new EccLevel($this->errorCorrectionLevel);
92			}
93
94			/**
95			* Returns a MaskPattern instance with the detected mask pattern set
96			*/
97			public function getMaskPattern():MaskPattern{
98			return new MaskPattern($this->maskPattern);
99			}
100
101			}
102
103

chillerlan / php-qrcode

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FormatInformation::getMaskPattern() A

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