Code Coverage for /var/www/html/dev/src/phpOMS/Utils/Encoding/Gray.php

1	<?php
2	/**
3	* Jingga
4	*
5	* PHP Version 8.1
6	*
7	* @package phpOMS\Utils\Encoding
8	* @copyright Dennis Eichhorn
9	* @license OMS License 2.0
10	* @version 1.0.0
11	* @link https://jingga.app
12	*/
13	declare(strict_types=1);
14
15	namespace phpOMS\Utils\Encoding;
16
17	/**
18	* Gray encoding class
19	*
20	* @package phpOMS\Utils\Encoding
21	* @license OMS License 2.0
22	* @link https://jingga.app
23	* @since 1.0.0
24	*/
25	final class Gray
26	{
27	/**
28	* Encode source text
29	*
30	* @param int $source Source to encode
31	*
32	* @return int
33	*
34	* @since 1.0.0
35	*/
36	public static function encode(int $source) : int
37	{
38	return $source ^ ($source >> 1);
39	}
40
41	/**
42	* Dedecodes text
43	*
44	* @param int $gray encoded value to dedecode
45	*
46	* @return int
47	*
48	* @since 1.0.0
49	*/
50	public static function decode(int $gray) : int
51	{
52	$source = $gray;
53
54	while ($gray >>= 1) {
55	$source ^= $gray;
56	}
57
58	return $source;
59	}
60	}