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| 1 | <?php |
| 2 | /** |
| 3 | * Pop PHP Framework (https://www.popphp.org/) |
| 4 | * |
| 5 | * @link https://github.com/popphp/popphp-framework |
| 6 | * @author Nick Sagona, III <dev@noladev.com> |
| 7 | * @copyright Copyright (c) 2009-2026 NOLA Interactive, LLC. |
| 8 | * @license https://www.popphp.org/license New BSD License |
| 9 | */ |
| 10 | |
| 11 | /** |
| 12 | * @namespace |
| 13 | */ |
| 14 | namespace Pop\Color; |
| 15 | |
| 16 | use ReflectionException; |
| 17 | |
| 18 | /** |
| 19 | * Pop color class |
| 20 | * |
| 21 | * @category Pop |
| 22 | * @package Pop\Color |
| 23 | * @author Nick Sagona, III <dev@noladev.com> |
| 24 | * @copyright Copyright (c) 2009-2026 NOLA Interactive, LLC. |
| 25 | * @license https://www.popphp.org/license New BSD License |
| 26 | * @version 1.0.3 |
| 27 | */ |
| 28 | class Color |
| 29 | { |
| 30 | |
| 31 | /** |
| 32 | * Instantiate an RGB color object |
| 33 | * |
| 34 | * @param int $r |
| 35 | * @param int $g |
| 36 | * @param int $b |
| 37 | * @param ?float $a |
| 38 | * @return Color\Rgb |
| 39 | */ |
| 40 | public static function rgb(int $r, int $g, int $b, ?float $a = null): Color\Rgb |
| 41 | { |
| 42 | return new Color\Rgb($r, $g, $b, $a); |
| 43 | } |
| 44 | |
| 45 | /** |
| 46 | * Instantiate an HSL color object |
| 47 | * |
| 48 | * @param int $h |
| 49 | * @param int $s |
| 50 | * @param int $l |
| 51 | * @param ?float $a |
| 52 | * @return Color\Hsl |
| 53 | */ |
| 54 | public static function hsl(int $h, int $s, int $l, ?float $a = null): Color\Hsl |
| 55 | { |
| 56 | return new Color\Hsl($h, $s, $l, $a); |
| 57 | } |
| 58 | |
| 59 | /** |
| 60 | * Instantiate a Hex color object |
| 61 | * |
| 62 | * @param string $hex |
| 63 | * @return Color\Hex |
| 64 | */ |
| 65 | public static function hex(string $hex): Color\Hex |
| 66 | { |
| 67 | return new Color\Hex($hex); |
| 68 | } |
| 69 | |
| 70 | /** |
| 71 | * Instantiate a CMYK color object |
| 72 | * |
| 73 | * @param int $c |
| 74 | * @param int $m |
| 75 | * @param int $y |
| 76 | * @param int $k |
| 77 | * @return Color\Cmyk |
| 78 | */ |
| 79 | public static function cmyk(int $c, int $m, int $y, int $k): Color\Cmyk |
| 80 | { |
| 81 | return new Color\Cmyk($c, $m, $y, $k); |
| 82 | } |
| 83 | |
| 84 | /** |
| 85 | * Instantiate a grayscale color object |
| 86 | * |
| 87 | * @param int $gray |
| 88 | * @return Color\Grayscale |
| 89 | */ |
| 90 | public static function grayscale(int $gray): Color\Grayscale |
| 91 | { |
| 92 | return new Color\Grayscale($gray); |
| 93 | } |
| 94 | |
| 95 | /** |
| 96 | * Parse color from string |
| 97 | * |
| 98 | * @param string $colorString |
| 99 | * @throws Color\Exception|ReflectionException |
| 100 | * @return Color\ColorInterface |
| 101 | */ |
| 102 | public static function parse(string $colorString): Color\ColorInterface |
| 103 | { |
| 104 | $colorString = strtolower($colorString); |
| 105 | |
| 106 | if (str_starts_with($colorString, 'rgb')) { |
| 107 | $params = self::parseColorValues($colorString); |
| 108 | return (new \ReflectionClass('Pop\Color\Color\Rgb'))->newInstanceArgs($params); |
| 109 | } else if (str_starts_with($colorString, 'hsl')) { |
| 110 | $params = self::parseColorValues($colorString); |
| 111 | return (new \ReflectionClass('Pop\Color\Color\Hsl'))->newInstanceArgs($params); |
| 112 | } else if (str_starts_with($colorString, '#')) { |
| 113 | return new Color\Hex($colorString); |
| 114 | } else if (substr_count($colorString, ' ') == 3) { |
| 115 | $params = self::parseColorValues($colorString, false); |
| 116 | return (new \ReflectionClass('Pop\Color\Color\Cmyk'))->newInstanceArgs($params); |
| 117 | } else if (is_numeric($colorString)) { |
| 118 | return new Color\Grayscale($colorString); |
| 119 | } |
| 120 | else { |
| 121 | throw new Color\Exception('Error: The string was not in the correct color format.'); |
| 122 | } |
| 123 | } |
| 124 | |
| 125 | /** |
| 126 | * Parse color values from string |
| 127 | * |
| 128 | * @param string $colorString |
| 129 | * @param bool $comma |
| 130 | * @return array |
| 131 | */ |
| 132 | public static function parseColorValues(string $colorString, $comma = true): array |
| 133 | { |
| 134 | if ((str_contains($colorString, '(')) && (str_contains($colorString, ')'))) { |
| 135 | $colorString = substr($colorString, (strpos($colorString, '(') + 1)); |
| 136 | $colorString = substr($colorString, 0, strpos($colorString, ')')); |
| 137 | } |
| 138 | |
| 139 | $values = ($comma) ? explode(',' , $colorString) : explode(' ', $colorString); |
| 140 | return array_map('trim', $values); |
| 141 | } |
| 142 | |
| 143 | } |