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Editing: Colors.php
<?php /** * SCSSPHP * * @copyright 2012-2020 Leaf Corcoran * * @license http://opensource.org/licenses/MIT MIT * * @link http://scssphp.github.io/scssphp */ namespace ScssPhp\ScssPhp; /** * CSS Colors * * @author Leaf Corcoran <leafot@gmail.com> * * @internal */ class Colors { /** * CSS Colors * * @see http://www.w3.org/TR/css3-color * * @var array<string, string> */ protected static $cssColors = [ 'aliceblue' => '240,248,255', 'antiquewhite' => '250,235,215', 'aqua' => '0,255,255', 'cyan' => '0,255,255', 'aquamarine' => '127,255,212', 'azure' => '240,255,255', 'beige' => '245,245,220', 'bisque' => '255,228,196', 'black' => '0,0,0', 'blanchedalmond' => '255,235,205', 'blue' => '0,0,255', 'blueviolet' => '138,43,226', 'brown' => '165,42,42', 'burlywood' => '222,184,135', 'cadetblue' => '95,158,160', 'chartreuse' => '127,255,0', 'chocolate' => '210,105,30', 'coral' => '255,127,80', 'cornflowerblue' => '100,149,237', 'cornsilk' => '255,248,220', 'crimson' => '220,20,60', 'darkblue' => '0,0,139', 'darkcyan' => '0,139,139', 'darkgoldenrod' => '184,134,11', 'darkgray' => '169,169,169', 'darkgrey' => '169,169,169', 'darkgreen' => '0,100,0', 'darkkhaki' => '189,183,107', 'darkmagenta' => '139,0,139', 'darkolivegreen' => '85,107,47', 'darkorange' => '255,140,0', 'darkorchid' => '153,50,204', 'darkred' => '139,0,0', 'darksalmon' => '233,150,122', 'darkseagreen' => '143,188,143', 'darkslateblue' => '72,61,139', 'darkslategray' => '47,79,79', 'darkslategrey' => '47,79,79', 'darkturquoise' => '0,206,209', 'darkviolet' => '148,0,211', 'deeppink' => '255,20,147', 'deepskyblue' => '0,191,255', 'dimgray' => '105,105,105', 'dimgrey' => '105,105,105', 'dodgerblue' => '30,144,255', 'firebrick' => '178,34,34', 'floralwhite' => '255,250,240', 'forestgreen' => '34,139,34', 'fuchsia' => '255,0,255', 'magenta' => '255,0,255', 'gainsboro' => '220,220,220', 'ghostwhite' => '248,248,255', 'gold' => '255,215,0', 'goldenrod' => '218,165,32', 'gray' => '128,128,128', 'grey' => '128,128,128', 'green' => '0,128,0', 'greenyellow' => '173,255,47', 'honeydew' => '240,255,240', 'hotpink' => '255,105,180', 'indianred' => '205,92,92', 'indigo' => '75,0,130', 'ivory' => '255,255,240', 'khaki' => '240,230,140', 'lavender' => '230,230,250', 'lavenderblush' => '255,240,245', 'lawngreen' => '124,252,0', 'lemonchiffon' => '255,250,205', 'lightblue' => '173,216,230', 'lightcoral' => '240,128,128', 'lightcyan' => '224,255,255', 'lightgoldenrodyellow' => '250,250,210', 'lightgray' => '211,211,211', 'lightgrey' => '211,211,211', 'lightgreen' => '144,238,144', 'lightpink' => '255,182,193', 'lightsalmon' => '255,160,122', 'lightseagreen' => '32,178,170', 'lightskyblue' => '135,206,250', 'lightslategray' => '119,136,153', 'lightslategrey' => '119,136,153', 'lightsteelblue' => '176,196,222', 'lightyellow' => '255,255,224', 'lime' => '0,255,0', 'limegreen' => '50,205,50', 'linen' => '250,240,230', 'maroon' => '128,0,0', 'mediumaquamarine' => '102,205,170', 'mediumblue' => '0,0,205', 'mediumorchid' => '186,85,211', 'mediumpurple' => '147,112,219', 'mediumseagreen' => '60,179,113', 'mediumslateblue' => '123,104,238', 'mediumspringgreen' => '0,250,154', 'mediumturquoise' => '72,209,204', 'mediumvioletred' => '199,21,133', 'midnightblue' => '25,25,112', 'mintcream' => '245,255,250', 'mistyrose' => '255,228,225', 'moccasin' => '255,228,181', 'navajowhite' => '255,222,173', 'navy' => '0,0,128', 'oldlace' => '253,245,230', 'olive' => '128,128,0', 'olivedrab' => '107,142,35', 'orange' => '255,165,0', 'orangered' => '255,69,0', 'orchid' => '218,112,214', 'palegoldenrod' => '238,232,170', 'palegreen' => '152,251,152', 'paleturquoise' => '175,238,238', 'palevioletred' => '219,112,147', 'papayawhip' => '255,239,213', 'peachpuff' => '255,218,185', 'peru' => '205,133,63', 'pink' => '255,192,203', 'plum' => '221,160,221', 'powderblue' => '176,224,230', 'purple' => '128,0,128', 'red' => '255,0,0', 'rosybrown' => '188,143,143', 'royalblue' => '65,105,225', 'saddlebrown' => '139,69,19', 'salmon' => '250,128,114', 'sandybrown' => '244,164,96', 'seagreen' => '46,139,87', 'seashell' => '255,245,238', 'sienna' => '160,82,45', 'silver' => '192,192,192', 'skyblue' => '135,206,235', 'slateblue' => '106,90,205', 'slategray' => '112,128,144', 'slategrey' => '112,128,144', 'snow' => '255,250,250', 'springgreen' => '0,255,127', 'steelblue' => '70,130,180', 'tan' => '210,180,140', 'teal' => '0,128,128', 'thistle' => '216,191,216', 'tomato' => '255,99,71', 'turquoise' => '64,224,208', 'violet' => '238,130,238', 'wheat' => '245,222,179', 'white' => '255,255,255', 'whitesmoke' => '245,245,245', 'yellow' => '255,255,0', 'yellowgreen' => '154,205,50', 'rebeccapurple' => '102,51,153', 'transparent' => '0,0,0,0', ]; /** * Convert named color in a [r,g,b[,a]] array * * @param string $colorName * * @return int[]|null */ public static function colorNameToRGBa($colorName) { if (\is_string($colorName) && isset(static::$cssColors[$colorName])) { $rgba = explode(',', static::$cssColors[$colorName]); // only case with opacity is transparent, with opacity=0, so we can intval on opacity also $rgba = array_map('intval', $rgba); return $rgba; } return null; } /** * Reverse conversion : from RGBA to a color name if possible * * @param int $r * @param int $g * @param int $b * @param int|float $a * * @return string|null */ public static function RGBaToColorName($r, $g, $b, $a = 1) { static $reverseColorTable = null; if (! is_numeric($r) || ! is_numeric($g) || ! is_numeric($b) || ! is_numeric($a)) { return null; } if ($a < 1) { return null; } if (\is_null($reverseColorTable)) { $reverseColorTable = []; foreach (static::$cssColors as $name => $rgb_str) { $rgb_str = explode(',', $rgb_str); if ( \count($rgb_str) == 3 && ! isset($reverseColorTable[\intval($rgb_str[0])][\intval($rgb_str[1])][\intval($rgb_str[2])]) ) { $reverseColorTable[\intval($rgb_str[0])][\intval($rgb_str[1])][\intval($rgb_str[2])] = $name; } } } if (isset($reverseColorTable[\intval($r)][\intval($g)][\intval($b)])) { return $reverseColorTable[\intval($r)][\intval($g)][\intval($b)]; } return null; } }
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