See Release Notes
Long Term Support Release
Differences Between: [Versions 310 and 401] [Versions 311 and 401] [Versions 39 and 401]
1 <?php 2 3 /** 4 * SCSSPHP 5 * 6 * @copyright 2012-2020 Leaf Corcoran 7 * 8 * @license http://opensource.org/licenses/MIT MIT 9 * 10 * @link http://scssphp.github.io/scssphp 11 */ 12 13 namespace ScssPhp\ScssPhp; 14 15 /** 16 * CSS Colors 17 * 18 * @author Leaf Corcoran <leafot@gmail.com> 19 * 20 * @internal 21 */ 22 class Colors 23 { 24 /** 25 * CSS Colors 26 * 27 * @see http://www.w3.org/TR/css3-color 28 * 29 * @var array<string, string> 30 */ 31 protected static $cssColors = [ 32 'aliceblue' => '240,248,255', 33 'antiquewhite' => '250,235,215', 34 'aqua' => '0,255,255', 35 'cyan' => '0,255,255', 36 'aquamarine' => '127,255,212', 37 'azure' => '240,255,255', 38 'beige' => '245,245,220', 39 'bisque' => '255,228,196', 40 'black' => '0,0,0', 41 'blanchedalmond' => '255,235,205', 42 'blue' => '0,0,255', 43 'blueviolet' => '138,43,226', 44 'brown' => '165,42,42', 45 'burlywood' => '222,184,135', 46 'cadetblue' => '95,158,160', 47 'chartreuse' => '127,255,0', 48 'chocolate' => '210,105,30', 49 'coral' => '255,127,80', 50 'cornflowerblue' => '100,149,237', 51 'cornsilk' => '255,248,220', 52 'crimson' => '220,20,60', 53 'darkblue' => '0,0,139', 54 'darkcyan' => '0,139,139', 55 'darkgoldenrod' => '184,134,11', 56 'darkgray' => '169,169,169', 57 'darkgrey' => '169,169,169', 58 'darkgreen' => '0,100,0', 59 'darkkhaki' => '189,183,107', 60 'darkmagenta' => '139,0,139', 61 'darkolivegreen' => '85,107,47', 62 'darkorange' => '255,140,0', 63 'darkorchid' => '153,50,204', 64 'darkred' => '139,0,0', 65 'darksalmon' => '233,150,122', 66 'darkseagreen' => '143,188,143', 67 'darkslateblue' => '72,61,139', 68 'darkslategray' => '47,79,79', 69 'darkslategrey' => '47,79,79', 70 'darkturquoise' => '0,206,209', 71 'darkviolet' => '148,0,211', 72 'deeppink' => '255,20,147', 73 'deepskyblue' => '0,191,255', 74 'dimgray' => '105,105,105', 75 'dimgrey' => '105,105,105', 76 'dodgerblue' => '30,144,255', 77 'firebrick' => '178,34,34', 78 'floralwhite' => '255,250,240', 79 'forestgreen' => '34,139,34', 80 'fuchsia' => '255,0,255', 81 'magenta' => '255,0,255', 82 'gainsboro' => '220,220,220', 83 'ghostwhite' => '248,248,255', 84 'gold' => '255,215,0', 85 'goldenrod' => '218,165,32', 86 'gray' => '128,128,128', 87 'grey' => '128,128,128', 88 'green' => '0,128,0', 89 'greenyellow' => '173,255,47', 90 'honeydew' => '240,255,240', 91 'hotpink' => '255,105,180', 92 'indianred' => '205,92,92', 93 'indigo' => '75,0,130', 94 'ivory' => '255,255,240', 95 'khaki' => '240,230,140', 96 'lavender' => '230,230,250', 97 'lavenderblush' => '255,240,245', 98 'lawngreen' => '124,252,0', 99 'lemonchiffon' => '255,250,205', 100 'lightblue' => '173,216,230', 101 'lightcoral' => '240,128,128', 102 'lightcyan' => '224,255,255', 103 'lightgoldenrodyellow' => '250,250,210', 104 'lightgray' => '211,211,211', 105 'lightgrey' => '211,211,211', 106 'lightgreen' => '144,238,144', 107 'lightpink' => '255,182,193', 108 'lightsalmon' => '255,160,122', 109 'lightseagreen' => '32,178,170', 110 'lightskyblue' => '135,206,250', 111 'lightslategray' => '119,136,153', 112 'lightslategrey' => '119,136,153', 113 'lightsteelblue' => '176,196,222', 114 'lightyellow' => '255,255,224', 115 'lime' => '0,255,0', 116 'limegreen' => '50,205,50', 117 'linen' => '250,240,230', 118 'maroon' => '128,0,0', 119 'mediumaquamarine' => '102,205,170', 120 'mediumblue' => '0,0,205', 121 'mediumorchid' => '186,85,211', 122 'mediumpurple' => '147,112,219', 123 'mediumseagreen' => '60,179,113', 124 'mediumslateblue' => '123,104,238', 125 'mediumspringgreen' => '0,250,154', 126 'mediumturquoise' => '72,209,204', 127 'mediumvioletred' => '199,21,133', 128 'midnightblue' => '25,25,112', 129 'mintcream' => '245,255,250', 130 'mistyrose' => '255,228,225', 131 'moccasin' => '255,228,181', 132 'navajowhite' => '255,222,173', 133 'navy' => '0,0,128', 134 'oldlace' => '253,245,230', 135 'olive' => '128,128,0', 136 'olivedrab' => '107,142,35', 137 'orange' => '255,165,0', 138 'orangered' => '255,69,0', 139 'orchid' => '218,112,214', 140 'palegoldenrod' => '238,232,170', 141 'palegreen' => '152,251,152', 142 'paleturquoise' => '175,238,238', 143 'palevioletred' => '219,112,147', 144 'papayawhip' => '255,239,213', 145 'peachpuff' => '255,218,185', 146 'peru' => '205,133,63', 147 'pink' => '255,192,203', 148 'plum' => '221,160,221', 149 'powderblue' => '176,224,230', 150 'purple' => '128,0,128', 151 'red' => '255,0,0', 152 'rosybrown' => '188,143,143', 153 'royalblue' => '65,105,225', 154 'saddlebrown' => '139,69,19', 155 'salmon' => '250,128,114', 156 'sandybrown' => '244,164,96', 157 'seagreen' => '46,139,87', 158 'seashell' => '255,245,238', 159 'sienna' => '160,82,45', 160 'silver' => '192,192,192', 161 'skyblue' => '135,206,235', 162 'slateblue' => '106,90,205', 163 'slategray' => '112,128,144', 164 'slategrey' => '112,128,144', 165 'snow' => '255,250,250', 166 'springgreen' => '0,255,127', 167 'steelblue' => '70,130,180', 168 'tan' => '210,180,140', 169 'teal' => '0,128,128', 170 'thistle' => '216,191,216', 171 'tomato' => '255,99,71', 172 'turquoise' => '64,224,208', 173 'violet' => '238,130,238', 174 'wheat' => '245,222,179', 175 'white' => '255,255,255', 176 'whitesmoke' => '245,245,245', 177 'yellow' => '255,255,0', 178 'yellowgreen' => '154,205,50', 179 'rebeccapurple' => '102,51,153', 180 'transparent' => '0,0,0,0', 181 ]; 182 183 /** 184 * Convert named color in a [r,g,b[,a]] array 185 * 186 * @param string $colorName 187 * 188 * @return int[]|null 189 */ 190 public static function colorNameToRGBa($colorName) 191 { 192 if (\is_string($colorName) && isset(static::$cssColors[$colorName])) { 193 $rgba = explode(',', static::$cssColors[$colorName]); 194 195 // only case with opacity is transparent, with opacity=0, so we can intval on opacity also 196 $rgba = array_map('intval', $rgba); 197 198 return $rgba; 199 } 200 201 return null; 202 } 203 204 /** 205 * Reverse conversion : from RGBA to a color name if possible 206 * 207 * @param int $r 208 * @param int $g 209 * @param int $b 210 * @param int|float $a 211 * 212 * @return string|null 213 */ 214 public static function RGBaToColorName($r, $g, $b, $a = 1) 215 { 216 static $reverseColorTable = null; 217 218 if (! is_numeric($r) || ! is_numeric($g) || ! is_numeric($b) || ! is_numeric($a)) { 219 return null; 220 } 221 222 if ($a < 1) { 223 return null; 224 } 225 226 if (\is_null($reverseColorTable)) { 227 $reverseColorTable = []; 228 229 foreach (static::$cssColors as $name => $rgb_str) { 230 $rgb_str = explode(',', $rgb_str); 231 232 if ( 233 \count($rgb_str) == 3 && 234 ! isset($reverseColorTable[\intval($rgb_str[0])][\intval($rgb_str[1])][\intval($rgb_str[2])]) 235 ) { 236 $reverseColorTable[\intval($rgb_str[0])][\intval($rgb_str[1])][\intval($rgb_str[2])] = $name; 237 } 238 } 239 } 240 241 if (isset($reverseColorTable[\intval($r)][\intval($g)][\intval($b)])) { 242 return $reverseColorTable[\intval($r)][\intval($g)][\intval($b)]; 243 } 244 245 return null; 246 } 247 }
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