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<?php |
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/** |
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* Class Color |
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* |
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* @link https://www.icy2003.com/ |
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* @author icy2003 <[email protected]> |
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* @copyright Copyright (c) 2017, icy2003 |
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*/ |
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namespace icy2003\php\ihelpers; |
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use Exception; |
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use icy2003\php\I; |
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use icy2003\php\C; |
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/** |
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* 颜色处理 |
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*/ |
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class Color |
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{ |
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/** |
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* 颜色名 |
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* |
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* @var array |
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*/ |
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protected static $_names = [ |
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'black' => 0x000000, |
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'darkgreen' => 0x006400, |
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'green' => 0x008000, |
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'maroon' => 0x800000, |
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'navy' => 0x000080, |
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'myrtle' => 0x21421E, |
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'bistre' => 0x3D2B1F, |
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'darkblue' => 0x00008B, |
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'darkred' => 0x8B0000, |
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'sapphire' => 0x082567, |
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'sangria' => 0x92000A, |
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'burgundy' => 0x800020, |
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'midnightblue' => 0x191970, |
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'ultramarine' => 0x120A8F, |
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'carmine' => 0x960018, |
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'taupe' => 0x483C32, |
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'chocolate' => 0x7B3F00, |
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'auburn' => 0x6D351A, |
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'sepia' => 0x704214, |
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'arsenic' => 0x3B444B, |
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'darkslategray' => 0x2F4F4F, |
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'indigo' => 0x4B0082, |
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'mediumblue' => 0x0000CD, |
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'forestgreen' => 0x228B22, |
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'charcoal' => 0x464646, |
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'russet' => 0x80461B, |
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'saddlebrown' => 0x8B4513, |
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'carnelian' => 0xB31B1B, |
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'liver' => 0x534B4F, |
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'darkolivegreen' => 0x556B2F, |
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'cobalt' => 0x0047AB, |
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'eggplant' => 0x614051, |
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'firebrick' => 0xB22222, |
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'bole' => 0x79443B, |
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'brown' => 0xA52A2A, |
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'byzantium' => 0x702963, |
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'feldgrau' => 0x4D5D53, |
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'blue' => 0x0000FF, |
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'lava' => 0xCF1020, |
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'lime' => 0x00FF00, |
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'red' => 0xFF0000, |
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'mahogany' => 0xC04000, |
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'olive' => 0x808000, |
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'purple' => 0x800080, |
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'teal' => 0x008080, |
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'rust' => 0xB7410E, |
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'cordovan' => 0x893F45, |
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'darkslateblue' => 0x483D8B, |
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'seagreen' => 0x2E8B57, |
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'jade' => 0x00A86B, |
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'darkcyan' => 0x008B8B, |
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'darkmagenta' => 0x8B008B, |
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'cardinal' => 0xC41E3A, |
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'olivedrab' => 0x6B8E23, |
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'sienna' => 0xA0522D, |
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'cerulean' => 0x007BA7, |
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'scarlet' => 0xFF2400, |
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'crimson' => 0xDC143C, |
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'viridian' => 0x40826D, |
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'limegreen' => 0x32CD32, |
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'denim' => 0x1560BD, |
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'malachite' => 0x0BDA51, |
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'dimgray' => 0x696969, |
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'harlequin' => 0x3FFF00, |
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'alizarin' => 0xE32636, |
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'orangered' => 0xFF4500, |
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'persimmon' => 0xEC5800, |
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'darkgoldenrod' => 0xB8860B, |
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'raspberry' => 0xE30B5C, |
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'ruby' => 0xE0115F, |
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'cinnabar' => 0xE34234, |
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'cinnamon' => 0xD2691E, |
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'vermilion' => 0xE34234, |
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'copper' => 0xB87333, |
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'amaranth' => 0xE52B50, |
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'mediumseagreen' => 0x3CB371, |
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'mediumvioletred' => 0xC71585, |
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'red-violet' => 0xC71585, |
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'ochre' => 0xCC7722, |
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'darkviolet' => 0x9400D3, |
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'xanadu' => 0x738678, |
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'cerise' => 0xDE3163, |
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'razzmatazz' => 0xE3256B, |
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'asparagus' => 0x7BA05B, |
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'tangerine' => 0xF28500, |
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'lawngreen' => 0x7CFC00, |
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'lightseagreen' => 0x20B2AA, |
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'steelblue' => 0x4682B4, |
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'bronze' => 0xCD7F32, |
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'chartreuse' => 0x7FFF00, |
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'rose' => 0xFF007F, |
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'springgreen' => 0x00FF7F, |
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'gray' => 0x808080, |
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'slategray' => 0x708090, |
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'chestnut' => 0xCD5C5C, |
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'indianred' => 0xCD5C5C, |
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'darkorange' => 0xFF8C00, |
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'royalblue' => 0x4169E1, |
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'pumpkin' => 0xFF7518, |
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'gamboge' => 0xE49B0F, |
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'emerald' => 0x50C878, |
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'peru' => 0xCD853F, |
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'slateblue' => 0x6A5ACD, |
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'mediumspringgreen' => 0x00FA9A, |
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'blueviolet' => 0x8A2BE2, |
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'darkorchid' => 0x9932CC, |
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'lightslategray' => 0x778899, |
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'yellowgreen' => 0x9ACD32, |
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'brass' => 0xB5A642, |
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'cadetblue' => 0x5F9EA0, |
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'darkturquoise' => 0x00CED1, |
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'goldenrod' => 0xDAA520, |
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'orange' => 0xFFA500, |
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'deeppink' => 0xFF1493, |
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'tomato' => 0xFF6347, |
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'dodgerblue' => 0x1E90FF, |
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'bluegreen' => 0x00DDDD, |
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'amber' => 0xFFBF00, |
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'deepskyblue' => 0x00BFFF, |
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'fallow' => 0xC19A6B, |
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'olivine' => 0x9AB973, |
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'amethyst' => 0x9966CC, |
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'turquoise' => 0x30D5C8, |
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'coral' => 0xFF7F50, |
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'mediumslateblue' => 0x7B68EE, |
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'gold' => 0xFFD700, |
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'darkseagreen' => 0x8FBC8F, |
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'rosybrown' => 0xBC8F8F, |
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'greenyellow' => 0xADFF2F, |
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'mediumpurple' => 0x9370D8, |
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'palevioletred' => 0xD87093, |
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'mediumaquamarine' => 0x66CDAA, |
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'darkkhaki' => 0xBDB76B, |
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'mediumorchid' => 0xBA55D3, |
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'pear' => 0xD1E231, |
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'mediumturquoise' => 0x48D1CC, |
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'cornflowerblue' => 0x6495ED, |
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'saffron' => 0xF4C430, |
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'salmon' => 0xFA8072, |
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'puce' => 0xCC8899, |
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'lightcoral' => 0xF08080, |
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'ecru' => 0xC2B280, |
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'lemon' => 0xFDE910, |
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'sandybrown' => 0xF4A460, |
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'darksalmon' => 0xE9967A, |
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'darkgray' => 0xA9A9A9, |
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'aqua' => 0x00FFFF, |
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'cyan' => 0x00FFFF, |
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'fuchsia' => 0xFF00FF, |
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'magenta' => 0xFF00FF, |
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'pink-orange' => 0xFF9966, |
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'yellow' => 0xFFFF00, |
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'lightgreen' => 0x90EE90, |
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'tan' => 0xD2B48C, |
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'lightsalmon' => 0xFFA07A, |
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'hotpink' => 0xFF69B4, |
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'burlywood' => 0xDEB887, |
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'orchid' => 0xDA70D6, |
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'palegreen' => 0x98FB98, |
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'lilac' => 0xC8A2C8, |
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'mustard' => 0xFFDB58, |
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'celadon' => 0xACE1AF, |
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'silver' => 0xC0C0C0, |
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'skyblue' => 0x87CEEB, |
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'corn' => 0xFBEC5D, |
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'maize' => 0xFBEC5D, |
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'wisteria' => 0xC9A0DC, |
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'flax' => 0xEEDC82, |
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'buff' => 0xF0DC82, |
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'lightskyblue' => 0x87CEFA, |
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'heliotrope' => 0xDF73FF, |
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'aquamarine' => 0x7FFFD4, |
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'lightsteelblue' => 0xB0C4DE, |
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'plum' => 0xDDA0DD, |
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'violet' => 0xEE82EE, |
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'khaki' => 0xF0E68C, |
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'peach-orange' => 0xFFCC99, |
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'lightblue' => 0xADD8E6, |
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'thistle' => 0xD8BFD8, |
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'lightpink' => 0xFFB6C1, |
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'powderblue' => 0xB0E0E6, |
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'lightgrey' => 0xD3D3D3, |
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'apricot' => 0xFBCEB1, |
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'palegoldenrod' => 0xEEE8AA, |
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'peach-yellow' => 0xFADFAD, |
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'wheat' => 0xF5DEB3, |
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'navajowhite' => 0xFFDEAD, |
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'pink' => 0xFFC0CB, |
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'paleturquoise' => 0xAFEEEE, |
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'mauve' => 0xE0B0FF, |
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'peachpuff' => 0xFFDAB9, |
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'gainsboro' => 0xDCDCDC, |
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'periwinkle' => 0xCCCCFF, |
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'moccasin' => 0xFFE4B5, |
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'peach' => 0xFFE5B4, |
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'bisque' => 0xFFE4C4, |
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'platinum' => 0xE5E4E2, |
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'champaigne' => 0xF7E7CE, |
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'blanchedalmond' => 0xFFEBCD, |
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'antiquewhite' => 0xFAEBD7, |
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'papayawhip' => 0xFFEFD5, |
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'mistyrose' => 0xFFE4E1, |
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'beige' => 0xF5F5DC, |
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'lavender' => 0xE6E6FA, |
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'lemonchiffon' => 0xFFFACD, |
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'lightgoldenrodyellow' => 0xFAFAD2, |
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'cream' => 0xFFFDD0, |
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'linen' => 0xFAF0E6, |
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'cornsilk' => 0xFFF8DC, |
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'oldlace' => 0xFDF5E6, |
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'lightcyan' => 0xE0FFFF, |
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'lightyellow' => 0xFFFFE0, |
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'honeydew' => 0xF0FFF0, |
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'whitesmoke' => 0xF5F5F5, |
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'seashell' => 0xFFF5EE, |
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'lavenderblush' => 0xFFF0F5, |
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'aliceblue' => 0xF0F8FF, |
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'floralwhite' => 0xFFFAF0, |
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'magnolia' => 0xF8F4FF, |
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'azure' => 0xF0FFFF, |
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'ivory' => 0xFFFFF0, |
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'mintcream' => 0xF5FFFA, |
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'ghostwhite' => 0xF8F8FF, |
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'snow' => 0xFFFAFA, |
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'white' => 0xFFFFFF, |
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]; |
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254
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/** |
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255
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* 颜色模式 |
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256
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* |
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257
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* @var string |
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258
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*/ |
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259
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protected $_type = 'unknow'; |
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260
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261
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/** |
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262
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* 颜色值 |
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263
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* |
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* @var mixed |
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*/ |
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protected $_color; |
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267
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268
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/** |
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269
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* 自动类型:只支持 RGB、HEX、CMYK 的鉴别 |
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270
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*/ |
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271
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const TYPE_AUTO = null; |
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272
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/** |
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273
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* RGB |
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274
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*/ |
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275
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const TYPE_RGB = 'rgb'; |
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276
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/** |
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277
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* HEX |
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278
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*/ |
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279
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const TYPE_HEX = 'hex'; |
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280
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/** |
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281
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* CMYK |
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282
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*/ |
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283
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const TYPE_CMYK = 'cmyk'; |
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284
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285
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/** |
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286
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* 创建颜色 |
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287
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* |
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288
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* @param mixed $color 颜色值。 |
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289
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* @param string $type 颜色类型 |
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290
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* |
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291
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* - 如果给定 $type,则当前颜色被认作是 $type |
|
292
|
|
|
* - 支持三种颜色模式互转:十六进制、RGB、CMYK,也支持颜色名('red')转成这三种: |
|
293
|
|
|
* 1. 十六进制。传入十六进制数字(0xFF0000)或字符串('FF0000') |
|
294
|
|
|
* 2. RGB。传入三个元素的数组([255, 0, 0]) |
|
295
|
|
|
* 3. CMYK。传入四个元素的数组([0.0, 90.2, 82.9, 0.0]) |
|
296
|
|
|
*/ |
|
297
|
4 |
|
public function __construct($color, $type = self::TYPE_AUTO) |
|
298
|
|
|
{ |
|
299
|
4 |
|
if (self::TYPE_AUTO === $type) { |
|
300
|
4 |
|
if (is_array($color)) { |
|
301
|
1 |
|
$this->_color = $color; |
|
302
|
1 |
|
if (3 === count($color)) { |
|
303
|
1 |
|
$this->_type = self::TYPE_RGB; |
|
304
|
1 |
|
} elseif (4 === count($color)) { |
|
305
|
1 |
|
$this->_type = self::TYPE_CMYK; |
|
306
|
|
|
} |
|
307
|
|
|
} else { |
|
308
|
|
|
// 接收十六进制(如:0xFF0000和'FF0000')和颜色名字 |
|
309
|
3 |
|
$hex = I::get(self::$_names, $color, $color); |
|
310
|
3 |
|
if ($hex) { |
|
311
|
3 |
|
C::assertNotTrue($hex > 0xFFFFFF || $hex < 0 || hexdec($hex) === 0 && $hex !== '000000' && $hex !== '#000000' , '错误的颜色值:' . $color); |
|
312
|
|
|
} |
|
313
|
|
|
// 如果是字符形式的十六进制数,则先转成十进制再作后续运算 |
|
314
|
3 |
|
if (is_string($hex)) { |
|
315
|
1 |
|
$hex = hexdec($hex); |
|
316
|
|
|
} |
|
317
|
3 |
|
$this->_type = self::TYPE_HEX; |
|
318
|
3 |
|
$this->_color = $hex; |
|
319
|
|
|
} |
|
320
|
4 |
|
C::assertNotTrue('unknow' === $this->_type, '错误的颜色类型'); |
|
321
|
|
|
} else { |
|
322
|
1 |
|
$this->_color = $color; |
|
323
|
1 |
|
$this->_type = $type; |
|
324
|
|
|
} |
|
325
|
4 |
|
} |
|
326
|
|
|
|
|
327
|
|
|
/** |
|
328
|
|
|
* 转成 RGB |
|
329
|
|
|
* |
|
330
|
|
|
* @return static |
|
331
|
|
|
*/ |
|
332
|
4 |
|
public function toRGB() |
|
333
|
|
|
{ |
|
334
|
4 |
|
$type = $this->_type; |
|
335
|
4 |
|
if (self::TYPE_RGB === $type) { |
|
336
|
|
|
$this->_color = array_map(function ($i) { |
|
337
|
4 |
|
return (0.5 + $i) | 0; |
|
338
|
4 |
|
}, $this->_color); |
|
339
|
4 |
|
} elseif (self::TYPE_HEX === $type) { |
|
340
|
3 |
|
$red = ($this->_color & 0xFF0000) >> 16; |
|
341
|
3 |
|
$green = ($this->_color & 0x00FF00) >> 8; |
|
342
|
3 |
|
$blue = ($this->_color & 0x0000FF); |
|
343
|
3 |
|
$this->_color = [$red, $green, $blue]; |
|
344
|
3 |
|
$this->_type = self::TYPE_RGB; |
|
345
|
3 |
|
$this->toRGB(); |
|
346
|
1 |
|
} elseif (self::TYPE_CMYK === $type) { |
|
347
|
1 |
|
$cyan = $this->_color[0] * (1 - $this->_color[3]) + $this->_color[3]; |
|
348
|
1 |
|
$magenta = $this->_color[1] * (1 - $this->_color[3]) + $this->_color[3]; |
|
349
|
1 |
|
$yellow = $this->_color[2] * (1 - $this->_color[3]) + $this->_color[3]; |
|
350
|
1 |
|
$this->_color = [(1 - $cyan) * 255, (1 - $magenta) * 255, (1 - $yellow) * 255]; |
|
351
|
1 |
|
$this->_type = self::TYPE_RGB; |
|
352
|
1 |
|
$this->toRGB(); |
|
353
|
|
|
} |
|
354
|
|
|
|
|
355
|
4 |
|
return $this; |
|
356
|
|
|
} |
|
357
|
|
|
|
|
358
|
|
|
/** |
|
359
|
|
|
* 转成十六进制字符串 |
|
360
|
|
|
* |
|
361
|
|
|
* @return static |
|
362
|
|
|
*/ |
|
363
|
1 |
|
public function toHex() |
|
364
|
|
|
{ |
|
365
|
1 |
|
$type = $this->_type; |
|
366
|
1 |
|
if (self::TYPE_HEX === $type) { |
|
367
|
|
|
// 什么也不做 |
|
368
|
1 |
|
$this->_type = self::TYPE_HEX; |
|
369
|
1 |
|
} elseif (self::TYPE_RGB === $type) { |
|
370
|
1 |
|
$this->_color = strtoupper(dechex($this->_color[0] << 16 | $this->_color[1] << 8 | $this->_color[2])); |
|
371
|
1 |
|
$this->_type = self::TYPE_HEX; |
|
372
|
1 |
|
$this->toHex(); |
|
373
|
1 |
|
} elseif (self::TYPE_CMYK === $type) { |
|
374
|
1 |
|
$this->toRGB()->toHex(); |
|
375
|
|
|
} |
|
376
|
|
|
|
|
377
|
1 |
|
return $this; |
|
378
|
|
|
} |
|
379
|
|
|
|
|
380
|
|
|
/** |
|
381
|
|
|
* 转成 CMYK |
|
382
|
|
|
* |
|
383
|
|
|
* @return static |
|
384
|
|
|
*/ |
|
385
|
1 |
|
public function toCMYK() |
|
386
|
|
|
{ |
|
387
|
1 |
|
$type = $this->_type; |
|
388
|
1 |
|
if (self::TYPE_CMYK === $type) { |
|
389
|
|
|
$this->_color = array_map(function ($i) { |
|
390
|
1 |
|
return sprintf('%01.4f', $i); |
|
391
|
1 |
|
}, $this->_color); |
|
392
|
1 |
|
$this->_type = self::TYPE_CMYK; |
|
393
|
1 |
|
} elseif (self::TYPE_RGB === $type) { |
|
394
|
1 |
|
$cyan = 1 - ($this->_color[0] / 255); |
|
395
|
1 |
|
$magenta = 1 - ($this->_color[1] / 255); |
|
396
|
1 |
|
$yellow = 1 - ($this->_color[2] / 255); |
|
397
|
1 |
|
$var_K = 1; |
|
398
|
1 |
|
if ($cyan < $var_K) { |
|
399
|
1 |
|
$var_K = $cyan; |
|
400
|
|
|
} |
|
401
|
1 |
|
if ($magenta < $var_K) { |
|
402
|
1 |
|
$var_K = $magenta; |
|
403
|
|
|
} |
|
404
|
1 |
|
if ($yellow < $var_K) { |
|
405
|
1 |
|
$var_K = $yellow; |
|
406
|
|
|
} |
|
407
|
1 |
|
if ($var_K == 1) { |
|
408
|
1 |
|
$cyan = 0; |
|
409
|
1 |
|
$magenta = 0; |
|
410
|
1 |
|
$yellow = 0; |
|
411
|
|
|
} else { |
|
412
|
1 |
|
$cyan = ($cyan - $var_K) / (1 - $var_K); |
|
413
|
1 |
|
$magenta = ($magenta - $var_K) / (1 - $var_K); |
|
414
|
1 |
|
$yellow = ($yellow - $var_K) / (1 - $var_K); |
|
415
|
|
|
} |
|
416
|
|
|
|
|
417
|
1 |
|
$key = $var_K; |
|
418
|
1 |
|
$this->_color = [$cyan, $magenta, $yellow, $key]; |
|
419
|
1 |
|
$this->_type = self::TYPE_CMYK; |
|
420
|
1 |
|
$this->toCMYK(); |
|
421
|
1 |
|
} elseif (self::TYPE_HEX === $type) { |
|
422
|
1 |
|
$this->toRGB()->toCMYK(); |
|
423
|
|
|
} |
|
424
|
|
|
|
|
425
|
1 |
|
return $this; |
|
426
|
|
|
} |
|
427
|
|
|
|
|
428
|
|
|
/** |
|
429
|
|
|
* 返回颜色值 |
|
430
|
|
|
* |
|
431
|
|
|
* @return mixed |
|
432
|
|
|
*/ |
|
433
|
3 |
|
public function get() |
|
434
|
|
|
{ |
|
435
|
3 |
|
return $this->_color; |
|
436
|
|
|
} |
|
437
|
|
|
|
|
438
|
|
|
/** |
|
439
|
|
|
* __toString |
|
440
|
|
|
* |
|
441
|
|
|
* @return string |
|
442
|
|
|
*/ |
|
443
|
1 |
|
public function __toString() |
|
444
|
|
|
{ |
|
445
|
1 |
|
return is_string($this->_color) ? $this->_color : implode(',', $this->_color); |
|
446
|
|
|
} |
|
447
|
|
|
} |
|
448
|
|
|
|