mirror of https://gitee.com/antv-l7/antv-l7
282 lines
6.9 KiB
JavaScript
282 lines
6.9 KiB
JavaScript
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"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports["default"] = void 0;
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var _util = _interopRequireDefault(require("../util"));
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
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/**
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* @fileOverview 颜色计算的辅助方法
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* @author dxq613@gmail.com
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*/
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var RGB_REG = /rgba?\(([\s.,0-9]+)\)/;
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var ColorKeywords = {
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aliceblue: '#F0F8FF',
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antiquewhite: '#FAEBD7',
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aqua: '#00FFFF',
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aquamarine: '#7FFFD4',
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azure: '#F0FFFF',
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beige: '#F5F5DC',
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bisque: '#FFE4C4',
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black: '#000000',
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blanchedalmond: '#FFEBCD',
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blue: '#0000FF',
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blueviolet: '#8A2BE2',
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brown: '#A52A2A',
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burlywood: '#DEB887',
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cadetblue: '#5F9EA0',
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chartreuse: '#7FFF00',
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chocolate: '#D2691E',
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coral: '#FF7F50',
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cornflowerblue: '#6495ED',
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cornsilk: '#FFF8DC',
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crimson: '#DC143C',
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cyan: '#00FFFF',
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darkblue: '#00008B',
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darkcyan: '#008B8B',
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darkgoldenrod: '#B8860B',
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darkgray: '#A9A9A9',
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darkgreen: '#006400',
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darkgrey: '#A9A9A9',
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darkkhaki: '#BDB76B',
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darkmagenta: '#8B008B',
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darkolivegreen: '#556B2F',
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darkorange: '#FF8C00',
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darkorchid: '#9932CC',
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darkred: '#8B0000',
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darksalmon: '#E9967A',
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darkseagreen: '#8FBC8F',
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darkslateblue: '#483D8B',
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darkslategray: '#2F4F4F',
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darkslategrey: '#2F4F4F',
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darkturquoise: '#00CED1',
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darkviolet: '#9400D3',
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deeppink: '#FF1493',
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deepskyblue: '#00BFFF',
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dimgray: '#696969',
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dimgrey: '#696969',
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dodgerblue: '#1E90FF',
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firebrick: '#B22222',
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floralwhite: '#FFFAF0',
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forestgreen: '#228B22',
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fuchsia: '#FF00FF',
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gainsboro: '#DCDCDC',
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ghostwhite: '#F8F8FF',
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gold: '#FFD700',
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goldenrod: '#DAA520',
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gray: '#808080',
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green: '#008000',
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greenyellow: '#ADFF2F',
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grey: '#808080',
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honeydew: '#F0FFF0',
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hotpink: '#FF69B4',
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indianred: '#CD5C5C',
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indigo: '#4B0082',
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ivory: '#FFFFF0',
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khaki: '#F0E68C',
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lavender: '#E6E6FA',
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lavenderblush: '#FFF0F5',
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lawngreen: '#7CFC00',
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lemonchiffon: '#FFFACD',
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lightblue: '#ADD8E6',
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lightcoral: '#F08080',
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lightcyan: '#E0FFFF',
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lightgoldenrodyellow: '#FAFAD2',
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lightgray: '#D3D3D3',
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lightgreen: '#90EE90',
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lightgrey: '#D3D3D3',
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lightpink: '#FFB6C1',
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lightsalmon: '#FFA07A',
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lightseagreen: '#20B2AA',
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lightskyblue: '#87CEFA',
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lightslategray: '#778899',
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lightslategrey: '#778899',
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lightsteelblue: '#B0C4DE',
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lightyellow: '#FFFFE0',
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lime: '#00FF00',
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limegreen: '#32CD32',
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linen: '#FAF0E6',
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magenta: '#FF00FF',
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maroon: '#800000',
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mediumaquamarine: '#66CDAA',
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mediumblue: '#0000CD',
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mediumorchid: '#BA55D3',
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mediumpurple: '#9370DB',
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mediumseagreen: '#3CB371',
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mediumslateblue: '#7B68EE',
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mediumspringgreen: '#00FA9A',
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mediumturquoise: '#48D1CC',
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mediumvioletred: '#C71585',
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midnightblue: '#191970',
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mintcream: '#F5FFFA',
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mistyrose: '#FFE4E1',
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moccasin: '#FFE4B5',
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navajowhite: '#FFDEAD',
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navy: '#000080',
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oldlace: '#FDF5E6',
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olive: '#808000',
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olivedrab: '#6B8E23',
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orange: '#FFA500',
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orangered: '#FF4500',
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orchid: '#DA70D6',
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palegoldenrod: '#EEE8AA',
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palegreen: '#98FB98',
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paleturquoise: '#AFEEEE',
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palevioletred: '#DB7093',
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papayawhip: '#FFEFD5',
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peachpuff: '#FFDAB9',
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peru: '#CD853F',
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pink: '#FFC0CB',
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plum: '#DDA0DD',
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powderblue: '#B0E0E6',
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purple: '#800080',
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rebeccapurple: '#663399',
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red: '#FF0000',
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rosybrown: '#BC8F8F',
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royalblue: '#4169E1',
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saddlebrown: '#8B4513',
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salmon: '#FA8072',
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sandybrown: '#F4A460',
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seagreen: '#2E8B57',
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seashell: '#FFF5EE',
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sienna: '#A0522D',
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silver: '#C0C0C0',
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skyblue: '#87CEEB',
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slateblue: '#6A5ACD',
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slategray: '#708090',
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slategrey: '#708090',
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snow: '#FFFAFA',
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springgreen: '#00FF7F',
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steelblue: '#4682B4',
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tan: '#D2B48C',
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teal: '#008080',
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thistle: '#D8BFD8',
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tomato: '#FF6347',
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turquoise: '#40E0D0',
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violet: '#EE82EE',
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wheat: '#F5DEB3',
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white: '#FFFFFF',
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whitesmoke: '#F5F5F5',
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yellow: '#FFFF00',
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yellowgreen: '#9ACD32'
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}; // 获取颜色之间的插值
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function getValue(start, end, percent, index) {
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var value = start[index] + (end[index] - start[index]) * percent;
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return value;
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}
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function calColor(colors, percent) {
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if (_util["default"].isNaN(percent) || !_util["default"].isNumber(percent)) {
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percent = 0;
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}
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var steps = colors.length - 1;
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var step = Math.floor(steps * percent);
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var left = steps * percent - step;
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var start = colors[step];
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var end = step === steps ? start : colors[step + 1];
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return [getValue(start, end, left, 0), getValue(start, end, left, 1), getValue(start, end, left, 2), getValue(start, end, left, 3)];
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} // rgb 颜色转换成数组
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function rgb2arr(str) {
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var arr = [];
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if (str.length === 4) {
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str = "#".concat(str[1]).concat(str[1]).concat(str[2]).concat(str[2]).concat(str[3]).concat(str[3]);
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}
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arr.push(parseInt(str.substr(1, 2), 16));
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arr.push(parseInt(str.substr(3, 2), 16));
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arr.push(parseInt(str.substr(5, 2), 16));
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return arr;
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}
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var colorCache = {};
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var ColorUtil = {
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/**
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* 将颜色转换到 rgb 的格式
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* @param {String} color 颜色
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* @return {String} 将颜色转换到 '#ffffff' 的格式
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*/
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toRGB: function toRGB(color) {
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// 如果已经是 rgb的格式
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var colorArray = [255, 255, 255, 255];
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if (ColorKeywords[color]) {
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// color name 2 hex
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var hexColor = ColorKeywords[color];
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colorArray = rgb2arr(hexColor);
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colorArray.push(255.0);
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}
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if (color[0] === '#' && (color.length === 7 || color.length === 4)) {
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// hex2array
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colorArray = rgb2arr(color);
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colorArray.push(255.0);
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return colorArray;
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}
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if (RGB_REG.test(color)) {
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var matchs = RGB_REG.exec(color);
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colorArray = matchs[1].split(/\s*,\s*/);
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if (colorArray.length === 4) {
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colorArray[3] *= 255;
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}
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if (colorArray.length === 3) {
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colorArray.push(255.0);
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}
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}
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colorCache[color] = colorArray;
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return colorArray;
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},
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// 转成 WebGl color buffer
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color2Arr: function color2Arr(str) {
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var rgba = this.toRGB(str);
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return rgba.map(function (v) {
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return v / 255;
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});
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},
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colorArray2RGBA: function colorArray2RGBA(arr) {
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return "rgba(".concat(arr[0] * 255, ",").concat(arr[1] * 255, ",").concat(arr[2] * 255, ",").concat(arr[3], ")");
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},
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color2RGBA: function color2RGBA(str) {
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return this.color2Arr(str);
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},
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rgb2arr: rgb2arr,
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/**
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* 获取渐变函数
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* @param {Array} colors 多个颜色
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* @return {String} 颜色值
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*/
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gradient: function gradient(colors) {
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var points = [];
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if (_util["default"].isString(colors)) {
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colors = colors.split('-');
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}
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_util["default"].each(colors, function (color) {
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var colorArray = ColorUtil.toRGB(color).map(function (e) {
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return e / 255;
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}); // colorArray[3] = colorArray[3] * 255;
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points.push(colorArray);
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});
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return function (percent) {
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return calColor(points, percent);
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};
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}
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};
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var _default = ColorUtil;
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exports["default"] = _default;
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