@toast-ui/chart
Version:
TOAST UI Application: Chart
219 lines (218 loc) • 5.99 kB
JavaScript
import { range } from "./utils";
const hexRX = /(^#[0-9A-F]{6}$)|(^#[0-9A-F]{3}$)/i;
const rgbRX = /rgb\((\d{1,3}), ?(\d{1,3}), ?(\d{1,3})\)/;
const rgbaRX = /rgba\((\d{1,3}), ?(\d{1,3}), ?(\d{1,3}), ?(1|0?\.?\d+)\)/;
/**
* Color map.
* http://stackoverflow.com/questions/1573053/javascript-function-to-convert-color-names-to-hex-codes
* http://www.w3schools.com/HTML/html_colornames.asp
* @ignore
*/
export const colorMap = {
aliceblue: '#f0f8ff',
antiquewhite: '#faebd7',
aqua: '#00ffff',
aquamarine: '#7fffd4',
azure: '#f0ffff',
beige: '#f5f5dc',
bisque: '#ffe4c4',
black: '#000000',
blanchedalmond: '#ffebcd',
blue: '#0000ff',
blueviolet: '#8a2be2',
brown: '#a52a2a',
burlywood: '#deb887',
cadetblue: '#5f9ea0',
chartreuse: '#7fff00',
chocolate: '#d2691e',
coral: '#ff7f50',
cornflowerblue: '#6495ed',
cornsilk: '#fff8dc',
crimson: '#dc143c',
cyan: '#00ffff',
darkblue: '#00008b',
darkcyan: '#008b8b',
darkgoldenrod: '#b8860b',
darkgray: '#a9a9a9',
darkgreen: '#006400',
darkkhaki: '#bdb76b',
darkmagenta: '#8b008b',
darkolivegreen: '#556b2f',
darkorange: '#ff8c00',
darkorchid: '#9932cc',
darkred: '#8b0000',
darksalmon: '#e9967a',
darkseagreen: '#8fbc8f',
darkslateblue: '#483d8b',
darkslategray: '#2f4f4f',
darkturquoise: '#00ced1',
darkviolet: '#9400d3',
deeppink: '#ff1493',
deepskyblue: '#00bfff',
dimgray: '#696969',
dodgerblue: '#1e90ff',
firebrick: '#b22222',
floralwhite: '#fffaf0',
forestgreen: '#228b22',
fuchsia: '#ff00ff',
gainsboro: '#dcdcdc',
ghostwhite: '#f8f8ff',
gold: '#ffd700',
goldenrod: '#daa520',
gray: '#808080',
green: '#008000',
greenyellow: '#adff2f',
honeydew: '#f0fff0',
hotpink: '#ff69b4',
indianred: '#cd5c5c',
indigo: '#4b0082',
ivory: '#fffff0',
khaki: '#f0e68c',
lavender: '#e6e6fa',
lavenderblush: '#fff0f5',
lawngreen: '#7cfc00',
lemonchiffon: '#fffacd',
lightblue: '#add8e6',
lightcoral: '#f08080',
lightcyan: '#e0ffff',
lightgoldenrodyellow: '#fafad2',
lightgrey: '#d3d3d3',
lightgreen: '#90ee90',
lightpink: '#ffb6c1',
lightsalmon: '#ffa07a',
lightseagreen: '#20b2aa',
lightskyblue: '#87cefa',
lightslategray: '#778899',
lightsteelblue: '#b0c4de',
lightyellow: '#ffffe0',
lime: '#00ff00',
limegreen: '#32cd32',
linen: '#faf0e6',
magenta: '#ff00ff',
maroon: '#800000',
mediumaquamarine: '#66cdaa',
mediumblue: '#0000cd',
mediumorchid: '#ba55d3',
mediumpurple: '#9370d8',
mediumseagreen: '#3cb371',
mediumslateblue: '#7b68ee',
mediumspringgreen: '#00fa9a',
mediumturquoise: '#48d1cc',
mediumvioletred: '#c71585',
midnightblue: '#191970',
mintcream: '#f5fffa',
mistyrose: '#ffe4e1',
moccasin: '#ffe4b5',
navajowhite: '#ffdead',
navy: '#000080',
oldlace: '#fdf5e6',
olive: '#808000',
olivedrab: '#6b8e23',
orange: '#ffa500',
orangered: '#ff4500',
orchid: '#da70d6',
palegoldenrod: '#eee8aa',
palegreen: '#98fb98',
paleturquoise: '#afeeee',
palevioletred: '#d87093',
papayawhip: '#ffefd5',
peachpuff: '#ffdab9',
peru: '#cd853f',
pink: '#ffc0cb',
plum: '#dda0dd',
powderblue: '#b0e0e6',
purple: '#800080',
red: '#ff0000',
rosybrown: '#bc8f8f',
royalblue: '#4169e1',
saddlebrown: '#8b4513',
salmon: '#fa8072',
sandybrown: '#f4a460',
seagreen: '#2e8b57',
seashell: '#fff5ee',
sienna: '#a0522d',
silver: '#c0c0c0',
skyblue: '#87ceeb',
slateblue: '#6a5acd',
slategray: '#708090',
snow: '#fffafa',
springgreen: '#00ff7f',
steelblue: '#4682b4',
tan: '#d2b48c',
teal: '#008080',
thistle: '#d8bfd8',
tomato: '#ff6347',
turquoise: '#40e0d0',
violet: '#ee82ee',
wheat: '#f5deb3',
white: '#ffffff',
whitesmoke: '#f5f5f5',
yellow: '#ffff00',
yellowgreen: '#9acd32',
};
function leadingZero(number, length) {
if (number.length > length) {
return number;
}
let res = number;
range(0, length - 1).forEach((_) => {
res = '0' + res;
});
return res.slice(length * -1);
}
function isValidRGB(str) {
return hexRX.test(str);
}
function colorNameToHex(colorName) {
return colorMap[colorName.toLowerCase()] || colorName;
}
// @license RGB <-> HSV conversion utilities based off of http://www.cs.rit.edu/~ncs/color/t_convert.html
export function hexToRGB(str) {
const hexStr = colorNameToHex(str);
if (!isValidRGB(hexStr)) {
return false;
}
return hexStr
.replace(/^#?([a-f\d])([a-f\d])([a-f\d])$/i, (m, r, g, b) => '#' + r + r + g + g + b + b)
.substring(1)
.match(/.{2}/g)
.map((x) => parseInt(x, 16));
}
export function rgbToHEX(r, g, b) {
const hexPreFix = '#';
const hexStr = hexPreFix +
leadingZero(r.toString(16), 2) +
leadingZero(g.toString(16), 2) +
leadingZero(b.toString(16), 2);
if (isValidRGB(hexStr)) {
return hexStr;
}
return false;
}
export function getRGBA(str, opacity) {
const hexStr = colorNameToHex(str);
if (isValidRGB(hexStr)) {
const [r, g, b] = hexToRGB(hexStr);
return `rgba(${r}, ${g}, ${b}, ${opacity})`;
}
if (rgbRX.test(str)) {
const match = rgbRX.exec(str);
return `rgba(${match[1]}, ${match[2]}, ${match[3]}, ${opacity})`;
}
if (rgbaRX.test(str)) {
const match = rgbaRX.exec(str);
return `rgba(${match[1]}, ${match[2]}, ${match[3]}, ${opacity})`;
}
return str;
}
export function getAlpha(str) {
if (rgbaRX.test(str)) {
const match = rgbaRX.exec(str);
return Number(match[4]);
}
return 1;
}
export function rgba(color, opacity = 1) {
const alpha = getAlpha(color) * opacity;
return getRGBA(color, alpha);
}