pretty-color
Version:
226 lines (215 loc) • 5.56 kB
JavaScript
/**
* Created by liw on 2017/9/19.
*/
let rHex = /^#([0-9a-fA-F]{3}|[0-9a-fA-F]{6})$/
let rRgb = /^(rgba?)\((\d{1,3}),(\d{1,3}),(\d{1,3})\)$/i
let colorDir = {
maroon: '#800000',
darkred: '#8B0000',
brown: '#A52A2A',
firebrick: '#B22222',
crimson: '#DC143C',
red: '#FF0000',
mediumvioletred: '#C71585',
palevioletred: '#D87093',
deeppink: '#FF1493',
fuchsia: '#FF00FF',
magenta: '#FF00FF',
hotpink: '#FF69B4',
pink: '#FFC0CB',
lightpink: '#FFB6C1',
mistyrose: '#FFE4E1',
lavenderblush: '#FFF0F5',
indigo: '#4B0082',
purple: '#800080',
darkmagenta: '#8B008B',
darkorchid: '#9932CC',
blueviolet: '#8A2BE2',
darkviolet: '#9400D3',
slateblue: '#6A5ACD',
mediumpurple: '#9370DB',
mediumslateblue: '#7B68EE',
mediumorchid: '#BA55D3',
violet: '#EE82EE',
plum: '#DDA0DD',
thistle: '#D8BFD8',
lavender: '#E6E6FA',
saddlebrown: '#8B4513',
sienna: '#A0522D',
chocolate: '#D2691E',
indianred: '#CD5C5C',
rosybrown: '#BC8F8F',
lightcorol: '#F08080',
salmon: '#FA8072',
lightsalmon: '#FFA07A',
orangered: '#FF4500',
tomato: '#FF6347',
coral: '#FF7F50',
darkorange: '#FF8C00',
sandybrown: '#F4A460',
peru: '#CD853F',
tan: '#D2B48C',
burlywood: '#DEB887',
wheat: '#F5DEB3',
moccasin: '#FFE4B5',
navajowhite: '#FFDEAD',
peachpuff: '#FFDAB9',
bisque: '#FFE4C4',
antuquewhite: '#FAEBD7',
papayawhip: '#FFEFD5',
cornsilk: '#FFF8DC',
oldlace: '#FDF5E6',
linen: '#FAF0E6',
seashell: '#FFF5EE',
snow: '#FFFAFA',
floralwhite: '#FFFAF0',
ivory: '#FFFFF0',
mintcream: '#F5FFFA',
darkgoldenrod: '#B8860B',
goldenrod: '#DAA520',
gold: '#FFD700',
yellow: '#FFFF00',
darkkhaki: '#BDB76B',
khaki: '#F0E68C',
palegoldenrod: '#EEE8AA',
beige: '#F5F5DC',
lemonchiffon: '#FFFACD',
lightgoldenrodyellow: '#FAFAD2',
lightyellow: '#FFFFE0',
darkslategray: '#2F4F4F',
darkolivegreen: '#556B2F',
olive: '#808000',
darkgreen: '#006400',
forestgreen: '#228B22',
seagreen: '#2E8B57',
green: '#008080',
lightseagreen: '#20B2AA',
madiumaquamarine: '#66CDAA',
mediumseagreen: '#3CB371',
darkseagreen: '#8FBC8F',
yellowgreen: '#9ACD32',
limegreen: '#32CD32',
lime: '#00FF00',
chartreuse: '#7FFF00',
lawngreen: '#7CFC00',
greenyellow: '#ADFF2F',
mediumspringgreen: '#00FA9A',
springgreen: '#00FF7F',
lightgreen: '#90EE90',
palegreen: '#98F898',
aquamarine: '#7FFFD4',
honeydew: '#F0FFF0',
midnightblue: '#191970',
navy: '#000080',
darkblue: '#00008B',
darkslateblue: '#483D8B',
mediumblue: '#0000CD',
royalblue: '#4169E1',
dodgerblue: '#1E90FF',
cornflowerblue: '#6495ED',
deepskyblue: '#00BFFF',
lightskyblue: '#87CEFA',
lightsteelblue: '#B0C4DE',
lightblue: '#ADD8E6',
steelblue: '#4682B4',
darkcyan: '#008B8B',
cadetblue: '#5F9EA0',
darkturquoise: '#00CED1',
mediumturquoise: '#48D1CC',
turquoise: '#40E0D0',
skyblue: '#87CECB',
powderblue: '#B0E0E6',
paleturquoise: '#AFEEEE',
lightcyan: '#E0FFFF',
azure: '#F0FFFF',
aliceblue: '#F0F8FF',
aqua: '#00FFFF',
cyan: '#00FFFF',
black: '#000000',
dimgray: '#696969',
gray: '#808080',
slategray: '#708090',
lightslategray: '#778899',
dakgray: '#A9A9A9',
silver: '#C0C0C0',
lightgray: '#D3D3D3',
gainsboro: '#DCDCDC',
whitesmoke: '#F5F5F5',
ghostwhite: '#F8F8FF',
white: '#FFFFFF'
}
class Color {
constructor(color) {
this.color = (color && colorDir[color] && rHex.test(colorDir[color])) ? colorDir[color] : color
this.init()
}
init() {
}
toRgb(opacity) {
let color = this.color
let rgb
if (color && rRgb.test(color)) {
rgb = color
} else if (color && rHex.test(color)) {
rgb = Color.HtoR(color, opacity)
} else if (typeof color === 'number') {
rgb = Color.HtoR(Color.DtoH(color))
}
return rgb
}
toHex() {
let color = this.color
let hex
if (color && rHex.test(color)) {
hex = color
} else if (color && rRgb.test(color)) {
hex = Color.RtoH(color)
} else if (typeof color === 'number') {
hex = Color.DtoH(color)
}
return hex
}
toDec() {
let color = this.color
let dec
if (typeof color === 'number') {
dec = color
} else if (color && rHex.test(color)) {
dec = Color.HtoD(color)
} else if (color && rRgb.test(color)) {
dec = Color.HtoD(Color.RtoH(color))
}
return dec
}
}
Color.HtoR = function (color, opacity) {
let colorChange = []
if (color.length === 4) color = color.replace(/(\w)/g, '$1$1')
for (let i = 1; i < 7; i += 2)
colorChange.push(parseInt("0x" + color.slice(i, i + 2)))
if (typeof opacity === 'number') colorChange.push(opacity)
return `rgb${colorChange.length === 4 ? 'a' : ''}(${colorChange.join(",")})`
}
Color.RtoH = function (color) {
let hex = '#'
let rgbArr = rRgb.exec(color)
let tmp = ''
for (let i = 2; i < rgbArr.length; i++) {
tmp = Number(rgbArr[i]).toString(16)
tmp = tmp.length === 1 ? tmp + tmp : tmp
hex += tmp
}
return hex
}
Color.DtoH = function (color) {
color = color.toString(16)
while (color.length < 6) {
color = '0' + color
}
return '#' + color
}
Color.HtoD = function (color) {
if (color.length === 4) color = color.replace(/(\w)/g, '$1$1')
return parseInt(color.slice(1), 16)
}
export default Color