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@ant-design/fast-color 替代 @ctrl/tinycolor #92
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,164 @@ | ||
import { inputToRGB, rgbToHex, rgbToHsv } from '@ctrl/tinycolor'; | ||
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const hueStep = 2; // 色相阶梯 | ||
const saturationStep = 0.16; // 饱和度阶梯,浅色部分 | ||
const saturationStep2 = 0.05; // 饱和度阶梯,深色部分 | ||
const brightnessStep1 = 0.05; // 亮度阶梯,浅色部分 | ||
const brightnessStep2 = 0.15; // 亮度阶梯,深色部分 | ||
const lightColorCount = 5; // 浅色数量,主色上 | ||
const darkColorCount = 4; // 深色数量,主色下 | ||
// 暗色主题颜色映射关系表 | ||
const darkColorMap = [ | ||
{ index: 7, opacity: 0.15 }, | ||
{ index: 6, opacity: 0.25 }, | ||
{ index: 5, opacity: 0.3 }, | ||
{ index: 5, opacity: 0.45 }, | ||
{ index: 5, opacity: 0.65 }, | ||
{ index: 5, opacity: 0.85 }, | ||
{ index: 4, opacity: 0.9 }, | ||
{ index: 3, opacity: 0.95 }, | ||
{ index: 2, opacity: 0.97 }, | ||
{ index: 1, opacity: 0.98 }, | ||
]; | ||
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interface HsvObject { | ||
h: number; | ||
s: number; | ||
v: number; | ||
} | ||
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interface RgbObject { | ||
r: number; | ||
g: number; | ||
b: number; | ||
} | ||
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// Wrapper function ported from TinyColor.prototype.toHsv | ||
// Keep it here because of `hsv.h * 360` | ||
function toHsv({ r, g, b }: RgbObject): HsvObject { | ||
const hsv = rgbToHsv(r, g, b); | ||
return { h: hsv.h * 360, s: hsv.s, v: hsv.v }; | ||
} | ||
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// Wrapper function ported from TinyColor.prototype.toHexString | ||
// Keep it here because of the prefix `#` | ||
function toHex({ r, g, b }: RgbObject): string { | ||
return `#${rgbToHex(r, g, b, false)}`; | ||
} | ||
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// Wrapper function ported from TinyColor.prototype.mix, not treeshakable. | ||
// Amount in range [0, 1] | ||
// Assume color1 & color2 has no alpha, since the following src code did so. | ||
function mix(rgb1: RgbObject, rgb2: RgbObject, amount: number): RgbObject { | ||
const p = amount / 100; | ||
const rgb = { | ||
r: (rgb2.r - rgb1.r) * p + rgb1.r, | ||
g: (rgb2.g - rgb1.g) * p + rgb1.g, | ||
b: (rgb2.b - rgb1.b) * p + rgb1.b, | ||
}; | ||
return rgb; | ||
} | ||
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function getHue(hsv: HsvObject, i: number, light?: boolean): number { | ||
let hue: number; | ||
// 根据色相不同,色相转向不同 | ||
if (Math.round(hsv.h) >= 60 && Math.round(hsv.h) <= 240) { | ||
hue = light ? Math.round(hsv.h) - hueStep * i : Math.round(hsv.h) + hueStep * i; | ||
} else { | ||
hue = light ? Math.round(hsv.h) + hueStep * i : Math.round(hsv.h) - hueStep * i; | ||
} | ||
if (hue < 0) { | ||
hue += 360; | ||
} else if (hue >= 360) { | ||
hue -= 360; | ||
} | ||
return hue; | ||
} | ||
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function getSaturation(hsv: HsvObject, i: number, light?: boolean): number { | ||
// grey color don't change saturation | ||
if (hsv.h === 0 && hsv.s === 0) { | ||
return hsv.s; | ||
} | ||
let saturation: number; | ||
if (light) { | ||
saturation = hsv.s - saturationStep * i; | ||
} else if (i === darkColorCount) { | ||
saturation = hsv.s + saturationStep; | ||
} else { | ||
saturation = hsv.s + saturationStep2 * i; | ||
} | ||
// 边界值修正 | ||
if (saturation > 1) { | ||
saturation = 1; | ||
} | ||
// 第一格的 s 限制在 0.06-0.1 之间 | ||
if (light && i === lightColorCount && saturation > 0.1) { | ||
saturation = 0.1; | ||
} | ||
if (saturation < 0.06) { | ||
saturation = 0.06; | ||
} | ||
return Number(saturation.toFixed(2)); | ||
} | ||
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function getValue(hsv: HsvObject, i: number, light?: boolean): number { | ||
let value: number; | ||
if (light) { | ||
value = hsv.v + brightnessStep1 * i; | ||
} else { | ||
value = hsv.v - brightnessStep2 * i; | ||
} | ||
if (value > 1) { | ||
value = 1; | ||
} | ||
return Number(value.toFixed(2)); | ||
} | ||
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interface Opts { | ||
theme?: 'dark' | 'default'; | ||
backgroundColor?: string; | ||
} | ||
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export default function generate(color: any, opts: Opts = {}): string[] { | ||
const patterns: string[] = []; | ||
const pColor = inputToRGB(color); | ||
for (let i = lightColorCount; i > 0; i -= 1) { | ||
const hsv = toHsv(pColor); | ||
const colorString: string = toHex( | ||
inputToRGB({ | ||
h: getHue(hsv, i, true), | ||
s: getSaturation(hsv, i, true), | ||
v: getValue(hsv, i, true), | ||
}), | ||
); | ||
patterns.push(colorString); | ||
} | ||
patterns.push(toHex(pColor)); | ||
for (let i = 1; i <= darkColorCount; i += 1) { | ||
const hsv = toHsv(pColor); | ||
const colorString: string = toHex( | ||
inputToRGB({ | ||
h: getHue(hsv, i), | ||
s: getSaturation(hsv, i), | ||
v: getValue(hsv, i), | ||
}), | ||
); | ||
patterns.push(colorString); | ||
} | ||
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// dark theme patterns | ||
if (opts.theme === 'dark') { | ||
return darkColorMap.map(({ index, opacity }) => { | ||
const darkColorString: string = toHex( | ||
mix( | ||
inputToRGB(opts.backgroundColor || '#141414'), | ||
inputToRGB(patterns[index]), | ||
opacity * 100, | ||
), | ||
); | ||
return darkColorString; | ||
}); | ||
} | ||
return patterns; | ||
} |
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Original file line number | Diff line number | Diff line change |
---|---|---|
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import { bench, describe } from 'vitest'; | ||
import generate from '../src/generate'; | ||
import generateOld from './generate-old'; | ||
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describe('generate from hex string', () => { | ||
bench('@ctrl/tinycolor', () => { | ||
generateOld('#66ccff'); | ||
}); | ||
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bench('@ant-design/fast-color', () => { | ||
generate('#66ccff'); | ||
}); | ||
}); | ||
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describe('generate from rgb object', () => { | ||
bench('@ctrl/tinycolor', () => { | ||
generateOld({ r: 102, g: 204, b: 255 }); | ||
}); | ||
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bench('@ant-design/fast-color', () => { | ||
generate({ r: 102, g: 204, b: 255 }); | ||
}); | ||
}); |
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个人建议适配到2.0.6最新的吧