Edit File: convertRgbToHwb.js
/* RGB to HWB converter -------------------- References: * https://drafts.csswg.org/css-color/#hwb-to-rgb * https://en.wikipedia.org/wiki/HWB_color_model * http://alvyray.com/Papers/CG/HWB_JGTv208.pdf */ import convertRgbToHsv from '../hsv/convertRgbToHsv.js'; export default function convertRgbToHwb(rgba) { let hsv = convertRgbToHsv(rgba); if (hsv === undefined) return undefined; let res = { mode: 'hwb', w: (1 - hsv.s) * hsv.v, b: 1 - hsv.v }; if (hsv.h !== undefined) res.h = hsv.h; if (hsv.alpha !== undefined) res.alpha = hsv.alpha; return res; }
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