/* IMPORT */ import Color from '../color/index.js'; import rgba from './rgba.js'; /* MAIN */ //SOURCE: https://github.com/sass/dart-sass/blob/7457d2e9e7e623d9844ffd037a070cf32d39c348/lib/src/functions/color.dart#L718-L756 const mix = (color1, color2, weight = 50) => { const { r: r1, g: g1, b: b1, a: a1 } = Color.parse(color1); const { r: r2, g: g2, b: b2, a: a2 } = Color.parse(color2); const weightScale = weight / 100; const weightNormalized = (weightScale * 2) - 1; const alphaDelta = a1 - a2; const weight1combined = ((weightNormalized * alphaDelta) === -1) ? weightNormalized : (weightNormalized + alphaDelta) / (1 + weightNormalized * alphaDelta); const weight1 = (weight1combined + 1) / 2; const weight2 = 1 - weight1; const r = (r1 * weight1) + (r2 * weight2); const g = (g1 * weight1) + (g2 * weight2); const b = (b1 * weight1) + (b2 * weight2); const a = (a1 * weightScale) + (a2 * (1 - weightScale)); return rgba(r, g, b, a); }; /* EXPORT */ export default mix;