@macrostrat/column-components/dist/chroma-js/src/io/hsv/hsv2rgb.js

React rendering primitives for stratigraphic columns

import "../../utils/type.js";
import unpack from "../../utils/unpack.js";
const { floor } = Math;
const hsv2rgb = (...args) => {
  args = unpack(args, "hsv");
  let [h, s, v] = args;
  let r, g, b;
  v *= 255;
  if (s === 0) {
    r = g = b = v;
  } else {
    if (h === 360) h = 0;
    if (h > 360) h -= 360;
    if (h < 0) h += 360;
    h /= 60;
    const i = floor(h);
    const f = h - i;
    const p = v * (1 - s);
    const q = v * (1 - s * f);
    const t = v * (1 - s * (1 - f));
    switch (i) {
      case 0:
        [r, g, b] = [v, t, p];
        break;
      case 1:
        [r, g, b] = [q, v, p];
        break;
      case 2:
        [r, g, b] = [p, v, t];
        break;
      case 3:
        [r, g, b] = [p, q, v];
        break;
      case 4:
        [r, g, b] = [t, p, v];
        break;
      case 5:
        [r, g, b] = [v, p, q];
        break;
    }
  }
  return [r, g, b, args.length > 3 ? args[3] : 1];
};
export {
  hsv2rgb as default
};
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