@atlaskit/tokens/dist/cjs/utils/hct-color-utils/delinearized.js

Design tokens are the single source of truth to name and store design decisions.

"use strict";

var _typeof = require("@babel/runtime/helpers/typeof");
Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.delinearized = delinearized;
var mathUtils = _interopRequireWildcard(require("./math-utils"));
function _interopRequireWildcard(e, t) { if ("function" == typeof WeakMap) var r = new WeakMap(), n = new WeakMap(); return (_interopRequireWildcard = function _interopRequireWildcard(e, t) { if (!t && e && e.__esModule) return e; var o, i, f = { __proto__: null, default: e }; if (null === e || "object" != _typeof(e) && "function" != typeof e) return f; if (o = t ? n : r) { if (o.has(e)) return o.get(e); o.set(e, f); } for (var _t in e) "default" !== _t && {}.hasOwnProperty.call(e, _t) && ((i = (o = Object.defineProperty) && Object.getOwnPropertyDescriptor(e, _t)) && (i.get || i.set) ? o(f, _t, i) : f[_t] = e[_t]); return f; })(e, t); }
/**
 * Delinearizes an RGB component.
 *
 * @param rgbComponent 0.0 <= rgb_component <= 100.0, represents
 * linear R/G/B channel
 * @return 0 <= output <= 255, color channel converted to regular
 * RGB space
 */
function delinearized(rgbComponent) {
  var normalized = rgbComponent / 100.0;
  var delinearized = 0.0;
  if (normalized <= 0.0031308) {
    delinearized = normalized * 12.92;
  } else {
    delinearized = 1.055 * Math.pow(normalized, 1.0 / 2.4) - 0.055;
  }
  return mathUtils.clampInt(0, 255, Math.round(delinearized * 255.0));
}