@atlaskit/tokens

Version:

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

25 lines (24 loc) • 707 B

JavaScript

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.delinearized = delinearized;
var _clampInt = require("./clamp-int");
/**
 * 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 (0, _clampInt.clampInt)(0, 255, Math.round(delinearized * 255.0));
}