react-native-reanimated/lib/module/culori/lrgb.js

More powerful alternative to Animated library for React Native.

'use strict';

/*
 * The vast majority of the code exported by this module is a direct copy of the code from the culori package (see
 * https://culorijs.org/), which deserves full credit for it. In particular, code from the following path has been used:
 * - https://github.com/Evercoder/culori/tree/v4.0.1/src/lrgb
 */

// TODO Remove once we have the option to get a workletized version of the culori package
//   https://github.com/software-mansion/react-native-reanimated/pull/6782#pullrequestreview-2488830278
const channelFromLrgb = (c = 0) => {
  'worklet';

  const abs = Math.abs(c);
  if (abs > 0.0031308) {
    return (Math.sign(c) || 1) * (1.055 * Math.pow(abs, 1 / 2.4) - 0.055);
  }
  return c * 12.92;
};
const convertLrgbToRgb = ({
  r,
  g,
  b,
  alpha
}) => {
  'worklet';

  return {
    r: channelFromLrgb(r),
    g: channelFromLrgb(g),
    b: channelFromLrgb(b),
    alpha
  };
};
const channelToLrgb = (c = 0) => {
  'worklet';

  const abs = Math.abs(c);
  if (abs <= 0.04045) {
    return c / 12.92;
  }
  return (Math.sign(c) || 1) * Math.pow((abs + 0.055) / 1.055, 2.4);
};
const convertRgbToLrgb = ({
  r,
  g,
  b,
  alpha
}) => {
  'worklet';

  return {
    r: channelToLrgb(r),
    g: channelToLrgb(g),
    b: channelToLrgb(b),
    alpha
  };
};
export default {
  convert: {
    fromRgb: convertRgbToLrgb,
    toRgb: convertLrgbToRgb
  }
};
//# sourceMappingURL=lrgb.js.map