@thi.ng/pixel-dither/jarvis.js

Extensible image dithering w/ various algorithm presets

const A = 64 / 48;
const B = 3 * A;
const C = 5 * A;
const D = 7 * A;
const JARVIS_JUDICE_NINKE = {
  ox: [1, 2, -2, -1, 0, 1, 2, -2, -1, 0, 1, 2],
  oy: [0, 0, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2],
  weights: [D, C, B, C, D, C, B, A, B, C, B, A],
  shift: 6
};
export {
  JARVIS_JUDICE_NINKE
};