Bangle.js: draws a previously transferred LenaImg file

Bangle_drawLenaImg.js

const Storage = require('Storage');
  Bangle.setLCDMode();
  g.clear();

  let ImageFile = Storage.open('LenaImg','r');
  for (let y = 0; y < 240; y++) {
    let LineData = ImageFile.readLine();
    g.drawImage({
      width:240, height:1, bpp:16, transparent:0,
      buffer:E.toArrayBuffer(atob(LineData))
    }, 0,y);
  }
  g.flip();