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// I get ~15 ms both for compressing and decompressing
// a 2.1 MP screenshot on my Ryzen 4700S.

static byte[] testQOI(BufferedImage img default shootScreen2()) {
  time "Compress" {
    byte[] qoi = toQOI(img);
  }
  
  print("Image size: " + str_megapixels(img));
  print("Compressed: " + nBytes(qoi);
  var bpp = bitsPerPixel(qoi, img);
  print("Bits per pixel: " + formatDouble2(bpp));
  print("Compression factor over RGB: " + formatDouble1(doubleRatio(24, bpp)));
  
  time "Decompress" {
    var restoredImage = fromQOI(qoi);
  }
  assertSameImage(img, restoredImage);
  print("Image restoration OK");
  
  ret qoi;
}