static GrabbableIntPixels grabbableIntPixels_fastOrSlow(BufferedImage image) ctex {
  pcall {
    GrabbableIntPixels gp = grabbableIntPixels(image);
    if (gp != null) ret gp;
  }
    
  // TODO: use GrabbableRGBBytePixels and convert manually
  // - should be way faster than PixelGrabber
  
  int w = image.getWidth(), h = image.getHeight();
  int[] data = new[w*h];
  PixelGrabber pixelGrabber = new(image, 0, 0, w, h, data, 0, w);
  if (!pixelGrabber.grabPixels())
    fail("Could not grab pixels");
      
  ret GrabbableIntPixels(data, w, h, 0, w);
}

Began life as a copy of #1030544