srecord noeq JMaxSpeedAnimation(IF0<BufferedImage> renderFrame) is Swingable {
  new ImageSurface imageSurface;
  
  cachedVisualize {
    imageSurface.pixelate(true);
    imageSurface.autoZoomToDisplay(true);
    awtCalcContinuously(imageSurface, -> {
      var img = renderFrame!;
      if (img != null) imageSurface.setImage(img);
    });
    ret jscroll_center_borderless(is);
  }
}