static File cropToLeftScreenInPlace(File imageFile, int width default screenWidth()) {
  if (!isFile(imageFile)) null;
  
  loading "Crop image file" {
    BufferedImage img = loadImage2(imageFile);
    if (img.getWidth() <= width) {
      print("Nothing to crop: " + imageFile);
      ret imageFile;
    }
    
    img = clipBufferedImage(img, 0, 0, width, img.getHeight());
    File atticFile = appendToBaseFileName(imageFile, ".uncropped");
    renameFileVerbose(imageFile, atticFile);
    saveImageVerbose(imageFile, img);
    print("Image cropped to " + width + " pixels");
    ret imageFile;
  }
}