!7

p {
  new L<File> images;
  for (S id : splitAtSpace("#1003635 #1003670"))
    images.add(loadLibrary(id));
    
  // makes the parent directory
  File gifFile = prepareProgramFile("animated-speaker.gif");
    
  // grab the output image type from the first image in the sequence
  BufferedImage firstImage = ImageIO.read(images.get(0));

  // create a new BufferedOutputStream with the last argument
  ImageOutputStream output = fileImageOutputStream(gifFile);

  // create a gif sequence with the type of the first image, 500 ms
  // between frames, which loops continuously
  GifSequenceWriter writer = 
    new GifSequenceWriter(output, firstImage.getType(), 500, true);

  // Write images
  
  writer.writeToSequence(firstImage);
  
  for (int i=1; i < l(images); i++) {
    BufferedImage nextImage = ImageIO.read(images.get(i));
    writer.writeToSequence(nextImage);
  }

  writer.close();

  print("Wrote " + n(l(images), " frame") + " to: " + gifFile.getAbsolutePath());
}