Class Saver

src/main/java/field/graphics/util/Saver.java:24–222

/*
Class to save out a canvas to a directory of .jpgs
 */
public class Saver {

	private final int numWorkers;

	public final int width;
	public final int height;

	private final ExecutorService pool;

	private final String prefix;

	public Saver(int width, int height, int numWorkers, String prefix) {
		this.width = width;
		this.height = height;
		this.numWorkers = numWorkers;
		this.prefix = prefix;

		pool = Executors.newCachedThreadPool();
	}

	List<FutureTask<Pair<ByteBuffer, ByteBuffer>>> workers = new ArrayList<>();

	public int frameNumber = 0;

	public int strobe = 1;

	@HiddenInAutocomplete
	boolean on = false;
	@HiddenInAutocomplete
	boolean drip = false;

	private String lastFilename;


	@HiddenInAutocomplete
	public void setOn(boolean on) {
		this.on = on;
		drip = false;
	}

	/**
	 * call to start streaming jpgs out to disk
	 */
	public String start() {
		setOn(true);
		return "Saving to '" + prefix + "'";
	}

	/**
	 * call to stop streaming jpgs out to disk
	 */
	public void stop() {
		setOn(false);
	}

	/**