public class MandelbrotHandler {
	final MandelbrotThread[] threads;
	final Object waitForCommand = new Object();
	final Object waitForRender = new Object();
	final Object lock = new Object();
	int renderingThreads = 0;
	MandelbrotImage mi = null;
	
	public MandelbrotHandler(int numThreads) {
		threads = new MandelbrotThread[numThreads];
		for (int i = 0; i < numThreads; i++) {
			threads[i] = new MandelbrotThread(0, 0, null, this);
			threads[i].setDaemon(true);
			threads[i].start();
		}
	}
	
	public void setImage(MandelbrotImage mi) {
		this.mi = mi;
		int rowCount = mi.getHeight() / threads.length;
		int rowStart = 0;
		for (int i = 0; i < threads.length; i++) {
			threads[i].mi = mi;
			threads[i].rowMin = rowStart;
			threads[i].rowMax = (rowStart += rowCount);
		}
		renderingThreads = threads.length;
	}
	
	public void waitForRenderCommand() {
		// TODO: add code to wait for a render command here
		// You should use the waitForCommand object to wait on.
	}
	
	public void waitForRenderToFinish() {
		// TODO: add code to wait for a render to finish here
		// You should use the waitForRender object to wait on.
	}
	
	public void sendRenderCommand() {
		// TODO: add code to send a render command here
		// You should use the waitForCommand object send the notification.
	}
	
	public void sendRenderFinished() {
		// TODO: add code to send a render finished notification here
		// You should use the waitForRender object send the notification.
	}
}