IntensityWatcher.java

/*
 * IntensityWatcher.java
 *
 * Created on June 20, 2006, 11:30 AM
 */
package edu.mbl.jif.gui.imaging;

import edu.mbl.jif.gui.imaging.event.PixelChangeEvent;
import edu.mbl.jif.gui.imaging.event.PixelChangeListener;
import edu.mbl.jif.gui.imaging.event.RoiChangeEvent;
import edu.mbl.jif.gui.imaging.event.RoiChangeListener;
// TODO import edu.mbl.jif.io.CSVFileWrite;

import java.awt.Color;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.util.concurrent.locks.Condition;
import javax.swing.JFrame;

// TODO 
//import info.monitorenter.gui.chart.ITrace2D;
//import info.monitorenter.gui.chart.TracePoint2D;
//import info.monitorenter.gui.chart.Chart2D;
//import info.monitorenter.gui.chart.rangepolicies.RangePolicyMinimumViewport;
//import info.monitorenter.gui.chart.traces.Trace2DLtd;
//import info.monitorenter.util.Range;
import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReentrantLock;
import javax.swing.SwingUtilities;

/**
 *
 * @author GBH
 */
public class IntensityWatcher
		implements IntensityWatcherInterface, PixelChangeListener, RoiChangeListener {

	int n = 0;
	int freq = 6;
	String filename;
//	CSVFileWrite file;
//	ITrace2D trace = null;
	long startTime;
	float meanValue;
	float lastMeanValue = 0;
	float delta;
	private float stabilityLevel = 1.0f;
	private boolean stable;
	private int timeToStable;

	public IntensityWatcher() {
		this(6, null);
	}

	public IntensityWatcher(int freq, String filename) {
//		this.freq = freq;
//		openChartFrame();
//		// open file for data
//		if (filename != null) {
//			file = new CSVFileWrite(filename);
//		}
//		startTime = System.nanoTime();
	}

	public void setMeasurementFreq(int freq) {
		this.freq = freq;
	}

	public void pixelChanged(PixelChangeEvent evnt) {
	}

	public void roiChanged(RoiChangeEvent evnt) {
//		n++;
//		lastMeanValue = meanValue;
//		meanValue = evnt.mean;
//		delta = Math.abs(lastMeanValue - meanValue);
//		if (!stable) {
//			if (delta < stabilityLevel) {
//				stablized();
//			}
//		}
//		if (file != null) {
//			file.writeRow((System.nanoTime() - startTime) / 1000000, meanValue);
//		}
//		if (n % freq == 0) {
//			//System.out.println(evnt.mean);
//			if (trace != null) {
//				SwingUtilities.invokeLater(new Runnable() {
//					public void run() {
//						try {
//							trace.addPoint(
//									new TracePoint2D(((double) System.currentTimeMillis() - startTime),
//									meanValue));
//						} catch (Exception exception) {
//						}
//
//					}
//
//				});
//			}
//		}
	}

//    public void logToFile(final String msg) {
//        new Thread(new Runnable() {
//            public void run() {
//                
//            }
//        }).start();
//    }
//    
	public float getMean() {
		return meanValue;
	}

	public float getStableMean(long maxMillisecs) {
		long n = maxMillisecs;
		long start = System.nanoTime();
		stable = false;
		try {
			this.waitForStable();
		} catch (InterruptedException ex) {
			ex.printStackTrace();
		}
		timeToStable = (int) (System.nanoTime() - start) / 1000;
		return meanValue;
	}

	// nanoseconds
	public int getTimeToStable() {
		return timeToStable;
	}

	public void setStabilityLevel(float stabilityLevel) {
		System.out.println("stabilityLevel = " + stabilityLevel);
		this.stabilityLevel = stabilityLevel;
	}

	public float getStabilityLevel() {
		return stabilityLevel;
	}

	private Lock lock = new ReentrantLock();
	private Condition condition = lock.newCondition();

	public void stablized() {
		lock.lock();
		try {
			stable = true;
			condition.signalAll();
		} finally {
			lock.unlock();
		}
	}

	public void waitForStable() throws InterruptedException {
		lock.lock();
		try {
			while (stable == false) {
				condition.await();
			}
		} finally {
			lock.unlock();
		}
	}

	//
	public void openChartFrame() {
//		Chart2D chart = new Chart2D();
//		chart.getAxisY().setRangePolicy(new RangePolicyMinimumViewport(new Range(0,
//				256)));
//		// Note that dynamic charts need limited amount of values!!!
//		trace = new Trace2DLtd(200);
//		trace.setColor(Color.BLUE);
//		chart.addTrace(trace);
//		JFrame frame = new JFrame("Intensity (Avg for ROI)");
//		try {
//			frame.setIconImage((new javax.swing.ImageIcon(getClass().getResource("icons/plot.png"))).getImage());
//		} catch (Exception ex) {
//		}
//		frame.getContentPane().add(chart);
//		frame.setSize(400, 300);
//		// Enable the termination button [cross on the upper right edge]:
//		frame.addWindowListener(
//				new WindowAdapter() {
//			public void windowClosing(WindowEvent e) {
//				closeTextFile();
//				trace = null;
//			}
//
//		});
//		frame.setLocation(500, 20);
//		frame.setVisible(true);
//		startTime = System.currentTimeMillis();
	}

	public void closeTextFile() {
//		if (file != null) {
//			file.close();
//		}
	}

}