/**
 * 
 */
package analyze;

import java.awt.*;
import java.awt.geom.*;

/**
 * @author John
 *
 */
public class PlotActivity {
	
	// empty constructor
	public PlotActivity(){}
	
	// the painting routine
	public double plotActivity(Graphics2D g2d,
			Rectangle2D rfLoc, double val,
			double maxVal, double minVal){
		double max = maxVal;
		double min = 0;
		// make a minimum scale
		if (max < 5) max = 5;
		
		boolean pA = true;  // true
		// if activity is more positive
		// than negative
		if (val<0){
			pA = false;
			val = -val;
			max = -minVal;
		}  // activity is more negative
		int lum = 0;  // luminance step
		// determine luminance steps
		lum = (int)(255.0*(val-min)/
				(max-min));
		if (pA){
			g2d.setPaint(new 
					Color(lum,lum,lum));
		}	
		else {
			g2d.setPaint(new 
					Color(lum,0,lum/3));
		}
		g2d.fill(rfLoc);
		
		return val;
	}
	public double plotActivity(int type, Graphics2D g2d,
			Rectangle2D rfLoc, double [] sum,
			double maxVal, double minVal){

		// get the point mean activity level
		double val = 0;
		switch(type){
		case PlotOutput.MAX_ACT :
			val = sum[Summarize.MAX];
			break;
		case PlotOutput.MIN_ACT :
			val = sum[Summarize.MIN];
			break;
		case PlotOutput.MEAN_ACT :
			val = sum[Summarize.MEAN];
			break;
		}
		
		val = plotActivity(g2d, rfLoc,val,maxVal,minVal);
		
		return val;  // return the lumninance value
	}
	
}