/**
 * 
 */
package cortexrules;

import java.awt.geom.*;

/**
 * <p>This program allows access to the different rules.
 * 
 * </p>
 * @author John H. Krantz, Ph.D.
 * Copyright 2007
 * @version 0.1
 *
 */
public class Rules {

	// rules
	GeoOrientLineJoin rule1 = new GeoOrientLineJoin();
	ConOrientLineJoin rule2 = new ConOrientLineJoin();
	ContOrientSensJoin rule3 = new ContOrientSensJoin();
	ContOrientSens rule4 = new ContOrientSens();
	ConnectSame rule5 = new ConnectSame();
	
	// rule constants
	public final static int RULE_1 = 0;
	public final static int RULE_2 = 1;
	public final static int RULE_3 = 2;
	public final static int RULE_4 = 3;
	public final static int RULE_5 = 4;
	private int rule = RULE_1;
	private int ruleLast = RULE_5;
	
	// constants for the arragment of the type
	// of edges in the shapes array
	public final static int POS = 0;
	public final static int NEG = 1;
	
	public Rules(){
	}
	
	public final static String [] RULE_DESC = {
		GeoOrientLineJoin.NAME,
		ConOrientLineJoin.NAME,
		ContOrientSensJoin.NAME,
		ContOrientSens.NAME,
		ConnectSame.NAME};
	
	
	// get methods
	/**
	 * getAllShapes: allows all segmented shapes to be discovered
	 * in the output of the cortex model
	 * @param double [][][] cortex the cortex output data
	 * @param Rectangle2D [][] rfArray the plotting array for the cortex
	 * @return GeneralPath[][] the segmented shapes: 
	 * positive contoours in [0][], 
	 * negative contours in [1][]
	 */
	public GeneralPath [][] getAllShapes(double [][][] cortex,
			Rectangle2D [][] rfArray){
		// objects to return
		GeneralPath [][] shapes = null;
		switch (rule){  // get shapes depending upon rule
		case RULE_1 :
			shapes = rule1.getAllShapes(cortex,rfArray);
			break;
		case RULE_2 :
			shapes = rule2.getAllShapes(cortex,rfArray);
			break;
		case RULE_3 :
			shapes = rule3.getAllShapes(cortex,rfArray);
			break;
		case RULE_4 :
			shapes = rule4.getAllShapes(cortex,rfArray);
			break;
		case RULE_5 :
			shapes = rule5.getAllShapes(cortex,rfArray);
			break;
		}
		
		return shapes;
	}
	
	// set methods
	public void setRule(int r){
		rule = (r >=0 & r <= ruleLast ? r : rule);
	}
	
}