package ip.gui;
import java.awt.*;
import java.util.Enumeration;
import java.util.Vector;
public class Points {
private Vector pointVector = new Vector();
private Enumeration pointEnumeration = null;
public void addPoint(Point p) {
pointVector.addElement(p);
}
public Point getPointAt(int i) {
return (Point) pointVector.elementAt(i);
}
public boolean hasMorePoints() {
if (pointEnumeration == null) pointEnumeration = getEnumeration();
return pointEnumeration.hasMoreElements();
}
public Point nextPoint() {
if (pointEnumeration == null) pointEnumeration = getEnumeration();
if (!hasMorePoints()) return null;
return (Point) pointEnumeration.nextElement();
}
private Enumeration getEnumeration() {
return pointVector.elements();
}
public int getSize() {
return pointVector.size();
}
public void drawUserPoints(Graphics g) {
for (int i = 0; i < getSize(); i++) {
Point p = getPointAt(i);
g.drawLine(p.x - 1, p.y - 1, p.x + 1, p.y + 1);
g.drawLine(p.x + 1, p.y - 1, p.x - 1, p.y + 1);
}
}
public static boolean isRangeValid(Point p1, Point p2, Dimension d) {
return isRangeValid(p1, d) && isRangeValid(p2, d);
}
public static boolean isRangeValid(Point p, Dimension d) {
return (p.x >= 0) && (p.y >= 0) && (p.x < d.width) && (p.y < d.height);
}
}