MysteryProgram

This program draws crosshairs that intersect at the current mouse location. It also displays the coordinates of the mouse.

import objectdraw.*;
import java.awt.*;

public class MysteryProgram extends WindowController {	
	private static final int HORIZ_OFFSET = 15;
	private static final int VERT_OFFSET = 2;
	
	private Line vert;
	private Line horiz;
	private Text label;

	public void begin()
	{
		new VisibleImage( getImage("pic.jpg"),0, 0, canvas);
		vert = new Line (0, 0, 0, 0, canvas);
		horiz = new Line (0, 0, 0, 0, canvas);
		label = new Text("", 0, 0, canvas);
		vert.setColor (Color.YELLOW);
		horiz.setColor (Color.YELLOW);
		label.setColor (Color.YELLOW);
	}

	public void onMouseMove(Location point) {
		vert.setEndPoints(point.getX(), 0, point.getX(), canvas.getHeight());				
		horiz.setEndPoints( 0, point.getY(), canvas.getWidth(), point.getY());

		label.setText("[" + point.getX() + "," + point.getY() + "]");
		label.moveTo(point.getX() + HORIZ_OFFSET, point.getY() + VERT_OFFSET);
	}
}