DefaultWaypointRenderer.java

/*
 * WaypointRenderer.java
 *
 * Created on March 30, 2006, 5:24 PM
 *
 * To change this template, choose Tools | Template Manager
 * and open the template in the editor.
 */

package org.jdesktop.swingx.mapviewer;

import java.awt.BasicStroke;
import java.awt.Color;
import java.awt.Graphics2D;
import java.awt.image.BufferedImage;
import javax.imageio.ImageIO;

/**
 * This is a standard waypoint renderer. It draws all waypoints as blue circles
 * with crosshairs over the waypoint center
 * 
 * @author joshy
 */
public class DefaultWaypointRenderer implements WaypointRenderer {

	BufferedImage img = null;

	/**
	 * Default constructor
	 */
	public DefaultWaypointRenderer() {
		try {
			img = ImageIO.read(getClass().getResource("resources/standard_waypoint.png"));
		} catch (Exception ex) {
			System.out.println("couldn't read standard_waypoint.png");
			System.out.println(ex.getMessage());
			ex.printStackTrace();
		}
	}

	/**
	 * @see WaypointRenderer#paintWaypoint(Graphics2D, JXMapViewer, Waypoint)
	 */
	@Override
	public boolean paintWaypoint(Graphics2D g, JXMapViewer map, Waypoint waypoint) {
		if (img != null) {
			g.drawImage(img, -img.getWidth() / 2, -img.getHeight(), null);
		}
		else {
			g.setStroke(new BasicStroke(3f));
			g.setColor(Color.BLUE);
			g.drawOval(-10, -10, 20, 20);
			g.setStroke(new BasicStroke(1f));
			g.drawLine(-10, 0, 10, 0);
			g.drawLine(0, -10, 0, 10);
		}
		return false;
	}
}