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Load several images from a single GIFTag(s): AWT


It's a good idea to combine small GIFs into a single big one to speed up the loading process. In the following snippet, I assume that all images are the same height and width. You may want to get this GIF () if you want to try the example on your workstation! 
import java.applet.*;
import java.awt.*;
import java.io.*;
import java.net.*;

public class strip extends Applet{
  int iconHeight = 16;
  int iconWidth  = 16;
  int iconCount  = 2;
  Image icon[] = new Image[iconCount];
  Image allIcons;

  public void init(){
    loadImages("item.gif");   
    }

  public void paint(Graphics g) {
    g.drawImage(allIcons, 0, 0, this);
    g.drawImage(icon[0], 0, 20, this);
    g.drawImage(icon[1], 0, 40, this);
    }

  public void loadImages(String s) {
    MediaTracker t=new MediaTracker(this);
    allIcons=createImage(1,1);
    try {
      URL u=new URL(getCodeBase(), s);
      allIcons=Toolkit.getDefaultToolkit().getImage(u);
      t.addImage(allIcons,0);
      } 
    catch (MalformedURLException me) {
      System.out.println("MalformedURLException: " + me);
      }
    try {
      t.waitForAll(15000);
      } 
    catch (InterruptedException e) {
      System.out.println("interrupted");
      }
    for (int i=0; i < iconCount; i++) {
      Image z=createImage(iconWidth,iconHeight);
      Graphics g=z.getGraphics();
      g.clipRect(0,0,iconWidth,iconHeight);
      g.drawImage(allIcons,-i*iconWidth,0,this);
      icon[i]=z;
      }
  }
}
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