// This example is from the book _Java AWT Reference_ by John Zukowski.
// Written by John Zukowski. Copyright (c) 1997 O'Reilly & Associates.
// You may study, use, modify, and distribute this example for any purpose.
// This example is provided WITHOUT WARRANTY either expressed or
import java.applet.*;
import java.awt.*;
import java.awt.image.*;
public class Crop extends Applet {
Image i, j;
public void init () {
MediaTracker mt = new MediaTracker (this);
i = getImage (getDocumentBase(), "rosey.jpg");
mt.addImage (i, 0);
try {
mt.waitForAll();
int width = i.getWidth(this);
int height = i. getHeight(this);
j = createImage (new FilteredImageSource (i.getSource(),
new CropImageFilter (width/3, height/3,
width/3, height/3)));
} catch (InterruptedException e) {
e.printStackTrace();
}
}
public void paint (Graphics g) {
g.drawImage (i, 10, 10, this); // regular
if (j != null) {
g.drawImage (j, 10, 90, this); // cropped
}
}
}
|