Java by API/java.awt.image/ShortLookupTable

new ShortLookupTable(int offset, short[] data)

   <source lang="java">

import java.awt.Graphics; import java.awt.image.BufferedImage; import java.awt.image.BufferedImageOp; import java.awt.image.LookupOp; import java.awt.image.ShortLookupTable; import javax.swing.JFrame; import javax.swing.JPanel; public class MainClass extends JPanel {

 public void paint(Graphics g) {
   short[] invert = new short[256];
   for (int i = 0; i < invert.length; i++)
     invert[i] = (short) (255 - i);
   BufferedImageOp invertOp = new LookupOp(new ShortLookupTable(0, invert), null);
   BufferedImage clone = invertOp.filter(createImage(), null);
   g.drawImage(clone, 20,20,this);
 }
 
 private BufferedImage createImage(){
   BufferedImage bufferedImage = new BufferedImage(200,200,BufferedImage.TYPE_INT_RGB);
   Graphics g = bufferedImage.getGraphics();
   g.drawString("www.jexp.ru", 20,20);
   
   return bufferedImage;
 }
 public static void main(String[] args) {
   JFrame frame = new JFrame();
   frame.getContentPane().add(new MainClass());
   frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
   frame.setSize(200, 200);
   frame.setVisible(true);
 }
 
 

}

      </source>