ควบคุมสี

import java.applet.Applet;
import java.awt.AlphaComposite;
import java.awt.Color;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Image;
import java.awt.Rectangle;
import java.awt.geom.Rectangle2D;
import java.awt.image.BufferedImage;
import java.nio.Buffer;

/**
 *
 * @author ArmmyUpBandwitdh
 */
public class Test extends Applet{


       public void paint(Graphics g)
       {

          // ทดสอบการทับการของสี
           BufferedImage bi =new BufferedImage(100,100,BufferedImage.TYPE_INT_ARGB);
           Graphics2D bg= bi.createGraphics();
           bg.setColor(Color.RED);
           bg.fill(new Rectangle2D.Double(10,10,50,40));
           bg.setComposite(AlphaComposite.SrcOver);
           bg.setColor(Color.BLUE);
           bg.fill(new Rectangle2D.Double(40,30,50,60));
           g.drawImage(bi, 0, 0, this);

      }

}