//CustomPane.java
import javax.swing.* ;
import java.awt.* ;
import java.awt.image.* ;
 
public class CustomPane extends JPanel {
	String str ;
	BufferedImage original = new BufferedImage ( 200 , 50 ,
			BufferedImage.TYPE_INT_ARGB ) ;
	BufferedImage after ;
	double A = 0 ;
	double dA = 2 * Math.PI / 180 ;
 
	public CustomPane ( ) {
		this ( "Hello World" ) ;
	}
 
	public CustomPane ( String s ) {
		str = s ;
		Graphics g = original.getGraphics ( ) ;
		g.setColor ( new Color ( 0 , 0 , 0 , 1 ) ) ;
		g.fillRect ( 0 , 0 , original.getWidth ( ) , original.getHeight ( ) ) ;
		g.setColor ( new Color ( 0 , 0 , 0 , 255 ) ) ;
		g.drawString ( str , 10 , 10 ) ;
	}
 
	@ Override public void paint ( Graphics g ) {
		A += dA ;
		if ( A >= Math.PI/2 ) {
			A -= Math.PI/2 ;
		}
		g.setColor(new Color(255,255,255));
		after = rotateImage ( original , A );
		g.fillRect ( 0 , 0 , original.getWidth ( ) , after.getHeight ( ) ) ;
		g.drawImage (after  , 10 , 10 , null ) ;
	}
 
	public static BufferedImage rotateImage ( BufferedImage bi ,
			double angleRads ) {
		double cosA = Math.cos ( angleRads ) ;
		double sinA = Math.sin ( angleRads ) ;
		BufferedImage nbi = new BufferedImage ( ( int ) Math.abs ( ( bi
				.getWidth ( )
				* cosA + bi.getHeight ( ) * sinA ) ) , ( int ) Math.abs ( ( bi
				.getHeight ( )
				* cosA + bi.getWidth ( ) * sinA ) ) ,
				BufferedImage.TYPE_INT_ARGB ) ;
		Graphics g = nbi.getGraphics ( ) ;
		g.setColor ( new Color ( 0 , 0 , 0 , 0 ) ) ;
		g.fillRect ( 0 , 0 , nbi.getWidth ( ) , nbi.getHeight ( ) ) ;
		for ( int x = 0 ; x < nbi.getWidth ( ) ; x ++ ) {
			for ( int y = 0 ; y < nbi.getHeight ( ) ; y ++ ) {
				try {
					nbi.setRGB ( ( int ) x , ( int ) y , bi.getRGB (
							( int ) ( x * cosA + y * sinA ) , ( int ) ( y
									* cosA - x * sinA ) ) ) ;
				} catch ( Exception e ) {}
			}
		}
		return nbi ;
	}
}

//RotateText.java
import java.awt.*;
import java.awt.event.*;
import java.awt.geom.*;
import javax.swing.*;
import javax.swing.event.*;
import java.util.concurrent.*;
public class RotateText extends JFrame implements Runnable
{
    CustomPane c = new CustomPane("This text will be rotated");
    public RotateText()
    {
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        setSize(200,200);
        this.add(c);
        c.repaint();
        setVisible(true);
        ScheduledThreadPoolExecutor exec = new ScheduledThreadPoolExecutor(3);
        exec.scheduleAtFixedRate(this,0L,33L,TimeUnit.MILLISECONDS);
    }
    public static void main(String[] args){
        new RotateText();
    }
    public void run(){
        c.repaint();
    }
}