import java.awt.*;
import java.awt.image.*;
import java.awt.event.*;
import javax.swing.*;
import java.net.URL;
import javax.swing.event.*;


public class ImageRotate extends JFrame
{
  
  private FImage2D originalImage, resultImage;
  private JLabel originalImageLabel, resultImageLabel;

  
  
  public ImageRotate(String name){
    // Initialize the GUI
    originalImage = new FImage2D( loadImage( name ) );
    resultImage = originalImage.invert();     

    Container pane = getContentPane();
    originalImageLabel = new JLabel( new ImageIcon(originalImage.bufferedImage() ));
    resultImageLabel = new JLabel( new ImageIcon(resultImage.bufferedImage() ));
    
    pane.add( originalImageLabel, BorderLayout.WEST );
    pane.add( resultImageLabel, BorderLayout.EAST );
    
    
    pane.add( new JLabel("angle:") );
    JSlider angleSlider = new JSlider(JSlider.HORIZONTAL, -180, 180, 0);
    angleSlider.addChangeListener(new angleListener() );
    angleSlider.setMajorTickSpacing(90);
    angleSlider.setMinorTickSpacing(10);
    angleSlider.setPaintTicks(true);
    angleSlider.setPaintLabels(true);
    angleSlider.setBorder(BorderFactory.createEmptyBorder(0,0,20,20));
    pane.add( angleSlider );
    
  }
  
  class angleListener implements ChangeListener {
    public void stateChanged(ChangeEvent e) {
      JSlider source = (JSlider)e.getSource();
      if (!source.getValueIsAdjusting()) {
        double angle = (double)source.getValue();
        resultImage = originalImage.rotate( (float)(angle * Math.PI / 180.0) );
        resultImageLabel.setIcon( new ImageIcon(resultImage.bufferedImage()) );
      }
    }
  }

  
  public BufferedImage loadImage( String name ) {
    URL url = ImageRotate.class.getResource(name);
    
    Image image = this.getToolkit().getImage(url);;
    try {
      MediaTracker tracker = new MediaTracker( this );
      tracker.addImage( image, 0 );
      tracker.waitForID(0);
    } catch ( Exception e ) {
      System.err.println(e);
      System.exit(1);
    }
    int width = image.getWidth(this);
    int height = image.getHeight(this);
    
    BufferedImage input = new BufferedImage( width, height,
                                            BufferedImage.TYPE_INT_RGB );
    input.createGraphics().drawImage( image, 0, 0, null );
    return input;
  }

  public static void main( String[] argv ){
    if( argv.length == 0 ) {
      try {
        JFrame  frame = new ImageRotate( "cameraman.jpg" );
        frame.pack();
        frame.setVisible(true);
      }
      catch (Exception e) {
        System.err.println(e);
        System.exit(1);
      }
    }
    else {
      System.err.println("usage: java ImageRotate" );
      System.exit(1);
    }
  }
}

------解决方案--------------------
mark


------解决方案--------------------
用JAI就可以了