Canvas and BufferedImage display different.

Question

I use the same method to paint the Canvas and the BufferedImage. But the Graphics2D drawString method
shows up correctly on the Canvas but not on the BufferedImage (JPEG). Why is there a difference?
I use the Graphics2D to rotate the text 90 degrees.
I can't think of any reason why the display comes out different.
Any suggestions???
Thanks.

Answer 1

Here is the code for putting the Canvas graphics onto the BufferedImage (JPEG).
public void save(HCanvas comp) {
     int w = comp.getWidth();
     int h = comp.getHeight();
     Frame frame = new Frame();
     BufferedImage im = new BufferedImage(w,h,BufferedImage.TYPE_INT_RGB);
     Graphics2D g2 = im.createGraphics();
     g2.setPaint(Color.white);
     g2.fillRect(0,0,w,h);
     g2.setPaint(Color.black);          // back to default color
     comp.paint(g2);                              // Graphics argument
     g2.dispose();
     FileDialog fd = new FileDialog(frame,"Save As JPEG",FileDialog.SAVE);
     fd.show();
     try {
          String dum;
          dum = fd.getDirectory() + fd.getFile();
          OutputStream out = new FileOutputStream(dum);
          JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(out);
          encoder.encode(im);
          out.flush();
          out.close();
          im.flush();
     } catch (Exception FileNotFoundException) {
          String errormsg = "File Not Assigned";
          JOptionPane.showMessageDialog(frame, errormsg);