Graphic Buffers

Question

Hi,
I have 'private Image buffer', 'private Graphics2D ng2d' and 'private Extended2D e2d' [Extended2D is a wrapper for Graphics2D with my own graphics methods] declared global (In DPanel() class). I need to have a seperate and global graphics buffer to which I draw and display it at a later time, not necessarily after I finish drawing to my buffer. The problem occurs when I resize the panel. The size of the buffer remains the same, though the panel has changed size. How do I specify the new size or reset the buffer and anything painted in it? None of the methods in the Image Class seam to hold promise with regards to these problems.
          buffer = createImage ((int)pWidth, (int)pHeight);
          ng2d = (Graphics2D)buffer.getGraphics();
          e2d = new Extended2D (ng2d);Devyn

Answer 1

Thank you, the first suggestion worked but not fully. The application crashes (closes unexpectedly) after I resize it for the second time without any exception error messages or any error messages displayed. I've yet to try your second suggestion.
     addComponentListener (new ComponentListener() {
                         public void componentMoved (ComponentEvent e) {};
                         public void componentResized (ComponentEvent e) {
                              pWidth = getWidth();
                              pHeight = getHeight();
                              if (pWidth > 0) {
                                   if (buffer != null)
                                        buffer.flush();
                                   buffer = createImage ((int)pWidth, (int)pHeight);
                                   ng2d = (Graphics2D)buffer.getGraphics();
                                   e2d = new Extended2D (ng2d);
                         public void componentHidden (ComponentEvent e) {};
                         public void componentShown (ComponentEvent e) {};
                    });Devyn