289 - Buffered Image Renderer

//
//  BufferedImageRenderer.java
//  SwingEasel
//
//  Created by Philip Rhodes on 9/2/05.
//  Copyright 2005 Philip J Rhodes. All rights reserved.
//


import java.awt.*;
import java.awt.image.*;


/** This abstract class provides a BufferedImage for double buffering. Although
 *  Swing provides double buffering by default, using a BufferedImage allows
 *  us to access the array of bytes representing the image, speeding performance.
 */
public abstract class BufferedImageRenderer extends ImageRenderer{

   /** Create a VolatileImageRenderer to render the shapes in the World w.*/
   BufferedImageRenderer(World w, int width, int height, boolean showFPS){

      super(w, width, height, showFPS);
   }

   /** Creates the Buffered image and associated Graphics object. The image
    *  takes its dimensions from the size of the JPanel. (Remember that this
    *  class is a child of JPanel.)
    */
   public void init(){

//      do {

         this.backingImage = new BufferedImage(this.imageWidth, this.imageHeight, BufferedImage.TYPE_BYTE_INDEXED );

//      } while(this.backingImage == null);

      this.imageGraphics = this.backingImage.getGraphics();
   }


}