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

public class ColorPan extends java.applet.Applet {
  Image img; 
  int   width, height;
  int[] pixData;
  
  public void init() { 
    width  = size().width;  System.err.println(width);
    height = size().height; System.err.println(height);
    pixData = new int[width * height];
    int i=0; 

    for (int y=0; y < height; y++) { int red   = (y * 255) / (height -1); 
    for (int x=0; x < width ; x++) { int green = (x * 255) / (width  -1); 
       int blue  = 128; 
       int alpha = 255;
       pixData[i++] = (alpha << 24) | (red << 16) | (green << 8) | blue; 
    }}
  }

  public void paint(Graphics g) { 
    if (img == null ) 
      img = createImage(new MemoryImageSource(width, height, 
					      pixData, 0, width));
    g.drawImage(img, 0, 0, this); 
  }
}