throw new Error("not implemented");
if(  cachedRaster == null || cachedRaster.getWidth() < width || cachedRaster.getHeight() < height) { cachedRaster = new ColorRaster(colorModel, 0, 0, width, height, color); } return cachedRaster.createChild(0 ,0 ,width ,height ,x ,y , null);
  public Raster getRaster(int x, int y, int w, int h)  {    // XXX Implement. Sun uses undocumented implementation class    // sun.awt.image.IntegerInterleavedRaster.    throw new Error("not implemented");  }