import java.awt.image.BufferedImage;
abstract class PhotoTransform{
      PixelTransform tr;
      double scale;
   public BufferedImage transform( BufferedImage image ){

      int width = (int) Math.round(image.getWidth() * scale);
      int height = (int) Math.round(image.getHeight() * scale);
      BufferedImage newImage = new BufferedImage(width,height,
                                BufferedImage.TYPE_INT_RGB);

      tr.init(image);

      for(int i = 0; i < width; i++) {
         for(int j = 0; j < height; j++) {
            newImage.setRGB(i, j, tr.getPixel( i, j ));
      }  }
      return newImage;
}  }