code: public int[] getScaledData()
      {
          for (int x=0;x<width;x++)
          {
              for (int y=0;y<height;y++)
              {
                  process(x,y);
              }
          }
          
          return dstImage;
      }
docs: Get the scale image data. Note this is the method that does the work
  so it might take some time to process.
  
  @return An array of pixels 4 times the size of the input array containing
  the smoothly scaled image