code: func Scale(img image.Image, width, height int) draw.Image {
  	dimg := image.NewRGBA(image.Rect(0, 0, width, height))
  	graphics.Scale(dimg, img)
  
  	return dimg
  }
docs: /*
  xgraphics/util.go contains a variety of image manipulation functions that
  are not specific to xgraphics.Image.
  */
  // Scale is a simple wrapper around graphics.Scale.