def _adjust_bounds(width, height, bounds):
  """Adjusts image bounds w/ ratio of actual width/height and full screen."""
  width_ratio = width / 1440.
  height_ratio = height / 2560.
  top_x, top_y, bottom_x, bottom_y = bounds
  return [
      int(top_x * width_ratio),
      int(top_y * height_ratio),
      int(bottom_x * width_ratio),
      int(bottom_y * height_ratio)
  ]