message: Add non-consumable equivalent of into_raw to ImageBuffer
diff: @@ -646,6 +646,11 @@ where
  self.data
  }
  + /// Returns the underlying raw buffer
  + pub fn as_raw(&self) -> &Container {
  + &self.data
  + }
  +
  /// The width and height of this image.
  pub fn dimensions(&self) -> (u32, u32) {
  (self.width, self.height)
  