message: Remove dumb unused 'BottomUp' flag for ImageSource.
diff: @@ -68,9 +68,6 @@ export const enum ImageSourceFormat {
  Png = 2,
  }
  -/** Is image stored bottom-up or top-up? This determines whether the rows should be flipped top-to-bottom */
  -export const enum BottomUp { No = 0, Yes = 1 }
  -
  /** Image data encoded and compressed in either Jpeg or Png format. */
  export class ImageSource {
  /** The content of the image, compressed */
  