AS3 / Air：PNG> File> FileStream> ByteArray> BitmapData

I want to use FileSteam.open() to synchronously read image files from disk. I can then get them into a ByteArray with readBytes(), but I can't find how to get that into BitmapData. I know Image can read it as is, but I need BitmapData.I want to use FileSteam.open() to synchronously