@<?> fun saveTransparentJpeg(@NotNull dir: java.io.File, @NotNull filename: java.lang.String, @NotNull glRawBitmap: GlRawBitmap): boolean
Save ARGB Bitmap in two JPEG files
filename - the filename prefix
glRawBitmap - the glBitmap data that should be saved
Return
true if saving is successful, false if the files can not be written