According to UEFI spec, NewImageEx()/SetImageEx()/DrawImageEx() implicitly call the non-Ex version interface of HiiImage protocol. GetImageEx()/DrawImageIdEx() are the enhanced version of GetImage()/DrawImageId(), which can support decoding JPEG/PNG through the help of HiiImageDecoder protocol. Contributed-under: TianoCore Contribution Agreement 1.0 Reviewed-by: Liming Gao <liming.gao@intel.com> Cc: Eric Dong <eric.dong@intel.com> Cc: Dandan Bi <dandan.bi@intel.com> Signed-off-by: Ruiyu Ni <ruiyu.ni@intel.com>