FlattenAlphaChannel  246 Magick++/lib/Magick++/Include.h   using MagickCore::FlattenAlphaChannel;
FlattenAlphaChannel  751 magick/channel.c     case FlattenAlphaChannel:
FlattenAlphaChannel  101 magick/option.c     { "Flatten", FlattenAlphaChannel, UndefinedOptionFlag, MagickFalse },