BrightnessPreview  868 Magick++/lib/Magick++/Include.h   using MagickCore::BrightnessPreview;
BrightnessPreview 2883 magick/effect.c       case BrightnessPreview:
BrightnessPreview 1493 magick/option.c     { "Brightness", BrightnessPreview, UndefinedOptionFlag, MagickFalse },