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 },