CharcoalDrawingPreview  879 Magick++/lib/Magick++/Include.h   using MagickCore::CharcoalDrawingPreview;
CharcoalDrawingPreview 2860 magick/effect.c       case CharcoalDrawingPreview:
CharcoalDrawingPreview 1479 magick/option.c     { "Charcoal", CharcoalDrawingPreview, UndefinedOptionFlag, MagickFalse },