CharcoalDrawingPreview  561 Magick++/lib/Magick++/Include.h   using MagickCore::CharcoalDrawingPreview;
CharcoalDrawingPreview 2552 magick/effect.c       case CharcoalDrawingPreview:
CharcoalDrawingPreview 1428 magick/option.c     { "Charcoal", CharcoalDrawingPreview, UndefinedOptionFlag, MagickFalse },