PlusCompositeOp   207 Magick++/lib/Magick++/Include.h   using MagickCore::PlusCompositeOp;
PlusCompositeOp  2368 magick/composite.c         case PlusCompositeOp:
PlusCompositeOp   760 magick/option.c     { "Plus", (ssize_t) PlusCompositeOp, MagickFalse },