OilPaintPreview   575 Magick++/lib/Magick++/Include.h   using MagickCore::OilPaintPreview;
OilPaintPreview  2608 magick/effect.c       case OilPaintPreview:
OilPaintPreview  1439 magick/option.c     { "OilPaint", OilPaintPreview, UndefinedOptionFlag, MagickFalse },