OilPaintPreview   414 Magick++/lib/Magick++/Include.h   using MagickCore::OilPaintPreview;
OilPaintPreview  3239 magick/effect.c       case OilPaintPreview:
OilPaintPreview  1383 magick/option.c     { "OilPaint", (ssize_t) OilPaintPreview, MagickFalse },