DullPreview       378 Magick++/lib/Magick++/Include.h   using MagickLib::DullPreview;
DullPreview      1143 TclMagick/generic/TclMagick.c         SpiffPreview,           DullPreview,        GrayscalePreview,  QuantizePreview,
DullPreview       332 coders/preview.c       case DullPreview:
DullPreview      1034 magick/enum_strings.c     preview_type=DullPreview;