QuantizePreview   380 Magick++/lib/Magick++/Include.h   using MagickLib::QuantizePreview;
QuantizePreview  1143 TclMagick/generic/TclMagick.c         SpiffPreview,           DullPreview,        GrayscalePreview,  QuantizePreview,
QuantizePreview   356 coders/preview.c       case QuantizePreview:
QuantizePreview  1038 magick/enum_strings.c     preview_type=QuantizePreview;