RollPreview       372 Magick++/lib/Magick++/Include.h   using MagickLib::RollPreview;
RollPreview      1141 TclMagick/generic/TclMagick.c         UndefinedPreview,       RotatePreview,      ShearPreview,      RollPreview,
RollPreview       286 coders/preview.c       case RollPreview:
RollPreview      1022 magick/enum_strings.c     preview_type=RollPreview;