QuadraticFilter    94 Magick++/demo/zoom.cpp               filter=QuadraticFilter;
QuadraticFilter   251 Magick++/lib/Magick++/Include.h   using MagickLib::QuadraticFilter;
QuadraticFilter  1004 TclMagick/generic/TclMagick.c         HanningFilter,   HammingFilter, BlackmanFilter, GaussianFilter, QuadraticFilter,
QuadraticFilter   668 magick/enum_strings.c     filter=QuadraticFilter;
QuadraticFilter  1285 magick/enum_strings.c     case QuadraticFilter: