transformSkewY   4225 Magick++/lib/Image.cpp   options()->transformSkewY( skewy_ );
transformSkewY   1374 Magick++/lib/Magick++/Image.h     void            transformSkewY ( const double skewy_ );
transformSkewY    256 Magick++/lib/Magick++/Options.h     void            transformSkewY ( double skewy_ );