Hull             1166 magick/effect.c       Hull(image,X[k],Y[k],image->columns,image->rows,1,pixels,buffer);
Hull             1167 magick/effect.c       Hull(image,-X[k],-Y[k],image->columns,image->rows,1,pixels,buffer);
Hull             1168 magick/effect.c       Hull(image,-X[k],-Y[k],image->columns,image->rows,-1,pixels,buffer);
Hull             1169 magick/effect.c       Hull(image,X[k],Y[k],image->columns,image->rows,-1,pixels,buffer);