Pbmmask User Manual(0) Pbmmask User Manual(0) (NAME) pbmmask - (SYNOPSIS) pbmmask [-expand] [pbmfile] (DESCRIPTION) Netpbm(1) . pbmmask PBM PBM . pambackground . <<>> . () . (masked paste) : pbmmask obj > objmask pnmpaste < dest -and objmask | pnmpaste -or obj : pbmmask obj > objmask pnminvert objmask | pnmpaste -and obj 0 0 > blackback pnmpaste < dest -and objmask | pnmpaste -or blackback . pnmarith . : ppmtopgm obj.ppm | pamditherbw -threshold | pbmmask > objmask.pbm pnmarith -multiply dest.ppm objmask.pbm > t1.ppm pnminvert objmask.pbm | pnmarith -multiply obj.ppm - > t2.ppm pnmarith -add t1.ppm t2.ppm (pipe) pnmsmooth . . (OPTIONS) libnetpbm ( -quiet (Common Options) ) pbmmask : -expand . . ( pbmlife ...) (SEE ALSO) pambackground(1) ppmcolormask(1) pnmpaste(1) pnminvert(1) pnmarith(1) pnmsmooth(1) pbm(1) (AUTHORS) (C) Jef Poskanzer . (HISTORY) pbmmask Netpbm . ( ). pambackground . Bryan pambackground pbmmask . pbmmask (wrapper) pambackground . (DOCUMENT SOURCE) 'makeman' Netpbm HTML . : http://netpbm.sourceforge.net/doc/pbmmask.html netpbm documentation 28 September 2021 Pbmmask User Manual(0)