Pamcomp User Manual(0) Pamcomp User Manual(0) (NAME) pamcomp - ( ) Netpbm (SYNOPSIS) pamcomp [-align={left | center | right | beyondleft | beyondright}] [-valign={top | middle | bottom| above | below}] [-xoff=X] [-yoff=Y] [-alpha=alpha-pgmfile] [-invert] [-opacity=opacity] [-mixtransparency] [-linear] overlay_file [underlying_file [output_file]] . . . (DESCRIPTION) Netpbm(1) . pamcomp ( ). . Netpbm . pamcomp overlay_file underlying_file underlying_file () . -alpha pamcomp alpha-pgmfile (transparency mask) . . (opaque) . (transparent) . ( translucence) . PGM . . ( Netpbm pamcomp PBM PGM ). PAM RGB_ALPHA GRAYSCALE_ALPHA pamcomp . pamcomp . Netpbm 10.25 ( ) pamcomp PAM . . Netpbm PAM RGB_ALPHA GRAYSCALE_ALPHA : pamcomp . . pamcomp . PAM . <<>> . maxval (..) maxval maxval PAM . (opacity channel) -mixtransparency . Netpbm 10.56 ( ) . -align -valign -xoff -yoff . . . pamcomp . ( ). pamcomp . ( PBM PPM) maxval . maxval maxval ( maxval .. ). (ARGUMENTS) overlay_file underlying_file . '-' underlying_file . ( ) . -alpha . output_file pamcomp (truncate) . '-' pamcomp . Netpbm pamcomp Netpbm . (OPTIONS) libnetpbm ( -quiet (Common Options) ) pamcomp : -align=alignment HTML . left center right . -xoff . beyondleft -- . beyondright . -xoff . Netpbm 10.10 ( ) . left . -valign=alignment HTML . top middle bottom . -yoff . above -- . below . -yoff . Netpbm 10.10 ( ) . top . -xoff=x -align . pamcomp x . x . ( ) . pamcomp . Netpbm 10.10 ( ) -xoff -align () . -yoff=y -valign . pamcomp y . y . ( ) . pamcomp . Netpbm 10.10 ( ) -yoff -valign () . -alpha=alpha-pgmfile . . - . . -invert . -opacity=opacity . opacity 1.0 0.0 . 1.0 . ( -alpha) pamcomp ( -invert) . -invert . 0 1 ( ) . pamcomp . <<>> . . pamcomp (clip) maxval . . . (1) . Netpbm 10.6 ( ) . Netpbm 10.15 ( ) . -mixtransparency pamcomp . . pamcomp : . . . PAM pamcomp . Netpbm 10.56 ( ) . pamcomp . -linear Netpbm . -opacity ( -alpha) . -opacity . PNM PAM PNM (gamma-adjusted) . pamcomp . PNM PAM . -linear pamcomp . pamcomp . . . PPM PPM -linear . Netpbm 10.20 ( ) pamcomp pnmcomp PPM . -linear . PNM pnmgamma pamcomp PNM pnmgamma -ungamma PNM . pnmgamma pamcomp . (SEE ALSO) pammixmulti.html(1) . ppmmix(1) pnmpaste(1) . ppmcolormask(1) pbmmask(1) pambackground(1) . pnmcomp(1) . pnm(1) (HISTORY) pamcomp Netpbm 10.21 ( ) . pnmcomp Netpbm . (AUTHOR) (C) David Koblas (koblas@mips.com). (DOCUMENT SOURCE) Netpbm 'makeman' HTML . : http://netpbm.sourceforge.net/doc/pamcomp.html netpbm documentation 13 August 2011 Pamcomp User Manual(0)