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+.Dd 2016-03-21
+.Dt FF2PPM 1
+.Os suckless.org
+.Sh NAME
+.Nm ff2ppm
+.Nd convert farbfeld to PPM (binary)
+.Sh SYNOPSIS
+.Nm
+.Op Fl b Ar color
+.Sh DESCRIPTION
+.Nm
+reads a
+.Xr farbfeld 5
+image from stdin, converts it to a PPM image (P6 binary format, RGB) and
+writes the result to stdout.
+.Pp
+In case of an error
+.Nm
+writes a diagnostic message to stderr.
+.Sh OPTIONS
+.Bl -tag -width Ds
+.It Fl b Ar color
+.Ar color
+to mix with the background alpha channel, the default is white.
+.Pp
+The following formats are supported:
+"#rrggbb", "#rrrrggggbbbb" and the short-form "#rgb" which expands to "#rrggbb".
+.El
+.Sh EXIT STATUS
+.Bl -tag -width Ds
+.It 0
+Image processed successfully.
+.It 1
+An error occurred.
+.El
+.Sh EXAMPLES
+$
+png2ff < test.png |
+.Nm
+-b '#00ff00' > test.ppm
+.Sh SEE ALSO
+.Xr 2ff 1 ,
+.Xr bunzip2 1 ,
+.Xr bzip2 1 ,
+.Xr png2ff 1 ,
+.Xr farbfeld 5
+.Sh AUTHORS
+.An Hiltjo Posthuma Aq Mt hiltjo@codemadness.org