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.Dd 2018-04-11
.Dt FF2JPG 1
.Os suckless.org
.Sh NAME
.Nm ff2jpg
.Nd convert farbfeld to JPG
.Sh SYNOPSIS
.Nm
.Op Fl b Ar colour
.Op Fl o
.Op Fl q Ar quality
.Sh DESCRIPTION
.Nm
reads a
.Xr farbfeld 5
image from stdin, converts it to JPG (8-bit 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 colour
Blend the transparent colours with
.Ar colour
specified as rgb, rrggbb or rrrrggggbbbb. The default is fff.
.It Fl o
Optimize the Huffman table, which reduces the file size but takes longer.
.It Fl q Ar quality
Set the output
.Ar quality
ranging from 0 to 100. The default is 85.
.El
.Sh EXIT STATUS
.Bl -tag -width Ds
.It 0
Image processed successfully.
.It 1
An error occurred.
.El
.Sh EXAMPLES
$
.Nm
< image.ff > image.jpg
.Pp
$ bunzip2 < image.ff.bz2 |
.Nm
-b 0f0 -q 90 > image.jpg
.Sh SEE ALSO
.Xr bzip2 1 ,
.Xr farbfeld 5
.Sh AUTHORS
.An Hiltjo Posthuma Aq Mt hiltjo@codemadness.org
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