.TH xtotroff 1 "16 October 2023" "groff 1.23.0"
.SH Name
xtotroff \- convert X font metrics into
.I groff
font metrics
.
.
.\" ====================================================================
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.
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.\" ====================================================================
.SH Synopsis
.\" ====================================================================
.
.SY xtotroff
.RB [ \-d\~\c
.IR destination-directory ]
.RB [ \-r\~\c
.IR resolution ]
.RB [ \-s\~\c
.IR type-size ]
.I font-map
.YS
.
.
.SY xtotroff
.B \-\-help
.YS
.
.
.SY xtotroff
.B \-v
.
.SY xtotroff
.B \-\-version
.YS
.
.
.\" ====================================================================
.SH Description
.\" ====================================================================
.
.I xtotroff
uses
.I font-map
to create
.MR groff 1
font description files from X11 fonts.
.
Each line in
.I font-map
consists of a series of lines of paired
.I groff
font names and X font names as X Logical Font Description (XLFD)
patterns,
with the pair members separated by spaces and/or tabs.
.
For example,
an input
.I font-map
file consisting of the line
.
.RS
.EX
TB \-adobe\-times\-bold\-r\-normal\-\-*\-*\-*\-*\-p\-*\-iso8859\-1
.EE
.RE
.
maps the XLFD on the right to the
.I groff
font name
.BR TB ,
conventionally \[lq]Times bold\[rq].
.
.
.PP
.I xtotroff
opens a connection to the running X server to query its font catalog,
and aborts if it cannot.
.
If necessary,
the wildcards in the XLFD patterns are populated with the arguments to
the
.B \-r
and
.B \-s
options.
.
If a font name is still ambiguous,
.I xtotroff
aborts.
.
For each successful mapping,
.I xtotroff
creates a
.I groff
font description file in the current working directory
(or that specified by the
.B -d
option)
named for each
.I groff
font,
and reports the mapping to the standard output stream.
.
.
.\" ====================================================================
.SH Options
.\" ====================================================================
.
.B \-\-help
displays a usage message,
while
.B \-v
and
.B \-\-version
show version information;
all exit afterward.
.
.
.TP
.BI \-d\~ destination-directory
Write font descriptions to
.I destination-directory
rather than the current working directory.
.
.
.TP
.BI \-r\~ resolution
Set the resolution for all font patterns in
.IR font-map .
.
The value is used for both the horizontal and vertical motion quanta.
.
If not specified,
a resolution of 75dpi is assumed.
.
.
.TP
.BI \-s\~ type-size
Set the type size in points for all font patterns in
.IR font-map .
.
If not specified,
a size of 10 points is assumed.
.
.
.\" ====================================================================
.SH Files
.\" ====================================================================
.
.TP
.I /usr/\:\%share/\:\%groff/\:\%1.23.0/\:\%font/\:\%FontMap\-X11
is the font mapping file used to produce the pre-generated font
description files,
supplied with
.IR groff ,
of X11 core fonts corresponding to the 13 base Type\~1 fonts for
PostScript level 1.
.
.
.\" ====================================================================
.SH Bugs
.\" ====================================================================
.
The only supported font encodings are \[lq]iso8859\-1\[rq] and
\%\[lq]adobe\-\:fontspecific\[rq].
.
.
.\" ====================================================================
.SH "See also"
.\" ====================================================================
.
.UR https://\:www\:.x\:.org/\:releases/\:X11R7.6/\:doc/\:xorg\-docs/\
\:specs/\:XLFD/xlfd\:.html
\[lq]X Logical Font Description Conventions\[rq]
.UE ,
by Jim Flowers and Stephen Gildea.
.
.
.PP
.MR X 7 ,
.MR groff 1 ,
.MR gxditview 1 ,
.MR troff 1 ,
.MR groff_font 5
.
.
.\" Restore compatibility mode (for, e.g., Solaris 10/11).
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