102 lines
3.0 KiB
Groff
102 lines
3.0 KiB
Groff
.\" Copyright (c) 2014 The FreeBSD Foundation.
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.\"
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" $FreeBSD$
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.\"
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.Dd July 19, 2022
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.Dt VTFONTCVT 8
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.Os
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.Sh NAME
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.Nm vtfontcvt
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.Nd "convert font files for use by the video console"
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.Sh SYNOPSIS
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.Nm
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.Op Fl nv
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.Op Fl f Ar format
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.Op Fl h Ar height
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.Op Fl w Ar width
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.Fl o Ar output_file
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.Ar normal_font
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.Op Ar bold_font
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.Sh DESCRIPTION
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The
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.Nm
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utility reads source font files in either BDF or Unifont HEX format and
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outputs a file in one of the available output formats.
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.Pp
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HEX format files
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.Po Ar normal_font
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and
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.Ar bold_font Pc
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must have the file extension
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.Pa .hex .
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.Pp
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The following options are available:
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.Bl -tag -width "-o output_file"
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.It Fl f Ar format
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Specify the output format.
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Available formats are:
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.Bl -tag -width "compressed-source"
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.It Cm compressed-source
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C source with font data compressed by using LZ4 compression method.
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.It Cm font
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A binary font file
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.Pq default .
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.It Cm source
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C source.
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.El
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.Pp
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The output in C source is intended to be used to embed the font into program
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binary.
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.Pp
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The binary font file is for use by
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.Xr vt 4 .
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.It Fl h Ar height
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Set font height.
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The default is 16.
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Font height is set automatically for BDF files and for HEX files that have a
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.D1 # Height: Ar height
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comment before any font data.
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.It Fl n
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Do not apply output filtering with C source output.
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.It Fl o Ar output_file
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Specify the name for the output file.
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.It Fl v
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Display verbose statistics about the converted font.
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.It Fl w Ar width
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Set font width.
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The default is 8.
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Font width is set automatically for BDF files and for HEX files that have a
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.D1 # Width: Ar width
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comment before any font data.
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.El
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.Sh SEE ALSO
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.Xr vidcontrol 1 ,
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.Xr vt 4
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.Sh HISTORY
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The
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.Nm
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utility first appeared in
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.Fx 10.1 .
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