xref: /freebsd/usr.bin/vtfontcvt/vtfontcvt.8 (revision ec994981447e8a974426660b5071bc405280af73)
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25.Dd July 19, 2022
26.Dt VTFONTCVT 8
27.Os
28.Sh NAME
29.Nm vtfontcvt
30.Nd "convert font files for use by the video console"
31.Sh SYNOPSIS
32.Nm
33.Op Fl nv
34.Op Fl f Ar format
35.Op Fl h Ar height
36.Op Fl w Ar width
37.Fl o Ar output_file
38.Ar normal_font
39.Op Ar bold_font
40.Sh DESCRIPTION
41The
42.Nm
43utility reads source font files in either BDF or Unifont HEX format and
44outputs a file in one of the available output formats.
45.Pp
46HEX format files
47.Po Ar normal_font
48and
49.Ar bold_font Pc
50must have the file extension
51.Pa .hex .
52.Pp
53The following options are available:
54.Bl -tag -width "-o output_file"
55.It Fl f Ar format
56Specify the output format.
57Available formats are:
58.Bl -tag -width "compressed-source"
59.It Cm compressed-source
60C source with font data compressed by using LZ4 compression method.
61.It Cm font
62A binary font file
63.Pq default .
64.It Cm source
65C source.
66.El
67.Pp
68The output in C source is intended to be used to embed the font into program
69binary.
70.Pp
71The binary font file is for use by
72.Xr vt 4 .
73.It Fl h Ar height
74Set font height.
75The default is 16.
76Font height is set automatically for BDF files and for HEX files that have a
77.D1 # Height: Ar height
78comment before any font data.
79.It Fl n
80Do not apply output filtering with C source output.
81.It Fl o Ar output_file
82Specify the name for the output file.
83.It Fl v
84Display verbose statistics about the converted font.
85.It Fl w Ar width
86Set font width.
87The default is 8.
88Font width is set automatically for BDF files and for HEX files that have a
89.D1 # Width: Ar width
90comment before any font data.
91.El
92.Sh SEE ALSO
93.Xr vidcontrol 1 ,
94.Xr vt 4
95.Sh HISTORY
96The
97.Nm
98utility first appeared in
99.Fx 10.1 .
100