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.Dd Jun 23, 2017
.Dt VTFONTCVT 1
.Os
.Sh NAME
.Nm vtfontcvt
.Nd "convert font files for use by the video console"
.Sh SYNOPSIS
.Nm
.Op Fl n
.Op Fl f Ar font Ns | Ns Ar source Ns | Ns Ar compressed-source
.Op Fl h Ar height
.Op Fl o Ar output_file
.Op Fl v
.Op Fl w Ar width
.Ar normal_font
.Op Ar bold_font
.Sh DESCRIPTION
The
.Nm
utility reads source font files in either BDF or Unifont HEX format and
outputs a binary font file, C source, or C source with font data compressed
by using LZ4 compression method.
The output in C source is intended to be used to embed the font into program
binary.
The binary font file is for use by console system.
The BDF file must use character cell spacing.
HEX format files must have the file extension
.Pa .hex .
.Sh OPTIONS
The following options are available:
.Bl -tag -width "12345678"
.It Fl f Ar font Ns | Ns Ar source Ns | Ns Ar compressed-source
Specify the output format.
The default is binary
.Ar font
file.
.It Fl h Ar height
Set font height.
The default is 16.
Font height is set automatically for BDF files that have a
.Ql FONTBOUNDINGBOX
property defined in the font header.
Font height is set automatically for HEX files that have a
.Ql # Height: Ar height
comment before any font data.
.It Fl n
Do not apply output filtering with C source output.
.It Fl o Ar output_file
Specify the name for the output file.
.It Fl v
Display verbose statistics about the converted font.
.It Fl w Ar width
Set font width.
The default is 8.
Font width is set automatically for BDF files that have a
.Ql FONTBOUNDINGBOX
property defined in the font header.
Font width is set automatically for HEX files that have a
.Ql # Width: Ar width
comment before any font data.
.El
.Sh SEE ALSO
.Xr consadm 8