.TH FTDIFF 1 "August 2023" "FreeType 2.13.2"
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.SH NAME
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ftdiff \- compare font hinting modes
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.SH SYNOPSIS
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.B ftdiff
.RI [ options ]
.IR font \ .\|.\|.
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.SH DESCRIPTION
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.B ftdiff
displays text in three columns, using the font or fonts given on the command
line, and applies different FreeType hinting modes to each column.
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.TP
.B font
The font file(s) to display.
For Type\ 1 font files,
.B ftdiff
also tries to attach the corresponding metrics file (with extension `.afm'
or `.pfm').
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.PP
This program is part of the FreeType demos package.
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.SH OPTIONS
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.TP
.BI \-w \ w
Set the window width to
.I w
pixels (default: 640px).
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.TP
.BI \-h \ h
Set the window height to
.I h
pixels (default: 480px).
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.TP
.BI \-r \ r
Use resolution
.I r
dpi (default: 72dpi).
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.TP
.BI \-s \ s
Set character size to
.I s
points (default: 16pt).
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.TP
.BI \-f \ textfile
Change displayed text, using text in
.I textfile
(in UTF-8 encoding).
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.TP
.B \-v
Show version.
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