.TH FTVIEW 1 "May 2019" "FreeType 2.10.1"
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.SH NAME
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ftview \- simple glyph viewer
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.SH SYNOPSIS
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.B ftview
.RI [ options ]
.I pt font
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.SH DESCRIPTION
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.B ftview
displays all glyphs of a font, allowing changes of various rendering
and hinting parameters interactively.
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.TP
.B pt
The point size for the given resolution.
If resolution is 72dpi, this directly gives the ppem value (pixels per EM).
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.TP
.B font
The font file(s) to display.
For Type 1 font files, ftview 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 \-d \ W x H x D
Set the window width to
.I W
pixels, the height to
.I H
pixels, and the depth to
.I D
bpp (default: 640x480x24).
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.TP
.BI \-r \ r
Use resolution
.I r
dpi (default: 72dpi).
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.TP
.BI \-f \ index
Specify first index to display (default: 0).
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.TP
.BI \-e \ enc
Specify encoding tag (default: no encoding).
Common values:
.B unic
(Unicode),
.B symb
(symbol),
.B ADOB
(Adobe standard),
.B ADBC
(Adobe custom).
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.TP
.BI \-m \ text
Use
.I text
for rendering.
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.TP
.BI \-l \ mode
Set start-up rendering mode (0 <=
.I mode
<= 6).
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.TP
.BI \-L \ W1 , W2 , W3 , W4 , W5
If there are five arguments, set LCD filter weights (as specified in
function
.BR FT_Library_SetLcdFilterWeights ).
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.TP
.BI \-L \ G1 , G2 , G3 , G4 , G5 , G6
If there are six arguments, set the subpixel geometry (as specified in
function
.BR FT_Library_SetLcdGeometry )
depending on the implemented subpixel rendering method.
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.TP
.B \-p
Preload file in memory to simulate memory-mapping.
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.TP
.BI \-k \ keys
Emulate sequence of keystrokes upon start-up.
If the keystrokes contain 'q', the program operates in batch mode.
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.TP
.B \-v
Show version.
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