DOKK / manpages / debian 10 / freetype2-demos / ftstring.1.en
FTSTRING(1) General Commands Manual FTSTRING(1)

ftstring - string viewer

ftstring [options] pt font ...

ftstring displays a text string with the given font, allowing to change various rendering and display options interactively.

The point size for the given resolution. If resolution is 72dpi, this directly gives the ppem value (pixels per EM).
The font file(s) to display. For Type 1 font files, ftstring also tries to attach the corresponding metrics file (with extension `.afm' or `.pfm').

This program is part of the FreeType demos package.

Set the window width to w pixels (default: 640px).
Set the window height to h pixels (default: 480px).
Use resolution r dpi (default: 72dpi).
Specify encoding tag (default: no encoding). Common values: unic (Unicode), symb (symbol), ADOB (Adobe standard), ADBC (Adobe custom).
Use text for rendering.
Show version.
May 2018 Freetype 2.9.1