.TH FTSDF 1 "May 2022" "Freetype 2.12.1" . . .SH NAME . ftsdf \- an SDF viewer . . .SH SYNOPSIS . .B ftsdf .I pt font . . .SH DESCRIPTION . .B ftsdf displays Signed Distance Fields (SDF) for glyphs of the given font, allowing to change various rendering and display options interactively. . .TP .B pt The point size. Since currently the resolution is always set to 72dpi, this directly gives the ppem value (pixels per EM), too. . .TP .B font The font file to display. . .\" eof