NAME¶
ftsdf - an SDF viewer
DESCRIPTION¶
ftsdf displays Signed Distance Fields (SDF) for glyphs of
    the given font, allowing to change various rendering and display options
    interactively.
  - pt
- The point size. Since currently the resolution is always set to 72dpi,
      this directly gives the ppem value (pixels per EM), too.
- font
- The font file to display.