Calamus Font

Calamus Font (CFN, for Calamus Font Norm) is a font format associated with the Calamus desktop publishing software by invers Software.

Refer to Calamus for more information.

Identification
CFN files apparently begin with the ASCII signature "".

Specifications
A partial reverse-engineered spec can be found on Usenet:
 * https://groups.google.com/g/comp.fonts/c/Naa4Ur-u7CA/m/wiQpu6auW_QJ
 * https://groups.google.com/g/comp.fonts/c/VM9ZlMk1G2Q/m/OdQqm0yITfwJ

The format appears to contain both bitmaps and outlines based on Bézier curves.

Sample files

 * http://cd.textfiles.com/geminiatari/FILES/FONTS/CALAMUS/
 * http://cd.textfiles.com/suzybatari1/fontwork/font_l2z/ → micron, lucifr_c/, ...
 * https://telparia.com/fileFormatSamples/font/calamusFont/

Links

 * Calamus Fonts available for purchase from invers