Usage: [ptsize] [font file]

Controls:

q/Esc        : Exit

z	     : Increase Scale by 1
x	     : Decrease Scale by 1

Up Key       : Increase Pt Size by 1
Down Key     : Decrease Pt Size by 1
Pg Up Key    : Increase Pt Size by 25
Pg Down Key  : Decrease Pt Size by 25

w	     : Increase Spread by 1
s            : Decrease Spread by 1

Left Key     : Previous Glyph
Right Key    : Next Glyph