Returns the width of a character in pixels.
graphics-ports
get-char-width port character font => width
port
A CAPI pane.
character
A character.
font
A font.
width
An integer.
The function get-char-width returns the width in pixels of the character in the font associated with port , or the font given.
get-char-width
CAPI User Guide and Reference Manual (Unix version) - 3 Aug 2017