How do I measure character width?

[Victor Eijkhout]

I want to put some characters in a field, equally spaced horizontally 
and vertically. Meaning, my lines are "A  B  C  D" etc, and want the 
vertical distance between lines the same as the horizontal distance 
between A and B. I'm using a monospaced font.

I've found the textHeight parameter. Now how do I measure the width 
of a string such as "A  " so that I can set the text height to that?
--
Victor Eijkhout <[EMAIL PROTECTED]>
tel: 865 974 9308 (W), 865 673 6998 (H), 865 974 8296 (F)
http://www.cs.utk.edu/~eijkhout/
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