I have been trying to create a new foreground that renders text and I 
have run into a question while looking at the SimpleStatForeground 
implementation...

Does anyone know what the scale factory in TextTXFFace is for or what 
physical parameter it represents?  I see the comment that says "The 
scale factor used to scale font metrics", but I just don't understand 
what this means or what it corresponds to physically.  How does this 
figure into the size of the text when it is rendered to geometry or to 
the screen?

-Allen


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