Formula for recalculating metrics? How does FLS do it??

logotripping's picture

How does Font Lab Studio do it?? When you click that green diamond button in Metrics and Dimension -> TrueType-specific metrics, what formula is FLS using to determine the new values? I've tried doing it to a font and then converting it to XML using TTX and trying to look for matching numbers or something.. I mean I'm going crazy trying to figure this out.


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