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Re: [Freebangfont-devel] Optimizing

From: Michael Steidley
Subject: Re: [Freebangfont-devel] Optimizing
Date: Thu, 14 Nov 2002 07:51:14 -0500
User-agent: Microsoft-Entourage/

> One observation regarding this. I tend to edit my fonts in Pfaedit (and as far
> as I know, there are no other truetype editors on GNU/Linux). Pfaedit stores
> glyphs as cubic splines (aka postscript) internally, but truetype needs
> quadratic splines. So, when simple and fairly well-optimized postscript
> glyphs in Pfaedit are converted to truetype, it uses some approximation of
> cubic splines by quadratic splines which invariably loses any elegance the
> original cubic outline had. In particular, the number of control points
> increases by a lot.
> Deepayan

That is correct, but it looks like the glyphs that are being used have been
through two or three generations of conversions between cubic and quadratic.

For the example glyph - 86 points originally, 44 points as postscript, 56
points when converted back to truetype, so there's still more than 30%

--Michael Steidley

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