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Re: [Devel] Artifacts in aliased font rendering

From: Werner LEMBERG
Subject: Re: [Devel] Artifacts in aliased font rendering
Date: Fri, 18 Jun 2004 15:15:01 +0200 (CEST)

> Recent versions of freetype cause small but annoying artifacts in
> the rendering of aliased truetype fonts [...]
> I've rigged up a webpage to show an example of what I mean, located
> at . It displays aliased Verdana
> text. The text on the left is rendered by the XFree86 4.2.0
> "freetype" backend. The text on the right is rendered by freetype
> 2.1.8 using Xft/fontconfig. There are few differences, but note the
> artifacts on the "S" in "Start Menu" and the "D" in "Desktop
> Options". I've zoomed in on those letters below.

Hmm, I've just had a look at verdana.ttf (from a Win98 version) with
ftview (from the current CVS), and it looks exactly as you describe it
as `good' -- see attached image.  With other words, the sample code
used in ftview gives correct results.

Maybe the glyph size is not an integer value, or the positioning of
the glyphs is not optimal.  I don't know.

Keith, do you have an explanation?


PNG image

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