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Re: [ft] Font rendering quality


From: Werner LEMBERG
Subject: Re: [ft] Font rendering quality
Date: Fri, 19 Jul 2013 14:41:53 +0200 (CEST)

>>I disagree.  There aren't any `poor hints'.  The font is simply
>>designed to be rasterized as B/W only in this very range, and indeed
>>it renders quite fine if you do so.
> 
> I'm basing that on looking at the hinted results in VTT. In VTT ,
> whether viewing B/W or subpixel rendering, the hints "pinch" the
> stem widths to nearly no weight at all.  It may be that the behavior
> of missing pixel recovery in B/W give some acceptable results, but
> the hints appear to be attempting to render the rounded stems much
> thinner than they should be.

Well, I think the hinting is amazing, actually: The font doesn't
contain a single DELTA instruction, and the B/W rendering is very good
globally.  Of course, the cost for this is extreme distortion of the
glyph outlines (before rendering), and no chance to get decent results
with AA rendering.


    Werner



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