Re: manipulate ttf-fonts loaded with luatex

[Ulrike Fischer <news3@nililand.de>]

Am Thu, 28 Oct 2010 16:59:34 +0200 schrieb Hans Hagen:


>>>> And when I have corrected the fontdata, is there a way (besides
>>>> using a fea-file) to manipulate the fontdata so that the input "K"
>>>> outputs the glyph "c140"?
>>>
>>> I have not followed this closely, bit it seems to me that the problem
>>> is more likely caused by a fea file than that it is cured by it.
>>
>> It seems like the font is using that multiple code points for the same
>> glyph some thing of TrueType, I'm not sure, but I recall FF
>> documentation recommending against using it.
> 
> indeed there is some multiple mapping going on and as we're dealing with 
> sparse tables and loops over a hash we get a bit arbitrary matches when 
> there are multiple ...
> 
> there is also some pretty high altuni field present
> 
> if I look at the font in fontforge the chess symbols sit in latin slots 
> so it's in the font

Yes, I know that the font is a bit dubious. That's the case for
quite a lot of the free chessfonts.

The question I have: How can I correct the fontdata after I have
loaded the font? 


-- 
Ulrike Fischer 

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