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Re: [ft] Kerning not working


From: Werner LEMBERG
Subject: Re: [ft] Kerning not working
Date: Tue, 17 Jul 2012 03:20:13 +0200 (CEST)

>  Not all combinations returns kerning values.
> Example: AV
> 
> Is this my code fault?

Your code looks OK.  However, there are two potential problems:

  (a) It possible that the font doesn't contain kerning between `A and
      `V'.

  (b) The font contains a `kern' feature in the OpenType `GPOS' table
      which usually has a much richer set of kerning values.  Since
      you need an OpenType engine to correctly handle, FreeType's
      FT_Get_Kerning function doesn't support this.


    Werner



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