[scribus] tone marks - first follow up (Peter Nermander)

Andreas Vox avox at arcor.de
Wed May 22 14:11:35 UTC 2013

> Date: Tue, 21 May 2013 14:13:24 +0200
> From: Peter Nermander <peter at nermander.se>
> To: scribus at lists.scribus.net
> Subject: [scribus]  tone marks - first follow up
> Message-ID:
> 	<CAODejytMCiZ0uA6J-
> bT9gOu73Pq9o9YBBAr3jASvsKAPev1dqw at mail.gmail.com>
> Content-Type: text/plain; charset=ISO-8859-1
> > Rolf, are you saying that there is no way, that present-generation
> > Scribus can handle combining characters properly?
> >From what I understand: No.
> Currently Scribus places glyphs one at a time on the canvas and Scribus
> not support placing one glyph on top of another to combine them.
> I also think that is in line with unicode: Each glyph used should have
it's own
> code. How would otherwise things like sorting work?
> /Peter

Unicode defines its own collation rules which handle composed characters.

Currently Scribus does not support all features of OpenType fonts. These

* no GPOS tables other than kerning
* no GSUB tables including stylistic alternates, ligatures and combined
* no glyphs without a Unicode codepoint
* no layout tables

These restrictions are quite severe and creating a specialized font as a
will not always solve the problem. The solution is to include Harfbuzz or
OTF rendering library into Scribus, but that's not easy.


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