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Re: [ft] Prevent synthesis of Unicode charmap?

From: Werner LEMBERG
Subject: Re: [ft] Prevent synthesis of Unicode charmap?
Date: Tue, 04 Dec 2018 06:53:18 +0100 (CET)

> Is there a way to prevent FreeType from synthesizing a Unicode
> charmap, or at least clearly identifying the synthesized charmap as
> such?

Not really.

> In the Python plotting library Matplotlib (of which I am a
> developer), there is an option to use TeX for text rendering; when
> outputting to vector formats the dvi file produced by TeX is then
> parsed (more or less) into a list of (font path, glyph index) pairs,
> where the font path maps to some TeX-supported font (typically
> single-charmap, e.g. pfb) and the glyph index uses that "single"
> charmap.  So we then want to get retrieve glyphs according to that
> charmap.


> In practice, right now we just look up a charmap with either
> essentially works, but having a way to distinguish the actual
> font-provided charmap from the FreeType-synthesized one seems
> cleaner.

Up to now nobody has asked for such a feature.  Can you give a short
outline what you would like FreeType to provide?


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