[HarfBuzz] unsafe to break

[Behdad Esfahbod]

Right.  What Khaled said.

On Sat, Nov 11, 2017 at 12:25 PM, Khaled Hosny <khaledhosny at eglug.org>
wrote:

> On Sat, Nov 11, 2017 at 08:39:09AM +0700, Martin Hosken wrote:
> > Dear Behdad,
> >
> > Please could you explain the purpose and function of
> > HB_GLYPH_FLAG_UNSAFE_TO_BREAK. Is this about line breaking? grapheme
> > clustering?
>
> It is about shaping after line breaking. IIUC, unsafe to break means you
> must
> reshape if you break here (up to the next/previous safe to break point),
> but actual break points have to be identified by the client as usual.
>
> IMHO, that is an optimization for the clients that want to do the right
> thing after breaking but don’t want to re-shape text needlessly.
>
> Regards,
> Khaled
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-- 
behdad
http://behdad.org/
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