[scribus-dev] CTL and Trunk: where are we at?

[Khaled Hosny]

AFAIK, all boxes related fixes in trunk are either picked in the CTL
branch, solved in a different way, or was already solved while doing the
CTL integration. The only remaining issue in this category is the
performance of linked text frames which will probably be a none-issue
when we introduce a general shaping cache (like many other users of
HarfBuzz).

Other than that, this is the list of issues we need to fix before the
code is ready to be merged:
https://github.com/HOST-Oman/scribus/milestones/Complex%20text%20layout

One particularly difficult issue in this list is breaking lines inside
ligatures: https://github.com/HOST-Oman/scribus/issues/144 To put it
simply, I don’t have a clear idea how to fix this, yet. I know how TeX
handles it (it stores both the ligated glyph and its non ligated
components in its “shaping” output) but it can’t be replicated with
HarfBuzz with a very big performance penalty (need to reshape the text
several times with and without the ligatures and check the difference)
or sacrificing layout accuracy.

Any help with the remaining issues is highly appreciated, it is only me
and Fahad working on the code now in our spare time.

Regards,
Khaled

On Mon, Apr 25, 2016 at 09:16:21AM -0500, Scribus User wrote:
> Hi everybody,
> I'm writing this email to get things straight and clear about where is CTL
> in comparison to trunk these days. FYI, I'm not speaking for the Scribus
> team here, just working to understand for my own perception. Thank you for
> your patience.
> 
> Recently a github bug was open on Host-Oman repo
> https://github.com/HOST-Oman/scribus/issues/147 (although we don't know if
> these are the only blockers for 1.5.2 yet). Host-Oman responded that most
> of these were fixed but needed testing to confirm. Also Craig recently sent
> an email with revisions that Scribus Team made in Trunk in order to fix
> some regressions from 'boxes' merge (Craig, where is that list BTW, could
> you resend?)
> 
> 1. Are all these things reconciled?
> 2. Are there any pending issues that need to be addressed? Lets list them.
> 3. In order to get more widely tested, CTL needs to be built nightly so
> that testers can confirm the Host-Oman's great progress. Can we organize a
> place and methodology for this to happen? (I've tried to spearhead this but
> encountered some technical problems:
> https://github.com/HOST-Oman/scribus/issues/118). Any volunteers, please
> make yourselves heard.
> 
> Thanks for all the work so far from everybody involved!
> 
> Cheers,
> /Kunda

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