[scribus] Opening a scribus file faster

[Luya Tshimbalanga]

On 23/12/16 07:51 PM, William Bader wrote:
>
> ________________________________
> From: Peter Linnell <plinnell at scribus.net>
> Sent: Friday, December 23, 2016 3:21 PM
> To: scribus at lists.scribus.net
> Subject: Re: [scribus] Opening a scribus file faster
>
> On Fri, 23 Dec 2016 11:09:55 -0800
> Luya Tshimbalanga <luya at fedoraproject.org> wrote:
>
>> Hello team,
>>
>> I noticed that opening files on latest svn version of Scribus sometime
>> take longer than usual. Is there a way to address that issue? Not sure
>> if I should file a bug report.
>>
>> The test was done on
>>
>> Hardware:
>> AMD A10-7400P Radeon R6 10 Compute Cores 4C+6G @ 2.50GHz (4 Cores),
>> Motherboard: ASUS X550ZE v1.0,
>> Chipset: AMD Family 15h,
>> Memory: 15360MB,
>> Disk: 1000GB Seagate ST1000LM024 HN-M + 31GB,
>> Graphics: ASUS AMD Radeon R6 1024MB,
>>
>> Software:
>> OS: Fedora 25, Kernel: 4.9.0-0.rc8.git2.2.fc26.x86_64 (x86_64)
>> 20161207, Desktop: GNOME Shell 3.22.2,
>> Display Server: Wayland,
>> Display Driver: modesetting 1.18.4,
>> OpenGL: 4.3 Mesa 13.0.2 Gallium 0.4,
>> Vulkan: 1.0.30,
>> Compiler: GCC 6.2.1 20160916 + Clang 3.9.0 + LLVM 3.9.0,
>> Screen Resolution: 1920x1080
> With Wayland being the default in Fedora 25, I would not be surprised
> if this is causing the issue.  As Scribus is written in Qt, support for
> Wayland is not likely to be the same at the GNOME/GTK libraries.
Fedora has Media Writer written in Qt. The cold start runs smooth on
Wayland session.
>
> I wonder if you could compare this on Fedora 25 with a KDE or other DE
> without Wayland ?
>
> Thanks,
> Peter
>
> ---
>
> I have Fedora 23, and I am curious how Wayland works in Fedora 25 because I have a lot of X11 applications and Fedora 23 is near EOL.
>
> Luya -- did the slowness happen after upgrading to Fedora 25 or after updating to specific SVN revision?
Apparent that issue happens with linked images on scribus file on all
SVN revision. Opening sla files with embedded images load quicker.
> On Fedora 23, I think that can I select X or Wayland based desktops when I log in. Does Fedora 25 also give that option to let you check quickly if the issue is Wayland or Scribus?
Yes, Fedora 25 does. I opened the sla file with linked images and the
result is the same regardless the session.
> If the issue is Scribus, can you use svn bisect to locate the revision that causes the problem? http://search.cpan.org/dist/App-SVN-Bisect/bin/svn-bisect
$ svn-bisect after 21677
21677 is greater than the working directory maximum 21676!

using before command returns nothing
>
> It looks like Qt 5.7 will have an option to access Wayland directly. http://blog.qt.io/blog/2016/06/13/new-compositor-api-qtwayland/ (New Compositor API for Qt Wayland) https://wayland.freedesktop.org/qt5.html (Qt 5 on Wayland) https://wiki.qt.io/QtWayland (What is QtWayland?)
The current build on the copr
repository(https://copr.fedorainfracloud.org/coprs/luya/scribus-unstable/)
uses Qt 5.7. Scribus cold start load slower but become quick when
reopening. Qt 5.7 applications performs quite well in Wayland session

-- 
Luya Tshimbalanga
Graphic & Web Designer
E: luya at fedoraproject.org
W: http://www.coolest-storm.net

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