GNOME Fonts takes about 20 seconds to display fonts

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2 participants
  • Luis Felipe
  • Christopher Baines
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Luis Felipe
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Luis Felipe wrote on 15 Jan 2021 19:54
(name . bug-guix@gnu.org)(address . bug-guix@gnu.org)
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## Steps to reproduce

The following steps assume you are using Guix System with GNOME desktop.

1. Open the command prompt (ALT+F2)
2. Run gnome-font-viewer


## Expected result

GNOME Fonts starts and displays the fonts available (system and user fonts?) with their corresponding names and thumbnails.


## Unexpected result

+ GNOME Fonts starts, but the font view is empty and there is no visual sign of content being loaded.
+ The fonts are listed after waiting for about 20 seconds.
+ The fonts have no preview thumbnails (I heard Christopher Baines was looking into this particular issue)


## System information

GNOME 3.34.2
GNOME Fonts (gnome-font-viewer) 3.30.0
GNU Guix 5b785b2
On Hard Disk Drive


---
Luis Felipe López Acevedo
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Christopher Baines wrote on 16 Jan 2021 12:18
(address . 45901@debbugs.gnu.org)
87y2gt870d.fsf@cbaines.net
Luis Felipe via Bug reports for GNU Guix <bug-guix@gnu.org> writes:

Toggle quote (19 lines)
> ## Steps to reproduce
>
> The following steps assume you are using Guix System with GNOME desktop.
>
> 1. Open the command prompt (ALT+F2)
> 2. Run gnome-font-viewer
>
>
> ## Expected result
>
> GNOME Fonts starts and displays the fonts available (system and user fonts?) with their corresponding names and thumbnails.
>
>
> ## Unexpected result
>
> + GNOME Fonts starts, but the font view is empty and there is no visual sign of content being loaded.
> + The fonts are listed after waiting for about 20 seconds.
> + The fonts have no preview thumbnails (I heard Christopher Baines was looking into this particular issue)

Hey,

I've just pushed the fix I worked on for thumbnails [1].


Could you guix pull, guix upgrade gnome-font-viewer, remove
~/.cache/thumbnails/fail/ and then re-test?

Thanks,

Chris
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Luis Felipe wrote on 16 Jan 2021 16:24
(name . Christopher Baines)(address . mail@cbaines.net)(name . 45901@debbugs.gnu.org)(address . 45901@debbugs.gnu.org)
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On Saturday, January 16, 2021 11:18 AM, Christopher Baines <mail@cbaines.net> wrote:

Toggle quote (9 lines)
> Hey,
>
> I've just pushed the fix I worked on for thumbnails [1].
>
> 1: https://git.savannah.gnu.org/cgit/guix.git/commit/?id=540893a8ccef41436a1c00ae268f74219f9ab220
>
> Could you guix pull, guix upgrade gnome-font-viewer, remove
> ~/.cache/thumbnails/fail/ and then re-test?

I just upgraded and thumbnails seem to be mostly fixed. That is, most of the thumbnails are displayed correctly. Some fonts have no thumbnail at all (Noto fonts like Noto Sans Armenian, Noto Sans Batak, Noto Sans Bengali, ...). And Source Han fonts have a placeholder icon (a blue, lowercase "a" in a white sheet).


The slowness issue seems to be a bug in GNOME Fonts (https://gitlab.gnome.org/GNOME/gnome-font-viewer/-/issues/30).


What should we do with this bug report? Close it or leave it open until it is fixed upstream (I'd prefer the latter)?
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Christopher Baines wrote on 16 Jan 2021 16:52
(name . Luis Felipe)(address . luis.felipe.la@protonmail.com)(name . 45901@debbugs.gnu.org)(address . 45901@debbugs.gnu.org)
87pn2498wb.fsf@cbaines.net
Luis Felipe <luis.felipe.la@protonmail.com> writes:

Toggle quote (17 lines)
> On Saturday, January 16, 2021 11:18 AM, Christopher Baines <mail@cbaines.net> wrote:
>
>> Hey,
>>
>> I've just pushed the fix I worked on for thumbnails [1].
>>
>> 1: https://git.savannah.gnu.org/cgit/guix.git/commit/?id=540893a8ccef41436a1c00ae268f74219f9ab220
>>
>> Could you guix pull, guix upgrade gnome-font-viewer, remove
>> ~/.cache/thumbnails/fail/ and then re-test?
>
> I just upgraded and thumbnails seem to be mostly fixed. That is, most
> of the thumbnails are displayed correctly. Some fonts have no
> thumbnail at all (Noto fonts like Noto Sans Armenian, Noto Sans Batak,
> Noto Sans Bengali, ...). And Source Han fonts have a placeholder icon
> (a blue, lowercase "a" in a white sheet).

That's good, I wonder if there are corner cases with the thumbnail
generation that still need addressing.

Toggle quote (6 lines)
> The slowness issue seems to be a bug in GNOME Fonts
> (https://gitlab.gnome.org/GNOME/gnome-font-viewer/-/issues/30).
>
> What should we do with this bug report? Close it or leave it open
> until it is fixed upstream (I'd prefer the latter)?

Sure, it's up to you.
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Luis Felipe wrote on 16 Jan 2021 17:28
(name . Christopher Baines)(address . mail@cbaines.net)(name . 45901@debbugs.gnu.org)(address . 45901@debbugs.gnu.org)
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I'll leave it open then. Thanks for the patch, Chris.
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Luis Felipe wrote on 24 Dec 2021 00:39
GNOME Fonts takes about 20 seconds to display fonts
(name . 45901-done@debbugs.gnu.org)(address . 45901-done@debbugs.gnu.org)
7bPi_dscsNzQYu1x1QmK-kn2qK4YPYepF5IF8yH5ug8fuxoNdwU8gcgx6G_Jw_cs5UHf2MxiCbQAQ5I3FgIGrAzTll1szPV57aH_0memqwA=@protonmail.com
Problem solved in the following versions:

GNOME 40.4

GNOME Fonts 40.0


~~~
guix describe
Generation 52 Dec 23 2021 11:56:54 (current)
guix 037c2b6
branch: master
commit: 037c2b6d3acdf7f5b68ecb3024ef90bce85922df
~~~

---
Luis Felipe López Acevedo
Attachment: publickey - luis.felipe.la@protonmail.com - 0x12DE1598.asc
Attachment: signature.asc
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