Re: [Gimp-developer] [Gimp-user] Curious about GIMP-2.10 bugs on Windows

[Kevin Payne]

On 05/11/2018 09:06 AM, Elle Stone wrote:

> Are some/many/most of the problems being reported for GIMP-2.10 on
> Windows, only specific to Windows?
>
> Or are these bug reports by Windows users simply bugs that weren't
> detected by various people running GIMP-2.9/GIMP-2.10-rc/GIMP-2.10 on
> Linux?

I'd suggest that one of the reasons is the relative lack of availability of 
executables during the 2.9 development 
phase - self compilation not 
really being an option on Windows.

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Re: [Gimp-developer] [Gimp-user] Curious about GIMP-2.10 bugs on Windows

[Kevin Payne]

>That would explain a lot. Though people do manage to compile GIMP on
>Windows, it's apparently not easy to do.

>Partha's 2.9/2.10 builds for Windows have been available for a long time
>(https://www.partha.com/), without giving rise to nearly so many bug
>reports as the official release of 2.10. But maybe most Windows users
>don't know about Partha's builds.

The problem with Partha's builds is that he changes things to suit himself and 
therefore it's not a reliable reference for creating bug-reports against.

A case in point is https://bugzilla.gnome.org/show_bug.cgi?id=795855 which 
apparently Partha's build isn't suffering from: 
https://www.gimp-forum.net/Thread-opening-from-and-saving-to-local-folders?pid=8074#pid8074

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Re: [Gimp-developer] Rectangle selection tool - fixes and more

[Simon Budig]

Hi Samuel.

Samuel Rats (samuel.r...@gmail.com) wrote:
> I noticed a TODO in the code of the rectangle selection tool, about
> changing the internal representation of the selection zone from gdouble
> ((x1, y1), (x2, y2)) to gint (x1, y1) + width & height.
> So, that's basically what I did. Since then, I'm not able to reproduce
> either of the bugs.

Thanks for investigating this issue!

> I couldn't find information on the gimp wiki on how to send a patch for
> review, so I'm asking here: what should I do with it?
> Should I send it here, by email? Should I push a branch somewhere?
> Something else?

Basically the best method is, to attach the patch to a bug report,
either open a new bug or reuse the one you mention.

Also please feel free to pester us on IRC (#gimp on irc.gimp.org) about
this issue...  :-)

Thanks,
Simon

-- 
  si...@budig.de  http://simon.budig.de/
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[Gimp-developer] Rectangle selection tool - fixes and more

[Samuel Rats]

Hi everyone!

First of all, I wanted to thank you all for this amazing product that is
GIMP.
I'm using it for ages now, and I did not find better so far.
And I'm not just talking about features, but also about code quality.
Big thank you to everyone involved in this project.

I recently updated to to 2.10, and unfortunately, the 2 bugs bothering me
were still there. So, I decided to have a look at it.
The 2 bugs are impacting the rectangle selection tool. Also, they tend to
be reproduced way easier on Windows than Linux (I don't do Mac, sorry).

First bug is a rounding issues when using a fixed-proportion selection.
It can be reproduced by selecting a zone of an image, moving the selection,
and resizing it.
Sometimes, due to half-pixel position of the upper-left corner of the
selection, you end-up with a inconsistency between the expect proportion
and actual selection size.
1000*1000 -> 1260*1261, for instance.
I couldn't find anything about a similar issue in the bug tracker.

The second bug is a bit more annoying. Sometimes, when manually changing
the dimensions of a selection zone, GIMP become unresponsive.
Windows then kindly ask to kill it. I was only able to reproduce this issue
on Windows.
The behavior kind of match the description of this issue
https://bugzilla.gnome.org/show_bug.cgi?id=779040.
For what I understood of the way it's implemented, it can be also due to
rounding positions/size, and the notify feature of gobject.
Value changed -> do some work (because rounding) -> notify value change
(because rounding) -> repeat.

I noticed a TODO in the code of the rectangle selection tool, about
changing the internal representation of the selection zone from gdouble
((x1, y1), (x2, y2)) to gint (x1, y1) + width & height.
So, that's basically what I did. Since then, I'm not able to reproduce
either of the bugs.

I couldn't find information on the gimp wiki on how to send a patch for
review, so I'm asking here: what should I do with it?
Should I send it here, by email? Should I push a branch somewhere?
Something else?

-- 
Samuel Rats
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[Gimp-developer] MacOS-Build, maybe I could help?

[Philip Lehmann-Böhm]

Hi all,

I've read in the FAQs that the guy with the Mac is a bit busy at the moment and 
so there is hardly any time left for creating the DMG. Maybe I could help here 
and do the build? I would just need some directions what is needed to compile 
and build the package.
-- 
Philip Lehmann-Böhm
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[Gimp-developer] Algorithmus Tiefenkompensation

[fri.orths]

Liebes Gimp-Team,

im Rahmen meiner Recherchen zu einer Seminararbeit zum Thema Tiefenkompensation 
bin ich auch auf das Grafikprogramm GIMP gestoßen. In einigen Quellen wurde 
erwähnt, dass man in Gimp durchaus die Black Point Kompensation anwählen bzw. 
abwählen könne. Wie die BPC generell funktioniert ist mir bewusst. Was ich 
brauche sind Informationen zum Algorithmus, der dahinter steckt. Ist es 
vielleicht der von Adobe (Photoshop), oder der aus der ISO 18619:2015? Leider 
habe ich dazu nichts auf Euren Seiten finden können. Können Sie mir 
diesbezüglich weiterhelfen? 
Vielen Dank im Voraus für Ihre Antwort. 


Mit freundlichen Grüßen,

Friederike Orths
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