[digiKam-users] Gimp, Kimageformats, Digikam, sun is shining...

[leoutation at gmx.fr]

On 2/19/19 6:08 PM, Gilles Caulier wrote:
> Bad news : KDE frameworks KF5 version 5.55 require Qt 5.10 at least to 
> compile.
> The Linux AppImage bundle use Qt 5.9.7 LTS. KF5 5.55 do not compile with 
> this version (i tried to hack).
> 
> So i updated at least to KF5 5.54 with is the last version compatible 
> with Qt 5.9.7 LTS.
> 
> This is another point that i hate to seen KDE not compatible with the Qt 
> long time support version. Passing to Qt 5.11 introduce regression and i 
> don't want to pass to Qt 5.12 until the LTS is declared by Qt team.
> 
> Including new Qt version in AppImage is complicated and require time. I 
> want to do it for the moment.
> 
> And i want to not talk about MAcOS support where Qt is only compatible 
> with more recent Apple SDK. So if we use Qt 5.12 in OSX package, it will 
> be only compatible with more recent version of MAcOS. The backward 
> compatibility is limited.
> 
> Funny, the only bundle which use Qt 5.12, and which is compiled with KF5 
> 5.55, is... the windows installer. Thanks MXE cross compiler team which 
> support well last Qt version.
> 
> To resume : only the Windows installer of digiKam 6.1.0 has KImageFormat 
> framework with last XCF support...
> 

Are gimp 2.10 .xcf thumbnails displayed with your w$ installer?
In my case, i compiled digikam-git with last kf5-5.55 and qt-5.12.
gimp 2.10 xcf thumbnails are not displayed.


> Gilles Caulier
> 
> Le ven. 15 févr. 2019 à 14:06, Gilles Caulier <caulier.gilles at gmail.com 
> <mailto:caulier.gilles at gmail.com>> a écrit :
> 
>     This week end, i will rebuild all bundles with KF5 5.55 and see
>     where is the problem.
> 
>     I fear, in fact that we need later to do a XCF image loader as well
>     in digiKam core, to not depend of KimageFormats, which is not well
>     maintained...
> 
>     Perhaps the idea is to extend the plugin loader in digiKam 6.1.0 to
>     permit to  write image loaders as plugins for better flexibility.
> 
>     Gilles Caulier
> 
>     Le ven. 15 févr. 2019 à 11:32, <leoutation at gmx.fr
>     <mailto:leoutation at gmx.fr>> a écrit :
> 
>         On 1/30/19 2:28 PM, Gilles Caulier wrote:
>          > Right,
>          >
>          > Depending how the implementation progress, this will be
>         available in
>          > next KF5 framework release.
>          >
>          > This want mean too, that i need to update the KF5 version to
>         use in all
>          > bundles, without to see any side effects.
>          > KF5 is huge and a small change can introduce a dysfunction
>         into a large
>          > application as digiKam, even if we still to use 15% of KF5.
>          >
>          > Remember that KF5 inter-dependencies between each components
>         still
>          > important. This is a real problem, for ex, if we want to use
>         a KTextEdit
>          > widget with spell checking
>          > feature, this explode the needs to compile. This is why
>         KTextEdit is
>          > banned for digiKam for the moment (we needs to wait a pure Qt5
>          > implementation in QTextEdit).
>         Hi
>         Some days ago, kimageformats was upgraded to last 5.55 in Arch. I
>         recompiled digikam-git. Same issue, gimp-2.10 .xcf thumbnails
>         are not
>         displayed in digikam...
> 
> 
>          >
>          > Gilles Caulier
>          >
>          > Le mer. 30 janv. 2019 à 14:20, <leoutation at gmx.fr
>         <mailto:leoutation at gmx.fr>
>          > <mailto:leoutation at gmx.fr <mailto:leoutation at gmx.fr>>> a écrit :
>          >
>          >     Hi
>          >     Good news for Digikam and Gimp users, I see a lot of work on
>          >     kimageformats to solve .xcf issue :)
>          > https://cgit.kde.org/kimageformats.git/log/?qt=grep&q=xcf
>          >
>          >     --
>          >     Maderios
>          >
> 
> 
>         -- 
>         Maderios
> 


-- 
Maderios