Just installed GIMP 2.9.6 for testing on my WIN 10 system. Already had 2.9.5 installed, had problems with GMIC, but ignored it.

So now I did a complete clean new installation. Deleted all old files and folders. Installed 2.9.6 WIN 64bit. Installed GMIC 2.0.3 qt WIN 64 bin into the User/AppData/Roaming/GIMP/2.9/plug-ins folder.

At start, the following error message appears. (German version - I think the english term is "entry point not found")

gmic_gimp_qt.exe - Einsprungpunkt nicht gefunden
Der Prozedureinsprungpunkt "FT_Get_Var_Design_Coordinates" wurde in der DLL "(MyFolder)\GIMP2.9.6\bin\libcairo-2.dll" nicht gefunden.

I am a poor ignorant end user... I am just using the given installers. What am I missing?

Your mistake lies here

Install the plug-in in this directory.

You will have to create the GMIC Qt folder. Make sure there is NO other directory in the GMIC Qt folder.
Download the 64 bit ZIPPED version of G'MIC 2.0.3 and unzip it to the desktop. Now copy and paste the contents that contain the executable into the GMIC Qt folder.



START GIMP-2.9 and go to Edit>Preferences>Folders>Plug-ins and point GIMP to (or add) the GMIC Qt directory to the list there.
CLICK OK in the Preferences dialog window (bottom of the dialog window)
RESTART GIMP-2.9.
You should now have NO errors and GMIC Qt should be under the Filters menu.

NOTE: This is assuming you INSTALLED GIMP-2.9 and its NOT an portable version.

Looks like it is a problem with Gimp 2.9.6

Does not matter if the gmic installer or zip is used and where the folder is situated (tried various combinations) you get lots of errors.

This a Win 7 64 bit VM

You are 100% correct Rich. It works for GIMP-2.9.5 even in portables (SamJ's) but not GIMP-2.9.6.
I tried several different ways.
C:/Program Files/GIMP-2.9/lib/gimp/2.0/plug-ins/GMIC Qt
C:/Users/Rod/AppData/Roaming/GIMP/filters/GMIC QT
C:/Users/Rod/AppData/Roaming/GIMP/plug-ins/GMIC QT (had to create the plug-ins folder BTW)
I even tried just copying all the GMIC files to the filters folder, and that didn't work either. Same error.

I also just noticed the n-point deformation tool crashes GIMP-2.9.6

hrmmm... i replaced the cairo dl file with the one in SamJ's build and n-point works now.
I wonder if replacing the file will allow GMIC Qt to load now?

Yes that worked.

GMIC-2.0.3 install instructions for GIMP-2.9.6 64 bit Windows 10.
Replace the libcairo-2.dll file in this directory
C:\Program Files\GIMP 2.9\bin
with the one in the attached folder. SAVE the old libcairo-2.dll file just in case.



Create a folder named GMIC Qt in the C:\Users\YOURUSERNAME\AppData\Roaming\GIMP\2.9\filters folder.
Download the zipped version of GMIC-2.0.3 64 bit for Windows.
http://gmic.eu/files/prerelease/
Unzip the GMIC-2.0.3 folder to your desktop. It will create another folder with the files inside. COPY and PASTE ONLY the files in that folder into the new GMIC Qt folder you created above.

RESTART GIMP-2.9.6 and add the directory path to GMIC Qt to Edit /Pref/Folders/Plug-ins


RESTART GIMP-2.9.6 and the filter should load under Filters menu. After QT loads click the internet filter refresh button to add the rest of the filters to QT.

It worked after replacing the libcairo-2.dll with the one linked. The files that the GMIC extractor placed in the PlugIns folder worked fine after that.

It seems that this library was the only problem... nothing about GMIC needing an exclusive folder.


Thank you very much for your quick help, Rod!

No problem. Happy to help.

Only reason i use the zip is because i just replace the old files in the GMIC Qt directory with the new releases.
Delete old files
Replace with new files

Seems a lot of folks were having problems with the installer before.

Rod,
maybe you can notify Gimp developers about libcairo-2.dll

The only problem with that is the patch isn't correct. Replacing the Dynamic Link Library may disrupt other functions within GIMP-2.9.6. Besides that it is Sams compiled DLL file and other distributions may be different.

I suppose i could mention to the devs that G'MIC and the new release do not seem to be compatible with the new version of Cairo. But they will probably just say the new GIMP-10 release most definitely won't be compatible with G'MIC at all. That is unless Qt is able to work with it. And this is a pre beta release. You shouldn't use it for production. Testing purposes only.

If you want you can bug them about it. Maybe if you buy them a cup of coffee?

Probably just needs compiling against the latest Gimp libs.

I suspect a bit easier in linux than Windows.

This Gimp 2.9.7 dev and G'mic 2.0.4 compiled this morning



To be fair to David, how many versions can be reasonably maintained.

I was just about to install Gimp 2.9.6 and I think I need to find out more about the dll issues.
I already created my new start screen for it!

Hey Rich does the N-Point Tool work correctly in your new GIMP-2.9.7 compile?
Seems i am still having problems with it.

Caveat - I use a portable Gimp 2.9.x (an appimage) assembled from the 'buntu otto-meier ppa. So I do not compile it.

Some of the things I found. It is called a development version for good reasons.

In Gimp 2.9.5 (last version I have is just before the 2.9.6 release) n-point-deformation and others, would crash if more than one processor is set in preferences. That seems to be cured on 2.9.7 but maybe a good idea to keep multi-threading off.

For the n-point tool, very dependant on image size and density, only really good for small images.

A 500 x 500 pix image and a n-point density setting of 15 is ok, reasonably responsive.

1000 x 1000 pix, density 20 (default value here) is not too quick in showing the grid and slow in use.
1500 x 1500 pix, density 20 is very slow & with a density setting of 50, a bit better

2000 x 2000, density setting 50 took 1.5 mins to activate, then almost unusable. With a density of 150 still took almost a minute to activate and very slow. Get impatient with the (lack of) action, start clicking mouse here-and-there and Gimp liable to freeze.

One thing I noticed, once the density value is set, no going back and changing the value without restarting Gimp.