XnView Software

Hello.
Maybe consider implementing Magic Kernel resizing algorithm? Some say that it is even better than Lanczos.
Details: https://johncostella.com/magic/

masterjp wrote: Tue Feb 08, 2022 6:00 pm The problem is the JPEG XL encoder itselfs, which is used by XnViewMP!

I don't think so, because the reference JXL encoder is able to deal with this image:

I use the JPEG XL export often and do not have any problems.


I've tested it one more time and simple conversion of any color image is in fact working. But if I use a gray 8-bit PNG image or if I enable the grayscale filter in the actions, then the application doesn't save anything. Here is my ...

XnView: MP 0.99.7 x64
OS: Windows 11 x64

Effect: no file is saved during batch conversion when JPEG XL format is chosen

To reproduce:
1. Select a picture in XnView browser
2. Select Tools -> Batch Convert
3. Enable the "Change color depth" action on the "Actions" tab and set it to "Greyscale"
4 ...