[Digikam-users] Is jpeg rotation loseless?

[Dudas Gabor]

Florian Lindner wrote:
> Hello,
> is the jpeg rotation in digikam loseless or not?
> 
> Thanks,
> 
> Florian
> _______________________________________________
> Digikam-users mailing list
> Digikam-users at kde.org
> https://mail.kde.org/mailman/listinfo/digikam-users
> 
> 

I can only quote from an email from 2 days ago:

*************
 >>> About the rotation: Is it done in a "losless" way? Or with
 >>> > > > recompression?
 >> > >
 >> > > The CameraUI is lossless. The image editor is pixel-based and thus
 >> > > lossless if you save back to JPEG. For already downloaded images, use the
 > >
 > > Sorry, thats of course not true what I wrote here. Corrected version:
 > > "The image editor is pixel-based and thus lossy if you save back to JPEG"
 > >
 > > kipiplugin and cameraUI rotation is lossless, but JPEG specific. The image
 > > editor supports lossless PNG.

And tiff of course.
***************

Regards,
Gabor