Hi! I just installed RawTherapee and also noticed that the issue has been 
solved (for the canvas, still icons in toolbars use scaling but it not a 
problem).I found this issue log 
https://code.google.com/p/rawtherapee/issues/detail?id=1526#c73 mentioning that 
retina support was added.It would be interesting to find out how the issue has 
been solved.



----Messaggio originale----

Da: dymax...@spencergoh.com

Data: 10/09/2014 2.26

A: <darktable-devel@lists.sourceforge.net>

Ogg: Re: [darktable-devel] darktable on HiDPI screen (rMBP)



I haven't tried building against X11 but the other screenshots seem to match my 
experience of DT on my mbPro.
The checkerboard pattern at 100% does NOT occur for me with DT 1.4.2I've 
checked with several images , no problem.  (checked against all the display 
scaling settings, also no checkerboard).
I noticed that RawTherapee (10.7_64_4.1.51) doesn't have issue with the retina 
screen, does that use a X11 backend ?
On 4 September 2014 04:11, tiz...@libero.it <tiz...@libero.it> wrote:
> In reference to:   https://sourceforge.

net/p/darktable/mailman/message/32734685/



> By adjusting the display scaling to "Scaled --> More Space" he is simply

disguising the problem.



> It *is* still an issue; the image is not being displayed at the specified

resolution of the screen. It's just that with that

> particular scaling setting it's far less noticeable to his eyes... However a

simple comparison can be made by opening the

> same raw file in "Preview" app and you will see that the photo is

*noticably* sharper in Preview vs Darktable.



That’s correct, the “Scaled --> More Space” simply makes the problem less

noticeable. I already replied in http://sourceforge.

net/p/darktable/mailman/message/32736110/ including some screenshots.

So yes, the problem is not solved.



Also, in another reply http://sourceforge.

net/p/darktable/mailman/message/32736110/ I mentioned that at 100% image zoom a

checkerboard pattern appears. This is actually a more severe issue than the

previous which makes really darktable not usable on my machine.



The link to the screenshots might be expired so I re-uploaded the pictures

here http://we.tl/Vyxhv0enOd

It would be nice if you could confirm the same behaviour (especially

concerning picture 6).



As a comparison I build from git-master with X11 backend and tested in full

screen mode at 2880x1440 resolution: perfect picture quality can be achieved

(however, I get crashes when importing many pictures with the git version...).

It is a bit unpractical to use it this way (entering full screen mode, calling

xrandr to change resolution, and then use darktable) but this might still be a

reasonable alternative to a Lightroom license.



Best regards, Mauro







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