Preview not working with some Adjust filters

[Boudewijn Rempt]

On Sunday 30 October 2011 Oct, silvio grosso wrote:
> Hi everyone,
> 
> I have just dicovered a small problem with some filters related to their preview.
> 
> This bug is somewhat "similar" to this other one: 
> https://bugs.kde.org/show_bug.cgi?id=233950
> 
> It looks like it is not reported yet on the Bug list web-page:
> https://bugs.kde.org/buglist.cgi?quicksearch=krita
> 
> In short, with these filters their preview don't work: 
> - Adjust > Levels;
> - Adjust > Color Adjustments curves;
> - Adjust > Brigthness, Contrast curves.
> 
> Steps to reproduce the problem (Krita 2.4 b3 - Ubuntu 11.10):
> - Open an image (e.g. a png);
> - Filter > Adjust > Levels > change something in the values;
> - Nothing occurs in the canvas even though the preview box is ticked;
> - You are forced to hit Ok to apply your change to the image.
> 
> Should I fill a new ticket or it is already a known bug?

I think this is a new bug; it might be related to a change of mine recently that made preview work for some other filters, so I need to investigate. Please report in bko :-)

-- 
Boudewijn Rempt
http://www.valdyas.org, http://www.krita.org, http://www.boudewijnrempt.nl