Skip navigation.
KDE Developer's Journals
Home » blogs » boemann's blog

Reworked scale dialog in Krita

boemann's picture
Submitted by boemann on Thu, 05/08/2008 - 19:06.

scale dialog

I've worked a bit on the scale dialog for Krita. Neither the old one from the 1.x series nor the new one in current KOffice2 alpha releases were good enough. I've mailed a bit with Ellen which only confirmed that it is indeed a difficult dialog to get right.

In the end I reordered some items, so I hope it's a bit easier to figure out how to use it. I think it has become quite good, but judge for yourself. So much cool stuff coming in KOffice 2.0

» boemann's blog | login or register to post comments | 663 reads

Comment viewing options

Select your preferred way to display the comments and click "Save settings" to activate your changes.
ponto's picture

Gamma in Scaling

Submitted by ponto on Fri, 05/09/2008 - 11:37.

Now I wonder whether krita is going to use the correct gamma for scaling?

Additionally: Is it not possible to have different resolutions for width and height?

Do printers have the same resolution for both dimensions?

» login or register to post comments
boemann's picture

gamma and resolution

Submitted by boemann on Fri, 05/09/2008 - 14:11.

No gamma is not taken into consideration. If you have some specific pointers as to how this should be done I encourage you to open a bug report, with a useful description. I would appreciate that.

Inside krita we do have different resolution in x and y, but for now we only expose it as the same value.

Printers have differing resolution, but they usually hide away that fact by doing their own scaling. Anyway "Print size" is probably a bit of a misnomer. We'll rename it to "Document size" since it's also the size that an image will have when inserted into say KWord

Hope this clarifies it

» login or register to post comments
ponto's picture

gamma and resolution

Submitted by ponto on Fri, 05/09/2008 - 15:07.

I guess, you already know it. But this explains it quite well:

http://www.4p8.com/eric.brasseur/gamma.html

As scaling is always bad as far as I know, it would be interessting to know how to prepare data for the printer such that it has to do as little scaling as possible.

For the enduser there is only one question:

I have a picture with 2154x2154 pixels. How can I get it as a 5cm x 5cm picture on my paper in the best possible quality?

In my opinion there should be only one scaling during the whole process. And who does the better job? An image processing application or the printer?

» login or register to post comments

Comment viewing options

Select your preferred way to display the comments and click "Save settings" to activate your changes.