[Kde-finance-apps] Re: Charts framework

[Guillaume DE BURE]

Le samedi 21 mai 2011 20:14:55, Stéphane MANKOWSKI a écrit :
> Hi,
> 
> In Skrooge, we are using our own component.
> This is a class named skgtablewithgraph in the library libskgbasegui.so.
> This class is able to draw graph for a given table of data.
> 
> This class is published as a plug-in for QTDesigner, so you should be able to 
> test it easily (You just have to call seData).
> 
> Personally, I am satisfied even if I am ready to change for a more powerful 
> component.
> 
> Regards,
> Stephane

As a matter of fact, this is one of the thing that I always wanted to do in Skrooge, use an external charting library. The aim would be to draw nicer charts (Skrooge ones aren't especially sexy, even if they do the job : we are no artists :p).

Since there doesn't seem to be a satisfying solution in Qt4, i totally agree with the idea of starting a common library. Maybe you guys could have a look at Stéphane's code, and tell us if you're interested in using it ? If yes, I suggest we use it as a basis for this new library.

If not, we still have more options:
* Start something from scratch
* Use something not Qt4 based. jqplot could indeed be an option : after all, with all the things happening around QML & javascript in the KDE world, it would seem quite logical. 
* Expand on the currently not-so satisfying options: qwt ? 

Guillaume
> 
> 
> Le samedi 21 mai 2011 18:45:52, Thomas Baumgart a écrit :
> > Hi,
> > 
> > on Saturday 21 May 2011 17:52:03 Alvaro Soliverez wrote:
> > > Hello,
> > > as you may recall, in KMyMoney we use KDChart for drawing our report
> > > charts. For some time now, they've promised to do a release, but they
> > > still haven't fulfilled that promise and the source is still behind
> > > closed doors. We only get access to tarballs via FTP.
> > > 
> > > I'd very much like to use the same as KOffice and Calligra, but this
> > > situation is not ideal and I don't feel comfortable with it.
> > > 
> > > Since all our applications need charts, I think we could find an
> > > alternative that fits all of us. An alternative that is more open and
> > > accessible than the one we have now.
> > 
> > +1
> > 
> > I pulled the source from Calligra (which is still the KDChart stuff) but
> > newer than ours (except we have a fix that they don't - so what).
> > 
> > I am all for using something generic and stable among all the finance apps.
> > What are you using in Skrooge? Are you happy with it?  On the KMyMoney list
> > I pointed to http://www.jqplot.com/ which looks like a nice alternative
> > (but I have not tried it).
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