[Kde-extra-gear] Porting extragear apps from KPrinter to QPrinter

[John Layt]

Hi,

The decision has been made to remove KDEPrint from KDE 4.0 and to switch to 
using QPrinter.  We've run out of time to fix KDEPrint and this is the only 
way to have a working print system for 4.0.  We lose many features as a 
result, but QT 4.4 and later KDE 4.1 will see most of them restored.  We are 
planning a Dot article to explain the changes to our users.

We are working to port all apps before the 24th October tagging of the Dev 
Platform, when we need to have moved KDEPrint to extragear.  The sooner it's 
done, the sooner we know if there's any issues to fix in kdelibs.

The following extragear apps need to be ported:
    /extragear/graphics/digikam
    /extragear/graphics/kfax
    /extragear/graphics/kgrab 
    /extragear/graphics/kgraphviewer 
    /extragear/graphics/kiconedit 
    /extragear/graphics/kuickshow
    /extragear/graphics/ligature
    /extragear/security/pwmanager

It you want to port your own apps, please sign-up at 
http://techbase.kde.org/Projects/KDEPrint/KDE4#Porting, otherwise I will get 
to them in the order listed on that page.  Full instructions are on that 
page, most apps need only 5-10 lines changed.

I strongly urge you to test your printing functions after porting to confirm 
that the results are presentable, you may need to tweak your painting code to 
cater for differences in rendering.  

Qt does not have a Print Preview function, if you need it and you don't 
already use the KStandardAction for it, you will need to add the new 
KPrintPreview yourself.

Our apologies for the short notice, but we simply ran out of time and now have 
no other alternative.

Cheers!

John.
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