Hi Uwe! Thank you for the detailed reply.
On Fri, Mar 22, 2013 at 10:34 AM, Uwe Rathmann <uwe.rathm...@tigertal.de> wrote: > On 03/21/2013 11:49 PM, K. Frank wrote: > >> I am considering upgrading to Qt 5 (from Qt 4), but I also use qwt, and I am >> wondering whether I should expect any significant issues doing so. > > On X11 you will see performance regressions as the X11 paint engine ( = > hardware accelerated rendering ) is gone. When working with remote > desktops Qt5 is almost a no-go. I'm not using X11 at the moment, so it doesn't matter much to me, but this sounds like a significant issue. > On QWS you might also run into regressions, but on all other platforms > Qt5/Widgets is more or less the same - meaning that you won't have many > problems ( and not much to win ). > >> How does qwt (version 6, presumably) work with Qt 5? > > For Qt 5 you need Qwt 6.1. If upgrading from Qwt 6.0 to Qwt 6.1 makes > sense for you depends on your requirements. But in general it can be > said, that here are many, many new features and maybe a couple of > interesting performance related hacks. > > APIs have been changed, but differences between Qwt 6.0 and Qwt 6.1 are > by far less than between Qwt 5.2 and Qwt 6.0. That's good to know. I've already upgraded to Qwt 6.0, so I'll plan on taking the smaller step to 6.1. > Uwe Thanks for your advice. K. Frank _______________________________________________ Interest mailing list Interest@qt-project.org http://lists.qt-project.org/mailman/listinfo/interest
