On Fri, 12 Oct 2012 17:02:17 +0200, Samuel Rødal wrote: > I'm not sure > how valid that use case is these days though.
The use case I have in mind are oscilloscope alike widgets - for Qwt it is a very common one. For a widget being updated several times a second it is completely unimportant if something is "less" precise, instead it has to display curves without flickering/stuttering. Qt/Embedded is the platform where you find this type of widget most what usually means a combination of the weakest hardware and the slowest graphic path. Unfortunately the implementation of the subsurfaces concept is so very broken, that embedding OpenGL is no option. Hope that using QPainter in combination with the scene graph opens a way to a faster implementation with Qt 5. Uwe _______________________________________________ Development mailing list Development@qt-project.org http://lists.qt-project.org/mailman/listinfo/development