Am Dienstag, 3. Februar 2015, 11:06:08 schrieb Michael Sué: > You can set a breakpoint in Curve::Paint, go up in the stack trace and look > for yourself. It is way more than just QPixmap pixmap(width,height). I'll do that. But maybe later :-)
> But seeing your attachment I have another idea: There can be a problem with > the missing background: Antialiasing usually happens with a real > background, as it produces a mixture (smearing of the colors) between your > curve and the background. So it seems your real problem is that > antialiasing with a transparent background does not work correctly, or at > least not with a simple QPixmap pixmap(width,height). On the other hand, in > Curve::paint you already draw on the real background which gives AA > something to work with. I also checked this with pixmap.fill(Qt::white) -> same problem. So, it has something to do with the setup of the QPainter. -- Alexander _______________________________________________ Interest mailing list [email protected] http://lists.qt-project.org/mailman/listinfo/interest
