> Sent: Wednesday, September 25, 2019 at 3:06 PM > From: "Israel Brewster" <[email protected]> > To: "Giuseppe D'Angelo" <[email protected]> > Cc: [email protected] > Subject: Re: [Interest] QPainter drawLine zValue? > > On Sep 25, 2019, at 10:55 AM, Giuseppe D'Angelo via Interest > <[email protected]> wrote: > > > > Il 25/09/19 19:13, Israel Brewster ha scritto: > >> Is there a way to set the Z value of the line drawn by the > >> QPainter::DrawLine() function? I have a library that uses the drawLine > >> function to create a grid, and I would like to keep the grid on the top as > >> I draw other things, if possible. Thanks. > > > > Can you draw the grid _last_? > > > > There's no Z value (or Z buffer altogether) for QPainter. A new drawX > > command draws directly to the target, honouring the composition mode for > > blending source and destination together. > > Worth looking into. The drawing is actually being done by a third-party > library (PyQtGraph), which makes it harder, but I’ve hacked it before to get > it to do what I want, so I may be able to do the same here. I’ll have to dig > into how it draws the various components. Thanks!
Use two things (Canvases?) separately then stack them on top of each other with the grid on top? _______________________________________________ Interest mailing list [email protected] https://lists.qt-project.org/listinfo/interest
