> On Sep 25, 2019, at 12:26 PM, Jason H <[email protected]> wrote: > > > >> 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? Now that could work. Thanks!
--- Israel Brewster Software Engineer Alaska Volcano Observatory Geophysical Institute - UAF 2156 Koyukuk Drive Fairbanks AK 99775-7320 Work: 907-474-5172 cell: 907-328-9145 _______________________________________________ Interest mailing list [email protected] https://lists.qt-project.org/listinfo/interest
