On Monday 16 October 2017 12:17:28 Loic Le Goff wrote: > Hello developpers ! > > I'am trying to draw multiple lines with a width of 1px (my pen is fully > opaque), some of them are sitting on top of each other on some segments. > The default display at scale 1 is fine/uniform. > When I zoom out, lines become less than 1px on screen and they start to > appear with opacity causing that I can see other lines below it. > My antialiasing is off. > > Is there a reason why the opacity is changing ? How to avoid that ? > > Here is the topic on the forum : > https://forum.qt.io/topic/84154/painter-drawline-overlapping-opacity-problem > s-with-100-opaque-pen/13 > > Thank you if you can help, this is a very annoying problem.
Caused by anitaliasing? -- Reinhardt _______________________________________________ Interest mailing list Interest@qt-project.org http://lists.qt-project.org/mailman/listinfo/interest