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Repaint region is wrong on Retina display with Qt5 #11709
Description
With master, I am getting only the upper left-hand quadrant of a plot window painted. Bisecting points to
commit 252f4135799027f9ae887e8fd87e3af906187a22
Author: Antony Lee <anntzer.lee@gmail.com>
Date: Thu Jul 27 22:32:35 2017 -0700
Let QPaintEvent tell us what region to repaint.
This came in with #8951.
Activity
jklymak commentedon Jul 20, 2018
I use Qt5 on a couple of macs, and don't have an issue; are you doing something in particular, or is all painting broken? Maybe a Qt5 version issue?
efiring commentedon Jul 20, 2018
It appears to be consistent breakage with any mpl pyqt plot window; e.g.,
plt.plot([3,2,1]). Somewhere, the pixel doubling is not being taken into account in this changeset, with my versions of pyqt and qt:efiring commentedon Jul 20, 2018
@jklymak, note also that although the PR and commit causing the problem are old, they were merged only today, so unless you updated master and tested during the last 6 hours from now, you would not have seen the problem.
jklymak commentedon Jul 20, 2018
Whoops, OK, confirmed....