[Octave-bug-tracker] [bug #50317] warning 'invalid operation' when using zoom on Qt figure

[Dmitri A. Sergatskov]

Follow-up Comment #3, bug #50317 (project octave):

For what it worth -- on i7 comp (with intel graphics) qt 
plotting is broken completely -- plot does not get updated
until I do "print junk.png" -- no zooming, axis on/off.
Unlike earlier cases now I have to do print trick after each 
plot command. I do NOT get gl_warnings at all.

fltk works.

The same with 4.2.0 and with "e2e182a8e699" snapshot.

I always suspected there was some initialization issues with qt
and apparently a recent GL system update made the issue 
more severe.

Dmitri.
-- 


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