[Octave-bug-tracker] [bug #47974] Visual differences between gnuplot and OpenGL toolkits

[Pantxo Diribarne]

Follow-up Comment #6, bug #47974 (project octave):

As for the annotation demo #1, it doesn't hang with gnuplot 4.6, it only takes
very much time. Actually all annotation demos are affected and I think this is
due to this cset:


changeset:   21543:4f0f9f029d12
user:        Lachlan Andrew <address@hidden>
date:        Mon Feb 22 13:18:02 2016 +1100
summary:     Draw updates to GUI at end of GUI callback function (bug #47216)


Annotations make extensive use of listener .m callbacks, even at
initialization (this could be changed but will probably lead to duplicate
code), and each callback execution triggers a redraw of the whole figure.
Considering that annotation demos usually draw at the very least 3 annotation
objects, this leads to many unnecessary redraws. 

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