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Bug #1932
closed
Suboptimal Qwt replotting in QML PlotItem
Start date:
05/04/2015
Due date:
% Done:
100%
Estimated time:
3:00 h
Reported in:
master
Description
QwtPlot is initialized at every replot, which takes around ⅔ of painting time.
STR:
Expected result:
Cached & saved plot.
Actual result:
Plot reinitializing on each replot.
Note the spikes on the attached screenshot in the main thread.
System information:
LeechCraft 0.6.70-3273-g1ad72c2
Built with Qt 5.4.1, running with Qt 5.4.1
Running on: Gentoo/Linux x86_64 4.0.0-pf1 #1 SMP PREEMPT Sat Apr 25 04:04:38 MSK 2015
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