https://bugs.kde.org/show_bug.cgi?id=440169

--- Comment #8 from Michał Staruch <michal.star...@gmail.com> ---
Created attachment 141366
  --> https://bugs.kde.org/attachment.cgi?id=141366&action=edit
Comparison: shape with all WM_MOUSEMOVE points painted

I've also added shape with all the WM_MOUSEMOVE points painted and counted, for
comparison - drawn during about 1 second.

Point coordinates were gathered into int vectors when handling input messages
(in about 1000 Hz rate), then painted (and vectors cleared) to canvas on every
WM_PAINT (triggered by simple timer at about 60 Hz rate). I've pushed it here,
if anyone wants to take a look at the sources (nothing fancy, just quickly
coded illustration of the idea, based on Microsoft template):
https://github.com/MichalStaruch/WindowsMouseReader

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