WIP:Paint on thread II
Based on the work from here:
https://lemire.me/blog/2020/06/10/reusing-a-thread-in-c-for-better-performance/
https://github.com/lemire/Code-used-on-Daniel-Lemire-s-blog/tree/master/2020/06/10
A attemp to render canvas outside main thread
Edited by Jabier Arraiza