Re: [Tuxpaint-devel] Stamps rotation

[Pere P. i C. <per...@gm...>]

El ds. 03 de 09 de 2022 a les 01:51 +0200, en/na Pere Pujal i Carabantes va escriure:
> Hi Bill, thanks for the comments,
> 
> El dv. 02 de 09 de 2022 a les 01:53 -0700, en/na Bill Kendrick va escriure:
> > Wow, this was a pleasant surprise!  I checked it out
> > briefly; my main issue has to do with speed, but
> > I'm not sure the best way to deal with it.
> > 
> > (In other words, the response of the XOR outline
> > preview can 'lag' a bit with very large stamps.)
> 
> Indeed, I've tried caching the 360 degrees XORs and things 
> speed up a lot after the cache has been created, but the first
> moments before the cache is created XOR still lags.
> We could also restrict the rotation steps to 5 or 10 degrees each, 
> so things go smoother, and combine restrictions with cache.
> 
> At the moment I don't have any code ready to show.
> 
> Another idea is to discard XORs/events so there is no need to draw 
> XORs for old positions when the mouse has moved meters.

I've finally implemented this approach, toke me some time but seems to work fine, 
and speeds up a lot the rendering of BIG scaled stamps.

Please test

Thanks
Pere