Re: Bigger fringe bitmaps

[Eli Zaretskii <eliz@gnu.org>]

> From: Yuri D'Elia <wavexx@thregr.org>
> Date: Wed, 16 Mar 2022 18:57:30 +0100
> 
> I recently switched to a higher-resolution screen to basque in all the
> hidpi glory.
> 
> And all is good. Pretty darn amazing for text rendering, in fact.
> 
> Except for the fringe.
> 
> Even at 16x16, these bitmaps are now indistinguishable from specks of
> dust. At least on lucid the bitmaps do not get upscaled by setting a
> larger fringe size.
> 
> I suspect upscaling with nearest-neighbor would be a possibility for the
> moment, but it's the API surrounding the fixed bitmap sizes that doesn't
> look future-proof to me.
> 
> I didn't think much of it at first, but it's while debugging with `gud'
> that I'm really struggling and realizing how useful the fringe is.
> 
> Shouldn't we allow the fringe to be a single character instead of being
> a bitmap? With it's own family on graphical displays?

It could be a separate feature, but I don't think it should be the
solution for the problem you describe (which is a known problem).  We
should be able to produce a decent display of fringe bitmaps on hidpi
terminals.