Fenster: Most Minimal Cross-Platform GUI Library

This is more like a cross platform canvas on which you can draw.

Raylib was my goto for that, but an alternative can't hurt, I guess ?

Next simple task would be to fill the complete framebuffer with a solid colour:

    memset(f->buf, rgb, f->width*f->height*sizeoof(uint32_t));

The second is that code will only work for 8-bit colors, i.e. only the 8 (technically CHAR_BIT, "a byte") least-significant bits of `rgb` will be used. This is a quirk of the `memset()` standard C function, which has the prototype:

    void *memset(void s[.n], int c, size_t n);

The memset() function fills the first n bytes of the memory area pointed to by s with the constant byte c.

[1]: https://man7.org/linux/man-pages/man3/memset.3.html

[0]: https://github.com/darccio/zas

[1]: https://github.com/zserge/zs

[2]: https://zserge.com/posts/new-site-generator2/

I don't know what that means, but just because something else doesn't use a polling loop doesn't mean it's a mistake or the wrong fit.

Something like this so simple there is likely to be a lot that gets done inside the main loop, not the least of which is drawing into the buffer which is most of the point.

A GUI library is indeed not a GUI, but a library with which one might implement a GUI.

Usually, a GUI library does have things like actual controls implemented, but then most GUI libraries tend to present themselves as something closer to complete than most minimal.

It is unusual but not unreasonable to describe the combination of cross-platform canvas + keyboard/mouse events + audio playback as the “most-minimal GUI library”.

Funny, English words often come from either German or French. Here where German and French agree, English is different.

https://en.wiktionary.org/wiki/window#Etymology (missing sources as of right now)

Alternative is bresenham then for each point iterate a span in the minor axis.

pascal not C but you should be able to translate it pretty easy.