vizia VS rustybuzz

All of these projects have in common that they use Taffy (the project that I work on!) for box-level layout (which currently gives them block, flexbox, and grid layout) , and are either using or planning to use cosmic-text for text/inline layout. This gives you a decent first approximation of web layout, but it's not perfect and there are major features like float, display: inline-block, position: static, box-sizing: content-box missing. Not to mention that none of these implementations currently resolve CSS selectors, so you are effectively limited to inline styles (if you're interested in something in that direction then you may be interested in https://github.com/vizia/vizia).

Vizia is basically fine-grained reactivity with an Elmish twist, though I haven't used it, so I couldn't say how well it works.

There are a number of up-and-coming Rust-based frameworks in this niche:

- https://github.com/iced-rs/iced (probably the most usable today)

- https://github.com/vizia/vizia

- https://github.com/marc2332/freya

- https://github.com/linebender/xilem (currently very incomplete but exciting because it's from a team with a strong track record)

What is also exciting to me is that the Rust GUI ecosystem is in many cases building itself up with modular libraries. So while we have umpteen competing frameworks they are to a large degree all building and collaborating on the same foundations. For example, we have:

- https://github.com/rust-windowing/winit (cross-platform window creation)

- https://github.com/gfx-rs/wgpu (abstraction on top of vulkan/metal/dx12)

- https://github.com/linebender/vello (a canvas like imperative drawing API on top of wgpu)

- https://github.com/DioxusLabs/taffy (UI layout algorithms)

- https://github.com/pop-os/cosmic-text (text rendering and editing)

- https://github.com/AccessKit/accesskit (cross-platform accessibility APIs)

In many cases there a see https://blessed.rs/crates#section-graphics-subsection-gui for a more complete list of frameworks and foundational libraries)

I don't think it's actually merged into Iced yet. It is merged into https://github.com/vizia/vizia though.

Vizia

I have recently learned about https://github.com/vizia/vizia and it looks very promising to me

Bit of a side note, but COSMIC depends on the rustybuzz text shaper which is deprecated: https://github.com/RazrFalcon/rustybuzz/issues/74. There was some work underway to bring it up to sync with the latest harfbuzz and then handing over ownership to the harfbuzz team, but this seems to have fizzled out.

I understand that this may sound harsh, but I also ported two (far bigger) codebases from C++ to Rust: rustybuzz and tiny-skia. Both of which are production -ready and not just prototypes. And mine not only do not use pointers, but also barely use unsafe in general.

You could also take a look at the history of this repository: https://github.com/RazrFalcon/rustybuzz

harfbuzz is a popular library for text rendering. You may also want to check out rustybuzz, a small subset of harfbuzz ported to Rust with pretty great documentation.

Use allsorts or rustbuzz for text shaping

Yeah Allsorts looks interesting, and rustybuzz is another option. I haven’t tried either yet, though.