This Month in Xilem, August 2024

content/blog/2024-09-06-tmix-08/index.md

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+title = "This Month in Xilem, August 2024"
+authors = ["Daniel McNab"]
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+
+Linebender is an informal open-source organization working on various projects to advance the state of the art in GUI for [the Rust programming language](https://rust-lang.org).
+
+<figure>
+
+<img style="height: auto; margin: 0 auto" src="../../linebender.svg" alt="Linebender logo; smoothly stroked overlapping lowercase letters, an l and a b." height="200" width = "200">
+
+<figcaption>
+
+Linebender has a new logo, which was contributed by [Markus Siglreithmaier](https://github.com/msiglreith).
+We're seeking feedback on Zulip in [#linebender>logo](https://xi.zulipchat.com/#narrow/stream/419691-linebender/topic/logo).
+
+</figcaption>
+</figure>
+
+
+## Xilem
+
+Xilem is our flagship GUI project, inspired by SwiftUI.
+
+<!-- TODO: Slightly better writing here -->
+- Viewmarker [xilem#472][]
+- Variable fonts experiments ([xilem#507][])
+- Stopwatch example [xilem#]
+- Views for existing and new widgets: spinner ([xilem#497][]), portal ([xilem#561][]), progress bar ([xilem#513][])
+- Xilem Web:
+    <!-- TODO: -->
+  - One or two most impactful items.
+
+<figure>
+
+<img style="height: auto" src="..." alt="..." height=".." width = "..">
+
+<figcaption>
+
+...
+<!-- TODO: Is there a relevant image for here? Maybe the stopwatch? -->
+
+</figcaption>
+</figure>
+
+## Masonry
+
+Masonry is the widget system used by Xilem.
+This month has been dominated by Olivier's implementation of pass specification ([rfcs#7][]):
+
+<!-- TODO: Rest of the pass specification PRs -->
+- [xilem#522][]: Paint/Accessibility, with follow-up by Tom Churchman in [xilem#557][]
+
+Other work from August includes:
+
+- Tom Churchman has contributed fixes for Portal scrolling ([#xilem#563][])
+- Snapshot tests now are cross-platform and run in CI ([xilem#233][])
+- Progress Bar widget ([xilem#513][])
+- Pan/flick gestures ([xilem#562][]).
+- Progress continues on text input for Android <!-- TODO: links? - cc @xorgy -->
+- We were given a demonstration of initial [Android TalkBack](https://support.google.com/accessibility/android/answer/6283677) support in office hours.
+
+## Vello
+
+Vello is our GPU vector renderer.
+We have made some really great progress in August<!-- , TODO: and are actively planning a 0.3.0 release -->.
+
+- Blurred rounded rectangles, by Markus Siglreithmaier ([vello#665][])
+- Blend stack spilling, allowing blends more than four layers deep ([vello#661][]).
+- Fixes for some visual artifacts in [vello#651][], [vello#659] and [vello#673][].
+- Embedding existing wgpu textures ([vello#636][]).
+- Bitmap glyph (emoji) support in ([vello#641][]).
+- Work has begun on sparse strips, which is tracked in [vello#670][].
+- Frame pacing for Android is being investigated and developed in [vello#674][].
+- <!-- TODO: Thomas Smith incredible deep-dives into parallel scan, which is the core operation in Vello. -->
+
+<figure>
+
+<img style="height: auto" src="..." alt="..." height=".." width = "..">
+
+<figcaption>
+
+Rounded rectangles!
+
+</figcaption>
+</figure>
+
+## Parley
+
+Parley is a text layout library.
+
+- Primitives required for robust text editing added in [parley#106][].
+
+## Others
+
+- Bruce Mitchener has started work on Interpoli, a... <!-- TODO: Finish -->
+- We have performed a [retrospective](@/blog/2024-08-24-roadmap-may-2024-retro.md) on our last roadmap.
+- Daniel and Olivier's "office hours" appointments can still be booked by anyone for open-ended time-limited discussion of the ecosystem.
+  - [See Daniel's schedule here](https://calendar.google.com/calendar/u/0/appointments/schedules/AcZssZ32eQYJ9DtZ_wJaYNtT36YioETiloZDIdImFpBFRo5-XsqGzpikgkg47LPsiHhpiwiQ1orOwwW2).
+  - [See Olivier's schedule here](https://calendar.google.com/calendar/u/0/appointments/schedules/AcZssZ2t767ZRETD_TkRI_VxK2ZTG0VrO9OZ4l7HvTxefhtJcg85iK0ZN7zWNnAEZtH0Dn7C1GKxrmYM).
+
+<!--  -->
+<!-- TODO: Add remaining links -->
+[xilem#396]: https://github.com/linebender/xilem/pull/396
+[rfcs#7]: https://github.com/linebender/rfcs/pull/7