Files
sergio 4796f2652d feat(lapaloma-stream): osciloscopio CRT con RingBuffer en sweep mode
- lapaloma-stream: feature `gpui` (default). LapalomaStreamElement
  pinta un RingBuffer en modo sweep — dos polilíneas split-at-head
  (segmento [head..cap) viejo + [0..head) nuevo) para evitar la
  línea horizontal del wraparound. Pre-fill (count < cap) sólo
  pinta [0, head) para evitar el flat-line del 1.0.2 fix.
- y_range configurable, background opcional, padding.
- crates/apps/lapaloma-stream-demo: osciloscopio sintético con
  RingBuffer cap=512. Timer en cx.background_executor que hace
  push(synthesize(t)) + cx.notify() cada 16ms (60 Hz). Señal =
  suma de dos sinusoides desfasadas + jitter determinístico.
  Header muestra cap / head / filled% / t / revision en vivo.
- Workspace: registrada la app lapaloma-stream-demo.

Showcase del P2 zero-alloc: push(v) son 2 writes + 2 increments,
zero allocations per frame, ningún Vec se reasigna.

46 tests verdes (sin cambios; el stream se valida en runtime via demo).

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
2026-05-13 02:58:25 +00:00

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[package]
name = "lapaloma-stream-demo"
version = { workspace = true }
edition = { workspace = true }
license = { workspace = true }
authors = { workspace = true }
publish = { workspace = true }
description = "Lapaloma — demo de streaming: RingBuffer + timer 60 Hz + sweep render. Showcase del zero-alloc en hot path."
[dependencies]
gpui = { workspace = true }
yahweh-launcher = { path = "../../modules/ui_engine/libs/launcher" }
yahweh-theme = { path = "../../modules/ui_engine/libs/theme" }
lapaloma-core = { path = "../../modules/ui_engine/libs/lapaloma-core" }
lapaloma-render = { path = "../../modules/ui_engine/widgets/lapaloma-render", features = ["gpui"] }
lapaloma-stream = { path = "../../modules/ui_engine/widgets/lapaloma-stream" }