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Greg Pomerantz 029780cc09 gtauri viewer: two-image swipe commit — outgoing stays until off-screen 
Fix: on release the old image vanished instantly and only the new one
slid in. Now both images live on the page strip for the whole commit:
vimg (outgoing) slides off-screen while vimg2 (incoming, the drag
preview) slides home, over a 200 ms smoothstep; only then do the
elements swap roles (vimg.src = the already-decoded preview image,
vimg2 hidden after the swap paints — no blank frame).

Details:
- navigate() returns whether it committed; at the library edges it
  refuses and the drag snaps back (previously a past-the-edge drag
  could leave the image stuck mid-strip).
- commit tweens are locked: pointer/dblclick input is ignored for the
  ~200 ms so a second gesture can't fight the animation.
- openViewer gains a keepVisible (promoted) path that skips the
  hide+thumb round-trip; vFullSeq reset per open (safety-net counter
  could previously exhaust after ~11 opens).
- removed the now-dead slideFrom slide-in mechanism (its purpose is
  subsumed by the two-image commit).

Verified on the emulator: mid-commit frame shows both images
(outgoing sliding off left, incoming from right); snap-back slides
both back; edge drag right on the first image snaps home.
2026-11-03 13:04:53 -05:00
docs/BUGS 120Hz: jank_eval referee + slot-based wake guard + MISS ledger 2026-10-30 13:29:50 -04:00
harnesses gtauri viewer: two-image swipe commit — outgoing stays until off-screen 2026-11-03 13:04:53 -05:00
scripts Port the gallery from Slint to egui (egui 0.31 / egui_glow / winit 0.30 / glow 0.16) 2026-10-31 13:50:46 -04:00
shim/out Port the gallery from Slint to egui (egui 0.31 / egui_glow / winit 0.30 / glow 0.16) 2026-10-31 13:50:46 -04:00
src Port the gallery from Slint to egui (egui 0.31 / egui_glow / winit 0.30 / glow 0.16) 2026-10-31 13:50:46 -04:00
tools chore: gitignore target/, drop stray capture log 2026-11-01 20:24:17 -05:00
.gitignore chore: gitignore target/, drop stray capture log 2026-11-01 20:24:17 -05:00
Cargo.lock Port the gallery from Slint to egui (egui 0.31 / egui_glow / winit 0.30 / glow 0.16) 2026-10-31 13:50:46 -04:00
Cargo.toml Port the gallery from Slint to egui (egui 0.31 / egui_glow / winit 0.30 / glow 0.16) 2026-10-31 13:50:46 -04:00
HANDOFF.md HANDOFF: current watch architecture (no Android mtime-diff, RESCANNING gate) 2026-11-02 12:38:17 -05:00
LICENSE Initial commit 2026-10-27 12:13:22 -04:00
README.md docs: HANDOFF §8.12 (egui port + tttest harness), README reflects the egui stack 2026-10-31 13:54:56 -04:00

README.md

gallery

A high-performance image gallery for Android (primary), Linux and macOS — Rust + egui 0.31 (egui_glow / winit 0.30 / glow 0.16). Ported from Slint 1.18 after the zero-jank campaign showed Slint-on-Mali janky at its base level while egui measured 3–7× cleaner (HANDOFF.md §8.11–8.12). The Slint tree is preserved in git history and docs/BUGS/.

Status: M0–M4 ported to egui, zero-jank tuning in progress. See HANDOFF.md — the development hand-off: architecture, thumbnail pipeline, milestones M1–M7, the Slint jank campaign, the egui port, and the sltest/egtest/tttest harnesses (A/B/C: Slint/egui/WebView).

Build

./scripts/build.sh debug     # debug x86_64 APK + install on emulator
./scripts/build.sh           # release x86_64 (emulator)
./scripts/build.sh aarch64   # release aarch64 (device)
cargo run                    # desktop (Linux needs libfontconfig1 + pkg-config)

Requires: Rust (rustup), cargo-apk2, Android SDK + NDK 27 (see HANDOFF.md §3 for exact paths/env).

License

GPL-3.0 (see LICENSE). Built on egui (MIT/Apache-2.0).