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Greg Pomerantz ba646fb233 gtauri viewer: adopt incoming dimensions at swipe commit (aspect fix) 
Settling on a different-aspect neighbor (e.g. landscape → portrait)
stretched: vimg kept the OLD image's width/height styles while showing
the new thumbnail, so the new pixels rendered in the old box until
full-res landed and fitViewer() reset the dimensions — a visible
vertical stretch then snap-back.

At the commit swap, adopt the incoming image's dimensions from the
drag preview (nav already knows w/h/scale from its loaded thumb):
base/vScale/width/height/transform are all set consistently in the
same task as the src swap, so the first settled frame is correct.
Fallback: if the preview never loaded (keyboard nav / slow thumb),
use the plain openViewer path where the thumb round-trip sets the
dimensions before first paint.

Verified on the emulator with a 4:3 landscape + 3:4 portrait pair:
settled content box 1439x1921 (0.749 = exact 3:4) from the first
settled frame, unchanged after the full-res swap.
2026-11-03 13:15:55 -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: adopt incoming dimensions at swipe commit (aspect fix) 2026-11-03 13:15:55 -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).