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Rating and flagging were reachable from the grid alone, so a photograph opened in develop could not be judged without leaving it; FR-UI-5 said "rating" without qualifying the view and was built as though it had. And FR-UI-1's expanded row has said "filmstrip" since it was written while the roll stayed on demand in both classes. Both are amended to say what they meant: judgement follows the photograph, without auto-advance outside the culling mode, and the roll is open by default where there is room for it. The larger change is a rule. Per-face signals — eye state from a classifier, head pose from the five landmarks the detector already yields — are worth having for culling, and §3.9.1 excluded detecting a blink outright. The exclusion was always of judgement, not of knowing: a blink is a fact about a frame of the same kind as a clipped highlight. FR-CULL-8a specifies the two signals; FR-CULL-13 says what any signal may do (be shown, filtered, sorted, propose a burst representative) and what none may (write a rating or flag without a user action between). R7 states the same thing as a user need. Licensing was read before either was written. OCEC's eye-state weights are MIT with a clean data chain; every open gaze model is trained on Gaze360 or its peers, whose licences restrict derived models by name, so gaze is deferred in §7 and head pose stands in for it. D13 records both so they are not re-searched. Replacing a closed-eyed face from a neighbouring frame was raised and is written down as D17 rather than built: it is the multi-source schema question §7 already defers for panorama and HDR, with its non-goals — never automatic, provenance declared — fixed now. Traceability regenerated: three new IDs, none yet tagged.
DarkRoom
A cross-platform, non-destructive RAW photo editor for Linux and Android.
Status: 0.9.0, and no longer a spike. A library opens, culls, develops and exports on both platforms, across eight tagged releases. What is not built is written down rather than merely absent — see docs/outstanding.md for the requirements that have no implementation and why, and docs/technical-debt.md for the compromises that were chosen.
Documentation
| Document | Contents |
|---|---|
| CONTRIBUTING.md | How to land a first change without reading the rest |
| requirements.md | What the software must do — 179 numbered requirements |
| architecture.md | How it is built — crates, GPU pipeline, data model, sync |
| technical-debt.md | Compromises taken deliberately, each with the condition that retires it |
| outstanding.md | What is not built, and whether that is a decision or a gap |
| code-health.md | What a contribution costs, per seam, measured |
| traceability.md | Generated: which requirement is claimed by which file |
| faces.md | Face detection and identity — the models, the licence problem, and what S14 measured |
Building
Desktop:
cargo run -p darkroom-desktop
Android (containerised toolchain, see docker/android):
./docker/android/build.sh cargo ndk -t arm64-v8a build --release
Git LFS is required for the model weights, and the toolchain pins itself. CONTRIBUTING.md has the details and the four commands CI will run against what you send.
Current state
Working. A catalog over a local folder, a Nextcloud account, or a folder a
sync client keeps in virtual-files mode — where a placeholder is treated as the
photograph rather than as a one-byte file. A virtualised library grid with a
capture-time timeline, ratings, labels, keywords, collections and a trash that
survives a crash mid-operation. Card ingest. Face detection and identity, with
the index syncing between devices. A develop pipeline of fifteen declared
operations fused into a single compute dispatch, plus the neighbourhood
operations that cannot be — clarity, texture, capture sharpening, noise
reduction, lens correction, spectral film simulation. Crop, straighten, spot
removal, gradient and subject-segmentation masks, named presets, and a
generated panel that no operation in ui/ is allowed to name. Export to JPEG,
PNG and 8- or 16-bit TIFF with resize and output sharpening.
The zero-copy display path works on desktop. The compute pass writes a texture that Slint composites directly, which is what ARCH §6.1 requires; the readback it forbids costs 96% of frame time at 4K, and
cargo run -p dr-gpu --example bench --features readback
still reproduces that measurement. The one exception is the Android develop view, which reads the frame back through the CPU because zero-copy there needs wgpu's Vulkan swapchain, and that tears a portrait window on a tablet whose panel is mounted landscape. It is debt, not a revision of the rule: the reasoning, the on-device measurements that forced it, and the three separate things any one of which would remove it are in technical-debt.md TD-1.
Not built. Plugins, compare and survey culling, focus peaking, burst grouping, AI denoise, tiled and progressive rendering, and most of the Android platform integration beyond running. The performance targets in §4.1 are unverified rather than unmet — the per-commit benchmark suite §8 requires does not exist, so nothing fails a build on a regression. docs/outstanding.md is the list, with the reasoning.
Licence
GPL-3.0-or-later.