3dtours c0aaa67361 Studio: fold WB and FX into LIGHT, and put every develop slider on -100..+100
WB and FX were separate tabs whose only content was the same Lightroom-style
develop column LIGHT already renders, so the rail carried three doors into one
room. LIGHT now owns the whole column: white balance, tone, presence, the
effects group (grain, dehaze, vignette) and the filters, in that order. The
`wb` and `fx` TabIds, their rail entries, their `wbLabel()` helper and the now
dead `tab.wb` / `tab.fx` i18n keys are gone; `ToolRail` documents eight tabs.

Every continuous develop value that the UI exposes as a symmetric knob now
runs -100..+100 instead of -10..+10. `paramDefs` gains the `HUNDRED` key set
and the `deepen` helper, which widens a def's range and scales its accessors by
ten, so the store keeps its -10..+10 internal scale and every stored look,
DEFAULT_RECIPES entry and URL round-trip is byte-identical. Params with a
meaningful physical scale (temperature in kelvin, exposure in EV-ish units,
grain, grain size, hdf, vignette, rotate, crop) keep their own units.

Highlight recovery no longer bends hue. The old knee clamped the per-channel
gain into 0.55..1.35, which is a per-channel operation and therefore a hue
rotation: on the flat skin patch it walked hue from 24 deg to 48 deg at
HIGHLIGHT +100, and on a saturated 30:1 chroma ramp it desaturated toward black
instead of toward white. The shader now caps the pixel's distance from its
undersaturated knee point while preserving the direction of that offset, i.e.
it scales chroma and keeps hue, then clamps into gamut.

Verified:
- `npx tsc --noEmit` clean; `npm run build` clean.
- `node scripts/highlight-knee-check.mjs` (pins the new shader source and
  twin-tests 135 knob combinations) ok.
- Existing checks re-run green: `auto-tone-check`, `half-check`,
  `white-level-check`, `preview-match-check`, `library-check`,
  `scan-nav-check`, `roll-walk-check`.
- Live browser pass: rail shows exactly the seven expected tabs with no WB or
  FX; LIGHT renders 5 panels / 23 `data-key` knobs; 12 knobs report
  `min=-100 max=100`; everything else keeps its own range.
- Highlight hue measured on ten flat colour patches: HIGHLIGHT -100 gives a
  hue delta of 0.00 deg on every chromatic patch; HIGHLIGHT +100 stays within
  0.22 deg (sky) and 0.28 deg (magenta) wherever chroma survives, and the
  patches the ramp intentionally drives to white arrive fully neutral. Greys
  stay neutral (channel spread <= 2/255) at every knob setting. Skin patch
  before/after: 23.94 deg -> 0.00 deg.

ponytail: temperature (2500-10000 K), exposure (+-10 units at 0.25 EV each),
grain, grain size, hdf, vignette, rotate and crop deliberately keep their own
scales rather than the blanket -100..+100; widen them the day a user asks for
more range, not before. Hue assertions live in the flat-patch check because
real-photo measurements pick up 2-4 deg of resample drift from the snapshot
pipeline that has nothing to do with the shader.

Co-authored-by: PenguinHarness <noreply@penguin.local>
2026-09-29 17:04:08 +07:00
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RecipesCam

RecipesCam is a camera and photo-editing app built around recipes — reusable looks that carry a film simulation plus a full set of adjustments. You shoot or open a photo, dial in a look, and keep it as a recipe you can apply again, share as a .recipe file, or save to your account.

It ships twice from one repository: a React Native (Expo) app for iOS and Android, and a self-contained web build under docker/ that runs the same render pipeline in the browser.

What it does

  • Shoot with a recipe applied. Live viewfinder, GPS-tagged captures, and the recipe baked into the saved file.
  • Film simulations. Built-in looks — PROVIPES, VELVIPES, CLASSIC CHRIPES, CLASSIC NEGIPES, ASTIPES, ETERNIPES, ACRIPES, B&W HIGH CONTRAST and the LC STREETLIFE pair — each with its own grain and tone curve.
  • The full adjustment set. Exposure, contrast, highlights and shadows, saturation, colour temperature, clarity, grain, and an HSL mixer with a colour picker that samples straight off the photo.
  • Geometry. Crop to a fixed ratio or free-form, quarter turns, and a straighten ruler, plus printed frames (classic border, retro instant, wall frame portrait/landscape).
  • Finishing. Watermark and GPS stamp, EXIF carried through the export, JPEG written with a proper 300 DPI JFIF header.
  • On-device upscaling. A Real-ESRGAN pass runs locally when an export asks for more pixels than the source has — no server sees the photo.
  • Recipes. Save, favourite, export and import .recipe files; the web build keeps them in your account, the phone build also keeps them on device.

The two builds

Build Where Stack
iOS / Android repo root Expo + React Native, @shopify/react-native-skia for the render pipeline, NativeWind for styling
Web docker/ Vite + React, CanvasKit (canvaskit-wasm) for the same pipeline, Fastify + SQLite API for accounts and recipes

The render engine is shared by design: the web build compiles the app's own src/utils/* and type definitions unchanged, with @shopify/react-native-skia aliased to a CanvasKit shim (docker/frontend/src/engine/skiaShim.ts). A look looks the same on both because it is the same code.

Running the web build

cd docker
cp .env.example .env
docker compose up -d --build
# → http://localhost:8090

Photos never leave the browser: grading, framing, watermarking and JPEG encoding all run in the visitor's tab; the API only stores accounts and recipe JSON. See docker/README.md for the layout and the proxy setup.

Running the app

npm install
npx expo start          # Expo Go / dev client
npx expo run:android    # or run:ios for a native build

Repository layout

App.tsx, src/           the Expo app: screens, tool rail, viewfinder, shaders
docker/                 the web build (frontend + API + compose file)
  frontend/shared/      vendored copies of the app's types and utils
  frontend/src/engine/  CanvasKit shim, export engine, super-resolution
docs/                   privacy policy
THIRD_PARTY_NOTICES.md  licences of the bundled fonts, models and libraries

Licence

See LICENSE and THIRD_PARTY_NOTICES.md.

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