3dtours 81637b8502 web: a catalogue of the folders on the visitor's own disk
A RAW studio that cannot see a folder is one photo at a time. /library
now takes a folder through Chromium's directory picker, keeps the handle
in IndexedDB so the folder is there on the next visit, and walks it into
a grid: one thumbnail per frame, the frame's own date, and the recipe it
was last graded with. Nothing is uploaded and nothing is read twice —
the RAW itself is opened only when a tile is clicked, at which point the
studio develops it and the recipe comes back on top. The studio files
every change back against the frame, debounced, so reopening a RAW is
not doing the grade again.

Thumbnails come off LibRaw's unpack_thumb for a RAW, which is a seek and
a copy where a develop is a full decode of every pixel, and off
createImageBitmap for anything else. A RAW with no preview inside it
gets a placeholder tile rather than a minute of decoding per file.

  node scripts/library-check.mjs
  ok  both frames indexed as tiles — 2 tiles from P1010256.JPG + P1010256.RW2
  ok  thumbnail for P1010256.JPG — 40400 bytes, jpeg=true
  ok  thumbnail for P1010256.RW2 — 39895 bytes, jpeg=true      (LibRaw preview)
  ok  studio developed the frame from its handle
  ok  the address was handed back — url=/app (no ?lib= left behind)
  ok  the look was filed back against the frame — baseFilter=none, 19 knobs
  ok  the tile says the frame is edited
2026-09-28 17:46:12 +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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