Craft App Libraries

This repo contains libraries used by the various Craft Apps. It's a Rust monorepo workspace, and the libraries can be included by any Craft Apps that need them.

In the future this may grow to include non-Rust library code.

If any libraries grow beyond Craft App usage, eg. RAW format support, they may be promoted out and into their own libraries for the broader ecosystem to take advantage of.

Layout

A Cargo workspace (edition 2024, resolver 3). Each library is a crate under crates/<name>, named craft-<name>, with version, edition, license and repository inherited from the workspace (license.workspace = true, and so on) and [lints] workspace = true. Register each crate in [workspace.dependencies] in the root Cargo.toml.

Apps depend on a crate by git:

craft-<name> = { git = "https://github.com/storytold/craft-libs", rev = "<commit>" }

Libraries

• craft-platform: optional native dialog lifecycle, Linux/BSD desktop appearance observation and browser download ownership; application policy stays in the apps.

• craft-ai-core: the data model and contract for AI in the Craft Apps (connections, models, tools, requests, jobs, consent, history, route spec). Pure, no I/O, wasm-safe. Contract in docs/ai-shared-layer.md.

• craft-pdf: independently optional PDF parsing, interpretation, rasterization and guarded authoring. Apps retain layout, fonts, editing and export policy; writer-only consumers do not enable the shared reader.

• craft-atomic: Crash-safe atomic file writing and replacement with same-directory staging, directory fsync, Apple F_FULLFSYNC fallback, transient lock backoff, and fault injection for the Craft suite.

• craft-cfb: clean-room Compound File Binary ([MS-CFB], OLE structured storage) reader and writer: the container of legacy Office files, Outlook messages, encrypted OOXML packages and AAF. Bounded on hostile input; what the streams hold stays with each format.

• craft-cms: pure-Rust ICC v2/v4 colour management: profile parsing and writing, transforms, rendering intents, black point compensation, soft proofing, gamut checks, 3D LUTs and built-in profiles (sRGB, Display P3, synthetic coated CMYK and others).

• craft-crw: clean-room Canon CRW (CIFF) raw decoder, from LightCraft: the heap container, the entropy coding derived by black-box analysis (frozen code tables), sensor black and white levels and as-shot white balance. The complete derivation record (plan, sources log, scripts, verification) is in crates/crw/clean-room/. Colour stays in each app.

• craft-dialogs: native file and message dialogs that never block the event loop: queued requests shown at the end of the frame and answered on a later frame, free-standing Open and Folder panels and Save sheets on macOS, case-insensitive filters. What to do with the answer stays in each app.

• craft-doc: reads PhotoCraft .pcraft, VectorCraft .vectorcraft and EffectCraft .ecproj documents without the apps: the kind and version, the previews and PDF they carry, and their pages and layers. Rendering and editing stay in each app.

• craft-docpath: decides whether a path or file: URL stored in a document may be opened. Paths stored in documents are followed only when they are local or on the document's own network share; other network paths, device paths and non-file URLs are refused.

• craft-dxf: DXF tag reader and writer, from CADCraft: ASCII and binary DXF as (group code, value) tags, split into sections and entities, with pre-2007 code pages and version detection, and written back. Bounded on hostile input. Mapping tags to a drawing stays in each app.

• craft-ecproj-format: the envelope of EffectCraft .ecproj project files: savedBy, the schema version and its check, and the file object with the project and its saved view as type parameters. The project model stays in EffectCraft.

• craft-font-catalog: the installed fonts on every platform (font folders, fontconfig and Flatpak host folders, CoreText, DirectWrite, the font store), lookup by family, style, localized, legacy, full and PostScript names, family loads shared between threads, and rescans when fonts are installed or removed.

• craft-font-manager: Craft Font Manager as a library: search and filters over the Google Fonts index, installed fonts by family, the font store interface, and (egui feature) FontsPanel, the whole interface as one panel for the launcher's Fonts tab and the standalone app.

• craft-font-store: the suite's font store: the pinned Google Fonts and Noto indexes plus indexes the user adds (never curated), exact lookup by family and style or PostScript name, and installs from each source's URLs (jsDelivr, then raw GitHub) checked by size, sha256 and parsing, with the licence, a manifest, and removal. Off until the user turns downloading on; agents can't.

• craft-fonts-build: embeds the optional craft-fonts faces from an app's build.rs (CRAFT_FONTS_DIR, CRAFT_FONTS_REQUIRED, script filters) as a table of EmbeddedFaces. No dependencies; the app picks the faces.

• craft-gcode: Grbl-style G-code writer: polylines in millimetres to G0/G1 moves with laser power and feed, for cutting lasers and plotters.

• craft-heif: optional HEIF/HEIC still-image decoder, from LightCraft: heic-rs reads the container and HEVC pictures, and this crate converts to 16-bit RGB to match libheif (VUI range and matrix, chroma upsampling, imir, ICC on grid tiles). Also orientation, alpha, EXIF/XMP and thumbnails. It never panics, and apps put it behind a non-default feature.

• craft-i18n: translations over the embedded craft-i18n catalogs: lookup with fallback (pt-br → pt → English), plurals, language names, the system locale and a pseudo locale. The catalogs stay a fully optional build input; apps keep tl! and their language setting.

• craft-tiff: TIFF and BigTIFF IFD reader and writer, from LightCraft: every field type, the IFD chain, SubIFDs and Exif/GPS/Interop pointer IFDs, maker-note IFDs (Canon, Nikon, Sony, Fujifilm, Olympus, Panasonic, Pentax), strip and tile layout. Bounded and panic-free on hostile input. Pixel decompression stays with the callers.

• craft-metafile: Windows metafiles, from DeckCraft, WordCraft and VectorCraft: a WMF, EMF and EMF+ reader into a neutral picture (paths with line styles, pattern fills, bitmaps, text, clip regions and clip paths) and, behind write, EMF and WMF writers. Bounded and panic-free on hostile input. Mapping the picture onto a document stays in each app.

• craft-jpeg: clean-room decoder for 12-bit and arithmetic-coded JPEG (T.81 SOF0/SOF1 at 12 bits, SOF9, SOF10), from PhotoCraft, and a frame probe for routing. Metadata stays in each app.

• craft-keymap: keyboard bindings: chords and their text forms, scopes, conflicts, user overrides stored through craft-settings and import of other applications' shortcut sets. Command catalogs, file readers and the shortcut editor UI stay in each app.

• craft-audio: audio file I/O and codecs (WAV, AIFF, FLAC, AAC, Opus, AC-3/E-AC-3, MP1/MP2), streaming and seeking, and packet decoding for any demuxer. See its README for formats and features.

• craft-media: bit-level I/O (bitstream), clean-room MP4/MOV (isobmff) and Matroska/WebM (matroska) demuxers and muxers, an Ogg demuxer (ogg), from FilmCraft, and an ISO BMFF box reader. Containers only; codecs are in craft-audio, and video codecs will go in a separate crate.

• craft-menu: an app's menus as a macOS menu bar: the Mac layout (app menu, Window, Help, system-key clashes), a platform backend trait, and key equivalents fed back to egui as the input egui-winit would have made. Commands and their enabled state stay in each app.

• craft-mesh: 3D mesh file formats behind one neutral model (meshes of polygons with per-corner indices, materials, a node hierarchy): STL, OBJ with MTL, PLY and glTF 2.0 / GLB, one feature each. Readers are bounded by Limits, never open a file themselves and never panic. Carved from EffectCraft, SolidCraft, TextureCraft and MaterialCraft.

• craft-mime: Internet messages and MIME, read and written: RFC 5322 header fields, MIME parts and multiparts, encoded-words, RFC 2231 parameters, base64 and quoted-printable, character sets, address lists, dates, mbox files and the multipart/related lookups of MHT web archives. What a message means (body, attachments, flags) stays in each app.

• craft-pcraft-format: the envelope of PhotoCraft's .pcraft bundle: Manifest<D> with the document as a type parameter, TileRef, the entry paths, the manifest decode limits and the migration runner. The document model stays in PhotoCraft.

• craft-print: PDF submission to CUPS and Windows, printer discovery, duplex/copies/colour and driver preferences. PDF generation stays in each app.

• craft-proof: proofing per language (spelling, suggestions, grammar, hyphenation, a Hunspell reader, user words, Language packs). The word lists and patterns are craft-i18n's language-data/, embedded at build time from CRAFT_I18N_DIR: English and the carry-over locales by default, the set CRAFT_PROOF_EMBED names otherwise (en for English only); other languages come from installed Language packs.

• craft-quit: native macOS quit, egui close handling and an optional app menu. Unsaved-document decisions and save prompts stay in each app.

• craft-settings: config.toml settings storage for every app: platform folders, portable mode and overrides, atomic saves while running, backup, damaged-file recovery and schema migrations. Policy in docs/settings-storage.md.

• craft-silhouette-studio: bounded, fail-closed reader for Silhouette Studio .studio and .studio3 documents: outlines, line colours and page size in millimetres. Protected designs are refused.

• craft-svg-paths: SVG geometry reader: shapes, transforms, <use>/<symbol> instances and the CSS cascade as Bézier paths in millimetres, each tagged by the caller; a CSS colour parser (color); and a small SVG writer (write: elements with escaping, path data, numbers). Not the shared SVG model.

• craft-text: text processing below the composer. Its hyphen module finds hyphenation points, with a bundled US English dictionary and patterns and optional hypher patterns for 47 more languages (one cargo feature each).

• craft-ui: SVG catalogs, icon buttons, tabs, pane controls, transactional docking, print settings and theme helpers for egui frontends; assets, themes, localization and command handling stay in each app. Requires Rust 1.95 or later.

• craft-vectorcraft-format: the envelope of VectorCraft's .vectorcraft file: its members, versions, embedded images and the data after the JSON, with the document as a type parameter. The document and its migrations stay in VectorCraft.

• craft-web-api: the page command API every Craft web build offers its page — one window.<app> shape (request, execute, commands, docInspect, uiInspect, screenshot) over the app's JSON control channel.

• craft-web-host: the host messages between a Craft app's web build and the page that hosts it (?host=parent or data-host="page"): one contract and one bridge for every app.

• craft-xml: bounded XML for hostile input: an owned element tree with limits on size, depth, nodes and attributes, streaming of repeated elements, namespace handling (as written, by local name, or canonical prefixes by URI), escaping and a writer. No DTDs and no entity expansion.

• Shared UI component audit: source inventory, extraction priorities and compatibility boundaries across the Craft suite.

• Theme infrastructure: eight-app comparison and the small shared widget-state styling boundary.

• Panel docking: validated panel moves, floating groups, workspace adapters and an optional egui docking surface.

License and credits

craft-libs is dual-licensed under MIT or Apache-2.0, at your option. Copyright (c) 2026 ArtCraft Team and the craft-libs contributors. Required notices are in NOTICE.

Bundled fonts, icons, images and other assets keep their own open licenses; each one is listed with its author, source and license in ATTRIBUTION.md.