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feat(imaging): add pure-Rust JPEG 2000 backend (#109)
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Chili Palmer
2026-08-13 05:44:30 +00:00
parent 27c860c225
commit 0bab5b4c8d
28 changed files with 2770 additions and 109 deletions
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RUSTREWRITE.md
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@@ -415,6 +415,7 @@ MSRV, features, and licenses at adoption time.
| release artifact inspection | [`goblin` 0.10.5](https://crates.io/crates/goblin/0.10.5) | Parse ELF, PE, and Mach-O imports, symbols, and linked libraries without executing an artifact or relying on platform-only inspection tools. |
| XML and URL | [`quick-xml` 0.41.0](https://crates.io/crates/quick-xml/0.41.0), [`url` 2.5.8](https://crates.io/crates/url/2.5.8), [`base64` 0.23.1](https://crates.io/crates/base64/0.23.1) | Streaming XML for LLSD/login; retain exact URL escaping behavior with fixtures. |
| CoreJ2K 2.3.3.91 | system [OpenJPEG](https://www.openjpeg.org/) 2.5.4+ through the private `libremetaverse-openjpeg` adapter | Opt-in `jpeg2000` feature; checked-in minimal bindings avoid a libclang build dependency. Bounded memory streams and header validation isolate native code. Golden tests cover channel order, alpha, 16-bit precision, dimensions, discard levels, lossless/lossy modes, and malformed input. |
| CoreJ2K pure-Rust extension | [`j2k`](https://crates.io/crates/j2k) 0.8.1 | Independent opt-in `rust-j2k` feature with no native library. The safe adapter provides J2K/JP2 encode/decode, native component preservation, bounded streams and allocations, reduced resolution, progressive quality layers, strict/permissive truncation, and OpenJPEG interoperability. |
| SkiaSharp 4.150.1 | [`skia-safe` 0.99.0](https://crates.io/crates/skia-safe/0.99.0) | Adopted behind the opt-in `skia` feature. Target-specific official binary-cache feature sets provide BMP/GIF/ICO/JPEG/PNG/WBMP/WebP decoding on macOS, Linux, and Windows; checked owned buffers keep Skia types out of the core image API. |
| Pfim 0.11.4 | [`image` 0.25.10](https://crates.io/crates/image/0.25.10), [`ddsfile` 0.6.0](https://crates.io/crates/ddsfile/0.6.0) | `image` covers TGA and common DDS decoding; `ddsfile` exposes DDS container details. Golden files decide whether both are needed. |
| OggVorbisEncoder 1.2.2 | [`vorbis_rs` 0.5.6](https://crates.io/crates/vorbis_rs/0.5.6) | BSD-3-Clause, MSRV 1.82, backed by C libraries. Feature-gate native audio encoding. |