Brandon Thomas and Claude Opus 5.5
05450c791c
M3.2-M3.6: lightcraft-raw DNG, LJ92, demosaic, highlights, DNG colour
...
- LJ92 (T.81 process 14) decoder + Annex K encoder: predictors 1-7,
1-4 components, 2-16 bit, point transform, restart intervals
- DNG: uncompressed (packed 1-16 bit, 16/24/32-bit float), LJ92 tiles/
strips, Deflate with predictors 2/3/34892-34895; CFA + LinearRaw;
linearization, BlackLevelRepeatDim/Delta, WhiteLevel, ActiveArea,
DefaultCrop; colour tags; OpcodeList1-3 parse/write/apply
- DNG writer (uncompressed / LJ92 tiles) for export and round trips
- demosaic: bilinear, PPG, AHD (Hirakawa-Parks), X-Trans directional
- highlight clip/reconstruct; DNG colour model with dual illuminant,
forward matrices, as-shot neutral -> xy, Rec.2020 transform
- embedded preview extraction; malformed-input proptests
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com >
2026-09-30 11:33:19 -04:00
Brandon Thomas and Claude Opus 5.5
44d97a4104
M3.1: lightcraft-tiff reader/writer
...
Classic + BigTIFF, both byte orders, all field types, SubIFDs and Exif/GPS/
Interop pointer IFDs, strips/tiles layout, maker-note offset-base helpers,
IFD writer; hardened against malformed input (proptests). Placeholder
manifests for lightcraft-meta and lightcraft-raw.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com >
2026-09-30 11:00:48 -04:00
