Raws with a fitted camera look (e.g. Nikon NEF) rendered HDR with the
generic tone curve instead, more than a stop darker through the midtones
than the SDR render: PQ JPEG XL / AVIF exports looked dark everywhere,
and gain map JPEGs carried negative gains, so they went dark on HDR
displays. ToneMap::camera_hdr keeps the camera curve up to 1.5 EV over
grey and lifts highlights as ToneMap::hdr does.
Co-Authored-By: Claude <[email protected]>
ROADMAP.md: take main's restructured version; JPEG XL export is now
recorded in docs/file-format-parity.md and docs/gaps.md (gap 25).
Co-Authored-By: Claude <[email protected]>
Export as JPEG XL from the dialog, CLI, MCP and control channel (format jxl): lossy with
quality or lossless, 8/16-bit, effort fast/normal, progressive, EXIF/XMP boxes; HDR edits
as 16-bit Rec. 2020 PQ. Encoder: jixel (pure Rust, BSD-3-Clause OR Apache-2.0, native
only: it spawns its own threads), wrapped in catch_unwind. Lossy files declare an enum
encoding (sRGB / P3 / Rec. 2020; Adobe RGB and ProPhoto written as Rec. 2020); lossless
files embed the ICC profile.
Decoder fix: jxl-oxide desaturated colours outside sRGB when rendering XYB images to
wider primaries; lossy wide-gamut JXL now renders to linear sRGB primaries and is
converted to Rec. 2020 here. jixel's slowest effort is left out: jxl-oxide misdecodes
its (valid) files.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
