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LR-IMP-FORMATS: MRW gets the file-local look fitted to its preview

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Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
This commit is contained in:
Andrew Frahn
2026-10-12 06:15:53 +11:00
co-authored by Claude Opus 5.5
parent d6c29aaf25
commit 7361cb222c
3 changed files with 6 additions and 3 deletions
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crates/catalog/src/model.rs
+2 -1
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@@ -313,7 +313,7 @@ pub struct Analysis {
/// file's white balance is edited relative to its as-shot look or in Kelvin depends on the camera:
/// [`relative_wb_camera`].
pub fn relative_wb_format(format: &str) -> bool {
["ARW", "NEF", "NRW", "RW2", "RWL", "RAW", "RAF", "CR3", "CR2", "PEF", "SRW", "ORF"].iter().any(|f| format.eq_ignore_ascii_case(f))
["ARW", "NEF", "NRW", "RW2", "RWL", "RAW", "RAF", "CR3", "CR2", "PEF", "SRW", "ORF", "MRW"].iter().any(|f| format.eq_ignore_ascii_case(f))
}
/// Whether a raw of `format` shot on `camera` (Exif make and model, as [`Meta::camera`] keeps them) is developed
@@ -564,6 +564,7 @@ mod edited_tests {
("a.cr2", "CR2", true),
("a.pef", "pef", true),
("a.orf", "ORF", true),
("a.mrw", "MRW", true),
("a.dng", "DNG", false),
] {
let mut p = Photo::new(PhotoId(1), Source::Demo { scene: 0 }, name, format, 10, 10, "2026-10-01T00:00:00");
crates/engine/src/camera_preview.rs
+2
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@@ -58,6 +58,7 @@ pub(crate) fn file_local_look(format: RawFormat) -> bool {
| RawFormat::Pef
| RawFormat::Srw
| RawFormat::Orf
| RawFormat::Mrw
)
}
@@ -1885,6 +1886,7 @@ mod tests {
RawFormat::Pef,
RawFormat::Srw,
RawFormat::Orf,
RawFormat::Mrw,
];
assert!(local.into_iter().all(file_local_look));
// DNG carries its own colour model
docs/camera-preview-colour.md
+2 -2
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@@ -1,6 +1,6 @@
# Sony ARW, Nikon NEF, Panasonic RW2, Fujifilm RAF, Canon CR3/CR2, Pentax PEF, Samsung SRW and Olympus ORF starting look
# Sony ARW, Nikon NEF, Panasonic RW2, Fujifilm RAF, Canon CR3/CR2, Pentax PEF, Samsung SRW, Olympus ORF and Minolta MRW starting look
ARW, NEF, RW2, RAF, CR3, CR2, PEF, SRW and ORF decoding supply sensor data and camera white-balance multipliers, but currently no measured camera colour matrix. Treating camera RGB as linear sRGB produces a dark, muted default rendering. The loader now estimates a file-local starting look from that file's embedded camera JPEG, only when a usable camera matrix is absent. All output pixels still come from the RAW sensor data; there is no JPEG replacement or uniform saturation boost.
ARW, NEF, RW2, RAF, CR3, CR2, PEF, SRW, ORF and MRW decoding supply sensor data and camera white-balance multipliers, but currently no measured camera colour matrix. Treating camera RGB as linear sRGB produces a dark, muted default rendering. The loader now estimates a file-local starting look from that file's embedded camera JPEG, only when a usable camera matrix is absent. All output pixels still come from the RAW sensor data; there is no JPEG replacement or uniform saturation boost.
## Colour and tone are separate