The decoding half of camera-profiles.md §11-§12. RawImage gains
baseline_exposure: the file's BaselineExposure plus the chosen
profile's BaselineExposureOffset, as the DNG SDK sums them (+0.25 for
the library's 6D DNGs). A profile copied out of a DNG carries that
DNG's baseline as its offset, so the body's CR2s, which have none,
land at the same total.
ProfileTables gains the profile's ProfileToneCurve, resampled at
decode onto 1025 points with a natural cubic spline; an identity curve
counts as none. dr-types now holds Camera Raw's ACR3 default curve,
RawTherapee's adobe_camera_raw_default_curve copied value for value,
for every raw whose profile has no curve. Nothing renders through
either yet.
dtourolle
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