RGBCube/serenity
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4 commits

Author SHA1 Message Date
Nico Weber
5df35d030f LibGfx/ICC: Extract sRGB_curve() function 
This returns just the tone reproduction curve of the sRGB profile.
 2023-04-11 18:23:07 +02:00
Nico Weber
14581e98ad LibGfx: Remove stray space character in a comment 2023-03-16 09:20:48 -04:00
Nico Weber
efabfd4c66 LibGfx: Fill in remaining values in built-in sRGB profile 
The values aren't 100% self-consistent, but it probably doesn't make
a difference for u8 color data. Good enough for now. See all the links
on #17714 for some more background.
 2023-03-05 18:21:43 +00:00
Nico Weber
0ba532e14e LibGfx: Add a function to create an in-memory sRGB profile 
This might be useful for converting data from arbitrary profiles to
sRGB.

For now, this only encodes the transfer function and puts in zero values
for chromaticities, whitepoint, and chromatic adaptation matrix.
This makes the profile unusable for now. But I've spent a very long time
reading things and need to check in some code, and it's some progress.

The encoded transfer function exactly matches the one in GIMP's built-in
sRGB ICC profile (but not the Compact-ICC-Profiles v4 one or the
RawTherapee v4 one -- I'll add a comment about why later.)
 2023-03-04 21:38:47 +00:00