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| author | Mark Oteiza <mvoteiza@udel.edu> | 2017-09-21 22:47:24 -0400 |
|---|---|---|
| committer | Mark Oteiza <mvoteiza@udel.edu> | 2017-09-21 23:06:00 -0400 |
| commit | d24ec5854098841388dfecf2c668e7f48f348af0 (patch) | |
| tree | f8abf85b73a971d981874daa9876aa0640403ab3 /lisp/files.el | |
| parent | a81d5a3d3fcb76f6b074c2c721b80b1802135d41 (diff) | |
| download | emacs-d24ec5854098841388dfecf2c668e7f48f348af0.tar.gz emacs-d24ec5854098841388dfecf2c668e7f48f348af0.tar.bz2 emacs-d24ec5854098841388dfecf2c668e7f48f348af0.zip | |
Expose viewing conditions in CAM02-UCS metric
Also add tests from the colorspacious library. Finally, catch an
errant calculation, where degrees were not being converted to radians.
* src/lcms.c (deg2rad, default_viewing_conditions):
(parse_viewing_conditions): New functions.
(lcms-cam02-ucs): Add comments pointing to references used. Expand
the docstring and explain viewing conditions. JCh hue is given in
degrees and needs to be converted to radians.
(lcms-d65-xyz): Remove. No need to duplicate this in Lisp or make the
API needlessly impure.
* test/src/lcms-tests.el: Reword commentary.
(lcms-rgb255->xyz): New function.
(lcms-cri-cam02-ucs): Fix let-binding.
(lcms-dE-cam02-ucs-silver): New test, assimilated from colorspacious.
Diffstat (limited to 'lisp/files.el')
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