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Re: [csswg-drafts] [css-color-4] colorspace profiles, hexadecimal roundoff and round-tripping (#4685)

From: Chris Lilley via GitHub <sysbot+gh@w3.org>
Date: Fri, 13 Nov 2020 16:25:12 +0000
To: public-css-archive@w3.org
Message-ID: <issue_comment.created-726859011-1605284711-sysbot+gh@w3.org>
> use pre-quantized gamma 1.80078125 (not 1.8, and not 1.8 with a linear shadow region as used in the original Kodak ROMM paper)

Actually that one is contentious: Adobe software imposes a maximum slope near zero which provides the linear portion as a side effect. Other software does not (or puts it in a different place), so it is in fact better to provide the linear portion explicitly.

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