Edit ISSUE-208: Define behavior for unsupported colors.





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  1. No Meeting today 12-09-13 (from Sean.Hayes@microsoft.com on 2013-09-12) (from Sean.Hayes@microsoft.com on 2013-09-12)
  2. Minutes for 05/09/13 (from nigel.megitt@bbc.co.uk on 2013-09-05) (from nigel.megitt@bbc.co.uk on 2013-09-05)
  3. Agenda for 05/09/13 (from glenn@skynav.com on 2013-09-04) (from glenn@skynav.com on 2013-09-04)
  4. RE: TTML Agenda for 29/08/13 (from mdolan@newtbt.com on 2013-08-28) (from mdolan@newtbt.com on 2013-08-28)
  5. TTML Agenda for 29/08/13 (from glenn@skynav.com on 2013-08-28) (from glenn@skynav.com on 2013-08-28)
  6. ISSUE-208 (unsupported colors): Define behavior for unsupported colors. [TTML.next] (from sysbot+tracker@w3.org on 2013-05-15) (from sysbot+tracker@w3.org on 2013-05-15)

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I see the following language in 8.3.2:

"If a presentation processor does not support a specific, valid color or alpha value, then it must interpret it as being equal to the closest supported value."

This may be adequate to close this issue.

Glenn Adams, 15 May 2013, 23:59:23

Added further note in 8.3.5:

"In this context, the phrase closest supported value means the value for which the Euclidean distance between the computed color or alpha and the supported color or alpha in the RGB color space is minimized."

I believe this address this issue. See https://dvcs.w3.org/hg/ttml/rev/24ed1e6adcdd.

Glenn Adams, 28 Aug 2013, 18:20:26

David Singer <singer@apple.com>, Nigel Megitt <nigel.megitt@bbc.co.uk>, Chairs, Thierry Michel <tmichel@w3.org>, Philippe Le Hégaret <plh@w3.org>, Atsushi Shimono <atsushi@w3.org>, Staff Contacts
Tracker: documentation, (configuration for this group), originally developed by Dean Jackson, is developed and maintained by the Systems Team <w3t-sys@w3.org>.
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