19043 2012-09-25 21:59:02 +0000 The ability to lock individual channels (i.e. prevent them from being updated by drawing functions) would allow for some interesting composition tricks, such as drawing directly to the alpha channel. 2012-09-25 22:26:49 +0000 1 1 1 Unclassified HTML WG HTML5 spec unspecified All All RESOLVED LATER http://www.whatwg.org/specs/web-apps/current-work/#compositing P3 enhancement --- 1 contributor dave.null ian mike public-html-admin public-html-wg-issue-tracking public-html-bugzilla oldest_to_newest 74497 0 contributor 2012-09-25 21:59:02 +0000 This was was cloned from bug 11399 as part of operation LATER convergence. Originally filed: 2010-11-24 17:23:00 +0000 ================================================================================ #0 contributor@whatwg.org 2010-11-24 17:23:13 +0000 -------------------------------------------------------------------------------- Specification: http://www.whatwg.org/specs/web-apps/current-work/ Section: http://www.whatwg.org/specs/web-apps/current-work/complete.html#compositing Comment: The ability to lock individual channels (i.e. prevent them from being updated by drawing functions) would allow for some interesting composition tricks, such as drawing directly to the alpha channel. Posted from: 87.114.199.5 ================================================================================ #1 Ian 'Hixie' Hickson 2011-01-10 22:08:52 +0000 -------------------------------------------------------------------------------- EDITOR'S RESPONSE: This is an Editor's Response to your comment. If you are satisfied with this response, please change the state of this bug to CLOSED. If you have additional information and would like the editor to reconsider, please reopen this bug. If you would like to escalate the issue to the full HTML Working Group, please add the TrackerRequest keyword to this bug, and suggest title and text for the tracker issue; or you may create a tracker issue yourself, if you are able to do so. For more details, see this document: http://dev.w3.org/html5/decision-policy/decision-policy.html Status: Partially Accepted Change Description: none yet Rationale: Seems reasonable, but probably best to wait until the rest of the spec is more stable before adding more canvas features. ================================================================================ #3 Ian 'Hixie' Hickson 2012-02-29 19:18:26 +0000 -------------------------------------------------------------------------------- Punting again. Mostly working on path stuff on this iteration. ================================================================================