26188 2014-06-24 20:25:53 +0000 Add support for opaque canvas 2016-10-25 14:16:52 +0000 1 1 1 Unclassified HTML WG HTML5 spec unspecified All All RESOLVED WONTFIX whatwg-resolved P1 normal --- 1 cabanier dave.null annevk arronei mike public-html-admin public-html-wg-issue-tracking public-html-bugzilla oldest_to_newest 108293 0 cabanier 2014-06-24 20:25:53 +0000 spec: http://wiki.whatwg.org/wiki/CanvasOpaque Both Firefox and Chrome implement this feature. It allows for faster drawing, AA text and potentially save memory. 121077 1 mike 2015-06-16 11:34:34 +0000 Raising priority and noting as requiring a minor "feature tweak" to an existing feature. 126231 2 arronei 2016-04-27 21:41:09 +0000 HTML5.1 Bugzilla Bug Triage: Incubation needed This bug constitutes a request for a new feature of HTML. The current guidelines [1], rather than track such requests as bugs or issues, please create a proposal outlining the desired behavior, or at least a sketch of what is wanted (much of which is probably contained in this bug), and start the discussion/proposal in the WICG [2]. As your idea gains interest and momentum, it may be brought back into HTML through the Intent to Migrate process [3]. [1] https://github.com/w3c/html#contributing-to-this-repository [2] https://www.w3.org/community/wicg/ [3] https://wicg.github.io/admin/intent-to-migrate.html 127955 3 cabanier 2016-10-25 14:16:52 +0000 This was implemented with the alpha flag of the ImageBitmapRenderingContext See https://html.spec.whatwg.org/multipage/scripting.html#dom-imagebitmaprenderingcontextsettings-alpha