[whatwg] CSS canvas() function

[Tab Atkins Jr.]

On Thu, Dec 2, 2010 at 2:28 AM, Simon Pieters <simonp at opera.com> wrote:
> On Thu, 02 Dec 2010 06:34:05 +0100, Simon Fraser <smfr at me.com> wrote:
>> On Dec 1, 2010, at 5:37 PM, Robert O'Callahan wrote:
>>> On Thu, Dec 2, 2010 at 2:25 PM, Tab Atkins Jr. <jackalmage at gmail.com>
>>> wrote:
>>> On Wed, Dec 1, 2010 at 5:20 PM, Robert O'Callahan <robert at ocallahan.org>
>>> wrote:
>>> > In the absence of compelling use cases, I'd just leave it at <img>,
>>> > <canvas>
>>> > and <video> and whitelist in more elements later if necessary.
>>>
>>> <input type=image>?  <object>/<embed> seem to have roughly equivalent
>>> use-cases to <video> (though perhaps we just want to encourage
>>> <video>).
>>>
>>> <object> can contain fallback content which might get tricky.
>>
>> So can <video>.
>
> <video> never renders the fallback content.

<img> does, though, if the resource for whatever reason hasn't been
received and successfully decoded yet.

(I'd be fine with this being defined in CSSOM Views instead of HTML5.
I just can't define it in a normal CSS spec, since we're officially
host-language neutral *and* have no concept of elements outside the
document tree.)

~TJ