Re: [whatwg] Canvas - Somewhat inconsistent rules in the spec for drawImage from Justin Novosad on 2013-09-20 (public-whatwg-archive@w3.org from September 2013)

From: Justin Novosad <junov@google.com>
Date: Fri, 20 Sep 2013 14:40:24 -0400
To: Simon Sarris <simon.sarris@gmail.com>
Cc: WHATWG List <whatwg@whatwg.org>
Message-ID: <CABpaAqTCJD-idcS9qYGgFxb4-7Bi7B84R-Pm1hNh-zyEUr9=sw@mail.gmail.com>

On Fri, Sep 20, 2013 at 2:16 PM, Simon Sarris <simon.sarris@gmail.com>wrote:

>
> Anywho, I recommend either considering all zero-sized sources as invalid,
> and perhaps giving a more descriptive error, or simply allowing a
> zero-sized canvas to be a valid drawImage argument so that it may run its
> natural course (draw nothing), just like Image and zero-sized source rect
> arguments.
>

If we do anything, it should be the latter (draw nothing) to avoid breaking
existing apps.

Received on Friday, 20 September 2013 18:40:50 UTC