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Re: ACTION-3388: Investigating ArcThrough

From: Tab Atkins Jr. <jackalmage@gmail.com>
Date: Wed, 26 Sep 2012 09:28:30 -0700
Message-ID: <CAAWBYDBKb2zhog_jS9ZXGdJZFwxHkKiTnk-+hFgkegoJmhqoSQ@mail.gmail.com>
To: Robin Berjon <robin@w3.org>
Cc: Cameron McCormack <cam@mcc.id.au>, www-svg <www-svg@w3.org>
On Wed, Sep 26, 2012 at 3:28 AM, Robin Berjon <robin@w3.org> wrote:
> On 25/09/2012 19:38 , Tab Atkins Jr. wrote:
>> Ooh, fill is a very good point - it's indeterminate which side is
>> inside and which is outside.
>>
>> Okay, then, I relent.  In that degenerate case, we should say that no
>> path is drawn, and it simply moves to the end point.
>
>
> Ah, but doesn't that open the risk of there being a flicker if the point is
> animated? I guess that no path is drawn, but that animation ought to be
> careful to skip over the alignment position.

If you were filling, it would flicker anyway when you crossed the
point.  This is just a weird degenerate case with a lot of problems.
I'm not comfortable with this kind of flickering, or discontinuities
in behavior in general, but I don't see a good way to define the
behavior for this.

~TJ
Received on Wednesday, 26 September 2012 16:29:18 GMT

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