Re: [css-masking] Should clip-path/mask be clipped/scaled to the owning element?

> See the mask-clip property, which defaults to the border box. You can
play around with the values to see how it affects the mask painting area
(though it looks like the no-clip value isn't implemented in Chrome).

Ah, thank you, that does answer the case for mask-image.

> I don't recall why masks and clip-paths behave differently.

Well the starting question would be; is the behavior for clip-path actually
in the spec? (Perhaps even implicitly just because it isn't specified that
they must be constrained?)

On 20 December 2016 at 17:08, Alan Stearns <stearns@adobe.com> wrote:

> On 12/20/16, 12:30 PM, "Stephen Mcgruer" <smcgruer@chromium.org> wrote:
>
> > I cannot find anywhere in the spec that specifies whether
> > a clip-path/mask should be clipped or scaled to the owning
> > element or not.
>
> See the mask-clip property, which defaults to the border box. You can play
> around with the values to see how it affects the mask painting area (though
> it looks like the no-clip value isn't implemented in Chrome).
>
> > It is unclear to me why these behaviors were chosen
> > (i.e. why let one escape the bounds but not the other).
>
> I don't recall why masks and clip-paths behave differently.
>
> Thanks,
>
> Alan
>
>