Re: mask: luminance or alpha from Tab Atkins Jr. on 2012-07-31 (www-svg@w3.org from July 2012)

From: Tab Atkins Jr. <jackalmage@gmail.com>
Date: Tue, 31 Jul 2012 16:12:36 -0700
To: Rik Cabanier <cabanier@gmail.com>
Cc: Brian Birtles <birtles@gmail.com>, www-svg@w3.org
Message-ID: <CAAWBYDCxgGa9JNd=tSzzejaLe9UJ0dhwg4gaEKmav2yeG5i_GQ@mail.gmail.com>

On Tue, Jul 31, 2012 at 4:09 PM, Rik Cabanier <cabanier@gmail.com> wrote:
> On Tue, Jul 31, 2012 at 4:02 PM, Brian Birtles <birtles@gmail.com> wrote:
>> The way it's currently spec'ed is different. <auto> means 'luminance' for
>> <mask>s (unless they have maskType="alpha") and 'alpha' elsewhere.
>>
>> We can change that, however, if we feel the vector vs raster distinction
>> is easier for authors (and not just designers).
>
> No, we can't change mask.

Brian wasn't suggesting to change <mask>.  He was saying that we're
stuck with the <mask> element defaulting to luminance, and the <image>
type defaulting to alpha, but we can shift other vector data to either
alpha or luminance, whichever we find easier/more consistent.

~TJ

Received on Tuesday, 31 July 2012 23:13:23 UTC