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RE: mask: luminance or alpha

From: Rik Cabanier <cabanier@adobe.com>
Date: Mon, 30 Jul 2012 16:55:48 -0700
To: "'Tab Atkins Jr.'" <jackalmage@gmail.com>
CC: "www-svg@w3.org" <www-svg@w3.org>
Message-ID: <83F37C1A4497B54589EAEDC750D03A9473B7E65D@nambx09.corp.adobe.com>
Looking at current vector artwork, 99.99% is using luminosity.
It's much easier to manipulate for a designer than alpha (since it's easier to visualize and since overlapping elements with alpha interact with each other)

Rik

> -----Original Message-----
> From: Tab Atkins Jr. [mailto:jackalmage@gmail.com]
> Sent: Monday, July 30, 2012 4:48 PM
> To: Rik Cabanier
> Cc: www-svg@w3.org
> Subject: Re: mask: luminance or alpha
> 
> On Mon, Jul 30, 2012 at 4:13 PM, Rik Cabanier <cabanier@adobe.com>
> wrote:
> > Last week, there was a decision to have the id-less mask have ‘alpha’
> > as the default instead of ‘luminance’
> >
> > Can someone explain the rational for doing this again?
> >
> > It changes existing default behavior, is not what people want or what
> > products like Illustrator and InkScape currently support.
> 
> The idea is that this *is* what people want.  We just can't change <mask>'s
> default behavior due to legacy compat.
> 
> ~TJ
Received on Monday, 30 July 2012 23:56:16 GMT

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