Re: mask: luminance or alpha


On Jul 30, 2012, at 4:57 PM, "Rik Cabanier" <cabanier@adobe.com> wrote:

> Looking at current vector artwork, 99.99% is using luminosity.
That is an interesting number, where did you get this number and which vector artwork are you referring?

Dirk

> 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 Tuesday, 31 July 2012 00:16:01 UTC