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Re: [css3-background] possibly too late for last call, but: background-opacity?

From: Tab Atkins Jr. <jackalmage@gmail.com>
Date: Sun, 2 May 2010 08:32:35 -0700
Message-ID: <j2ldd0fbad1005020832n5f5e0204q739f446163a40ca@mail.gmail.com>
To: Brad Kemper <brad.kemper@gmail.com>
Cc: Glen <glen.84@gmail.com>, www-style@w3.org
To expand on what Brad is saying, we're expecting something like an
opacity() function or similar that can opacify any image used in any
property.

~TJ

On Sun, May 2, 2010 at 7:51 AM, Brad Kemper <brad.kemper@gmail.com> wrote:
> That is something separate we are hoping for as part of an SVG filters for other (non-SVG) elements in CSS property. It's been a bit slow to come to fruition.
>
>
> On May 2, 2010, at 4:05 AM, Glen wrote:
>
>> I would also like this to be included ... I guess it's too late. :-(
>>
>> There are quite a few people who have asked about this ("background opacity" on Google).
>>
>> I can imagine fading a button's background (gradient or gradient image) from "less than opaque" to fully opaque on hover.
>>
>> The same for border-opacity.
>>
>> If it's impossible to include these features in CSS 3, might they be included in "3.1"?
>>
>> Glen.
>>> Patrick H. Lauke wrote:
>>> >  First time dipping my toe in this list, and appreciate that it's
>>> >  probably far too late for last call, but...
>>> >
>>> >  One feature I would have really loved to see is the ability to specify
>>> >  opacity for background images. I know this is technically possible by
>>> >  using formats such as PNG-24 with encoded alpha information, but I could
>>> >  envisage an actual CSS property to allow for further flexibility
>>> >  (particularly when layering multiple backgrounds, or when wanting to
>>> >  change background opacity depending on user interaction or similar).
>>> >
>>> >  If it's already too late to suggest anything new like this, could this
>>> >  be taken into consideration for a follow-up point release perhaps?
>>>
>>> The CSS Working Group has resolved not to add 'background-opacity'
>>> to the CSS3 Backgrounds and Borders module. We are considering this
>>> functionality for the future (e.g. see discussion about filters from
>>> <http://lists.w3.org/Archives/Public/www-style/2009Nov/0252.html>)
>>> but it likely will not be expressed as a 'background-opacity' property.
>>>
>>> Please let me know if this is acceptable. :)
>>>
>>> ~fantasai
>>>
>>
>
>
Received on Sunday, 2 May 2010 15:33:28 GMT

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