W3C home > Mailing lists > Public > www-style@w3.org > July 2013

Re: [css4-background] 9-part slicing images in background-image

From: Dean Jackson <dino@apple.com>
Date: Fri, 26 Jul 2013 04:55:20 +1000
Cc: Brad Kemper <brad.kemper@gmail.com>, "Tab Atkins Jr." <jackalmage@gmail.com>, www-style list <www-style@w3.org>
Message-id: <19955711-6757-4549-9253-935A87EA6038@apple.com>
To: liam@w3.org

On 25/07/2013, at 8:54 AM, Liam R E Quin <liam@w3.org> wrote:

> On Wed, 2013-07-24 at 11:14 +1000, Dean Jackson wrote:
>> On 24/07/2013, at 11:07 AM, Liam R E Quin <liam@w3.org> wrote:
>>> On Wed, 2013-07-24 at 04:40 +1000, Dean Jackson wrote:
>>> [...]
>>>> It's more than backgrounds. As Tab mentions, the idea is a single
>>>> image resource that can be used anywhere that accepts an image.
>>> Is there a reason why they are restricted to 9 and not also 16 (giving
>>> centre pieces on the edges)?
>> Two reasons come to mind:
>> - Designers typically work with 9-part images.
> I don't think that's true for print.

Can you give examples?

>> - The syntax for 9 part border images is already borderline confusing
>> (get it? borderline!). Adding any more slices will likely explode
>> brains.
> Possibly, but the nested HTML div markup for centred decorations on a
> border is a pain to get right too,

Really? It's only one level of nesting.

Also, if they want truly centered inner borders, I expect they want 5x5 images, not 4x4. I think once you get to that level of syntax complexity you're going to be better off with nested elements.

> and you can't rely on polyfills for
> print engines that likely don't have JavaScript.

That's true. Again, I think we need examples from the print community. I don't follow this list completely, but I can't remember any requests for this.

Received on Thursday, 25 July 2013 18:55:51 UTC

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