- From: Alan Gresley <alan@css-class.com>
- Date: Tue, 08 Apr 2008 03:01:11 +1000
- To: Bert Bos <bert@w3.org>
- CC: www-style@w3.org
Bert Bos wrote: > While working on open issues for the Backgrounds and Borders module, we > came across this old message, which looks like a feature request, but > has never had an answer from the WG yet: > > http://lists.w3.org/Archives/Public/www-style/2006May/0037.html > > Laurens Holst: >> S.F. Alim schreef: >>> Well I believe that size is necessary but what about image should >>> flip vertical or horizotal or even mirror it - I mean inverse it >>> like whatever is right to left should be left to right >> Well, that sounds like a negative size. >> >> So, “url(foo)/-100%” auto will cause the image to flip. > > This is not an official answer, only the opinion of the editors. We > think flipping images does not belong in CSS, certainly not in level 3. > There is little demand for it, little interest in implementing it and > images can easily be flipped *before* being sent to a UA (a method that > works for images outside of CSS, too). > > [For Tracker: this fulfills ACTION-8.] > > Bert I can see that there is really no need to flip images (in theory) but I will mentioned that this was a unmentioned part of my background-position proposal. http://lists.w3.org/Archives/Public/www-style/2007Nov/0255.html Now having the symmetry different from margin, padding and borders. background-position:0 0 0 0; /* left, top, right, bottom */ Flipping from top to bottom. background-position:0 100% 0 100%; /* left, top, right, bottom */ Flipping from left to right. background-position:100% 0 100% 0; /* left, top, right, bottom */ Flipping on both axises. background-position:100% 100% 100% 100%; /* left, top, right, bottom */ Alan http://css-class.com/test/
Received on Monday, 7 April 2008 17:02:30 UTC