Re: Suggested syntax for the hflip attribute

If this is being pushed in, would need a similar method for flipping images
defined in CSS.

behdad

On 04/08/2010 04:56 AM, Aharon (Vladimir) Lanin wrote:
> Oh, and the value to indicate that the flip should take place should
> then be identical to the attribute name, so it works when used without
> an attribute. Thus, I guess it would be:
> 
> rtlflip  (%URI;|rtlflip|none) # none
> 
> On Thu, Apr 8, 2010 at 11:54 AM, Aharon (Vladimir) Lanin
> <aharon@google.com <mailto:aharon@google.com>> wrote:
> 
>     Should the name of the attribute then be changed to something like
>     rtlflip?
> 
> 
>     On Thu, Apr 8, 2010 at 12:48 AM, Simon Montagu
>     <smontagu@smontagu.org <mailto:smontagu@smontagu.org>> wrote:
> 
>         At the recent workshop on the document 'Additional Requirements
>         for Bidi in HTML' held at the Israeli W3C office, an improvement
>         was suggested for the hflip attribute, to give authors the
>         option of either specifying a separate URL for ltr and rtl
>         versions of an image, or  that the image should be flipped in
>         rtl context.
> 
>         IIRC, the original suggestion was made by Amit Aharonovitch, and
>         I strongly support it. Depending on image design, simple
>         mirroring for RTL can often produce an ugly effect (for example
>         with images that use shadows or gradients), and authors may well
>         prefer to take on the extra burden of maintaining separate
>         images for LTR and RTL, but will still want to use this
>         attribute rather than having to swap the images depending on
>         page direction.
> 
>         The following is my proposal for the syntax of the attribute:
> 
>         | hflip  (%URI;|flip|none) # none
>         |
>         | This attribute specifies an alternative image for use when the
>         | computed direction of the image's parent element is RTL. When
>         | the value of the attribute is a URI, the URI specifies the
>         location
>         | of the alternative image resource. When the value is "flip", the
>         | image should be horizontally mirrored by the user agent. By
>         default,
>         | the value is "none", which means that the image is rendered
>         | identically in both LTR and RTL contexts.
> 
>         By design, this proposal does not include the possibility of an
>         original image designed for RTL context, to be flipped in LTR
>         context.
> 
> 
> 
>

Received on Thursday, 8 April 2010 15:02:07 UTC