- From: Tab Atkins Jr. <jackalmage@gmail.com>
- Date: Thu, 13 Jun 2013 14:05:16 +0200
- To: Lea Verou <lea@w3.org>
- Cc: www-style list <www-style@w3.org>, "Eric A. Meyer" <eric@meyerweb.com>
On Thu, Jun 13, 2013 at 1:50 PM, Lea Verou <lea@w3.org> wrote: > The current wording [1] is a bit ambiguous regarding whether SVG images are > allowed for shape generation or whether it’s only raster images: > > Another way of defining shapes is by specifying a source image whose alpha > channel is used to compute the shape. The shape is computed to be the path > that encloses the area where the opacity of the specified image is greater > than the ‘shape-image-threshold’ value. If the ‘shape-image-threshold’ is > not specified, the initial value to be considered is 0.5. > > For animated raster image formats (such as GIF), the first frame of the > animation sequence is used. > > > There is also this note in the change Log [2]: > > Postpone shapes from SVG to a future Shapes level > > > My interpretation was that SVG images are allowed, and the alpha channel > used refers to the alpha channel of the rendered SVG. I assumed the > changelog note was about defining SVG shapes directly in CSS code. However, > Eric’s (CCed) interpretation was that only raster images are allowed, which > indicates that there’s some ambiguity here. > > [1]: http://dev.w3.org/csswg/css-shapes/#shapes-from-image > [2]: http://dev.w3.org/csswg/css-shapes/#since-may-3rd-2012 Yes, all images are allowed, regardless of format. The only SVG-related thing that's been postponed is referencing SVG elements directly. ~TJ
Received on Thursday, 13 June 2013 12:06:05 UTC