- From: Chris Lilley <chris@w3.org>
- Date: Tue, 3 Mar 2015 20:48:10 +0100
- To: Nikos Andronikos <nikos.andronikos@cisra.canon.com.au>
- CC: www-svg@w3.org
Hello Nikos, Tuesday, March 3, 2015, 5:57:49 AM, you wrote: > > The Conformance chapter [1] currently states > > "The viewer must support alpha channel blending of the image of > the SVG content onto the target canvas." > > I'm thinking this should be expanded to say something like: > "Areas of an image of SVG content may have opacity less than 100%. > The viewer must at least support Simple Alpha Compositing of the > image of the SVG content onto the target canvas, as described in the > Compositing and Blending Specification [COMPOSITING-BLENDING]." > > Simple Alpha Compositing is defined in Blending and Compositing Level 1 [2]. > If they so choose, implementations can then go beyond this to support mix-blend-mode, etc. > > What do others think? That looks like a useful clarification and increases testability. -- Best regards, Chris Lilley, Technical Director, W3C Interaction Domain
Received on Tuesday, 3 March 2015 19:48:13 UTC