- From: Dean Jackson <dino@apple.com>
- Date: Tue, 06 Sep 2011 15:32:23 +1000
- To: "Tab Atkins Jr." <jackalmage@gmail.com>
- Cc: public-fx@w3.org
Thanks Tab, I agree. I'll add this to the spec. If anyone objects, please do so here. This reminds me of something else that I'll propose in a separate email so that we track the discussion a little easier. Dean On 06/09/2011, at 8:49 AM, Tab Atkins Jr. wrote: > I think it would be useful to add an opacity() filter function to the > Filters spec. This isn't necessary for the 'filter' property (just > use the 'opacity' property instead), but would be nice when filtering > images via the filter() function (which appears to have not yet made > it into the draft). Currently, the only way to make an image > partially-transparent is to use the cross-fade() function, which is > somewhat verbose and non-obvious: > > cross-fade(image(transparent), url(foo.jpg), 20%) > > I think the markup equivalent would be: > > <filter id="opacity"> > <feComponentTransfer> > <feFuncA type="table" tableValues="0 [amount]" /> > </feComponentTransfer> > </filter> > > ~TJ >
Received on Tuesday, 6 September 2011 05:32:55 UTC