- From: Dirk Schulze <dschulze@adobe.com>
- Date: Mon, 3 Sep 2012 13:11:59 -0700
- To: "Tab Atkins Jr." <jackalmage@gmail.com>
- CC: Rik Cabanier <cabanier@gmail.com>, Erik Dahlstrom <ed@opera.com>, David Sheets <kosmo.zb@gmail.com>, "www-svg@w3.org" <www-svg@w3.org>, "public-fx@w3.org" <public-fx@w3.org>
On Sep 3, 2012, at 12:47 PM, Tab Atkins Jr. <jackalmage@gmail.com> wrote: > On Mon, Sep 3, 2012 at 12:39 PM, Rik Cabanier <cabanier@gmail.com> wrote: >> On Mon, Sep 3, 2012 at 11:58 AM, Tab Atkins Jr. <jackalmage@gmail.com> >> wrote: >>> On Mon, Sep 3, 2012 at 7:51 AM, Dirk Schulze <dschulze@adobe.com> wrote: >>>> Actually, what is the problem of copy pasting shaders or use generators? >>>> I think this is more helpful then introducing yet another filter primitive. >>>> We already have enough in my eyes. Introducing more makes it harder to >>>> maintain those - from the spec and the implementor side. I have nothing >>>> against regular used short hands, but another noise filter does not really >>>> fit into this concept in my eyes. >>> >>> The problem is that it's much more difficult to use than a simple >>> function. >> >> If you believe this, maybe we need to fix that. >> It should be possible to make shaders as easy to use as filters... > > As easy as *filters*, maybe (but probably not). As easy as the > *shorthand filter functions*, no, that's impossible. I was talking > about the latter. > > >>> Noise is used quite a lot in webpages, but right now it's >>> always done by downloading a noise PNG or whatever. Making noise >>> available as a primitive would be very useful! >> >> The door was always left open to add more shorthands so if enough people see >> their value, they should be added. >> The filtering model in CSS is not as powerful as SVG (ie you can not >> composite different filters together) so we probably need to add more than >> just the turbulence filter. > > The type of noise I'm interested in is sufficient as a plain image. > It would also be useful as a filter function, sure, but I just want to > add a noise() function to the <image> type, and I'll rely on SVG > making a good decision about the type of algorithm to do it with. > This is already specified by Filter Effects[1]. Dirk [1] https://dvcs.w3.org/hg/FXTF/raw-file/tip/filters/index.html#FilterCSSImageValue > ~TJ
Received on Monday, 3 September 2012 20:12:40 UTC