- From: Tab Atkins Jr. <jackalmage@gmail.com>
- Date: Fri, 29 Jan 2010 08:47:38 -0600
- To: Boris Zbarsky <bzbarsky@mit.edu>
- Cc: www-style <www-style@w3.org>
On Fri, Jan 29, 2010 at 8:29 AM, Boris Zbarsky <bzbarsky@mit.edu> wrote: > On 1/29/10 9:21 AM, Tab Atkins Jr. wrote: >> >> Of course, if an author changes to rgba(0,0,0,0) specifically, it >> should indeed transition on all components, and darken as it fades. > > Why? Why would you ever want that? So that you could, frex, change to rgba(0,256,256,0), and have a reddening as it goes opaque? It seems to make sense to me. >> Is is possible to special-case this? > > Wouldn't it be better to just do the premultiplied thing? Any time opacity > is involved it seems to give more desirable results. Maybe. I'm trying to understand your previous email, but I'm pretty sure you typo'd on a few places, but I'm not precisely sure *where*, so I'm having trouble connecting your examples with this explanation of premultiplication that I'm reading. ~TJ
Received on Friday, 29 January 2010 14:48:30 UTC