- From: Rik Cabanier <cabanier@gmail.com>
- Date: Fri, 23 Nov 2012 15:58:40 -0800
- To: Glenn Maynard <glenn@zewt.org>
- Cc: Tyler Larson <talltyler@gmail.com>, Ian Hickson <ian@hixie.ch>, whatwg@whatwg.org
On Fri, Nov 23, 2012 at 3:47 PM, Glenn Maynard <glenn@zewt.org> wrote: > On Fri, Sep 21, 2012 at 7:49 PM, Rik Cabanier <cabanier@gmail.com> wrote: > >> With both types of shadow, you take the shape of the element and calculate >> the blur image. >> >> With an outer shadow, you take the result of the blur and composite it. >> After this, you composite the original shape. >> With an inner shadow, you draw the shape first followed by the blur image. >> Importantly, the blur image also needs to clipped by the shape before it >> is >> composited. >> > > Also, the blurred image's alpha is inverted. > > You're right. It's not 'clear' for the compositing more, but 'source-out'
Received on Saturday, 24 November 2012 01:28:03 UTC