- From: Brad Kemper <brad.kemper@gmail.com>
- Date: Mon, 14 Sep 2009 10:24:32 -0700
- To: Andrew Fedoniouk <news@terrainformatica.com>
- Cc: www-style list <www-style@w3.org>
On Sep 14, 2009, at 8:49 AM, Brad Kemper wrote: >> I am not sure I understand physics here. See: >> 1) For shadow purposes that logo is treated as if it is transparent >> (punched) so it does not cast the shadow. >> 2) But at the same time it is rendered as if it is non-transparent. > > With inner shadows, wherever there is solid color, it renders as > though that color is on a surface below a transparent cut-out. > Because the logo is solid and opaque, you see the unobscured color > of it on that lower surface. Wherever there is transparency in the > original image, you get the effect of a surface floating above the > lower surface, casting a shadow on whatever colors were not > transparent. > >> Seems like contradictory for me. > This might help show what is going on a little more clearly: http://www.bradclicks.com/cssplay/concentric.html
Received on Monday, 14 September 2009 17:25:21 UTC