Re: Tarsnap logo contest

[Daniel Staal <DStaal@usa.net>]

--As of December 13, 2013 10:39:22 PM -0800, Colin Percival is alleged to 
have said:

> > A quick check sounds like the answer is 'yes, but': Technically, the
> > format supports basic transparency
>
> Is that "pixels are either 100% transparent or 100% opaque"?  That would
> look even worse for the Tarsnap logo, since the rounded edges wouldn't
> work properly.

--As for the rest, it is mine.

Well, from what I've read: .ICO is basically a wrapper around a BMP or PNG 
(Vista and later) image, so it would have the same support they would have. 
(For BMP, that seems to mean it depends a bit on the color depth you are 
using, if I'm reading things correctly.)

It also is basically the same format as Windows uses for cursors (there is 
a section of the header that's changed to store the cursor hotspot), which 
would require decent transparency.

Daniel T. Staal

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