Hi Ivan,
On Wed, 2012-08-01 at 22:18 +0400, Ivan Timofeev wrote:
> On 01.08.2012 20:59, Michael Meeks wrote:
> Well, now I have read about alpha compositing and cairo... :)
Oh ! nice :-)
> We use CAIRO_FORMAT_ARGB32 and the cairo manual says[1]:
>
> Pre-multiplied alpha is used. (That is, 50% transparent red is
> 0x80800000, not 0x80ff0000.)
So you're right, and I'm wrong then :-) good.
> so cairo_data elements already multiplied by alpha.
Lets get your patch to fix this in the - hopefully that makes
everything prettier.
Thanks !
Michael.
--
[email protected] <><, Pseudo Engineer, itinerant idiot
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