blendColor that doesn't need additional setup code

Ingo Klöcker kloecker at
Tue May 29 22:53:30 BST 2007

On Tuesday 29 May 2007 20:27, Matthew Woehlke wrote:
> Thomas Zander wrote:
> > On Tuesday 29 May 2007 02:28:09 Aaron J. Seigo wrote:
> >> does that make sense? =)
> >
> > Well, it confirms quite well what I said a couple of days ago;
> > Ingo, you and Andreas all have different solutions for what to do
> > with the alpha channel.
> > Ingo even had an if/then solution in there to make the blending
> > behave conceptually different depending on wheather there is an
> > alpha channel set at all.
> Clearly this doesn't sound like a good idea, the result should always
> be predictable :-).

I presented a well-defined function, and thus the result is always 
predictable. Though I don't claim that the result is actually usable in 
practice. After all I'm still a mathematician. :-)

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