| Re: [AD] memory bitmap blending |
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- To: "Coordination of admins/developers of the game programming library Allegro" <alleg-developers@xxxxxxxxxx>
- Subject: Re: [AD] memory bitmap blending
- From: "Trent Gamblin" <trent@xxxxxxxxxx>
- Date: Fri, 28 Nov 2008 15:50:33 -0700 (MST)
On Fri, November 28, 2008 3:39 pm, Peter Wang said:
> In case you didn't know already, these combinations aren't yet fixed:
>
> src=ONE, dest=ALPHA
> src=INVERSE_ALPHA, dest=ONE
> src=INVERSE_ALPHA, dest=INVERSE_ALPHA
>
> Additionally there are obvious visual differences with these:
>
> src=ONE, dest=ONE (overexposed look)
> src=ONE, dest=ALPHA (overexposed at a=0.5)
> src=ALPHA, dest=ONE (overexposed at a=0.0)
> src=ALPHA, dest=ZERO (mysha invisible at a=0.5)
> src=ALPHA, dest=ALPHA (overexposed)
> src=INVERSE_ALPHA, dest=ALPHA (mysha invisible at a=0.5)
Ok, I'll take a look at those and see what I can do.
Trent :{)>