[SDL] Alpha blending

Sam Lantinga slouken at devolution.com
Sun Apr 2 13:10:11 PDT 2000


> Is there a way to do per-pixel (as opposed to entire surface) alpha
> blending with SDL? I'd like to use the alpha channel stored by an image
> editor.

Yes, but there have been some bugs reported in that the conversion loses
alpha information.  Take a look at the testalpha test program to see how
it can be done.

See ya!
	-Sam Lantinga, Lead Programmer, Loki Entertainment Software



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