Blit RGBA Surface on RGB Surface with colorkey

Hi,
I’m trying to blit a RGBA surface (A) on a RGB surface with colorkey (B),
these surfaces are 2 images loaded with SDL_Image.
I have tried evey combination of SDL_SetAlpha flags on these surfaces,
but blitting A on B gives wrong/weird results.

The only solution I found is create a new surface © with same B
dimensions
and A RGBA data, Set C Alpha flags to 0 and then blit B and A on C.

Does exist a better way to solve the problem?–

Davide “M3xican” Coppola


email: dmc at dev-labs.net
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