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codemonkey1984

Blending Bitmaps

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I''m trying to blend two bitmaps (on 16-bit ddraw7 surfaces) at runtime to create a stock fade effect between two screens. Can someone tell me how to achieve this, or direct me to a tutorial? Thanks!

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I think it can be done with alpha-blending.... I don''t know if additive-blending or other types can do the trick, but I would use alpha-blending... Gamedev.net has good tutorials about this, but if anyone has a better idea, plz post, because alpha-blending is slow(in most cases) and it is not the best thing to code.
Search Articles & Resources for Alpha Blending.

Bye!
-Roger-

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Guest Anonymous Poster
umm... it''s no deal to get alpha-blending running @70FPS on a 600MHz machine while doing fullscreen blends.

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Guest Anonymous Poster
go here http://www.longbowdigitalarts.com/seumas/progblend.html

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