If you have the DX SDK installed, you probably have the docs installed too. If not, it is higly recomended that you install it. It says there what all the parameters is.

But if I remeber right, it is the X coordiante and the Y coordinate where you want to draw the sprite.

And you can see that the rect for BltFast is the source rect. So you can't stretch and other things, but you can leave out a part of the source image if you want that.


Hope that helps.
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