[Bug 421] Implement a DIB engine

http://bugs.winehq.org/show_bug.cgi?id=421


Loïc Hoguin <essen(a)dev-extend.eu> changed:

           What    |Removed                     |Added
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                 CC|                            |essen(a)dev-extend.eu




--- Comment #372 from Loïc Hoguin <essen(a)dev-extend.eu>  2010-05-26 08:06:03 ---
(In reply to comment #370)
> Ok, I have take a look at your screen shots.
> The 1pixel error must come from center/radius calculation but I simply do :
> LONG a = (right - left) / 2.0;
> LONG b = (bottom - top) / 2.0;
> LONG cx = (right + left) / 2.0;
> LONG cy = (bottom + top) / 2.0;
>
> So maybe, I have to use a cast somewhere because right, left, bottom and top
> are integer...

Pardon me if I'm wrong but wouldn't 2.0 be a float? That would cause two
implicit casts which could cause the rounding issue.

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