Bitmaps

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#559

From: lee oine
Date: Tue, 11 Aug 1992 00:24

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anyone know of a good routine to rotate a bitmap picture?

i know that bitmap shrinking and zooming can be done quite easily, but

cant figure how to rotate.


take zooming for example, it can be done using only ADDition and the 

overflow bit. that is done in Wolf3D, i think, so as to make it very fast!


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Message-ID: <1992Aug11.002459.18167@mnemosyne.cs.du.edu>

Path: arc1-ca.pugleaf.net!sparky!uunet!mnemosyne.cs.du.edu!nyx!loine

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Newsgroups: rec.games.programmer
Path: arc1-ca.pugleaf.net!sparky!uunet!mnemosyne.cs.du.edu!nyx!loine
From: loine@nyx.cs.du.edu (lee oine)
Subject: Bitmaps
Message-ID: <1992Aug11.002459.18167@mnemosyne.cs.du.edu>
Sender: usenet@mnemosyne.cs.du.edu (netnews admin account)
Organization: Nyx, Public Access Unix @ U. of Denver Math/CS dept.
Date: Tue, 11 Aug 92 00:24:59 GMT
Lines: 15