Rotating a bitmap

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1 total messages Started by Edward J Kalenda Wed, 29 Jul 1992 05:46

#107

Author: Edward J Kalenda
Date: Wed, 29 Jul 1992 05:46

13 lines
845 bytes

I'm trying to rotate a bitmap by 90 degree increments and not getting
anywhere with the 90 and 270 rotation. Using StretchBlt() I was able
to do the 180 rotation by starting in the bottom-right corner and
using negative width and height. The problem with 90 and 270 is that
I need to exchange the X and Y axis of the bitmap, along with doing
a mirror.

Does anybody know how to do this? Or am I going to have to do it one
bit at a time?
-- 

Ed
ekalenda@netcom.COM

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