[ros-kernel] bug #210 - upside-down Q2Demo image

[Waldo Alvarez Cañizares]

I was trying to run QII  yesterday but I don't have ddraw.dll dsound.dll and the rest they both import. Wich version is known to work with ROS? I injected those preinstalled in Win2k and they hit some unimplemented functions. I was able to see for a while the ID logo animation(before the BSOD). I will try to track down this bug, but without running QII seems almost impossible. Can someone give me a hand in here?
 
Regards
Waldo

________________________________

From: ros-kernel-bounces at reactos.com on behalf of Royce Mitchell III
Sent: Tue 2/17/2004 1:47 PM
To: ReactOS Kernel List
Subject: [ros-kernel] bug #210 - upside-down Q2Demo image



I added this as a comment in bugzilla on bug #210 also:

subsys/win32k/objects/dib.c line 966:
    bm.bmHeight = effHeight;
should be:
    bm.bmHeight = bi->biHeight;

We're throwing away negative heights.

If Q2 is creating a DIB section with a negative height, and we're
destroying the negative height, that would explain an upside-down
image.

Making this change is likely to cause a crash in DIB handling code.
I can't test it right now, but this should be a step in the right
direction.


Royce3

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