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Only offset the rect if it's not empty, otherwise we might return negative

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svn path=/trunk/; revision=19893
This commit is contained in:
Gé van Geldorp 2005-12-04 22:30:27 +00:00
parent 7bb411e4c8
commit a213198509
1 changed files with 6 additions and 3 deletions
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9
reactos/subsys/win32k/ntuser/painting.c
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@ -769,9 +769,12 @@ NtUserBeginPaint(HWND hWnd, PAINTSTRUCT* UnsafePs)
UnsafeIntGetRgnBox(Rgn, &Ps.rcPaint);
RGNDATA_UnlockRgn(Rgn);
IntGdiIntersectRect(&Ps.rcPaint, &Ps.rcPaint, &Window->ClientRect);
IntGdiOffsetRect(&Ps.rcPaint,
-Window->ClientRect.left,
-Window->ClientRect.top);
if (! IntGdiIsEmptyRect(&Ps.rcPaint))
{
IntGdiOffsetRect(&Ps.rcPaint,
-Window->ClientRect.left,
-Window->ClientRect.top);
}
}
else
{