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patch by Jeffrey Morlan ( email : mrnobo1024 at yahoo dot com )

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the comment above is my. 
See issue #3295 for more details.

svn path=/trunk/; revision=33763
This commit is contained in:
Magnus Olsen 2008-05-29 22:39:39 +00:00
parent 22942d0ae4
commit e141a01feb
1 changed files with 6 additions and 1 deletions
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7
reactos/subsystems/win32/win32k/objects/dibobj.c
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@ -812,7 +812,12 @@ NtGdiStretchDIBitsInternal(
pDC = DC_LockDc(hdcMem);
IntSetDIBits(pDC, hBitmap, 0, BitsInfo->bmiHeader.biHeight, Bits,
/* Note BitsInfo->bmiHeader.biHeight is the number of scanline,
* if it negitve we getting to many scanline for scanline is UINT not
* a INT, so we need make the negtive value to positve and that make the
* count correct for negtive bitmap, TODO : we need testcase for this api */
IntSetDIBits(pDC, hBitmap, 0, abs(BitsInfo->bmiHeader.biHeight), Bits,
BitsInfo, Usage);
DC_UnlockDc(pDC);