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[WIN32K]

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- only lock DC if asked to in NtGdiSetDIBits.

svn path=/trunk/; revision=50948
This commit is contained in:
Jérôme Gardou 2011-03-01 21:45:45 +00:00
parent d5954abbf2
commit c77754b87d
1 changed files with 15 additions and 11 deletions
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26
reactos/subsystems/win32/win32k/objects/dibobj.c
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@ -336,7 +336,7 @@ NtGdiSetDIBits(
CONST BITMAPINFO *bmi,
UINT ColorUse)
{
PDC Dc;
PDC Dc = NULL;
INT Ret;
NTSTATUS Status = STATUS_SUCCESS;
@ -364,21 +364,25 @@ NtGdiSetDIBits(
return 0;
}
Dc = DC_LockDc(hDC);
if (NULL == Dc)
/* Lock DC if asked to */
if(ColorUse == DIB_PAL_COLORS)
{
EngSetLastError(ERROR_INVALID_HANDLE);
return 0;
}
if (Dc->dctype == DC_TYPE_INFO)
{
DC_UnlockDc(Dc);
return 0;
Dc = DC_LockDc(hDC);
if (NULL == Dc)
{
EngSetLastError(ERROR_INVALID_HANDLE);
return 0;
}
if (Dc->dctype == DC_TYPE_INFO)
{
DC_UnlockDc(Dc);
return 0;
}
}
Ret = IntSetDIBits(Dc, hBitmap, StartScan, ScanLines, Bits, bmi, ColorUse);
DC_UnlockDc(Dc);
if(Dc) DC_UnlockDc(Dc);
return Ret;
}