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- Fix for gdibatch, does not help Acrobat reader 7.

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svn path=/trunk/; revision=46414
This commit is contained in:
James Tabor 2010-03-24 23:35:23 +00:00
parent c289730700
commit 6d03f87e81
1 changed files with 29 additions and 25 deletions
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54
reactos/subsystems/win32/win32k/objects/gdibatch.c
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@ -66,14 +66,34 @@ ULONG
FASTCALL
GdiFlushUserBatch(PDC dc, PGDIBATCHHDR pHdr)
{
BOOL Hit = FALSE;
ULONG Cmd = 0, Size = 0;
PDC_ATTR pdcattr = NULL;
if (dc)
{
pdcattr = dc->pdcattr;
pdcattr = dc->pdcattr;
}
_SEH2_TRY
{
Cmd = pHdr->Cmd;
Size = pHdr->Size; // Return the full size of the structure.
}
_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
{
Hit = TRUE;
}
_SEH2_END;
if (Hit)
{
DPRINT1("WARNING! GdiBatch Fault!\n");
return 0;
}
// FYI! The thread is approaching the end of sunset.
switch(pHdr->Cmd)
switch(Cmd)
{
case GdiBCPatBlt: // Highest pri first!
break;
@ -113,7 +133,7 @@ GdiFlushUserBatch(PDC dc, PGDIBATCHHDR pHdr)
break;
}
return pHdr->Size; // Return the full size of the structure.
return Size;
}
/*
@ -139,7 +159,6 @@ NTSTATUS
APIENTRY
NtGdiFlushUserBatch(VOID)
{
BOOL Hit;
PTEB pTeb = NtCurrentTeb();
ULONG GdiBatchCount = pTeb->GdiBatchCount;
@ -161,28 +180,13 @@ NtGdiFlushUserBatch(VOID)
}
// No need to init anything, just go!
for (Hit = FALSE; GdiBatchCount > 0; GdiBatchCount--)
{ /*
Looks like a hack,
feels like a hack,
you're right it's a hack,
due to the lack,
of kernel thread locking when it is in sunset!
*/
_SEH2_TRY
{
((PGDIBATCHHDR)pHdr)->Cmd = ((PGDIBATCHHDR)pHdr)->Cmd;
}
_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
{
Hit = TRUE;
}
_SEH2_END;
if (Hit) break;
for (; GdiBatchCount > 0; GdiBatchCount--)
{
ULONG Size;
// Process Gdi Batch!
pHdr += GdiFlushUserBatch(pDC, (PGDIBATCHHDR) pHdr);
Size = GdiFlushUserBatch(pDC, (PGDIBATCHHDR) pHdr);
if (!Size) break;
pHdr += Size;
}
if (pDC)