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[Win32k]
- Plug in the new dc attribute support and add the brush pen and region attribute support. svn path=/trunk/; revision=44796
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@ -128,4 +128,8 @@ PVOID
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NTAPI
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EBRUSHOBJ_pvGetEngBrush(EBRUSHOBJ *pebo);
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PVOID FASTCALL AllocateObjectAttr(VOID);
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VOID FASTCALL FreeObjectAttr(PVOID);
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#endif
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@ -11,6 +11,20 @@
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#define NDEBUG
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#include <debug.h>
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#define GDIOBJATTRFREE 170
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typedef struct _GDI_OBJ_ATTR_FREELIST
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{
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LIST_ENTRY Entry;
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DWORD nEntries;
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PVOID AttrList[GDIOBJATTRFREE];
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} GDI_OBJ_ATTR_FREELIST, *PGDI_OBJ_ATTR_FREELIST;
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typedef struct _GDI_OBJ_ATTR_ENTRY
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{
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RGN_ATTR Attr[GDIOBJATTRFREE];
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} GDI_OBJ_ATTR_ENTRY, *PGDI_OBJ_ATTR_ENTRY;
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static const USHORT HatchBrushes[NB_HATCH_STYLES][8] =
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{
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{0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0xFF, 0xFF, 0xFF}, /* HS_HORIZONTAL */
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@ -21,6 +35,134 @@ static const USHORT HatchBrushes[NB_HATCH_STYLES][8] =
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{0x7E, 0xBD, 0xDB, 0xE7, 0xE7, 0xDB, 0xBD, 0x7E} /* HS_DIAGCROSS */
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};
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PVOID
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FASTCALL
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AllocateObjectAttr(VOID)
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{
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PTHREADINFO pti;
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PPROCESSINFO ppi;
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PVOID pAttr;
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PGDI_OBJ_ATTR_FREELIST pGdiObjAttrFreeList;
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PGDI_OBJ_ATTR_ENTRY pGdiObjAttrEntry;
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int i;
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pti = PsGetCurrentThreadWin32Thread();
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if (pti->pgdiBrushAttr)
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{
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pAttr = pti->pgdiBrushAttr; // Get the free one.
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pti->pgdiBrushAttr = NULL;
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return pAttr;
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}
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ppi = PsGetCurrentProcessWin32Process();
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if (!ppi->pBrushAttrList) // If set point is null, allocate new group.
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{
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pGdiObjAttrEntry = EngAllocUserMem(sizeof(GDI_OBJ_ATTR_ENTRY), 0);
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if (!pGdiObjAttrEntry)
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{
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DPRINT1("Attr Failed User Allocation!\n");
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return NULL;
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}
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DPRINT("AllocObjectAttr User 0x%x\n",pGdiObjAttrEntry);
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pGdiObjAttrFreeList = ExAllocatePoolWithTag( PagedPool,
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sizeof(GDI_OBJ_ATTR_FREELIST),
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GDITAG_BRUSH_FREELIST);
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if ( !pGdiObjAttrFreeList )
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{
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EngFreeUserMem(pGdiObjAttrEntry);
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return NULL;
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}
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RtlZeroMemory(pGdiObjAttrFreeList, sizeof(GDI_OBJ_ATTR_FREELIST));
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DPRINT("AllocObjectAttr Ex 0x%x\n",pGdiObjAttrFreeList);
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InsertHeadList( &ppi->GDIBrushAttrFreeList, &pGdiObjAttrFreeList->Entry);
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pGdiObjAttrFreeList->nEntries = GDIOBJATTRFREE;
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// Start at the bottom up and set end of free list point.
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ppi->pBrushAttrList = &pGdiObjAttrEntry->Attr[GDIOBJATTRFREE-1];
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// Build the free attr list.
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for ( i = 0; i < GDIOBJATTRFREE; i++)
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{
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pGdiObjAttrFreeList->AttrList[i] = &pGdiObjAttrEntry->Attr[i];
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}
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}
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pAttr = ppi->pBrushAttrList;
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pGdiObjAttrFreeList = (PGDI_OBJ_ATTR_FREELIST)ppi->GDIBrushAttrFreeList.Flink;
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// Free the list when it is full!
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if ( pGdiObjAttrFreeList->nEntries-- == 1)
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{ // No more free entries, so yank the list.
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RemoveEntryList( &pGdiObjAttrFreeList->Entry );
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ExFreePoolWithTag( pGdiObjAttrFreeList, GDITAG_BRUSH_FREELIST );
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if ( IsListEmpty( &ppi->GDIBrushAttrFreeList ) )
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{
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ppi->pBrushAttrList = NULL;
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return pAttr;
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}
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pGdiObjAttrFreeList = (PGDI_OBJ_ATTR_FREELIST)ppi->GDIBrushAttrFreeList.Flink;
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}
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ppi->pBrushAttrList = pGdiObjAttrFreeList->AttrList[pGdiObjAttrFreeList->nEntries-1];
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return pAttr;
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}
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VOID
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FASTCALL
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FreeObjectAttr(PVOID pAttr)
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{
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PTHREADINFO pti;
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PPROCESSINFO ppi;
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PGDI_OBJ_ATTR_FREELIST pGdiObjAttrFreeList;
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pti = PsGetCurrentThreadWin32Thread();
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if (!pti) return;
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if (!pti->pgdiBrushAttr)
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{ // If it is null, just cache it for the next time.
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pti->pgdiBrushAttr = pAttr;
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return;
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}
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ppi = PsGetCurrentProcessWin32Process();
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pGdiObjAttrFreeList = (PGDI_OBJ_ATTR_FREELIST)ppi->GDIBrushAttrFreeList.Flink;
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// We add to the list of free entries, so this will grows!
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if ( IsListEmpty(&ppi->GDIBrushAttrFreeList) ||
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pGdiObjAttrFreeList->nEntries == GDIOBJATTRFREE )
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{
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pGdiObjAttrFreeList = ExAllocatePoolWithTag( PagedPool,
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sizeof(GDI_OBJ_ATTR_FREELIST),
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GDITAG_BRUSH_FREELIST);
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if ( !pGdiObjAttrFreeList )
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{
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return;
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}
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InsertHeadList( &ppi->GDIBrushAttrFreeList, &pGdiObjAttrFreeList->Entry);
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pGdiObjAttrFreeList->nEntries = 0;
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}
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// Up count, save the entry and set end of free list point.
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++pGdiObjAttrFreeList->nEntries; // Top Down...
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pGdiObjAttrFreeList->AttrList[pGdiObjAttrFreeList->nEntries-1] = pAttr;
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ppi->pBrushAttrList = pAttr;
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return;
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}
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BOOL
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INTERNAL_CALL
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BRUSH_Cleanup(PVOID ObjectBody)
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@ -11,7 +11,6 @@
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#define NDEBUG
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#include <debug.h>
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#define GDIDCATTRFREE 8
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typedef struct _GDI_DC_ATTR_FREELIST
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@ -159,35 +158,31 @@ DC_AllocateDcAttr(HDC hDC)
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{
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PVOID NewMem = NULL;
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PDC pDC;
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HANDLE Pid = NtCurrentProcess();
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ULONG MemSize = sizeof(DC_ATTR); //PAGE_SIZE it will allocate that size
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NTSTATUS Status = ZwAllocateVirtualMemory(Pid,
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&NewMem,
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0,
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&MemSize,
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MEM_COMMIT|MEM_RESERVE,
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PAGE_READWRITE);
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KeEnterCriticalRegion();
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{
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INT Index = GDI_HANDLE_GET_INDEX((HGDIOBJ)hDC);
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PGDI_TABLE_ENTRY Entry = &GdiHandleTable->Entries[Index];
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NewMem = AllocateDcAttr();
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// FIXME: dc could have been deleted!!! use GDIOBJ_InsertUserData
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if (NT_SUCCESS(Status))
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if (NewMem)
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{
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RtlZeroMemory(NewMem, MemSize);
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Entry->UserData = NewMem;
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DPRINT("DC_ATTR allocated! 0x%x\n",NewMem);
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RtlZeroMemory(NewMem, sizeof(DC_ATTR));
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Entry->UserData = NewMem;
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DPRINT("DC_ATTR allocated! 0x%x\n",NewMem);
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}
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else
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{
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DPRINT("DC_ATTR not allocated!\n");
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DPRINT1("DC_ATTR not allocated!\n");
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}
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}
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KeLeaveCriticalRegion();
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pDC = DC_LockDc(hDC);
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ASSERT(pDC->pdcattr == &pDC->dcattr);
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if(NewMem)
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if (NewMem)
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{
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pDC->pdcattr = NewMem; // Store pointer
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}
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@ -198,7 +193,6 @@ VOID
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FASTCALL
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DC_FreeDcAttr(HDC DCToFree )
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{
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HANDLE Pid = NtCurrentProcess();
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PDC pDC = DC_LockDc(DCToFree);
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if (pDC->pdcattr == &pDC->dcattr) return; // Internal DC object!
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pDC->pdcattr = &pDC->dcattr;
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@ -208,18 +202,10 @@ DC_FreeDcAttr(HDC DCToFree )
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{
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INT Index = GDI_HANDLE_GET_INDEX((HGDIOBJ)DCToFree);
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PGDI_TABLE_ENTRY Entry = &GdiHandleTable->Entries[Index];
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if(Entry->UserData)
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if (Entry->UserData)
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{
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ULONG MemSize = sizeof(DC_ATTR); //PAGE_SIZE;
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NTSTATUS Status = ZwFreeVirtualMemory(Pid,
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&Entry->UserData,
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&MemSize,
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MEM_RELEASE);
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if (NT_SUCCESS(Status))
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{
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DPRINT("DC_FreeDC DC_ATTR 0x%x\n", Entry->UserData);
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Entry->UserData = NULL;
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}
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FreeDcAttr(Entry->UserData);
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Entry->UserData = NULL;
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}
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}
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KeLeaveCriticalRegion();
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@ -264,7 +250,7 @@ DCU_SyncDcAttrtoUser(PDC dc)
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CopytoUserDcAttr( dc, pdcattr);
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return TRUE;
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}
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// LOL! DCU_ Sync hDc Attr to User,,, need it speeled out for you?
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BOOL
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FASTCALL
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DCU_SynchDcAttrtoUser(HDC hDC)
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