* PROGRAMER: Timo Kreuzer (timo.kreuzer@rectos.org)
*/
-#include <w32k.h>
+#include <win32k.h>
#define NDEBUG
#include <debug.h>
-
#define GDIDCATTRFREE 8
typedef struct _GDI_DC_ATTR_FREELIST
return;
}
+BOOL
+FASTCALL
+DC_AllocDcAttr(PDC pdc)
+{
+ DC_AllocateDcAttr(pdc->BaseObject.hHmgr);
+ *pdc->pdcattr = pdc->dcattr;
+ return TRUE;
+}
+
+// CHECK against current head
VOID
FASTCALL
DC_AllocateDcAttr(HDC hDC)
&MemSize,
MEM_COMMIT|MEM_RESERVE,
PAGE_READWRITE);
- KeEnterCriticalRegion();
{
INT Index = GDI_HANDLE_GET_INDEX((HGDIOBJ)hDC);
PGDI_TABLE_ENTRY Entry = &GdiHandleTable->Entries[Index];
DPRINT("DC_ATTR not allocated!\n");
}
}
- KeLeaveCriticalRegion();
pDC = DC_LockDc(hDC);
ASSERT(pDC->pdcattr == &pDC->dcattr);
if(NewMem)
}
VOID
-FASTCALL
-DC_FreeDcAttr(HDC DCToFree )
+NTAPI
+DC_vFreeDcAttr(PDC pdc)
{
- HANDLE Pid = NtCurrentProcess();
- PDC pDC = DC_LockDc(DCToFree);
- if (pDC->pdcattr == &pDC->dcattr) return; // Internal DC object!
- pDC->pdcattr = &pDC->dcattr;
- DC_UnlockDc(pDC);
+ HANDLE Pid = NtCurrentProcess();
+ INT Index;
+ PGDI_TABLE_ENTRY pent;
- KeEnterCriticalRegion();
- {
- INT Index = GDI_HANDLE_GET_INDEX((HGDIOBJ)DCToFree);
- PGDI_TABLE_ENTRY Entry = &GdiHandleTable->Entries[Index];
- if(Entry->UserData)
+ if (pdc->pdcattr == &pdc->dcattr)
{
- ULONG MemSize = sizeof(DC_ATTR); //PAGE_SIZE;
- NTSTATUS Status = ZwFreeVirtualMemory(Pid,
- &Entry->UserData,
- &MemSize,
- MEM_RELEASE);
- if (NT_SUCCESS(Status))
- {
- DPRINT("DC_FreeDC DC_ATTR 0x%x\n", Entry->UserData);
- Entry->UserData = NULL;
- }
+ // Internal DC object!
+ return;
+ }
+
+ pdc->pdcattr = &pdc->dcattr;
+
+ Index = GDI_HANDLE_GET_INDEX(pdc->BaseObject.hHmgr);
+ pent = &GdiHandleTable->Entries[Index];
+ if(pent->UserData)
+ {
+ ULONG MemSize = sizeof(DC_ATTR);
+ NTSTATUS Status = ZwFreeVirtualMemory(Pid,
+ &pent->UserData,
+ &MemSize,
+ MEM_RELEASE);
+ if (!NT_SUCCESS(Status))
+ {
+ DPRINT1("DC_FreeDC failed to free DC_ATTR 0x%p\n", pent->UserData);
+ ASSERT(FALSE);
+ }
+ pent->UserData = NULL;
}
- }
- KeLeaveCriticalRegion();
}
VOID
CopytoUserDcAttr(PDC dc, PDC_ATTR pdcattr)
{
- NTSTATUS Status = STATUS_SUCCESS;
dc->dcattr.mxWorldToDevice = dc->dclevel.mxWorldToDevice;
dc->dcattr.mxDeviceToWorld = dc->dclevel.mxDeviceToWorld;
dc->dcattr.mxWorldToPage = dc->dclevel.mxWorldToPage;
_SEH2_TRY
{
- ProbeForWrite( pdcattr,
- sizeof(DC_ATTR),
- 1);
- RtlCopyMemory( pdcattr,
- &dc->dcattr,
- sizeof(DC_ATTR));
+ ProbeForWrite(pdcattr, sizeof(DC_ATTR), 1);
+ RtlCopyMemory(pdcattr, &dc->dcattr, sizeof(DC_ATTR));
}
_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
{
- Status = _SEH2_GetExceptionCode();
ASSERT(FALSE);
}
_SEH2_END;
CopytoUserDcAttr( dc, pdcattr);
return TRUE;
}
-
+// LOL! DCU_ Sync hDc Attr to User,,, need it speeled out for you?
BOOL
FASTCALL
DCU_SynchDcAttrtoUser(HDC hDC)