#define DC_UnlockDc(pDC) \
GDIOBJ_UnlockObjByPtr ((POBJ)pDC)
+extern PDC defaultDCstate;
+
NTSTATUS FASTCALL InitDcImpl(VOID);
PGDIDEVICE FASTCALL IntEnumHDev(VOID);
HDC FASTCALL DC_AllocDC(PUNICODE_STRING Driver);
/* NOTE - I think we should store this per window station (including gdi objects) */
static PDCE FirstDce = NULL;
-static PDC defaultDCstate = NULL;
//static INT DCECount = 0; // Count of DCE in system.
#define DCX_CACHECOMPAREMASK (DCX_CLIPSIBLINGS | DCX_CLIPCHILDREN | \
{
if (!(dce->DCXFlags & DCX_NORESETATTRS))
{
- PDC dc;
/* make the DC clean so that SetDCState doesn't try to update the vis rgn */
IntGdiSetHookFlags(dce->hDC, DCHF_VALIDATEVISRGN);
- dc = DC_LockDc ( dce->hDC );
// Clean the DC
- IntGdiCopyFromSaveState(dc, defaultDCstate, dce->hDC ); // Was SetDCState.
+ if (!IntGdiCleanDC(dce->hDC)) return 0;
dce->DCXFlags &= ~DCX_DCEBUSY;
if (dce->DCXFlags & DCX_DCEDIRTY)
PGDIDEVICE pPrimarySurface = &PrimarySurface;
static KEVENT VideoDriverNeedsPreparation;
static KEVENT VideoDriverPrepared;
-static PDC defaultDCstate = NULL;
+PDC defaultDCstate = NULL;
NTSTATUS FASTCALL
IntGdiCleanDC(HDC hDC)
{
PDC dc;
+ if (!hDC) return FALSE;
dc = DC_LockDc ( hDC );
+ if (!dc) return FALSE;
// Clean the DC
if (defaultDCstate) IntGdiCopyFromSaveState(dc, defaultDCstate, hDC );
- DC_UnlockDc(dc);
return TRUE;
}