int FASTCALL CLIPPING_UpdateGCRegion(DC* Dc) { PROSRGNDATA CombinedRegion; HRGN hRgnVis; PREGION prgnClip, prgnGCClip; // would prefer this, but the rest of the code sucks // ASSERT(Dc->rosdc.hGCClipRgn); // ASSERT(Dc->rosdc.hClipRgn); ASSERT(Dc->prgnVis); hRgnVis = Dc->prgnVis->BaseObject.hHmgr; if (Dc->rosdc.hGCClipRgn == NULL) Dc->rosdc.hGCClipRgn = IntSysCreateRectRgn(0, 0, 0, 0); prgnGCClip = REGION_LockRgn(Dc->rosdc.hGCClipRgn); ASSERT(prgnGCClip); if (Dc->rosdc.hClipRgn == NULL) IntGdiCombineRgn(prgnGCClip, Dc->prgnVis, NULL, RGN_COPY); else { prgnClip = REGION_LockRgn(Dc->rosdc.hClipRgn); // FIXME: locking order, ugh IntGdiCombineRgn(prgnGCClip, Dc->prgnVis, prgnClip, RGN_AND); REGION_UnlockRgn(prgnClip); } REGION_UnlockRgn(prgnGCClip); NtGdiOffsetRgn(Dc->rosdc.hGCClipRgn, Dc->ptlDCOrig.x, Dc->ptlDCOrig.y); if((CombinedRegion = RGNOBJAPI_Lock(Dc->rosdc.hGCClipRgn, NULL))) { CLIPOBJ *CombinedClip; CombinedClip = IntEngCreateClipRegion(CombinedRegion->rdh.nCount, CombinedRegion->Buffer, &CombinedRegion->rdh.rcBound); RGNOBJAPI_Unlock(CombinedRegion); if ( !CombinedClip ) { DPRINT1("IntEngCreateClipRegion() failed\n"); return ERROR; } if(Dc->rosdc.CombinedClip != NULL) IntEngDeleteClipRegion(Dc->rosdc.CombinedClip); Dc->rosdc.CombinedClip = CombinedClip ; } return NtGdiOffsetRgn(Dc->rosdc.hGCClipRgn, -Dc->ptlDCOrig.x, -Dc->ptlDCOrig.y); }
BOOL NTAPI DC_Cleanup(PVOID ObjectBody) { PDC pdc = (PDC)ObjectBody; /* Free DC_ATTR */ DC_vFreeDcAttr(pdc); /* Delete saved DCs */ DC_vRestoreDC(pdc, 1); /* Deselect dc objects */ DC_vSelectSurface(pdc, NULL); DC_vSelectFillBrush(pdc, NULL); DC_vSelectLineBrush(pdc, NULL); DC_vSelectPalette(pdc, NULL); /* Cleanup the dc brushes */ EBRUSHOBJ_vCleanup(&pdc->eboFill); EBRUSHOBJ_vCleanup(&pdc->eboLine); EBRUSHOBJ_vCleanup(&pdc->eboText); EBRUSHOBJ_vCleanup(&pdc->eboBackground); /* Release font */ LFONT_ShareUnlockFont(pdc->dclevel.plfnt); /* Free regions */ if (pdc->rosdc.hClipRgn && GreIsHandleValid(pdc->rosdc.hClipRgn)) GreDeleteObject(pdc->rosdc.hClipRgn); if (pdc->prgnVis) { REGION_Delete(pdc->prgnVis); } if (pdc->rosdc.hGCClipRgn && GreIsHandleValid(pdc->rosdc.hGCClipRgn)) { GreDeleteObject(pdc->rosdc.hGCClipRgn); } if (NULL != pdc->rosdc.CombinedClip) IntEngDeleteClipRegion(pdc->rosdc.CombinedClip); PATH_Delete(pdc->dclevel.hPath); if(pdc->dclevel.pSurface) SURFACE_ShareUnlockSurface(pdc->dclevel.pSurface); PDEVOBJ_vRelease(pdc->ppdev) ; return TRUE; }
/* * @implemented */ VOID APIENTRY EngDeleteWnd( IN WNDOBJ *pwo) { WNDGDI *WndObjInt = ObjToGDI(pwo, WND); PWND Window; BOOL calledFromUser; DPRINT("EngDeleteWnd: pwo = 0x%p\n", pwo); calledFromUser = UserIsEntered(); if (!calledFromUser){ UserEnterExclusive(); } /* Get window object */ Window = UserGetWindowObject(WndObjInt->Hwnd); if (Window == NULL) { DPRINT1("Warning: Couldnt get window object for WndObjInt->Hwnd!!!\n"); } else { /* Remove object from window */ IntRemoveProp(Window, AtomWndObj); --gcountPWO; } if (!calledFromUser){ UserLeave(); } /* Free resources */ IntEngDeleteClipRegion(WndObjInt->ClientClipObj); EngFreeMem(WndObjInt); }
INT FASTCALL NEW_CLIPPING_UpdateGCRegion(PDC pDC) { CLIPOBJ * co; /* Must have VisRgn set to a valid state! */ ASSERT (pDC->prgnVis); if (pDC->prgnAPI) { REGION_Delete(pDC->prgnAPI); pDC->prgnAPI = IntSysCreateRectpRgn(0,0,0,0); } if (pDC->prgnRao) { REGION_Delete(pDC->prgnRao); pDC->prgnRao = IntSysCreateRectpRgn(0,0,0,0); } if (pDC->dclevel.prgnMeta && pDC->dclevel.prgnClip) { IntGdiCombineRgn( pDC->prgnAPI, pDC->dclevel.prgnClip, pDC->dclevel.prgnMeta, RGN_AND); } else { if (pDC->dclevel.prgnClip) { IntGdiCombineRgn( pDC->prgnAPI, pDC->dclevel.prgnClip, NULL, RGN_COPY); } else if (pDC->dclevel.prgnMeta) { IntGdiCombineRgn( pDC->prgnAPI, pDC->dclevel.prgnMeta, NULL, RGN_COPY); } } IntGdiCombineRgn( pDC->prgnRao, pDC->prgnVis, pDC->prgnAPI, RGN_AND); RtlCopyMemory(&pDC->erclClip, &((PROSRGNDATA)pDC->prgnRao)->rdh.rcBound, sizeof(RECTL)); pDC->fs &= ~DC_FLAG_DIRTY_RAO; IntGdiOffsetRgn(pDC->prgnRao, pDC->ptlDCOrig.x, pDC->ptlDCOrig.y); // pDC->co should be used. Example, CLIPOBJ_cEnumStart uses XCLIPOBJ to build // the rects from region objects rects in pClipRgn->Buffer. // With pDC->co.pClipRgn->Buffer, // pDC->co.pClipRgn = pDC->prgnRao ? pDC->prgnRao : pDC->prgnVis; co = IntEngCreateClipRegion( ((PROSRGNDATA)pDC->prgnRao)->rdh.nCount, ((PROSRGNDATA)pDC->prgnRao)->Buffer, &pDC->erclClip); if (co) { if (pDC->rosdc.CombinedClip != NULL) IntEngDeleteClipRegion(pDC->rosdc.CombinedClip); pDC->rosdc.CombinedClip = co; } return IntGdiOffsetRgn(pDC->prgnRao, -pDC->ptlDCOrig.x, -pDC->ptlDCOrig.y); }
/* * Fills the CLIPOBJ and client rect of the WNDOBJ with the data from the given WND */ BOOLEAN FASTCALL IntEngWndUpdateClipObj( WNDGDI *WndObjInt, PWND Window) { HRGN hVisRgn; PROSRGNDATA visRgn; CLIPOBJ *ClipObj = NULL; CLIPOBJ *OldClipObj; DPRINT("IntEngWndUpdateClipObj\n"); hVisRgn = VIS_ComputeVisibleRegion(Window, TRUE, TRUE, TRUE); if (hVisRgn != NULL) { NtGdiOffsetRgn(hVisRgn, Window->rcClient.left, Window->rcClient.top); visRgn = RGNOBJAPI_Lock(hVisRgn, NULL); if (visRgn != NULL) { if (visRgn->rdh.nCount > 0) { ClipObj = IntEngCreateClipRegion(visRgn->rdh.nCount, visRgn->Buffer, &visRgn->rdh.rcBound); DPRINT("Created visible region with %lu rects\n", visRgn->rdh.nCount); DPRINT(" BoundingRect: %d, %d %d, %d\n", visRgn->rdh.rcBound.left, visRgn->rdh.rcBound.top, visRgn->rdh.rcBound.right, visRgn->rdh.rcBound.bottom); { ULONG i; for (i = 0; i < visRgn->rdh.nCount; i++) { DPRINT(" Rect #%lu: %ld,%ld %ld,%ld\n", i+1, visRgn->Buffer[i].left, visRgn->Buffer[i].top, visRgn->Buffer[i].right, visRgn->Buffer[i].bottom); } } } RGNOBJAPI_Unlock(visRgn); } else { DPRINT1("Warning: Couldn't lock visible region of window DC\n"); } GreDeleteObject(hVisRgn); } else { DPRINT1("Warning: VIS_ComputeVisibleRegion failed!\n"); } if (ClipObj == NULL) { /* Fall back to client rect */ ClipObj = IntEngCreateClipRegion(1, &Window->rcClient, &Window->rcClient); } if (ClipObj == NULL) { DPRINT1("Warning: IntEngCreateClipRegion() failed!\n"); return FALSE; } RtlCopyMemory(&WndObjInt->WndObj.coClient, ClipObj, sizeof (CLIPOBJ)); RtlCopyMemory(&WndObjInt->WndObj.rclClient, &Window->rcClient, sizeof (RECT)); OldClipObj = InterlockedExchangePointer((PVOID*)&WndObjInt->ClientClipObj, ClipObj); if (OldClipObj != NULL) IntEngDeleteClipRegion(OldClipObj); return TRUE; }