bX(nComNumber));
				tcy1=(int)ceilfloor(ty1*1.0/m_ImgSrcInfo.GetComSubY(nComNumber));

				nOffset=(tcy0-pComImgOrg[nComNumber].GetY())*pdwComImgWidth[nComNumber]+tcx0-pComImgOrg[nComNumber].GetX();
                
			    pTileComData=&m_pImgTilingData[nTileNumber].GetTileComData(nComNumber);

				pTileComData->CreateData(eDataType);
				pTileComData->SetParams(nTileNumber,nXTileNumber,nYTileNumber);
				pTileComData->SetComNumber(nComNumber);
                

				pDataBlk=pTileComData->GetTileComData();
				pDataBlk->SetBlkOrg(tcx0,tcy0);
				pDataBlk->SetBlkWidthHeight(tcx1-tcx0,tcy1-tcy0);
				pDataBlk->SetOffset(nOffset);
                pDataBlk->SetDataType(eDataType);

                pDataBlk->SetDataCopy(pImgSrcData[nComNumber]->GetData(),nOffset,tcx1-tcx0,tcy1-tcy0,pdwComImgWidth[nComNumber]);

				if (!pbCompSigned[nComNumber])
				{
					nDCShift=(1<<(pnCompBits[nComNumber]-1));
					DCShift(pDataBlk,nDCShift);


				}



			/*	int *pdata=(int *)pDataBlk->GetData();
				printf ("--------\n");
                for (int j=0;j<tcy1-tcy0;j++)
				{
					for (int i=0;i<tcx1-tcx0;i++)