コード例 #1
0
        /**
         * Constructs a OBJ record and Sets its fields appropriately.
         *
         * @param in the RecordInputstream to Read the record from
         */

        public ObjRecord(RecordInputStream in1)
        {
            // TODO - problems with OBJ sub-records stream
            // MS spec says first sub-record is always CommonObjectDataSubRecord,
            // and last is
            // always EndSubRecord. OOO spec does not mention ObjRecord(0x005D).
            // Existing POI test data seems to violate that rule. Some test data
            // seems to contain
            // garbage, and a crash is only averted by stopping at what looks like
            // the 'EndSubRecord'

            //Check if this can be continued, if so then the
            //following wont work properly
            //int subSize = 0;
            byte[] subRecordData = in1.ReadRemainder();

            if (LittleEndian.GetUShort(subRecordData, 0) != CommonObjectDataSubRecord.sid)
            {
                // seems to occur in just one junit on "OddStyleRecord.xls" (file created by CrystalReports)
                // Excel tolerates the funny ObjRecord, and replaces it with a corrected version
                // The exact logic/reasoning is not yet understood
                _uninterpretedData = subRecordData;
                subrecords         = null;
                return;
            }
            //if (subRecordData.Length % 2 != 0)
            //{
            //    String msg = "Unexpected length of subRecordData : " + HexDump.ToHex(subRecordData);
            //    throw new RecordFormatException(msg);
            //}
            subrecords = new List <SubRecord>();
            using (MemoryStream bais = new MemoryStream(subRecordData))
            {
                LittleEndianInputStream   subRecStream = new LittleEndianInputStream(bais);
                CommonObjectDataSubRecord cmo          = (CommonObjectDataSubRecord)SubRecord.CreateSubRecord(subRecStream, 0);
                subrecords.Add(cmo);
                while (true)
                {
                    SubRecord subRecord = SubRecord.CreateSubRecord(subRecStream, cmo.ObjectType);
                    subrecords.Add(subRecord);
                    if (subRecord.IsTerminating)
                    {
                        break;
                    }
                }
                int nRemainingBytes = subRecStream.Available();
                if (nRemainingBytes > 0)
                {
                    // At present (Oct-2008), most unit test samples have (subRecordData.length % 2 == 0)
                    _isPaddedToQuadByteMultiple = subRecordData.Length % MAX_PAD_ALIGNMENT == 0;
                    if (nRemainingBytes >= (_isPaddedToQuadByteMultiple ? MAX_PAD_ALIGNMENT : NORMAL_PAD_ALIGNMENT))
                    {
                        if (!CanPaddingBeDiscarded(subRecordData, nRemainingBytes))
                        {
                            String msg = "Leftover " + nRemainingBytes
                                         + " bytes in subrecord data " + HexDump.ToHex(subRecordData);
                            throw new RecordFormatException(msg);
                        }
                        _isPaddedToQuadByteMultiple = false;
                    }
                }
                else
                {
                    _isPaddedToQuadByteMultiple = false;
                }
                _uninterpretedData = null;
            }
        }
コード例 #2
0
ファイル: EscherAggregate.cs プロジェクト: wondaz/hello-world
        private void ConvertGroup(HSSFShapeGroup shape, EscherContainerRecord escherParent, Hashtable shapeToObj)
        {
            EscherContainerRecord  spgrContainer = new EscherContainerRecord();
            EscherContainerRecord  spContainer   = new EscherContainerRecord();
            EscherSpgrRecord       spgr          = new EscherSpgrRecord();
            EscherSpRecord         sp            = new EscherSpRecord();
            EscherOptRecord        opt           = new EscherOptRecord();
            EscherRecord           anchor;
            EscherClientDataRecord clientData = new EscherClientDataRecord();

            spgrContainer.RecordId = EscherContainerRecord.SPGR_CONTAINER;
            spgrContainer.Options  = (short)0x000F;
            spContainer.RecordId   = EscherContainerRecord.SP_CONTAINER;
            spContainer.Options    = (short)0x000F;
            spgr.RecordId          = EscherSpgrRecord.RECORD_ID;
            spgr.Options           = (short)0x0001;
            spgr.RectX1            = shape.X1;
            spgr.RectY1            = shape.Y1;
            spgr.RectX2            = shape.X2;
            spgr.RectY2            = shape.Y2;
            sp.RecordId            = EscherSpRecord.RECORD_ID;
            sp.Options             = (short)0x0002;
            int shapeId = drawingManager.AllocateShapeId(drawingGroupId);

            sp.ShapeId = shapeId;
            if (shape.Anchor is HSSFClientAnchor)
            {
                sp.Flags = EscherSpRecord.FLAG_GROUP | EscherSpRecord.FLAG_HAVEANCHOR;
            }
            else
            {
                sp.Flags = EscherSpRecord.FLAG_GROUP | EscherSpRecord.FLAG_HAVEANCHOR | EscherSpRecord.FLAG_CHILD;
            }
            opt.RecordId = EscherOptRecord.RECORD_ID;
            opt.Options  = (short)0x0023;
            opt.AddEscherProperty(new EscherBoolProperty(EscherProperties.PROTECTION__LOCKAGAINSTGROUPING, 0x00040004));
            opt.AddEscherProperty(new EscherBoolProperty(EscherProperties.GROUPSHAPE__PRINT, 0x00080000));

            anchor = ConvertAnchor.CreateAnchor(shape.Anchor);
            //        clientAnchor.Col1( ( (HSSFClientAnchor) shape.Anchor ).Col1 );
            //        clientAnchor.Row1( (short) ( (HSSFClientAnchor) shape.Anchor ).Row1 );
            //        clientAnchor.Dx1( (short) shape.Anchor.Dx1 );
            //        clientAnchor.Dy1( (short) shape.Anchor.Dy1 );
            //        clientAnchor.Col2( ( (HSSFClientAnchor) shape.Anchor ).Col2 );
            //        clientAnchor.Row2( (short) ( (HSSFClientAnchor) shape.Anchor ).Row2 );
            //        clientAnchor.Dx2( (short) shape.Anchor.Dx2 );
            //        clientAnchor.Dy2( (short) shape.Anchor.Dy2 );
            clientData.RecordId = (EscherClientDataRecord.RECORD_ID);
            clientData.Options  = ((short)0x0000);

            spgrContainer.AddChildRecord(spContainer);
            spContainer.AddChildRecord(spgr);
            spContainer.AddChildRecord(sp);
            spContainer.AddChildRecord(opt);
            spContainer.AddChildRecord(anchor);
            spContainer.AddChildRecord(clientData);

            ObjRecord obj = new ObjRecord();
            CommonObjectDataSubRecord cmo = new CommonObjectDataSubRecord();

            cmo.ObjectType  = CommonObjectType.GROUP;
            cmo.ObjectId    = shapeId;
            cmo.IsLocked    = true;
            cmo.IsPrintable = true;
            cmo.IsAutoFill  = true;
            cmo.IsAutoline  = true;
            GroupMarkerSubRecord gmo = new GroupMarkerSubRecord();
            EndSubRecord         end = new EndSubRecord();

            obj.AddSubRecord(cmo);
            obj.AddSubRecord(gmo);
            obj.AddSubRecord(end);
            shapeToObj[clientData] = obj;

            escherParent.AddChildRecord(spgrContainer);

            ConvertShapes(shape, spgrContainer, shapeToObj);
        }