/** * @return the next available record, or <code>null</code> if * this pass didn't return a record that's * suitable for returning (eg was a continue record). */ private Record ReadNextRecord() { Record record = RecordFactory.CreateSingleRecord(_recStream); _lastRecordWasEOFLevelZero = false; if (record is BOFRecord) { _bofDepth++; return(record); } if (record is EOFRecord) { _bofDepth--; if (_bofDepth < 1) { _lastRecordWasEOFLevelZero = true; } return(record); } if (record is DBCellRecord) { // Not needed by POI. Regenerated from scratch by POI when spreadsheet is written return(null); } if (record is RKRecord) { return(RecordFactory.ConvertToNumberRecord((RKRecord)record)); } if (record is MulRKRecord) { Record[] records = RecordFactory.ConvertRKRecords((MulRKRecord)record); _unreadRecordBuffer = records; _unreadRecordIndex = 1; return(records[0]); } if (record.Sid == DrawingGroupRecord.sid && _lastRecord is DrawingGroupRecord) { DrawingGroupRecord lastDGRecord = (DrawingGroupRecord)_lastRecord; lastDGRecord.Join((AbstractEscherHolderRecord)record); return(null); } if (record.Sid == ContinueRecord.sid) { ContinueRecord contRec = (ContinueRecord)record; if (_lastRecord is ObjRecord || _lastRecord is TextObjectRecord) { // Drawing records have a very strange continue behaviour. //There can actually be OBJ records mixed between the continues. _lastDrawingRecord.ProcessContinueRecord(contRec.Data); //we must remember the position of the continue record. //in the serialization procedure the original structure of records must be preserved if (_shouldIncludeContinueRecords) { return(record); } return(null); } if (_lastRecord is DrawingGroupRecord) { ((DrawingGroupRecord)_lastRecord).ProcessContinueRecord(contRec.Data); return(null); } if (_lastRecord is DrawingRecord) { ((DrawingRecord)_lastRecord).ProcessContinueRecord(contRec.Data); return(null); } if (_lastRecord is UnknownRecord) { //Gracefully handle records that we don't know about, //that happen to be continued return(record); } if (_lastRecord is EOFRecord) { // This is really odd, but excel still sometimes // outPuts a file like this all the same return(record); } //if (_lastRecord is StringRecord) //{ // ((StringRecord)_lastRecord).ProcessContinueRecord(contRec.Data); // return null; //} throw new RecordFormatException("Unhandled Continue Record"); } _lastRecord = record; if (record is DrawingRecord) { _lastDrawingRecord = (DrawingRecord)record; } return(record); }
/** * Creates a primary drawing Group record. If it already * exists then it's modified. */ public void CreateDrawingGroup() { if (drawingManager == null) { EscherContainerRecord dggContainer = new EscherContainerRecord(); EscherDggRecord dgg = new EscherDggRecord(); EscherOptRecord opt = new EscherOptRecord(); EscherSplitMenuColorsRecord splitMenuColors = new EscherSplitMenuColorsRecord(); dggContainer.RecordId=unchecked((short)0xF000); dggContainer.Options=(short)0x000F; dgg.RecordId=EscherDggRecord.RECORD_ID; dgg.Options=(short)0x0000; dgg.ShapeIdMax=1024; dgg.NumShapesSaved=0; dgg.DrawingsSaved=0; dgg.FileIdClusters=new EscherDggRecord.FileIdCluster[] { }; drawingManager = new DrawingManager2(dgg); EscherContainerRecord bstoreContainer = null; if (escherBSERecords.Count > 0) { bstoreContainer = new EscherContainerRecord(); bstoreContainer.RecordId=EscherContainerRecord.BSTORE_CONTAINER; bstoreContainer.Options=(short)((escherBSERecords.Count << 4) | 0xF); for (IEnumerator iterator = escherBSERecords.GetEnumerator(); iterator.MoveNext(); ) { EscherRecord escherRecord = (EscherRecord)iterator.Current; bstoreContainer.AddChildRecord(escherRecord); } } opt.RecordId=unchecked((short)0xF00B); opt.Options=(short)0x0033; opt.AddEscherProperty(new EscherBoolProperty(EscherProperties.TEXT__SIZE_TEXT_TO_FIT_SHAPE, 524296)); opt.AddEscherProperty(new EscherRGBProperty(EscherProperties.Fill__FillCOLOR, 0x08000041)); opt.AddEscherProperty(new EscherRGBProperty(EscherProperties.LINESTYLE__COLOR, 134217792)); splitMenuColors.RecordId=unchecked((short)0xF11E); splitMenuColors.Options=(short)0x0040; splitMenuColors.Color1=0x0800000D; splitMenuColors.Color2=0x0800000C; splitMenuColors.Color3=0x08000017; splitMenuColors.Color4=0x100000F7; dggContainer.AddChildRecord(dgg); if (bstoreContainer != null) dggContainer.AddChildRecord(bstoreContainer); dggContainer.AddChildRecord(opt); dggContainer.AddChildRecord(splitMenuColors); int dgLoc = FindFirstRecordLocBySid(DrawingGroupRecord.sid); if (dgLoc == -1) { DrawingGroupRecord drawingGroup = new DrawingGroupRecord(); drawingGroup.AddEscherRecord(dggContainer); int loc = FindFirstRecordLocBySid(CountryRecord.sid); Records.Insert(loc + 1, drawingGroup); } else { DrawingGroupRecord drawingGroup = new DrawingGroupRecord(); drawingGroup.AddEscherRecord(dggContainer); Records[dgLoc]= drawingGroup; } } }