public void TestReadContinued() { //simulate a continues Drawing record MemoryStream out1 = new MemoryStream(); //main part DrawingRecord dg = new DrawingRecord(); byte[] data1 = new byte[8224]; Arrays.Fill(data1, (byte)1); dg.Data = (/*setter*/data1); byte[] dataX = dg.Serialize(); out1.Write(dataX, 0, dataX.Length); //continued part byte[] data2 = new byte[4048]; Arrays.Fill(data2, (byte)2); ContinueRecord cn = new ContinueRecord(data2); dataX = cn.Serialize(); out1.Write(dataX, 0, dataX.Length); List<Record> rec = RecordFactory.CreateRecords(new MemoryStream(out1.ToArray())); Assert.AreEqual(2, rec.Count); Assert.IsTrue(rec[0] is DrawingRecord); Assert.IsTrue(rec[1] is ContinueRecord); Assert.IsTrue(Arrays.Equals(data1, ((DrawingRecord)rec[0]).Data)); Assert.IsTrue(Arrays.Equals(data2, ((ContinueRecord)rec[1]).Data)); }
public void TestReadContinued() { //simulate a continues Drawing record MemoryStream out1 = new MemoryStream(); //main part DrawingRecord dg = new DrawingRecord(); byte[] data1 = new byte[8224]; Arrays.Fill(data1, (byte)1); dg.Data = (/*setter*/data1); byte[] dataX = dg.Serialize(); out1.Write(dataX, 0, dataX.Length); //continued part byte[] data2 = new byte[4048]; Arrays.Fill(data2, (byte)2); ContinueRecord cn = new ContinueRecord(data2); dataX = cn.Serialize(); out1.Write(dataX, 0, dataX.Length); List<Record> rec = RecordFactory.CreateRecords(new MemoryStream(out1.ToArray())); Assert.AreEqual(1, rec.Count); Assert.IsTrue(rec[0] is DrawingRecord); //DrawingRecord.Data should return concatenated data1 and data2 byte[] tmp = new byte[data1.Length + data2.Length]; Array.Copy(data1, 0, tmp, 0, data1.Length); Array.Copy(data2, 0, tmp, data1.Length, data2.Length); DrawingRecord dg2 = (DrawingRecord)rec[(0)]; Assert.AreEqual(data1.Length + data2.Length, dg2.Data.Length); Assert.IsTrue(Arrays.Equals(tmp, dg2.Data)); }
private static RecordInputStream ConvertToInputStream(DrawingRecord r) { byte[] data = r.Serialize(); RecordInputStream rinp = new RecordInputStream( new MemoryStream(data) ); rinp.NextRecord(); return rinp; }
private static RecordInputStream ConvertToInputStream(DrawingRecord r) { byte[] data = r.Serialize(); using (MemoryStream ms = new MemoryStream(data)) { RecordInputStream rinp = new RecordInputStream(ms); rinp.NextRecord(); return(rinp); } }
/** * @param drawingData - escher records saved into single byte array * @param writtenEscherBytes - count of bytes already saved into drawing records (we should know it to decide create * drawing or continue record) * @param pos current position of data array * @param data - array of bytes where drawing records must be serialized * @param i - number of shape, saved into data array * @return offset of data array after serialization */ private int WriteDataIntoDrawingRecord(byte[] drawingData, int writtenEscherBytes, int pos, byte[] data, int i) { int temp = 0; //First record in drawing layer MUST be DrawingRecord if (writtenEscherBytes + drawingData.Length > RecordInputStream.MAX_RECORD_DATA_SIZE && i != 1) { for (int j = 0; j < drawingData.Length; j += RecordInputStream.MAX_RECORD_DATA_SIZE) { byte[] buf = new byte[Math.Min(RecordInputStream.MAX_RECORD_DATA_SIZE, drawingData.Length - j)]; System.Array.Copy(drawingData, j, buf, 0, Math.Min(RecordInputStream.MAX_RECORD_DATA_SIZE, drawingData.Length - j)); ContinueRecord drawing = new ContinueRecord(buf); temp += drawing.Serialize(pos + temp, data); } } else { for (int j = 0; j < drawingData.Length; j += RecordInputStream.MAX_RECORD_DATA_SIZE) { if (j == 0) { DrawingRecord drawing = new DrawingRecord(); byte[] buf = new byte[Math.Min(RecordInputStream.MAX_RECORD_DATA_SIZE, drawingData.Length - j)]; System.Array.Copy(drawingData, j, buf, 0, Math.Min(RecordInputStream.MAX_RECORD_DATA_SIZE, drawingData.Length - j)); drawing.Data = (buf); temp += drawing.Serialize(pos + temp, data); } else { byte[] buf = new byte[Math.Min(RecordInputStream.MAX_RECORD_DATA_SIZE, drawingData.Length - j)]; System.Array.Copy(drawingData, j, buf, 0, Math.Min(RecordInputStream.MAX_RECORD_DATA_SIZE, drawingData.Length - j)); ContinueRecord drawing = new ContinueRecord(buf); temp += drawing.Serialize(pos + temp, data); } } } return temp; }
/** * Serializes this aggregate to a byte array. Since this Is an aggregate * record it will effectively Serialize the aggregated records. * * @param offset The offset into the start of the array. * @param data The byte array to Serialize to. * @return The number of bytes Serialized. */ public override int Serialize(int offset, byte [] data) { ConvertUserModelToRecords(); // Determine buffer size IList records = EscherRecords; int size = GetEscherRecordSize(records); byte[] buffer = new byte[size]; // Serialize escher records into one big data structure and keep note of ending offsets. spEndingOffsets = new ArrayList(); shapes = new ArrayList(); int pos = 0; for (IEnumerator iterator = records.GetEnumerator(); iterator.MoveNext(); ) { EscherRecord e = (EscherRecord)iterator.Current; pos += e.Serialize(pos, buffer, new SerializationListener(ref spEndingOffsets,ref shapes)); } // todo: fix this shapes.Insert(0, null); spEndingOffsets.Insert(0, null); // Split escher records into Separate MSODRAWING and OBJ, TXO records. (We don't break on // the first one because it's the patriach). pos = offset; for (int i = 1; i < shapes.Count; i++) { int endOffset = (int)spEndingOffsets[i] - 1; int startOffset; if (i == 1) startOffset = 0; else startOffset = (int)spEndingOffsets[i - 1]; // Create and Write a new MSODRAWING record DrawingRecord drawing = new DrawingRecord(); byte[] drawingData = new byte[endOffset - startOffset + 1]; Array.Copy(buffer, startOffset, drawingData, 0, drawingData.Length); drawing.Data=drawingData; int temp = drawing.Serialize(pos, data); pos += temp; // Write the matching OBJ record Record obj = (Record)shapeToObj[shapes[i]]; temp = obj.Serialize(pos, data); pos += temp; } // Write records that need to be Serialized after all drawing Group records for (int i = 0; i < tailRec.Count; i++) { Record rec = (Record)tailRec[i]; pos += rec.Serialize(pos, data); } int bytesWritten = pos - offset; if (bytesWritten != RecordSize) throw new RecordFormatException(bytesWritten + " bytes written but RecordSize reports " + RecordSize); return bytesWritten; }
/** * Serializes this aggregate to a byte array. Since this Is an aggregate * record it will effectively Serialize the aggregated records. * * @param offset The offset into the start of the array. * @param data The byte array to Serialize to. * @return The number of bytes Serialized. */ public override int Serialize(int offset, byte [] data) { ConvertUserModelToRecords(); // Determine buffer size IList records = EscherRecords; int size = GetEscherRecordSize(records); byte[] buffer = new byte[size]; // Serialize escher records into one big data structure and keep note of ending offsets. spEndingOffsets = new ArrayList(); shapes = new ArrayList(); int pos = 0; for (IEnumerator iterator = records.GetEnumerator(); iterator.MoveNext();) { EscherRecord e = (EscherRecord)iterator.Current; pos += e.Serialize(pos, buffer, new SerializationListener(ref spEndingOffsets, ref shapes)); } // todo: fix this shapes.Insert(0, null); spEndingOffsets.Insert(0, null); // Split escher records into Separate MSODRAWING and OBJ, TXO records. (We don't break on // the first one because it's the patriach). pos = offset; for (int i = 1; i < shapes.Count; i++) { int endOffset = (int)spEndingOffsets[i] - 1; int startOffset; if (i == 1) { startOffset = 0; } else { startOffset = (int)spEndingOffsets[i - 1]; } // Create and Write a new MSODRAWING record DrawingRecord drawing = new DrawingRecord(); byte[] drawingData = new byte[endOffset - startOffset + 1]; Array.Copy(buffer, startOffset, drawingData, 0, drawingData.Length); drawing.Data = drawingData; int temp = drawing.Serialize(pos, data); pos += temp; // Write the matching OBJ record Record obj = (Record)shapeToObj[shapes[i]]; temp = obj.Serialize(pos, data); pos += temp; } // Write records that need to be Serialized after all drawing Group records for (int i = 0; i < tailRec.Count; i++) { Record rec = (Record)tailRec[i]; pos += rec.Serialize(pos, data); } int bytesWritten = pos - offset; if (bytesWritten != RecordSize) { throw new RecordFormatException(bytesWritten + " bytes written but RecordSize reports " + RecordSize); } return(bytesWritten); }