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);
}
}
/**
* 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);
}