/**
* Collapses the drawing records into an aggregate.
*/
public static EscherAggregate CreateAggregate(IList records, int locFirstDrawingRecord, DrawingManager2 drawingManager)
{
// Keep track of any shape records Created so we can match them back to the object id's.
// Textbox objects are also treated as shape objects.
IList shapeRecords = new ArrayList();
EscherRecordFactory recordFactory = new CustomEscherRecordFactory(ref shapeRecords);
// Calculate the size of the buffer
EscherAggregate agg = new EscherAggregate(drawingManager);
int loc = locFirstDrawingRecord;
int dataSize = 0;
while (loc + 1 < records.Count &&
GetSid(records, loc) == DrawingRecord.sid &&
IsObjectRecord(records, loc + 1))
{
dataSize += ((DrawingRecord)records[loc]).Data.Length;
loc += 2;
}
// Create one big buffer
byte[] buffer = new byte[dataSize];
int offset = 0;
loc = locFirstDrawingRecord;
while (loc + 1 < records.Count &&
GetSid(records, loc) == DrawingRecord.sid &&
IsObjectRecord(records, loc + 1))
{
DrawingRecord drawingRecord = (DrawingRecord)records[loc];
Array.Copy(drawingRecord.Data, 0, buffer, offset, drawingRecord.Data.Length);
offset += drawingRecord.Data.Length;
loc += 2;
}
// Decode the shapes
// agg.escherRecords = new ArrayList();
int pos = 0;
while (pos < dataSize)
{
EscherRecord r = recordFactory.CreateRecord(buffer, pos);
int bytesRead = r.FillFields(buffer, pos, recordFactory);
agg.AddEscherRecord(r);
pos += bytesRead;
}
// Associate the object records with the shapes
loc = locFirstDrawingRecord;
int shapeIndex = 0;
agg.shapeToObj = new Hashtable();
while (loc + 1 < records.Count &&
GetSid(records, loc) == DrawingRecord.sid &&
IsObjectRecord(records, loc + 1))
{
Record objRecord = (Record)records[loc + 1];
agg.shapeToObj[shapeRecords[shapeIndex++]] = objRecord;
loc += 2;
}
return(agg);
}
/**
* Collapses the drawing records into an aggregate.
* read Drawing, Obj, TxtObj, Note and Continue records into single byte array,
* create Escher tree from byte array, create map <EscherRecord, Record>
*
* @param records - list of all records inside sheet
* @param locFirstDrawingRecord - location of the first DrawingRecord inside sheet
* @return new EscherAggregate create from all aggregated records which belong to drawing layer
*/
public static EscherAggregate CreateAggregate(List<RecordBase> records, int locFirstDrawingRecord)
{
// Keep track of any shape records Created so we can match them back to the object id's.
// Textbox objects are also treated as shape objects.
List<EscherRecord> shapeRecords = new List<EscherRecord>();
IEscherRecordFactory recordFactory = new CustomEscherRecordFactory(shapeRecords);
// Create one big buffer
MemoryStream stream = new MemoryStream();
EscherAggregate agg = new EscherAggregate(false);
int loc = locFirstDrawingRecord;
while (loc + 1 < records.Count
&& (IsDrawingLayerRecord(GetSid(records, loc))))
{
try
{
if (!(GetSid(records, loc) == DrawingRecord.sid || GetSid(records, loc) == ContinueRecord.sid))
{
loc++;
continue;
}
if (GetSid(records, loc) == DrawingRecord.sid)
{
byte[] data = ((DrawingRecord)records[loc]).Data;
stream.Write(data, 0, data.Length);
}
else
{
byte[] data = ((ContinueRecord)records[loc]).Data;
stream.Write(data, 0, data.Length);
}
}
catch (IOException e)
{
throw new RuntimeException("Couldn't get data from drawing/continue records", e);
}
loc++;
}
// Decode the shapes
// agg.escherRecords = new ArrayList();
int pos = 0;
byte[] buffer = stream.ToArray();
while (pos < buffer.Length)
{
EscherRecord r = recordFactory.CreateRecord(buffer, pos);
int bytesRead = r.FillFields(buffer, pos, recordFactory);
agg.AddEscherRecord(r);
pos += bytesRead;
}
// Associate the object records with the shapes
loc = locFirstDrawingRecord + 1;
int shapeIndex = 0;
while (loc < records.Count && IsDrawingLayerRecord(GetSid(records, loc)))
{
if (!IsObjectRecord(records, loc))
{
loc++;
continue;
}
Record objRecord = (Record)records[loc];
agg.shapeToObj[shapeRecords[shapeIndex++]] = objRecord;
loc++;
}
// any NoteRecords that follow the drawing block must be aggregated and and saved in the tailRec collection
//put noterecord into tailsRec
while (loc < records.Count)
{
if (GetSid(records, loc) == NoteRecord.sid)
{
NoteRecord r = (NoteRecord)records[(loc)];
agg.tailRec[r.ShapeId] = r;
}
else
{
break;
}
loc++;
}
int locLastDrawingRecord = loc;
//records.SubList(locFirstDrawingRecord, locLastDrawingRecord).Clear();
records.RemoveRange(locFirstDrawingRecord, locLastDrawingRecord - locFirstDrawingRecord);
records.Insert(locFirstDrawingRecord, agg);
return agg;
}
/**
* Collapses the drawing records into an aggregate.
*/
public static EscherAggregate CreateAggregate(IList records, int locFirstDrawingRecord, DrawingManager2 drawingManager)
{
// Keep track of any shape records Created so we can match them back to the object id's.
// Textbox objects are also treated as shape objects.
IList shapeRecords = new ArrayList();
EscherRecordFactory recordFactory = new CustomEscherRecordFactory(ref shapeRecords);
// Calculate the size of the buffer
EscherAggregate agg = new EscherAggregate(drawingManager);
int loc = locFirstDrawingRecord;
int dataSize = 0;
while (loc + 1 < records.Count
&& GetSid(records, loc) == DrawingRecord.sid
&& IsObjectRecord(records, loc + 1))
{
dataSize += ((DrawingRecord)records[loc]).Data.Length;
loc += 2;
}
// Create one big buffer
byte[] buffer = new byte[dataSize];
int offset = 0;
loc = locFirstDrawingRecord;
while (loc + 1 < records.Count
&& GetSid(records, loc) == DrawingRecord.sid
&& IsObjectRecord(records, loc + 1))
{
DrawingRecord drawingRecord = (DrawingRecord)records[loc];
Array.Copy(drawingRecord.Data, 0, buffer, offset, drawingRecord.Data.Length);
offset += drawingRecord.Data.Length;
loc += 2;
}
// Decode the shapes
// agg.escherRecords = new ArrayList();
int pos = 0;
while (pos < dataSize)
{
EscherRecord r = recordFactory.CreateRecord(buffer, pos);
int bytesRead = r.FillFields(buffer, pos, recordFactory);
agg.AddEscherRecord(r);
pos += bytesRead;
}
// Associate the object records with the shapes
loc = locFirstDrawingRecord;
int shapeIndex = 0;
agg.shapeToObj = new Hashtable();
while (loc + 1 < records.Count
&& GetSid(records, loc) == DrawingRecord.sid
&& IsObjectRecord(records, loc + 1))
{
Record objRecord = (Record)records[loc + 1];
agg.shapeToObj[shapeRecords[shapeIndex++]]= objRecord;
loc += 2;
}
return agg;
}
