private void ConvertUserModelToRecords()
{
if (patriarch != null)
{
shapeToObj.Clear();
tailRec.Clear();
ClearEscherRecords();
if (patriarch.Children.Count != 0)
{
ConvertPatriarch(patriarch);
EscherContainerRecord dgContainer = (EscherContainerRecord)GetEscherRecord(0);
EscherContainerRecord spgrContainer = null;
for (int i = 0; i < dgContainer.ChildRecords.Count; i++)
if (dgContainer.GetChild(i).RecordId == EscherContainerRecord.SPGR_CONTAINER)
spgrContainer = (EscherContainerRecord)dgContainer.GetChild(i);
ConvertShapes(patriarch, spgrContainer, shapeToObj);
patriarch = null;
}
}
}
private void ConvertPatriarch(HSSFPatriarch patriarch)
{
EscherContainerRecord dgContainer = new EscherContainerRecord();
EscherDgRecord dg;
EscherContainerRecord spgrContainer = new EscherContainerRecord();
EscherContainerRecord spContainer1 = new EscherContainerRecord();
EscherSpgrRecord spgr = new EscherSpgrRecord();
EscherSpRecord sp1 = new EscherSpRecord();
dgContainer.RecordId=EscherContainerRecord.DG_CONTAINER;
dgContainer.Options=(short)0x000F;
dg = drawingManager.CreateDgRecord();
drawingGroupId = dg.DrawingGroupId;
// dg.Options( (short) ( drawingId << 4 ) );
// dg.NumShapes( GetNumberOfShapes( patriarch ) );
// dg.LastMSOSPID( 0 ); // populated after all shape id's are assigned.
spgrContainer.RecordId=EscherContainerRecord.SPGR_CONTAINER;
spgrContainer.Options=(short)0x000F;
spContainer1.RecordId=EscherContainerRecord.SP_CONTAINER;
spContainer1.Options=(short)0x000F;
spgr.RecordId=EscherSpgrRecord.RECORD_ID;
spgr.Options=(short)0x0001; // version
spgr.RectX1=patriarch.X1;
spgr.RectY1=patriarch.Y1;
spgr.RectX2=patriarch.X2;
spgr.RectY2=patriarch.Y2;
sp1.RecordId=EscherSpRecord.RECORD_ID;
sp1.Options=(short)0x0002;
sp1.ShapeId=drawingManager.AllocateShapeId(dg.DrawingGroupId);
sp1.Flags=EscherSpRecord.FLAG_GROUP | EscherSpRecord.FLAG_PATRIARCH;
dgContainer.AddChildRecord(dg);
dgContainer.AddChildRecord(spgrContainer);
spgrContainer.AddChildRecord(spContainer1);
spContainer1.AddChildRecord(spgr);
spContainer1.AddChildRecord(sp1);
AddEscherRecord(dgContainer);
}
/// <summary>
/// Creates the top-level drawing patriarch. This will have
/// the effect of removing any existing drawings on this
/// _sheet.
/// This may then be used to Add graphics or charts
/// </summary>
/// <returns>The new patriarch.</returns>
public LF.Utils.NPOI.SS.UserModel.IDrawing CreateDrawingPatriarch()
{
if (_patriarch == null)
{
// Create the drawing group if it doesn't already exist.
_workbook.InitDrawings();
if (_patriarch == null)
{
_sheet.AggregateDrawingRecords(book.DrawingManager, true);
EscherAggregate agg = (EscherAggregate)_sheet.FindFirstRecordBySid(EscherAggregate.sid);
_patriarch = new HSSFPatriarch(this, agg);
agg.Patriarch=(_patriarch);
}
}
return _patriarch;
}
