/// <summary>
/// Creates a polygon
/// </summary>
/// <param name="anchor">the client anchor describes how this Group Is attached
/// to the sheet.</param>
/// <returns>the newly Created shape.</returns>
public HSSFPolygon CreatePolygon(HSSFChildAnchor anchor)
{
HSSFPolygon shape = new HSSFPolygon(this, anchor);
shape.Anchor = anchor;
shapes.Add(shape);
return shape;
}
/// <summary>
/// Creates the lowerlevel escher records for this shape.
/// </summary>
/// <param name="hssfShape">The HSSF shape.</param>
/// <param name="shapeId">The shape id.</param>
/// <returns></returns>
private EscherContainerRecord CreateSpContainer(HSSFPolygon hssfShape, int shapeId)
{
HSSFShape shape = hssfShape;
EscherContainerRecord spContainer = new EscherContainerRecord();
EscherSpRecord sp = new EscherSpRecord();
EscherOptRecord opt = new EscherOptRecord();
EscherClientDataRecord clientData = new EscherClientDataRecord();
spContainer.RecordId=EscherContainerRecord.SP_CONTAINER;
spContainer.Options=(short)0x000F;
sp.RecordId=EscherSpRecord.RECORD_ID;
sp.Options=(short)((EscherAggregate.ST_DONUT << 4) | 0x2);
sp.ShapeId=shapeId;
if (hssfShape.Parent == null)
sp.Flags=EscherSpRecord.FLAG_HAVEANCHOR | EscherSpRecord.FLAG_HASSHAPETYPE;
else
sp.Flags=EscherSpRecord.FLAG_CHILD | EscherSpRecord.FLAG_HAVEANCHOR | EscherSpRecord.FLAG_HASSHAPETYPE;
opt.RecordId=EscherOptRecord.RECORD_ID;
opt.AddEscherProperty(new EscherSimpleProperty(EscherProperties.TRANSFORM__ROTATION, false, false, 0));
opt.AddEscherProperty(new EscherSimpleProperty(EscherProperties.GEOMETRY__RIGHT, false, false, hssfShape.DrawAreaWidth));
opt.AddEscherProperty(new EscherSimpleProperty(EscherProperties.GEOMETRY__BOTTOM, false, false, hssfShape.DrawAreaHeight));
opt.AddEscherProperty(new EscherShapePathProperty(EscherProperties.GEOMETRY__SHAPEPATH, EscherShapePathProperty.COMPLEX));
EscherArrayProperty verticesProp = new EscherArrayProperty(EscherProperties.GEOMETRY__VERTICES, false, new byte[0]);
verticesProp.NumberOfElementsInArray=(hssfShape.XPoints.Length + 1);
verticesProp.NumberOfElementsInMemory=(hssfShape.XPoints.Length + 1);
verticesProp.SizeOfElements=unchecked((short)0xFFF0);
for (int i = 0; i < hssfShape.XPoints.Length; i++)
{
byte[] data = new byte[4];
LittleEndian.PutShort(data, 0, (short)hssfShape.XPoints[i]);
LittleEndian.PutShort(data, 2, (short)hssfShape.YPoints[i]);
verticesProp.SetElement(i, data);
}
int point = hssfShape.XPoints.Length;
byte[] data1 = new byte[4];
LittleEndian.PutShort(data1, 0, (short)hssfShape.XPoints[0]);
LittleEndian.PutShort(data1, 2, (short)hssfShape.YPoints[0]);
verticesProp.SetElement(point, data1);
opt.AddEscherProperty(verticesProp);
EscherArrayProperty segmentsProp = new EscherArrayProperty(EscherProperties.GEOMETRY__SEGMENTINFO, false, null);
segmentsProp.SizeOfElements=(0x0002);
segmentsProp.NumberOfElementsInArray=(hssfShape.XPoints.Length * 2 + 4);
segmentsProp.NumberOfElementsInMemory=(hssfShape.XPoints.Length * 2 + 4);
segmentsProp.SetElement(0, new byte[] { (byte)0x00, (byte)0x40 });
segmentsProp.SetElement(1, new byte[] { (byte)0x00, (byte)0xAC });
for (int i = 0; i < hssfShape.XPoints.Length; i++)
{
segmentsProp.SetElement(2 + i * 2, new byte[] { (byte)0x01, (byte)0x00 });
segmentsProp.SetElement(3 + i * 2, new byte[] { (byte)0x00, (byte)0xAC });
}
segmentsProp.SetElement(segmentsProp.NumberOfElementsInArray - 2, new byte[] { (byte)0x01, (byte)0x60 });
segmentsProp.SetElement(segmentsProp.NumberOfElementsInArray - 1, new byte[] { (byte)0x00, (byte)0x80 });
opt.AddEscherProperty(segmentsProp);
opt.AddEscherProperty(new EscherSimpleProperty(EscherProperties.GEOMETRY__FillOK, false, false, 0x00010001));
opt.AddEscherProperty(new EscherSimpleProperty(EscherProperties.LINESTYLE__LINESTARTARROWHEAD, false, false, 0x0));
opt.AddEscherProperty(new EscherSimpleProperty(EscherProperties.LINESTYLE__LINEENDARROWHEAD, false, false, 0x0));
opt.AddEscherProperty(new EscherSimpleProperty(EscherProperties.LINESTYLE__LINEENDCAPSTYLE, false, false, 0x0));
AddStandardOptions(shape, opt);
EscherRecord anchor = CreateAnchor(shape.Anchor);
clientData.RecordId=(EscherClientDataRecord.RECORD_ID);
clientData.Options=(short)0x0000;
spContainer.AddChildRecord(sp);
spContainer.AddChildRecord(opt);
spContainer.AddChildRecord(anchor);
spContainer.AddChildRecord(clientData);
return spContainer;
}
/// <summary>
/// Creates a polygon
/// </summary>
/// <param name="anchor">the client anchor describes how this Group is attached
/// to the sheet.</param>
/// <returns>the newly Created shape.</returns>
public HSSFPolygon CreatePolygon(IClientAnchor anchor)
{
HSSFPolygon shape = new HSSFPolygon(null, (HSSFAnchor)anchor);
shape.Anchor = (HSSFAnchor)anchor;
AddShape(shape);
return shape;
}
/// <summary>
/// Creates the low evel records for an polygon.
/// </summary>
/// <param name="hssfShape">The highlevel shape.</param>
/// <param name="shapeId">The shape id to use for this shape.</param>
public PolygonShape(HSSFPolygon hssfShape, int shapeId)
{
spContainer = CreateSpContainer(hssfShape, shapeId);
objRecord = CreateObjRecord(hssfShape, shapeId);
}