internal override void OnBeforeObjectWrite()
{
BlockEntityHandle = new DwgHandleReference(DwgHandleReferenceCode.SoftPointer, Block.Handle.HandleOrOffset);
EndBlockEntityHandle = new DwgHandleReference(DwgHandleReferenceCode.SoftPointer, EndBlock.Handle.HandleOrOffset);
if (Entities.Count == 0)
{
_firstEntityHandle = new DwgHandleReference(DwgHandleReferenceCode.HardPointer, 0);
_lastEntityHandle = new DwgHandleReference(DwgHandleReferenceCode.HardPointer, 0);
}
else
{
_firstEntityHandle = new DwgHandleReference(DwgHandleReferenceCode.HardPointer, Entities[0].Handle.HandleOrOffset);
_lastEntityHandle = new DwgHandleReference(DwgHandleReferenceCode.HardPointer, Entities[Entities.Count - 1].Handle.HandleOrOffset);
for (int i = 0; i < Entities.Count; i++)
{
var currentEntity = Entities[i];
var previousEntity = i == 0
? null
: Entities[i - 1];
var nextEntity = i == Entities.Count - 1
? null
: Entities[i + 1];
currentEntity.PreviousEntityHandle = currentEntity.GetHandleToObject(previousEntity, DwgHandleReferenceCode.HardPointer);
currentEntity.NextEntityHandle = currentEntity.GetHandleToObject(nextEntity, DwgHandleReferenceCode.HardPointer);
AssignEntityMode(currentEntity);
}
}
}
internal override void ReadCommonDataEnd(BitReader reader)
{
if (_entityMode == 0)
{
_subentityRef = reader.Read_H();
}
for (int i = 0; i < _reactorCount; i++)
{
_reactorHandles.Add(reader.Read_H());
}
_xDictionaryObjectHandle = reader.Read_H();
LayerHandle = reader.Read_H();
if (!_isLineTypeByLayer)
{
LineTypeHandle = reader.Read_H();
}
if (!_noLinks)
{
PreviousEntityHandle = reader.Read_H();
}
if (!_noLinks)
{
NextEntityHandle = reader.Read_H();
}
}
internal virtual void ReadCommonDataStart(BitReader reader)
{
Handle = reader.Read_H();
var xDataSize = reader.Read_BS();
_xData = reader.Read_Bytes(xDataSize);
_objectSize = reader.Read_RL();
_reactorCount = reader.Read_BL();
}
internal void ClearHandles()
{
if (Handle.IsEmpty)
{
return;
}
Handle = default(DwgHandleReference);
foreach (var child in ChildItems)
{
child.ClearHandles();
}
}
internal DwgHandleReference GetNavigationHandle(DwgHandleReference destinationHandle)
{
if (destinationHandle.PointsToNull)
{
return(destinationHandle);
}
var handleDistance = destinationHandle.HandleOrOffset - Handle.HandleOrOffset;
switch (handleDistance)
{
case 1:
return(new DwgHandleReference(DwgHandleReferenceCode.HandlePlus1, 0));
case -1:
return(new DwgHandleReference(DwgHandleReferenceCode.HandleMinus1, 0));
default:
return(destinationHandle);
}
}
internal override void OnBeforeObjectWrite()
{
_lineTypeHandle = new DwgHandleReference(DwgHandleReferenceCode.SoftOwner, LineType.Handle.HandleOrOffset);
}
public void RoundTrip_H()
{
var value = new DwgHandleReference(DwgHandleReferenceCode.SoftOwner, 0x05E7);
RoundTrip(writer => writer.Write_H(value), reader => reader.Read_H(), value);
}
