internal void Write(BitWriter writer, DwgObjectMap objectMap, HashSet <int> writtenHandles, int pointerOffset, DwgVersionId version)
{
if (!writtenHandles.Add(Handle.HandleOrOffset))
{
// already been written
return;
}
PrepareCommonValues();
OnBeforeObjectWrite();
SetCommonValues();
objectMap.SetOffset(Handle.HandleOrOffset, writer.Position);
// write object to memory so the size can be computed
using (var ms = new MemoryStream())
{
var tempWriter = new BitWriter(ms);
tempWriter.Write_BS((short)Type);
WriteCommonDataStart(tempWriter, objectMap, pointerOffset);
WriteSpecific(tempWriter, objectMap, pointerOffset, version);
WriteCommonDataEnd(tempWriter, objectMap, pointerOffset);
var tempBytes = tempWriter.AsBytes();
// now output everything
writer.StartCrcCalculation(initialValue: DwgHeaderVariables.InitialCrcValue);
writer.Write_MS(tempBytes.Length);
writer.WriteBytes(tempBytes);
writer.WriteCrc();
}
foreach (var child in ChildItems)
{
child.Write(writer, objectMap, writtenHandles, pointerOffset, version);
}
}
internal override void WriteCommonDataEnd(BitWriter writer, DwgObjectMap objectMap, int pointerOffset)
{
if (_entityMode == 0)
{
writer.Write_H(_subentityRef);
}
for (int i = 0; i < _reactorCount; i++)
{
writer.Write_H(_reactorHandles[i]);
}
writer.Write_H(_xDictionaryObjectHandle);
writer.Write_H(LayerHandle);
if (!_isLineTypeByLayer)
{
writer.Write_H(LineTypeHandle);
}
if (!_noLinks)
{
writer.Write_H(PreviousEntityHandle);
}
if (!_noLinks)
{
writer.Write_H(NextEntityHandle);
}
}
internal void AssignHandles(DwgObjectMap objectMap)
{
objectMap.AssignHandle(this);
foreach (var child in ChildItems)
{
child.AssignHandles(objectMap);
}
}
internal virtual void WriteCommonDataStart(BitWriter writer, DwgObjectMap objectMap, int pointerOffset)
{
writer.Write_H(Handle);
writer.Write_BS((short)_xData.Length);
writer.Write_Bytes(_xData);
writer.Write_RL(_objectSize);
writer.Write_BL(_reactorCount);
}
internal override void WriteCommonDataStart(BitWriter writer, DwgObjectMap objectMap, int pointerOffset)
{
writer.Write_H(Handle);
writer.Write_BS((short)_xData.Length);
writer.Write_Bytes(_xData);
writer.Write_B(_isGraphicPresent);
if (_isGraphicPresent)
{
writer.Write_RL(_graphicsData.Length);
writer.Write_Bytes(_graphicsData);
}
writer.Write_RL(_objectSize);
writer.Write_BB(_entityMode);
writer.Write_BL(_reactorCount);
writer.Write_B(_isLineTypeByLayer);
writer.Write_B(_noLinks);
writer.Write_BS(Color.RawValue);
writer.Write_BD(LineTypeScale);
writer.Write_BS(_invisibility);
}
internal override void WriteSpecific(BitWriter writer, DwgObjectMap objectMap, int pointerOffset, DwgVersionId version)
{
writer.Write_T(Name);
writer.Write_T(Description);
writer.Write_BS(Flags);
writer.Write_BS(FillColor.RawValue);
writer.Write_BD(StartAngle);
writer.Write_BD(EndAngle);
writer.Write_RC(_lineStyleCount);
for (int i = 0; i < _lineStyleCount; i++)
{
writer.Write_BD(_lineStyleOffsets[i]);
writer.Write_BS(_lineStyleColors[i]);
writer.Write_BS(_lineStyleLineTypeIndicies[i]);
}
writer.Write_H(_parentHandle);
for (int i = 0; i < _reactorCount; i++)
{
writer.Write_H(_reactorHandles[i]);
}
writer.Write_H(_xDictionaryObjectHandle);
}
internal override void WriteSpecific(BitWriter writer, DwgObjectMap objectMap, int pointerOffset, DwgVersionId version)
{
writer.Write_T(Name);
writer.Write_B(_64flag);
writer.Write_BS(_xrefIndex);
writer.Write_B(_isDependentOnXRef);
writer.Write_T(Description);
writer.Write_BD(PatternLength);
writer.Write_RC((byte)_alignment);
writer.Write_RC((byte)DashInfos.Count);
foreach (var dashInfo in DashInfos)
{
dashInfo.Write(writer);
}
writer.Write_H(LineTypeControlHandle);
foreach (var reactorHandle in _reactorHandles)
{
writer.Write_H(reactorHandle);
}
writer.Write_H(_xDictionaryObjectHandle);
writer.Write_H(_nullHandle);
}
internal virtual void WriteCommonDataEnd(BitWriter writer, DwgObjectMap objectMap, int pointerOffset)
{
}
internal abstract void WriteSpecific(BitWriter writer, DwgObjectMap objectMap, int pointerOffset, DwgVersionId version);
