private int _currentPoint = -1; // текущая загружаемая точка. нужна только для загрузки
public override void TakeNode(DxfNode node)
{
base.TakeNode(node);
switch (node.TypeCode)
{
case 10:
_currentPoint++;
Points[_currentPoint].X = (double)node.Value;
break;
case 20:
Points[_currentPoint].Y = (double)node.Value;
break;
case 30:
Points[_currentPoint].Z = (double)node.Value;
break;
case 43:
Width = (double)node.Value;
break;
case 70:
Closed = ((short)node.Value == 1);
break;
case 90: // количество точек
Points = new Point3D[(int)node.Value];
break;
}
}
public override void TakeNode(DxfNode node)
{
base.TakeNode(node);
switch (node.TypeCode)
{
case 50:
StartAngle = (double)node.Value;
break;
case 51:
EndAngle = (double)node.Value;
break;
case 210:
ExtrusionDirection.X = (double)node.Value;
break;
case 220:
ExtrusionDirection.Y = (double)node.Value;
break;
case 230:
ExtrusionDirection.Z = (double)node.Value;
break;
}
}
public virtual void TakeNode(DxfNode node)
{
if (node.TypeCode == 8)
{
Layer = (string)node.Value;
}
}
public static LinkedList <AcDbEntity> Load(TextReader reader)
{
LinkedList <AcDbEntity> result = new LinkedList <AcDbEntity>();
State state = State.Start;
AcDbEntity entity = null;
DxfReader rdr = new DxfReader(reader);
while (!rdr.IsEof)
{
DxfNode node = rdr.Read();
if (state == State.Start || node.TypeCode == 0)
{
// завершаем текущее состояние
if (state != State.Start && node.TypeCode == 0)
{
state = State.Start;
}
if (node.TypeCode == 0)
{
switch ((string)node.Value)
{
case "LWPOLYLINE":
entity = new AcDbPolyline();
result.AddLast(entity);
state = State.Entity;
break;
case "LINE":
entity = new AcDbLine();
result.AddLast(entity);
state = State.Entity;
break;
case "CIRCLE":
entity = new AcDbCircle();
result.AddLast(entity);
state = State.Entity;
break;
case "ARC":
entity = new AcDbArc();
result.AddLast(entity);
state = State.Entity;
break;
}
}
}
else if (state == State.Entity)
{
entity.TakeNode(node);
}
}
return(result);
}
public override void TakeNode(DxfNode node)
{
base.TakeNode(node);
switch (node.TypeCode)
{
case 10:
StartPoint.X = (double)node.Value;
break;
case 20:
StartPoint.Y = (double)node.Value;
break;
case 30:
StartPoint.Z = (double)node.Value;
break;
case 11:
EndPoint.X = (double)node.Value;
break;
case 21:
EndPoint.Y = (double)node.Value;
break;
case 31:
EndPoint.Z = (double)node.Value;
break;
case 39:
Thickness = (double)node.Value;
break;
case 210:
ExtrusionDirection.X = (double)node.Value;
break;
case 220:
ExtrusionDirection.Y = (double)node.Value;
break;
case 230:
ExtrusionDirection.Z = (double)node.Value;
break;
}
}
public override void TakeNode(DxfNode node)
{
base.TakeNode(node);
switch (node.TypeCode)
{
case 10:
Center.X = (double)node.Value;
break;
case 20:
Center.Y = (double)node.Value;
break;
case 30:
Center.Z = (double)node.Value;
break;
case 39:
Thickness = (double)node.Value;
break;
case 40:
Radius = (double)node.Value;
break;
case 210:
ExtrusionDirection.X = (double)node.Value;
break;
case 220:
ExtrusionDirection.Y = (double)node.Value;
break;
case 230:
ExtrusionDirection.Z = (double)node.Value;
break;
}
}
