//--------------------------------------------------------------------------------------------------
void _ImportEntity(DxfDomEntity entity)
{
switch (entity)
{
case DxfDomLine line:
_ImportLine(line);
break;
case DxfDomCircle circle:
if (circle.IsArc)
{
_ImportArc(circle);
}
else
{
_ImportCircle(circle);
}
break;
case DxfDomEllipse ellipse:
if (ellipse.IsArc)
{
_ImportEllipticalArc(ellipse);
}
else
{
_ImportEllipse(ellipse);
}
break;
case DxfDomLwPolyline lwPolyline:
_ImportLwPolyline(lwPolyline);
break;
case DxfDomPolyline polyline:
_ImportPolyline(polyline);
break;
case DxfDomSpline spline:
_ImportSpline(spline);
break;
default:
Messages.Warning($"Imported DXF entity is of unsupported type {entity.GetType().Name}.");
break;
}
}
//--------------------------------------------------------------------------------------------------
void _ReadEntities(DxfReader reader)
{
while (reader.GroupCode >= 0)
{
if (reader.GroupCode != 0)
{
reader.Skip();
continue;
}
var type = reader.ReadString()?.ToUpper();
if (type == null)
{
continue;
}
DxfDomEntity entity = null;
switch (type)
{
case "ENDSEC":
return;
case "LINE":
entity = new DxfDomLine();
break;
case "CIRCLE":
case "ARC":
entity = new DxfDomCircle();
break;
case "ELLIPSE":
entity = new DxfDomEllipse();
break;
case "LWPOLYLINE":
entity = new DxfDomLwPolyline();
break;
case "POLYLINE":
entity = new DxfDomPolyline();
break;
case "SPLINE":
entity = new DxfDomSpline();
break;
}
if (entity == null)
{
continue;
}
if (entity.Read(reader))
{
Entities.Add(entity);
}
else
{
Messages.Error($"DxfReader: Incomplete entity description at line {reader.Line}.");
}
}
}