public void WritePolylineTest()
{
var file = new DxfFile();
file.Header.Version = DxfAcadVersion.R2000; // owner handles only present on R2000+
var poly = new DxfPolyline();
poly.Vertices.Add(new DxfVertex());
poly.Vertices.Add(new DxfVertex());
file.Entities.Add(poly);
VerifyFileContains(file, @"
0
SECTION
2
ENTITIES
0
POLYLINE
5
A
330
0
100
AcDbEntity
8
0
370
0
100
AcDb2dPolyline
10
0.0
20
0.0
30
0.0
0
VERTEX
5
B
330
A
100
AcDbEntity
8
0
370
0
100
AcDbVertex
10
0.0
20
0.0
30
0.0
70
0
50
0.0
0
VERTEX
5
C
330
A
100
AcDbEntity
8
0
370
0
100
AcDbVertex
10
0.0
20
0.0
30
0.0
70
0
50
0.0
0
SEQEND
5
D
330
A
100
AcDbEntity
8
0
370
0
0
ENDSEC
");
}
internal static DxfEntity FromBuffer(DxfCodePairBufferReader buffer)
{
var first = buffer.Peek();
buffer.Advance();
DxfEntity entity;
switch (first.StringValue)
{
case "3DFACE":
entity = new Dxf3DFace();
break;
case "3DSOLID":
entity = new Dxf3DSolid();
break;
case "ACAD_PROXY_ENTITY":
entity = new DxfProxyEntity();
break;
case "ARC":
entity = new DxfArc();
break;
case "ARCALIGNEDTEXT":
entity = new DxfArcAlignedText();
break;
case "ATTDEF":
entity = new DxfAttributeDefinition();
break;
case "ATTRIB":
entity = new DxfAttribute();
break;
case "BODY":
entity = new DxfBody();
break;
case "CIRCLE":
entity = new DxfCircle();
break;
case "DIMENSION":
entity = new DxfDimensionBase();
break;
case "ELLIPSE":
entity = new DxfEllipse();
break;
case "HELIX":
entity = new DxfHelix();
break;
case "IMAGE":
entity = new DxfImage();
break;
case "INSERT":
entity = new DxfInsert();
break;
case "LEADER":
entity = new DxfLeader();
break;
case "LIGHT":
entity = new DxfLight();
break;
case "LINE":
case "3DLINE":
entity = new DxfLine();
break;
case "LWPOLYLINE":
entity = new DxfLwPolyline();
break;
case "MLINE":
entity = new DxfMLine();
break;
case "MLEADERSTYLE":
entity = new DxfMLeaderStyle();
break;
case "MTEXT":
entity = new DxfMText();
break;
case "OLEFRAME":
entity = new DxfOleFrame();
break;
case "OLE2FRAME":
entity = new DxfOle2Frame();
break;
case "POINT":
entity = new DxfModelPoint();
break;
case "POLYLINE":
entity = new DxfPolyline();
break;
case "RAY":
entity = new DxfRay();
break;
case "REGION":
entity = new DxfRegion();
break;
case "RTEXT":
entity = new DxfRText();
break;
case "SECTION":
entity = new DxfEntitySection();
break;
case "SEQEND":
entity = new DxfSeqend();
break;
case "SHAPE":
entity = new DxfShape();
break;
case "SOLID":
entity = new DxfSolid();
break;
case "SPLINE":
entity = new DxfSpline();
break;
case "SUN":
entity = new DxfSun();
break;
case "TEXT":
entity = new DxfText();
break;
case "TOLERANCE":
entity = new DxfTolerance();
break;
case "TRACE":
entity = new DxfTrace();
break;
case "UNDERLAY":
entity = new DxfUnderlay();
break;
case "DGNUNDERLAY":
entity = new DxfDgnUnderlay();
break;
case "DWFUNDERLAY":
entity = new DxfDwfUnderlay();
break;
case "PDFUNDERLAY":
entity = new DxfPdfUnderlay();
break;
case "VERTEX":
entity = new DxfVertex();
break;
case "WIPEOUT":
entity = new DxfWipeout();
break;
case "XLINE":
entity = new DxfXLine();
break;
default:
SwallowEntity(buffer);
entity = null;
break;
}
if (entity != null)
{
entity = entity.PopulateFromBuffer(buffer);
}
return entity;
}
internal static DxfEntity FromBuffer(DxfCodePairBufferReader buffer)
{
var first = buffer.Peek();
buffer.Advance();
DxfEntity entity;
switch (first.StringValue)
{
case "3DFACE":
entity = new Dxf3DFace();
break;
case "3DSOLID":
entity = new Dxf3DSolid();
break;
case "ACAD_PROXY_ENTITY":
entity = new DxfProxyEntity();
break;
case "ARC":
entity = new DxfArc();
break;
case "ARCALIGNEDTEXT":
entity = new DxfArcAlignedText();
break;
case "ATTDEF":
entity = new DxfAttributeDefinition();
break;
case "ATTRIB":
entity = new DxfAttribute();
break;
case "BODY":
entity = new DxfBody();
break;
case "CIRCLE":
entity = new DxfCircle();
break;
case "DIMENSION":
entity = new DxfDimensionBase();
break;
case "ELLIPSE":
entity = new DxfEllipse();
break;
case "HELIX":
entity = new DxfHelix();
break;
case "IMAGE":
entity = new DxfImage();
break;
case "INSERT":
entity = new DxfInsert();
break;
case "LEADER":
entity = new DxfLeader();
break;
case "LIGHT":
entity = new DxfLight();
break;
case "LINE":
case "3DLINE":
entity = new DxfLine();
break;
case "LWPOLYLINE":
entity = new DxfLwPolyline();
break;
case "MLINE":
entity = new DxfMLine();
break;
case "MTEXT":
entity = new DxfMText();
break;
case "OLEFRAME":
entity = new DxfOleFrame();
break;
case "OLE2FRAME":
entity = new DxfOle2Frame();
break;
case "POINT":
entity = new DxfModelPoint();
break;
case "POLYLINE":
entity = new DxfPolyline();
break;
case "RAY":
entity = new DxfRay();
break;
case "REGION":
entity = new DxfRegion();
break;
case "RTEXT":
entity = new DxfRText();
break;
case "SECTION":
entity = new DxfEntitySection();
break;
case "SEQEND":
entity = new DxfSeqend();
break;
case "SHAPE":
entity = new DxfShape();
break;
case "SOLID":
entity = new DxfSolid();
break;
case "SPLINE":
entity = new DxfSpline();
break;
case "TEXT":
entity = new DxfText();
break;
case "TOLERANCE":
entity = new DxfTolerance();
break;
case "TRACE":
entity = new DxfTrace();
break;
case "UNDERLAY":
entity = new DxfUnderlay();
break;
case "DGNUNDERLAY":
entity = new DxfDgnUnderlay();
break;
case "DWFUNDERLAY":
entity = new DxfDwfUnderlay();
break;
case "PDFUNDERLAY":
entity = new DxfPdfUnderlay();
break;
case "VERTEX":
entity = new DxfVertex();
break;
case "WIPEOUT":
entity = new DxfWipeout();
break;
case "XLINE":
entity = new DxfXLine();
break;
default:
SwallowEntity(buffer);
entity = null;
break;
}
if (entity != null)
{
entity = entity.PopulateFromBuffer(buffer);
}
return(entity);
}
private void WritePolyline(DxfPolyline polyline)
{
WriteItemType(DxbItemType.Polyline);
WriteW((short)(polyline.IsClosed ? 1 : 0));
foreach (var vertex in polyline.Vertices)
{
WriteVertex(vertex);
}
WriteSeqend();
}