/// <summary>
/// 加载多线段
/// </summary>
/// <param name="line"></param>
/// <param name="type"></param>
/// <returns></returns>
private Element LoadWpLine(LightWeightPolyline line, int type)
{
var lle = new LightWeightPolylineElement();
var tag = line.Layer.Name;
lle.EPoints = new List <EPoint>();
foreach (var point in line.Vertexes)
{
lle.EPoints.Add(new EPoint(point.Location.X - MinX, MaxY - point.Location.Y));
}
var color = GetBrush(line.Color, line.Layer, type);
//lle.Color = color;
if (line.Flags == RTSafe.DxfCore.Entities.PolylineTypeFlags.ClosedPolylineOrClosedPolygonMeshInM)
{
lle.EPoints = lle.EPoints;
//lle.Color = color;
//p.StrokeThickness = GetThickness(line.Thickness);
lle.Tag = tag;
return(lle);
}
lle.EPoint = lle.EPoint;
//lle.Color = color;
//p.StrokeThickness = GetThickness(line.Thickness);
lle.Tag = tag;
return(lle);
}
/// <summary>
/// Saves the database of the actual DxfDocument to a dxf ASCII file.
/// </summary>
/// <param name="file">File name.</param>
/// <param name="dxfVersion">Dxf file <see cref="DxfVersion">version</see>.</param>
public void Save(string file, DxfVersion dxfVersion)
{
ReAsignHandlersAndDefaultObjects();
this.fileName = Path.GetFileNameWithoutExtension(file);
this.version = dxfVersion;
List <Polyline> ellipsePolys = null;
List <IPolyline> lwPolys;
Dictionary <string, List <IEntityObject> > blockEntities;
if (this.version == DxfVersion.AutoCad12)
{
// since AutoCad dxf Version 12 doesn't support ellipses, we will transform them in polylines
ellipsePolys = new List <Polyline>();
foreach (Ellipse ellipse in this.ellipses)
{
Polyline poly = ellipse.ToPolyline(ellipse.CurvePoints);
this.handleCount = poly.AsignHandle(this.handleCount);
ellipsePolys.Add(poly);
}
// since AutoCad dxf Version 12 doesn't support lwpolylines, we will transform them in polylines
lwPolys = new List <IPolyline>();
foreach (IPolyline lwPoly in this.polylines)
{
if (lwPoly is LightWeightPolyline)
{
Polyline poly = ((LightWeightPolyline)lwPoly).ToPolyline();
this.handleCount = poly.AsignHandle(this.handleCount);
lwPolys.Add(poly);
}
else
{
lwPolys.Add(lwPoly);
}
}
// since AutoCad dxf Version 12 doesn't support lwpolylines in blocks, we will transform them in polylines
blockEntities = new Dictionary <string, List <IEntityObject> >();
foreach (Block block in this.blocks.Values)
{
blockEntities.Add(block.Name, new List <IEntityObject>());
foreach (IEntityObject entity in block.Entities)
{
if (entity is LightWeightPolyline)
{
Polyline poly = ((LightWeightPolyline)entity).ToPolyline();
this.handleCount = poly.AsignHandle(this.handleCount);
blockEntities[block.Name].Add(poly);
}
else
{
blockEntities[block.Name].Add(entity);
}
}
}
}
else
{
// since AutoCad dxf Version 12 doesn't support lwpolylines, we will transform them in polylines
lwPolys = new List <IPolyline>();
foreach (IPolyline lwPoly in this.polylines)
{
if ((lwPoly is Polyline))
{
LightWeightPolyline poly = ((Polyline)lwPoly).ToLightWeightPolyline();
this.handleCount = poly.AsignHandle(this.handleCount);
lwPolys.Add(poly);
}
else
{
lwPolys.Add(lwPoly);
}
}
// since latter AutoCad dxf Version doesn't support polylines in blocks, we will transform them in lightweightpolylines
blockEntities = new Dictionary <string, List <IEntityObject> >();
foreach (Block block in this.blocks.Values)
{
blockEntities.Add(block.Name, new List <IEntityObject>());
foreach (IEntityObject entity in block.Entities)
{
if (entity is Polyline)
{
LightWeightPolyline poly = ((Polyline)entity).ToLightWeightPolyline();
this.handleCount = poly.AsignHandle(this.handleCount);
blockEntities[block.Name].Add(poly);
}
else
{
blockEntities[block.Name].Add(entity);
}
}
}
}
CultureInfo cultureInfo = CultureInfo.CurrentCulture;
Thread.CurrentThread.CurrentCulture = CultureInfo.InvariantCulture;
DxfWriter dxfWriter = new DxfWriter(file, dxfVersion);
dxfWriter.Open();
dxfWriter.WriteComment("Dxf file generated by SharpDxf, Copyright(C) 2009 Lomatus, Licensed under LGPL");
//HEADER SECTION
dxfWriter.BeginSection(StringCode.HeaderSection);
dxfWriter.WriteSystemVariable(new HeaderVariable(SystemVariable.DabaseVersion, StringEnum.GetStringValue(this.version)));
dxfWriter.WriteSystemVariable(new HeaderVariable(SystemVariable.HandSeed, Convert.ToString(this.handleCount, 16)));
dxfWriter.EndSection();
////CLASSES SECTION
//dxfWriter.BeginSection(StringCode.ClassesSection);
//dxfWriter.EndSection();
//TABLES SECTION
dxfWriter.BeginSection(StringCode.TablesSection);
//viewport tables
if (this.version != DxfVersion.AutoCad12)
{
dxfWriter.BeginTable(StringCode.ViewPortTable);
foreach (ViewPort vport in this.viewports.Values)
{
dxfWriter.WriteViewPort(vport);
}
dxfWriter.EndTable();
}
//line type tables
dxfWriter.BeginTable(StringCode.LineTypeTable);
foreach (LineType lineType in this.lineTypes.Values)
{
dxfWriter.WriteLineType(lineType);
}
dxfWriter.EndTable();
//layer tables
dxfWriter.BeginTable(StringCode.LayerTable);
foreach (Layer layer in this.layers.Values)
{
dxfWriter.WriteLayer(layer);
}
dxfWriter.EndTable();
//text style tables
dxfWriter.BeginTable(StringCode.TextStyleTable);
foreach (TextStyle style in this.textStyles.Values)
{
dxfWriter.WriteTextStyle(style);
}
dxfWriter.EndTable();
//view
dxfWriter.BeginTable(StringCode.ViewTable);
dxfWriter.EndTable();
//ucs
dxfWriter.BeginTable(StringCode.UcsTable);
dxfWriter.EndTable();
//registered application tables
dxfWriter.BeginTable(StringCode.ApplicationIDTable);
foreach (ApplicationRegistry id in this.appRegisterNames.Values)
{
dxfWriter.RegisterApplication(id);
}
dxfWriter.EndTable();
//dimension style tables
if (this.version != DxfVersion.AutoCad12)
{
dxfWriter.BeginTable(StringCode.DimensionStyleTable);
foreach (DimensionStyle style in this.dimStyles.Values)
{
dxfWriter.WriteDimensionStyle(style);
}
dxfWriter.EndTable();
}
//block record tables, this table isnot recognized by AutoCad12
if (this.version != DxfVersion.AutoCad12)
{
dxfWriter.BeginTable(StringCode.BlockRecordTable);
foreach (Block block in this.blocks.Values)
{
dxfWriter.WriteBlockRecord(block.Record);
}
dxfWriter.EndTable();
}
dxfWriter.EndSection(); //End section tables
dxfWriter.BeginSection(StringCode.BlocksSection);
foreach (Block block in this.blocks.Values)
{
dxfWriter.WriteBlock(block, blockEntities[block.Name]);
}
dxfWriter.EndSection(); //End section blocks
//ENTITIES SECTION
dxfWriter.BeginSection(StringCode.EntitiesSection);
#region writting entities
foreach (Arc arc in this.arcs)
{
dxfWriter.WriteEntity(arc);
}
foreach (Circle circle in this.circles)
{
dxfWriter.WriteEntity(circle);
}
// only for version 12 draw polylines instead of ellipses
if (this.version == DxfVersion.AutoCad12)
{
if (ellipsePolys != null)
{
foreach (Polyline ellipse in ellipsePolys)
{
dxfWriter.WriteEntity(ellipse);
}
}
}
else
{
foreach (Ellipse ellipse in this.ellipses)
{
dxfWriter.WriteEntity(ellipse);
}
}
foreach (NurbsCurve nurbsCurve in this.nurbsCurves)
{
dxfWriter.WriteEntity(nurbsCurve);
}
foreach (Point point in this.points)
{
dxfWriter.WriteEntity(point);
}
foreach (Face3d face in this.faces3d)
{
dxfWriter.WriteEntity(face);
}
foreach (Solid solid in this.solids)
{
dxfWriter.WriteEntity(solid);
}
foreach (Insert insert in this.inserts)
{
dxfWriter.WriteEntity(insert);
}
foreach (Line line in this.lines)
{
dxfWriter.WriteEntity(line);
}
// lwpolyline in Acad12 are written as polylines
foreach (IPolyline pol in lwPolys)
{
dxfWriter.WriteEntity(pol);
}
//foreach (IPolyline polyline in this.polylines)
//{
// // avoid write lwpolylines in Acad12
// if (this.version != DxfVersion.AutoCad12 || !(polyline is LightWeightPolyline))
// {
// dxfWriter.WriteEntity(polyline);
// }
//}
foreach (Text text in this.texts)
{
dxfWriter.WriteEntity(text);
}
#endregion
dxfWriter.EndSection(); //End section entities
//OBJECTS SECTION
dxfWriter.BeginSection(StringCode.ObjectsSection);
dxfWriter.WriteDictionary(Dictionary.Default);
dxfWriter.EndSection();
dxfWriter.Close();
Thread.CurrentThread.CurrentCulture = cultureInfo;
}
private static void WriteDxfFile()
{
DxfDocument dxf = new DxfDocument();
//arc
Arc arc = new Arc(new Vector3(10, 10, 0), 10, 45, 135);
arc.Layer = new Layer("arc");
arc.Layer.Color.Index = 1;
dxf.AddEntity(arc);
//xData sample
XData xdata = new XData(new ApplicationRegistry("netDxf"));
xdata.XDataRecord.Add(new XDataRecord(XDataCode.String, "extended data with netDxf"));
xdata.XDataRecord.Add(XDataRecord.OpenControlString);
xdata.XDataRecord.Add(new XDataRecord(XDataCode.WorldSpacePositionX, 0));
xdata.XDataRecord.Add(new XDataRecord(XDataCode.WorldSpacePositionY, 0));
xdata.XDataRecord.Add(new XDataRecord(XDataCode.WorldSpacePositionZ, 0));
xdata.XDataRecord.Add(XDataRecord.CloseControlString);
XData xdata2 = new XData(new ApplicationRegistry("other application"));
xdata2.XDataRecord.Add(new XDataRecord(XDataCode.String, "extended data with netDxf"));
xdata2.XDataRecord.Add(XDataRecord.OpenControlString);
xdata2.XDataRecord.Add(new XDataRecord(XDataCode.String, "string record"));
xdata2.XDataRecord.Add(new XDataRecord(XDataCode.Real, 15.5));
xdata2.XDataRecord.Add(new XDataRecord(XDataCode.Long, 350));
xdata2.XDataRecord.Add(XDataRecord.CloseControlString);
//circle
Vector3 extrusion = new Vector3(1, 1, 1);
Vector3 centerWCS = new Vector3(1, 1, 1);
Vector3 centerOCS = MathHelper.Transform(centerWCS,
extrusion,
MathHelper.CoordinateSystem.World,
MathHelper.CoordinateSystem.Object);
Circle circle = new Circle(centerOCS, 5);
circle.Layer = new Layer("circle with spaces");
circle.Layer.Color = AciColor.Yellow;
circle.LineType = LineType.Dashed;
circle.Normal = extrusion;
circle.XData = new Dictionary <ApplicationRegistry, XData>
{
{ xdata.ApplicationRegistry, xdata },
{ xdata2.ApplicationRegistry, xdata2 }
};
dxf.AddEntity(circle);
//points
Point point1 = new Point(new Vector3(-3, -3, 0));
point1.Layer = new Layer("point");
point1.Color = new AciColor(30);
Point point2 = new Point(new Vector3(1, 1, 1));
point2.Layer = point1.Layer;
point2.Layer.Color.Index = 9;
point2.Normal = new Vector3(1, 1, 1);
dxf.AddEntity(point1);
dxf.AddEntity(point2);
//3dface
Face3d face3D = new Face3d(new Vector3(-5, -5, 5),
new Vector3(5, -5, 5),
new Vector3(5, 5, 5),
new Vector3(-5, 5, 5));
face3D.Layer = new Layer("3dface");
face3D.Layer.Color.Index = 3;
dxf.AddEntity(face3D);
//polyline
PolylineVertex polyVertex;
List <PolylineVertex> polyVertexes = new List <PolylineVertex>();
polyVertex = new PolylineVertex(new Vector2(-50, -50));
polyVertex.BeginWidth = 2;
polyVertexes.Add(polyVertex);
polyVertex = new PolylineVertex(new Vector2(50, -50));
polyVertex.BeginWidth = 1;
polyVertexes.Add(polyVertex);
polyVertex = new PolylineVertex(new Vector2(50, 50));
polyVertex.Bulge = 1;
polyVertexes.Add(polyVertex);
polyVertex = new PolylineVertex(new Vector2(-50, 50));
polyVertexes.Add(polyVertex);
Polyline polyline2d = new Polyline(polyVertexes, true);
polyline2d.Layer = new Layer("polyline2d");
polyline2d.Layer.Color.Index = 5;
polyline2d.Normal = new Vector3(1, 1, 1);
polyline2d.Elevation = 100.0f;
dxf.AddEntity(polyline2d);
//lightweight polyline
LightWeightPolylineVertex lwVertex;
List <LightWeightPolylineVertex> lwVertexes = new List <LightWeightPolylineVertex>();
lwVertex = new LightWeightPolylineVertex(new Vector2(-25, -25));
lwVertex.BeginWidth = 2;
lwVertexes.Add(lwVertex);
lwVertex = new LightWeightPolylineVertex(new Vector2(25, -25));
lwVertex.BeginWidth = 1;
lwVertexes.Add(lwVertex);
lwVertex = new LightWeightPolylineVertex(new Vector2(25, 25));
lwVertex.Bulge = 1;
lwVertexes.Add(lwVertex);
lwVertex = new LightWeightPolylineVertex(new Vector2(-25, 25));
lwVertexes.Add(lwVertex);
LightWeightPolyline lwPolyline = new LightWeightPolyline(lwVertexes, true);
lwPolyline.Layer = new Layer("lwpolyline");
lwPolyline.Layer.Color.Index = 5;
lwPolyline.Normal = new Vector3(1, 1, 1);
lwPolyline.Elevation = 100.0f;
dxf.AddEntity(lwPolyline);
//line
Line line = new Line(new Vector3(0, 0, 0), new Vector3(10, 10, 10));
line.Layer = new Layer("line");
line.Layer.Color.Index = 6;
dxf.AddEntity(line);
//3d polyline
Polyline3dVertex vertex;
List <Polyline3dVertex> vertexes = new List <Polyline3dVertex>();
vertex = new Polyline3dVertex(new Vector3(-50, -50, 0));
vertexes.Add(vertex);
vertex = new Polyline3dVertex(new Vector3(50, -50, 10));
vertexes.Add(vertex);
vertex = new Polyline3dVertex(new Vector3(50, 50, 25));
vertexes.Add(vertex);
vertex = new Polyline3dVertex(new Vector3(-50, 50, 50));
vertexes.Add(vertex);
Polyline3d polyline = new Polyline3d(vertexes, true);
polyline.Layer = new Layer("polyline3d");
polyline.Layer.Color.Index = 24;
dxf.AddEntity(polyline);
//block definition
Block block = new Block("TestBlock");
block.Entities.Add(new Line(new Vector3(-5, -5, 5), new Vector3(5, 5, 5)));
block.Entities.Add(new Line(new Vector3(5, -5, 5), new Vector3(-5, 5, 5)));
//insert
Insert insert = new Insert(block, new Vector3(5, 5, 5));
insert.Layer = new Layer("insert");
insert.Layer.Color.Index = 4;
dxf.AddEntity(insert);
//text
TextStyle style = new TextStyle("True type font", "Arial.ttf");
Text text = new Text("Hello world!", Vector3.Zero, 10.0f, style);
text.Layer = new Layer("text");
text.Layer.Color.Index = 8;
text.Alignment = TextAlignment.TopRight;
dxf.AddEntity(text);
dxf.Save("AutoCad2010.dxf", DxfVersion.AutoCad2010);
dxf.Save("AutoCad2007.dxf", DxfVersion.AutoCad2007);
dxf.Save("AutoCad2004.dxf", DxfVersion.AutoCad2004);
dxf.Save("AutoCad2000.dxf", DxfVersion.AutoCad2000);
}
