14305968221

Committed 07 Apr 2025 09:41AM UTC coverage: 75.187% (-1.0%) from 76.181%

Build # 14305968221

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push

github

Committed by

DomCR

Commit Message

badge fix

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71.94

/src/ACadSharp/Entities/PolyLine.cs

﻿using ACadSharp.Attributes;
using CSMath;
using CSUtilities.Extensions;
using System.Collections.Generic;
using System.Linq;

namespace ACadSharp.Entities
{
        /// <summary>
        /// Represents a <see cref="Polyline"/> entity.
        /// </summary>
        [DxfName(DxfFileToken.EntityPolyline)]
        [DxfSubClass(null, true)]
        public abstract class Polyline : Entity, IPolyline
        {
                /// <inheritdoc/>
                [DxfCodeValue(30)]
                public double Elevation { get; set; } = 0.0;

                /// <summary>
                /// End width.
                /// </summary>
                [DxfCodeValue(41)]
                public double EndWidth { get; set; } = 0.0;

                /// <summary>
                /// Polyline flags.
                /// </summary>
                [DxfCodeValue(70)]
                public PolylineFlags Flags { get; set; }

                /// <inheritdoc/>
                public bool IsClosed
                {
                        get
                        {
                                return this.Flags.HasFlag(PolylineFlags.ClosedPolylineOrClosedPolygonMeshInM) || this.Flags.HasFlag(PolylineFlags.ClosedPolygonMeshInN);
                        }
                        set
                        {
                                if (value)
                                {
                                        this.Flags = this.Flags.AddFlag(PolylineFlags.ClosedPolylineOrClosedPolygonMeshInM);
                                        this.Flags = this.Flags.AddFlag(PolylineFlags.ClosedPolygonMeshInN);
                                }
                                else
                                {
                                        this.Flags = this.Flags.RemoveFlag(PolylineFlags.ClosedPolylineOrClosedPolygonMeshInM);
                                        this.Flags = this.Flags.RemoveFlag(PolylineFlags.ClosedPolygonMeshInN);
                                }
                        }
                }

                /// <inheritdoc/>
                [DxfCodeValue(210, 220, 230)]
                public XYZ Normal { get; set; } = XYZ.AxisZ;

                /// <inheritdoc/>
                public override string ObjectName => DxfFileToken.EntityPolyline;

                /// <summary>
                /// Curves and smooth surface type.
                /// </summary>
                [DxfCodeValue(75)]
                public SmoothSurfaceType SmoothSurface { get; set; }

                /// <summary>
                /// Start width.
                /// </summary>
                [DxfCodeValue(40)]
                public double StartWidth { get; set; } = 0.0;

                /// <inheritdoc/>
                [DxfCodeValue(39)]
                public double Thickness { get; set; } = 0.0;

                //71        Polygon mesh M vertex count(optional; default = 0)
                //72        Polygon mesh N vertex count(optional; default = 0)
                //73        Smooth surface M density(optional; default = 0)
                //74        Smooth surface N density(optional; default = 0)
                /// <summary>
                /// Vertices that form this polyline.
                /// </summary>
                /// <remarks>
                /// Each <see cref="Vertex"/> has it's own unique handle.
                /// </remarks>
                public SeqendCollection<Vertex> Vertices { get; private set; }

                /// <inheritdoc/>
                IEnumerable<IVertex> IPolyline.Vertices { get { return this.Vertices; } }

                public Polyline() : base()
                {
                        this.Vertices = new SeqendCollection<Vertex>(this);
                        this.Vertices.OnAdd += this.verticesOnAdd;
                }

                public Polyline(IEnumerable<Vertex> vertices, bool isColsed) : this()
                {
                        this.Vertices.AddRange(vertices);
                        this.IsClosed = isColsed;
                }

                /// <inheritdoc/>
                public override void ApplyTransform(Transform transform)
                {
                        var newNormal = this.transformNormal(transform, this.Normal);

                        this.getWorldMatrix(transform, this.Normal, newNormal, out Matrix3 transOW, out Matrix3 transWO);

                        foreach (var vertex in this.Vertices)
                        {
                                XYZ v = transOW * vertex.Location;
                                v = transform.ApplyTransform(v);
                                v = transWO * v;
                                vertex.Location = v;
                        }

                        this.Normal = newNormal;
                }

                /// <inheritdoc/>
                public override CadObject Clone()
                {
                        Polyline clone = (Polyline)base.Clone();

                        clone.Vertices = new SeqendCollection<Vertex>(clone);
                        foreach (Vertex v in this.Vertices)
                        {
                                clone.Vertices.Add((Vertex)v.Clone());
                        }

                        return clone;
                }

                /// <inheritdoc/>
                public abstract IEnumerable<Entity> Explode();

                /// <inheritdoc/>
                public override BoundingBox GetBoundingBox()
                {
                        //TODO: can a polyline have only 1 vertex?
                        if (this.Vertices.Count < 2)
                        {
                                return BoundingBox.Null;
                        }

                        XYZ first = this.Vertices[0].Location;
                        XYZ second = this.Vertices[1].Location;

                        XYZ min = new XYZ(System.Math.Min(first.X, second.X), System.Math.Min(first.Y, second.Y), System.Math.Min(first.Z, second.Z));
                        XYZ max = new XYZ(System.Math.Max(first.X, second.X), System.Math.Max(first.Y, second.Y), System.Math.Max(first.Z, second.Z));

                        for (int i = 2; i < this.Vertices.Count; i++)
                        {
                                XYZ curr = this.Vertices[i].Location;

                                min = new XYZ(System.Math.Min(min.X, curr.X), System.Math.Min(min.Y, curr.Y), System.Math.Min(min.Z, curr.Z));
                                max = new XYZ(System.Math.Max(max.X, curr.X), System.Math.Max(max.Y, curr.Y), System.Math.Max(max.Z, curr.Z));
                        }

                        return new BoundingBox(min, max);
                }

                protected abstract void verticesOnAdd(object sender, CollectionChangedEventArgs e);

                internal static IEnumerable<Entity> Explode(IPolyline polyline)
                {
                        //Generic explode method for Polyline2D and LwPolyline
                        List<Entity> entities = new List<Entity>();

                        for (int i = 0; i < polyline.Vertices.Count(); i++)
                        {
                                IVertex curr = polyline.Vertices.ElementAt(i);
                                IVertex next = polyline.Vertices.ElementAtOrDefault(i + 1);

                                if (next == null && polyline.IsClosed)
                                {
                                        next = polyline.Vertices.First();
                                }
                                else if (next == null)
                                {
                                        break;
                                }

                                Entity e = null;
                                if (curr.Bulge == 0)
                                {
                                        //Is a line
                                        e = new Line
                                        {
                                                StartPoint = curr.Location.Convert<XYZ>(),
                                                EndPoint = next.Location.Convert<XYZ>(),
                                                Normal = polyline.Normal,
                                                Thickness = polyline.Thickness,
                                        };
                                }
                                else
                                {
                                        XY p1 = curr.Location.Convert<XY>();
                                        XY p2 = next.Location.Convert<XY>();

                                        //Is an arc
                                        Arc arc = Arc.CreateFromBulge(p1, p2, curr.Bulge);
                                        arc.Center = new XYZ(arc.Center.X, arc.Center.Y, polyline.Elevation);
                                        arc.Normal = polyline.Normal;
                                        arc.Thickness = polyline.Thickness;

                                        e = arc;
                                }

                                polyline.MatchProperties(e);

                                entities.Add(e);
                        }

                        return entities;
                }

                internal override void AssignDocument(CadDocument doc)
                {
                        base.AssignDocument(doc);
                        doc.RegisterCollection(this.Vertices);
                }

                internal override void UnassignDocument()
                {
                        this.Document.UnregisterCollection(this.Vertices);
                        base.UnassignDocument();
                }
        }
}

1	using ACadSharp.Attributes;
2	using CSMath;
3	using CSUtilities.Extensions;
4	using System.Collections.Generic;
5	using System.Linq;
6
7	namespace ACadSharp.Entities
8	{
9	/// <summary>
10	/// Represents a <see cref="Polyline"/> entity.
11	/// </summary>
12	[DxfName(DxfFileToken.EntityPolyline)]
13	[DxfSubClass(null, true)]
14	public abstract class Polyline : Entity, IPolyline
15	{
16	/// <inheritdoc/>
17	[DxfCodeValue(30)]
18	public double Elevation { get; set; } = 0.0;	11,588✔
19
20	/// <summary>
21	/// End width.
22	/// </summary>
23	[DxfCodeValue(41)]
24	public double EndWidth { get; set; } = 0.0;	11,116✔
25
26	/// <summary>
27	/// Polyline flags.
28	/// </summary>
29	[DxfCodeValue(70)]
30	public PolylineFlags Flags { get; set; }	850✔
31
32	/// <inheritdoc/>
33	public bool IsClosed
34	{
35	get
36	{	×
37	return this.Flags.HasFlag(PolylineFlags.ClosedPolylineOrClosedPolygonMeshInM) \|\| this.Flags.HasFlag(PolylineFlags.ClosedPolygonMeshInN);	×
38	}	×
39	set
40	{	28✔
41	if (value)	28!
42	{	×
43	this.Flags = this.Flags.AddFlag(PolylineFlags.ClosedPolylineOrClosedPolygonMeshInM);	×
44	this.Flags = this.Flags.AddFlag(PolylineFlags.ClosedPolygonMeshInN);	×
45	}	×
46	else
47	{	28✔
48	this.Flags = this.Flags.RemoveFlag(PolylineFlags.ClosedPolylineOrClosedPolygonMeshInM);	28✔
49	this.Flags = this.Flags.RemoveFlag(PolylineFlags.ClosedPolygonMeshInN);	28✔
50	}	28✔
51	}	28✔
52	}
53
54	/// <inheritdoc/>
55	[DxfCodeValue(210, 220, 230)]
56	public XYZ Normal { get; set; } = XYZ.AxisZ;	11,180✔
57
58	/// <inheritdoc/>
59	public override string ObjectName => DxfFileToken.EntityPolyline;	52✔
60
61	/// <summary>
62	/// Curves and smooth surface type.
63	/// </summary>
64	[DxfCodeValue(75)]
65	public SmoothSurfaceType SmoothSurface { get; set; }	64✔
66
67	/// <summary>
68	/// Start width.
69	/// </summary>
70	[DxfCodeValue(40)]
71	public double StartWidth { get; set; } = 0.0;	11,116✔
72
73	/// <inheritdoc/>
74	[DxfCodeValue(39)]
75	public double Thickness { get; set; } = 0.0;	11,116✔
76
77	//71 Polygon mesh M vertex count(optional; default = 0)
78	//72 Polygon mesh N vertex count(optional; default = 0)
79	//73 Smooth surface M density(optional; default = 0)
80	//74 Smooth surface N density(optional; default = 0)
81	/// <summary>
82	/// Vertices that form this polyline.
83	/// </summary>
84	/// <remarks>
85	/// Each <see cref="Vertex"/> has it's own unique handle.
86	/// </remarks>
87	public SeqendCollection<Vertex> Vertices { get; private set; }	27,215✔
88
89	/// <inheritdoc/>
90	IEnumerable<IVertex> IPolyline.Vertices { get { return this.Vertices; } }	×
91
92	public Polyline() : base()	11,089✔
93	{	11,089✔
94	this.Vertices = new SeqendCollection<Vertex>(this);	11,089✔
95	this.Vertices.OnAdd += this.verticesOnAdd;	11,089✔
96	}	11,089✔
97
98	public Polyline(IEnumerable<Vertex> vertices, bool isColsed) : this()	1✔
99	{	1✔
100	this.Vertices.AddRange(vertices);	1✔
101	this.IsClosed = isColsed;	1✔
102	}	1✔
103
104	/// <inheritdoc/>
105	public override void ApplyTransform(Transform transform)
106	{	×
107	var newNormal = this.transformNormal(transform, this.Normal);	×
108
109	this.getWorldMatrix(transform, this.Normal, newNormal, out Matrix3 transOW, out Matrix3 transWO);	×
110
111	foreach (var vertex in this.Vertices)	×
112	{	×
113	XYZ v = transOW * vertex.Location;	×
114	v = transform.ApplyTransform(v);	×
115	v = transWO * v;	×
116	vertex.Location = v;	×
117	}	×
118
119	this.Normal = newNormal;	×
120	}	×
121
122	/// <inheritdoc/>
123	public override CadObject Clone()
124	{	10✔
125	Polyline clone = (Polyline)base.Clone();	10✔
126
127	clone.Vertices = new SeqendCollection<Vertex>(clone);	10✔
128	foreach (Vertex v in this.Vertices)	36✔
129	{	3✔
130	clone.Vertices.Add((Vertex)v.Clone());	3✔
131	}	3✔
132
133	return clone;	10✔
134	}	10✔
135
136	/// <inheritdoc/>
137	public abstract IEnumerable<Entity> Explode();
138
139	/// <inheritdoc/>
140	public override BoundingBox GetBoundingBox()
141	{	3✔
142	//TODO: can a polyline have only 1 vertex?
143	if (this.Vertices.Count < 2)	3!
144	{	3✔
145	return BoundingBox.Null;	3✔
146	}
147
148	XYZ first = this.Vertices[0].Location;	×
149	XYZ second = this.Vertices[1].Location;	×
150
151	XYZ min = new XYZ(System.Math.Min(first.X, second.X), System.Math.Min(first.Y, second.Y), System.Math.Min(first.Z, second.Z));	×
152	XYZ max = new XYZ(System.Math.Max(first.X, second.X), System.Math.Max(first.Y, second.Y), System.Math.Max(first.Z, second.Z));	×
153
154	for (int i = 2; i < this.Vertices.Count; i++)	×
155	{	×
156	XYZ curr = this.Vertices[i].Location;	×
157
158	min = new XYZ(System.Math.Min(min.X, curr.X), System.Math.Min(min.Y, curr.Y), System.Math.Min(min.Z, curr.Z));	×
159	max = new XYZ(System.Math.Max(max.X, curr.X), System.Math.Max(max.Y, curr.Y), System.Math.Max(max.Z, curr.Z));	×
160	}	×
161
162	return new BoundingBox(min, max);	×
163	}	3✔
164
165	protected abstract void verticesOnAdd(object sender, CollectionChangedEventArgs e);
166
167	internal static IEnumerable<Entity> Explode(IPolyline polyline)
168	{	3✔
169	//Generic explode method for Polyline2D and LwPolyline
170	List<Entity> entities = new List<Entity>();	3✔
171
172	for (int i = 0; i < polyline.Vertices.Count(); i++)	26✔
173	{	12✔
174	IVertex curr = polyline.Vertices.ElementAt(i);	12✔
175	IVertex next = polyline.Vertices.ElementAtOrDefault(i + 1);	12✔
176
177	if (next == null && polyline.IsClosed)	12✔
178	{	1✔
179	next = polyline.Vertices.First();	1✔
180	}	1✔
181	else if (next == null)	11✔
182	{	2✔
183	break;	2✔
184	}
185
186	Entity e = null;	10✔
187	if (curr.Bulge == 0)	10✔
188	{	9✔
189	//Is a line
190	e = new Line	9✔
191	{	9✔
192	StartPoint = curr.Location.Convert<XYZ>(),	9✔
193	EndPoint = next.Location.Convert<XYZ>(),	9✔
194	Normal = polyline.Normal,	9✔
195	Thickness = polyline.Thickness,	9✔
196	};	9✔
197	}	9✔
198	else
199	{	1✔
200	XY p1 = curr.Location.Convert<XY>();	1✔
201	XY p2 = next.Location.Convert<XY>();	1✔
202
203	//Is an arc
204	Arc arc = Arc.CreateFromBulge(p1, p2, curr.Bulge);	1✔
205	arc.Center = new XYZ(arc.Center.X, arc.Center.Y, polyline.Elevation);	1✔
206	arc.Normal = polyline.Normal;	1✔
207	arc.Thickness = polyline.Thickness;	1✔
208
209	e = arc;	1✔
210	}	1✔
211
212	polyline.MatchProperties(e);	10✔
213
214	entities.Add(e);	10✔
215	}	10✔
216
217	return entities;	3✔
218	}	3✔
219
220	internal override void AssignDocument(CadDocument doc)
221	{	698✔
222	base.AssignDocument(doc);	698✔
223	doc.RegisterCollection(this.Vertices);	698✔
224	}	698✔
225
226	internal override void UnassignDocument()
227	{	28✔
228	this.Document.UnregisterCollection(this.Vertices);	28✔
229	base.UnassignDocument();	28✔
230	}	28✔
231	}
232	}

DomCR / ACadSharp / 14305968221

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