18093480635

Committed 29 Sep 2025 10:12AM UTC coverage: 77.923% (-0.4%) from 78.349%

Build # 18093480635

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push

github

Committed by

web-flow

Commit Message

Merge pull request #776 from DomCR/svg-linetypes

Svg linetypes

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112 of 319 new or added lines in 10 files covered. (35.11%)

11 existing lines in 3 files now uncovered.

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77.62

/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 => this._flags; set => this._flags = value; }

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

                /// <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; } }

                private PolylineFlags _flags;

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

                public Polyline(IEnumerable<Vertex> vertices, bool isColsed) : this()
                {
                        if (vertices == null)
                                throw new System.ArgumentException("The vertices enumerable cannot be null or empty", nameof(vertices));

                        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);
                }

                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();
                }

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

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;	23,075✔
19
20	/// <summary>
21	/// End width.
22	/// </summary>
23	[DxfCodeValue(41)]
24	public double EndWidth { get; set; } = 0.0;	22,535✔
25
26	/// <summary>
27	/// Polyline flags.
28	/// </summary>
29	[DxfCodeValue(70)]
30	public PolylineFlags Flags { get => this._flags; set => this._flags = value; }	825✔
31
32	/// <inheritdoc/>
33	public bool IsClosed
34	{
35	get
36	{	1✔
37	return this.Flags.HasFlag(PolylineFlags.ClosedPolylineOrClosedPolygonMeshInM) \|\| this.Flags.HasFlag(PolylineFlags.ClosedPolygonMeshInN);	1!
38	}	1✔
39	set
40	{	65✔
41	if (value)	65✔
42	{	19✔
43	this._flags.AddFlag(PolylineFlags.ClosedPolylineOrClosedPolygonMeshInM);	19✔
44	this._flags.AddFlag(PolylineFlags.ClosedPolygonMeshInN);	19✔
45	}	19✔
46	else
47	{	46✔
48	this._flags.RemoveFlag(PolylineFlags.ClosedPolylineOrClosedPolygonMeshInM);	46✔
49	this._flags.RemoveFlag(PolylineFlags.ClosedPolygonMeshInN);	46✔
50	}	46✔
51	}	65✔
52	}
53
54	/// <inheritdoc/>
55	[DxfCodeValue(210, 220, 230)]
56	public XYZ Normal { get; set; } = XYZ.AxisZ;	22,619✔
57
58	/// <inheritdoc/>
59	public override string ObjectName => DxfFileToken.EntityPolyline;	2,736✔
60
61	/// <summary>
62	/// Curves and smooth surface type.
63	/// </summary>
64	[DxfCodeValue(75)]
65	public SmoothSurfaceType SmoothSurface { get; set; }	92✔
66
67	/// <summary>
68	/// Start width.
69	/// </summary>
70	[DxfCodeValue(40)]
71	public double StartWidth { get; set; } = 0.0;	22,535✔
72
73	/// <inheritdoc/>
74	[DxfCodeValue(39)]
75	public double Thickness { get; set; } = 0.0;	22,535✔
76
77	/// <summary>
78	/// Vertices that form this polyline.
79	/// </summary>
80	/// <remarks>
81	/// Each <see cref="Vertex"/> has it's own unique handle.
82	/// </remarks>
83	public SeqendCollection<Vertex> Vertices { get; private set; }	560,333✔
84
85	/// <inheritdoc/>
86	IEnumerable<IVertex> IPolyline.Vertices { get { return this.Vertices; } }	×
87
88	private PolylineFlags _flags;
89
90	/// <summary>
91	/// Default constructor.
92	/// </summary>
93	public Polyline() : base()	22,500✔
94	{	22,500✔
95	this.Vertices = new SeqendCollection<Vertex>(this);	22,500✔
96	this.Vertices.OnAdd += this.verticesOnAdd;	22,500✔
97	}	22,500✔
98
99	public Polyline(IEnumerable<Vertex> vertices, bool isColsed) : this()	19✔
100	{	19✔
101	if (vertices == null)	19!
NEW 102	throw new System.ArgumentException("The vertices enumerable cannot be null or empty", nameof(vertices));	×
103
104	this.Vertices.AddRange(vertices);	19✔
105	this.IsClosed = isColsed;	19✔
106	}	19✔
107
108	/// <inheritdoc/>
109	public override void ApplyTransform(Transform transform)
110	{	×
111	var newNormal = this.transformNormal(transform, this.Normal);	×
112
113	this.getWorldMatrix(transform, this.Normal, newNormal, out Matrix3 transOW, out Matrix3 transWO);	×
114
115	foreach (var vertex in this.Vertices)	×
116	{	×
117	XYZ v = transOW * vertex.Location;	×
118	v = transform.ApplyTransform(v);	×
119	v = transWO * v;	×
120	vertex.Location = v;	×
121	}	×
122
123	this.Normal = newNormal;	×
124	}	×
125
126	/// <inheritdoc/>
127	public override CadObject Clone()
128	{	10✔
129	Polyline clone = (Polyline)base.Clone();	10✔
130
131	clone.Vertices = new SeqendCollection<Vertex>(clone);	10✔
132	foreach (Vertex v in this.Vertices)	36✔
133	{	3✔
134	clone.Vertices.Add((Vertex)v.Clone());	3✔
135	}	3✔
136
137	return clone;	10✔
138	}	10✔
139
140	/// <inheritdoc/>
141	public abstract IEnumerable<Entity> Explode();
142
143	/// <inheritdoc/>
144	public override BoundingBox GetBoundingBox()
145	{	3✔
146	//TODO: can a polyline have only 1 vertex?
147	if (this.Vertices.Count < 2)	3!
148	{	3✔
149	return BoundingBox.Null;	3✔
150	}
151
152	XYZ first = this.Vertices[0].Location;	×
153	XYZ second = this.Vertices[1].Location;	×
154
155	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));	×
156	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));	×
157
158	for (int i = 2; i < this.Vertices.Count; i++)	×
159	{	×
160	XYZ curr = this.Vertices[i].Location;	×
161
162	min = new XYZ(System.Math.Min(min.X, curr.X), System.Math.Min(min.Y, curr.Y), System.Math.Min(min.Z, curr.Z));	×
163	max = new XYZ(System.Math.Max(max.X, curr.X), System.Math.Max(max.Y, curr.Y), System.Math.Max(max.Z, curr.Z));	×
164	}	×
165
166	return new BoundingBox(min, max);	×
167	}	3✔
168
169	internal static IEnumerable<Entity> Explode(IPolyline polyline)
170	{	3✔
171	//Generic explode method for Polyline2D and LwPolyline
172	List<Entity> entities = new List<Entity>();	3✔
173
174	for (int i = 0; i < polyline.Vertices.Count(); i++)	26✔
175	{	12✔
176	IVertex curr = polyline.Vertices.ElementAt(i);	12✔
177	IVertex next = polyline.Vertices.ElementAtOrDefault(i + 1);	12✔
178
179	if (next == null && polyline.IsClosed)	12✔
180	{	1✔
181	next = polyline.Vertices.First();	1✔
182	}	1✔
183	else if (next == null)	11✔
184	{	2✔
185	break;	2✔
186	}
187
188	Entity e = null;	10✔
189	if (curr.Bulge == 0)	10✔
190	{	9✔
191	//Is a line
192	e = new Line	9✔
193	{	9✔
194	StartPoint = curr.Location.Convert<XYZ>(),	9✔
195	EndPoint = next.Location.Convert<XYZ>(),	9✔
196	Normal = polyline.Normal,	9✔
197	Thickness = polyline.Thickness,	9✔
198	};	9✔
199	}	9✔
200	else
201	{	1✔
202	XY p1 = curr.Location.Convert<XY>();	1✔
203	XY p2 = next.Location.Convert<XY>();	1✔
204
205	//Is an arc
206	Arc arc = Arc.CreateFromBulge(p1, p2, curr.Bulge);	1✔
207	arc.Center = new XYZ(arc.Center.X, arc.Center.Y, polyline.Elevation);	1✔
208	arc.Normal = polyline.Normal;	1✔
209	arc.Thickness = polyline.Thickness;	1✔
210
211	e = arc;	1✔
212	}	1✔
213
214	polyline.MatchProperties(e);	10✔
215
216	entities.Add(e);	10✔
217	}	10✔
218
219	return entities;	3✔
220	}	3✔
221
222	internal override void AssignDocument(CadDocument doc)
223	{	10,806✔
224	base.AssignDocument(doc);	10,806✔
225	doc.RegisterCollection(this.Vertices);	10,806✔
226	}	10,806✔
227
228	internal override void UnassignDocument()
229	{	52✔
230	this.Document.UnregisterCollection(this.Vertices);	52✔
231	base.UnassignDocument();	52✔
232	}	52✔
233
234	protected abstract void verticesOnAdd(object sender, CollectionChangedEventArgs e);
235	}
236	}

DomCR / ACadSharp / 18093480635

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