13724254762

Committed 07 Mar 2025 03:49PM UTC coverage: 75.29% (-0.8%) from 76.11%

Build # 13724254762

Build Type

Pull #457

github

Committed by

web-flow

Commit Message

Merge b30f393b9 into a1ba04cda

Pull Request Pull Request #457: Geometric transform

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70.68

/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);
                }

                /// <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();
                }
        }
}

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;	11,581✔
19
20	/// <summary>
21	/// End width.
22	/// </summary>
23	[DxfCodeValue(41)]
24	public double EndWidth { get; set; } = 0.0;	11,109✔
25
26	/// <summary>
27	/// Polyline flags.
28	/// </summary>
29	[DxfCodeValue(70)]
30	public PolylineFlags Flags { get; set; }	834✔
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	{	24✔
41	if (value)	24!
42	{	×
43	this.Flags = this.Flags.AddFlag(PolylineFlags.ClosedPolylineOrClosedPolygonMeshInM);	×
44	this.Flags = this.Flags.AddFlag(PolylineFlags.ClosedPolygonMeshInN);	×
45	}	×
46	else
47	{	24✔
48	this.Flags = this.Flags.RemoveFlag(PolylineFlags.ClosedPolylineOrClosedPolygonMeshInM);	24✔
49	this.Flags = this.Flags.RemoveFlag(PolylineFlags.ClosedPolygonMeshInN);	24✔
50	}	24✔
51	}	24✔
52	}
53
54	/// <inheritdoc/>
55	[DxfCodeValue(210, 220, 230)]
56	public XYZ Normal { get; set; } = XYZ.AxisZ;	11,173✔
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;	11,109✔
72
73	/// <inheritdoc/>
74	[DxfCodeValue(39)]
75	public double Thickness { get; set; } = 0.0;	11,109✔
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; }	16,481✔
88
89	/// <inheritdoc/>
90	IEnumerable<IVertex> IPolyline.Vertices { get { return this.Vertices; } }	×
91
92	public Polyline() : base()	11,085✔
93	{	11,085✔
94	this.Vertices = new SeqendCollection<Vertex>(this);	11,085✔
95	}	11,085✔
96
97	/// <inheritdoc/>
98	public override void ApplyTransform(Transform transform)
NEW 99	{	×
NEW 100	var newNormal = this.transformNormal(transform, this.Normal);	×
101
NEW 102	this.getWorldMatrix(transform, this.Normal, newNormal, out Matrix3 transOW, out Matrix3 transWO);	×
103
NEW 104	foreach (var vertex in this.Vertices)	×
NEW 105	{	×
NEW 106	XYZ v = transOW * vertex.Location;	×
NEW 107	v = transform.ApplyTransform(v);	×
NEW 108	v = transWO * v;	×
NEW 109	vertex.Location = v;	×
NEW 110	}	×
111
NEW 112	this.Normal = newNormal;	×
NEW 113	}	×
114
115	/// <inheritdoc/>
116	public override CadObject Clone()
117	{	7✔
118	Polyline clone = (Polyline)base.Clone();	7✔
119
120	clone.Vertices = new SeqendCollection<Vertex>(clone);	7✔
121	foreach (Vertex v in this.Vertices)	27✔
122	{	3✔
123	clone.Vertices.Add((Vertex)v.Clone());	3✔
124	}	3✔
125
126	return clone;	7✔
127	}	7✔
128
129	/// <inheritdoc/>
130	public abstract IEnumerable<Entity> Explode();
131
132	/// <inheritdoc/>
133	public override BoundingBox GetBoundingBox()
134	{	3✔
135	//TODO: can a polyline have only 1 vertex?
136	if (this.Vertices.Count < 2)	3!
137	{	3✔
138	return BoundingBox.Null;	3✔
139	}
140
141	XYZ first = this.Vertices[0].Location;	×
142	XYZ second = this.Vertices[1].Location;	×
143
144	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));	×
145	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));	×
146
147	for (int i = 2; i < this.Vertices.Count; i++)	×
148	{	×
149	XYZ curr = this.Vertices[i].Location;	×
150
151	min = new XYZ(System.Math.Min(min.X, curr.X), System.Math.Min(min.Y, curr.Y), System.Math.Min(min.Z, curr.Z));	×
152	max = new XYZ(System.Math.Max(max.X, curr.X), System.Math.Max(max.Y, curr.Y), System.Math.Max(max.Z, curr.Z));	×
153	}	×
154
155	return new BoundingBox(min, max);	×
156	}	3✔
157
158	internal static IEnumerable<Entity> Explode(IPolyline polyline)
159	{	3✔
160	//Generic explode method for Polyline2D and LwPolyline
161	List<Entity> entities = new List<Entity>();	3✔
162
163	for (int i = 0; i < polyline.Vertices.Count(); i++)	26✔
164	{	12✔
165	IVertex curr = polyline.Vertices.ElementAt(i);	12✔
166	IVertex next = polyline.Vertices.ElementAtOrDefault(i + 1);	12✔
167
168	if (next == null && polyline.IsClosed)	12✔
169	{	1✔
170	next = polyline.Vertices.First();	1✔
171	}	1✔
172	else if (next == null)	11✔
173	{	2✔
174	break;	2✔
175	}
176
177	Entity e = null;	10✔
178	if (curr.Bulge == 0)	10✔
179	{	9✔
180	//Is a line
181	e = new Line	9✔
182	{	9✔
183	StartPoint = curr.Location.Convert<XYZ>(),	9✔
184	EndPoint = next.Location.Convert<XYZ>(),	9✔
185	Normal = polyline.Normal,	9✔
186	Thickness = polyline.Thickness,	9✔
187	};	9✔
188	}	9✔
189	else
190	{	1✔
191	XY p1 = curr.Location.Convert<XY>();	1✔
192	XY p2 = next.Location.Convert<XY>();	1✔
193
194	//Is an arc
195	Arc arc = Arc.CreateFromBulge(p1, p2, curr.Bulge);	1✔
196	arc.Center = new XYZ(arc.Center.X, arc.Center.Y, polyline.Elevation);	1✔
197	arc.Normal = polyline.Normal;	1✔
198	arc.Thickness = polyline.Thickness;	1✔
199
200	e = arc;	1✔
201	}	1✔
202
203	polyline.MatchProperties(e);	10✔
204
205	entities.Add(e);	10✔
206	}	10✔
207
208	return entities;	3✔
209	}	3✔
210
211	internal override void AssignDocument(CadDocument doc)
212	{	698✔
213	base.AssignDocument(doc);	698✔
214	doc.RegisterCollection(this.Vertices);	698✔
215	}	698✔
216
217	internal override void UnassignDocument()
218	{	28✔
219	this.Document.UnregisterCollection(this.Vertices);	28✔
220	base.UnassignDocument();	28✔
221	}	28✔
222	}
223	}

DomCR / ACadSharp / 13724254762

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