22018275163

Committed 14 Feb 2026 01:30PM UTC coverage: 77.463% (-0.02%) from 77.486%

Build # 22018275163

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github

Committed by

web-flow

Commit Message

Merge pull request #977 from DomCR/issue-971_insert-explode-fix

Issue 971 insert explode fix

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55.83

/src/ACadSharp/Entities/Insert.cs

﻿using ACadSharp.Attributes;
using ACadSharp.Extensions;
using ACadSharp.Objects;
using ACadSharp.Tables;
using CSMath;
using System;
using System.Collections.Generic;
using System.Linq;

namespace ACadSharp.Entities
{
        /// <summary>
        /// Represents a <see cref="Insert"/> entity.
        /// </summary>
        /// <remarks>
        /// Object name <see cref="DxfFileToken.EntityInsert"/> <br/>
        /// Dxf class name <see cref="DxfSubclassMarker.Insert"/>
        /// </remarks>
        [DxfName(DxfFileToken.EntityInsert)]
        [DxfSubClass(DxfSubclassMarker.Insert)]
        public class Insert : Entity
        {
                /// <summary>
                /// Attributes from the block reference
                /// </summary>
                /// <remarks>
                /// If an attribute should be added in this collection a definition will be added into the block reference as well
                /// </remarks>
                public SeqendCollection<AttributeEntity> Attributes { get; private set; }

                /// <summary>
                /// Gets the insert block definition.
                /// </summary>
                [DxfCodeValue(DxfReferenceType.Name, 2)]
                public BlockRecord Block { get; internal set; }

                /// <summary>
                /// Column count
                /// </summary>
                [DxfCodeValue(DxfReferenceType.Optional, 70)]
                public ushort ColumnCount { get; set; } = 1;

                /// <summary>
                /// Column spacing
                /// </summary>
                [DxfCodeValue(DxfReferenceType.Optional, 44)]
                public double ColumnSpacing { get; set; } = 0;

                /// <summary>
                /// True if the insert has attribute entities in it
                /// </summary>
                [DxfCodeValue(DxfReferenceType.Ignored, 66)]
                public bool HasAttributes
                { get { return this.Attributes.Any(); } }

                /// <inheritdoc/>
                public override bool HasDynamicSubclass => true;

                /// <summary>
                /// A 3D WCS coordinate representing the insertion or origin point.
                /// </summary>
                [DxfCodeValue(10, 20, 30)]
                public XYZ InsertPoint { get; set; } = XYZ.Zero;

                /// <summary>
                /// Specifies the rotation angle for the object.
                /// </summary>
                public bool IsMultiple { get { return this.RowCount > 1 || this.ColumnCount > 1; } }

                /// <summary>
                /// Specifies the three-dimensional normal unit vector for the object.
                /// </summary>
                [DxfCodeValue(210, 220, 230)]
                public XYZ Normal { get; set; } = XYZ.AxisZ;

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

                /// <inheritdoc/>
                public override ObjectType ObjectType
                {
                        get
                        {
                                if (this.RowCount > 1 || this.ColumnCount > 1)
                                {
                                        return ObjectType.MINSERT;
                                }
                                else
                                {
                                        return ObjectType.INSERT;
                                }
                        }
                }

                /// <summary>
                /// Specifies the rotation angle for the object.
                /// </summary>
                /// <value>
                /// The rotation angle in radians.
                /// </value>
                [DxfCodeValue(DxfReferenceType.IsAngle, 50)]
                public double Rotation { get; set; } = 0.0;

                /// <summary>
                /// Row count
                /// </summary>
                [DxfCodeValue(DxfReferenceType.Optional, 71)]
                public ushort RowCount { get; set; } = 1;

                /// <summary>
                /// Row spacing
                /// </summary>
                [DxfCodeValue(DxfReferenceType.Optional, 45)]
                public double RowSpacing { get; set; } = 0;

                /// <summary>
                /// Gets or set the spatial filter entry for this <see cref="Insert"/> entity.
                /// </summary>
                public SpatialFilter SpatialFilter
                {
                        get
                        {
                                if (this.XDictionary != null
                                        && this.XDictionary.TryGetEntry(Filter.FilterEntryName, out CadDictionary filters))
                                {
                                        return filters.GetEntry<SpatialFilter>(SpatialFilter.SpatialFilterEntryName);
                                }

                                return null;
                        }
                        set
                        {
                                if (this.XDictionary == null)
                                {
                                        this.CreateExtendedDictionary();
                                }

                                if (!this.XDictionary.TryGetEntry(Filter.FilterEntryName, out CadDictionary filters))
                                {
                                        filters = new CadDictionary(Filter.FilterEntryName);
                                        this.XDictionary.Add(filters);
                                }

                                filters.Remove(SpatialFilter.SpatialFilterEntryName);
                                filters.Add(SpatialFilter.SpatialFilterEntryName, value);
                        }
                }

                /// <inheritdoc/>
                public override string SubclassMarker => this.IsMultiple ? DxfSubclassMarker.MInsert : DxfSubclassMarker.Insert;

                /// <summary>
                /// X scale factor.
                /// </summary>
                [DxfCodeValue(41)]
                public double XScale
                {
                        get
                        {
                                return this._xscale;
                        }
                        set
                        {
                                if (value.Equals(0))
                                {
                                        string name = nameof(this.XScale);
                                        throw new ArgumentOutOfRangeException(name, value, $"{name} value must be none zero.");
                                }
                                this._xscale = value;
                        }
                }

                /// <summary>
                /// Y scale factor.
                /// </summary>
                [DxfCodeValue(42)]
                public double YScale
                {
                        get
                        {
                                return this._yscale;
                        }
                        set
                        {
                                if (value.Equals(0))
                                {
                                        string name = nameof(this.YScale);
                                        throw new ArgumentOutOfRangeException(name, value, $"{name} value must be none zero.");
                                }
                                this._yscale = value;
                        }
                }

                /// <summary>
                /// Z scale factor.
                /// </summary>
                [DxfCodeValue(43)]
                public double ZScale
                {
                        get
                        {
                                return this._zscale;
                        }
                        set
                        {
                                if (value.Equals(0))
                                {
                                        string name = nameof(this.ZScale);
                                        throw new ArgumentOutOfRangeException(name, value, $"{name} value must be none zero.");
                                }
                                this._zscale = value;
                        }
                }

                private double _xscale = 1;

                private double _yscale = 1;

                private double _zscale = 1;

                /// <summary>
                /// Constructor to reference an insert to a block record
                /// </summary>
                /// <param name="block">Block Record to reference</param>
                /// <exception cref="ArgumentNullException"></exception>
                public Insert(BlockRecord block) : this()
                {
                        if (block is null) throw new ArgumentNullException(nameof(block));

                        if (block.Document != null)
                        {
                                this.Block = (BlockRecord)block.Clone();
                        }
                        else
                        {
                                this.Block = block;
                        }

                        foreach (var item in block.AttributeDefinitions)
                        {
                                this.Attributes.Add(new AttributeEntity(item));
                        }
                }

                internal Insert() : base()
                {
                        this.Attributes = new SeqendCollection<AttributeEntity>(this);
                }

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

                        Matrix3 transOW = Matrix3.ArbitraryAxis(this.Normal);
                        transOW *= Matrix3.RotationZ(this.Rotation);

                        Matrix3 transWO = Matrix3.ArbitraryAxis(newNormal);
                        transWO = transWO.Transpose();

                        var transformation = new Matrix3(transform.Matrix);
                        XYZ v = transOW * XYZ.AxisX;
                        v = transformation * v;
                        v = transWO * v;
                        double newRotation = new XY(v.X, v.Y).GetAngle();

                        transWO = Matrix3.RotationZ(newRotation).Transpose() * transWO;

                        XYZ s = transOW * new XYZ(this.XScale, this.YScale, this.ZScale);
                        s = transformation * s;
                        s = transWO * s;
                        XYZ newScale = new XYZ(
                                MathHelper.IsZero(s.X) ? MathHelper.Epsilon : s.X,
                                MathHelper.IsZero(s.Y) ? MathHelper.Epsilon : s.Y,
                                MathHelper.IsZero(s.Z) ? MathHelper.Epsilon : s.Z);

                        this.Normal = newNormal;
                        this.InsertPoint = newPosition;
                        this.XScale = newScale.X;
                        this.YScale = newScale.Y;
                        this.ZScale = newScale.Z;
                        this.Rotation = newRotation;

                        foreach (AttributeEntity att in this.Attributes)
                        {
                                att.ApplyTransform(transform);
                        }
                }

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

                        clone.Block = (BlockRecord)this.Block?.Clone();

                        clone.Attributes = new SeqendCollection<AttributeEntity>(clone);
                        foreach (var att in this.Attributes)
                        {
                                clone.Attributes.Add((AttributeEntity)att.Clone());
                        }

                        return clone;
                }

                /// <summary>
                /// Returns an enumerable collection of entities representing the exploded contents of the block, with all entities
                /// transformed into the current coordinate system.
                /// </summary>
                /// <remarks>The returned entities are clones or converted equivalents of the original block entities, with
                /// geometric transformations applied. For example, arcs and circles are converted to their corresponding geometric
                /// representations. The original block and its entities remain unchanged.</remarks>
                /// <returns>An enumerable collection of <see cref="Entity"/> objects that make up the exploded block. Each entity is
                /// transformed according to the block's transform. The collection may be empty if the block contains no entities.</returns>
                public IEnumerable<Entity> Explode()
                {
                        Transform transform = this.GetTransform();
                        foreach (var e in this.Block.Entities)
                        {
                                Entity c;
                                switch (e)
                                {
                                        case Arc arc:
                                                arc.GetEndVertices(out XYZ start, out XYZ end);

                                                Arc a;
                                                if (arc.IsCounterClockWise)
                                                {
                                                        a = new Arc(
                                                                transform.ApplyTransform(arc.Center),
                                                                transform.ApplyTransform(end),
                                                                transform.ApplyTransform(start),
                                                                arc.Normal);
                                                }
                                                else
                                                {
                                                        a = new Arc(
                                                                transform.ApplyTransform(arc.Center),
                                                                transform.ApplyTransform(start),
                                                                transform.ApplyTransform(end),
                                                                arc.Normal);
                                                }

                                                a.MatchProperties(e);

                                                yield return a;
                                                continue;
                                        case Circle circle:
                                                c = new Ellipse()
                                                {
                                                        MajorAxisEndPoint = XYZ.AxisX * circle.Radius,
                                                        RadiusRatio = 1,
                                                        Center = circle.Center,
                                                        Normal = circle.Normal,
                                                };
                                                c.MatchProperties(e);
                                                break;
                                        default:
                                                c = e.CloneTyped();
                                                break;
                                }

                                c.ApplyTransform(transform);

                                yield return c;
                        }
                }

                /// <inheritdoc/>
                public override BoundingBox GetBoundingBox()
                {
                        BoundingBox box = this.Block.GetBoundingBox();

                        var scale = new XYZ(this.XScale, this.YScale, this.ZScale);
                        var min = box.Min * scale + this.InsertPoint;
                        var max = box.Max * scale + this.InsertPoint;

                        return new BoundingBox(min, max);
                }

                /// <summary>
                /// Get the transform that will be applied to the entities in the <see cref="BlockRecord"/> when this entity is processed.
                /// </summary>
                /// <returns></returns>
                public Transform GetTransform()
                {
                        var world = Matrix4.GetArbitraryAxis(this.Normal);
                        var translation = Transform.CreateTranslation(this.InsertPoint);
                        var rotation = Transform.CreateRotation(XYZ.AxisZ, this.Rotation);
                        var scale = Transform.CreateScaling(new XYZ(this.XScale, this.YScale, this.ZScale));

                        return new Transform(world * translation.Matrix * rotation.Matrix * scale.Matrix);
                }

                /// <summary>
                /// Updates all attribute definitions contained in the block reference as <see cref="AttributeDefinition"/> entities in the insert.
                /// </summary>
                /// <remarks>
                /// This will update the attributes based on their <see cref="AttributeBase.Tag"/>.
                /// </remarks>
                public void UpdateAttributes()
                {
                        var atts = this.Attributes.ToArray();

                        foreach (AttributeEntity att in atts)
                        {
                                //Tags are not unique, is it needed? check how the different applications link the atts
                                if (!this.Block.AttributeDefinitions.Select(d => d.Tag).Contains(att.Tag))
                                {
                                        this.Attributes.Remove(att);
                                }
                        }

                        foreach (AttributeDefinition attdef in this.Block.AttributeDefinitions)
                        {
                                if (!this.Attributes.Select(d => d.Tag).Contains(attdef.Tag))
                                {
                                        AttributeEntity att = new AttributeEntity(attdef);

                                        this.Attributes.Add(att);
                                }
                        }
                }

                internal override void AssignDocument(CadDocument doc)
                {
                        base.AssignDocument(doc);

                        doc.RegisterCollection(this.Attributes);

                        //Should only be triggered for internal use
                        if (this.Block == null)
                                return;

                        if (doc.BlockRecords.TryGetValue(this.Block.Name, out BlockRecord blk))
                        {
                                this.Block = blk;
                        }
                        else
                        {
                                doc.BlockRecords.Add(this.Block);
                        }
                }

                internal override void UnassignDocument()
                {
                        this.Block = (BlockRecord)this.Block.Clone();
                        this.Document.UnregisterCollection(this.Attributes);

                        base.UnassignDocument();
                }
        }
}

1	using ACadSharp.Attributes;
2	using ACadSharp.Extensions;
3	using ACadSharp.Objects;
4	using ACadSharp.Tables;
5	using CSMath;
6	using System;
7	using System.Collections.Generic;
8	using System.Linq;
9
10	namespace ACadSharp.Entities
11	{
12	/// <summary>
13	/// Represents a <see cref="Insert"/> entity.
14	/// </summary>
15	/// <remarks>
16	/// Object name <see cref="DxfFileToken.EntityInsert"/> <br/>
17	/// Dxf class name <see cref="DxfSubclassMarker.Insert"/>
18	/// </remarks>
19	[DxfName(DxfFileToken.EntityInsert)]
20	[DxfSubClass(DxfSubclassMarker.Insert)]
21	public class Insert : Entity
22	{
23	/// <summary>
24	/// Attributes from the block reference
25	/// </summary>
26	/// <remarks>
27	/// If an attribute should be added in this collection a definition will be added into the block reference as well
28	/// </remarks>
29	public SeqendCollection<AttributeEntity> Attributes { get; private set; }	19,304✔
30
31	/// <summary>
32	/// Gets the insert block definition.
33	/// </summary>
34	[DxfCodeValue(DxfReferenceType.Name, 2)]
35	public BlockRecord Block { get; internal set; }	18,768✔
36
37	/// <summary>
38	/// Column count
39	/// </summary>
40	[DxfCodeValue(DxfReferenceType.Optional, 70)]
41	public ushort ColumnCount { get; set; } = 1;	8,950✔
42
43	/// <summary>
44	/// Column spacing
45	/// </summary>
46	[DxfCodeValue(DxfReferenceType.Optional, 44)]
47	public double ColumnSpacing { get; set; } = 0;	8,523✔
48
49	/// <summary>
50	/// True if the insert has attribute entities in it
51	/// </summary>
52	[DxfCodeValue(DxfReferenceType.Ignored, 66)]
53	public bool HasAttributes
54	{ get { return this.Attributes.Any(); } }	1,323✔
55
56	/// <inheritdoc/>
57	public override bool HasDynamicSubclass => true;	2✔
58
59	/// <summary>
60	/// A 3D WCS coordinate representing the insertion or origin point.
61	/// </summary>
62	[DxfCodeValue(10, 20, 30)]
63	public XYZ InsertPoint { get; set; } = XYZ.Zero;	46,275✔
64
65	/// <summary>
66	/// Specifies the rotation angle for the object.
67	/// </summary>
68	public bool IsMultiple { get { return this.RowCount > 1 \|\| this.ColumnCount > 1; } }	1,095✔
69
70	/// <summary>
71	/// Specifies the three-dimensional normal unit vector for the object.
72	/// </summary>
73	[DxfCodeValue(210, 220, 230)]
74	public XYZ Normal { get; set; } = XYZ.AxisZ;	10,699✔
75
76	/// <inheritdoc/>
77	public override string ObjectName => DxfFileToken.EntityInsert;	16,973✔
78
79	/// <inheritdoc/>
80	public override ObjectType ObjectType
81	{
82	get
83	{	86✔
84	if (this.RowCount > 1 \|\| this.ColumnCount > 1)	86✔
85	{	16✔
86	return ObjectType.MINSERT;	16✔
87	}
88	else
89	{	70✔
90	return ObjectType.INSERT;	70✔
91	}
92	}	86✔
93	}
94
95	/// <summary>
96	/// Specifies the rotation angle for the object.
97	/// </summary>
98	/// <value>
99	/// The rotation angle in radians.
100	/// </value>
101	[DxfCodeValue(DxfReferenceType.IsAngle, 50)]
102	public double Rotation { get; set; } = 0.0;	11,371✔
103
104	/// <summary>
105	/// Row count
106	/// </summary>
107	[DxfCodeValue(DxfReferenceType.Optional, 71)]
108	public ushort RowCount { get; set; } = 1;	8,974✔
109
110	/// <summary>
111	/// Row spacing
112	/// </summary>
113	[DxfCodeValue(DxfReferenceType.Optional, 45)]
114	public double RowSpacing { get; set; } = 0;	8,523✔
115
116	/// <summary>
117	/// Gets or set the spatial filter entry for this <see cref="Insert"/> entity.
118	/// </summary>
119	public SpatialFilter SpatialFilter
120	{
121	get
122	{	×
123	if (this.XDictionary != null	×
124	&& this.XDictionary.TryGetEntry(Filter.FilterEntryName, out CadDictionary filters))	×
125	{	×
126	return filters.GetEntry<SpatialFilter>(SpatialFilter.SpatialFilterEntryName);	×
127	}
128
129	return null;	×
130	}	×
131	set
132	{	11✔
133	if (this.XDictionary == null)	11✔
134	{	11✔
135	this.CreateExtendedDictionary();	11✔
136	}	11✔
137
138	if (!this.XDictionary.TryGetEntry(Filter.FilterEntryName, out CadDictionary filters))	11✔
139	{	11✔
140	filters = new CadDictionary(Filter.FilterEntryName);	11✔
141	this.XDictionary.Add(filters);	11✔
142	}	11✔
143
144	filters.Remove(SpatialFilter.SpatialFilterEntryName);	11✔
145	filters.Add(SpatialFilter.SpatialFilterEntryName, value);	11✔
146	}	11✔
147	}
148
149	/// <inheritdoc/>
150	public override string SubclassMarker => this.IsMultiple ? DxfSubclassMarker.MInsert : DxfSubclassMarker.Insert;	322!
151
152	/// <summary>
153	/// X scale factor.
154	/// </summary>
155	[DxfCodeValue(41)]
156	public double XScale
157	{
158	get
159	{	440✔
160	return this._xscale;	440✔
161	}	440✔
162	set
163	{	4,936✔
164	if (value.Equals(0))	4,936✔
165	{	1✔
166	string name = nameof(this.XScale);	1✔
167	throw new ArgumentOutOfRangeException(name, value, $"{name} value must be none zero.");	1✔
168	}
169	this._xscale = value;	4,935✔
170	}	4,935✔
171	}
172
173	/// <summary>
174	/// Y scale factor.
175	/// </summary>
176	[DxfCodeValue(42)]
177	public double YScale
178	{
179	get
180	{	379✔
181	return this._yscale;	379✔
182	}	379✔
183	set
184	{	4,732✔
185	if (value.Equals(0))	4,732✔
186	{	1✔
187	string name = nameof(this.YScale);	1✔
188	throw new ArgumentOutOfRangeException(name, value, $"{name} value must be none zero.");	1✔
189	}
190	this._yscale = value;	4,731✔
191	}	4,731✔
192	}
193
194	/// <summary>
195	/// Z scale factor.
196	/// </summary>
197	[DxfCodeValue(43)]
198	public double ZScale
199	{
200	get
201	{	373✔
202	return this._zscale;	373✔
203	}	373✔
204	set
205	{	4,721✔
206	if (value.Equals(0))	4,721✔
207	{	1✔
208	string name = nameof(this.ZScale);	1✔
209	throw new ArgumentOutOfRangeException(name, value, $"{name} value must be none zero.");	1✔
210	}
211	this._zscale = value;	4,720✔
212	}	4,720✔
213	}
214
215	private double _xscale = 1;	8,171✔
216
217	private double _yscale = 1;	8,171✔
218
219	private double _zscale = 1;	8,171✔
220
221	/// <summary>
222	/// Constructor to reference an insert to a block record
223	/// </summary>
224	/// <param name="block">Block Record to reference</param>
225	/// <exception cref="ArgumentNullException"></exception>
226	public Insert(BlockRecord block) : this()	95✔
227	{	95✔
228	if (block is null) throw new ArgumentNullException(nameof(block));	95!
229
230	if (block.Document != null)	95✔
231	{	46✔
232	this.Block = (BlockRecord)block.Clone();	46✔
233	}	46✔
234	else
235	{	49✔
236	this.Block = block;	49✔
237	}	49✔
238
239	foreach (var item in block.AttributeDefinitions)	335✔
240	{	25✔
241	this.Attributes.Add(new AttributeEntity(item));	25✔
242	}	25✔
243	}	95✔
244
245	internal Insert() : base()	8,171✔
246	{	8,171✔
247	this.Attributes = new SeqendCollection<AttributeEntity>(this);	8,171✔
248	}	8,171✔
249
250	/// <inheritdoc/>
251	public override void ApplyTransform(Transform transform)
252	{	×
253	XYZ newPosition = transform.ApplyTransform(this.InsertPoint);	×
254	XYZ newNormal = this.transformNormal(transform, this.Normal);	×
255
256	Matrix3 transOW = Matrix3.ArbitraryAxis(this.Normal);	×
257	transOW *= Matrix3.RotationZ(this.Rotation);	×
258
259	Matrix3 transWO = Matrix3.ArbitraryAxis(newNormal);	×
260	transWO = transWO.Transpose();	×
261
262	var transformation = new Matrix3(transform.Matrix);	×
263	XYZ v = transOW * XYZ.AxisX;	×
264	v = transformation * v;	×
265	v = transWO * v;	×
266	double newRotation = new XY(v.X, v.Y).GetAngle();	×
267
268	transWO = Matrix3.RotationZ(newRotation).Transpose() * transWO;	×
269
270	XYZ s = transOW * new XYZ(this.XScale, this.YScale, this.ZScale);	×
271	s = transformation * s;	×
272	s = transWO * s;	×
273	XYZ newScale = new XYZ(	×
274	MathHelper.IsZero(s.X) ? MathHelper.Epsilon : s.X,	×
275	MathHelper.IsZero(s.Y) ? MathHelper.Epsilon : s.Y,	×
276	MathHelper.IsZero(s.Z) ? MathHelper.Epsilon : s.Z);	×
277
278	this.Normal = newNormal;	×
279	this.InsertPoint = newPosition;	×
280	this.XScale = newScale.X;	×
281	this.YScale = newScale.Y;	×
282	this.ZScale = newScale.Z;	×
283	this.Rotation = newRotation;	×
284
285	foreach (AttributeEntity att in this.Attributes)	×
286	{	×
287	att.ApplyTransform(transform);	×
288	}	×
289	}	×
290
291	/// <inheritdoc/>
292	public override CadObject Clone()
293	{	182✔
294	Insert clone = (Insert)base.Clone();	182✔
295
296	clone.Block = (BlockRecord)this.Block?.Clone();	182✔
297
298	clone.Attributes = new SeqendCollection<AttributeEntity>(clone);	182✔
299	foreach (var att in this.Attributes)	548✔
300	{	1✔
301	clone.Attributes.Add((AttributeEntity)att.Clone());	1✔
302	}	1✔
303
304	return clone;	182✔
305	}	182✔
306
307	/// <summary>
308	/// Returns an enumerable collection of entities representing the exploded contents of the block, with all entities
309	/// transformed into the current coordinate system.
310	/// </summary>
311	/// <remarks>The returned entities are clones or converted equivalents of the original block entities, with
312	/// geometric transformations applied. For example, arcs and circles are converted to their corresponding geometric
313	/// representations. The original block and its entities remain unchanged.</remarks>
314	/// <returns>An enumerable collection of <see cref="Entity"/> objects that make up the exploded block. Each entity is
315	/// transformed according to the block's transform. The collection may be empty if the block contains no entities.</returns>
316	public IEnumerable<Entity> Explode()
317	{	×
318	Transform transform = this.GetTransform();	×
319	foreach (var e in this.Block.Entities)	×
320	{	×
321	Entity c;
322	switch (e)	×
323	{
324	case Arc arc:
325	arc.GetEndVertices(out XYZ start, out XYZ end);	×
326
327	Arc a;
NEW 328	if (arc.IsCounterClockWise)	×
NEW 329	{	×
NEW 330	a = new Arc(	×
NEW 331	transform.ApplyTransform(arc.Center),	×
NEW 332	transform.ApplyTransform(end),	×
NEW 333	transform.ApplyTransform(start),	×
NEW 334	arc.Normal);	×
NEW 335	}	×
336	else
NEW 337	{	×
NEW 338	a = new Arc(	×
NEW 339	transform.ApplyTransform(arc.Center),	×
NEW 340	transform.ApplyTransform(start),	×
NEW 341	transform.ApplyTransform(end),	×
NEW 342	arc.Normal);	×
NEW 343	}	×
344
345	a.MatchProperties(e);	×
346
347	yield return a;	×
348	continue;	×
349	case Circle circle:
350	c = new Ellipse()	×
351	{	×
352	MajorAxisEndPoint = XYZ.AxisX * circle.Radius,	×
353	RadiusRatio = 1,	×
354	Center = circle.Center,	×
355	Normal = circle.Normal,	×
356	};	×
357	c.MatchProperties(e);	×
358	break;	×
359	default:
360	c = e.CloneTyped();	×
361	break;	×
362	}
363
364	c.ApplyTransform(transform);	×
365
366	yield return c;	×
367	}	×
368	}	×
369
370	/// <inheritdoc/>
371	public override BoundingBox GetBoundingBox()
372	{	2✔
373	BoundingBox box = this.Block.GetBoundingBox();	2✔
374
375	var scale = new XYZ(this.XScale, this.YScale, this.ZScale);	2✔
376	var min = box.Min * scale + this.InsertPoint;	2✔
377	var max = box.Max * scale + this.InsertPoint;	2✔
378
379	return new BoundingBox(min, max);	2✔
380	}	2✔
381
382	/// <summary>
383	/// Get the transform that will be applied to the entities in the <see cref="BlockRecord"/> when this entity is processed.
384	/// </summary>
385	/// <returns></returns>
386	public Transform GetTransform()
387	{	1✔
388	var world = Matrix4.GetArbitraryAxis(this.Normal);	1✔
389	var translation = Transform.CreateTranslation(this.InsertPoint);	1✔
390	var rotation = Transform.CreateRotation(XYZ.AxisZ, this.Rotation);	1✔
391	var scale = Transform.CreateScaling(new XYZ(this.XScale, this.YScale, this.ZScale));	1✔
392
393	return new Transform(world * translation.Matrix * rotation.Matrix * scale.Matrix);	1✔
394	}	1✔
395
396	/// <summary>
397	/// Updates all attribute definitions contained in the block reference as <see cref="AttributeDefinition"/> entities in the insert.
398	/// </summary>
399	/// <remarks>
400	/// This will update the attributes based on their <see cref="AttributeBase.Tag"/>.
401	/// </remarks>
402	public void UpdateAttributes()
403	{	×
404	var atts = this.Attributes.ToArray();	×
405
406	foreach (AttributeEntity att in atts)	×
407	{	×
408	//Tags are not unique, is it needed? check how the different applications link the atts
409	if (!this.Block.AttributeDefinitions.Select(d => d.Tag).Contains(att.Tag))	×
410	{	×
411	this.Attributes.Remove(att);	×
412	}	×
413	}	×
414
415	foreach (AttributeDefinition attdef in this.Block.AttributeDefinitions)	×
416	{	×
417	if (!this.Attributes.Select(d => d.Tag).Contains(attdef.Tag))	×
418	{	×
419	AttributeEntity att = new AttributeEntity(attdef);	×
420
421	this.Attributes.Add(att);	×
422	}	×
423	}	×
424	}	×
425
426	internal override void AssignDocument(CadDocument doc)
427	{	8,350✔
428	base.AssignDocument(doc);	8,350✔
429
430	doc.RegisterCollection(this.Attributes);	8,350✔
431
432	//Should only be triggered for internal use
433	if (this.Block == null)	8,350✔
434	return;	7,880✔
435
436	if (doc.BlockRecords.TryGetValue(this.Block.Name, out BlockRecord blk))	470✔
437	{	171✔
438	this.Block = blk;	171✔
439	}	171✔
440	else
441	{	299✔
442	doc.BlockRecords.Add(this.Block);	299✔
443	}	299✔
444	}	8,350✔
445
446	internal override void UnassignDocument()
447	{	205✔
448	this.Block = (BlockRecord)this.Block.Clone();	205✔
449	this.Document.UnregisterCollection(this.Attributes);	205✔
450
451	base.UnassignDocument();	205✔
452	}	205✔
453	}
454	}

DomCR / ACadSharp / 22018275163

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