24027584052

Committed 06 Apr 2026 09:59AM UTC coverage: 76.825% (-0.02%) from 76.841%

Build # 24027584052

Build Type

Pull #1022

github

Committed by

web-flow

Commit Message

Merge 7ed613d2f into bc22ae5fa

Pull Request Pull Request #1022: Issue-998 Improve Insert.GetBoundingBox for rotation and scaling

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60.63

/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.initCollections();
        }

        /// <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.initCollections();
                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 = 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;

                if (this.Rotation != 0)
                {
                        var t = Transform.CreateRotation(this.Normal, this.Rotation);
                        min = t.ApplyRotation(min);
                        max = t.ApplyRotation(max);
                }

                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();
        }

        private void initCollections()
        {
                this.Attributes = new SeqendCollection<AttributeEntity>(this);
                this.Attributes.OnAdd += this.onAddAttribute;
        }

        private void onAddAttribute(object sender, CollectionChangedEventArgs e)
        {
                Transform transform = this.GetTransform();
                (e.Item as AttributeEntity).ApplyTransform(transform);
        }
}

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; }	27,661✔
30
31	/// <summary>
32	/// Gets the insert block definition.
33	/// </summary>
34	[DxfCodeValue(DxfReferenceType.Name, 2)]
35	public BlockRecord Block { get; internal set; }	18,769✔
36
37	/// <summary>
38	/// Column count
39	/// </summary>
40	[DxfCodeValue(DxfReferenceType.Optional, 70)]
41	public ushort ColumnCount { get; set; } = 1;	8,953✔
42
43	/// <summary>
44	/// Column spacing
45	/// </summary>
46	[DxfCodeValue(DxfReferenceType.Optional, 44)]
47	public double ColumnSpacing { get; set; } = 0;	8,526✔
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;	47,672✔
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;	12,090✔
75
76	/// <inheritdoc/>
77	public override string ObjectName => DxfFileToken.EntityInsert;	18,401✔
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;	12,768✔
103
104	/// <summary>
105	/// Row count
106	/// </summary>
107	[DxfCodeValue(DxfReferenceType.Optional, 71)]
108	public ushort RowCount { get; set; } = 1;	8,977✔
109
110	/// <summary>
111	/// Row spacing
112	/// </summary>
113	[DxfCodeValue(DxfReferenceType.Optional, 45)]
114	public double RowSpacing { get; set; } = 0;	8,526✔
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	{	1,830✔
160	return this._xscale;	1,830✔
161	}	1,830✔
162	set
163	{	4,937✔
164	if (value.Equals(0))	4,937✔
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;	4,936✔
170	}	4,936✔
171	}
172
173	/// <summary>
174	/// Y scale factor.
175	/// </summary>
176	[DxfCodeValue(42)]
177	public double YScale
178	{
179	get
180	{	1,769✔
181	return this._yscale;	1,769✔
182	}	1,769✔
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	{	1,763✔
202	return this._zscale;	1,763✔
203	}	1,763✔
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;	8,174✔
216
217	private double _yscale = 1;	8,174✔
218
219	private double _zscale = 1;	8,174✔
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()	98✔
227	{	98✔
228	if (block is null) throw new ArgumentNullException(nameof(block));	98!
229
230	if (block.Document != null)	98✔
231	{	46✔
232	this.Block = (BlockRecord)block.Clone();	46✔
233	}	46✔
234	else
235	{	52✔
236	this.Block = block;	52✔
237	}	52✔
238
239	foreach (var item in block.AttributeDefinitions)	344✔
240	{	25✔
241	this.Attributes.Add(new AttributeEntity(item));	25✔
242	}	25✔
243	}	98✔
244
245	internal Insert() : base()	8,174✔
246	{	8,174✔
247	this.initCollections();	8,174✔
248	}	8,174✔
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	{	181✔
294	Insert clone = (Insert)base.Clone();	181✔
295
296	clone.Block = (BlockRecord)this.Block?.Clone();	181✔
297
298	clone.initCollections();	181✔
299	foreach (var att in this.Attributes)	545✔
300	{	1✔
301	clone.Attributes.Add((AttributeEntity)att.Clone());	1✔
302	}	1✔
303
304	return clone;	181✔
305	}	181✔
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 Arc(	×
328	transform.ApplyTransform(arc.Center),	×
329	transform.ApplyTransform(start),	×
330	transform.ApplyTransform(end),	×
331	arc.Normal);	×
332
333	a.MatchProperties(e);	×
334
335	yield return a;	×
336	continue;	×
337	case Circle circle:
338	c = new Ellipse()	×
339	{	×
340	MajorAxisEndPoint = XYZ.AxisX * circle.Radius,	×
341	RadiusRatio = 1,	×
342	Center = circle.Center,	×
343	Normal = circle.Normal,	×
344	};	×
345	c.MatchProperties(e);	×
346	break;	×
347	default:
348	c = e.CloneTyped();	×
349	break;	×
350	}
351
352	c.ApplyTransform(transform);	×
353
354	yield return c;	×
355	}	×
356	}	×
357
358	/// <inheritdoc/>
359	public override BoundingBox GetBoundingBox()
360	{	5✔
361	BoundingBox box = this.Block.GetBoundingBox();	5✔
362
363	var scale = new XYZ(this.XScale, this.YScale, this.ZScale);	5✔
364	var min = box.Min * scale + this.InsertPoint;	5✔
365	var max = box.Max * scale + this.InsertPoint;	5✔
366
367	if (this.Rotation != 0)	5✔
368	{	1✔
369	var t = Transform.CreateRotation(this.Normal, this.Rotation);	1✔
370	min = t.ApplyRotation(min);	1✔
371	max = t.ApplyRotation(max);	1✔
372	}	1✔
373
374	return new BoundingBox(min, max);	5✔
375	}	5✔
376
377	/// <summary>
378	/// Get the transform that will be applied to the entities in the <see cref="BlockRecord"/> when this entity is processed.
379	/// </summary>
380	/// <returns></returns>
381	public Transform GetTransform()
382	{	1,388✔
383	var world = Matrix4.GetArbitraryAxis(this.Normal);	1,388✔
384	var translation = Transform.CreateTranslation(this.InsertPoint);	1,388✔
385	var rotation = Transform.CreateRotation(XYZ.AxisZ, this.Rotation);	1,388✔
386	var scale = Transform.CreateScaling(new XYZ(this.XScale, this.YScale, this.ZScale));	1,388✔
387
388	return new Transform(world * translation.Matrix * rotation.Matrix * scale.Matrix);	1,388✔
389	}	1,388✔
390
391	/// <summary>
392	/// Updates all attribute definitions contained in the block reference as <see cref="AttributeDefinition"/> entities in the insert.
393	/// </summary>
394	/// <remarks>
395	/// This will update the attributes based on their <see cref="AttributeBase.Tag"/>.
396	/// </remarks>
397	public void UpdateAttributes()
398	{	×
399	var atts = this.Attributes.ToArray();	×
400
401	foreach (AttributeEntity att in atts)	×
402	{	×
403	//Tags are not unique, is it needed? check how the different applications link the atts
404	if (!this.Block.AttributeDefinitions.Select(d => d.Tag).Contains(att.Tag))	×
405	{	×
406	this.Attributes.Remove(att);	×
407	}	×
408	}	×
409
410	foreach (AttributeDefinition attdef in this.Block.AttributeDefinitions)	×
411	{	×
412	if (!this.Attributes.Select(d => d.Tag).Contains(attdef.Tag))	×
413	{	×
UNCOV 414	AttributeEntity att = new AttributeEntity(attdef);	×
415
UNCOV 416	this.Attributes.Add(att);	×
UNCOV 417	}	×
UNCOV 418	}	×
UNCOV 419	}	×
420
421	internal override void AssignDocument(CadDocument doc)
422	{	8,349✔
423	base.AssignDocument(doc);	8,349✔
424
425	doc.RegisterCollection(this.Attributes);	8,349✔
426
427	//Should only be triggered for internal use
428	if (this.Block == null)	8,349✔
429	return;	7,880✔
430
431	if (doc.BlockRecords.TryGetValue(this.Block.Name, out BlockRecord blk))	469✔
432	{	171✔
433	this.Block = blk;	171✔
434	}	171✔
435	else
436	{	298✔
437	doc.BlockRecords.Add(this.Block);	298✔
438	}	298✔
439	}	8,349✔
440
441	internal override void UnassignDocument()
442	{	205✔
443	this.Block = (BlockRecord)this.Block.Clone();	205✔
444	this.Document.UnregisterCollection(this.Attributes);	205✔
445
446	base.UnassignDocument();	205✔
447	}	205✔
448
449	private void initCollections()
450	{	8,355✔
451	this.Attributes = new SeqendCollection<AttributeEntity>(this);	8,355✔
452	this.Attributes.OnAdd += this.onAddAttribute;	8,355✔
453	}	8,355✔
454
455	private void onAddAttribute(object sender, CollectionChangedEventArgs e)
456	{	1,387✔
457	Transform transform = this.GetTransform();	1,387✔
458	(e.Item as AttributeEntity).ApplyTransform(transform);	1,387✔
459	}	1,387✔
460	}

DomCR / ACadSharp / 24027584052

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