Tolerance entity

ACadSharp.Tests/Data/document_tree.json

@@ -1733,6 +1733,60 @@
             "OwnerHandle": 31,
             "DictionaryHandle": 0,
             "Children": []
+          },
+          {
+            "Color": null,
+            "LayerName": "0",
+            "IsInvisible": false,
+            "Transparency": {
+              "IsByLayer": false,
+              "IsByBlock": false,
+              "Value": 0
+            },
+            "LinetypeName": "ByLayer",
+            "LinetypeScale": 1.0,
+            "LineWeight": -1,
+            "ACadName": "Autodesk.AutoCAD.DatabaseServices.FeatureControlFrame",
+            "Handle": 2082,
+            "OwnerHandle": 31,
+            "DictionaryHandle": 0,
+            "Children": []
+          },
+          {
+            "Color": null,
+            "LayerName": "0",
+            "IsInvisible": false,
+            "Transparency": {
+              "IsByLayer": false,
+              "IsByBlock": false,
+              "Value": 0
+            },
+            "LinetypeName": "ByLayer",
+            "LinetypeScale": 1.0,
+            "LineWeight": -1,
+            "ACadName": "Autodesk.AutoCAD.DatabaseServices.FeatureControlFrame",
+            "Handle": 2083,
+            "OwnerHandle": 31,
+            "DictionaryHandle": 0,
+            "Children": []
+          },
+          {
+            "Color": null,
+            "LayerName": "0",
+            "IsInvisible": false,
+            "Transparency": {
+              "IsByLayer": false,
+              "IsByBlock": false,
+              "Value": 0
+            },
+            "LinetypeName": "ByLayer",
+            "LinetypeScale": 1.0,
+            "LineWeight": -1,
+            "ACadName": "Autodesk.AutoCAD.DatabaseServices.FeatureControlFrame",
+            "Handle": 2084,
+            "OwnerHandle": 31,
+            "DictionaryHandle": 0,
+            "Children": []
           }
         ],
         "Name": "*Model_Space",

ACadSharp.Tests/IO/DWG/DwgWriterTests.cs

@@ -157,38 +157,5 @@ private void addEntities(CadDocument doc)
 			doc.Entities.Add(EntityFactory.Create<Point>());
 			doc.Entities.Add(EntityFactory.Create<Line>());
 		}
-
-		private bool isSupportedVersion(ACadVersion version)
-		{
-			switch (version)
-			{
-				case ACadVersion.MC0_0:
-				case ACadVersion.AC1_2:
-				case ACadVersion.AC1_4:
-				case ACadVersion.AC1_50:
-				case ACadVersion.AC2_10:
-				case ACadVersion.AC1002:
-				case ACadVersion.AC1003:
-				case ACadVersion.AC1004:
-				case ACadVersion.AC1006:
-				case ACadVersion.AC1009:
-				case ACadVersion.AC1012:
-					return false;
-				case ACadVersion.AC1014:
-				case ACadVersion.AC1015:
-				case ACadVersion.AC1018:
-					return true;
-				case ACadVersion.AC1021:
-					return false;
-				case ACadVersion.AC1024:
-					return true;
-				case ACadVersion.AC1027:
-				case ACadVersion.AC1032:
-					return true;
-				case ACadVersion.Unknown:
-				default:
-					return false;
-			}
-		}
 	}
 }

ACadSharp.Tests/IO/IOTestsBase.cs

@@ -281,5 +281,38 @@ protected static void loadSamples(string folder, string ext, TheoryData<string>
 				files.Add(string.Empty);
 			}
 		}
+
+		protected bool isSupportedVersion(ACadVersion version)
+		{
+			switch (version)
+			{
+				case ACadVersion.MC0_0:
+				case ACadVersion.AC1_2:
+				case ACadVersion.AC1_4:
+				case ACadVersion.AC1_50:
+				case ACadVersion.AC2_10:
+				case ACadVersion.AC1002:
+				case ACadVersion.AC1003:
+				case ACadVersion.AC1004:
+				case ACadVersion.AC1006:
+				case ACadVersion.AC1009:
+				case ACadVersion.AC1012:
+					return false;
+				case ACadVersion.AC1014:
+				case ACadVersion.AC1015:
+				case ACadVersion.AC1018:
+					return true;
+				case ACadVersion.AC1021:
+					return false;
+				case ACadVersion.AC1024:
+					return true;
+				case ACadVersion.AC1027:
+				case ACadVersion.AC1032:
+					return true;
+				case ACadVersion.Unknown:
+				default:
+					return false;
+			}
+		}
 	}
 }

ACadSharp/Entities/Dimension.cs

@@ -105,7 +105,6 @@ public DimensionType Flags
 		[DxfCodeValue(42)]
 		public double Measurement { get; internal set; }
 
-
 		/// <summary>
 		/// Gets or sets a value indicating whether the first arrow
 		/// is to be flipped.
@@ -120,7 +119,6 @@ public DimensionType Flags
 		[DxfCodeValue(74)]
 		public bool FlipArrow1 { get; set; }
 
-
 		/// <summary>
 		/// Gets or sets a value indicating whether the second arrow
 		/// to be flipped.
@@ -135,7 +133,6 @@ public DimensionType Flags
 		[DxfCodeValue(75)]
 		public bool FlipArrow2 { get; set; }
 
-
 		/// <summary>
 		/// Dimension text explicitly entered by the user
 		/// </summary>

ACadSharp/Entities/Tolerance.cs

@@ -0,0 +1,79 @@
+using ACadSharp.Attributes;
+using ACadSharp.Tables;
+using CSMath;
+using System;
+
+namespace ACadSharp.Entities
+{
+	/// <summary>
+	/// Represents a <see cref="Tolerance"/> entity.
+	/// </summary>
+	/// <remarks>
+	/// Object name <see cref="DxfFileToken.EntityTolerance"/> <br/>
+	/// Dxf class name <see cref="DxfSubclassMarker.Tolerance"/>
+	/// </remarks>
+	[DxfName(DxfFileToken.EntityTolerance)]
+	[DxfSubClass(DxfSubclassMarker.Tolerance)]
+	public class Tolerance : Entity
+	{
+		/// <inheritdoc/>
+		public override ObjectType ObjectType => ObjectType.TOLERANCE;
+
+		/// <inheritdoc/>
+		public override string ObjectName => DxfFileToken.EntityTolerance;
+
+		/// <inheritdoc/>
+		public override string SubclassMarker => DxfSubclassMarker.Tolerance;
+
+		/// <summary>
+		/// Dimension style
+		/// </summary>
+		[DxfCodeValue(DxfReferenceType.Name, 3)]
+		public DimensionStyle Style
+		{
+			get { return this._style; }
+			set
+			{
+				if (value == null)
+				{
+					throw new ArgumentNullException(nameof(value));
+				}
+
+				if (this.Document != null)
+				{
+					this._style = this.updateTable(value, this.Document.DimensionStyles);
+				}
+				else
+				{
+					this._style = value;
+				}
+			}
+		}
+
+		/// <summary>
+		/// Insertion point (in WCS)
+		/// </summary>
+		[DxfCodeValue(10, 20, 30)]
+		public XYZ InsertionPoint { get; set; }
+
+		/// <summary>
+		/// X-axis direction vector (in WCS)
+		/// </summary>
+		[DxfCodeValue(11, 21, 31)]
+		public XYZ Direction { get; set; }
+
+		/// <summary>
+		/// Specifies the three-dimensional normal unit vector for the object.
+		/// </summary>
+		[DxfCodeValue(210, 220, 230)]
+		public XYZ Normal { get; set; } = XYZ.AxisZ;
+
+		/// <summary>
+		/// Visual representation of the tolerance
+		/// </summary>
+		[DxfCodeValue(1)]
+		public string Text { get; set; }
+
+		private DimensionStyle _style = DimensionStyle.Default;
+	}
+}

ACadSharp/IO/DWG/DwgStreamReaders/DwgObjectReader.cs

@@ -14,6 +14,7 @@
 using System;
 using ACadSharp.Types;
 using static ACadSharp.Objects.MultiLeaderAnnotContext;
+using System.Net;
 
 namespace ACadSharp.IO.DWG
 {
@@ -828,6 +829,7 @@ private CadTemplate readObject(ObjectType type)
 					template = this.readLeader();
 					break;
 				case ObjectType.TOLERANCE:
+					template = this.readTolerance();
 					break;
 				case ObjectType.MLINE:
 					template = this.readMLine();
@@ -3314,6 +3316,42 @@ private CadTemplate readMultiLeaderStyle()
 			return template;
 		}
 
+		private CadTemplate readTolerance()
+		{
+			Tolerance tolerance = new Tolerance();
+			CadToleranceTemplate template = new CadToleranceTemplate(tolerance);
+
+			//Common Entity Data
+			this.readCommonEntityData(template);
+
+			//R13 - R14 Only:
+			if (this.R13_14Only)
+			{
+				//Unknown short S
+				short s = this._objectReader.ReadBitShort();
+				//Height BD --
+				double height = this._objectReader.ReadBitDouble();
+				//Dimgap(?) BD dimgap at time of creation, *dimscale
+				double dimscale = this._objectReader.ReadBitDouble();
+			}
+
+			//Common:
+			//Ins pt 3BD 10
+			tolerance.InsertionPoint = this._objectReader.Read3BitDouble();
+			//X direction 3BD 11
+			tolerance.Direction = this._objectReader.Read3BitDouble();
+			//Extrusion 3BD 210 etc.
+			tolerance.Normal = this._objectReader.Read3BitDouble();
+			//Text string BS 1
+			tolerance.Text = this._textReader.ReadVariableText();
+
+			//Common Entity Handle Data
+			//H DIMSTYLE(hard pointer)
+			template.DimensionStyleHandle = this.handleReference();
+
+			return template;
+		}
+
 		private CadTemplate readMLine()
 		{
 			MLine mline = new MLine();

ACadSharp/IO/DWG/DwgStreamWriters/DwgObjectWriter.Entities.cs

@@ -1,7 +1,6 @@
 using ACadSharp.Entities;
 using CSMath;
 using System;
-using System.Collections;
 using System.Collections.Generic;
 using System.Linq;
 
@@ -147,9 +146,12 @@ private void writeEntity(Entity entity)
 							this.writeTextEntity(textEntity);
 							break;
 						default:
-							throw new NotImplementedException($"Entity not implemented : {entity.GetType().FullName}");
+							throw new NotImplementedException($"TextEntity not implemented : {entity.GetType().FullName}");
 					}
 					break;
+				case Tolerance tolerance:
+					this.writeTolerance(tolerance);
+					break;
 				case Vertex vertex:
 					switch (vertex)
 					{
@@ -1800,6 +1802,36 @@ private void writeVertex(Vertex vertex)
 			this._writer.Write3BitDouble(vertex.Location);
 		}
 
+		private void writeTolerance(Tolerance tolerance)
+		{
+			this.writeCommonEntityData(tolerance);
+
+			//R13 - R14 Only:
+			if (this.R13_14Only)
+			{
+				//Unknown short S
+				this._writer.WriteBitShort(0);
+				//Height BD --
+				this._writer.WriteBitDouble(0.0);
+				//Dimgap(?) BD dimgap at time of creation, *dimscale
+				this._writer.WriteBitDouble(0.0);
+			}
+
+			//Common:
+			//Ins pt 3BD 10
+			this._writer.Write3BitDouble(tolerance.InsertionPoint);
+			//X direction 3BD 11
+			this._writer.Write3BitDouble(tolerance.Direction);
+			//Extrusion 3BD 210 etc.
+			this._writer.Write3BitDouble(tolerance.Normal);
+			//Text string BS 1
+			this._writer.WriteVariableText(tolerance.Text);
+
+			//Common Entity Handle Data
+			//H DIMSTYLE(hard pointer)
+			this._writer.HandleReference(DwgReferenceType.HardPointer, tolerance.Style);
+		}
+
 		private void writeViewport(Viewport viewport)
 		{
 			//Center 3BD 10