Pdf project branch

src/ACadSharp/CadDocument.cs

@@ -249,7 +249,7 @@ public void CreateDefaults()
  this.Header = new CadHeader(this);
  this.SummaryInfo = new CadSummaryInfo();
 
- //The order of the elements is rellevant for the handles assignation
+ //The order of the elements is relevant for the handles assignation
 
  //Initialize tables
  this.BlockRecords ??= new BlockRecordsTable(this);

src/ACadSharp/Entities/Viewport.cs

@@ -56,6 +56,9 @@ public class Viewport : Entity
  /// <summary>
  /// Viewport ID.
  /// </summary>
+ /// <remarks>
+ /// The first value for a PaperSpace will represent the paper image in the screen.
+ /// </remarks>
  [DxfCodeValue(69)]
  public short Id
  {
@@ -348,6 +351,16 @@ public Scale Scale
  }
  }
 
+ public double ScaleFactor => 1 / (this.ViewHeight / this.Height);
+
+ public bool RepresentsPaper
+ {
+ get
+ {
+ return this.Id == PaperViewId;
+ }
+ }
+
  private Scale _scale;
 
  /// <inheritdoc/>

src/ACadSharp/Objects/PlotSettings.cs

@@ -159,7 +159,7 @@ public double DenominatorScale
  public PlotPaperUnits PaperUnits { get; set; } = PlotPaperUnits.Milimeters;
 
  /// <summary>
- /// Plot paper units.
+ /// Plot paper rotation.
  /// </summary>
  [DxfCodeValue(73)]
  public PlotRotation PaperRotation { get; set; }

src/ACadSharp/Objects/Scale.cs

@@ -1,4 +1,5 @@
 using ACadSharp.Attributes;
+using CSMath;
 
 namespace ACadSharp.Objects
 {
@@ -13,6 +14,8 @@ namespace ACadSharp.Objects
  [DxfSubClass(DxfSubclassMarker.Scale)]
  public class Scale : NonGraphicalObject
  {
+ public static Scale Default { get { return new Scale { Name = "1:1", PaperUnits = 1.0, DrawingUnits = 1.0, IsUnitScale = true }; } }
+
  /// <inheritdoc/>
  public override ObjectType ObjectType { get { return ObjectType.UNLISTED; } }
 
@@ -56,10 +59,30 @@ public override string Name
  [DxfCodeValue(290)]
  public bool IsUnitScale { get; set; }
 
+ public double ScaleFactor => this.PaperUnits / this.DrawingUnits;
+
  public Scale() { }
 
  public Scale(string name) : base(name)
  {
  }
+
+ public double ApplyTo(double value)
+ {
+ return value * ScaleFactor;
+ }
+
+ public T ApplyTo<T>(T value)
+ where T : IVector, new()
+ {
+ T result = new();
+
+ for (int i = 0; i < value.Dimension; i++)
+ {
+ result[i] = ApplyTo(value[i]);
+ }
+
+ return result;
+ }
  }
 }

src/ACadSharp/Tables/BlockRecord.cs

@@ -88,19 +88,19 @@ public static BlockRecord PaperSpace
  public new BlockTypeFlags Flags { get { return this.BlockEntity.Flags; } set { this.BlockEntity.Flags = value; } }
 
  /// <summary>
- /// Specifies whether the block can be exploded
+ /// Specifies whether the block can be exploded.
  /// </summary>
  [DxfCodeValue(DxfReferenceType.Optional, 280)]
  public bool IsExplodable { get; set; }
 
  /// <summary>
- /// Specifies the scaling allowed for the block
+ /// Specifies the scaling allowed for the block.
  /// </summary>
  [DxfCodeValue(DxfReferenceType.Optional, 281)]
  public bool CanScale { get; set; } = true;
 
  /// <summary>
- /// DXF: Binary data for bitmap preview
+ /// DXF: Binary data for bitmap preview.
  /// </summary>
  /// <remarks>
  /// Optional
@@ -109,7 +109,7 @@ public static BlockRecord PaperSpace
  public byte[] Preview { get; set; }
 
  /// <summary>
- /// Associated Layout
+ /// Associated Layout.
  /// </summary>
  [DxfCodeValue(DxfReferenceType.Handle, 340)]
  public Layout Layout
@@ -144,7 +144,7 @@ public bool HasAttributes
  }
 
  /// <summary>
- /// Viewports attached to this block
+ /// ViewPorts attached to this block
  /// </summary>
  public IEnumerable<Viewport> Viewports
  {

src/ACadSharp/Types/Lineweight.cs → src/ACadSharp/Types/LineWeightType.cs

@@ -5,116 +5,116 @@ public enum LineweightType : short
  ByDIPs = -4,
 
  /// <summary>
- /// Default lineweight.
+ /// Default line weight.
  /// </summary>
  Default = -3,
 
  /// <summary>
- /// Lineweight defined by block.
+ /// Line weight defined by block.
  /// </summary>
  ByBlock = -2,
 
  /// <summary>
- /// Lineweight defined by layer.
+ /// Line weight defined by layer.
  /// </summary>
  ByLayer = -1,
 
  /// <summary>
- /// Lineweight value 0.00 mm (hairline).
+ /// Line weight value 0.00 mm (hairline).
  /// </summary>
  W0 = 0,
 
  /// <summary>
- /// Lineweight value 0.05 mm.
+ /// Line weight value 0.05 mm.
  /// </summary>
  W5 = 5,
 
  /// <summary>
- /// Lineweight value 0.09 mm.
+ /// Line weight value 0.09 mm.
  /// </summary>
  W9 = 9,
  /// <summary>
- /// Lineweight value 0.13 mm.
+ /// Line weight value 0.13 mm.
  /// </summary>
  W13 = 13,
  /// <summary>
- /// Lineweight value 0.15 mm.
+ /// Line weight value 0.15 mm.
  /// </summary>
  W15 = 15,
  /// <summary>
- /// Lineweight value 0.18 mm.
+ /// Line weight value 0.18 mm.
  /// </summary>
  W18 = 18,
  /// <summary>
- /// Lineweight value 0.20 mm.
+ /// Line weight value 0.20 mm.
  /// </summary>
  W20 = 20,
  /// <summary>
- /// Lineweight value 0.25 mm.
+ /// Line weight value 0.25 mm.
  /// </summary>
  W25 = 25,
  /// <summary>
- /// Lineweight value 0.30 mm.
+ /// Line weight value 0.30 mm.
  /// </summary>
  W30 = 30,
  /// <summary>
- /// Lineweight value 0.35 mm.
+ /// Line weight value 0.35 mm.
  /// </summary>
  W35 = 35,
  /// <summary>
- /// Lineweight value 0.40 mm.
+ /// Line weight value 0.40 mm.
  /// </summary>
  W40 = 40,
  /// <summary>
- /// Lineweight value 0.50 mm.
+ /// Line weight value 0.50 mm.
  /// </summary>
  W50 = 50,
  /// <summary>
- /// Lineweight value 0.53 mm.
+ /// Line weight value 0.53 mm.
  /// </summary>
  W53 = 53,
  /// <summary>
- /// Lineweight value 0.60 mm.
+ /// Line weight value 0.60 mm.
  /// </summary>
  W60 = 60,
  /// <summary>
- /// Lineweight value 0.70 mm.
+ /// Line weight value 0.70 mm.
  /// </summary>
  W70 = 70,
  /// <summary>
- /// Lineweight value 0.80 mm.
+ /// Line weight value 0.80 mm.
  /// </summary>
  W80 = 80,
  /// <summary>
- /// Lineweight value 0.90 mm.
+ /// Line weight value 0.90 mm.
  /// </summary>
  W90 = 90,
  /// <summary>
- /// Lineweight value 1.00 mm.
+ /// Line weight value 1.00 mm.
  /// </summary>
  W100 = 100,
  /// <summary>
- /// Lineweight value 1.06 mm.
+ /// Line weight value 1.06 mm.
  /// </summary>
  W106 = 106,
  /// <summary>
- /// Lineweight value 1.20 mm.
+ /// Line weight value 1.20 mm.
  /// </summary>
  W120 = 120,
  /// <summary>
- /// Lineweight value 1.40 mm.
+ /// Line weight value 1.40 mm.
  /// </summary>
  W140 = 140,
  /// <summary>
- /// Lineweight value 1.58 mm.
+ /// Line weight value 1.58 mm.
  /// </summary>
  W158 = 158,
  /// <summary>
- /// Lineweight value 2.00 mm.
+ /// Line weight value 2.00 mm.
  /// </summary>
  W200 = 200,
  /// <summary>
- /// Lineweight value 2.11 mm.
+ /// Line weight value 2.11 mm.
  /// </summary>
  W211 = 211
  }