/// <summary>
/// Creates a new Wipeout that is a copy of the current instance.
/// </summary>
/// <returns>A new Wipeout that is a copy of this instance.</returns>
public override object Clone()
{
Wipeout entity = new Wipeout((ClippingBoundary)this.ClippingBoundary.Clone())
{
//EntityObject properties
Layer = (Layer)this.layer.Clone(),
LineType = (LineType)this.lineType.Clone(),
Color = (AciColor)this.color.Clone(),
Lineweight = (Lineweight)this.lineweight.Clone(),
Transparency = (Transparency)this.transparency.Clone(),
LineTypeScale = this.lineTypeScale,
Normal = this.normal,
//Wipeout properties
//Brightness = this.brightness,
//Contrast = this.contrast,
//Fade = this.fade,
Elevation = this.elevation
};
foreach (XData data in this.xData.Values)
{
entity.XData.Add((XData)data.Clone());
}
return(entity);
}
/// <summary>
/// Creates a new Wipeout that is a copy of the current instance.
/// </summary>
/// <returns>A new Wipeout that is a copy of this instance.</returns>
public override object Clone()
{
Wipeout entity = new Wipeout((ClippingBoundary)this.ClippingBoundary.Clone())
{
//EntityObject properties
Layer = (Layer)this.Layer.Clone(),
Linetype = (Linetype)this.Linetype.Clone(),
Color = (AciColor)this.Color.Clone(),
Lineweight = this.Lineweight,
Transparency = (Transparency)this.Transparency.Clone(),
LinetypeScale = this.LinetypeScale,
Normal = this.Normal,
IsVisible = this.IsVisible,
//Wipeout properties
Elevation = this.elevation
};
foreach (XData data in this.XData.Values)
{
entity.XData.Add((XData)data.Clone());
}
return(entity);
}
private void WriteWipeout(Wipeout wipeout)
{
this.chunk.Write(100, SubclassMarker.Wipeout);
BoundingRectangle br = new BoundingRectangle(wipeout.ClippingBoundary.Vertexes);
Vector3 ocsInsPoint = new Vector3(br.Min.X, br.Min.Y, wipeout.Elevation);
double w = br.Width;
double h = br.Height;
double max = w >= h ? w : h;
Vector3 ocsUx = new Vector3(max, 0.0, 0.0);
Vector3 ocsUy = new Vector3(0.0, max, 0.0);
IList<Vector3> wcsPoints = MathHelper.Transform(new List<Vector3>{ocsInsPoint, ocsUx, ocsUy}, wipeout.Normal, CoordinateSystem.Object, CoordinateSystem.World);
// Insertion point in WCS
this.chunk.Write(10, wcsPoints[0].X);
this.chunk.Write(20, wcsPoints[0].Y);
this.chunk.Write(30, wcsPoints[0].Z);
// U vector in WCS
this.chunk.Write(11, wcsPoints[1].X);
this.chunk.Write(21, wcsPoints[1].Y);
this.chunk.Write(31, wcsPoints[1].Z);
// V vector in WCS
this.chunk.Write(12, wcsPoints[2].X);
this.chunk.Write(22, wcsPoints[2].Y);
this.chunk.Write(32, wcsPoints[2].Z);
this.chunk.Write(13, 1.0);
this.chunk.Write(23, 1.0);
//this.chunk.Write(280, wipeout.ShowClippingFrame ? (short) 1 : (short) 0);
this.chunk.Write(280, (short)1);
this.chunk.Write(281, (short)50);
this.chunk.Write(282, (short)50);
this.chunk.Write(283, (short)0);
this.chunk.Write(71, (short)wipeout.ClippingBoundary.Type);
if (wipeout.ClippingBoundary.Type == ClippingBoundaryType.Polygonal)
this.chunk.Write(91, wipeout.ClippingBoundary.Vertexes.Count + 1);
else
this.chunk.Write(91, wipeout.ClippingBoundary.Vertexes.Count);
foreach (Vector2 vertex in wipeout.ClippingBoundary.Vertexes)
{
double x = (vertex.X - ocsInsPoint.X)/max - 0.5;
double y = -((vertex.Y - ocsInsPoint.Y) / max - 0.5);
this.chunk.Write(14, x);
this.chunk.Write(24, y);
}
// for unknown reasons the wipeout with a polygonal clipping boundary requires to repeat the first vertex
if (wipeout.ClippingBoundary.Type == ClippingBoundaryType.Polygonal)
{
this.chunk.Write(14, (wipeout.ClippingBoundary.Vertexes[0].X - ocsInsPoint.X) / max - 0.5);
this.chunk.Write(24, -((wipeout.ClippingBoundary.Vertexes[0].Y - ocsInsPoint.Y) / max - 0.5));
}
this.WriteXData(wipeout.XData);
}
private Wipeout ReadWipeout()
{
Vector3 position = Vector3.Zero;
Vector3 u = Vector3.UnitX;
Vector3 v = Vector3.UnitY;
ClippingBoundaryType boundaryType = ClippingBoundaryType.Rectangular;
double x = 0.0;
List<Vector2> vertexes = new List<Vector2>();
List<XData> xData = new List<XData>();
this.chunk.Next();
while (this.chunk.Code != 0)
{
switch (this.chunk.Code)
{
case 10:
position.X = this.chunk.ReadDouble();
this.chunk.Next();
break;
case 20:
position.Y = this.chunk.ReadDouble();
this.chunk.Next();
break;
case 30:
position.Z = this.chunk.ReadDouble();
this.chunk.Next();
break;
case 11:
u.X = this.chunk.ReadDouble();
this.chunk.Next();
break;
case 21:
u.Y = this.chunk.ReadDouble();
this.chunk.Next();
break;
case 31:
u.Z = this.chunk.ReadDouble();
this.chunk.Next();
break;
case 12:
v.X = this.chunk.ReadDouble();
this.chunk.Next();
break;
case 22:
v.Y = this.chunk.ReadDouble();
this.chunk.Next();
break;
case 32:
v.Z = this.chunk.ReadDouble();
this.chunk.Next();
break;
case 71:
boundaryType = (ClippingBoundaryType) this.chunk.ReadShort();
this.chunk.Next();
break;
case 91:
// we cannot rely in this information it might or might not appear
this.chunk.Next();
break;
case 14:
x = this.chunk.ReadDouble();
this.chunk.Next();
break;
case 24:
vertexes.Add(new Vector2(x, this.chunk.ReadDouble()));
this.chunk.Next();
break;
case 1001:
string appId = this.DecodeEncodedNonAsciiCharacters(this.chunk.ReadString());
XData data = this.ReadXDataRecord(this.GetApplicationRegistry(appId));
xData.Add(data);
break;
default:
if (this.chunk.Code >= 1000 && this.chunk.Code <= 1071)
throw new Exception("The extended data of an entity must start with the application registry code.");
this.chunk.Next();
break;
}
}
// for polygonal boundaries the last vertex is equal to the first, we will remove it
if (boundaryType == ClippingBoundaryType.Polygonal)
vertexes.RemoveAt(vertexes.Count - 1);
Vector3 normal = Vector3.Normalize(Vector3.CrossProduct(u, v));
IList<Vector3> ocsPoints = MathHelper.Transform(new List<Vector3> {position, u, v}, normal, CoordinateSystem.World, CoordinateSystem.Object);
double bx = ocsPoints[0].X;
double by = ocsPoints[0].Y;
double elevation = ocsPoints[0].Z;
double max = ocsPoints[1].X;
for (int i = 0; i < vertexes.Count; i++)
{
double vx = bx + max*(vertexes[i].X + 0.5);
double vy = by + max*(0.5 - vertexes[i].Y);
vertexes[i] = new Vector2(vx, vy);
}
ClippingBoundary clippingBoundary = boundaryType == ClippingBoundaryType.Rectangular ? new ClippingBoundary(vertexes[0], vertexes[1]) : new ClippingBoundary(vertexes);
Wipeout entity = new Wipeout(clippingBoundary)
{
Normal = normal,
Elevation = elevation
};
entity.XData.AddRange(xData);
return entity;
}
/// <summary>
/// Creates a new Wipeout that is a copy of the current instance.
/// </summary>
/// <returns>A new Wipeout that is a copy of this instance.</returns>
public override object Clone()
{
Wipeout entity = new Wipeout((ClippingBoundary)this.ClippingBoundary.Clone())
{
//EntityObject properties
Layer = (Layer)this.layer.Clone(),
LineType = (LineType)this.lineType.Clone(),
Color = (AciColor)this.color.Clone(),
Lineweight = (Lineweight)this.lineweight.Clone(),
Transparency = (Transparency)this.transparency.Clone(),
LineTypeScale = this.lineTypeScale,
Normal = this.normal,
//Wipeout properties
//Brightness = this.brightness,
//Contrast = this.contrast,
//Fade = this.fade,
Elevation = this.elevation
};
foreach (XData data in this.xData.Values)
entity.XData.Add((XData)data.Clone());
return entity;
}
private static void WipeoutEntity()
{
Line line1 = new Line(new Vector2(-1, -1), new Vector2(1, 1));
Line line2 = new Line(new Vector2(-1, 1), new Vector2(1, -1));
Circle circle = new Circle(Vector2.Zero, 0.5);
Wipeout wipeout1 = new Wipeout(new Vector2(-1.5, -0.25), new Vector2(1.5, 0.25)); // a rectangular wipeout defined from two opposite corners
//Wipeout wipeout1 = new Wipeout(-1.5, -0.25, 3.0, 0.5); // a rectangular wipeout defined by its bottom-left corner and its width and height
//Wipeout wipeout1 = new Wipeout(new List<Vector2>{new Vector2(-1.5, 0.25), new Vector2(1.5, 0.25), new Vector2(1.5, -0.25), new Vector2(-1.5, -0.25)}); // a polygonal wipeout
List<Vector2> vertexes = new List<Vector2>
{
new Vector2(-30, 30),
new Vector2(-20, 60),
new Vector2(-10, 40),
new Vector2(10, 70),
new Vector2(30, 20)
};
Wipeout wipeout2 = new Wipeout(vertexes);
// optionally you can set the normal and elevation
//wipeout1.Normal = new Vector3(1.0);
//wipeout1.Elevation = 10;
DxfDocument doc = new DxfDocument();
doc.AddEntity(line1);
doc.AddEntity(line2);
doc.AddEntity(circle);
doc.AddEntity(wipeout1);
doc.AddEntity(wipeout2);
doc.Save("wipeout.dxf");
DxfDocument test = DxfDocument.Load("wipeout.dxf");
test.Save("test.dxf");
}
