private WW.Cad.Drawing.Polyline2DE method_25(
DxfVertex2DCollection points,
bool isInterpolated)
{
bool closed = this.Closed;
int count = points.Count;
WW.Cad.Drawing.Polyline2DE polyline2De = new WW.Cad.Drawing.Polyline2DE(count, closed);
if (count > 0)
{
DxfVertex2D dxfVertex2D = points[0];
polyline2De.Add(new Point2DE(dxfVertex2D.Position)
{
IsInterpolatedPoint = isInterpolated
});
for (int index = 1; index < count; ++index)
{
DxfVertex2D point = points[index];
if (!(dxfVertex2D.Position == point.Position))
{
polyline2De.Add(new Point2DE(point.Position)
{
IsInterpolatedPoint = isInterpolated
});
dxfVertex2D = point;
}
}
if (closed && count > 1 && polyline2De[0].Position == polyline2De[polyline2De.Count - 1].Position)
{
polyline2De.RemoveAt(polyline2De.Count - 1);
}
}
return(polyline2De);
}
public override IList <Polygon2D> GetClipBoundary(GraphicsConfig graphicsConfig)
{
WW.Cad.Drawing.Polyline2DE polyline2De = (WW.Cad.Drawing.Polyline2DE)null;
switch (this.splineType_0)
{
case SplineType.None:
if (!graphicsConfig.ShowSplineApproximationPoints)
{
polyline2De = this.method_19();
break;
}
break;
case SplineType.QuadraticBSpline:
polyline2De = this.method_28(2, (int)graphicsConfig.NoOfSplineLineSegments);
break;
case SplineType.CubicBSpline:
polyline2De = this.method_28(3, (int)graphicsConfig.NoOfSplineLineSegments);
break;
}
if (polyline2De == null)
{
return((IList <Polygon2D>) new Polygon2D[0]);
}
Polygon2D polygon2D = new Polygon2D(polyline2De.Count);
foreach (Point2DE point2De in (List <Point2DE>)polyline2De)
{
polygon2D.Add(point2De.Position);
}
return((IList <Polygon2D>) new Polygon2D[1] {
polygon2D
});
}
private void method_14(
DrawContext context,
WW.Cad.Drawing.Surface.Geometry geometry,
DxfPolyline2DSpline.Interface43 polylineProvider,
bool allWidthsAreZero)
{
if (allWidthsAreZero)
{
if (this.Thickness == 0.0)
{
WW.Cad.Drawing.Polyline2DE wrappee = polylineProvider.imethod_0();
geometry.Add((IPrimitive) new WW.Cad.Drawing.Surface.Polyline2DE(wrappee, this.Transform));
}
else
{
WW.Cad.Drawing.Polyline2D2N wrappee1 = polylineProvider.imethod_1();
if (wrappee1.Count > 0)
{
geometry.Add((IPrimitive) new WW.Cad.Drawing.Surface.Polyline2D2N(wrappee1, this.Transform));
}
else
{
WW.Cad.Drawing.Polyline2DE wrappee2 = polylineProvider.imethod_0();
geometry.Add((IPrimitive) new WW.Cad.Drawing.Surface.Polyline2DE(wrappee2, this.Transform));
}
}
}
else if (this.Thickness == 0.0)
{
WW.Cad.Drawing.Polyline2D2WN wrappee1 = polylineProvider.imethod_2();
if (wrappee1.Count > 0)
{
geometry.Add((IPrimitive) new WW.Cad.Drawing.Surface.Polyline2D2WN(wrappee1, context.Model.Header.FillMode, this.Transform));
}
else
{
WW.Cad.Drawing.Polyline2DE wrappee2 = polylineProvider.imethod_0();
geometry.Add((IPrimitive) new WW.Cad.Drawing.Surface.Polyline2DE(wrappee2, this.Transform));
}
}
else
{
WW.Cad.Drawing.Polyline2D2WN wrappee1 = polylineProvider.imethod_2();
if (wrappee1.Count > 0)
{
geometry.Add((IPrimitive) new WW.Cad.Drawing.Surface.Polyline2D2WN(wrappee1, context.Model.Header.FillMode, this.Transform));
}
else
{
WW.Cad.Drawing.Polyline2DE wrappee2 = polylineProvider.imethod_0();
geometry.Add((IPrimitive) new WW.Cad.Drawing.Surface.Polyline2DE(wrappee2, this.Transform));
}
}
}
public override IList <Polygon2D> GetClipBoundary(GraphicsConfig graphicsConfig)
{
WW.Cad.Drawing.Polyline2DE polyline2De = Class639.Class640.smethod_0((IVertex2DCollection)this.dxfVertex2DCollection_0, graphicsConfig, this.Closed);
Polygon2D polygon2D = new Polygon2D(polyline2De.Count);
foreach (Point2DE point2De in (List <Point2DE>)polyline2De)
{
polygon2D.Add(point2De.Position);
}
return((IList <Polygon2D>) new Polygon2D[1] {
polygon2D
});
}
private WW.Cad.Drawing.Polyline2DE method_28(int power, int noOfSplineLineParts)
{
WW.Cad.Drawing.Polyline2DE polyline2De = new WW.Cad.Drawing.Polyline2DE();
int count = this.dxfVertex2DCollection_0.Count;
if (count <= power)
{
return(this.method_19());
}
BSplineD bsplineD = new BSplineD(power, count, this.Closed);
double[] result = new double[power + 1];
double maxU = bsplineD.MaxU;
int num1 = noOfSplineLineParts + 1;
double num2 = maxU / (double)(num1 - 1);
int num3 = 0;
double u = 0.0;
while (num3 < num1)
{
int knotSpanIndex = bsplineD.GetKnotSpanIndex(u);
bsplineD.EvaluateBasisFunctions(knotSpanIndex, u, result);
WW.Math.Point2D zero = WW.Math.Point2D.Zero;
for (int index = 0; index <= power; ++index)
{
DxfVertex2D dxfVertex2D = this.dxfVertex2DCollection_0[(knotSpanIndex - power + index) % count];
zero += result[index] * new Vector2D(dxfVertex2D.Position);
}
Point2DE point2De = new Point2DE(zero)
{
IsInterpolatedPoint = true
};
polyline2De.Add(point2De);
++num3;
u += num2;
}
return(polyline2De);
}
public double GetLength()
{
return(Polyline2DE.GetLength((IList <Point2DE>) this, this.Closed));
}
