internal static Polyline2DE smethod_0(
IVertex2DCollection vertices,
GraphicsConfig config,
bool closed)
{
int count = vertices.Count;
if (count == 0)
{
return(new Polyline2DE(0));
}
IVertex2D vertex = vertices.GetIVertex2D(0);
Polyline2DE polyline = new Polyline2DE(count, closed);
for (int index = 1; index < count; ++index)
{
IVertex2D ivertex2D = vertices.GetIVertex2D(index);
Class639.Class640.smethod_1(config, polyline, vertex, ivertex2D);
vertex = ivertex2D;
}
if (closed)
{
Class639.Class640.smethod_1(config, polyline, vertex, vertices.GetIVertex2D(0));
}
else
{
polyline.Add(new Point2DE(vertex.Position));
}
return(polyline);
}
private static void smethod_3(
GraphicsConfig config,
Polyline2DE polyline,
IVertex2D vertex,
IVertex2D nextVertex)
{
Vector2D vector2D1 = nextVertex.Position - vertex.Position;
double length = vector2D1.GetLength();
double num1 = 4.0 * System.Math.Atan(vertex.Bulge);
double num2 = length / (2.0 * System.Math.Abs(System.Math.Sin(num1 * 0.5)));
Vector2D vector2D2 = vector2D1;
vector2D2.Normalize();
double num3 = (double)System.Math.Sign(vertex.Bulge);
Vector2D vector2D3 = new Vector2D(-vector2D2.Y, vector2D2.X) * num3;
Point2D point2D = (Point2D)(((Vector2D)nextVertex.Position + (Vector2D)vertex.Position) * 0.5) + vector2D3 * System.Math.Cos(num1 * 0.5) * num2;
Vector2D vector2D4 = vertex.Position - point2D;
double num4 = System.Math.Atan2(vector2D4.Y, vector2D4.X);
Vector2D vector2D5 = nextVertex.Position - point2D;
double num5 = System.Math.Atan2(vector2D5.Y, vector2D5.X);
double num6 = num4;
double num7 = num3 * (2.0 * System.Math.PI) / (double)config.NoOfArcLineSegments;
while (num5 < num4)
{
num5 += 2.0 * System.Math.PI;
}
int num8 = (int)System.Math.Ceiling(vertex.Bulge >= 0.0 ? System.Math.Abs(num5 - num4) / num7 : System.Math.Abs((2.0 * System.Math.PI - (num5 - num4)) / num7));
double num9 = System.Math.Cos(num6);
double num10 = System.Math.Sin(num6);
Point2D position1 = point2D + new Vector2D(num9 * num2, num10 * num2);
polyline.Add(new Point2DE(position1));
double num11 = num6 + num7;
for (int index = 1; index < num8; ++index)
{
double num12 = System.Math.Cos(num11);
double num13 = System.Math.Sin(num11);
Point2D position2 = point2D + new Vector2D(num12 * num2, num13 * num2);
polyline.Add(new Point2DE(position2)
{
IsInterpolatedPoint = true
});
num11 += num7;
}
}
private static void smethod_1(
GraphicsConfig config,
Polyline2DE polyline,
IVertex2D vertex,
IVertex2D nextVertex)
{
if (!(vertex.Position != nextVertex.Position))
{
return;
}
if (vertex.Bulge == 0.0)
{
Class639.Class640.smethod_2(polyline, vertex, nextVertex);
}
else
{
Class639.Class640.smethod_3(config, polyline, vertex, nextVertex);
}
}
private static void smethod_2(Polyline2DE polyline, IVertex2D vertex, IVertex2D nextVertex)
{
polyline.Add(new Point2DE(vertex.Position));
}
