private IList <float[]> ArcToLines(PathItem item)
{
IList <float> numbers = item.Coordinates;
EllipseArc ellipse = EllipseArc.CreateEllipseArc(numbers[7], numbers[8], numbers[5], numbers[6], numbers[0], numbers[1], numbers[4], numbers[3]);
IList <float[]> newCoordinates = PdfContentByte.BezierArc(ellipse.Cx - numbers[0], ellipse.Cy - numbers[1], ellipse.Cx + numbers[0], ellipse.Cy + numbers[1],
ellipse.StartAng, ellipse.Extend);
IList <float[]> result = new List <float[]>();
if (newCoordinates.Count == 0)
{
return(result);
}
float[] pt = newCoordinates[0];
float x0 = pt[0];
float y0 = pt[1];
for (int k = 0; k < newCoordinates.Count; ++k)
{
pt = newCoordinates[k];
foreach (float[] point in BezierCurveToLines(x0, y0, pt[2], pt[3], pt[4], pt[5], pt[6], pt[7], true))
{
result.Add(point);
}
x0 = pt[6];
y0 = pt[7];
}
return(result);
}
private void DrawArc(PdfContentByte cb, IList <float> numbers)
{
EllipseArc ellipse = EllipseArc.CreateEllipseArc(numbers[7], numbers[8], numbers[5], numbers[6], numbers[0], numbers[1], numbers[4], numbers[3]);
cb.SetColorFill(BaseColor.ORANGE);
cb.Rectangle(numbers[7], numbers[8], 2, 2); //p1
cb.Fill();
cb.SetColorFill(BaseColor.GREEN);
cb.Rectangle(numbers[5], numbers[6], 2, 2); //p2
cb.Fill();
cb.Arc(ellipse.Cx - numbers[0], ellipse.Cy - numbers[1], ellipse.Cx + numbers[0], ellipse.Cy + numbers[1],
ellipse.StartAng, ellipse.Extend);
}