Potrace.DoublePoint Bezier(double t, Potrace.DoublePoint p0, Potrace.DoublePoint p1, Potrace.DoublePoint p2, Potrace.DoublePoint p3)
{
double s = 1 - t;
double x = s * s * s * p0.X + 3 * (s * s * t) * p1.X + 3 * (t * t * s) * p2.X + t * t * t * p3.X;
double y = s * s * s * p0.Y + 3 * (s * s * t) * p1.Y + 3 * (t * t * s) * p2.Y + t * t * t * p3.Y;
return(new Potrace.DoublePoint(x, y));
}
public List <Potrace.DoublePoint> BezierToDoublePoint(double anzahl)
{
List <Potrace.DoublePoint> listPts = new List <Potrace.DoublePoint>();
double schrit = 1 / anzahl;
double t = 0;
Potrace.DoublePoint a = new Potrace.DoublePoint(this.A.x, this.A.Y);
Potrace.DoublePoint ctrlA = new Potrace.DoublePoint(this.ControlPt_A.X, this.ControlPt_A.Y);
Potrace.DoublePoint b = new Potrace.DoublePoint(this.B.x, this.B.Y);
Potrace.DoublePoint ctrlB = new Potrace.DoublePoint(this.ControlPt_B.X, this.ControlPt_B.Y);
while (t <= 1)
{
listPts.Add(Bezier(t, a, ctrlA, b, ctrlB));
t = t + schrit;
}
return(listPts);
}
