private static void OnPathSegment(CsPotrace.Curve Curve, double oX, double oY, double scale, List <string> rv, Graphics g)
{
if (double.IsNaN(Curve.LinearLenght)) // problem?
{
return;
}
if (Curve.Kind == CsPotrace.CurveKind.Line)
{
//trace line
if (g != null)
{
g.DrawLine(Pens.DarkGray, (float)Curve.A.X, (float)Curve.A.Y, (float)Curve.B.X, (float)Curve.B.Y);
}
rv.Add(String.Format("G1 X{0} Y{1}", formatnumber(Curve.B.X + oX, scale), formatnumber(Curve.B.Y + oY, scale)));
}
if (Curve.Kind == CsPotrace.CurveKind.Bezier)
{
CubicBezier cb = new CubicBezier(new Vector2((float)Curve.A.X, (float)Curve.A.Y),
new Vector2((float)Curve.ControlPointA.X, (float)Curve.ControlPointA.Y),
new Vector2((float)Curve.ControlPointB.X, (float)Curve.ControlPointB.Y),
new Vector2((float)Curve.B.X, (float)Curve.B.Y));
if (g != null)
{
g.DrawBezier(Pens.Green,
AsPointF(cb.P1),
AsPointF(cb.C1),
AsPointF(cb.C2),
AsPointF(cb.P2));
}
try
{
List <BiArc> bal = Algorithm.ApproxCubicBezier(cb, 5, 2);
foreach (BiArc ba in bal)
{
if (!double.IsNaN(ba.A1.Length) && !double.IsNaN(ba.A1.LinearLength))
{
rv.Add(GetArcGC(ba.A1, oX, oY, scale, g));
}
if (!double.IsNaN(ba.A2.Length) && !double.IsNaN(ba.A2.LinearLength))
{
rv.Add(GetArcGC(ba.A2, oX, oY, scale, g));
}
}
}
catch
{
if (g != null)
{
g.DrawLine(Pens.DarkGray, (float)Curve.A.X, (float)Curve.A.Y, (float)Curve.B.X, (float)Curve.B.Y);
}
rv.Add(String.Format("G1 X{0} Y{1}", formatnumber(Curve.B.X + oX, scale), formatnumber(Curve.B.Y + oY, scale)));
}
}
}
private static string GetHolePath(CsPotrace.Curve[] Curves)
{
StringBuilder path = new StringBuilder();
for (int i = Curves.Length - 1; i >= 0; i--)
{
CsPotrace.Curve Curve = Curves[i];
if (i == Curves.Length - 1)
{
path.AppendLine("M" + Curve.B.X.ToString("0.0", enUsCulture) + " " + Curve.B.Y.ToString("0.0", enUsCulture));
}
if (Curve.Kind == CsPotrace.CurveKind.Bezier)
{
path.Append("C" + Curve.ControlPointB.X.ToString("0.0", enUsCulture) + " " + Curve.ControlPointB.Y.ToString("0.0", enUsCulture) + " " +
Curve.ControlPointA.X.ToString("0.0", enUsCulture) + " " + Curve.ControlPointA.Y.ToString("0.0", enUsCulture) + " " +
Curve.A.X.ToString("0.0", enUsCulture) + " " + Curve.A.Y.ToString("0.0", enUsCulture));
}
if (Curve.Kind == CsPotrace.CurveKind.Line)
{
path.Append("L" + Curve.B.X.ToString("0.0", enUsCulture) + " " + Curve.B.Y.ToString("0.0", enUsCulture));
}
if (i == 0)
{
path.Append("Z");
}
else
{
path.AppendLine("");
}
}
return(path.ToString());
}