public string GetPath(SVGContext context) { PointDbl p = new PointDbl(context.fxy(this.center)); PointDbl dbl4 = new PointDbl(context.fxy(this.cd1)); PointDbl dbl3 = new PointDbl(context.fxy(this.cd2)); PointDbl dbl2 = new PointDbl(this.context_fxy2(this.v1, context)); PointDbl dbl = new PointDbl(this.context_fxy2(this.v2, context)); SVGEllipseArc arc = CGM2SVGMath.FindSVGArc(p, dbl4, dbl3, dbl2, dbl); string dAttribute = arc.dAttribute; string transformAttribute = arc.transformAttribute; if ((arc.StartP.X == arc.EndP.X) & (arc.StartP.Y == arc.EndP.Y)) { SVGEllipseArc arc2 = arc; arc2.EndP.Y++; dAttribute = arc.dAttribute; } switch (this.closingType) { case 0: return(dAttribute + string.Format(" L{0},{1} L{2},{3} Z", new object[] { arc.CenterP.X, arc.CenterP.Y, arc.StartP.X, arc.StartP.Y })); case 1: return(dAttribute + string.Format(" L{0},{1} Z", arc.StartP.X, arc.StartP.Y)); } return(dAttribute); }
public void SetCircle3Points(Point[] p) { PointDbl[] dblArray = new PointDbl[3]; PointDbl dbl3 = new PointDbl(p[0]); dblArray[0] = dbl3; PointDbl dbl2 = new PointDbl(p[1]); dblArray[1] = dbl2; PointDbl dbl = new PointDbl(p[2]); dblArray[2] = dbl; CircleInfo info = CGM2SVGMath.FindCircleBy3Points(dblArray); if (info.R >= 0.0) { this.center.X = new decimal(info.Center.X); this.center.Y = new decimal(info.Center.Y); this.SetCircleDiameters(info.R, Math2.CompareAngles(Convert.ToDouble(decimal.Subtract(p[2].X, p[0].X)), Convert.ToDouble(decimal.Subtract(p[2].Y, p[0].Y)), Convert.ToDouble(decimal.Subtract(p[1].X, p[0].X)), Convert.ToDouble(decimal.Subtract(p[1].Y, p[0].Y))) < 0.0); this.v1.X = decimal.Subtract(p[0].X, this.center.X); this.v1.Y = decimal.Subtract(p[0].Y, this.center.Y); this.v2.X = decimal.Subtract(p[2].X, this.center.X); this.v2.Y = decimal.Subtract(p[2].Y, this.center.Y); } else { this.collinearCoords = true; this.center = p[1]; this.SetCircleDiameters(Math2.Distance(Convert.ToDouble(decimal.Subtract(p[0].X, this.center.X)), Convert.ToDouble(decimal.Subtract(p[2].X, this.center.X))), false); this.v1.X = decimal.Subtract(p[0].X, this.center.X); this.v1.Y = decimal.Subtract(p[0].Y, this.center.Y); this.v2.X = decimal.Subtract(p[2].X, this.center.X); this.v2.Y = decimal.Subtract(p[2].Y, this.center.Y); } }
public void UpdateSVG(XmlTextWriter doc, SVGContext context) { try { PointDbl dbl6 = new PointDbl(context.fxy(this.center)); PointDbl p = dbl6; dbl6 = new PointDbl(context.fxy(this.cd1)); PointDbl dbl2 = dbl6; dbl6 = new PointDbl(context.fxy(this.cd2)); PointDbl dbl3 = dbl6; dbl6 = new PointDbl(this.context_fxy2(this.v1, context)); PointDbl dbl4 = dbl6; dbl6 = new PointDbl(this.context_fxy2(this.v2, context)); PointDbl dbl5 = dbl6; SVGEllipseArc arc = CGM2SVGMath.FindSVGArc(p, dbl2, dbl3, dbl4, dbl5); string dAttribute = arc.dAttribute; string transformAttribute = arc.transformAttribute; switch (this.closingType) { case 0: dAttribute = dAttribute + string.Format(" L{0},{1} L{2},{3} Z", new object[] { arc.CenterP.X, arc.CenterP.Y, arc.StartP.X, arc.StartP.Y }); break; case 1: dAttribute = dAttribute + string.Format(" L{0},{1} Z", arc.StartP.X, arc.StartP.Y); break; } doc.WriteStartElement("path"); doc.WriteAttributeString("d", dAttribute); if (!String.IsNullOrEmpty(transformAttribute)) //if (StringType.StrCmp(transformAttribute, "", false) != 0) { doc.WriteAttributeString("transform", transformAttribute); } if (this.closingType >= 0) { context.PrintEdgeArc(doc); doc.WriteAttributeString("fill", context.fill); } else { context.PrintLine(doc); doc.WriteAttributeString("fill", "none"); } } finally { if (context.isClip & !String.IsNullOrEmpty(context.CurrClipID)) //if (context.isClip & (StringType.StrCmp(context.CurrClipID, "", false) != 0)) { doc.WriteAttributeString("clip-path", "url(#" + context.CurrClipID + ")"); } doc.WriteFullEndElement(); } }