public static Geometry CreateGeometryEx(SvgPathElement element) { PathGeometry geometry = new PathGeometry(); string pathScript = element.PathScript; if (String.IsNullOrEmpty(pathScript)) { return geometry; } string fillRule = element.GetPropertyValue("fill-rule"); string clipRule = element.GetAttribute("clip-rule"); if (!String.IsNullOrEmpty(clipRule) && String.Equals(clipRule, "evenodd") || String.Equals(clipRule, "nonzero")) { fillRule = clipRule; } if (fillRule == "evenodd") geometry.FillRule = FillRule.EvenOdd; else if (fillRule == "nonzero") geometry.FillRule = FillRule.Nonzero; try { geometry.Figures = PathFigureCollection.Parse(pathScript); } catch { } return geometry; }
public static Geometry CreateGeometry(SvgPathElement element) { PathGeometry geometry = new PathGeometry(); string fillRule = element.GetPropertyValue("fill-rule"); string clipRule = element.GetAttribute("clip-rule"); if (!String.IsNullOrEmpty(clipRule) && String.Equals(clipRule, "evenodd") || String.Equals(clipRule, "nonzero")) { fillRule = clipRule; } if (fillRule == "evenodd") geometry.FillRule = FillRule.EvenOdd; else if (fillRule == "nonzero") geometry.FillRule = FillRule.Nonzero; SvgPointF initPoint = new SvgPointF(0, 0); SvgPointF lastPoint = new SvgPointF(0, 0); ISvgPathSeg segment = null; SvgPathSegMoveto pathMoveTo = null; SvgPathSegLineto pathLineTo = null; SvgPathSegCurveto pathCurveTo = null; SvgPathSegArc pathArc = null; ISvgPathSegList segments = element.PathSegList; int nElems = segments.NumberOfItems; PathFigure pathFigure = null; for (int i = 0; i < nElems; i++) { segment = segments.GetItem(i); if (DynamicCast.Cast(segment, out pathMoveTo)) { if (pathFigure != null) { pathFigure.IsClosed = false; pathFigure.IsFilled = true; geometry.Figures.Add(pathFigure); pathFigure = null; } lastPoint = initPoint = pathMoveTo.AbsXY; pathFigure = new PathFigure(); pathFigure.StartPoint = new Point(initPoint.ValueX, initPoint.ValueY); } else if (DynamicCast.Cast(segment, out pathLineTo)) { SvgPointF p = pathLineTo.AbsXY; pathFigure.Segments.Add(new LineSegment(new Point(p.ValueX, p.ValueY), true)); lastPoint = p; } else if (DynamicCast.Cast(segment, out pathCurveTo)) { SvgPointF xy = pathCurveTo.AbsXY; SvgPointF x1y1 = pathCurveTo.CubicX1Y1; SvgPointF x2y2 = pathCurveTo.CubicX2Y2; pathFigure.Segments.Add(new BezierSegment(new Point(x1y1.ValueX, x1y1.ValueY), new Point(x2y2.ValueX, x2y2.ValueY), new Point(xy.ValueX, xy.ValueY), true)); lastPoint = xy; } else if (DynamicCast.Cast(segment, out pathArc)) { SvgPointF p = pathArc.AbsXY; if (lastPoint.Equals(p)) { // If the endpoints (x, y) and (x0, y0) are identical, then this // is equivalent to omitting the elliptical arc segment entirely. } else if (pathArc.R1 == 0 || pathArc.R2 == 0) { // Ensure radii are valid pathFigure.Segments.Add(new LineSegment(new Point(p.ValueX, p.ValueY), true)); } else { CalculatedArcValues calcValues = pathArc.GetCalculatedArcValues(); pathFigure.Segments.Add(new ArcSegment(new Point(p.ValueX, p.ValueY), new Size(pathArc.R1, pathArc.R2), pathArc.Angle, pathArc.LargeArcFlag, pathArc.SweepFlag ? SweepDirection.Clockwise : SweepDirection.Counterclockwise, true)); } lastPoint = p; } else if (segment is SvgPathSegClosePath) { if (pathFigure != null) { pathFigure.IsClosed = true; pathFigure.IsFilled = true; geometry.Figures.Add(pathFigure); pathFigure = null; } lastPoint = initPoint; } } if (pathFigure != null) { pathFigure.IsClosed = false; pathFigure.IsFilled = true; geometry.Figures.Add(pathFigure); } return geometry; }