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;
}
