/// <summary>
///
/// </summary>
/// <param name="pg"></param>
/// <param name="dx"></param>
/// <param name="dy"></param>
/// <returns></returns>
public IPathGeometry ToPathGeometry(AM.PathGeometry pg, double dx, double dy)
{
var factory = _serviceProvider.GetService <IFactory>();
var geometry = factory.CreatePathGeometry(
ImmutableArray.Create <IPathFigure>(),
pg.FillRule == AM.FillRule.EvenOdd ? FillRule.EvenOdd : FillRule.Nonzero);
var context = new PathGeometryContext(factory, geometry);
foreach (var pf in pg.Figures)
{
context.BeginFigure(
factory.CreatePointShape(pf.StartPoint.X + dx, pf.StartPoint.Y + dy),
pf.IsFilled,
pf.IsClosed);
foreach (var segment in pf.Segments)
{
if (segment is AM.ArcSegment arcSegment)
{
context.ArcTo(
factory.CreatePointShape(arcSegment.Point.X + dx, arcSegment.Point.Y + dy),
factory.CreatePathSize(arcSegment.Size.Width, arcSegment.Size.Height),
arcSegment.RotationAngle,
arcSegment.IsLargeArc,
arcSegment.SweepDirection == AM.SweepDirection.Clockwise ? SweepDirection.Clockwise : SweepDirection.Counterclockwise);
}
else if (segment is AM.BezierSegment cubicBezierSegment)
{
context.CubicBezierTo(
factory.CreatePointShape(cubicBezierSegment.Point1.X + dx, cubicBezierSegment.Point1.Y + dy),
factory.CreatePointShape(cubicBezierSegment.Point2.X + dx, cubicBezierSegment.Point2.Y + dy),
factory.CreatePointShape(cubicBezierSegment.Point3.X + dx, cubicBezierSegment.Point3.Y + dy));
}
else if (segment is AM.LineSegment lineSegment)
{
context.LineTo(
factory.CreatePointShape(lineSegment.Point.X + dx, lineSegment.Point.Y + dy));
}
else if (segment is AM.QuadraticBezierSegment quadraticBezierSegment)
{
context.QuadraticBezierTo(
factory.CreatePointShape(quadraticBezierSegment.Point1.X + dx, quadraticBezierSegment.Point1.Y + dy),
factory.CreatePointShape(quadraticBezierSegment.Point2.X + dx, quadraticBezierSegment.Point2.Y + dy));
}
else
{
throw new NotSupportedException("Not supported segment type: " + segment.GetType());
}
}
}
return(geometry);
}
public void QuadraticBezierTo_Adds_New_QuadraticBezierSegment()
{
var geometry = new PathGeometry();
var target = new PathGeometryContext(geometry);
target.BeginFigure(new PointShape());
Assert.Empty(geometry.Figures[0].Segments);
target.QuadraticBezierTo(new PointShape(), new PointShape());
var segment = geometry.Figures[0].Segments[0];
Assert.IsType <QuadraticBezierSegment>(segment);
Assert.True(segment.IsStroked);
Assert.True(segment.IsSmoothJoin);
}
/// <summary>
///
/// </summary>
/// <param name="pg"></param>
/// <param name="dx"></param>
/// <param name="dy"></param>
/// <returns></returns>
public static Path.PathGeometry ToPathGeometry(this System.Windows.Media.PathGeometry pg, double dx, double dy)
{
var geometry = Path.PathGeometry.Create(
ImmutableArray.Create <Path.PathFigure>(),
pg.FillRule == System.Windows.Media.FillRule.EvenOdd ? Path.FillRule.EvenOdd : Path.FillRule.Nonzero);
var context = new PathGeometryContext(geometry);
foreach (var pf in pg.Figures)
{
context.BeginFigure(
PointShape.Create(pf.StartPoint.X + dx, pf.StartPoint.Y + dy),
pf.IsFilled,
pf.IsClosed);
foreach (var segment in pf.Segments)
{
if (segment is ArcSegment)
{
var arcSegment = segment as ArcSegment;
context.ArcTo(
PointShape.Create(arcSegment.Point.X + dx, arcSegment.Point.Y + dy),
PathSize.Create(arcSegment.Size.Width, arcSegment.Size.Height),
arcSegment.RotationAngle,
arcSegment.IsLargeArc,
arcSegment.SweepDirection == System.Windows.Media.SweepDirection.Clockwise ? Path.SweepDirection.Clockwise : Path.SweepDirection.Counterclockwise,
arcSegment.IsStroked,
arcSegment.IsSmoothJoin);
}
else if (segment is BezierSegment)
{
var cubicBezierSegment = segment as BezierSegment;
context.CubicBezierTo(
PointShape.Create(cubicBezierSegment.Point1.X + dx, cubicBezierSegment.Point1.Y + dy),
PointShape.Create(cubicBezierSegment.Point2.X + dx, cubicBezierSegment.Point2.Y + dy),
PointShape.Create(cubicBezierSegment.Point3.X + dx, cubicBezierSegment.Point3.Y + dy),
cubicBezierSegment.IsStroked,
cubicBezierSegment.IsSmoothJoin);
}
else if (segment is LineSegment)
{
var lineSegment = segment as LineSegment;
context.LineTo(
PointShape.Create(lineSegment.Point.X + dx, lineSegment.Point.Y + dy),
lineSegment.IsStroked,
lineSegment.IsSmoothJoin);
}
else if (segment is PolyBezierSegment)
{
var polyCubicBezierSegment = segment as PolyBezierSegment;
context.PolyCubicBezierTo(
ToPointShapes(polyCubicBezierSegment.Points, dx, dy),
polyCubicBezierSegment.IsStroked,
polyCubicBezierSegment.IsSmoothJoin);
}
else if (segment is PolyLineSegment)
{
var polyLineSegment = segment as PolyLineSegment;
context.PolyLineTo(
ToPointShapes(polyLineSegment.Points, dx, dy),
polyLineSegment.IsStroked,
polyLineSegment.IsSmoothJoin);
}
else if (segment is PolyQuadraticBezierSegment)
{
var polyQuadraticSegment = segment as PolyQuadraticBezierSegment;
context.PolyQuadraticBezierTo(
ToPointShapes(polyQuadraticSegment.Points, dx, dy),
polyQuadraticSegment.IsStroked,
polyQuadraticSegment.IsSmoothJoin);
}
else if (segment is QuadraticBezierSegment)
{
var quadraticBezierSegment = segment as QuadraticBezierSegment;
context.QuadraticBezierTo(
PointShape.Create(quadraticBezierSegment.Point1.X + dx, quadraticBezierSegment.Point1.Y + dy),
PointShape.Create(quadraticBezierSegment.Point2.X + dx, quadraticBezierSegment.Point2.Y + dy),
quadraticBezierSegment.IsStroked,
quadraticBezierSegment.IsSmoothJoin);
}
else
{
throw new NotSupportedException("Not supported segment type: " + segment.GetType());
}
}
}
return(geometry);
}