Exemple #1
0
        private DrawingGroup LoadGroup(IList <Shape> elements, Rect?viewBox)
        {
            List <ControlLine> debugPoints = new List <ControlLine>();
            DrawingGroup       grp         = new DrawingGroup();

            if (viewBox.HasValue)
            {
                grp.ClipGeometry = new RectangleGeometry(viewBox.Value);
            }

            foreach (Shape shape in elements)
            {
                if (shape is UseShape)
                {
                    UseShape useshape = shape as UseShape;
                    Group    group    = this.SVG.GetShape(useshape.hRef) as Group;
                    if (group != null)
                    {
                        Shape oldparent = group.Parent;
                        group.Parent = useshape; // this to get proper style propagated
                        DrawingGroup subgroup = this.LoadGroup(group.Elements, null);
                        if (group.Clip != null)
                        {
                            subgroup.ClipGeometry = group.Clip.ClipGeometry;
                        }
                        subgroup.Transform = new TranslateTransform(useshape.X, useshape.Y);
                        grp.Children.Add(subgroup);
                        group.Parent = oldparent;
                    }
                    continue;
                }
                if (shape is Clip)
                {
                    DrawingGroup subgroup = this.LoadGroup((shape as Clip).Elements, null);
                    if (shape.Transform != null)
                    {
                        subgroup.Transform = shape.Transform;
                    }
                    grp.Children.Add(subgroup);
                    continue;
                }
                if (shape is Group)
                {
                    DrawingGroup subgroup = this.LoadGroup((shape as Group).Elements, null);
                    if (shape.Clip != null)
                    {
                        subgroup.ClipGeometry = shape.Clip.ClipGeometry;
                    }
                    if (shape.Transform != null)
                    {
                        subgroup.Transform = shape.Transform;
                    }
                    AddDrawingToGroup(grp, shape, subgroup);
                    continue;
                }
                if (shape is RectangleShape)
                {
                    RectangleShape    r    = shape as RectangleShape;
                    RectangleGeometry rect = new RectangleGeometry(new Rect(r.X, r.Y, r.Width, r.Height));
                    rect.RadiusX = r.RX;
                    rect.RadiusY = r.RY;
                    if (rect.RadiusX == 0 && rect.RadiusY > 0)
                    {
                        rect.RadiusX = rect.RadiusY;
                    }
                    var di = this.NewDrawingItem(shape, rect);
                    AddDrawingToGroup(grp, shape, di);
                }
                if (shape is LineShape)
                {
                    LineShape    r    = shape as LineShape;
                    LineGeometry line = new LineGeometry(r.P1, r.P2);
                    var          di   = this.NewDrawingItem(shape, line);
                    AddDrawingToGroup(grp, shape, di);
                }
                if (shape is PolylineShape)
                {
                    PolylineShape r    = shape as PolylineShape;
                    PathGeometry  path = new PathGeometry();
                    PathFigure    p    = new PathFigure();
                    path.Figures.Add(p);
                    p.IsClosed   = false;
                    p.StartPoint = r.Points[0];
                    for (int index = 1; index < r.Points.Length; index++)
                    {
                        p.Segments.Add(new LineSegment(r.Points[index], true));
                    }
                    var di = this.NewDrawingItem(shape, path);
                    AddDrawingToGroup(grp, shape, di);
                }
                if (shape is PolygonShape)
                {
                    PolygonShape r    = shape as PolygonShape;
                    PathGeometry path = new PathGeometry();
                    PathFigure   p    = new PathFigure();
                    path.Figures.Add(p);
                    p.IsClosed   = true;
                    p.StartPoint = r.Points[0];
                    for (int index = 1; index < r.Points.Length; index++)
                    {
                        p.Segments.Add(new LineSegment(r.Points[index], true));
                    }
                    var di = this.NewDrawingItem(shape, path);
                    AddDrawingToGroup(grp, shape, di);
                }
                if (shape is CircleShape)
                {
                    CircleShape     r  = shape as CircleShape;
                    EllipseGeometry c  = new EllipseGeometry(new Point(r.CX, r.CY), r.R, r.R);
                    var             di = this.NewDrawingItem(shape, c);
                    AddDrawingToGroup(grp, shape, di);
                }
                if (shape is EllipseShape)
                {
                    EllipseShape    r  = shape as EllipseShape;
                    EllipseGeometry c  = new EllipseGeometry(new Point(r.CX, r.CY), r.RX, r.RY);
                    var             di = this.NewDrawingItem(shape, c);
                    AddDrawingToGroup(grp, shape, di);
                }
                if (shape is ImageShape)
                {
                    ImageShape   image = shape as ImageShape;
                    ImageDrawing i     = new ImageDrawing(image.ImageSource, new Rect(image.X, image.Y, image.Width, image.Height));
                    AddDrawingToGroup(grp, shape, i);
                }
                if (shape is TextShape)
                {
                    GeometryGroup gp = TextRender.BuildTextGeometry(shape as TextShape);
                    if (gp != null)
                    {
                        foreach (Geometry gm in gp.Children)
                        {
                            TextShape.TSpan.Element tspan = TextRender.GetElement(gm);
                            if (tspan != null)
                            {
                                var di = this.NewDrawingItem(tspan, gm);
                                AddDrawingToGroup(grp, shape, di);
                            }
                            else
                            {
                                var di = this.NewDrawingItem(shape, gm);
                                AddDrawingToGroup(grp, shape, di);
                            }
                        }
                    }
                }
                if (shape is PathShape)
                {
                    PathShape  r         = shape as PathShape;
                    PathFigure p         = null;
                    Point      lastPoint = new Point(0, 0);

                    PathShape.CurveTo          lastc = null;
                    PathShape.QuadraticCurveTo lastq = null;
                    Point lastcirPoint = new Point(0, 0);

                    PathGeometry path = new PathGeometry();
                    foreach (PathShape.PathElement element in r.Elements)
                    {
                        bool isRelative = element.IsRelative;
                        if (element is PathShape.MoveTo)
                        {
                            p          = new PathFigure();
                            p.IsClosed = r.ClosePath;
                            if (isRelative)
                            {
                                p.StartPoint = lastPoint + (Vector)((PathShape.MoveTo)element).Point;
                            }
                            else
                            {
                                p.StartPoint = ((PathShape.MoveTo)element).Point;
                            }
                            lastPoint = p.StartPoint;
                            path.Figures.Add(p);
                            continue;
                        }
                        if (element is PathShape.LineTo)
                        {
                            PathShape.LineTo lineto = element as PathShape.LineTo;
                            foreach (Point point in lineto.Points)
                            {
                                if (isRelative)
                                {
                                    Point newpoint = lastPoint + (Vector)point;
                                    lastPoint = newpoint;
                                    p.Segments.Add(new LineSegment(newpoint, true));
                                }
                                else
                                {
                                    if (lineto.PositionType == PathShape.LineTo.eType.Point)
                                    {
                                        lastPoint = point;
                                    }
                                    if (lineto.PositionType == PathShape.LineTo.eType.Horizontal)
                                    {
                                        lastPoint = new Point(point.X, lastPoint.Y);
                                    }
                                    if (lineto.PositionType == PathShape.LineTo.eType.Vertical)
                                    {
                                        lastPoint = new Point(lastPoint.X, point.Y);
                                    }
                                    p.Segments.Add(new LineSegment(lastPoint, true));
                                }
                            }
                            continue;
                        }
                        if (element is PathShape.CurveTo)
                        {
                            PathShape.CurveTo c          = element as PathShape.CurveTo;
                            Point             startPoint = lastPoint;
                            BezierSegment     s          = new BezierSegment();
                            if (isRelative)
                            {
                                s.Point1 = lastPoint + (Vector)c.CtrlPoint1;

                                if (c.Command == 's')
                                {
                                    // first control point is a mirrored point of last end control point
                                    //s.Point1 = lastPoint + new Vector(lastc.Point.X - dx, lastc.Point.Y - dy);
                                    //s.Point1 = new Point(lastctrlpoint.X+2, lastctrlpoint.Y+2);

                                    double dx = lastc.CtrlPoint2.X - lastc.Point.X;
                                    double dy = lastc.CtrlPoint2.Y - lastc.Point.Y;
                                    s.Point1 = new Point(lastcirPoint.X - dx, lastcirPoint.Y - dy);
                                    //s.Point1 = lastctrlpoint;
                                }

                                s.Point2 = lastPoint + (Vector)c.CtrlPoint2;
                                s.Point3 = lastPoint + (Vector)c.Point;
                            }
                            else
                            {
                                if (c.Command == 's')
                                {
                                    // first control point is a mirrored point of last end control point
                                    //s.Point1 = lastPoint + new Vector(lastc.Point.X - dx, lastc.Point.Y - dy);
                                    //s.Point1 = new Point(lastctrlpoint.X+2, lastctrlpoint.Y+2);

                                    double dx = lastc.CtrlPoint2.X - lastc.Point.X;
                                    double dy = lastc.CtrlPoint2.Y - lastc.Point.Y;
                                    s.Point1 = new Point(lastcirPoint.X - dx, lastcirPoint.Y - dy);
                                }
                                else
                                {
                                    s.Point1 = c.CtrlPoint1;
                                }
                                s.Point2 = c.CtrlPoint2;
                                s.Point3 = c.Point;
                            }
                            lastPoint = s.Point3;
                            p.Segments.Add(s);

                            lastc        = c;
                            lastcirPoint = s.Point3;

                            //debugPoints.Add(new ControlLine(startPoint, s.Point1));
                            //debugPoints.Add(new ControlLine(s.Point3, s.Point2));
                            continue;
                        }
                        if (element is PathShape.QuadraticCurveTo)
                        {
                            PathShape.QuadraticCurveTo c = element as PathShape.QuadraticCurveTo;
                            Point startPoint             = lastPoint;
                            QuadraticBezierSegment s     = new QuadraticBezierSegment();
                            if (isRelative)
                            {
                                s.Point1 = lastPoint + (Vector)c.CtrlPoint1;

                                if (c.Command == 'q')
                                {
                                    // first control point is a mirrored point of last end control point
                                    //s.Point1 = lastPoint + new Vector(lastc.Point.X - dx, lastc.Point.Y - dy);
                                    //s.Point1 = new Point(lastctrlpoint.X+2, lastctrlpoint.Y+2);

                                    double dx = lastq.CtrlPoint1.X - lastq.Point.X;
                                    double dy = lastq.CtrlPoint1.Y - lastq.Point.Y;
                                    s.Point1 = new Point(lastcirPoint.X - dx, lastcirPoint.Y - dy);
                                    //s.Point1 = lastctrlpoint;
                                }

                                s.Point2 = lastPoint + (Vector)c.Point;
                            }
                            else
                            {
                                if (c.Command == 'q')
                                {
                                    // first control point is a mirrored point of last end control point
                                    //s.Point1 = lastPoint + new Vector(lastc.Point.X - dx, lastc.Point.Y - dy);
                                    //s.Point1 = new Point(lastctrlpoint.X+2, lastctrlpoint.Y+2);

                                    double dx = lastq.CtrlPoint1.X - lastq.Point.X;
                                    double dy = lastq.CtrlPoint1.Y - lastq.Point.Y;
                                    s.Point1 = new Point(lastcirPoint.X - dx, lastcirPoint.Y - dy);
                                }
                                else
                                {
                                    s.Point1 = c.CtrlPoint1;
                                }
                                s.Point2 = c.Point;
                            }
                            lastPoint = s.Point2;
                            p.Segments.Add(s);

                            lastq        = c;
                            lastcirPoint = s.Point2;

                            //debugPoints.Add(new ControlLine(startPoint, s.Point1));
                            //debugPoints.Add(new ControlLine(s.Point3, s.Point2));
                            continue;
                        }
                        if (element is PathShape.EllipticalArcTo)
                        {
                            PathShape.EllipticalArcTo c = element as PathShape.EllipticalArcTo;
                            ArcSegment s = new ArcSegment();
                            if (isRelative)
                            {
                                s.Point = lastPoint + new Vector(c.X, c.Y);
                            }
                            else
                            {
                                s.Point = new Point(c.X, c.Y);
                            }

                            s.Size           = new Size(c.RX, c.RY);
                            s.RotationAngle  = c.AxisRotation;
                            s.SweepDirection = SweepDirection.Counterclockwise;
                            if (c.Clockwise)
                            {
                                s.SweepDirection = SweepDirection.Clockwise;
                            }
                            s.IsLargeArc = c.LargeArc;
                            lastPoint    = s.Point;
                            p.Segments.Add(s);
                            continue;
                        }
                    }

                    /*
                     * if (r.Transform != null)
                     *  path.Transform = r.Transform;
                     */
                    var di = this.NewDrawingItem(shape, path);
                    AddDrawingToGroup(grp, shape, di);
                    //}
                }
            }


            if (debugPoints != null)
            {
                foreach (ControlLine line in debugPoints)
                {
                    grp.Children.Add(line.Draw());
                }
            }
            return(grp);
        }
Exemple #2
0
        internal DrawingGroup LoadGroup(IList <Shape> elements, Rect?viewBox, bool isSwitch)
        {
            List <ControlLine> debugPoints = new List <ControlLine>();
            DrawingGroup       grp         = new DrawingGroup();

            if (viewBox.HasValue)
            {
                grp.ClipGeometry = new RectangleGeometry(viewBox.Value);
            }

            foreach (Shape shape in elements)
            {
                if (isSwitch)
                {
                    if (grp.Children.Count > 0)
                    {
                        break;
                    }
                    if (!string.IsNullOrEmpty(shape.RequiredFeatures))
                    {
                        if (!SVGFeatures.Features.Contains(shape.RequiredFeatures))
                        {
                            continue;
                        }
                        if (!string.IsNullOrEmpty(shape.RequiredExtensions))
                        {
                            continue;
                        }
                    }
                }

                if (shape is AnimationBase)
                {
                    if (UseAnimations)
                    {
                        if (shape is AnimateTransform animateTransform)
                        {
                            if (animateTransform.Type == AnimateTransformType.Rotate)
                            {
                                var animation = new DoubleAnimation
                                {
                                    From     = double.Parse(animateTransform.From),
                                    To       = double.Parse(animateTransform.To),
                                    Duration = animateTransform.Duration
                                };
                                animation.RepeatBehavior = RepeatBehavior.Forever;
                                var r = new RotateTransform();
                                grp.Transform = r;
                                r.BeginAnimation(RotateTransform.AngleProperty, animation);
                            }
                        }
                        else if (shape is Animate animate)
                        {
                            var target = this.SVG.GetShape(animate.hRef);
                            var g      = target.geometryElement;
                            //todo : rework this all, generalize it!
                            if (animate.AttributeName == "r")
                            {
                                var animation = new DoubleAnimationUsingKeyFrames()
                                {
                                    Duration = animate.Duration
                                };
                                foreach (var d in animate.Values.Split(';').Select(x => new LinearDoubleKeyFrame(double.Parse(x))))
                                {
                                    animation.KeyFrames.Add(d);
                                }
                                animation.RepeatBehavior = RepeatBehavior.Forever;

                                g.BeginAnimation(EllipseGeometry.RadiusXProperty, animation);
                                g.BeginAnimation(EllipseGeometry.RadiusYProperty, animation);
                            }
                            else if (animate.AttributeName == "cx")
                            {
                                var animation = new PointAnimationUsingKeyFrames()
                                {
                                    Duration = animate.Duration
                                };
                                foreach (var d in animate.Values.Split(';').Select(_ => new LinearPointKeyFrame(new Point(double.Parse(_), ((EllipseGeometry)g).Center.Y))))
                                {
                                    animation.KeyFrames.Add(d);
                                }
                                animation.RepeatBehavior = RepeatBehavior.Forever;
                                g.BeginAnimation(EllipseGeometry.CenterProperty, animation);
                            }
                            else if (animate.AttributeName == "cy")
                            {
                                var animation = new PointAnimationUsingKeyFrames()
                                {
                                    Duration = animate.Duration
                                };
                                foreach (var d in animate.Values.Split(';').Select(_ => new LinearPointKeyFrame(new Point(((EllipseGeometry)g).Center.X, double.Parse(_)))))
                                {
                                    animation.KeyFrames.Add(d);
                                }
                                animation.RepeatBehavior = RepeatBehavior.Forever;
                                g.BeginAnimation(EllipseGeometry.CenterProperty, animation);
                            }
                        }
                    }

                    continue;
                }

                if (shape is UseShape)
                {
                    UseShape useshape         = shape as UseShape;
                    Shape    currentUsedShape = this.SVG.GetShape(useshape.hRef);
                    if (currentUsedShape != null)
                    {
                        currentUsedShape.RealParent = useshape;
                        Shape        oldparent = currentUsedShape.Parent;
                        DrawingGroup subgroup;
                        if (currentUsedShape is Group)
                        {
                            subgroup = this.LoadGroup(((Group)currentUsedShape).Elements, null, false);
                        }
                        else
                        {
                            subgroup = this.LoadGroup(new[] { currentUsedShape }, null, false);
                        }
                        if (currentUsedShape.Clip != null)
                        {
                            subgroup.ClipGeometry = currentUsedShape.Clip.ClipGeometry;
                        }
                        subgroup.Transform = new TranslateTransform(useshape.X, useshape.Y);
                        if (useshape.Transform != null)
                        {
                            subgroup.Transform = new TransformGroup()
                            {
                                Children = new TransformCollection()
                                {
                                    subgroup.Transform, useshape.Transform
                                }
                            }
                        }
                        ;
                        grp.Children.Add(subgroup);
                        currentUsedShape.Parent = oldparent;
                    }
                    continue;
                }
                if (shape is Clip)
                {
                    DrawingGroup subgroup = this.LoadGroup((shape as Clip).Elements, null, false);
                    if (shape.Transform != null)
                    {
                        subgroup.Transform = shape.Transform;
                    }
                    grp.Children.Add(subgroup);
                    continue;
                }
                if (shape is Group groupShape)
                {
                    DrawingGroup subgroup = this.LoadGroup((shape as Group).Elements, null, groupShape.IsSwitch);
                    AddDrawingToGroup(grp, shape, subgroup);
                    continue;
                }
                if (shape is RectangleShape)
                {
                    RectangleShape    r    = shape as RectangleShape;
                    RectangleGeometry rect = new RectangleGeometry(new Rect(r.X < 0 ? 0 : r.X, r.Y < 0 ? 0 : r.Y, r.X < 0 ? r.Width + r.X : r.Width, r.Y < 0 ? r.Height + r.Y : r.Height));
                    rect.RadiusX = r.RX;
                    rect.RadiusY = r.RY;
                    if (rect.RadiusX == 0 && rect.RadiusY > 0)
                    {
                        rect.RadiusX = rect.RadiusY;
                    }
                    var di = this.NewDrawingItem(shape, rect);
                    AddDrawingToGroup(grp, shape, di);
                    continue;
                }
                if (shape is LineShape)
                {
                    LineShape    r    = shape as LineShape;
                    LineGeometry line = new LineGeometry(r.P1, r.P2);
                    var          di   = this.NewDrawingItem(shape, line);
                    AddDrawingToGroup(grp, shape, di);
                    continue;
                }
                if (shape is PolylineShape)
                {
                    PolylineShape r    = shape as PolylineShape;
                    PathGeometry  path = new PathGeometry();
                    PathFigure    p    = new PathFigure();
                    path.Figures.Add(p);
                    p.IsClosed   = false;
                    p.StartPoint = r.Points[0];
                    for (int index = 1; index < r.Points.Length; index++)
                    {
                        p.Segments.Add(new LineSegment(r.Points[index], true));
                    }
                    var di = this.NewDrawingItem(shape, path);
                    AddDrawingToGroup(grp, shape, di);
                    continue;
                }
                if (shape is PolygonShape)
                {
                    PolygonShape r    = shape as PolygonShape;
                    PathGeometry path = new PathGeometry();
                    PathFigure   p    = new PathFigure();
                    path.Figures.Add(p);
                    p.IsClosed   = true;
                    p.StartPoint = r.Points[0];
                    for (int index = 1; index < r.Points.Length; index++)
                    {
                        p.Segments.Add(new LineSegment(r.Points[index], true));
                    }
                    var di = this.NewDrawingItem(shape, path);
                    AddDrawingToGroup(grp, shape, di);
                    continue;
                }
                if (shape is CircleShape)
                {
                    CircleShape     r  = shape as CircleShape;
                    EllipseGeometry c  = new EllipseGeometry(new Point(r.CX, r.CY), r.R, r.R);
                    var             di = this.NewDrawingItem(shape, c);
                    AddDrawingToGroup(grp, shape, di);
                    continue;
                }
                if (shape is EllipseShape)
                {
                    EllipseShape    r  = shape as EllipseShape;
                    EllipseGeometry c  = new EllipseGeometry(new Point(r.CX, r.CY), r.RX, r.RY);
                    var             di = this.NewDrawingItem(shape, c);
                    AddDrawingToGroup(grp, shape, di);
                    continue;
                }
                if (shape is ImageShape)
                {
                    ImageShape   image = shape as ImageShape;
                    ImageDrawing i     = new ImageDrawing(image.ImageSource, new Rect(image.X, image.Y, image.Width, image.Height));
                    AddDrawingToGroup(grp, shape, i);
                    continue;
                }
                if (shape is TextShape)
                {
                    GeometryGroup gp = TextRender.BuildTextGeometry(shape as TextShape);
                    if (gp != null)
                    {
                        foreach (Geometry gm in gp.Children)
                        {
                            TextShape.TSpan.Element tspan = TextRender.GetElement(gm);
                            if (tspan != null)
                            {
                                var di = this.NewDrawingItem(tspan, gm);
                                AddDrawingToGroup(grp, shape, di);
                            }
                            else
                            {
                                var di = this.NewDrawingItem(shape, gm);
                                AddDrawingToGroup(grp, shape, di);
                            }
                        }
                    }
                    continue;
                }
                if (shape is PathShape)
                {
                    PathShape  r         = shape as PathShape;
                    PathFigure p         = null;
                    Point      lastPoint = new Point(0, 0);

                    PathShape.CurveTo          lastc = null;
                    PathShape.QuadraticCurveTo lastq = null;
                    Point        lastcirPoint        = new Point(0, 0);
                    PathGeometry path = PathGeometry.CreateFromGeometry(PathGeometry.Parse(r.Data));
                    //PathGeometry path = new PathGeometry();

                    /*
                     * foreach (PathShape.PathElement element in r.Elements)
                     * {
                     *  bool isRelative = element.IsRelative;
                     *  if (element is PathShape.MoveTo)
                     *  {
                     *      p = new PathFigure();
                     *      p.IsClosed = r.ClosePath;
                     *      if (isRelative) p.StartPoint = lastPoint + (Vector)((PathShape.MoveTo)element).Point;
                     *      else p.StartPoint = ((PathShape.MoveTo)element).Point;
                     *      lastPoint = p.StartPoint;
                     *      path.Figures.Add(p);
                     *      continue;
                     *  }
                     *  if (element is PathShape.LineTo)
                     *  {
                     *      PathShape.LineTo lineto = element as PathShape.LineTo;
                     *      foreach (Point point in lineto.Points)
                     *      {
                     *          if (isRelative)
                     *          {
                     *              Point newpoint = lastPoint + (Vector)point;
                     *              lastPoint = newpoint;
                     *              p.Segments.Add(new LineSegment(newpoint, true));
                     *          }
                     *          else
                     *          {
                     *              if (lineto.PositionType == PathShape.LineTo.eType.Point) lastPoint = point;
                     *              if (lineto.PositionType == PathShape.LineTo.eType.Horizontal) lastPoint = new Point(point.X, lastPoint.Y);
                     *              if (lineto.PositionType == PathShape.LineTo.eType.Vertical) lastPoint = new Point(lastPoint.X, point.Y);
                     *              p.Segments.Add(new LineSegment(lastPoint, true));
                     *          }
                     *      }
                     *      continue;
                     *  }
                     *  if (element is PathShape.CurveTo)
                     *  {
                     *      PathShape.CurveTo c = element as PathShape.CurveTo;
                     *      Point startPoint = lastPoint;
                     *      BezierSegment s = new BezierSegment();
                     *      if (isRelative)
                     *      {
                     *          s.Point1 = lastPoint + (Vector)c.CtrlPoint1;
                     *
                     *          if (c.Command == 's')
                     *          {
                     *              // first control point is a mirrored point of last end control point
                     *              //s.Point1 = lastPoint + new Vector(lastc.Point.X - dx, lastc.Point.Y - dy);
                     *              //s.Point1 = new Point(lastctrlpoint.X+2, lastctrlpoint.Y+2);
                     *
                     *              double dx = lastc.CtrlPoint2.X - lastc.Point.X;
                     *              double dy = lastc.CtrlPoint2.Y - lastc.Point.Y;
                     *              s.Point1 = new Point(lastcirPoint.X - dx, lastcirPoint.Y - dy);
                     *              //s.Point1 = lastctrlpoint;
                     *          }
                     *
                     *          s.Point2 = lastPoint + (Vector)c.CtrlPoint2;
                     *          s.Point3 = lastPoint + (Vector)c.Point;
                     *      }
                     *      else
                     *      {
                     *          if (c.Command == 's')
                     *          {
                     *              // first control point is a mirrored point of last end control point
                     *              //s.Point1 = lastPoint + new Vector(lastc.Point.X - dx, lastc.Point.Y - dy);
                     *              //s.Point1 = new Point(lastctrlpoint.X+2, lastctrlpoint.Y+2);
                     *
                     *              double dx = lastc.CtrlPoint2.X - lastc.Point.X;
                     *              double dy = lastc.CtrlPoint2.Y - lastc.Point.Y;
                     *              s.Point1 = new Point(lastcirPoint.X - dx, lastcirPoint.Y - dy);
                     *          }
                     *          else s.Point1 = c.CtrlPoint1;
                     *          s.Point2 = c.CtrlPoint2;
                     *          s.Point3 = c.Point;
                     *      }
                     *      lastPoint = s.Point3;
                     *      p.Segments.Add(s);
                     *
                     *      lastc = c;
                     *      lastcirPoint = s.Point3;
                     *
                     *      //debugPoints.Add(new ControlLine(startPoint, s.Point1));
                     *      //debugPoints.Add(new ControlLine(s.Point3, s.Point2));
                     *      continue;
                     *  }
                     *  if (element is PathShape.QuadraticCurveTo)
                     *  {
                     *      PathShape.QuadraticCurveTo c = element as PathShape.QuadraticCurveTo;
                     *      Point startPoint = lastPoint;
                     *      QuadraticBezierSegment s = new QuadraticBezierSegment();
                     *      if (isRelative)
                     *      {
                     *          s.Point1 = lastPoint + (Vector)c.CtrlPoint1;
                     *
                     *          if (c.Command == 'q' && lastq != null) // fix for horse svg! needed ?? or is it wrong in SVG?
                     *          {
                     *              // first control point is a mirrored point of last end control point
                     *              //s.Point1 = lastPoint + new Vector(lastc.Point.X - dx, lastc.Point.Y - dy);
                     *              //s.Point1 = new Point(lastctrlpoint.X+2, lastctrlpoint.Y+2);
                     *
                     *              double dx = lastq.CtrlPoint1.X - lastq.Point.X;
                     *              double dy = lastq.CtrlPoint1.Y - lastq.Point.Y;
                     *              s.Point1 = new Point(lastcirPoint.X - dx, lastcirPoint.Y - dy);
                     *              //s.Point1 = lastctrlpoint;
                     *          }
                     *
                     *          s.Point2 = lastPoint + (Vector)c.Point;
                     *      }
                     *      else
                     *      {
                     *          if (c.Command == 'q')
                     *          {
                     *              // first control point is a mirrored point of last end control point
                     *              //s.Point1 = lastPoint + new Vector(lastc.Point.X - dx, lastc.Point.Y - dy);
                     *              //s.Point1 = new Point(lastctrlpoint.X+2, lastctrlpoint.Y+2);
                     *
                     *              double dx = lastq.CtrlPoint1.X - lastq.Point.X;
                     *              double dy = lastq.CtrlPoint1.Y - lastq.Point.Y;
                     *              s.Point1 = new Point(lastcirPoint.X - dx, lastcirPoint.Y - dy);
                     *          }
                     *          else s.Point1 = c.CtrlPoint1;
                     *          s.Point2 = c.Point;
                     *      }
                     *      lastPoint = s.Point2;
                     *      p.Segments.Add(s);
                     *
                     *      lastq = c;
                     *      lastcirPoint = s.Point2;
                     *
                     *      //debugPoints.Add(new ControlLine(startPoint, s.Point1));
                     *      //debugPoints.Add(new ControlLine(s.Point3, s.Point2));
                     *      continue;
                     *  }
                     *  if (element is PathShape.EllipticalArcTo)
                     *  {
                     *      PathShape.EllipticalArcTo c = element as PathShape.EllipticalArcTo;
                     *      ArcSegment s = new ArcSegment();
                     *      if (isRelative) s.Point = lastPoint + new Vector(c.X, c.Y);
                     *      else s.Point = new Point(c.X, c.Y);
                     *
                     *      s.Size = new Size(c.RX, c.RY);
                     *      s.RotationAngle = c.AxisRotation;
                     *      s.SweepDirection = SweepDirection.Counterclockwise;
                     *      if (c.Clockwise) s.SweepDirection = SweepDirection.Clockwise;
                     *      s.IsLargeArc = c.LargeArc;
                     *      lastPoint = s.Point;
                     *      p.Segments.Add(s);
                     *      continue;
                     *  }
                     * }
                     */
                    /*
                     * if (r.Transform != null)
                     *  path.Transform = r.Transform;
                     */
                    var di = this.NewDrawingItem(shape, path);
                    AddDrawingToGroup(grp, shape, di);
                    //}
                }
            }


            if (debugPoints != null)
            {
                foreach (ControlLine line in debugPoints)
                {
                    grp.Children.Add(line.Draw());
                }
            }
            return(grp);
        }