public FigureGeometry(PathFigure figure, double strokeThickness)
            {
                this.Lines = figure.AsLines();
                var offsetLines1 = CreateOffsetLines(this.Lines, -strokeThickness / 2);
                var offsetLines2 = CreateOffsetLines(this.Lines, strokeThickness / 2);
                var pathGeometries = new PathGeometry[this.Lines.Count];
                for (var i = 0; i < this.Lines.Count; i++)
                {
                    var o1 = offsetLines1[i];
                    var o2 = offsetLines2[i];
                    pathGeometries[i] = CreatePath(o1, o2);
                }

                this.PathGeometries = pathGeometries;
                this.TotalLength = figure.TotalLength();
                this.Brushes = new Brush[this.Lines.Count];
            }