PdfDocument document = new PdfDocument();
        PdfPage page = document.AddPage();
        XGraphics gfx = XGraphics.FromPdfPage(page, XGraphicsUnit.Millimeter);
        XPen pen = new XPen(XColors.Black, 1); // Pen for drawing

        // Rectangle properties
        double rectWidth = 150;
        double rectHeight = 200;

        // Circle properties
        double circleDiameter = 200;

        gfx.DrawRectangle(pen, 10, 10, rectWidth, rectHeight);

        gfx.DrawArc(pen, 10, 10, circleDiameter, circleDiameter, 60, 240); // Right straight side
        gfx.DrawArc(pen, -40, 10, circleDiameter, circleDiameter, 240, 240); // Left straight side

        const string filename = "TEST1.pdf";
        document.Save(filename);