PDF Mosaic: How to create PDF with unicode and CJK support

using PDFMosaic;
using System.Drawing;
 
namespace Fonts
{
    class Fonts
    {
        static void Main()
        {
            PDFDocument document = new PDFDocument();
            document.Pages.Add(new PDFPage(PDFPaperFormat.A4));
            PDFCanvas canvas = document.Pages[0].Canvas;
 
            PDFBrush brush = new PDFSolidBrush();
 
            PDFFont font = new PDFFont("Arial", 12);
 
            canvas.DrawString("English -- Hello, World!", font, brush, 10, 10);
            canvas.DrawString("Russian -- Привет, мир!", font, brush, 10, 30);
            canvas.DrawString("French -- Vous êtes le Phénix des hôtes de ces bois.", font, brush, 10, 50);
            canvas.DrawString("German -- In ihrem Aufgabenbereich lag die komplette Organisation des Sekretariat des Geschäftsführers", font, brush, 10, 70);
            canvas.DrawString("Spanish -- Texto de ejemplo", font, brush, 10, 90);
	    canvas.DrawString("Arabic -- هذا الخط مكتوب باللغة العربية", font, brush, 10, 110);
            canvas.DrawString("Turkish  -- Yukarda mavi gök, asağıda yağız yer yaratıldıkta", font, brush, 10, 130);
 
	    font = new PDFFont("Gulim", 12);
            canvas.DrawString("Chinese -- 這行是用繁體中文寫的", font, brush, 10, 180);          
 
            document.Save("Fonts.pdf", true);
        }
    }
}