//// This code is part of Document Solutions for PDF .NET demos.// Copyright (c) MESCIUS inc. All rights reserved.//using System.IO;using System.Drawing;using GrapeCity.Documents.Pdf;using GrapeCity.Documents.Text;
namespace DsPdfWeb.Demos.Basics{    // This sample lists Unicode ranges available in each system font.    public class UnicodeRanges    {        public int CreatePDF(Stream stream)        {            // Setup:            var doc = new GcPdfDocument();            var tl = new TextLayout(72)            {                MaxWidth = doc.PageSize.Width,                MaxHeight = doc.PageSize.Height,                MarginAll = 72,            };            tl.DefaultFormat.FontSize = 7;            var tfH = new TextFormat() { Font = StandardFonts.TimesBold, FontSize = 12 };            var tfP = new TextFormat() { Font = StandardFonts.Times, FontSize = 11 };
            // Loop through all system fonts,            // list Unicode ranges provided by each font:            foreach (var font in FontCollection.SystemFonts)            {                tl.AppendLine($"{font.FontFileName} [{font.FullFontName}] [{font.FontFamilyName}]", tfH);                var shot = font.CreateFontTables(TableTag.OS2);                tl.AppendLine(shot.GetUnicodeRanges(), tfP);                tl.AppendLine();            }
            // Split and render TextLayout as shown in the PaginatedText sample:            var to = new TextSplitOptions(tl)            {                MinLinesInFirstParagraph = 2,                MinLinesInLastParagraph = 2            };            tl.PerformLayout(true);            while (true)            {                var splitResult = tl.Split(to, out TextLayout rest);                doc.Pages.Add().Graphics.DrawTextLayout(tl, PointF.Empty);                if (splitResult != SplitResult.Split)                    break;                tl = rest;            }
            // Done:            doc.Save(stream);            return doc.Pages.Count;        }    }}