//// 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 shows how to render a long text spanning multiple pages.    public class PaginatedText    {        public int CreatePDF(Stream stream)        {            var doc = new GcPdfDocument();            // Use TextLayout to render text:            var tl = new TextLayout(72);            // If not specifying formats for individual runs, we MUST provide            // font and font size on TextLayout.DefaultFormat:            tl.DefaultFormat.Font = StandardFonts.Times;            tl.DefaultFormat.FontSize = 12;            // First line offset 1/2":            tl.FirstLineIndent = 72 / 2;            //            // All other formatting properties are left at their default values.            // In particular, TextLayout's default resolution is 72 dpi -             // the same as DsPdf's, and WordWrap is true.            //            // Set TextLayout's area to the whole page:            tl.MaxWidth = doc.PageSize.Width;            tl.MaxHeight = doc.PageSize.Height;            // ...and have it manage the page margins (1" all around):            tl.MarginAll = tl.Resolution;            //            // Append the text (20 paragraphs so they would not fit on a single page)            // (note that TextLayout interprets "\r\n" as paragraph delimiter):            tl.Append(Common.Util.LoremIpsum(20));            //            // When all text has been added, we must calculate the glyphs needed to render the text,            // and perform the layout. This can be done by a single call to PerformLayout, passing true to            // recalculate glyphs first (even though the text won't all fit in the specified max size,            // we only need to call PerformLayout once):            tl.PerformLayout(true);            // Use split options to provide widow/orphan control:            var to = new TextSplitOptions(tl);            to.MinLinesInFirstParagraph = 2;            to.MinLinesInLastParagraph = 2;            // In a loop, split and render the text:            while (true)            {                // 'rest' will accept the text that did not fit:                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;        }    }}