//// 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;
namespace DsPdfWeb.Demos.Basics{    // This sample shows how to hyphenate text that contains soft hyphen characters (0x00AD).    // Breaks will be inserted at soft hyphen positions (if they are present in the text)    // if TextLayout.WrapMode is set to WordWrap. Two properties are provided to control    // hyphenation:    // - TextLayout.SoftHyphenReplacementCharCode: specifies the character used as replacement    //   for soft hyphen when breaking words across lines. By default this property is 0x002D    //   (the Unicode hyphen-minus character). Setting this property to 0 breaks words without    //   showing any visible hyphen character. Setting it to -1 prevents breaking words at soft    //   hyphens).    // - TextLayout.LinesBetweenConsecutiveHyphens: specifies the minimum number of non-    //   hyphenated lines between lines ending in a hyphen. By default this property is zero.    public class Hyphenation    {        public int CreatePDF(Stream stream)        {            // The online hypho-o tool            // was used to insert soft hyphens in the sample text from WordCharWrap:            var str =                "Lose noth­ing in your doc­u­ments! Document Solutions for PDF " +                "in­cludes text and para­graph format­ting, spe­cial char­ac­ters, " +                "mul­tiple lan­guages, RTL sup­port, ver­tic­al and ro­tated text " +                "on all sup­por­ted plat­forms.";            // Replace HTML soft hyphens with Unicode ones:            str = str.Replace("­", "\u00AD");
            var doc = new GcPdfDocument();            var page = doc.NewPage();            var g = page.Graphics;
            var tl = g.CreateTextLayout();            tl.Append(str);            tl.DefaultFormat.Font = StandardFonts.Times;            tl.DefaultFormat.FontSize = 12;            tl.MaxWidth = 72 * 3;
            // By default 0x002D (hyphen-minus) will be used as the hyphenation character            // when breaking a line at a soft hyphen (0x00AD):            tl.PerformLayout(true);
            var dy = tl.Lines[0].Height + 72 / 16;            var rc = new RectangleF(72, 72 + dy, tl.MaxWidth.Value, 72 * 1.4F);
            g.DrawString("Default hyphenation:", tl.DefaultFormat, new PointF(rc.Left, rc.Top - dy));            g.DrawTextLayout(tl, rc.Location);            g.DrawRectangle(rc, Color.CornflowerBlue);
            rc.Offset(0, 72 * 2);            // This will avoid hyphenating two consecutive lines:            tl.LinesBetweenConsecutiveHyphens = 1;            // Changing hyphenation options requires RecalculateGlyphs():            tl.PerformLayout(true);            g.DrawString("LinesBetweenConsecutiveHyphens: 1", tl.DefaultFormat, new PointF(rc.Left, rc.Top - dy));            g.DrawTextLayout(tl, rc.Location);            g.DrawRectangle(rc, Color.CornflowerBlue);
            rc.Offset(0, 72 * 2);            // Reset previous setting:            tl.LinesBetweenConsecutiveHyphens = 0;            // Prevent hyphenating words at all:            tl.SoftHyphenReplacementCharCode = -1;            // Changing hyphenation options requires RecalculateGlyphs():            tl.PerformLayout(true);            g.DrawString("SoftHyphenReplacementCharCode: -1", tl.DefaultFormat, new PointF(rc.Left, rc.Top - dy));            g.DrawTextLayout(tl, rc.Location);            g.DrawRectangle(rc, Color.CornflowerBlue);
            // Done:            doc.Save(stream);            return doc.Pages.Count;        }    }}