// // This code is part of Document Solutions for PDF demos. // Copyright (c) MESCIUS inc. All rights reserved. // using System; using System.IO; using System.Collections.Generic; using System.Drawing; using GrapeCity.Documents.Pdf; using GrapeCity.Documents.Text; using GrapeCity.Documents.Drawing; namespace DsPdfWeb.Demos.Basics { // Demonstrates rendering of vertical text in LTR and RTL modes. // Also shows how to have text flow around rectangular objects. // See also JapaneseColumns. public class VerticalText { public int CreatePDF(Stream stream) { var doc = new GcPdfDocument(); var page = doc.NewPage(); // Use Landscape orientation: page.Landscape = true; var g = page.Graphics; // Some sample texts in Japanese, English and Arabic: string text1 = "学校教育の「国語」で教えられる。"; string text2 = " flow direction. "; string text3 = "النص العربي 12 + 34 = 46 مع الأرقام "; // Init font cache and get the required fonts: var fc = new FontCollection(); fc.RegisterDirectory(Path.Combine("Resources", "Fonts")); var fnt1 = fc.FindFamilyName("Noto Sans JP"); var fnt2 = fc.FindFamilyName("Noto Sans"); var fnt3 = fc.FindFamilyName("Noto Sans Arabic"); // Create text formats: var tf1 = new TextFormat() { Font = fnt1 }; var tf2 = new TextFormat() { Font = fnt2 }; var tf3 = new TextFormat() { Font = fnt3 }; // Create TextLayout and set some options on it: var tl = g.CreateTextLayout(); tl.FirstLineIndent = 36; tl.TextAlignment = TextAlignment.Justified; // This setting justifies the last line too: tl.LastLineIsEndOfParagraph = false; // Set all margins to 1": tl.MarginAll = tl.Resolution; tl.MaxWidth = page.Size.Width; tl.MaxHeight = page.Size.Height; // RTL layout: tl.RightToLeft = false; // Build a list of objects for the text to flow around: tl.ObjectRects = new List<ObjectRect>() { new ObjectRect(540, 100, 120, 160), new ObjectRect(100, 290, 170, 100), new ObjectRect(500, 350, 170, 100) }; // Fill corresponding rectangles on page so that we can see them: foreach (var or in tl.ObjectRects) g.FillRectangle(or.ToRectangleF(), Color.PaleVioletRed); // Add text to layout: for (int i = 0; i < 3; i++) { tl.Append(text1, tf1); tl.Append("Horizontal Top To Bottom" + text2, tf2); tl.AppendLine(text3, tf3); } // Perform and draw first layout: tl.PerformLayout(true); g.DrawTextLayout(tl, PointF.Empty); g.FillRectangle(tl.ContentRectangle, Color.FromArgb(20, Color.Red)); // Create 2nd layout - vertical rotated counter-clockwise: var t = tl.ContentHeight; tl.Clear(); tl.RotateSidewaysCounterclockwise = true; tl.FlowDirection = FlowDirection.VerticalLeftToRight; tl.MarginTop += t; // Add text to layout: for (int i = 0; i < 3; i++) { tl.Append(text1, tf1); tl.Append("Vertical Left To Right" + text2, tf2); tl.AppendLine(text3, tf3); } // Perform and draw second layout: tl.PerformLayout(true); g.DrawTextLayout(tl, PointF.Empty); g.FillRectangle(tl.ContentRectangle, Color.FromArgb(20, Color.Green)); // Create 3rd layout - vertical: tl.Clear(); tl.FlowDirection = FlowDirection.VerticalRightToLeft; tl.RotateSidewaysCounterclockwise = false; // Add text to layout: for (int i = 0; i < 3; i++) { tl.Append(text1, tf1); tl.Append("Vertical Right To Left" + text2, tf2); tl.AppendLine(text3, tf3); } // Perform and draw third layout: tl.PerformLayout(true); g.DrawTextLayout(tl, PointF.Empty); g.FillRectangle(tl.ContentRectangle, Color.FromArgb(20, Color.Blue)); // Done: doc.Save(stream); return doc.Pages.Count; } } }