// // 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.Pdf.Annotations; namespace DsPdfWeb.Demos.Basics { // Shows how to add an ink annotation to a PDF document, // and how to render its content using the InkAnnotation.Paths property. public class InkAnnotPaths { public int CreatePDF(Stream stream) { var doc = new GcPdfDocument(); var page = doc.NewPage(); // User name for the annotation's author: var user1 = "Jaime Smith"; var rc = Common.Util.AddNote( "This sample creates an ink annotation and shows how to use the InkAnnotation.Paths property " + "to render the annotation's content. The content is specified by discrete points that should be " + "connected when a PDF viewer renders them. The points can be connected either by straight or " + "curved lines depending on the viewer implementation.", page); var inkAnnot = new InkAnnotation() { UserName = user1, Rect = new RectangleF(rc.Left, rc.Bottom + 20, 72 * 5, 72 * 2), LineWidth = 2, Color = Color.DarkBlue, Contents = "This is an ink annotation drawn via InkAnnotation.Paths." }; float x0 = 80, x = 80, y = rc.Bottom + 24, h = 18, dx = 2, dy = 4, dx2 = 4, w = 10, xoff = 15; // Scribble 'ink annotation' text: // i var paths = new List<PointF[]>(); paths.Add(new[] { new PointF(x + w/2, y), new PointF(x + w/2, y + h), new PointF(x + w, y + h*.7f) }); paths.Add(new[] { new PointF(x + w/2 - dx, y - h/3 + dy), new PointF(x + w/2 + dx, y - h/3) }); // n x += xoff; paths.Add(new[] { new PointF(x, y), new PointF(x, y + h), new PointF(x, y + h - dy), new PointF(x + w*0.7f, y), new PointF(x + w - dx/2, y + h*.6f), new PointF(x + w, y + h), new PointF(x + w + dx2, y + h*.7f) }); // k x += xoff; paths.Add(new[] { new PointF(x, y - h/3), new PointF(x, y + h) }); paths.Add(new[] { new PointF(x + w, y), new PointF(x + dx, y + h/2 - dy), new PointF(x, y + h/2), new PointF(x + dx2, y + h/2 + dy), new PointF(x + w, y + h), new PointF(x + w + dx2, y + h*.7f) }); // a x += xoff * 2; paths.Add(new[] { new PointF(x + w, y + dy), new PointF(x + w/2, y), new PointF(x, y + h/2), new PointF(x + w/2, y + h), new PointF(x + w, y + dy), new PointF(x + w, y), new PointF(x + w, y + h), new PointF(x + w + dx2, y + h*.7f) }); // n x += xoff; paths.Add(new[] { new PointF(x, y), new PointF(x, y + h), new PointF(x, y + h - dy), new PointF(x + w*0.7f, y), new PointF(x + w - dx/2, y + h*.6f), new PointF(x + w, y + h), new PointF(x + w + dx2, y + h*.7f) }); // n x += xoff; paths.Add(new[] { new PointF(x, y), new PointF(x, y + h), new PointF(x, y + h - dy), new PointF(x + w*0.7f, y), new PointF(x + w - dx/2, y + h*.6f), new PointF(x + w, y + h), new PointF(x + w + dx2, y + h*.7f) }); // o x += xoff; paths.Add(new[] { new PointF(x + w/2, y), new PointF(x + w/2 - dx, y), new PointF(x, y + h/2), new PointF(x + w/2, y + h), new PointF(x + w, y + h/2), new PointF(x + w/2 + dx, y), new PointF(x + w/2, y) }); // t x += xoff; paths.Add(new[] { new PointF(x + w/2, y - h/3), new PointF(x + w/2, y + h), new PointF(x + w, y + h*.7f) }); paths.Add(new[] { new PointF(x, y), new PointF(x + w, y) }); // a x += xoff; paths.Add(new[] { new PointF(x + w, y + dy), new PointF(x + w/2, y), new PointF(x, y + h/2), new PointF(x + w/2, y + h), new PointF(x + w, y + dy), new PointF(x + w, y), new PointF(x + w, y + h), new PointF(x + w + dx2, y + h*.7f) }); // t x += xoff; paths.Add(new[] { new PointF(x + w/2, y - h/3), new PointF(x + w/2, y + h), new PointF(x + w, y + h*.7f) }); paths.Add(new[] { new PointF(x, y), new PointF(x + w, y) }); // i x += xoff; paths.Add(new[] { new PointF(x + w/2, y), new PointF(x + w/2, y + h), new PointF(x + w, y + h*.7f) }); paths.Add(new[] { new PointF(x + w/2 - dx, y - h/3 + dy), new PointF(x + w/2 + dx, y - h/3) }); // o x += xoff; paths.Add(new[] { new PointF(x + w/2, y), new PointF(x + w/2 - dx, y), new PointF(x, y + h/2), new PointF(x + w/2, y + h), new PointF(x + w, y + h/2), new PointF(x + w/2 + dx, y), new PointF(x + w/2, y) }); // n x += xoff; paths.Add(new[] { new PointF(x, y), new PointF(x, y + h), new PointF(x, y + h - dy), new PointF(x + w*0.7f, y), new PointF(x + w - dx/2, y + h*.6f), new PointF(x + w, y + h), new PointF(x + w + dx2, y + h*.7f), new PointF(x + w*3, y + h*.4f), new PointF(x + w + dx2, y + h + dy*2), new PointF(x0, y + h + dy)} ); inkAnnot.Paths = paths; page.Annotations.Add(inkAnnot); // Done: doc.Save(stream); return doc.Pages.Count; } } }