//// This code is part of Document Solutions for PDF .NET demos.// Copyright (c) MESCIUS inc. All rights reserved.//using System.IO;using System.Collections.Generic;using System.Drawing;using GrapeCity.Documents.Pdf;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;        }    }}