//// 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.Pdf.Annotations;using DsPdfWeb.Demos.Common;
namespace DsPdfWeb.Demos.Basics{    // This demo shows how to add video and audio clips to a PDF using RichMediaAnnotation.    public class RichMedia    {        public int CreatePDF(Stream stream)        {            var doc = new GcPdfDocument();            var page = doc.NewPage();
            var videoPath = Path.Combine("Resources", "Video", "waterfall.mp4");            var audioPath0 = Path.Combine("Resources", "Sounds", "city-noises.mp3");            var audioPath1 = Path.Combine("Resources", "Sounds", "dong.wav");            const int smallGap = 18;            const int largeGap = 36;
            // Add a video which plays when the page becomes visible:            var rc = Util.AddNote("The following video plays automatically when the page becomes visible:", page);            var rma = new RichMediaAnnotation();            var videoEfs = EmbeddedFileStream.FromFile(doc, videoPath);            var videoFileSpec = FileSpecification.FromEmbeddedStream(Path.GetFileName(videoPath), videoEfs);            rma.SetVideo(videoFileSpec);            rma.PresentationStyle = RichMediaAnnotationPresentationStyle.Embedded;            rma.ActivationCondition = RichMediaAnnotationActivation.PageBecomesVisible;            rma.DeactivationCondition = RichMediaAnnotationDeactivation.PageBecomesInvisible;            rma.ShowNavigationPane = true;            rma.Page = page;            rma.Rect = new RectangleF(rc.X, rc.Bottom + smallGap, 72 * 5, 72 * 5 * 0.56f);
            // Add the same video clip which plays in a popup window (reuse the FileSpecification):            rc = Util.AddNote("The same video that plays in a popup window:", page, new RectangleF(rc.X, rma.Rect.Bottom + largeGap, rc.Width, 0));            rma = new RichMediaAnnotation();            rma.SetVideo(videoFileSpec);            rma.PresentationStyle = RichMediaAnnotationPresentationStyle.Windowed;            rma.ActivationCondition = RichMediaAnnotationActivation.UserAction;            rma.Page = page;            rma.Rect = new RectangleF(rc.X, rc.Bottom + smallGap, 144, 144);
            // Add a couple of audio clips:            rc = Util.AddNote("Two audio clips that play when clicked:", page, new RectangleF(rc.X, rma.Rect.Bottom + largeGap, rc.Width, 0));            rma = new RichMediaAnnotation();            var audioEfs0 = EmbeddedFileStream.FromFile(doc, audioPath0);            var audioFileSpec0 = FileSpecification.FromEmbeddedStream(Path.GetFileName(audioPath0), audioEfs0);            rma.SetAudio(audioFileSpec0);            rma.PresentationStyle = RichMediaAnnotationPresentationStyle.Embedded;            rma.ActivationCondition = RichMediaAnnotationActivation.UserAction;            rma.Page = page;            rma.Rect = new RectangleF(rc.X, rc.Bottom + smallGap, 72, 36);            //            rma = new RichMediaAnnotation();            var audioEfs1 = EmbeddedFileStream.FromFile(doc, audioPath1);            var audioFileSpec1 = FileSpecification.FromEmbeddedStream(Path.GetFileName(audioPath1), audioEfs1);            rma.SetAudio(audioFileSpec1);            rma.PresentationStyle = RichMediaAnnotationPresentationStyle.Embedded;            rma.ActivationCondition = RichMediaAnnotationActivation.UserAction;            rma.Page = page;            rma.Rect = new RectangleF(rc.X + 144, rc.Bottom + smallGap, 72, 36);
            // Done:            doc.Save(stream);            return doc.Pages.Count;        }    }}