// // This code is part of Document Solutions for PDF demos. // Copyright (c) MESCIUS inc. All rights reserved. // using System; using System.IO; using System.Drawing; using GrapeCity.Documents.Pdf; using GrapeCity.Documents.Text; using GrapeCity.Documents.Pdf.Annotations; using DsPdfWeb.Demos.Common; using System.Xml.Linq; using System.Linq; namespace DsPdfWeb.Demos.Basics { // This demo shows how to replace an image in a PDF with a video clip. public class InsertVideo { public int CreatePDF(Stream stream) { var pdfPath = Path.Combine("Resources", "PDFs", "Wetlands.pdf"); var videoPath = Path.Combine("Resources", "Video", "waterfall.mp4"); using var fs = File.OpenRead(pdfPath); var doc = new GcPdfDocument(); doc.Load(fs); var page = doc.Pages.First(); // Find the largest image on the first page: RectangleF imageRect = RectangleF.Empty; foreach (var img in page.GetImages()) { foreach (var l in img.Locations.Where(l_ => l_.Page.Index == 0)) { var r = l.PageBounds.ToRect(); if (r.Height > imageRect.Height) imageRect = r; } } if (imageRect == RectangleF.Empty) throw new Exception("Could not find an image on the first page."); // Remove it: doc.Redact(new RedactAnnotation() { Page = page, Rect = imageRect }); // Add a video clip in the rectangle previously occupied by the image: 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 = imageRect; // Done: doc.Save(stream); return doc.Pages.Count; } } }