public Screen( Page page, drawing::RectangleF box, String text, Rendition rendition ) : base(page, PdfName.Screen, box, text) { Render render = new Render(this, Render.OperationEnum.PlayResume, rendition); { // Adding preview and play/pause control... /* * NOTE: Mouse-related actions don't work when the player is active; therefore, in order to let * the user control the rendering of the media clip (play/pause) just by mouse-clicking on the * player, we can only rely on the player's focus event. Furthermore, as the player's focus can * only be altered setting it on another widget, we have to define an ancillary field on the * same page (so convoluted!). */ string playerReference = "__player" + ((PdfReference)render.BaseObject).ObjectNumber; Document.Form.Fields.Add(new TextField(playerReference, new Widget(page, new drawing::RectangleF(box.X, box.Y, 0, 0)), "")); // Ancillary field. render.Script = RenderScript.Replace(PlayerPlaceholder, playerReference); } Actions.OnPageOpen = render; if (rendition is MediaRendition) { PdfObjectWrapper data = ((MediaRendition)rendition).Clip.Data; if (data is FileSpecification) { // Adding fallback annotation... /* * NOTE: In case of viewers which don't support video rendering, this annotation gently * degrades to a file attachment that can be opened on the same location of the corresponding * screen annotation. */ FileAttachment attachment = new FileAttachment(page, box, text, (FileSpecification)data); BaseDataObject[PdfName.T] = PdfString.Get(((FileSpecification)data).Path); // Force empty appearance to ensure no default icon is drawn on the canvas! attachment.BaseDataObject[PdfName.AP] = new PdfDictionary(new PdfName[] { PdfName.D, PdfName.R, PdfName.N }, new PdfDirectObject[] { new PdfDictionary(), new PdfDictionary(), new PdfDictionary() }); } } }