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() });
}
}
}
