public RichMediaAnnotation(PdfWriter writer, Rectangle rect)
{
this.writer = writer;
annot = new PdfAnnotation(writer, rect);
annot.Put(PdfName.SUBTYPE, PdfName.RICHMEDIA);
richMediaContent = new PdfDictionary(PdfName.RICHMEDIACONTENT);
assetsmap = new Dictionary<string,PdfIndirectReference>();
configurations = new PdfArray();
views = new PdfArray();
}