/**
         * Gets the content stream of a page as a PdfStream object.
         * @param   pageNumber          the page of which you want the stream
         * @param   compressionLevel    the compression level you want to apply to the stream
         * @return  a PdfStream object
         * @since   2.1.3 (the method already existed without param compressionLevel)
         */
        internal PdfStream GetFormXObject(int pageNumber, int compressionLevel)
        {
            PdfDictionary page     = reader.GetPageNRelease(pageNumber);
            PdfObject     contents = PdfReader.GetPdfObjectRelease(page.Get(PdfName.CONTENTS));
            PdfDictionary dic      = new PdfDictionary();

            byte[] bout = null;
            if (contents != null)
            {
                if (contents.IsStream())
                {
                    dic.Merge((PRStream)contents);
                }
                else
                {
                    bout = reader.GetPageContent(pageNumber, file);
                }
            }
            else
            {
                bout = new byte[0];
            }
            dic.Put(PdfName.RESOURCES, PdfReader.GetPdfObjectRelease(page.Get(PdfName.RESOURCES)));
            dic.Put(PdfName.TYPE, PdfName.XOBJECT);
            dic.Put(PdfName.SUBTYPE, PdfName.FORM);
            PdfImportedPage impPage = (PdfImportedPage)importedPages[pageNumber];

            dic.Put(PdfName.BBOX, new PdfRectangle(impPage.BoundingBox));
            PdfArray matrix = impPage.Matrix;

            if (matrix == null)
            {
                dic.Put(PdfName.MATRIX, IDENTITYMATRIX);
            }
            else
            {
                dic.Put(PdfName.MATRIX, matrix);
            }
            dic.Put(PdfName.FORMTYPE, ONE);
            PRStream stream;

            if (bout == null)
            {
                stream = new PRStream((PRStream)contents, dic);
            }
            else
            {
                stream = new PRStream(reader, bout);
                stream.Merge(dic);
            }
            return(stream);
        }
 /**
 * Gets the content stream of a page as a PdfStream object.
 * @param   pageNumber          the page of which you want the stream
 * @param   compressionLevel    the compression level you want to apply to the stream
 * @return  a PdfStream object
 * @since   2.1.3 (the method already existed without param compressionLevel)
 */
 internal PdfStream GetFormXObject(int pageNumber, int compressionLevel)
 {
     PdfDictionary page = reader.GetPageNRelease(pageNumber);
     PdfObject contents = PdfReader.GetPdfObjectRelease(page.Get(PdfName.CONTENTS));
     PdfDictionary dic = new PdfDictionary();
     byte[] bout = null;
     if (contents != null) {
         if (contents.IsStream())
             dic.Merge((PRStream)contents);
         else
             bout = reader.GetPageContent(pageNumber, file);
     }
     else
         bout = new byte[0];
     dic.Put(PdfName.RESOURCES, PdfReader.GetPdfObjectRelease(page.Get(PdfName.RESOURCES)));
     dic.Put(PdfName.TYPE, PdfName.XOBJECT);
     dic.Put(PdfName.SUBTYPE, PdfName.FORM);
     PdfImportedPage impPage = (PdfImportedPage)importedPages[pageNumber];
     dic.Put(PdfName.BBOX, new PdfRectangle(impPage.BoundingBox));
     PdfArray matrix = impPage.Matrix;
     if (matrix == null)
         dic.Put(PdfName.MATRIX, IDENTITYMATRIX);
     else
         dic.Put(PdfName.MATRIX, matrix);
     dic.Put(PdfName.FORMTYPE, ONE);
     PRStream stream;
     if (bout == null) {
         stream = new PRStream((PRStream)contents, dic);
     }
     else {
         stream = new PRStream(reader, bout);
         stream.Merge(dic);
     }
     return stream;
 }