How can I move a rectangle within a PDF page without duplicating every information of the page using c# and iTextSharp

Question

I have already seen a solition to move content of a page to another postition. See: itext or itextsharp - move text in an existing PDF

Is it possible to do so without duplicating the whole content of the page?

a. Selece only the content of the rectabgle to move and copy only that.

b. Is there a possibility to create a reference to the page content und insert that in step 2 for the moved rectangle (PdfCopy).

I think the solution mentioned will add the page twice.

1: averything BUT the rectabgle (EoClip)

2: ONLY the rectangle (Clip)

        /// <summary>
        /// Edit the position of content in all pages in a document
        /// </summary>
        /// <param name="file">Path of the file to be edited</param>
        /// <param name="saveAs">Path of the file to be saved</param>
        /// <param name="x">Top left corner - X</param>
        /// <param name="y">Top left corner - Y/param>
        /// <param name="w">Rectangle width</param>
        /// <param name="h">Rectangle height</param>
        /// <param name="moveX">Move X (+ right, - left)</param>
        /// <param name="moveY">Move Y (+ down, - up)</param>
        [Description("Edit the scale of all pages in a document")]
        [CommandLineVisible(true)]
        [EditorBrowsable(EditorBrowsableState.Always)]
        [Order("EditPosition.00")]
        public static void EditPosition(
            [Description("Path of the file to be edited")]
            [Editor(typeof(System.Windows.Forms.Design.FileNameEditor), typeof(System.Drawing.Design.UITypeEditor))]
            string file,
            [Description("Path of the file to be saved")]
            [Editor(typeof(System.Windows.Forms.Design.FileNameEditor), typeof(System.Drawing.Design.UITypeEditor))]
            string saveAs,
            [Description("Top left corner - X")]
            float x,
            [Description("Top left corner - Y")]
            float y,
            [Description("Rectangle width")]
            float w,
            [Description("Rectangle height")]
            float h,
            [Description("Move X (+ right, - left)")]
            float moveX,
            [Description("Move Y (+ down, - up)")]
            float moveY
            )
        {
            file = prepareInput(file);
            FileInfo input = new FileInfo(file);
            writeInfoLine(String.Format("Datei \"{0}\"", file));
            FileInfo tmpPDF = new FileInfo(System.IO.Path.GetTempFileName());
            if (saveAs == String.Empty || saveAs == null)
            {
                saveAs = input.FullName;
            }

            using (var reader = new PdfReader(new MemoryStream(File.ReadAllBytes(input.FullName))))
            using (var document = new Document(reader.GetPageSize(1)))
            using (var ms = new MemoryStream())
            using (var writer = PdfWriter.GetInstance(document, ms))
            {
                document.Open();
                PdfContentByte cb = writer.DirectContent;

                // Rectangle umrechnen; PDF Orientierung von unten links
                RectangleF area = new RectangleF(x, y, w, h);

                for (int p = 1; p <= reader.NumberOfPages; p++)
                {
                    PdfImportedPage page = writer.GetImportedPage(reader, p);
                    iTextSharp.text.Rectangle pageSize = reader.GetPageSize(p);


                    document.SetPageSize(pageSize);
                    document.NewPage();

                    PdfTemplate template1 = cb.CreateTemplate(pageSize.Width, pageSize.Height);
                    template1.Rectangle(0, 0, pageSize.Width, pageSize.Height);
                    template1.Rectangle(area.Left, pageSize.Height - area.Bottom,
                            area.Width, area.Height);
                    template1.EoClip(); // ADD 1
                    template1.NewPath();
                    template1.AddTemplate(page, 0, 0);
                    PdfTemplate template2 = cb.CreateTemplate(pageSize.Width, pageSize.Height);
                    template2.Rectangle(area.Left, pageSize.Height - area.Bottom,
                            area.Width, area.Height);
                    template2.Clip(); // ADD 2
                    template2.NewPath();
                    template2.AddTemplate(page, 0, 0);
                    cb.AddTemplate(template1, 0, 0);
                    cb.AddTemplate(template2, moveX, -moveY);

                }
                document.Close();
                File.WriteAllBytes(tmpPDF.FullName, ms.GetBuffer());
            }

            // Move temp.pdf to destination
            lastpath = saveOutput(saveAs, tmpPDF, input, null);
            return;
        }