Changing properties of an annotation

JAVA

/*
    This file is part of the iText (R) project.
    Copyright (c) 1998-2023 Apryse Group NV
    Authors: Apryse Software.

    For more information, please contact iText Software at this address:
    sales@itextpdf.com
 */
package com.itextpdf.samples.sandbox.annotations;

import com.itextpdf.kernel.pdf.PdfDocument;
import com.itextpdf.kernel.pdf.PdfReader;
import com.itextpdf.kernel.pdf.PdfWriter;
import com.itextpdf.kernel.pdf.PdfDictionary;
import com.itextpdf.kernel.pdf.PdfArray;
import com.itextpdf.kernel.pdf.PdfName;
import com.itextpdf.layout.Document;

import java.io.File;

public class MovePopup {
    public static final String DEST = "./target/sandbox/annotations/move_popup.pdf";

    public static final String SRC = "./src/main/resources/pdfs/hello_sticky_note.pdf";

    public static void main(String[] args) throws Exception {
        File file = new File(DEST);
        file.getParentFile().mkdirs();

        new MovePopup().manipulatePdf(DEST);
    }

    protected void manipulatePdf(String dest) throws Exception {
        PdfDocument pdfDoc = new PdfDocument(new PdfReader(SRC), new PdfWriter(dest));
        Document doc = new Document(pdfDoc);
        PdfDictionary page = pdfDoc.getFirstPage().getPdfObject();
        PdfArray annots = page.getAsArray(PdfName.Annots);

        // Get sticky notes annotation and change the rectangle of that annotation
        PdfDictionary sticky = annots.getAsDictionary(0);
        PdfArray stickyRect = sticky.getAsArray(PdfName.Rect);

        PdfArray stickyRectangle = new PdfArray(new float[] {
                stickyRect.getAsNumber(0).floatValue() - 120, stickyRect.getAsNumber(1).floatValue() - 70,
                stickyRect.getAsNumber(2).floatValue(), stickyRect.getAsNumber(3).floatValue() - 30
        });
        sticky.put(PdfName.Rect, stickyRectangle);

        // Get pop-up window annotation and change the rectangle of that annotation
        PdfDictionary popup = annots.getAsDictionary(1);
        PdfArray popupRect = popup.getAsArray(PdfName.Rect);

        PdfArray popupRectangle = new PdfArray(new float[] {
                popupRect.getAsNumber(0).floatValue() - 250, popupRect.getAsNumber(1).floatValue(),
                popupRect.getAsNumber(2).floatValue(), popupRect.getAsNumber(3).floatValue() - 250
        });
        popup.put(PdfName.Rect, popupRectangle);

        doc.close();
    }
}

C#

using System;
using System.IO;
using iText.Kernel.Pdf;
using iText.Layout;

namespace iText.Samples.Sandbox.Annotations
{
    public class MovePopup
    {
        public static readonly String DEST = "results/sandbox/annotations/move_popup.pdf";

        public static readonly String SRC = "../../../resources/pdfs/hello_sticky_note.pdf";

        public static void Main(String[] args)
        {
            FileInfo file = new FileInfo(DEST);
            file.Directory.Create();

            new MovePopup().ManipulatePdf(DEST);
        }

        protected void ManipulatePdf(String dest)
        {
            PdfDocument pdfDoc = new PdfDocument(new PdfReader(SRC), new PdfWriter(dest));
            Document doc = new Document(pdfDoc);
            PdfDictionary page = pdfDoc.GetFirstPage().GetPdfObject();
            PdfArray annots = page.GetAsArray(PdfName.Annots);

            // Get sticky notes annotation and change the rectangle of that annotation
            PdfDictionary sticky = annots.GetAsDictionary(0);
            PdfArray stickyRect = sticky.GetAsArray(PdfName.Rect);

            PdfArray stickyRectangle = new PdfArray(new float[]
            {
                stickyRect.GetAsNumber(0).FloatValue() - 120, stickyRect.GetAsNumber(1).FloatValue() - 70,
                stickyRect.GetAsNumber(2).FloatValue(), stickyRect.GetAsNumber(3).FloatValue() - 30
            });
            sticky.Put(PdfName.Rect, stickyRectangle);

            // Get pop-up window annotation and change the rectangle of that annotation
            PdfDictionary popup = annots.GetAsDictionary(1);
            PdfArray popupRect = popup.GetAsArray(PdfName.Rect);

            PdfArray popupRectangle = new PdfArray(new float[]
            {
                popupRect.GetAsNumber(0).FloatValue() - 250, popupRect.GetAsNumber(1).FloatValue(),
                popupRect.GetAsNumber(2).FloatValue(), popupRect.GetAsNumber(3).FloatValue() - 250
            });
            popup.Put(PdfName.Rect, popupRectangle);

            doc.Close();
        }
    }
}