Apply a stamp on every page on random position and with a slight rotation

[PeterParkerX1]

Hello!

I have a 2000 document, which needs to be signed manually (u know with a PEN).

So I scanned my signature, I vectorized the scanned signature and I added that file to Adobe Acrobat.

I can see my signature in the "Comment Section" - "Add stamp" - "Dynamic" - My Signature.

My question: Can I add this stamp on my 2000 pdf document in a single click, with a slight rotation (+- 20degrees) and a random location  (a given location to which I add +- 1 inch <up-down-right-left>)?

The pages are all the same format.

I have Adobe Acrobat X

[PeterParkerX1]

I found the "Batch Stamp Utility" from here: Batch Stamp Utility - idtPlans LLC

A very nice tool.  I put the javascript file in notepad and I found the code which I would like to tweak a little:

if (StampTool.strGRP1 == "AAll") {

var pg = 0;

var nmb = this.numPages;

for (i = 0; i < nmb; i++) {

//here i would like to rotate and change the coordinates of the selected annotation before applying it

// could u tell me how could I do that or show where should I look to find more information about this

oProps.page = pg;

this.addAnnot(oProps);

var pg = pg + 1;

} st.destroy(); }

[adaptable_Eclipse15A8]

A stamp annotation has a rect property and a rotate property. You'd use these to control the placement of the stamp on a page. More information on these two properties is in the Acrobat JavaScript reference, but if you need help, post again. Here's a good tutorial that will probably be useful: https://acrobatusers.com/tutorials/auto_placement_annotations

I mention this tutorial since it's possible that not every page has the same rotation, so you should be prepared for that.

[PeterParkerX1]

After losing 1-2 hours to understand how can I create a HelloWorld application using Javascript in Adobe, I realized that the PDF business is too big not to be used with Java or C#.

So I found a more elegant (and easier for me) solution to my problem, without JAvascript. Tomorrow I will post the solution.

[PeterParkerX1 · Accepted solution]

Ok, in order to achieve my question I used C# and iTextSharp framework.

This is the code. The code is writen in Visual Studio and you need to add a reference to itextsharp.dll to the project.

Doc1.pdf is the source PDF in which I would like to add the stamps.

JD.wmf and DPI.wmf are my images that I use as stamps

Result.pdf is the result pdf with applied stamps.

using iTextSharp.text;

using iTextSharp.text.pdf;

using System;

using System.IO;

namespace ConsoleApplication

{

    class MyCl1

    {

        static Random random1 = new Random();

        public static void Main()

        {

            using (Stream inputPdfStream = new FileStream("e:\\Doc1.pdf", FileMode.Open, FileAccess.Read, FileShare.Read))

            using (Stream inputImageStream = new FileStream("e:\\JD.wmf", FileMode.Open, FileAccess.Read, FileShare.Read))

            using (Stream inputImageStream2 = new FileStream("e:\\DPI.wmf", FileMode.Open, FileAccess.Read, FileShare.Read))

            using (Stream outputPdfStream = new FileStream("e:\\result.pdf", FileMode.Create, FileAccess.Write, FileShare.None))

            {

                var reader = new PdfReader(inputPdfStream);

                var stamper = new PdfStamper(reader, outputPdfStream);

                int numberOfPages = reader.NumberOfPages;

                Image jD = Image.GetInstance(inputImageStream);

                Image dPI = Image.GetInstance(inputImageStream2);

                float fJD, fDPI;

                for (int i = 1; i <= numberOfPages; i++)

                {

                    var pdfContentByte = stamper.GetOverContent(i);

                    fJD = rand1(370,425);

                    fDPI = rand1(15, 50);

                    jD.SetAbsolutePosition(fJD, fDPI);

                    jD.RotationDegrees = rand1(-20,20);

                    dPI.SetAbsolutePosition(fJD, fDPI);

                    dPI.RotationDegrees = rand1(-20, 20);

                    pdfContentByte.AddImage(jD);

                    pdfContentByte.AddImage(dPI);

                }

                stamper.Close();

                System.Diagnostics.Process.Start("e:\\result.pdf");

            }

        }

        public static float rand1(double minNumber, double maxNumber)

        {

            return (float) (random1.NextDouble() * (maxNumber - minNumber) + minNumber);

        }

    }

}