Superimposing content from one PDF into another PDF
Example written in answer to the question Click How to superimpose pages from existing documents into another document?
superimpose
JAVA
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.stamper;
import com.itextpdf.kernel.pdf.PdfDocument;
import com.itextpdf.kernel.pdf.PdfReader;
import com.itextpdf.kernel.pdf.PdfWriter;
import com.itextpdf.kernel.pdf.canvas.PdfCanvas;
import com.itextpdf.kernel.pdf.xobject.PdfFormXObject;
import java.io.File;
public class SuperImpose {
public static final String DEST = "./target/sandbox/stamper/super_impose.pdf";
public static final String[] EXTRA = {
"./src/main/resources/pdfs/hello.pdf",
"./src/main/resources/pdfs/base_url.pdf",
"./src/main/resources/pdfs/state.pdf"
};
public static final String SRC = "./src/main/resources/pdfs/primes.pdf";
public static void main(String[] args) throws Exception {
File file = new File(DEST);
file.getParentFile().mkdirs();
new SuperImpose().manipulatePdf(DEST);
}
protected void manipulatePdf(String dest) throws Exception {
PdfDocument pdfDoc = new PdfDocument(new PdfReader(SRC), new PdfWriter(dest));
PdfCanvas canvas = new PdfCanvas(pdfDoc.getFirstPage().newContentStreamBefore(),
pdfDoc.getFirstPage().getResources(), pdfDoc);
for (String path : EXTRA) {
PdfDocument srcDoc = new PdfDocument(new PdfReader(path));
PdfFormXObject page = srcDoc.getFirstPage().copyAsFormXObject(pdfDoc);
canvas.addXObjectAt(page, 0, 0);
srcDoc.close();
}
pdfDoc.close();
}
}
C#
C#
using System;
using System.IO;
using iText.Kernel.Pdf;
using iText.Kernel.Pdf.Canvas;
using iText.Kernel.Pdf.Xobject;
namespace iText.Samples.Sandbox.Stamper
{
public class SuperImpose
{
public static readonly String DEST = "results/sandbox/stamper/super_impose.pdf";
public static readonly String SRC = "../../../resources/pdfs/primes.pdf";
public static readonly String[] EXTRA =
{ "../../../resources/pdfs/hello.pdf",
"../../../resources/pdfs/base_url.pdf",
"../../../resources/pdfs/state.pdf"
};
public static void Main(String[] args)
{
FileInfo file = new FileInfo(DEST);
file.Directory.Create();
new SuperImpose().ManipulatePdf(DEST);
}
protected void ManipulatePdf(String dest)
{
PdfDocument pdfDoc = new PdfDocument(new PdfReader(SRC), new PdfWriter(dest));
PdfCanvas canvas = new PdfCanvas(pdfDoc.GetFirstPage().NewContentStreamBefore(),
pdfDoc.GetFirstPage().GetResources(), pdfDoc);
foreach (String path in EXTRA)
{
PdfDocument srcDoc = new PdfDocument(new PdfReader(path));
PdfFormXObject page = srcDoc.GetFirstPage().CopyAsFormXObject(pdfDoc);
canvas.AddXObjectAt(page, 0, 0);
srcDoc.Close();
}
pdfDoc.Close();
}
}
}