PDF is a stable file format, and it is difficult for us to duplicate a PDF page by simply copying and pasting. This article will introduce how I duplicate a page within a PDF document using a free Java library (Free Spire.PDF for Java).
Import jar dependency (2 Methods)
● Download the free library and unzip it. Then add the Spire.Pdf.jar file to your project as dependency.
● Directly add the jar dependency to maven project by adding the following configurations to the pom.xml.
<repositories> <repository> <id>com.e-iceblue</id> <name>e-iceblue</name> <url>http://repo.e-iceblue.com/nexus/content/groups/public/</url> </repository> </repositories> <dependencies> <dependency> <groupId>e-iceblue</groupId> <artifactId>spire.pdf.free</artifactId> <version>4.3.0</version> </dependency> </dependencies> Relevant Code
import com.spire.pdf.PdfDocument; import com.spire.pdf.PdfPageBase; import com.spire.pdf.graphics.PdfMargins; import com.spire.pdf.graphics.PdfTemplate; import java.awt.geom.Dimension2D; import java.awt.geom.Point2D; public class DuplicatePage { public static void main(String[] args) { //Load a sample PDF document PdfDocument pdf = new PdfDocument("C:\\Users\\Administrator\\Desktop\\The Scarlet Letter.pdf"); //Get the first page PdfPageBase page = pdf.getPages().get(0); //Get the page size Dimension2D size = page.getActualSize(); //Create a template based on the page PdfTemplate template = page.createTemplate(); for (int i = 0; i < 5; i++) { //Add a new page to the document page = pdf.getPages().add(size, new PdfMargins(0)); //Draw template on the new page page.getCanvas().drawTemplate(template, new Point2D.Float(0, 0)); } //Save the file pdf.saveToFile("output/DuplicatePage.pdf"); } } Output
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