Add, replace, delete Java PDF images

(1) Overview

This article will show you how to add, remove, and replace images in PDF documents in Java.

Use of tools:

--Free Spire.PDF for JAVA 2.4.4 (free version)

• Intellij IDEA

Import Jar file package:

** Method 1: ** First, after getting Free Spire.PDF for JAVA from Official Site Decompress. Here are three easy ways to open Project Structure in IDEA.

After that, follow the procedure below. (1) Select "Modules"-"Dependencies" and add the external jar package. (2) Enter the "Attach File or Directores" screen, select the path of the jar file, and click "OK". As shown in the following figure:

** Method 2: ** Place the jar package using Maven. You can refer to Installation Method. I will.

Test documentation:

(2) JAVA code example

1. Add images to PDF

import com.spire.pdf.*;
import com.spire.pdf.graphics.*;

public class drawImage {
    public static void main(String[] args) {
	//create the PDF
        PdfDocument doc = new PdfDocument();
	//Load the PDF sample file
        doc.loadFromFile("data/Sample.pdf");
        //Get the first page
        PdfPageBase page = doc.getPages().get(0);
        drawImageMethod(page);
        //Save the file
        doc.saveToFile("output/drawImage.pdf");
        doc.close();
    }
    private static void drawImageMethod(PdfPageBase page) {
        //Add the image
        PdfImage image = PdfImage.fromFile("data/1.png ");
        float width = image.getWidth() * 0.3f;
        float height = image.getHeight() * 0.3f;
      //Get the location of image
        page.getCanvas().drawImage(image, 420,100, width, height);
    }
}

Add result:

2. Replace the image in the PDF

import com.spire.pdf.PdfDocument;
import com.spire.pdf.PdfPageBase;
import com.spire.pdf.graphics.PdfImage;

import java.io.IOException;

public class ReplaceImage {
    public static void main(String[] args) throws IOException {
	//Create the PDF
        PdfDocument pdf = new PdfDocument();
	//Load the PDF sample file
        pdf.loadFromFile("data/Sample.pdf");
        //Get the first page
        PdfPageBase page = pdf.getPages().get(0);
        //Load the image
        PdfImage image = PdfImage.fromFile("data/1.png ");
        //Replace the first image of the first page
        page.replaceImage(0, image);
        //Save the file
        pdf.saveToFile("ImageReplace.pdf");
    }
}

Replacement result:

3. Delete the PDF image

import com.spire.pdf.*;
public class deleteImage {
    public static void main(String[] args) {
	//Create the PDF
        PdfDocument doc = new PdfDocument();
	//Load the PDF sample file
        doc.loadFromFile("data/Sample.pdf");
        //Get the first page
        PdfPageBase page = doc.getPages().get(0);
        //Delete the first page of the first page
        page.deleteImage(0);
        doc.saveToFile("output/ImageDelete.pdf");
        doc.close();
    }
}

Delete result: (End of text)