This short tutorial explains how to change image in PDF using Java. It has details to set the IDE, a list of steps, and a sample code showing how to replace image in PDF using Java. All the required API calls are used in the sample code for accessing image content on the target page and replacing it with the new image content.

Steps to Replace Image in PDF using Java

1. Set the environment to use Aspose.PDF for Java for replacing images
2. Define file paths for the input PDF, new image, and output PDF
3. Load the source PDF file into the Document class object and parse through each page in it
4. Access the collection of all the images on each page
5. Parse through each image in the collection
6. Load the new source image into memory and update the contents of the existing image using the replace method
7. Repeat this process for all the images on each page
8. Save the final output PDF file with replaced images

These steps describe how to change image in PDF using Java. Set the IDE, load the license, define paths for input and output files, load the source PDF file, parse through each page in the PDF, and access the collection of images on each individual page. Iterate through all the images on each page, replace the contents of the image, repeat the process for all the pages and respective images, and save the output PDF file.

Code to Edit Image in PDF using Java

This sample code has demonstrated the process to edit image in PDF. You can preserve the original image’s size and position by using the imagePlacement.getRectangle(), which returns the existing image parameters that you can use before replacing the image. Various filters can be applied to select desired pages using the page index, page number or other properties of the page object.

This guide teaches the replacement of existing images in a PDF. To covert a PDF to MP4, refer to the article Convert PDF to MP4 using Java.