Convert XPS to JPEG in Java

Introduction

In this tutorial, we’ll explore how to convert XPS (XML Paper Specification) files to JPEG images using Aspose.Page for Java. Aspose.Page is a powerful Java library that allows developers to work with XPS and other document formats seamlessly. This step-by-step guide will help you understand the process and implement it in your Java applications.

Prerequisites

Before we dive into the tutorial, make sure you have the following prerequisites in place:

• Java Development Environment: Ensure you have a Java development environment set up on your machine.
• Aspose.Page for Java Library: Download and install the Aspose.Page for Java library. You can find the library here.
• Sample XPS Document: Have a sample XPS document that you want to convert to JPEG.

Import Packages

Begin by importing the necessary packages into your Java class:

import com.aspose.xps.XpsDocument;
import java.io.FileOutputStream;

Step 1: Initialize Paths and XPS Document

// The path to the documents directory.
String dataDir = "Your Document Directory";
// Initialize XPS input stream
XpsDocument document = new XpsDocument(dataDir + "input.xps");

Step 2: Set JpegSaveOptions

// Initialize options object with necessary parameters.
JpegSaveOptions options = new JpegSaveOptions();
options.setSmoothingMode(SmoothingMode.HighQuality);
options.setResolution(300);
options.setPageNumbers(new int[] { 1, 2, 6 });

Step 3: Create Rendering Device

// Create rendering device for PDF format
ImageDevice device = new ImageDevice();

Step 4: Save XPS as JPEG

document.save(device, options);

Step 5: Iterate and Save JPEG Pages

// Iterate through document partitions (fixed documents, in XPS terms)
for (int i = 0; i < device.getResult().length; i++) {
    // Iterate through partition pages
    for (int j = 0; j < device.getResult()[i].length; j++) {
        // Initialize image output stream
        FileOutputStream imageStream = new FileOutputStream(dataDir + "XPStoJPEG" + "_" + (i + 1) + "_" + (j + 1) + ".jpeg");
        // Write image
        imageStream.write(device.getResult()[i][j], 0, device.getResult()[i][j].length);
        //close the stream
        imageStream.close();
    }
}

This series of steps will effectively convert your XPS document to JPEG images, each saved separately.

Conclusion

Congratulations! You have successfully learned how to convert XPS to JPEG in Java using Aspose.Page. This process is invaluable for developers working with document conversion in Java applications.

Frequently Asked Questions

Q: Is Aspose.Page suitable for commercial projects?

A: Yes, Aspose.Page is a commercial product with licensing options available. Check here for details.

Q: Can I try Aspose.Page before purchasing?

A: Yes, you can obtain a free trial here.

Q: Where can I find Aspose.Page documentation?

A: The documentation is available here.

Q: How can I get support for Aspose.Page?

A: Visit the Aspose.Page Forum for community-based support.

Q: Do I need a temporary license for testing?

A: Yes, you can get a temporary license here.