Extract XObject Information from PDF

Introduction

GroupDocs.Watermark for .NET is a powerful document watermarking API designed to manipulate watermarks in various document formats such as PDF, Word, Excel, PowerPoint, and images. It provides developers with a straightforward approach to add, remove, search, and replace watermarks in documents programmatically. Whether you need to add a company logo, copyright notice, or confidential stamp to your documents, GroupDocs.Watermark simplifies the process with its intuitive API.

Prerequisites

Before diving into GroupDocs.Watermark for .NET, ensure you have the following prerequisites in place:

  1. Installation: Download and install GroupDocs.Watermark for .NET from the download page.
  2. Development Environment: Have Visual Studio or any other .NET IDE installed on your system.
  3. .NET Framework: Make sure you have the required .NET Framework installed on your development machine.

Importing Namespaces

To start using GroupDocs.Watermark for .NET in your project, you need to import the necessary namespaces. In your .NET project, add a tutorials to GroupDocs.Watermark.dll.

using GroupDocs.Watermark.Contents.Pdf;
using GroupDocs.Watermark.Options.Pdf;
using System;
using System.IO;

Step 1: Load the Document

string documentPath = "Your Document Path";
string outputDirectory = "Your Document Directory";
string outputFileName = Path.Combine(outputDirectory, Path.GetFileName(documentPath));
var loadOptions = new PdfLoadOptions();
using (Watermarker watermarker = new Watermarker(documentPath, loadOptions))

Step 2: Access PDF Content

PdfContent pdfContent = watermarker.GetContent<PdfContent>();

Step 3: Iterate Through Pages

foreach (PdfPage page in pdfContent.Pages)

Step 4: Access XObjects

foreach (PdfXObject xObject in page.XObjects)

Step 5: Extract Information

if (xObject.Image != null)
{
    Console.WriteLine(xObject.Image.Width);
    Console.WriteLine(xObject.Image.Height);
    Console.WriteLine(xObject.Image.GetBytes().Length);
}
Console.WriteLine(xObject.Text);
Console.WriteLine(xObject.X);
Console.WriteLine(xObject.Y);
Console.WriteLine(xObject.Width);
Console.WriteLine(xObject.Height);
Console.WriteLine(xObject.RotateAngle);

Conclusion

GroupDocs.Watermark for .NET empowers developers to manage document watermarks seamlessly in their .NET applications. With its intuitive API and robust features, it’s the go-to solution for any watermarking needs. By following the steps outlined in this guide, you can harness the full potential of GroupDocs.Watermark and enhance your document management workflows.

FAQ’s

Is GroupDocs.Watermark compatible with all .NET frameworks?

Yes, GroupDocs.Watermark supports a wide range of .NET frameworks, including .NET Core and .NET Framework.

Can I apply multiple watermarks to a single document using GroupDocs.Watermark?

Absolutely! GroupDocs.Watermark allows you to add multiple watermarks of different types to a single document.

Does GroupDocs.Watermark provide support for document encryption?

Yes, GroupDocs.Watermark offers encryption capabilities to secure your documents against unauthorized access.

Is there a trial version available for GroupDocs.Watermark?

Yes, you can access the free trial version of GroupDocs.Watermark from the download page.

Where can I find additional support and resources for GroupDocs.Watermark?

You can explore the GroupDocs.Watermark documentation, join the community forum, or reach out to the support team for assistance.