Add background to PDF with C#

Background images can be used to add a watermark, or other subtle design, to documents. In Aspose.PDF for .NET, each PDF document is a collection of pages and each page contains a collection of artifacts. The BackgroundArtifact class can be used to add a background image to a page object.

The following code snippet also work with Aspose.PDF.Drawing library.

The following code snippet shows how to add a background image to PDF pages using the BackgroundArtifact object with C#.

// For complete examples and data files, please go to https://github.com/aspose-pdf/Aspose.PDF-for-.NET
// The path to the documents directory.
string dataDir = RunExamples.GetDataDir_AsposePdf_Pages();

// Create a new Document object
Document doc = new Document();

// Add a new page to document object
Page page = doc.Pages.Add();

// Create Background Artifact object
BackgroundArtifact background = new BackgroundArtifact();

// Specify the image for backgroundartifact object
background.BackgroundImage = File.OpenRead(dataDir + "aspose-total-for-net.jpg");

// Add backgroundartifact to artifacts collection of page
page.Artifacts.Add(background);

dataDir = dataDir + "ImageAsBackground_out.pdf";
// Save the document
doc.Save(dataDir);