Stamps in PDF using Java

Stamping PDF documents with Java. Use Aspose.PDF to modify PDF documents programmatically

How to add Stamps to PDF using Java Library

In order to add text stamp into PDF, we’ll use Aspose.PDF for Java API which is a feature-rich, powerful and easy to use conversion API for Java platform. You can download its latest version directly from Maven and install it within your Maven-based project by adding the following configurations to the pom.xml.

Repository

<repository>
    <id>AsposeJavaAPI</id>
    <name>Aspose Java AP</name>
    <url>https://releases.aspose.com/java/repo/</url>
</repository>

Dependency

<dependency>
<groupId>com.aspose</groupId>
<artifactId>aspose-pdf</artifactId>
<version>version of aspose-pdf API</version>
</dependency>

Add Stamp to PDF Document Java


You need Aspose.PDF for Java to try the code in your environment.

  1. Load the PDF with an instance of Document.
  2. Get DocumentInfo using Document.Info property.
  3. Access & display different Document.Info properties.

Add Stamp to PDF - Java


// Open document
Document pdfDocument = new Document(DATA_DIR.resolve("AddTextStamp.pdf").toString());
// Create text stamp
TextStamp textStamp = new TextStamp("Sample Stamp");
// Set whether stamp is background
textStamp.setBackground(true);
// Set origin
textStamp.setXIndent(100);
textStamp.setYIndent(100);
// Rotate stamp
textStamp.setRotate(Rotation.on90);
// Set text properties
textStamp.getTextState().setFont(FontRepository.findFont("Arial"));
textStamp.getTextState().setFontSize(14.0F);
textStamp.getTextState().setFontStyle(FontStyles.Bold | FontStyles.Italic);
textStamp.getTextState().setForegroundColor(Color.getAqua());
// Add stamp to particular page
pdfDocument.getPages().get_Item(1).addStamp(textStamp);
// Save output document
pdfDocument.save(DATA_DIR.resolve("AddTextStamp_out.pdf").toString());
pdfDocument.close();