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Adding Watermark via Java
How to add watermark to PDF using Java
Add Watermark with Java Library
Add Watermark to PDF File, we’ll use Aspose.PDF for Java API, which is a feature-rich, powerful, and easy-to-use conversion API for the 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 API</name>
<url>https://repository.aspose.com/repo/</url>
</repository>
Dependency
<dependency>
<groupId>com.aspose</groupId>
<artifactId>aspose-pdf</artifactId>
<version>version of aspose-pdf API</version>
<classifier>jdk17</classifier>
</dependency>
Add Watermark using Java
You need Aspose.PDF for Java to try the code in your environment.
- Load the PDF with an instance of Document.
- Create an instance of WatermarkArtifact.
- Set properties of WatermarkArtifact object.
- Add watermark using method Add of Aspose.Pdf.Page.Artifacts collection class.
- Save PDF file
System Requirements
Just make sure that you have the following prerequisites.
- Microsoft Windows or a compatible OS with Java Runtime Environment for JSP/JSF Application and Desktop Applications.
- Development environment like Eclipse or IntelliJ IDEA.
- Aspose.PDF for Java library referenced in your project.
Add Watermark in PDF - Java.
// Open document
Document doc = new Document(_dataDir + "text.pdf");
FormattedText formattedText = new FormattedText("Watermark", java.awt.Color.BLUE,FontStyle.Courier, EncodingType.Identity_h, true, 72.0F);
WatermarkArtifact artifact = new WatermarkArtifact();
artifact.setText(formattedText);
artifact.setArtifactHorizontalAlignment (HorizontalAlignment.Center);
artifact.setArtifactVerticalAlignment (VerticalAlignment.Center);
artifact.setRotation (45);
artifact.setOpacity (0.5);
artifact.setBackground (true);
doc.getPages().get_Item(1).getArtifacts().add(artifact);
doc.save(_dataDir + "watermark.pdf");
