Watermarks can be used to protect the content and claim ownership of your documents. Similarly, these can also be used for branding or labelling your documents as drafts. This article discusses how to add watermarks to the password-protected files in Java. We will add text, as well as image watermarks to the protected files using code examples.
The following topics are discussed here:
Java API to Watermark Password Protected Files Add Watermark to Protected Files using Java Insert Text Watermark Insert Image Watermark Java API to Watermark Password Protected Files GroupDocs.