Java text and image watermark APIs

Document watermark creator and remover APIs for Images, PDF and Microsoft Office documents within any Java based application

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Java Watermark API

GroupDocs.Watermark for Java

 
 

GroupDocs.Watermark for Java is a powerful document watermarking API to add, search and remove watermarks in supported file formats. Furthermore, Watermarks added by the API are hard to be automatically removed by third-party tools. While it can be easily used for searching and removing previously added watermarks of popular types. API is a self-descriptive and straight-forward for integrating image and text watermarks within any PDF, Microsoft Office and multiple image document formats.

 

Advanced Watermarking API Features

 

 

Easy integration

 

Multiple supported document formats

 

Adding watermark to images inside a document

 

Text and image watermark types

 

Search and remove Text/Image watermark

 

Working with existing watermark objects

 

Extracting watermark objects information in a document

 

Specify objects for watermark search

 

PDF document rasterization

 

Getting document information

 

Searching watermarks by text formatting (font, color etc)

 

Working with hyperlinks associated with document entities (all formats)

 

Setting background image for charts in Excel and PowerPoint

 

Specify Dynabic.Metered account to run API in licensed mode

Adding Watermarks

API has two watermark types Text or Image. Adding watermarks of any type contains a few lines of code.

Adding image watermark - Java

Document doc = Document.load("sample.docx");
 // Use path to the image as constructor's parameter
ImageWatermark watermark = new ImageWatermark(@"D:\watermark.jpg");
doc.addWatermark(watermark);   // Add watermark to the document
doc.save();   // Save document
watermark.close();
doc.close();

Watermarking in Microsoft Word And Visio Formats

GroupDocs.Watermark for Java API allows adding watermark objects in the header and footer of the pages. Moreover, API can also insert watermarks into a Word document section or images within that section by extracting particular section information firstly. Also, remove a particular shape within a specific section from any level of document structure.

Similarly, watermarks in Visio documents are mostly represented by shapes. API can easily extract information about all or particular Shapes and Headers & Footers. Also, API is able to remove and replace a particular Header&Footer or shape

Watermark in Excel Document

API provides an easy way to add watermark to the worksheets, a particular worksheet or to images within a specific worksheet. Shapes, Backgrounds, Headers and Footers watermark types are supported in Microsoft Excel document.

  • By default, Watermark is added as a Shape. One can extract Information about all shapes in the whole document, add watermark to all image shapes and can remove a particular shape.
  • Similarly, Watermark can also be added as background. Furthermore, it is easy to extract Information about all backgrounds, insert watermark to all backgrounds or clear a particular background.
  • Watermarks within Headers & Footers
    • Extract information about all Headers & Footers
    • Add watermark
    • Add watermark to all images within this section
    • Clear a particular Header & Footer
    • Remove a particular section of Header & Footer

Watermark in PowerPoint

API can add watermark to particular master, layout or notes slides of a PowerPoint presentation in a simplified way. Text or image effects can be applied to shape watermark. With Shape type, API can extract information about all image shapes, remove a specific shape or add watermark to all image shapes. Similarly, using Background type it is easy to extract information about all slides backgrounds, insert watermark to all background images or remove a particular background image.

PDF Watermarks

API supports three types of PDF watermark XObjects, Artifacts and Annotations and is able to add watermark using any of these three methods. Moreover, API can also extract information about all XObjects, Annotations, and Artifacts in a PDF document. Removing PDF watermark is easy with third-party tools but with the use of PDF document rasterization API feature, it is impossible to remove it.

 

Support and Learning Resources

 

GroupDocs.Watermark offers document watermarking APIs for other popular development environments as listed below: