Add Underline Annotation

How to add Underline Annotation in Java

The Underline annotation marks text with a underline styling like shown at the picture below. 

There is an ability to specify the next fields for UnderlineAnnotation type:

• FontColor - color of annotation text;
• Opacity - allows to set annotation opacity;
• Points - annotation positions set by array of points.

Follow these steps to add Underline annotation to document:

• Instantiate Annotator object with input document path or stream;
• Instantiate UnderlineAnnotation object with desired properties (position, page number, etc);
• Call add method and pass UnderlineAnnotation object;
• Call save method with resultant document path or stream.

The following code demonstrates how to add UnderlineAnnotation to the document:

More resources

GitHub Examples

You may easily run the code above and see the feature in action in our GitHub examples:

• GroupDocs.Annotation for .NET examples, plugins, and showcase
• GroupDocs.Annotation for Java examples, plugins, and showcase
• Document Annotation for .NET MVC UI Example
• Document Annotation for .NET App WebForms UI Modern Example
• Document Annotation for Java App Dropwizard UI Modern Example
• Document Annotation for Java Spring UI Example