Add text watermark
GroupDocs.Viewer enables you to apply a watermark on the output pages (HTML / Image / PDF).
Here is the recipe:
- Create instance of HtmlViewOptions class (or PngViewOptions, or JpgViewOption, or PdfViewOptions);
- Create a Watermark object and populate its properties;
- Assign Watermark object to setWatermark(…) property of class HtmlViewOptions, PngViewOptions, JpgViewOption or PdfViewOptions;
- Call view(…) method.
The following code sample shows how to apply the watermark to the output pages.
Viewer viewer = new Viewer("sample.docx");
HtmlViewOptions viewOptions = HtmlViewOptions.forEmbeddedResources();
viewOptions.setWatermark(new Watermark("This is a watermark"));
viewer.view(viewOptions);
More resources
GitHub Examples
You may easily run the code above and see the feature in action in our GitHub examples:
- GroupDocs.Viewer for Java examples, plugins, and showcase
- Document Viewer for .NET App WebForms UI Modern Example
- Document Viewer for Java App Dropwizard UI Modern Example
- Document Viewer for Java Spring UI Example
- GroupDocs.Viewer for .NET samples, plugins and showcase
- Document Viewer for .NET MVC UI Example
Free Online App
Along with full-featured Java library we provide simple but powerful free Apps. You are welcome to view Word, PDF, Excel, PowerPoint documents with free to use online GroupDocs Viewer App.