Enable layered rendering

When rendering into HTML GroupDocs.Viewer renders text and graphics as a single layer that improves performance and reduces HTML document size. To improve content positioning wen rendering multi-layered PDF document GroupDocs.Viewer provides EnableLayeredRendering option that enables rendering of text and graphics according to z-order in original PDF document when rendering into HTML.

Following code sample demonstrates how to enable layered rendering.

            using (Viewer viewer = new Viewer("sample.pdf"))
            {
                HtmlViewOptions viewOptions = HtmlViewOptions.ForEmbeddedResources();
                viewOptions.PdfOptions.EnableLayeredRendering = true;
                
                viewer.View(viewOptions);
            }

More resources

GitHub Examples

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

Free Online App

Along with full-featured .NET 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.