Exclude Fonts from Rendered HTML

Introduction

GroupDocs.Viewer for .NET is a powerful document rendering library that allows developers to display over 50 document formats in their .NET applications without the need for external dependencies. In this tutorial, we’ll focus on a specific feature of GroupDocs.Viewer: excluding fonts from rendered HTML output.

Prerequisites

Before you begin, ensure you have the following:

  1. Basic understanding of C# and .NET development.
  2. GroupDocs.Viewer for .NET installed. You can download it from here.
  3. Visual Studio or any other IDE for C# development.

Import Namespaces

In your C# code, make sure to include the necessary namespaces:

using System;
using System.IO;
using GroupDocs.Viewer.Options;

Step 1: Define Output Directory

Set up the directory where you want the rendered HTML files to be saved.

string outputDirectory = "Your Document Directory";

Step 2: Define Page File Path Format

Specify the format for the file paths of individual pages of the rendered document.

string pageFilePathFormat = Path.Combine(outputDirectory, "page_{0}.html");

Step 3: Initialize Viewer Object

Instantiate the Viewer object with the document you want to render.

using (Viewer viewer = new Viewer("YourDocumentPath"))
{
    // Your code goes here
}

Step 4: Set HTML View Options

Define the options for HTML rendering, including the format of embedded resources and fonts to exclude.

HtmlViewOptions options = HtmlViewOptions.ForEmbeddedResources(pageFilePathFormat);
options.FontsToExclude.Add("Arial");

Step 5: Render Document

Pass the HTML view options to the Viewer object to render the document.

viewer.View(options);

Step 6: Output Rendered Document Location

Inform the user about the location where the rendered HTML files are saved.

Console.WriteLine($"\nSource document rendered successfully.\nCheck output in {outputDirectory}.");

Conclusion

In this tutorial, we’ve learned how to use GroupDocs.Viewer for .NET to exclude fonts from rendered HTML output. By following the steps outlined above, you can customize the rendering process to meet your specific requirements, ensuring optimal display of documents in your applications.

FAQ’s

Can I exclude multiple fonts from the rendered HTML?

Yes, you can add multiple font names to the FontsToExclude list in the HTML view options.

Is GroupDocs.Viewer compatible with all .NET frameworks?

Yes, GroupDocs.Viewer supports .NET Framework 4.6.1 and higher.

Can I render documents from remote storage locations?

Yes, GroupDocs.Viewer supports rendering documents from local storage as well as remote storage locations and streams.

Does GroupDocs.Viewer support responsive design for HTML output?

Yes, you can enable responsive rendering by adjusting the HTML view options accordingly.

Is technical support available for GroupDocs.Viewer?

Yes, you can seek assistance and participate in discussions on the GroupDocs.Viewer forum.

Minify Rendered HTML Document