Convert PowerPoint to Image in Linux

13 Oct 20233 minutes to read

Syncfusion PowerPoint is a .NET Core PowerPoint library used to create, read, edit and convert PowerPoint presentation programmatically without Microsoft PowerPoint or interop dependencies. Using this library, you can convert a PowerPoint to image in .NET Core application on Linux.

Steps to convert PowerPoint to Image in .NET Core application on Linux

Step 1: Execute the following command in Linux terminal to create a new .NET Core Console application.

dotnet new console

Create .NET Core console application on Linux

Step 2: Install the following Nuget packages in your application from Nuget.org by execute the following command.

dotnet add package Syncfusion.PresentationRenderer.Net.Core -v 22.1.38 -s https://www.nuget.org/
dotnet add package SkiaSharp.NativeAssets.Linux -v 2.88.6 -s https://www.nuget.org/
dotnet add package HarfBuzzSharp.NativeAssets.Linux -v 7.3.0 -s https://www.nuget.org/

NOTE

Starting with v16.2.0.x, if you reference Syncfusion assemblies from trial setup or from the NuGet feed, you also have to add “Syncfusion.Licensing” assembly reference and include a license key in your projects. Please refer to this link to know about registering Syncfusion license key in your applications to use our components.

Step 3: Add the following Namespaces in Program.cs file.

using Syncfusion.Presentation;
using Syncfusion.PresentationRenderer;

Step 4: Add the following code snippet in Program.cs file.

//Open the file as Stream.
 using (FileStream fileStreamInput = new FileStream("Data/Input.pptx", FileMode.Open, FileAccess.Read))
 {
     //Open the existing PowerPoint presentation with loaded stream.
     using (IPresentation pptxDoc = Presentation.Open(fileStreamInput))
     {
         //Initialize the PresentationRenderer to perform image conversion.
         pptxDoc.PresentationRenderer = new PresentationRenderer();
         //Convert PowerPoint slide to image as stream.
         using (Stream stream = pptxDoc.Slides[0].ConvertToImage(ExportImageFormat.Jpeg))
         {
             //Reset the stream position.
             stream.Position = 0;
             //Create FileStream to save the image file.
             using (FileStream outputStream = new FileStream("PPTXtoImage.Jpeg", FileMode.Create, FileAccess.ReadWrite, FileShare.ReadWrite))
             {
                 //Save the image file.
                 stream.CopyTo(outputStream);
             }
         }
     }
 }

Step 5: Execute the following command to restore the NuGet packages.

dotnet restore

Restore the NuGet packages

Step 6: Execute the following command in terminal to run the application.

dotnet run

Run the Applcation

You can download a complete working sample from GitHub.

By executing the program, you will get the image as follows. The output will be saved in bin foleder.

PowerPoint to Image in Linux

Click here to explore the rich set of Syncfusion PowerPoint Library (Presentation) features.

An online sample link to convert PowerPoint Presentation to image in ASP.NET Core.