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Source code example to generate a thumbnail from an image.
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Source code example to generate a thumbnail from an image. In our software projects many times, we need to generate image thumbnails. For example, If a user is uploading an image to your web application and displays it on UI. Generally, we show such images in small sizes compared to the actual image size. It's always a better idea to generate a thumbnail to show on UI and when the user clicks on the thumbnail image we should show full-size images only when needed. This saves bandwidth and makes the application load faster.
This sample source code provides an example to create a thumbnail from a full sized image. Typical use in web application The user uploads an image to the application Make the image available as a stream The given code converts the original image to a thumbnail and returns it as a stream. Store the thumbnail image along with the original image for display purposes.
Console app and sample code in C# class.
- [![C#][C Sharp Dotnet 6]][https://dotnet.microsoft.com/en-us/download/dotnet/6.0]
This is an example of how you may give instructions on setting up your project locally. To get a local copy up and running follow these simple example steps.
This is an example of how to list things you need to use the software and how to install them.
- Dotnet 6
- Works on Linux as well as windows.
- Understand the code and use in your project as fit.
static void GenerateThumbnailFromFile(string InputImageFile, string OutputThumbnailImageFile)
{
// Open source file as file stream.
using FileStream inputFileStream = new(InputImageFile, FileMode.Open);
// Call image thumbnail generator to generate thumnail
using (var thumbnailMemStream = ImageThumbnailGenerator.GenerateThumbnail(inputFileStream, 200, 200))
{
var outputFileStream = new FileStream(OutputThumbnailImageFile, FileMode.Create, FileAccess.Write);
thumbnailMemStream.CopyTo(outputFileStream);
outputFileStream.Dispose();
thumbnailMemStream.Dispose();
}
// Close open streams.
inputFileStream.Dispose();
}
Contributions are what make the open source community such an amazing place to learn, inspire, and create. Any contributions you make are greatly appreciated.
If you have a suggestion that would make this better, please fork the repo and create a pull request. You can also simply open an issue with the tag "enhancement". Don't forget to give the project a star! Thanks again!
- Fork the Project
- Create your Feature Branch (
git checkout -b feature/AmazingFeature) - Commit your Changes (
git commit -m 'Add some AmazingFeature') - Push to the Branch (
git push origin feature/AmazingFeature) - Open a Pull Request
Distributed under the GPL License. See LICENSE.txt for more information.
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Project Link: https://github.com/IncubXperts/image_thumbnail_csharp