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Grayscale DJVU via C# Cloud API

Grayscale DJVU using native .NET Cloud APIs without needing any image editor or 3rd-party libraries.

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How to Grayscale DJVU Using C# Cloud API

In order to process images, we’ll use Aspose.Imaging.Cloud for .NET API which is a feature-rich, powerful and easy to use image manipulation and conversion API for C# platform. Open NuGet package manager, search for Aspose.Imaging-Cloud and install. You may also use the following command from the Package Manager Console.

Package Manager Console Command


PM> Install-Package Aspose.Imaging-Cloud

Steps to Grayscale DJVU via C# Cloud API

Developers can easily load & grayscale DJVU files in just a few lines of code.

  • Load DJVU file as stream
  • Create & set the instance of CreateGrayscaledImageRequest
  • Call the CreateGrayscaledImage method
  • Get grayscaled image from response stream

System Requirements

Aspose.Imaging Cloud for .NET is supported on all major operating systems. Just make sure that you have the following prerequisites.

  • Microsoft Windows or a compatible OS with .NET Framework, .NET Core, Windows Application, ASP.NET Web Application.
  • Development environment like Microsoft Visual Studio.
  • Aspose.Imaging Cloud for .NET referenced in your project.
 

Grayscale DJVU - Cloud

 

About Aspose.Imaging Cloud API for .NET

Aspose.Imaging Cloud API is an image processing solution to process images (photos) within your cloud or web applications. It offers: cross-platform Image processing, including but not limited to conversions between various image formats (including uniform multi-page or multi-frame image processing), transformations (resize, crop, flip&rotate, grayscale, adjust), advanced image manipulation features (filtering, deskewing), AI features (i.e. object detection and reverse image search). It’s a Cloud API and does not depend on any software for image operations. One can easily add high-performance image conversion features with Cloud APIs within projects. Flexible integrations options including SDKs for various languages (Python, Ruby, .NET, Java, NodeJS, PHP) and the use of the REST API allow to make the integration easy.

Grayscale DJVUs via Online App

Grayscale DJVU documents by visiting our Live Demos website. The live demo has the following benefits:

  No need to download or setup anything
  No need to write any code
  Just upload your DJVU file, select Grayscale item and hit "Get result" button
  Instantly get the download link for the resultant file

DJVU What is DJVU File Format

DjVu, pronounced as “déjà vu”, is a graphics file format intended for scanned documents and books especially those which contain the combination of text, drawings, images and photographs. It was developed by AT&T Labs. It uses multiple techniques like image layer separation of text and background images, progressive loading, arithmetic coding and lossy compression for bitonal images. Since DJVU file can contain compressed yet high-quality colour images, photographs, text, and drawings and can be saved in less space therefore, it's used on web as eBooks, manuals, newspapers, ancient documents, etc.

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Other Supported Conversions

Using C# Cloud API, one can easily grayscale different formats including:

BMP (Bitmap Picture)
GIF (Graphical Interchange Format)
JPEG (Joint Photographic Experts Group)
JPEG2000 (JPEG 2000)
PNG (Portable Network Graphics)
PSD (Photoshop Document)
TIFF (Tagged Image Format)
WEBP (Raster Web Image)
DICOM (Digital Imaging & Communications)
DNG (Digital Camera Image)
WMF (Microsoft Windows Metafile)
EMF (Enhanced Metafile Format)
APNG (Animated Portable Network Graphics)
TGA (Targa Graphic)