---
title: "Jpeg2kReader Class"
canonical: https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_Codecs_Jpeg2kReader.htm
product: "Graphics Mill 5.5 for .NET"
---

This documentation is for the old version. [Go to the latest Graphics Mill docs](https://www.graphicsmill.com/docs/gm/)

# Jpeg2kReader Class
 
This class enables you to read JPEG2000 images.
 
**Namespace:** [Aurigma.GraphicsMill.Codecs](https://www.graphicsmill.com/docs/gm5/N_Aurigma_GraphicsMill_Codecs.htm.md)
 **Assembly:** Aurigma.GraphicsMill (in Aurigma.GraphicsMill.dll)
 
## Syntax
  
```
Public NotInheritable Class Jpeg2kReader _Inherits FormatReader
```
 
```csharp
public sealed class Jpeg2kReader : FormatReader
```
 
## Remarks
  
JPEG2000 is an image format which implements wavelet-based compression algorithm. This algorithm provides high compression ratio with better quality than JPEG. This compression is also lossy, however JPEG2000 artifacts are looking visually better comparing to JPEG.
 
Graphics Mill for .NET can save bitmaps to JPEG2000 format in two color spaces:
 
- RGB;
- Grayscale;

These bitmaps can be both extended (16 bit per channel) and non-extended (8 bit per channel). Also, these bitmaps may contain an alpha channel.
 
## Inheritance Hierarchy
  
- [System.Object](http://msdn2.microsoft.com/en-us/e5kfa45b)
    - [Aurigma.GraphicsMill.SyncHandler](https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_SyncHandler.htm.md)
        - [Aurigma.GraphicsMill.Codecs.FormatReader](https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_Codecs_FormatReader.htm.md)
            - Aurigma.GraphicsMill.Codecs.Jpeg2kReader
 
## Thread Safety
 Static members of this type are safe for multi-threaded operations. Instance members of this type are safe for multi-threaded operations.
 
## Object Model

[![](https://www.graphicsmill.com/docs/gm5/Aurigma.GraphicsMill_ObjectModel_169.png)](https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_Codecs_Jpeg2kReader.htm.md)
![](https://www.graphicsmill.com/docs/gm5/ObjectModel1.png)[![](https://www.graphicsmill.com/docs/gm5/Aurigma.GraphicsMill_ObjectModel_95.png)](https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_Codecs_IFrame.htm.md)
  
## See Also

### Reference

- [Jpeg2kReader Members](https://www.graphicsmill.com/docs/gm5/AllMembers_T_Aurigma_GraphicsMill_Codecs_Jpeg2kReader.htm.md)
- [Aurigma.GraphicsMill.Codecs Namespace](https://www.graphicsmill.com/docs/gm5/N_Aurigma_GraphicsMill_Codecs.htm.md)