---
title: CIBarcodeDescriptor
framework: coreimage
role: symbol
role_heading: Class
path: coreimage/cibarcodedescriptor
---

# CIBarcodeDescriptor

An abstract base class that represents a machine-readable code’s attributes.

## Declaration

```swift
class CIBarcodeDescriptor
```

## Overview

Overview Subclasses encapsulate the formal specification and fields specific to a code type. Each subclass is sufficient to recreate the unique symbol exactly as seen or used with a custom parser.

## Topics

### Initializers

- [init(coder:)](coreimage/cibarcodedescriptor/init(coder:).md)

## Relationships

### Inherits From

- [NSObject](objectivec/nsobject-swift.class.md)

### Inherited By

- [CIAztecCodeDescriptor](coreimage/ciazteccodedescriptor.md)
- [CIDataMatrixCodeDescriptor](coreimage/cidatamatrixcodedescriptor.md)
- [CIPDF417CodeDescriptor](coreimage/cipdf417codedescriptor.md)
- [CIQRCodeDescriptor](coreimage/ciqrcodedescriptor.md)

### Conforms To

- [CVarArg](swift/cvararg.md)
- [CustomDebugStringConvertible](swift/customdebugstringconvertible.md)
- [CustomStringConvertible](swift/customstringconvertible.md)
- [Equatable](swift/equatable.md)
- [Hashable](swift/hashable.md)
- [NSCoding](foundation/nscoding.md)
- [NSCopying](foundation/nscopying.md)
- [NSObjectProtocol](objectivec/nsobjectprotocol.md)
- [NSSecureCoding](foundation/nssecurecoding.md)

## See Also

### Barcode Descriptions

- [CIQRCodeDescriptor](coreimage/ciqrcodedescriptor.md)
- [CIAztecCodeDescriptor](coreimage/ciazteccodedescriptor.md)
- [CIPDF417CodeDescriptor](coreimage/cipdf417codedescriptor.md)
- [CIDataMatrixCodeDescriptor](coreimage/cidatamatrixcodedescriptor.md)