Class

CIAztecCodeDescriptor

A concrete subclass of CIBarcodeDescriptor that represents an Aztec code symbol.

Declaration

@interface CIAztecCodeDescriptor : CIBarcodeDescriptor

Overview

Aztec code is a format of 2D barcode published as ISO/IEC 24778:2008 standard. It encodes data in concentric square rings around a central bullseye pattern.

Topics

Creating a Descriptor

- initWithPayload:isCompact:layerCount:dataCodewordCount:

Initializes a descriptor that can be used as input to the CIBarcodeGenerator filter.

+ descriptorWithPayload:isCompact:layerCount:dataCodewordCount:

Creates an Aztec code descriptor encoding the given payload and parameters.

Examining a Descriptor

errorCorrectedPayload

The error-corrected payload containing the data encoded in the Aztec code.

isCompact

A Boolean value telling if the Aztec code is compact.

layerCount

The number of layers embedded in the Aztec code.

dataCodewordCount

The number of data codewords in the Aztec code.

Relationships

Inherits From

See Also

Barcode Descriptions

CIBarcodeDescriptor

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

CIQRCodeDescriptor

A concrete subclass of CIBarcodeDescriptor that represents a square QR code symbol.

CIPDF417CodeDescriptor

A concrete subclass of CIBarcodeDescriptor that represents a PDF 417 symbol.

CIDataMatrixCodeDescriptor

A concrete subclass of CIBarcodeDescriptor that represents a Data Matrix code symbol.