Contents

CIQRCodeDescriptor

A concrete subclass of the Core Image Barcode Descriptor that represents a square QR code symbol.

Declaration

class CIQRCodeDescriptor

Overview

ISO/IEC 18004 defines versions from 1 to 40, where a higher symbol version indicates a larger data-carrying capacity. QR Codes can encode text, vCard contact information, or Uniform Resource Identifiers (URI).

Topics

Creating a Descriptor

Examining a Descriptor

Error Correction Constants

See Also

Barcode Descriptions