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# CIPDF417CodeDescriptor

A concrete subclass of Core Image Barcode Descriptor that represents a PDF417 symbol.

```
class CIPDF417CodeDescriptor
```

## Overview

PDF417 is a stacked linear barcode symbol format used predominantly in transport, ID cards,
and inventory management. Each pattern in the code comprises 4 bars and spaces, 17 units long.

Refer to the ISO/IEC 15438:2006(E) for the PDF417 symbol specification.

## Topics

### Creating a Descriptor

[`init(payload:isCompact:rowCount:columnCount:)`](/documentation/CoreImage/CIPDF417CodeDescriptor/init(payload:isCompact:rowCount:columnCount:))

Initializes an PDF417 code descriptor for the given payload and parameters.

[`descriptorWithPayload:isCompact:rowCount:columnCount:`](/documentation/CoreImage/CIPDF417CodeDescriptor/descriptorWithPayload:isCompact:rowCount:columnCount:)

Creates an PDF417 code descriptor for the given payload and parameters.

### Examining a Descriptor

[`errorCorrectedPayload`](/documentation/CoreImage/CIPDF417CodeDescriptor/errorCorrectedPayload-swift.property)

The error-corrected payload containing the data encoded in the PDF417 code symbol.

[`isCompact`](/documentation/CoreImage/CIPDF417CodeDescriptor/isCompact-swift.property)

A boolean value telling if the PDF417 code is compact.

[`rowCount`](/documentation/CoreImage/CIPDF417CodeDescriptor/rowCount-swift.property)

The number of rows in the PDF417 code symbol.

[`columnCount`](/documentation/CoreImage/CIPDF417CodeDescriptor/columnCount-swift.property)

The number of columns in the PDF417 code symbol.


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