---
title: CIAreaAverageMaximumRed
framework: coreimage
role: symbol
role_heading: Protocol
path: coreimage/ciareaaveragemaximumred
---

# CIAreaAverageMaximumRed

The protocol for the Area Average and Maximum Red filter.

## Declaration

```swift
protocol CIAreaAverageMaximumRed : CIAreaReductionFilter
```

## Overview

Overview Calculates the average and maximum red component value for the specified area in an image. The result is returned in the red and green channels of a one pixel image.

## Relationships

### Inherits From

- [CIAreaReductionFilter](coreimage/ciareareductionfilter.md)
- [CIFilterProtocol](coreimage/cifilterprotocol.md)