A tool to calculate the color ratio of UIImage in iOS.

Last update: Jan 1, 2023

Overview

UIImageColorRatio

A tool to calculate the color ratio of UIImage in iOS.

How to use UIImageColorRatio

Get the color ratio of UIImage.

let image = ...  // your UIImage.
let result = image.calculateColorRatio(deviation: 10) // "deviation": The deviation on pixels, It's from 0 to 255. Bigger deviation means less kind of colors.

Get the effected image.

let image = ...  // your UIImage.
let result = image.calculateColorRatio(deviation: 10)
let effectedImage = image.effectedImage(colorRatioResult: result)

How to integrate UIImageColorRatio?

UIImageColorRatio can be integrated by cocoapods.

pod 'UIImageColorRatio'

Feel free to send Pull Request to support Carthage or Swift Packages.

Performance

You can see the duration of the calculation from calculateColorRatio API's result.

You MUST use Release build configuration to see the performance. Because swfit is very slow on Debug build configuration.

Refer here: https://stackoverflow.com/q/61998649/9315497

Requirements

iOS 10.0+
Xcode 11+
Swift 5.0+

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