iOS has a range of built-in filters that you can use to enhance photos that are available through the Core Image library. Core Image is an image processing and analysis technology that provides high-performance processing for still and video images. There are over 170 filters available, giving you the ability to apply a wide range of cool effects to your photos.
You can learn more about Core Image at https://developer.apple.com/documentation/coreimage
For this app, you'll just be using 10 filters, which are provided in a .plist file. Import this file into your app by following these steps:
- If you have not yet done so, download and unzip the code bundle for this book at this link: https://github.com/PacktPublishing/iOS-13-Programming-for-Beginners ...
