Technical requirements
You will continue working on the LetsEat
project that you modified in the previous chapter.
The resource files and completed Xcode project for this chapter are in the Chapter20
folder of the code bundle for this book, which can be downloaded here:
https://github.com/PacktPublishing/iOS-15-Programming-for-Beginners-Sixth-Edition
Check out the following video to see the code in action:
Let's start by learning about photo filters, and how to apply them to images.