Using ImageRenderer to Convert SwiftUI Views into Images

ImageRenderer is another new API for SwiftUI that comes with iOS 16. It allows you to easily convert any SwiftUI views into an image. The implementation is very simple. You instantiate an instance of ImageRenderer with a view for the conversion:

You can then access the cgImage or uiImage property to retrieve the generated image.

First, let’s revisit the code of the ChartView example. We used the new API of the Charts framework to create a line chart and display the weather data. Here is the code snippet:

To use ImageRenderer, we first refactor this piece of code into a method like this:

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