Filip Němeček • 5/11/2022

How to resize image in Swift

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This article provides a detailed, code-focused tutorial on programmatically resizing images in Swift. It explains how to use UIGraphicsImageRenderer and AVFoundation's AVMakeRect to calculate target sizes while maintaining aspect ratio, addresses the pixel vs. points scaling issue on iOS, and includes a complete code example. It also briefly mentions adapting the solution for SwiftUI.

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#image processing #Swift #Uiimage
How to resize image in Swift

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