Scale to Width – Open Access Helper

Swift 4: scale image to width

By cwolfPosted on September 21, 2018September 20, 2018Posted in SwiftTagged Image Scale, Scale to Width, swift 4

For an app that I was writing I needed an easy function to scale an image to a specific width, the function below will accomplish this: func scaleImageWidth(sourceImage:UIImage, scaledToWidth: CGFloat) -> UIImage { let oldWidth = sourceImage.size.width let scaleFactor = scaledToWidth / oldWidth let newHeight = sourceImage.size.height * scaleFactor let newWidth = oldWidth * scaleFactor […]