Answers for "calculate image size swift"

0

increase the size of the image in Swiftui

struct ResizedImage: View {
    var body: some View {

            Image("myImage")
                .resizable()
                .scaledToFit()
                .frame(width: 200.0,height:200)

    }
}
Posted by: Guest on April-08-2021
1

swift decrease image size

let actualHeight:CGFloat = image.size.height
let actualWidth:CGFloat = image.size.width
let imgRatio:CGFloat = actualWidth/actualHeight
let maxWidth:CGFloat = 1024.0
let resizedHeight:CGFloat = maxWidth/imgRatio
let compressionQuality:CGFloat = 0.5

let rect:CGRect = CGRect(x: 0, y: 0, width: maxWidth, height: resizedHeight)
UIGraphicsBeginImageContext(rect.size)
image.draw(in: rect)
let img: UIImage = UIGraphicsGetImageFromCurrentImageContext()!
let imageData:Data = UIImageJPEGRepresentation(img, compressionQuality)!
UIGraphicsEndImageContext()

return UIImage(data: imageData)!
Posted by: Guest on November-01-2020

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