resizedImage-UIImage+Extension.swift

func resizedImage(for size: CGSize) -> UIImage? {
            let image = self.cgImage
            let context = CGContext(data: nil,
                                    width: Int(size.width),
                                    height: Int(size.height),
                                    bitsPerComponent: image!.bitsPerComponent,
                                    bytesPerRow: Int(size.width),
                                    space: image?.colorSpace ?? CGColorSpace(name: CGColorSpace.sRGB)!,
                                    bitmapInfo: image!.bitmapInfo.rawValue)
            context?.interpolationQuality = .high
            context?.draw(image!, in: CGRect(origin: .zero, size: size))

            guard let scaledImage = context?.makeImage() else { return nil }

            return UIImage(cgImage: scaledImage)
    }