import CoreGraphics

enum ImageCropGeometry {
    static func maximumCropSize(fitting imageSize: CGSize, aspectRatio: CGFloat) -> CGSize {
        guard imageSize.width > 0, imageSize.height > 0, aspectRatio > 0 else {
            return .zero
        }

        if imageSize.width / imageSize.height > aspectRatio {
            return CGSize(width: imageSize.height * aspectRatio, height: imageSize.height)
        }

        return CGSize(width: imageSize.width, height: imageSize.width / aspectRatio)
    }
}