Use the existing degrees to radians func, use CGFloat

Author: AlexLittlejohn

ALCameraViewController/Utilities/Utilities.swift

@@ -9,8 +9,8 @@
 import UIKit
 import AVFoundation
 
-internal func radians(_ degrees: Double) -> Double {
-    return degrees / 180 * Double.pi
+internal func radians(_ degrees: CGFloat) -> CGFloat {
+    return degrees / 180 * .pi
 }
 
 internal func localizedString(_ key: String) -> String {
@@ -24,7 +24,7 @@ internal func localizedString(_ key: String) -> String {
     return NSLocalizedString(key, tableName: CameraGlobals.shared.stringsTable, bundle: bundle, comment: key)
 }
 
-internal func currentRotation(_ oldOrientation: UIInterfaceOrientation, newOrientation: UIInterfaceOrientation) -> Double {
+internal func currentRotation(_ oldOrientation: UIInterfaceOrientation, newOrientation: UIInterfaceOrientation) -> CGFloat {
     switch oldOrientation {
         case .portrait:
             switch newOrientation {

ALCameraViewController/ViewController/CameraViewController.swift

@@ -391,8 +391,8 @@ open class CameraViewController: UIViewController {
     internal func rotate(actualInterfaceOrientation: UIInterfaceOrientation) {
 
         if lastInterfaceOrientation != nil {
-            let lastTransform = CGAffineTransform(rotationAngle: CGFloat(radians(currentRotation(
-                lastInterfaceOrientation!, newOrientation: actualInterfaceOrientation))))
+            let lastTransform = CGAffineTransform(rotationAngle: radians(currentRotation(
+                lastInterfaceOrientation!, newOrientation: actualInterfaceOrientation)))
             setTransform(transform: lastTransform)
         }
 

ALCameraViewController/ViewController/ConfirmViewController.swift

@@ -328,17 +328,15 @@ public class ConfirmViewController: UIViewController, UIScrollViewDelegate {
 
 extension UIImage {
 	func crop(rect: CGRect) -> UIImage {
-		let rad = {(_ deg: CGFloat) -> CGFloat in
-			return deg / 180.0 * .pi
-		}
+
 		var rectTransform: CGAffineTransform
 		switch imageOrientation {
 		case .left:
-			rectTransform = CGAffineTransform(rotationAngle: rad(90)).translatedBy(x: 0, y: -size.height)
+			rectTransform = CGAffineTransform(rotationAngle: radians(90)).translatedBy(x: 0, y: -size.height)
 		case .right:
-			rectTransform = CGAffineTransform(rotationAngle: rad(-90)).translatedBy(x: -size.width, y: 0)
+			rectTransform = CGAffineTransform(rotationAngle: radians(-90)).translatedBy(x: -size.width, y: 0)
 		case .down:
-			rectTransform = CGAffineTransform(rotationAngle: rad(-180)).translatedBy(x: -size.width, y: -size.height)
+			rectTransform = CGAffineTransform(rotationAngle: radians(-180)).translatedBy(x: -size.width, y: -size.height)
 		default:
 			rectTransform = CGAffineTransform.identity
 		}