Allow Square Cropping

ALCameraViewController.xcodeproj/project.pbxproj

@@ -283,7 +283,7 @@
 					};
 					FAF0583E1B31618D008E5592 = {
 						CreatedOnToolsVersion = 6.3.2;
-						DevelopmentTeam = 2466624KEK;
+						DevelopmentTeam = FX2Z63PGT5;
 						LastSwiftMigration = 0900;
 						ProvisioningStyle = Automatic;
 					};
@@ -548,7 +548,7 @@
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
-				DEVELOPMENT_TEAM = 2466624KEK;
+				DEVELOPMENT_TEAM = FX2Z63PGT5;
 				INFOPLIST_FILE = "Example/Supporting Files/Info.plist";
 				IPHONEOS_DEPLOYMENT_TARGET = 9.0;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
@@ -564,7 +564,7 @@
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
-				DEVELOPMENT_TEAM = 2466624KEK;
+				DEVELOPMENT_TEAM = FX2Z63PGT5;
 				INFOPLIST_FILE = "Example/Supporting Files/Info.plist";
 				IPHONEOS_DEPLOYMENT_TARGET = 9.0;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";

ALCameraViewController.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>IDEDidComputeMac32BitWarning</key>
+	<true/>
+</dict>
+</plist>

ALCameraViewController/Utilities/CroppingParameters.swift

@@ -21,6 +21,8 @@ public struct CroppingParameters {
     /// Allow the cropping area to be moved by the user.
     /// Default value is set to false.
     var allowMoving: Bool
+
+    var squarableCrop: Bool
 
     /// Prevent the user to resize the cropping area below a minimum size.
     /// Default value is (60, 60). Below this value, corner buttons will overlap.
@@ -29,11 +31,13 @@ public struct CroppingParameters {
     public init(isEnabled: Bool = false,
                 allowResizing: Bool = true,
                 allowMoving: Bool = true,
+                squarableCrop: Bool = true,
          minimumSize: CGSize = CGSize(width: 60, height: 60)) {
 
         self.isEnabled = isEnabled
         self.allowResizing = allowResizing
         self.allowMoving = allowMoving
         self.minimumSize = minimumSize
+        self.squarableCrop = squarableCrop
     }
 }

ALCameraViewController/ViewController/ConfirmViewController.swift

@@ -20,6 +20,7 @@ public class ConfirmViewController: UIViewController, UIScrollViewDelegate {
 
     var croppingParameters: CroppingParameters {
         didSet {
+            cropOverlay.isSquarable = croppingParameters.squarableCrop
             cropOverlay.isResizable = croppingParameters.allowResizing
             cropOverlay.minimumSize = croppingParameters.minimumSize
         }
@@ -71,6 +72,7 @@ public class ConfirmViewController: UIViewController, UIScrollViewDelegate {
         cropOverlay.isHidden = true
         cropOverlay.isResizable = croppingParameters.allowResizing
         cropOverlay.isMovable = croppingParameters.allowMoving
+        cropOverlay.isSquarable = croppingParameters.squarableCrop
         cropOverlay.minimumSize = croppingParameters.minimumSize
 
 		let spinner = showSpinner()

ALCameraViewController/Views/CropOverlay.swift

@@ -33,7 +33,7 @@ internal class CropOverlay: UIView {
     var outterGap: CGFloat {
         return self.cornerButtonWidth * self.outterGapRatio
     }
-
+    var isSquarable: Bool = false
     var isResizable: Bool = false
     var isMovable: Bool = false
     var minimumSize: CGSize = CGSize.zero
@@ -184,7 +184,10 @@ internal class CropOverlay: UIView {
 					newFrame = CGRect.zero
 				}
 
-                let minimumFrame = CGRect(x: newFrame.origin.x, y: newFrame.origin.y, width: max(newFrame.size.width, minimumSize.width + 2 * outterGap), height: max(newFrame.size.height, minimumSize.height + 2 * outterGap))
+                var minimumFrame = CGRect(x: newFrame.origin.x, y: newFrame.origin.y, width: max(newFrame.size.width, minimumSize.width + 2 * outterGap), height: max(newFrame.size.height, minimumSize.height + 2 * outterGap))
+                if isSquarable {
+                    minimumFrame = CGRect(x: newFrame.origin.x, y: newFrame.origin.y, width: max(minimumFrame.size.height, minimumFrame.size.width), height: max(minimumFrame.size.height, minimumFrame.size.width))
+                }
 				frame = minimumFrame
 				layoutSubviews()
 

Example/ViewController.swift

@@ -11,13 +11,13 @@ import UIKit
 class ViewController: UIViewController {
 
     var libraryEnabled: Bool = true
-    var croppingEnabled: Bool = false
+    var croppingEnabled: Bool = true
     var allowResizing: Bool = true
-    var allowMoving: Bool = false
+    var allowMoving: Bool = true
     var minimumSize: CGSize = CGSize(width: 60, height: 60)
 
     var croppingParameters: CroppingParameters {
-        return CroppingParameters(isEnabled: croppingEnabled, allowResizing: allowResizing, allowMoving: allowMoving, minimumSize: minimumSize)
+        return CroppingParameters(isEnabled: croppingEnabled, allowResizing: allowResizing, allowMoving: allowMoving,squarableCrop: true, minimumSize: minimumSize)
     }
 
     @IBOutlet weak var imageView: UIImageView!