Cutting Image With Completion Handler

Author: hcn1519

THTiledImageView.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name             = 'THTiledImageView'
-  s.version          = '0.2.1'
+  s.version          = '0.2.2'
   s.summary          = 'High Quality Image ScrollView using cropped tiled images.'
 
   s.description      = <<-DESC

THTiledImageView.xcodeproj/project.xcworkspace/xcuserdata/changnam.xcuserdatad/UserInterfaceState.xcuserstate

@@ -17,7 +17,7 @@
 	<key>CFBundlePackageType</key>
 	<string>APPL</string>
 	<key>CFBundleShortVersionString</key>
-	<string>0.2</string>
+	<string>0.2.2</string>
 	<key>CFBundleVersion</key>
 	<string>1</string>
 	<key>LSRequiresIPhoneOS</key>

THTiledImageView/Info.plist

@@ -24,7 +24,8 @@ extension FileManager {
 }
 
 extension UIImage {
-    public class func saveTileOf(size: [CGSize], name: String, withExtension: String) {
+    public class func saveTileOf(size: [CGSize], name: String,
+                                 withExtension: String, completion: @escaping (Bool) -> Void ) {
 
         let cachesPath = NSSearchPathForDirectoriesInDomains(.cachesDirectory, .userDomainMask, true)[0] as String
 
@@ -99,8 +100,11 @@ extension UIImage {
                             }
                         }
                         print("\(imageSize.width) image cutting finish")
+                        completion(true)
                     }
                 }
+            } else {
+                completion(false)
             }
         }
     }

THTiledImageView/THTiledImageView/THTiledImageGenerateHelper.swift

@@ -20,7 +20,9 @@ class ViewController: UIViewController {
                                CGSize(width: 512, height: 512), CGSize(width: 256, height: 256),
                                CGSize(width: 128, height: 128)]
 
-        UIImage.saveTileOf(size: tiles, name: "bench", withExtension: "jpg")
+        UIImage.saveTileOf(size: tiles, name: "bench", withExtension: "jpg") { _ in
+
+        }
 
         let imageSize = CGSize(width: 5214, height: 7300)
         let thumbnailImageURL = Bundle.main.url(forResource: "smallBench", withExtension: "jpg")!