From f6a8f93a7793082478d77561ded1655f35775124 Mon Sep 17 00:00:00 2001
From: Kira <1027610607@qq.com>
Date: Tue, 28 Feb 2017 17:14:52 +0800
Subject: [PATCH 1/2] avoid crash

---
 Regift/Regift.swift | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Regift/Regift.swift b/Regift/Regift.swift
index 52cd8d1..3dc58f6 100644
--- a/Regift/Regift.swift
+++ b/Regift/Regift.swift
@@ -297,6 +297,11 @@ public struct Regift {
         gifGroup.enter()
 
         generator.generateCGImagesAsynchronously(forTimes: times, completionHandler: { (requestedTime, image, actualTime, result, error) in
+            // if not return when error occured and the time is the last time, gifGroup.leave() will get crash
+            guard !dispatchError else {
+                return
+            }
+            
             guard let imageRef = image , error == nil else {
                 print("An error occurred: \(error), image is \(image)")
                 dispatchError = true

From 70020fec37371389dc999f7f832d0c62da3ea377 Mon Sep 17 00:00:00 2001
From: Kira <1027610607@qq.com>
Date: Wed, 1 Mar 2017 18:12:22 +0800
Subject: [PATCH 2/2] =?UTF-8?q?=E5=A6=82=E6=9E=9C=E6=9C=89=E6=9F=90?=
 =?UTF-8?q?=E4=BA=9B=E5=B8=A7=E6=B2=A1=E6=9C=89=E5=8F=96=E5=88=B0=E4=B9=9F?=
 =?UTF-8?q?=E4=B8=8D=E6=8A=9B=E5=87=BA=E5=BC=82=E5=B8=B8?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 Regift/Regift.swift | 13 -------------
 1 file changed, 13 deletions(-)

diff --git a/Regift/Regift.swift b/Regift/Regift.swift
index 3dc58f6..7c2bf17 100644
--- a/Regift/Regift.swift
+++ b/Regift/Regift.swift
@@ -293,19 +293,11 @@ public struct Regift {
 
         // Create a dispatch group to force synchronous behavior on an asynchronous method.
         let gifGroup = Group()
-        var dispatchError: Bool = false
         gifGroup.enter()
 
         generator.generateCGImagesAsynchronously(forTimes: times, completionHandler: { (requestedTime, image, actualTime, result, error) in
-            // if not return when error occured and the time is the last time, gifGroup.leave() will get crash
-            guard !dispatchError else {
-                return
-            }
-            
             guard let imageRef = image , error == nil else {
                 print("An error occurred: \(error), image is \(image)")
-                dispatchError = true
-                gifGroup.leave()
                 return
             }
 
@@ -318,11 +310,6 @@ public struct Regift {
 
         // Wait for the asynchronous generator to finish.
         gifGroup.wait()
-
-        // If there was an error in the generator, throw the error.
-        if dispatchError {
-            throw RegiftError.AddFrameToDestination
-        }
         
         CGImageDestinationSetProperties(destination, fileProperties as CFDictionary)