Merge pull request #162 from Rightpoint/bugfix/tinting-crash

Guard against crashes when there are issues getting graphics context

Pod/Classes/ImageHelpers/UIImage+Tinting.swift

@@ -29,7 +29,9 @@ public extension UIImage {
         let originalAlignmentRectInsets = alignmentRectInsets
 
         UIGraphicsBeginImageContextWithOptions(size, false, scale)
-        let context = UIGraphicsGetCurrentContext()!
+        guard let context = UIGraphicsGetCurrentContext() else {
+            return self
+        }
 
         // Flip the context vertically
         context.translateBy(x: 0.0, y: size.height)
@@ -45,7 +47,9 @@ public extension UIImage {
         context.fill(imageRect)
 
         // Get new image
-        var image = UIGraphicsGetImageFromCurrentImageContext()!
+        guard var image = UIGraphicsGetImageFromCurrentImageContext() else {
+            return self
+        }
         UIGraphicsEndImageContext()
 
         // Prevent further tinting

README.md

@@ -2,7 +2,7 @@
 
 
 [![Swift 4.2](https://img.shields.io/badge/Swift-4.2-orange.svg?style=flat)](https://swift.org)
-[![CircleCI](https://img.shields.io/circleci/project/github/Raizlabs/Swiftilities.svg)](https://circleci.com/gh/Raizlabs/Swiftilities/tree/develop)
+[![CircleCI](https://img.shields.io/circleci/project/github/Rightpoint/Swiftilities.svg)](https://circleci.com/gh/Rightpoint/Swiftilities/tree/master)
 [![Version](https://img.shields.io/cocoapods/v/Swiftilities.svg?style=flat)](https://cocoapods.org/pods/Swiftilities)
 [![License](https://img.shields.io/cocoapods/l/Swiftilities.svg?style=flat)](https://cocoapods.org/pods/Swiftilities)
 [![Platform](https://img.shields.io/cocoapods/p/Swiftilities.svg?style=flat)](https://cocoapods.org/pods/Swiftilities)

Swiftilities.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name             = "Swiftilities"
-  s.version          = "0.22.0"
+  s.version          = "0.22.1"
   s.summary          = "A collection of useful Swift utilities."
   s.swift_version    = '4.2'