Force decompression while on background queue

Author: neonichu

Code/CCBufferedImageView.swift

@@ -66,6 +66,11 @@ public class CCBufferedImageView : UIImageView, NSURLConnectionDataDelegate {
             decoder.decompress()
             let decodedImage = decoder.toImage()
 
+            UIGraphicsBeginImageContext(CGSizeMake(1,1))
+            let context = UIGraphicsGetCurrentContext()
+            CGContextDrawImage(context, CGRectMake(0, 0, 1, 1), decodedImage.CGImage)
+            UIGraphicsEndImageContext()
+
             dispatch_async(dispatch_get_main_queue()) {
                 self.image = decodedImage
             }