Corrects the orientation of the generated QR code

Author: Sam Davies

15-core-image-filters/ImageFilter/ImageFilter/SCQRGeneratorViewController.m

@@ -84,6 +84,11 @@ - (UIImage *)createNonInterpolatedUIImageFromCIImage:(CIImage *)image withScale:
  // Tidy up
  UIGraphicsEndImageContext();
  CGImageRelease(cgImage);
- return scaledImage;
+ // Need to set the image orientation correctly
+ UIImage *flippedImage = [UIImage imageWithCGImage:[scaledImage CGImage]
+ scale:scaledImage.scale
+ orientation:UIImageOrientationDownMirrored];
+
+ return flippedImage;
 }
 @end