Faster cropping

IFTTT · Feb 24, 2017 · ba54647 · ba54647
1 parent e22e0b8
commit ba54647
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/FastttCamera/UIImage+FastttCamera.m b/FastttCamera/UIImage+FastttCamera.m
@@ -190,11 +190,11 @@ - (UIImage *)fastttImageWithNormalizedOrientation
                                 FastttRound(self.size.width),
                                 FastttRound(self.size.height));
 
+    CGImageRef imageRef = CGImageRetain(CGImageCreateWithImageInRect([self CGImage], newRect));
     UIGraphicsBeginImageContextWithOptions(newRect.size, YES, self.scale);
-    [self drawInRect:newRect];
 
-    UIImage *normalized = UIGraphicsGetImageFromCurrentImageContext();
-    UIGraphicsEndImageContext();
+    UIImage *normalized = [UIImage imageWithCGImage:imageRef];
+    CGImageRelease(imageRef);
 
     return normalized;
 }