From 83cad0c86713cbf0b9a5b7d60beadc42fc9605d6 Mon Sep 17 00:00:00 2001
From: Andrew Podkovyrin <podkovyrin@gmail.com>
Date: Thu, 24 Apr 2014 00:40:57 +0400
Subject: [PATCH] generate blur frames only once on addSubview:

---
 ANBlurredImageView/ANBlurredImageView.m | 18 ++++++++++--------
 1 file changed, 10 insertions(+), 8 deletions(-)

diff --git a/ANBlurredImageView/ANBlurredImageView.m b/ANBlurredImageView/ANBlurredImageView.m
index 0d19b39..c0b4cf7 100644
--- a/ANBlurredImageView/ANBlurredImageView.m
+++ b/ANBlurredImageView/ANBlurredImageView.m
@@ -19,15 +19,17 @@ - (id)initWithFrame:(CGRect)frame
     return self;
 }
 
--(void)layoutSubviews{
-    [super layoutSubviews];
+- (void)willMoveToSuperview:(UIView *)newSuperview {
+    [super willMoveToSuperview:newSuperview];
     
-    _baseImage = self.image;
-    [self generateBlurFramesWithCompletion:^{}];
-    
-    // Defaults
-    self.animationDuration = 0.1f;
-    self.animationRepeatCount = 1;
+    if (newSuperview) {
+        _baseImage = self.image;
+        [self generateBlurFramesWithCompletion:^{}];
+        
+        // Defaults
+        self.animationDuration = 0.1f;
+        self.animationRepeatCount = 1;
+    }
 }
 
 // Downsamples the image so we avoid needing to blur a huge image.