diff --git a/SDWebImage/NSData+GIF.m b/SDWebImage/NSData+GIF.m
index ae445db9..3ed233cf 100644
--- a/SDWebImage/NSData+GIF.m
+++ b/SDWebImage/NSData+GIF.m
@@ -10,13 +10,15 @@
 
 @implementation NSData (GIF)
 
-- (BOOL)isGIF {
+- (BOOL)isGIF
+{
     BOOL isGIF = NO;
     
     uint8_t c;
     [self getBytes:&c length:1];
     
-    switch (c) {
+    switch (c)
+    {
         case 0x47:  // probably a GIF
             isGIF = YES;
             break;
diff --git a/SDWebImage/SDImageCache.m b/SDWebImage/SDImageCache.m
index 3440d7da..6746a370 100644
--- a/SDWebImage/SDImageCache.m
+++ b/SDWebImage/SDImageCache.m
@@ -181,9 +181,12 @@ static const NSInteger kDefaultCacheMaxCacheAge = 60 * 60 * 24 * 7; // 1 week
     NSData *data = [NSData dataWithContentsOfFile:path];
     if (data)
     {
-        if ([data isGIF]) {
+        if ([data isGIF])
+        {
             return [UIImage animatedGIFWithData:data];
-        } else {
+        }
+        else
+        {
             UIImage *image = [[UIImage alloc] initWithData:data];
             UIImage *scaledImage = [self scaledImageForKey:key image:image];
             return [UIImage decodedImageWithImage:scaledImage];
diff --git a/SDWebImage/SDWebImageManager.m b/SDWebImage/SDWebImageManager.m
index a207dc3f..f4f98832 100644
--- a/SDWebImage/SDWebImageManager.m
+++ b/SDWebImage/SDWebImageManager.m
@@ -123,7 +123,8 @@
             __block id<SDWebImageOperation> subOperation = [self.imageDownloader downloadImageWithURL:url options:downloaderOptions progress:progressBlock completed:^(UIImage *downloadedImage, NSData *data, NSError *error, BOOL finished)
             {
                 BOOL imageIsGIF = [data isGIF];
-                if (imageIsGIF) {
+                if (imageIsGIF)
+                {
                     downloadedImage = [UIImage animatedGIFWithData:data];
                 }
                 
diff --git a/SDWebImage/UIImage+GIF.h b/SDWebImage/UIImage+GIF.h
index 3fccf77d..3006de58 100755
--- a/SDWebImage/UIImage+GIF.h
+++ b/SDWebImage/UIImage+GIF.h
@@ -11,9 +11,9 @@
 
 @interface UIImage (GIF)
 
-+(UIImage*)animatedGIFNamed:(NSString*)name;
-+(UIImage*)animatedGIFWithData:(NSData *)data;
++ (UIImage *)animatedGIFNamed:(NSString *)name;
++ (UIImage *)animatedGIFWithData:(NSData *)data;
 
--(UIImage*)animatedImageByScalingAndCroppingToSize:(CGSize)size;
+- (UIImage *)animatedImageByScalingAndCroppingToSize:(CGSize)size;
 
 @end
diff --git a/SDWebImage/UIImage+GIF.m b/SDWebImage/UIImage+GIF.m
index 83b3b09f..8a0cc61d 100755
--- a/SDWebImage/UIImage+GIF.m
+++ b/SDWebImage/UIImage+GIF.m
@@ -11,22 +11,25 @@
 
 @implementation UIImage (GIF)
 
-+(UIImage*)animatedGIFWithData:(NSData *)data {
-    if (!data) {
++ (UIImage *)animatedGIFWithData:(NSData *)data
+{
+    if (!data)
+    {
         return nil;
     }
     
     CGImageSourceRef source = CGImageSourceCreateWithData((__bridge CFDataRef)data, NULL);
     
     size_t count = CGImageSourceGetCount(source);
-    NSMutableArray* images = [NSMutableArray array];
+    NSMutableArray *images = [NSMutableArray array];
     
     NSTimeInterval duration = 0.0f;
     
-    for (size_t i = 0; i < count; i++) {
+    for (size_t i = 0; i < count; i++)
+    {
         CGImageRef image = CGImageSourceCreateImageAtIndex(source, i, NULL);
         
-        NSDictionary* frameProperties = CFBridgingRelease(CGImageSourceCopyPropertiesAtIndex(source, i, NULL));
+        NSDictionary *frameProperties = CFBridgingRelease(CGImageSourceCopyPropertiesAtIndex(source, i, NULL));
         duration += [[[frameProperties objectForKey:(NSString*)kCGImagePropertyGIFDictionary] objectForKey:(NSString*)kCGImagePropertyGIFDelayTime] doubleValue];
         
         [images addObject:[UIImage imageWithCGImage:image scale:[UIScreen mainScreen].scale orientation:UIImageOrientationUp]];
@@ -36,41 +39,48 @@
     
     CFRelease(source);
     
-    if (!duration) {
+    if (!duration)
+    {
         duration = (1.0f/10.0f)*count;
     }
     
     return [UIImage animatedImageWithImages:images duration:duration];
 }
 
-+(UIImage*)animatedGIFNamed:(NSString *)name {
++ (UIImage *)animatedGIFNamed:(NSString *)name
+{
     CGFloat scale = [UIScreen mainScreen].scale;
     
-    if (scale > 1.0f) {
-        NSString* retinaPath = [[NSBundle mainBundle] pathForResource:[name stringByAppendingString:@"@2x"] ofType:@"gif"];
+    if (scale > 1.0f)
+    {
+        NSString *retinaPath = [[NSBundle mainBundle] pathForResource:[name stringByAppendingString:@"@2x"] ofType:@"gif"];
         
-        NSData* data = [NSData dataWithContentsOfFile:retinaPath];
+        NSData *data = [NSData dataWithContentsOfFile:retinaPath];
         
-        if (data) {
+        if (data)
+        {
             return [UIImage animatedGIFWithData:data];
         }
         
-        NSString* path = [[NSBundle mainBundle] pathForResource:name ofType:@"gif"];
+        NSString *path = [[NSBundle mainBundle] pathForResource:name ofType:@"gif"];
         
         data = [NSData dataWithContentsOfFile:path];
         
-        if (data) {
+        if (data)
+        {
             return [UIImage animatedGIFWithData:data];
         }
         
         return [UIImage imageNamed:name];
     }
-    else {
-        NSString* path = [[NSBundle mainBundle] pathForResource:name ofType:@"gif"];
+    else
+    {
+        NSString *path = [[NSBundle mainBundle] pathForResource:name ofType:@"gif"];
         
-        NSData* data = [NSData dataWithContentsOfFile:path];
+        NSData *data = [NSData dataWithContentsOfFile:path];
         
-        if (data) {
+        if (data)
+        {
             return [UIImage animatedGIFWithData:data];
         }
         
@@ -78,8 +88,10 @@
     }    
 }
 
--(UIImage*)animatedImageByScalingAndCroppingToSize:(CGSize)size {
-    if (CGSizeEqualToSize(self.size, size) || CGSizeEqualToSize(size, CGSizeZero)) {
+- (UIImage *)animatedImageByScalingAndCroppingToSize:(CGSize)size
+{
+    if (CGSizeEqualToSize(self.size, size) || CGSizeEqualToSize(size, CGSizeZero))
+    {
         return self;
     }
     
@@ -91,17 +103,22 @@
     CGFloat scaleFactor = (widthFactor > heightFactor) ? widthFactor :heightFactor;
     scaledSize.width = self.size.width * scaleFactor;
     scaledSize.height = self.size.height * scaleFactor;
-    if (widthFactor > heightFactor) {
+    
+    if (widthFactor > heightFactor)
+    {
         thumbnailPoint.y = (size.height - scaledSize.height) * 0.5; 
-    } else if (widthFactor < heightFactor) {
+    }
+    else if (widthFactor < heightFactor)
+    {
         thumbnailPoint.x = (size.width - scaledSize.width) * 0.5;
     }
     
-    NSMutableArray* scaledImages = [NSMutableArray array];
+    NSMutableArray *scaledImages = [NSMutableArray array];
     
     UIGraphicsBeginImageContextWithOptions(size, NO, 0.0); 
     
-    for (UIImage* image in self.images) {
+    for (UIImage *image in self.images)
+    {
         [image drawInRect:CGRectMake(thumbnailPoint.x, thumbnailPoint.y, scaledSize.width, scaledSize.height)];
         UIImage *newImage = UIGraphicsGetImageFromCurrentImageContext();