Scale GIF images

README.md

@@ -1,4 +1,3 @@
-
 Web Image
 =========
 
@@ -9,6 +8,7 @@ It provides:
 - An UIImageView category adding web image and cache management to the Cocoa Touch framework
 - An asynchronous image downloader
 - An asynchronous memory + disk image caching with automatic cache expiration handling
+- Animated GIF support
 - A background image decompression
 - A guarantee that the same URL won't be downloaded several times
 - A guarantee that bogus URLs won't be retried again and again

SDWebImage/SDImageCache.m

@@ -183,7 +183,8 @@ static const NSInteger kDefaultCacheMaxCacheAge = 60 * 60 * 24 * 7; // 1 week
     {
         if ([data isGIF])
         {
-            return [UIImage animatedGIFWithData:data];
+            UIImage *image = [UIImage animatedGIFWithData:data];
+            return [self scaledImageForKey:key image:image];
         }
         else
         {

SDWebImage/SDWebImageCompat.m

@@ -14,21 +14,35 @@
 
 inline UIImage *SDScaledImageForKey(NSString *key, UIImage *image)
 {
-    if ([[UIScreen mainScreen] respondsToSelector:@selector(scale)])
+    if ([image.images count] > 0)
     {
-        CGFloat scale = 1.0;
-        if (key.length >= 8)
+        NSMutableArray *scaledImages = [NSMutableArray array];
+        
+        for (UIImage *tempImage in image.images)
         {
-            // Search @2x. at the end of the string, before a 3 to 4 extension length (only if key len is 8 or more @2x. + 4 len ext)
-            NSRange range = [key rangeOfString:@"@2x." options:0 range:NSMakeRange(key.length - 8, 5)];
-            if (range.location != NSNotFound)
-            {
-                scale = 2.0;
-            }
+            [scaledImages addObject:SDScaledImageForKey(key, tempImage)];
         }
-
-        UIImage *scaledImage = [[UIImage alloc] initWithCGImage:image.CGImage scale:scale orientation:image.imageOrientation];
-        image = scaledImage;
+        
+        return [UIImage animatedImageWithImages:scaledImages duration:image.duration];
+    }
+    else
+    {
+        if ([[UIScreen mainScreen] respondsToSelector:@selector(scale)])
+        {
+            CGFloat scale = 1.0;
+            if (key.length >= 8)
+            {
+                // Search @2x. at the end of the string, before a 3 to 4 extension length (only if key len is 8 or more @2x. + 4 len ext)
+                NSRange range = [key rangeOfString:@"@2x." options:0 range:NSMakeRange(key.length - 8, 5)];
+                if (range.location != NSNotFound)
+                {
+                    scale = 2.0;
+                }
+            }
+            
+            UIImage *scaledImage = [[UIImage alloc] initWithCGImage:image.CGImage scale:scale orientation:image.imageOrientation];
+            image = scaledImage;
+        }
+        return image;
     }
-    return image;
 }