Fix that downloader options about image decoding is not correctly set

SDWebImage/SDImageCacheDefine.m

@@ -33,13 +33,13 @@ UIImage * _Nullable SDImageCacheDecodeImageData(NSData * _Nonnull imageData, NSS
         }
     }
     if (!image) {
-        SDImageCoderOptions *options = @{SDImageCoderDecodeFirstFrameOnly : @(decodeFirstFrame), SDImageCoderDecodeScaleFactor : @(scale)};
+        SDImageCoderOptions *coderOptions = @{SDImageCoderDecodeFirstFrameOnly : @(decodeFirstFrame), SDImageCoderDecodeScaleFactor : @(scale)};
         if (context) {
-            SDImageCoderMutableOptions *mutableOptions = [options mutableCopy];
-            [mutableOptions setValue:context forKey:SDImageCoderWebImageContext];
-            options = [mutableOptions copy];
+            SDImageCoderMutableOptions *mutableCoderOptions = [coderOptions mutableCopy];
+            [mutableCoderOptions setValue:context forKey:SDImageCoderWebImageContext];
+            coderOptions = [mutableCoderOptions copy];
         }
-        image = [[SDImageCodersManager sharedManager] decodedImageWithData:imageData options:options];
+        image = [[SDImageCodersManager sharedManager] decodedImageWithData:imageData options:coderOptions];
     }
     if (image) {
         BOOL shouldDecode = (options & SDWebImageAvoidDecodeImage) == 0;

SDWebImage/SDImageLoader.m

@@ -47,13 +47,13 @@ UIImage * _Nullable SDImageLoaderDecodeImageData(NSData * _Nonnull imageData, NS
         }
     }
     if (!image) {
-        SDImageCoderOptions *options = @{SDImageCoderDecodeFirstFrameOnly : @(decodeFirstFrame), SDImageCoderDecodeScaleFactor : @(scale)};
+        SDImageCoderOptions *coderOptions = @{SDImageCoderDecodeFirstFrameOnly : @(decodeFirstFrame), SDImageCoderDecodeScaleFactor : @(scale)};
         if (context) {
-            SDImageCoderMutableOptions *mutableOptions = [options mutableCopy];
-            [mutableOptions setValue:context forKey:SDImageCoderWebImageContext];
-            options = [mutableOptions copy];
+            SDImageCoderMutableOptions *mutableCoderOptions = [coderOptions mutableCopy];
+            [mutableCoderOptions setValue:context forKey:SDImageCoderWebImageContext];
+            coderOptions = [mutableCoderOptions copy];
         }
-        image = [[SDImageCodersManager sharedManager] decodedImageWithData:imageData options:options];
+        image = [[SDImageCodersManager sharedManager] decodedImageWithData:imageData options:coderOptions];
     }
     if (image) {
         BOOL shouldDecode = (options & SDWebImageAvoidDecodeImage) == 0;
@@ -125,13 +125,13 @@ UIImage * _Nullable SDImageLoaderDecodeProgressiveImageData(NSData * _Nonnull im
         }
     }
     if (!image) {
-        SDImageCoderOptions *options = @{SDImageCoderDecodeFirstFrameOnly : @(decodeFirstFrame), SDImageCoderDecodeScaleFactor : @(scale)};
+        SDImageCoderOptions *coderOptions = @{SDImageCoderDecodeFirstFrameOnly : @(decodeFirstFrame), SDImageCoderDecodeScaleFactor : @(scale)};
         if (context) {
-            SDImageCoderMutableOptions *mutableOptions = [options mutableCopy];
-            [mutableOptions setValue:context forKey:SDImageCoderWebImageContext];
-            options = [mutableOptions copy];
+            SDImageCoderMutableOptions *mutableCoderOptions = [coderOptions mutableCopy];
+            [mutableCoderOptions setValue:context forKey:SDImageCoderWebImageContext];
+            coderOptions = [mutableCoderOptions copy];
         }
-        image = [progressiveCoder incrementalDecodedImageWithOptions:options];
+        image = [progressiveCoder incrementalDecodedImageWithOptions:coderOptions];
     }
     if (image) {
         BOOL shouldDecode = (options & SDWebImageAvoidDecodeImage) == 0;

SDWebImage/SDWebImageDownloader.m

@@ -488,6 +488,9 @@ didReceiveResponse:(NSURLResponse *)response
     if (options & SDWebImageAllowInvalidSSLCertificates) downloaderOptions |= SDWebImageDownloaderAllowInvalidSSLCertificates;
     if (options & SDWebImageHighPriority) downloaderOptions |= SDWebImageDownloaderHighPriority;
     if (options & SDWebImageScaleDownLargeImages) downloaderOptions |= SDWebImageDownloaderScaleDownLargeImages;
+    if (options & SDWebImageAvoidDecodeImage) downloaderOptions |= SDWebImageDownloaderAvoidDecodeImage;
+    if (options & SDWebImageDecodeFirstFrameOnly) downloaderOptions |= SDWebImageDownloaderDecodeFirstFrameOnly;
+    if (options & SDWebImagePreloadAllFrames) downloaderOptions |= SDWebImageDownloaderPreloadAllFrames;
     
     if (cachedImage && options & SDWebImageRefreshCached) {
         // force progressive off if image already cached but forced refreshing