Saves image to cache without downloading it.

[derpoliuk]

No description provided.

[DimaVartanian]

+1, nice shortcut

[bpoplauschi]

I would rather expose the cacheKeyForURL method from SDWebImageManager, it should give developers more flexibility.
Then, you could do:

SDWebImageManager *imageManager = [SDWebImageManager sharedManager];
SDImageCache *imageCache = imageManager.imageCache;
NSString *key = [imageManager cacheKeyForURL:url];
[imageManager.imageCache storeImage:image forKey:key toDisk:YES];

What do you think?

[DimaVartanian]

When you put [self cacheKeyForURL:url] did you mean [imageManager cacheKeyForURL:url]? That certainly works too but requires extra code for what I think is a pretty common use case (pre-caching resources). It would honestly be nice if both were surfaced so you could easily check the cache for members and such.

[bpoplauschi]

Good catch, thanks for that. Yeap, we might do both.

[derpoliuk]

@bpoplauschi I was thinking to expose cacheKeyForURL: but didn't want to move imageCache to SDWebImageManager.h. It would be good functionality though.

Thanx for merging.