ios / yh_sdwebimage · Commits

This enables the CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF warning on all
targets. #2225 fixed a number of these, but a new one crept back in so
this fixes that issue as well.

…ry warning and sync back the alive instance from weak cache into cache.

…ache when the in-memory cache hit (#2218)

…eFromMemoryCacheForKey` instead

…heckIOQueue and add sync version exist API

Currently is used for FLAnimatedImage

…to use PNG or JPEG format

Cached image filename are sometimes generated with invalid path extensions

Allow user to provide reading options such as mapped file to improve performance in SDImageCache disk cache

- open the decoding/encoding procedures to the users
- switch from hardcoded decoding/encoding to pluginable decoders/encoders (builtin + user created)
- `SDWebImageCodersManager` is a singleton holding an array of `SDImageCoder` (protocol). Even though a singleton is not necesarily a good pattern, in this case it eliminates dealing with passing this array around
- uses a priority queue behind scenes, which means the latest added coders have priority.
- the priority is crucial when encoding/decoding something, we go through the list and ask each coder if they can handle the current data (see `canDecodeFromData:`, `canEncodeToFormat:`, `canIncrementallyDecodeFromData:`)
- each coder must conform to this protocol `SDImageCoder` describing all the required behavior for a coder
- we provide 3 built-in coders: `SDWebImageImageIOCoder` (for JPEG, PNG, TIFF), `SDWebImageGIFCoder` (for GIF), `SDWebImageWebPCoder` (for WebP and animated WebP)
- the user of SDWebImage can create custom coders by conforming to `SDImageCoder` and adding the coders to `SDWebImageCodersManager`. See `addCoder:` or `removeCoder:` or `coders` getter to get the array
- in order to preserve backwards compatibility, the UIImage categories were preserved, calling the new coders APIs described above

… in SDImageCache disk cache

1. Change the code to not decode WebP images created in SD because it has been decoded
2. Add @autoreleasepool for animated WebP decoding do-while loop to reduce memory peak

Small change

…consumption when store a lot of images in series

…he return type should be instancetype and not a fixed type.

#1619: Adds NSError as input to resourceValuesForKeys:error: method

…nc but were async. Left only the 2 async ones

…s sync. Properly marked them as async + added completion. Got rid of the recalculate param. If the `NSData` is provided, use it. Otherwise, recalculate from the `UIImage`

…an ioQueue. Updated the header comments

… cache which I think is misleading. Now `imageFromDiskCacheForKey` only checks the disk cache and the new method `imageFromCacheForKey` checks both caches

…k` to `deleteOldFiles`. No longer expose the sync `clearDisk` and `deleteOldFiles`, just the async ones

…he. Easier to read code

…ache. Only if the data provided is nil and we have an image, we will recaculate. Moved the NSData calculation in the UIImage MultiFormat categ, plus instead of another variant to check for PNG, relly on `sd_imageFormatForImageData`