SDWebImage/SDWebImage/SDWebImageCacheSerializer.h

27 lines
1.1 KiB
Objective-C

/*
* This file is part of the SDWebImage package.
* (c) Olivier Poitrey <rs@dailymotion.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
#import <Foundation/Foundation.h>
#import "SDWebImageCompat.h"
typedef NSData * _Nullable(^SDWebImageCacheSerializerBlock)(UIImage * _Nonnull image, NSData * _Nullable data, NSURL * _Nullable imageURL);
// This is the protocol for cache serializer. We can use a block to specify the cache serializer. But Using protocol can make this extensible, and allow Swift user to use it easily instead of using `@convention(block)` to store a block into context options.
@protocol SDWebImageCacheSerializer <NSObject>
- (nullable NSData *)cacheDataWithImage:(nonnull UIImage *)image originalData:(nullable NSData *)data imageURL:(nullable NSURL *)imageURL;
@end
@interface SDWebImageCacheSerializer : NSObject <SDWebImageCacheSerializer>
- (nonnull instancetype)initWithBlock:(nonnull SDWebImageCacheSerializerBlock)block;
+ (nonnull instancetype)cacheSerializerWithBlock:(nonnull SDWebImageCacheSerializerBlock)block;
@end