/*
|
* 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>
|
|
/// Provide the image data associated to the image and store to disk cache
|
/// @param image The loaded image
|
/// @param data The original loaded image data. May be nil when image is transformed (UIImage.sd_isTransformed = YES)
|
/// @param imageURL The image URL
|
- (nullable NSData *)cacheDataWithImage:(nonnull UIImage *)image originalData:(nullable NSData *)data imageURL:(nullable NSURL *)imageURL;
|
|
@end
|
|
/**
|
A cache serializer class with block.
|
*/
|
@interface SDWebImageCacheSerializer : NSObject <SDWebImageCacheSerializer>
|
|
- (nonnull instancetype)initWithBlock:(nonnull SDWebImageCacheSerializerBlock)block;
|
+ (nonnull instancetype)cacheSerializerWithBlock:(nonnull SDWebImageCacheSerializerBlock)block;
|
|
- (nonnull instancetype)init NS_UNAVAILABLE;
|
+ (nonnull instancetype)new NS_UNAVAILABLE;
|
|
@end
|
