37 lines
1.4 KiB
Objective-C
37 lines
1.4 KiB
Objective-C
/*
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* This file is part of the SDWebImage package.
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* (c) Olivier Poitrey <rs@dailymotion.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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#import <Foundation/Foundation.h>
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#import "SDWebImageCompat.h"
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typedef NSData * _Nullable(^SDWebImageCacheSerializerBlock)(UIImage * _Nonnull image, NSData * _Nullable data, NSURL * _Nullable imageURL);
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/**
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This is the protocol for cache serializer.
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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.
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*/
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@protocol SDWebImageCacheSerializer <NSObject>
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/// Provide the image data associated to the image and store to disk cache
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/// @param image The loaded image
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/// @param data The original loaded image data
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/// @param imageURL The image URL
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- (nullable NSData *)cacheDataWithImage:(nonnull UIImage *)image originalData:(nullable NSData *)data imageURL:(nullable NSURL *)imageURL;
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@end
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/**
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A cache serializer class with block.
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*/
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@interface SDWebImageCacheSerializer : NSObject <SDWebImageCacheSerializer>
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- (nonnull instancetype)initWithBlock:(nonnull SDWebImageCacheSerializerBlock)block;
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+ (nonnull instancetype)cacheSerializerWithBlock:(nonnull SDWebImageCacheSerializerBlock)block;
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@end
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