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45 lines
1.5 KiB
45 lines
1.5 KiB
2 years ago
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// KJLoadImageView.h
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// iSchool
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//
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// Created by 杨科军 on 2018/12/22.
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// Copyright © 2018 杨科军. All rights reserved.
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// 不依赖三方网络加载图片显示
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#import <UIKit/UIKit.h>
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#import "KJBannerTool.h"
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/// 下载完成回调
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typedef void (^KJDownLoadImageBlock)(UIImage *image);
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/// 网络请求回调
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typedef void (^KJDownLoadDataCallBack)(NSData *data, NSError *error);
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/// 下载进度回调
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typedef void (^KJDownloadProgressBlock)(unsigned long long total, unsigned long long current);
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@interface KJLoadImageView : UIImageView
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/// 下载完成回调
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@property (nonatomic,copy,readwrite)KJDownLoadImageBlock kj_completionBlock;
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/// 下载进度回调
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@property (nonatomic,copy,readwrite)KJDownloadProgressBlock kj_progressBlock;
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/// 指定URL下载图片失败时重试的次数，默认为2次
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@property (nonatomic,assign)NSUInteger kj_failedTimes;
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/// 是否裁剪为ImageView的尺寸，默认为NO
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@property (nonatomic,assign)BOOL kj_isScale;
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/// 使用这些方法下载图像异步
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- (void)kj_setImageWithURLString:(NSString*)url Placeholder:(UIImage*)placeholderImage;
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- (void)kj_setImageWithURLString:(NSString*)url Placeholder:(UIImage*)placeholderImage Completion:(void(^)(UIImage*image))completion;
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/// 取消请求
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- (void)kj_cancelRequest;
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/// 清理掉本地缓存
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+ (void)kj_clearImagesCache;
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/// 获取图片缓存的占用的总大小/bytes
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+ (unsigned long long)kj_imagesCacheSize;
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/// 裁剪后的图片
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+ (UIImage*)kj_clipImage:(UIImage*)image Size:(CGSize)size IsScaleToMax:(BOOL)isScaleToMax;
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@end
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