//
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// Copyright © 2020 dahua. All rights reserved.
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//
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#import "UIImageView+LCPicDecrypt.h"
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#import <LCOpenSDKDynamic/LCOpenSDK/LCOpenSDK_Utils.h>
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#import <SDWebImage/SDImageCache.h>
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@implementation UIImageView (LCPicDecrypt)
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-(void)lc_setImageWithURL:(NSString *)url placeholderImage:(UIImage *)placeholder DeviceId:(NSString *)deviceId Key:(NSString *)key{
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[self setImage:placeholder];
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if (!url || [url isEqualToString:@""]) {
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return;
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}
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SDImageCache* cache = [SDImageCache sharedImageCache];
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NSString* key_temp = [[url componentsSeparatedByString:@"?"] objectAtIndex:0];
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dispatch_queue_t whole_pic_download = dispatch_queue_create("whole_pic_download", DISPATCH_QUEUE_PRIORITY_DEFAULT);
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dispatch_async(whole_pic_download, ^{
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if ([cache diskImageDataExistsWithKey:key_temp]) {
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dispatch_async(dispatch_get_main_queue(), ^{
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[self setImage:[cache imageFromDiskCacheForKey:key_temp]];
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});
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return;
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}
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NSURLRequest* request = [NSMutableURLRequest requestWithURL:[NSURL URLWithString:url] cachePolicy:NSURLRequestReloadIgnoringCacheData timeoutInterval:5.0];
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dispatch_async(dispatch_get_main_queue(), ^{
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NSHTTPURLResponse* response = nil;
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NSData* picData = [NSURLConnection sendSynchronousRequest:request returningResponse:&response error:NULL];
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if (response == nil) {
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NSLog(@"download failed");
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}
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else {
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NSData* dataOut = [[NSData alloc] init];
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NSInteger iret = [[LCOpenSDK_Utils new] decryptPic:picData deviceID:deviceId key:key bufOut:&dataOut];
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NSLog(@"decrypt iret[%ld]", (long)iret);
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if (0 == iret) {
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UIImage* img = [UIImage imageWithData:[NSData dataWithBytes:[dataOut bytes] length:[dataOut length]]];
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[cache storeImage:img forKey:key_temp toDisk:YES completion:^{
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}];
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[self setImage:img];
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}
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}
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});
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});
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}
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@end
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